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[gnunet] branch master updated: -revert "-merge branch 'jacki/messenger'


From: gnunet
Subject: [gnunet] branch master updated: -revert "-merge branch 'jacki/messenger'"
Date: Thu, 12 Nov 2020 17:40:15 +0100

This is an automated email from the git hooks/post-receive script.

thejackimonster pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new e11d1e59e -revert "-merge branch 'jacki/messenger'"
e11d1e59e is described below

commit e11d1e59e4ae5f7d89c33df3ae9ca8f1ece990cf
Author: TheJackiMonster <thejackimonster@gmail.com>
AuthorDate: Thu Nov 12 17:32:32 2020 +0100

    -revert "-merge branch 'jacki/messenger'"
    
    This reverts commit fec34163a1f17729c190022a2bf747f48e34f07a, reversing
    changes made to 63fe195e40e55f13ab29e3ba578e97017fc4cc48.
---
 README.1st                                         |    1 -
 configure.ac                                       |    2 -
 pkgconfig/gnunetmessenger.pc.in                    |   12 -
 po/POTFILES.in                                     |   23 -
 src/Makefile.am                                    |    3 +-
 src/identity/identity_api.c                        |   22 +-
 src/include/Makefile.am                            |    1 -
 src/include/gnunet_messenger_service.h             |  436 --------
 src/include/gnunet_protocols.h                     |   43 +-
 src/messenger/.gitignore                           |    4 -
 src/messenger/Makefile.am                          |  131 ---
 src/messenger/gnunet-messenger.c                   |  306 ------
 src/messenger/gnunet-service-messenger.c           |  306 ------
 src/messenger/gnunet-service-messenger.h           |  121 ---
 src/messenger/gnunet-service-messenger_basement.c  |   58 --
 src/messenger/gnunet-service-messenger_basement.h  |   66 --
 src/messenger/gnunet-service-messenger_contact.c   |   96 --
 src/messenger/gnunet-service-messenger_contact.h   |  112 ---
 src/messenger/gnunet-service-messenger_handle.c    |  503 ----------
 src/messenger/gnunet-service-messenger_handle.h    |  216 ----
 .../gnunet-service-messenger_list_handles.c        |   95 --
 .../gnunet-service-messenger_list_handles.h        |   96 --
 .../gnunet-service-messenger_list_messages.c       |   76 --
 .../gnunet-service-messenger_list_messages.h       |   81 --
 .../gnunet-service-messenger_message_handle.c      |  130 ---
 .../gnunet-service-messenger_message_handle.h      |  128 ---
 .../gnunet-service-messenger_message_kind.c        |  192 ----
 .../gnunet-service-messenger_message_kind.h        |  160 ---
 .../gnunet-service-messenger_message_recv.c        |  204 ----
 .../gnunet-service-messenger_message_recv.h        |  159 ---
 .../gnunet-service-messenger_message_send.c        |  118 ---
 .../gnunet-service-messenger_message_send.h        |  155 ---
 .../gnunet-service-messenger_message_store.c       |  282 ------
 .../gnunet-service-messenger_message_store.h       |  120 ---
 src/messenger/gnunet-service-messenger_room.c      | 1051 --------------------
 src/messenger/gnunet-service-messenger_room.h      |  378 -------
 src/messenger/gnunet-service-messenger_service.c   |  516 ----------
 src/messenger/gnunet-service-messenger_service.h   |  259 -----
 src/messenger/gnunet-service-messenger_tunnel.c    |  300 ------
 src/messenger/gnunet-service-messenger_tunnel.h    |  155 ---
 src/messenger/gnunet-service-messenger_util.c      |   64 --
 src/messenger/gnunet-service-messenger_util.h      |   53 -
 src/messenger/messenger.conf.in                    |   13 -
 src/messenger/messenger_api.c                      |  568 -----------
 src/messenger/messenger_api_contact.c              |   78 --
 src/messenger/messenger_api_contact.h              |   93 --
 src/messenger/messenger_api_ego.h                  |   38 -
 src/messenger/messenger_api_handle.c               |  213 ----
 src/messenger/messenger_api_handle.h               |  174 ----
 src/messenger/messenger_api_list_tunnels.c         |  112 ---
 src/messenger/messenger_api_list_tunnels.h         |  112 ---
 src/messenger/messenger_api_message.c              |  602 -----------
 src/messenger/messenger_api_message.h              |  190 ----
 src/messenger/messenger_api_room.c                 |  189 ----
 src/messenger/messenger_api_room.h                 |   95 --
 src/messenger/test_messenger.c                     |  187 ----
 src/messenger/test_messenger_anonymous.c           |  179 ----
 src/messenger/test_messenger_comm0.c               |  252 -----
 58 files changed, 14 insertions(+), 10315 deletions(-)

diff --git a/README.1st b/README.1st
index c25992351..3d000a23f 100644
--- a/README.1st
+++ b/README.1st
@@ -253,5 +253,4 @@ We reserve judgement (due to lack of data) on:
 * credential
 * abe
 * rest
-* messenger
 
diff --git a/configure.ac b/configure.ac
index a9594a56c..581764b52 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1975,8 +1975,6 @@ src/zonemaster/zonemaster.conf
 src/rest/Makefile
 src/abe/Makefile
 src/reclaim/Makefile
-src/messenger/Makefile
-src/messenger/messenger.conf
 pkgconfig/Makefile
 pkgconfig/gnunetarm.pc
 pkgconfig/gnunetats.pc
diff --git a/pkgconfig/gnunetmessenger.pc.in b/pkgconfig/gnunetmessenger.pc.in
deleted file mode 100644
index 465663d0c..000000000
--- a/pkgconfig/gnunetmessenger.pc.in
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: GNUnet MESSENGER
-Description: Instant messaging based on the CADET subsystem
-URL: https://gnunet.org
-Version: @VERSION@
-Requires:
-Libs: -L${libdir} -lgnunetmessenger_common -lgnunetmessenger
-Cflags: -I${includedir}
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 00bdd7cbc..35bd71771 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -204,28 +204,6 @@ src/json/json.c
 src/json/json_generator.c
 src/json/json_helper.c
 src/json/json_mhd.c
-src/messenger/gnunet-messenger.c
-src/messenger/gnunet-service-messenger.c
-src/messenger/gnunet-service-messenger_basement.c
-src/messenger/gnunet-service-messenger_contact.c
-src/messenger/gnunet-service-messenger_handle.c
-src/messenger/gnunet-service-messenger_list_handles.c
-src/messenger/gnunet-service-messenger_list_messages.c
-src/messenger/gnunet-service-messenger_message_handle.c
-src/messenger/gnunet-service-messenger_message_kind.c
-src/messenger/gnunet-service-messenger_message_recv.c
-src/messenger/gnunet-service-messenger_message_send.c
-src/messenger/gnunet-service-messenger_message_store.c
-src/messenger/gnunet-service-messenger_room.c
-src/messenger/gnunet-service-messenger_service.c
-src/messenger/gnunet-service-messenger_tunnel.c
-src/messenger/gnunet-service-messenger_util.c
-src/messenger/messenger_api.c
-src/messenger/messenger_api_contact.c
-src/messenger/messenger_api_handle.c
-src/messenger/messenger_api_list_tunnels.c
-src/messenger/messenger_api_message.c
-src/messenger/messenger_api_room.c
 src/my/my.c
 src/my/my_query_helper.c
 src/my/my_result_helper.c
@@ -546,6 +524,5 @@ src/zonemaster/gnunet-service-zonemaster.c
 src/zonemaster/gnunet-service-zonemaster-monitor.c
 src/fs/fs_api.h
 src/include/gnunet_identity_service.h
-src/include/gnunet_messenger_service.h
 src/testbed/testbed_api.h
 src/testbed/testbed_api_operations.h
diff --git a/src/Makefile.am b/src/Makefile.am
index d8a869acb..f98cb96df 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,8 +11,7 @@ endif
 
 if HAVE_EXPERIMENTAL
  EXP_DIR = \
-  rps \
-  messenger
+  rps
   #abd FTBFS
 if HAVE_ABE
  EXP_DIR += \
diff --git a/src/identity/identity_api.c b/src/identity/identity_api.c
index 64c088923..d44e8da96 100644
--- a/src/identity/identity_api.c
+++ b/src/identity/identity_api.c
@@ -1138,11 +1138,11 @@ GNUNET_IDENTITY_signature_verify_ (uint32_t purpose,
 
 
 ssize_t
-GNUNET_IDENTITY_encrypt (const void *block,
-                         size_t size,
-                         const struct GNUNET_IDENTITY_PublicKey *pub,
-                         struct GNUNET_CRYPTO_EcdhePublicKey *ecc,
-                         void *result)
+GNUNET_IDENTITY_public_key_encrypt (const void *block,
+                                    size_t size,
+                                    const struct GNUNET_IDENTITY_PublicKey 
*pub,
+                                    struct GNUNET_CRYPTO_EcdhePublicKey *ecc,
+                                    void *result)
 {
   struct GNUNET_CRYPTO_EcdhePrivateKey pk;
   GNUNET_CRYPTO_ecdhe_key_create (&pk);
@@ -1177,11 +1177,13 @@ GNUNET_IDENTITY_encrypt (const void *block,
 
 
 ssize_t
-GNUNET_IDENTITY_decrypt (const void *block,
-                         size_t size,
-                         const struct GNUNET_IDENTITY_PrivateKey *priv,
-                         const struct GNUNET_CRYPTO_EcdhePublicKey *ecc,
-                         void *result)
+GNUNET_IDENTITY_private_key_decrypt (const void *block,
+                                     size_t size,
+                                     const struct
+                                     GNUNET_IDENTITY_PrivateKey *priv,
+                                     const struct
+                                     GNUNET_CRYPTO_EcdhePublicKey *ecc,
+                                     void *result)
 {
   struct GNUNET_HashCode hash;
   switch (ntohl (priv->type))
diff --git a/src/include/Makefile.am b/src/include/Makefile.am
index fc3d745a6..202abb7ac 100644
--- a/src/include/Makefile.am
+++ b/src/include/Makefile.am
@@ -62,7 +62,6 @@ gnunetinclude_HEADERS = \
   gnunet_json_lib.h \
   gnunet_load_lib.h \
   gnunet_cadet_service.h \
-  gnunet_messenger_service.h \
   gnunet_mhd_compat.h \
   gnunet_microphone_lib.h \
   gnunet_mst_lib.h \
diff --git a/src/include/gnunet_messenger_service.h 
b/src/include/gnunet_messenger_service.h
deleted file mode 100644
index 8f5315c30..000000000
--- a/src/include/gnunet_messenger_service.h
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- *
- * @file
- * MESSENGER service; manages decentralized chat groups
- *
- * @defgroup messenger  MESSENGER service
- * Instant messaging based on the CADET subsystem
- *
- * @{
- */
-
-#ifndef GNUNET_MESSENGER_SERVICE_H
-#define GNUNET_MESSENGER_SERVICE_H
-
-#ifdef __cplusplus
-extern "C" {
-#if 0 /* keep Emacsens' auto-indent happy */
-}
-#endif
-#endif
-
-#include "platform.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_mq_lib.h"
-#include "gnunet_protocols.h"
-#include "gnunet_scheduler_lib.h"
-#include "gnunet_time_lib.h"
-
-#define GNUNET_MESSENGER_SERVICE_NAME "messenger"
-
-/**
- * Opaque handle to the messenger
- */
-struct GNUNET_MESSENGER_Handle;
-
-/**
- * Opaque handle to a room
- */
-struct GNUNET_MESSENGER_Room;
-
-/**
- * Opaque handle to a contact
- */
-struct GNUNET_MESSENGER_Contact;
-
-/**
- * Enum for the different supported kinds of messages
- */
-enum GNUNET_MESSENGER_MessageKind
-{
-  GNUNET_MESSENGER_KIND_INFO = 1,
-
-  GNUNET_MESSENGER_KIND_JOIN = 2,
-  GNUNET_MESSENGER_KIND_LEAVE = 3,
-
-  GNUNET_MESSENGER_KIND_NAME = 4,
-  GNUNET_MESSENGER_KIND_KEY = 5,
-  GNUNET_MESSENGER_KIND_PEER = 6,
-  GNUNET_MESSENGER_KIND_ID = 7,
-
-  GNUNET_MESSENGER_KIND_MISS = 8,
-  GNUNET_MESSENGER_KIND_MERGE = 9,
-  GNUNET_MESSENGER_KIND_REQUEST = 10,
-
-  GNUNET_MESSENGER_KIND_INVITE = 11,
-  GNUNET_MESSENGER_KIND_TEXT = 12,
-  GNUNET_MESSENGER_KIND_FILE = 13,
-
-  GNUNET_MESSENGER_KIND_PRIVATE = 14,
-
-  GNUNET_MESSENGER_KIND_UNKNOWN = 0
-}__attribute__((__packed__));
-
-/**
- * Get the name of a message <i>kind</i>.
- *
- * @param kind Kind of a message
- * @return Name of that kind
- */
-const char*
-GNUNET_MESSENGER_name_of_kind (enum GNUNET_MESSENGER_MessageKind kind);
-
-struct GNUNET_MESSENGER_MessageHeader
-{
-  struct GNUNET_IDENTITY_Signature signature;
-
-  struct GNUNET_TIME_AbsoluteNBO timestamp;
-
-  struct GNUNET_ShortHashCode sender_id;
-  struct GNUNET_HashCode previous;
-
-  enum GNUNET_MESSENGER_MessageKind kind;
-};
-
-struct GNUNET_MESSENGER_MessageInfo
-{
-  struct GNUNET_IDENTITY_PublicKey host_key;
-  struct GNUNET_ShortHashCode unique_id;
-};
-
-struct GNUNET_MESSENGER_MessageJoin
-{
-  struct GNUNET_IDENTITY_PublicKey key;
-};
-
-struct GNUNET_MESSENGER_MessageLeave
-{
-};
-
-struct GNUNET_MESSENGER_MessageName
-{
-  char *name;
-};
-
-struct GNUNET_MESSENGER_MessageKey
-{
-  struct GNUNET_IDENTITY_PublicKey key;
-};
-
-struct GNUNET_MESSENGER_MessagePeer
-{
-  struct GNUNET_PeerIdentity peer;
-};
-
-struct GNUNET_MESSENGER_MessageId
-{
-  struct GNUNET_ShortHashCode id;
-};
-
-struct GNUNET_MESSENGER_MessageMiss
-{
-  struct GNUNET_PeerIdentity peer;
-};
-
-struct GNUNET_MESSENGER_MessageMerge
-{
-  struct GNUNET_HashCode previous;
-};
-
-struct GNUNET_MESSENGER_MessageRequest
-{
-  struct GNUNET_HashCode hash;
-};
-
-struct GNUNET_MESSENGER_MessageInvite
-{
-  struct GNUNET_PeerIdentity door;
-  struct GNUNET_HashCode key;
-};
-
-struct GNUNET_MESSENGER_MessageText
-{
-  char *text;
-};
-
-struct GNUNET_MESSENGER_MessageFile
-{
-  struct GNUNET_CRYPTO_SymmetricSessionKey key;
-  struct GNUNET_HashCode hash;
-  char name[NAME_MAX];
-  char *uri;
-};
-
-struct GNUNET_MESSENGER_MessagePrivate
-{
-  struct GNUNET_CRYPTO_EcdhePublicKey key;
-
-  uint16_t length;
-  char *data;
-};
-
-struct GNUNET_MESSENGER_MessageBody
-{
-  union
-  {
-    struct GNUNET_MESSENGER_MessageInfo info;
-
-    struct GNUNET_MESSENGER_MessageJoin join;
-    struct GNUNET_MESSENGER_MessageLeave leave;
-
-    struct GNUNET_MESSENGER_MessageName name;
-    struct GNUNET_MESSENGER_MessageKey key;
-    struct GNUNET_MESSENGER_MessagePeer peer;
-    struct GNUNET_MESSENGER_MessageId id;
-
-    struct GNUNET_MESSENGER_MessageMiss miss;
-    struct GNUNET_MESSENGER_MessageMerge merge;
-    struct GNUNET_MESSENGER_MessageRequest request;
-
-    struct GNUNET_MESSENGER_MessageInvite invite;
-    struct GNUNET_MESSENGER_MessageText text;
-    struct GNUNET_MESSENGER_MessageFile file;
-
-    struct GNUNET_MESSENGER_MessagePrivate private;
-  };
-};
-
-/**
- * Struct to a message
- */
-struct GNUNET_MESSENGER_Message
-{
-  struct GNUNET_MESSENGER_MessageHeader header;
-  struct GNUNET_MESSENGER_MessageBody body;
-};
-
-/**
- * Method called whenever the EGO of a <i>handle</i> changes or if the first 
connection fails
- * to load a valid EGO and the anonymous keypair will be used instead.
- *
- * @param cls Closure from <i>GNUNET_MESSENGER_connect</i>
- * @param handle Messenger handle
- */
-typedef void
-(*GNUNET_MESSENGER_IdentityCallback) (void *cls, struct 
GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Method called whenever a message is sent or received from a <i>room</i>.
- *
- * @param cls Closure from <i>GNUNET_MESSENGER_connect</i>
- * @param room Room handle
- * @param message Newly received or sent message
- * @param hash Hash identifying the message
- */
-typedef void
-(*GNUNET_MESSENGER_MessageCallback) (void *cls, const struct 
GNUNET_MESSENGER_Room *room,
-                                     const struct GNUNET_MESSENGER_Message 
*message, const struct GNUNET_HashCode *hash);
-
-/**
- * Set up a handle for the messenger related functions and connects to all 
necessary services. It will look up the ego
- * key identified by its <i>name</i> and use it for signing all messages from 
the handle.
- *
- * @param cfg Configuration to use
- * @param name Name to look up an ego or NULL to stay anonymous
- * @param identity_callback Function called when the EGO of the handle changes
- * @param identity_cls Closure for the <i>identity_callback</i> handler
- * @param msg_callback Function called when a new message is sent or received
- * @param msg_cls Closure for the <i>msg_callback</i> handler
- * @return Messenger handle to use, NULL on error
- */
-struct GNUNET_MESSENGER_Handle*
-GNUNET_MESSENGER_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, const 
char *name,
-                          GNUNET_MESSENGER_IdentityCallback identity_callback, 
void *identity_cls,
-                          GNUNET_MESSENGER_MessageCallback msg_callback, void 
*msg_cls);
-
-/**
- * Update a handle of the messenger to use a different ego key and replace the 
old one with a newly generated one. All
- * participated rooms get informed about the key renewal. The handle requires 
a set name for this function to work and
- * it needs to be unused by other egos.
- *
- * Keep in mind that this will fully delete the old ego key (if any is used) 
even if any other service wants to use it
- * as default.
- *
- * @param handle Messenger handle to use
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
- */
-int
-GNUNET_MESSENGER_update (struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Disconnect all of the messengers used services and clears up its used 
memory.
- *
- * @param handle Messenger handle to use
- */
-void
-GNUNET_MESSENGER_disconnect (struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Get the name (if specified, otherwise NULL) used by the messenger.
- *
- * @param handle Messenger handle to use
- * @return Name used by the messenger or NULL
- */
-const char*
-GNUNET_MESSENGER_get_name (const struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Set the name for the messenger. This will rename the currently used ego and 
move all stored files related to the current
- * name to its new directory. If anything fails during this process the 
function returns GNUNET_NO and the name for
- * the messenger won't change as specified.
- *
- * @param handle Messenger handle to use
- * @param name Name for the messenger to change to
- * @return GNUNET_YES on success, GNUNET_NO on failure and GNUNET_SYSERR if 
<i>handle</i> is NULL
- */
-int
-GNUNET_MESSENGER_set_name (struct GNUNET_MESSENGER_Handle *handle, const char 
*name);
-
-/**
- * Get the public key used by the messenger.
- *
- * @param handle Messenger handle to use
- * @return Used ego's public key
- */
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_get_key (const struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Open a room to send and receive messages. The room will use the specified 
<i>key</i> as port for the underlying cadet
- * service. Opening a room results in opening the port for incoming 
connections as possible <b>door</b>.
- *
- * Notice that there can only be one room related to a specific <i>key</i>. So 
trying to open two rooms with the same
- * <i>key</i> will result in opening the room once but returning the handle 
both times because the room stays open.
- *
- * You can also open a room after entering it through a <b>door</b> using 
<i>GNUNET_MESSENGER_entry_room(...)</i>. This
- * will notify all entered <b>doors</b> to list you as new <b>door</b>.
- *
- * ( All <b>doors</b> form a ring structured network to shorten the latency 
sending and receiving messages. )
- *
- * @param handle Messenger handle to use
- * @param key Hash identifying the port
- * @return Room handle, NULL on error
- */
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_open_room (struct GNUNET_MESSENGER_Handle *handle, const 
struct GNUNET_HashCode *key);
-
-/**
- * Enter a room to send and receive messages through a <b>door</b> opened 
using <i>GNUNET_MESSENGER_open_room(...)</i>.
- *
- * Notice that there can only be one room related to a specific <i>key</i>. So 
trying to enter two rooms with the same
- * <i>key</i> will result in entering the room once but returning the handle 
both times because the room stays entered.
- * You can however enter a room through multiple <b>doors</b> in parallel 
which results in connecting both ends. But
- * entering the room through the same <b>door</b> won't have any effect after 
the first time.
- *
- * You can also enter a room through a <b>door</b> after opening it using 
<i>GNUNET_MESSENGER_open_room(...)</i>. But the
- * <b>door</b> may not be your own peer identity.
- *
- * ( All <b>doors</b> form a ring structured network to shorten the latency 
sending and receiving messages. )
- *
- * @param handle Messenger handle to use
- * @param door Peer identity of an open <b>door</b>
- * @param key Hash identifying the port
- * @return Room handle, NULL on error
- */
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_entry_room (struct GNUNET_MESSENGER_Handle *handle, const 
struct GNUNET_PeerIdentity *door,
-                             const struct GNUNET_HashCode *key);
-
-/**
- * Close a room which was entered, opened or both in various order and 
variety. Closing a room will destroy all connections
- * from your peer to another and the other way around.
- *
- * ( After a member closes a <b>door</b>, all members entered through that 
specific <b>door</b> have to use another one
- * or open the room on their own. )
- *
- * @param room Room handle
- */
-void
-GNUNET_MESSENGER_close_room (struct GNUNET_MESSENGER_Room *room);
-
-/**
- * Get the contact of a member in a <i>room</i> identified by their <i>id</i>.
- *
- * Notice that contacts are independent of rooms but will be removed if all 
rooms containing these contacts get closed.
- *
- * @param room Room handle
- * @param id Hash identifying a member
- * @return Contact handle, NULL if <i>id</i> is not in use
- */
-struct GNUNET_MESSENGER_Contact*
-GNUNET_MESSENGER_get_member (const struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_ShortHashCode *id);
-
-/**
- * Get the name used by the <i>contact</i>.
- *
- * @param contact Contact handle
- * @return Name of <i>contact</i> or NULL
- */
-const char*
-GNUNET_MESSENGER_contact_get_name (const struct GNUNET_MESSENGER_Contact 
*contact);
-
-/**
- * Get the public key used by the <i>contact</i>.
- *
- * @param contact Contact handle
- * @return Public key of the ego used by <i>contact</i>
- */
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_contact_get_key (const struct GNUNET_MESSENGER_Contact 
*contact);
-
-/**
- * Send a <i>message</i> into a </i>room</i>. If you opened the <i>room</i> 
all entered members will receive the
- * <i>message</i>. If you entered the <i>room</i> through a <b>door</b> all so 
entered <b>doors</b> will receive the
- * <i>message</i> as well. All members receiving the <i>message</i> will also 
propagate this <i>message</i> recursively
- * as long as the <i>message</i> is unknown to them.
- *
- * Notice that all messages sent and received are also stored and can be 
propagated to new members entering the room.
- *
- * @param room Room handle
- * @param message New message to send
- */
-void
-GNUNET_MESSENGER_send_message (struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_MESSENGER_Message *message);
-
-/**
- * Get the message in a <i>room</i> identified by its <i>hash</i>.
- *
- * @param room Room handle
- * @param hash Hash identifying a message
- * @return Message struct or NULL if no message with that hash is known
- */
-const struct GNUNET_MESSENGER_Message*
-GNUNET_MESSENGER_get_message (const struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_HashCode *hash);
-
-#if 0 /* keep Emacsens' auto-indent happy */
-{
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-#endif //GNUNET_MESSENGER_SERVICE_H
-
-/** @} *//* end of group */
diff --git a/src/include/gnunet_protocols.h b/src/include/gnunet_protocols.h
index 3bdebeb50..d9821ffe8 100644
--- a/src/include/gnunet_protocols.h
+++ b/src/include/gnunet_protocols.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2001--2020 GNUnet e.V.
+     Copyright (C) 2001--2018 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
@@ -20,7 +20,6 @@
 
 /**
  * @author Christian Grothoff
- * @author Tobias Frisch
  *
  * @file
  * Constants for network protocols
@@ -3519,46 +3518,6 @@ extern "C" {
 #define GNUNET_MESSAGE_TYPE_RECLAIM_REFERENCE_RESULT 1501
 
 
-/*********************************************************************************/
-/**********************************  MESSENGER  
**********************************/
-/*********************************************************************************/
-/* MESSENGER: message types 1600-1629
- * 1600-1609 Connection-level Messages
- * 1610-1619 Room-level Messages
- */
-
-/*********************************  Connection  
**********************************/
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_CREATE 1600
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_UPDATE 1601
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_DESTROY 1602
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_NAME 1603
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_SET_NAME 1604
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_KEY 1605
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_MEMBER_ID 1606
-
-/************************************  Room  
*************************************/
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN 1610
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY 1611
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE 1612
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_SEND_MESSAGE 1614
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_RECV_MESSAGE 1615
-
-#define GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_GET_MESSAGE 1616
-
-/*********************************************************************************/
-
 /**
  * Type used to match 'all' message types.
  */
diff --git a/src/messenger/.gitignore b/src/messenger/.gitignore
deleted file mode 100644
index 9de3fb304..000000000
--- a/src/messenger/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-gnunet-service-messenger
-gnunet-messenger
-test_messenger_api
-test_messenger_anonymous
diff --git a/src/messenger/Makefile.am b/src/messenger/Makefile.am
deleted file mode 100644
index ebe08290e..000000000
--- a/src/messenger/Makefile.am
+++ /dev/null
@@ -1,131 +0,0 @@
-# This Makefile.am is in the public domain
-AM_CPPFLAGS = -I$(top_srcdir)/src/include
-
-if USE_COVERAGE
-  AM_CFLAGS = --coverage -O0
-  XLIB = -lgcov
-endif
-
-pkgcfgdir= $(pkgdatadir)/config.d/
-
-libexecdir= $(pkglibdir)/libexec/
-
-pkgcfg_DATA = \
-  messenger.conf
-
-plugindir = $(libdir)/gnunet
-
-AM_CLFAGS = -g
-
-libexec_PROGRAMS = \
- gnunet-service-messenger \
- $(EXP_LIBEXEC)
-
-bin_PROGRAMS = \
- gnunet-messenger
-
-lib_LTLIBRARIES = \
-  libgnunetmessenger_common.la \
-  libgnunetmessenger.la \
-  $(EXP_LIB)
-
-libgnunetmessenger_common_la_SOURCES = \
-  messenger_api_ego.h \
-  messenger_api_message.c messenger_api_message.h \
-  messenger_api_list_tunnels.c messenger_api_list_tunnels.h
-libgnunetmessenger_common_la_LIBADD = \
-  $(top_builddir)/src/util/libgnunetutil.la \
-  $(top_builddir)/src/identity/libgnunetidentity.la \
-  $(XLIB) \
-  $(LTLIBINTL)
-libgnunetmessenger_common_la_LDFLAGS = \
-  $(GN_LIB_LDFLAGS)  \
-  -version-info 0:0:0
-
-libgnunetmessenger_la_SOURCES = \
-  messenger_api.c \
-  messenger_api_contact.c messenger_api_contact.h \
-  messenger_api_handle.c messenger_api_handle.h \
-  messenger_api_room.c messenger_api_room.h
-libgnunetmessenger_la_LIBADD = \
-  $(top_builddir)/src/util/libgnunetutil.la \
-  $(top_builddir)/src/identity/libgnunetidentity.la \
-  libgnunetmessenger_common.la \
-  $(XLIB) \
-  $(LTLIBINTL)
-libgnunetmessenger_la_LDFLAGS = \
-  $(GN_LIB_LDFLAGS)  \
-  -version-info 0:0:0
-
-gnunet_messenger_SOURCES = \
- gnunet-messenger.c
-gnunet_messenger_LDADD = \
- libgnunetmessenger_common.la \
- libgnunetmessenger.la \
- $(top_builddir)/src/util/libgnunetutil.la
-gnunet_messenger_LDFLAGS = \
-  $(GN_LIBINTL)
-
-gnunet_service_messenger_SOURCES = \
-  gnunet-service-messenger.c gnunet-service-messenger.h \
-  gnunet-service-messenger_service.c gnunet-service-messenger_service.h \
-  gnunet-service-messenger_list_handles.c 
gnunet-service-messenger_list_handles.h \
-  gnunet-service-messenger_list_messages.c 
gnunet-service-messenger_list_messages.h \
-  gnunet-service-messenger_message_handle.c 
gnunet-service-messenger_message_handle.h \
-  gnunet-service-messenger_message_kind.c 
gnunet-service-messenger_message_kind.h \
-  gnunet-service-messenger_message_recv.c 
gnunet-service-messenger_message_recv.h \
-  gnunet-service-messenger_message_send.c 
gnunet-service-messenger_message_send.h \
-  gnunet-service-messenger_message_store.c 
gnunet-service-messenger_message_store.h \
-  gnunet-service-messenger_basement.c gnunet-service-messenger_basement.h \
-  gnunet-service-messenger_contact.c gnunet-service-messenger_contact.h \
-  gnunet-service-messenger_handle.c gnunet-service-messenger_handle.h \
-  gnunet-service-messenger_room.c gnunet-service-messenger_room.h \
-  gnunet-service-messenger_tunnel.c gnunet-service-messenger_tunnel.h \
-  gnunet-service-messenger_util.c gnunet-service-messenger_util.h
-gnunet_service_messenger_LDADD = \
-  $(top_builddir)/src/util/libgnunetutil.la \
-  $(top_builddir)/src/cadet/libgnunetcadet.la \
-  $(top_builddir)/src/identity/libgnunetidentity.la \
-  libgnunetmessenger_common.la \
-  libgnunetmessenger.la \
-  $(GN_LIBINTL)
-
-check_PROGRAMS = \
-  test_messenger_api \
-  test_messenger_anonymous \
-  test_messenger_comm0
-
-if ENABLE_TEST_RUN
-AM_TESTS_ENVIRONMENT=export GNUNET_PREFIX=$${GNUNET_PREFIX:-@libdir@};export 
PATH=$${GNUNET_PREFIX:-@prefix@}/bin:$$PATH;unset XDG_DATA_HOME;unset 
XDG_CONFIG_HOME;
-TESTS = \
- $(check_PROGRAMS)
-endif
-
-test_messenger_api_SOURCES = \
-  test_messenger.c
-test_messenger_api_LDADD = \
-  libgnunetmessenger_common.la \
-  libgnunetmessenger.la \
-  $(top_builddir)/src/testing/libgnunettesting.la \
-  $(top_builddir)/src/util/libgnunetutil.la
-
-test_messenger_anonymous_SOURCES = \
-  test_messenger_anonymous.c
-test_messenger_anonymous_LDADD = \
-  libgnunetmessenger_common.la \
-  libgnunetmessenger.la \
-  $(top_builddir)/src/testing/libgnunettesting.la \
-  $(top_builddir)/src/util/libgnunetutil.la
-
-test_messenger_comm0_SOURCES = \
-  test_messenger_comm0.c
-test_messenger_comm0_LDADD = \
-  libgnunetmessenger_common.la \
-  libgnunetmessenger.la \
-  $(top_builddir)/src/testbed/libgnunettestbed.la \
-  $(top_builddir)/src/testbed-logger/libgnunettestbedlogger.la \
-  $(top_builddir)/src/testing/libgnunettesting.la \
-  $(top_builddir)/src/util/libgnunetutil.la
-
-EXTRA_DIST = \
-  test_messenger_api.conf
diff --git a/src/messenger/gnunet-messenger.c b/src/messenger/gnunet-messenger.c
deleted file mode 100644
index 579e5c3ad..000000000
--- a/src/messenger/gnunet-messenger.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-messenger.c
- * @brief Print information about messenger groups.
- */
-
-#include <stdio.h>
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_messenger_service.h"
-
-struct GNUNET_MESSENGER_Handle *messenger;
-
-/**
- * Function called whenever a message is received or sent.
- *
- * @param cls Closure
- * @param room Room
- * @param message Message
- * @param hash Hash of message
- */
-void
-on_message (void *cls, const struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-            const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Contact *sender = GNUNET_MESSENGER_get_member (room, 
&(message->header.sender_id));
-
-  const char *sender_name = GNUNET_MESSENGER_contact_get_name (sender);
-
-  if (!sender_name)
-    sender_name = "anonymous";
-
-  switch (message->header.kind)
-  {
-  case GNUNET_MESSENGER_KIND_JOIN:
-    {
-      printf ("* '%s' joined the room! [ %u %u %u %u ]\n", sender_name, 
message->body.join.key.ecdsa_key.q_y[0],
-              message->body.join.key.ecdsa_key.q_y[1], 
message->body.join.key.ecdsa_key.q_y[2],
-              message->body.join.key.ecdsa_key.q_y[3]);
-      break;
-    }
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    {
-      printf ("* '%s' leaves the room!\n", sender_name);
-      break;
-    }
-  case GNUNET_MESSENGER_KIND_PEER:
-    {
-      printf ("* '%s' opened the room on: %s\n", sender_name, GNUNET_i2s_full 
(&(message->body.peer.peer)));
-      break;
-    }
-  case GNUNET_MESSENGER_KIND_TEXT:
-    {
-      printf ("* '%s' says: \"%s\"\n", sender_name, message->body.text.text);
-      break;
-    }
-  default:
-    {
-      break;
-    }
-  }
-}
-
-struct GNUNET_SCHEDULER_Task *read_task;
-
-/**
- * Task to shut down this application.
- *
- * @param cls Closure
- */
-static void
-shutdown_hook (void *cls)
-{
-  struct GNUNET_MESSENGER_Room *room = cls;
-
-  if (read_task)
-    GNUNET_SCHEDULER_cancel (read_task);
-
-  if (room)
-    GNUNET_MESSENGER_close_room (room);
-
-  if (messenger)
-    GNUNET_MESSENGER_disconnect (messenger);
-}
-
-static void
-listen_stdio (void *cls);
-
-#define MAX_BUFFER_SIZE 60000
-
-/**
- * Task run in stdio mode, after some data is available at stdin.
- *
- * @param cls Closure
- */
-static void
-read_stdio (void *cls)
-{
-  read_task = NULL;
-
-  char buffer[MAX_BUFFER_SIZE];
-  ssize_t length;
-
-  length = read (0, buffer, MAX_BUFFER_SIZE);
-
-  if ((length <= 0) || (length >= MAX_BUFFER_SIZE))
-  {
-    GNUNET_SCHEDULER_shutdown ();
-    return;
-  }
-
-  if (buffer[length - 1] == '\n')
-    buffer[length - 1] = '\0';
-  else
-    buffer[length] = '\0';
-
-  struct GNUNET_MESSENGER_Room *room = cls;
-
-  struct GNUNET_MESSENGER_Message message;
-  message.header.kind = GNUNET_MESSENGER_KIND_TEXT;
-  message.body.text.text = buffer;
-
-  GNUNET_MESSENGER_send_message (room, &message);
-
-  read_task = GNUNET_SCHEDULER_add_now (listen_stdio, cls);
-}
-
-/**
- * Wait for input on STDIO and send it out over the #ch.
- *
- * @param cls Closure
- */
-static void
-listen_stdio (void *cls)
-{
-  read_task = NULL;
-
-  struct GNUNET_NETWORK_FDSet *rs = GNUNET_NETWORK_fdset_create ();
-
-  GNUNET_NETWORK_fdset_set_native (rs, 0);
-
-  read_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
-  GNUNET_TIME_UNIT_FOREVER_REL,
-                                           rs,
-                                           NULL,
-                                           &read_stdio, cls);
-
-  GNUNET_NETWORK_fdset_destroy (rs);
-}
-
-/**
- * Initial task to startup application.
- *
- * @param cls Closure
- */
-static void
-idle (void *cls)
-{
-  struct GNUNET_MESSENGER_Room *room = cls;
-
-  printf ("* You joined the room.\n");
-
-  read_task = GNUNET_SCHEDULER_add_now (listen_stdio, room);
-}
-
-char *door_id;
-char *ego_name;
-char *room_key;
-
-struct GNUNET_SCHEDULER_Task *shutdown_task;
-
-/**
- * Function called when an identity is retrieved.
- *
- * @param cls Closure
- * @param handle Handle of messenger service
- */
-static void
-on_identity (void *cls, struct GNUNET_MESSENGER_Handle *handle)
-{
-  struct GNUNET_HashCode key;
-  memset (&key, 0, sizeof(key));
-
-  if (room_key)
-    GNUNET_CRYPTO_hash (room_key, strlen (room_key), &key);
-
-  struct GNUNET_PeerIdentity *door = NULL;
-
-  if (door_id)
-  {
-    door = GNUNET_new(struct GNUNET_PeerIdentity);
-
-    if (GNUNET_OK != GNUNET_CRYPTO_eddsa_public_key_from_string (door_id, 
strlen (door_id), &(door->public_key)))
-    {
-      GNUNET_free(door);
-      door = NULL;
-    }
-  }
-
-  const char *name = GNUNET_MESSENGER_get_name (handle);
-
-  if (!name)
-    name = "anonymous";
-
-  printf ("* Welcome to the messenger, '%s'!\n", name);
-
-  struct GNUNET_MESSENGER_Room *room;
-
-  if (door)
-  {
-    printf ("* You try to entry a room...\n");
-
-    room = GNUNET_MESSENGER_entry_room (messenger, door, &key);
-  }
-  else
-  {
-    printf ("* You try to open a room...\n");
-
-    room = GNUNET_MESSENGER_open_room (messenger, &key);
-  }
-
-  GNUNET_SCHEDULER_cancel (shutdown_task);
-
-  shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_hook, room);
-
-  if (!room)
-    GNUNET_SCHEDULER_shutdown ();
-  else
-    GNUNET_SCHEDULER_add_delayed_with_priority (GNUNET_TIME_relative_get_zero_ 
(), GNUNET_SCHEDULER_PRIORITY_IDLE, idle,
-                                                room);
-}
-
-/**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be 
NULL!)
- * @param cfg configuration
- */
-static void
-run (void *cls, char *const*args, const char *cfgfile, const struct 
GNUNET_CONFIGURATION_Handle *cfg)
-{
-  messenger = GNUNET_MESSENGER_connect (cfg, ego_name, &on_identity, NULL, 
&on_message, NULL);
-
-  shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_hook, NULL);
-}
-
-/**
- * The main function to obtain messenger information.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
-int
-main (int argc, char **argv)
-{
-  const char *description = "Open and connect to rooms using the MESSENGER to 
chat.";
-
-  struct GNUNET_GETOPT_CommandLineOption options[] = {
-    GNUNET_GETOPT_option_string ('d',
-                                 "door",
-                                 "PEERIDENTITY",
-                                 "peer identity to entry into the room",
-                                 &door_id),
-    GNUNET_GETOPT_option_string ('e',
-                                 "ego",
-                                 "IDENTITY",
-                                 "identity to use for messaging",
-                                 &ego_name),
-    GNUNET_GETOPT_option_string ('r',
-                                 "room",
-                                 "ROOMKEY",
-                                 "key of the room to connect to",
-                                 &room_key),
-    GNUNET_GETOPT_OPTION_END };
-
-  return (GNUNET_OK == GNUNET_PROGRAM_run (argc,
-                                           argv,
-                                           "gnunet-messenger\0",
-                                           gettext_noop(description),
-                                           options,
-                                           &run,
-                                           NULL) ? EXIT_SUCCESS : 
EXIT_FAILURE);
-}
diff --git a/src/messenger/gnunet-service-messenger.c 
b/src/messenger/gnunet-service-messenger.c
deleted file mode 100644
index 2c92305c4..000000000
--- a/src/messenger/gnunet-service-messenger.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger.h"
-
-#include "gnunet-service-messenger_service.h"
-#include "messenger_api_message.h"
-
-struct GNUNET_MESSENGER_Client
-{
-  struct GNUNET_SERVICE_Client *client;
-  struct GNUNET_MESSENGER_SrvHandle *handle;
-};
-
-struct GNUNET_MESSENGER_Service *messenger;
-
-static int
-check_create (void *cls, const struct GNUNET_MESSENGER_CreateMessage *msg)
-{
-  GNUNET_MQ_check_zero_termination(msg);
-  return GNUNET_OK;
-}
-
-static void
-handle_create (void *cls, const struct GNUNET_MESSENGER_CreateMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  const char *name = ((const char*) msg) + sizeof(*msg);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Handle created with name: %s\n", name);
-
-  setup_handle_name (msg_client->handle, strlen (name) > 0? name : NULL);
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_update (void *cls, const struct GNUNET_MESSENGER_UpdateMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  if (GNUNET_OK != update_handle (msg_client->handle))
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Name is required to update key!\n");
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_destroy (void *cls, const struct GNUNET_MESSENGER_DestroyMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  GNUNET_SERVICE_client_drop (msg_client->client);
-}
-
-static int
-check_set_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
-  GNUNET_MQ_check_zero_termination(msg);
-  return GNUNET_OK;
-}
-
-static void
-handle_set_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  const char *name = ((const char*) msg) + sizeof(*msg);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Handles name is now: %s\n", name);
-
-  if (GNUNET_YES != set_handle_name (msg_client->handle, name))
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "No valid name: %s\n", name);
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_room_open (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Opening room: %s\n",
-             GNUNET_h2s (&(msg->key)));
-
-  if (GNUNET_YES == open_handle_room (msg_client->handle, &(msg->key)))
-  {
-    const struct GNUNET_ShortHashCode* member_id = 
get_handle_member_id(msg_client->handle, &(msg->key));
-
-    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Opening room with member id: %s\n",
-               GNUNET_sh2s (member_id));
-
-    struct GNUNET_MESSENGER_RoomMessage *response;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg(response, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN);
-    GNUNET_memcpy(&(response->key), &(msg->key), sizeof(msg->key));
-    GNUNET_MQ_send (msg_client->handle->mq, env);
-  }
-  else
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Opening room failed: %s\n",
-               GNUNET_h2s (&(msg->key)));
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_room_entry (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Entering room: %s, %s\n",
-             GNUNET_h2s (&(msg->key)), GNUNET_i2s (&(msg->door)));
-
-  if (GNUNET_YES == entry_handle_room (msg_client->handle, &(msg->door), 
&(msg->key)))
-  {
-    const struct GNUNET_ShortHashCode* member_id = 
get_handle_member_id(msg_client->handle, &(msg->key));
-
-    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Entering room with member id: %s\n",
-               GNUNET_sh2s (member_id));
-
-    struct GNUNET_MESSENGER_RoomMessage *response;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg(response, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY);
-    GNUNET_memcpy(&(response->door), &(msg->door), sizeof(msg->door));
-    GNUNET_memcpy(&(response->key), &(msg->key), sizeof(msg->key));
-    GNUNET_MQ_send (msg_client->handle->mq, env);
-  }
-  else
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Entrance into room failed: %s, %s\n",
-               GNUNET_h2s (&(msg->key)), GNUNET_i2s (&(msg->door)));
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_room_close (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Closing room: %s\n", GNUNET_h2s 
(&(msg->key)));
-
-  if (GNUNET_YES == close_handle_room (msg_client->handle, &(msg->key)))
-  {
-    const struct GNUNET_ShortHashCode* member_id = 
get_handle_member_id(msg_client->handle, &(msg->key));
-
-    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Closing room with member id: %s\n",
-               GNUNET_sh2s (member_id));
-
-    struct GNUNET_MESSENGER_RoomMessage *response;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg(response, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE);
-    GNUNET_memcpy(&(response->key), &(msg->key), sizeof(msg->key));
-    GNUNET_MQ_send (msg_client->handle->mq, env);
-  }
-  else
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Closing room failed: %s\n", 
GNUNET_h2s (&(msg->key)));
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static int
-check_send_message (void *cls, const struct GNUNET_MESSENGER_SendMessage *msg)
-{
-  const uint16_t full_length = ntohs (msg->header.size) - sizeof(msg->header);
-
-  if (full_length < sizeof(msg->key))
-    return GNUNET_NO;
-
-  const uint16_t length = full_length - sizeof(msg->key);
-  const char *buffer = ((const char*) msg) + sizeof(*msg);
-
-  struct GNUNET_MESSENGER_Message message;
-
-  if (GNUNET_YES != decode_message (&message, length, buffer))
-    return GNUNET_NO;
-
-  return GNUNET_OK;
-}
-
-static void
-handle_send_message (void *cls, const struct GNUNET_MESSENGER_SendMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  const struct GNUNET_HashCode *key = &(msg->key);
-  const char *buffer = ((const char*) msg) + sizeof(*msg);
-
-  const uint16_t length = ntohs (msg->header.size) - sizeof(*msg);
-
-  struct GNUNET_MESSENGER_Message message;
-  decode_message (&message, length, buffer);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending message: %s to %s\n",
-             GNUNET_MESSENGER_name_of_kind (message.header.kind),
-             GNUNET_h2s (key));
-
-  if (GNUNET_YES != send_handle_message (msg_client->handle, key, &message))
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Sending message failed: %s to %s\n",
-               GNUNET_MESSENGER_name_of_kind (message.header.kind),
-               GNUNET_h2s (key));
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void
-handle_get_message (void *cls, const struct GNUNET_MESSENGER_RecvMessage *msg)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = cls;
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Requesting message from room: %s\n",
-             GNUNET_h2s (&(msg->key)));
-
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (messenger, 
&(msg->key));
-
-  if (room)
-    get_room_message (room, msg_client->handle, &(msg->hash), GNUNET_YES);
-  else
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Room not found: %s\n",
-               GNUNET_h2s (&(msg->key)));
-
-  GNUNET_SERVICE_client_continue (msg_client->client);
-}
-
-static void*
-callback_client_connect (void *cls, struct GNUNET_SERVICE_Client *client, 
struct GNUNET_MQ_Handle *mq)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = GNUNET_new(struct 
GNUNET_MESSENGER_Client);
-
-  msg_client->client = client;
-  msg_client->handle = add_service_handle (messenger, mq);
-
-  return msg_client;
-}
-
-static void
-callback_client_disconnect (void *cls, struct GNUNET_SERVICE_Client *client, 
void *internal_cls)
-{
-  struct GNUNET_MESSENGER_Client *msg_client = internal_cls;
-
-  remove_service_handle (messenger, msg_client->handle);
-
-  GNUNET_free(msg_client);
-}
-
-/**
- * Setup MESSENGER internals.
- *
- * @param cls closure
- * @param config configuration to use
- * @param service the initialized service
- */
-static void
-run (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, struct 
GNUNET_SERVICE_Handle *service)
-{
-  messenger = create_service (config, service);
-
-  if ((!messenger) || (!messenger->cadet) || (!messenger->identity))
-    GNUNET_SCHEDULER_shutdown ();
-}
-
-/**
- * Define "main" method using service macro.
- */
-GNUNET_SERVICE_MAIN(
-    GNUNET_MESSENGER_SERVICE_NAME,
-    GNUNET_SERVICE_OPTION_NONE,
-    &run,
-    &callback_client_connect,
-    &callback_client_disconnect,
-    NULL,
-    GNUNET_MQ_hd_var_size( create, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_CREATE, struct 
GNUNET_MESSENGER_CreateMessage, NULL ),
-    GNUNET_MQ_hd_fixed_size( update, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_UPDATE, struct 
GNUNET_MESSENGER_UpdateMessage, NULL ),
-    GNUNET_MQ_hd_fixed_size( destroy, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_DESTROY, struct 
GNUNET_MESSENGER_DestroyMessage, NULL ),
-    GNUNET_MQ_hd_var_size( set_name, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_SET_NAME, struct 
GNUNET_MESSENGER_NameMessage, NULL ),
-    GNUNET_MQ_hd_fixed_size( room_open, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN, struct GNUNET_MESSENGER_RoomMessage, 
NULL ),
-    GNUNET_MQ_hd_fixed_size( room_entry, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY, struct GNUNET_MESSENGER_RoomMessage, 
NULL ),
-    GNUNET_MQ_hd_fixed_size( room_close, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE, struct GNUNET_MESSENGER_RoomMessage, 
NULL ),
-    GNUNET_MQ_hd_var_size( send_message, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_SEND_MESSAGE, struct 
GNUNET_MESSENGER_SendMessage, NULL ),
-    GNUNET_MQ_hd_fixed_size( get_message, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_GET_MESSAGE, struct 
GNUNET_MESSENGER_RecvMessage, NULL ),
-    GNUNET_MQ_handler_end());
diff --git a/src/messenger/gnunet-service-messenger.h 
b/src/messenger/gnunet-service-messenger.h
deleted file mode 100644
index 85a1d2549..000000000
--- a/src/messenger/gnunet-service-messenger.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_H
-#define GNUNET_SERVICE_MESSENGER_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_mq_lib.h"
-#include "gnunet_peer_lib.h"
-#include "gnunet_protocols.h"
-#include "gnunet_util_lib.h"
-
-/**
- * Message to create a handle for a client
- */
-struct GNUNET_MESSENGER_CreateMessage
-{
-  struct GNUNET_MessageHeader header;
-};
-
-/**
- * Message to update the handle (its EGO key) for a client
- */
-struct GNUNET_MESSENGER_UpdateMessage
-{
-  struct GNUNET_MessageHeader header;
-};
-
-/**
- * Message to destroy the handle for a client
- */
-struct GNUNET_MESSENGER_DestroyMessage
-{
-  struct GNUNET_MessageHeader header;
-};
-
-/**
- * Message to receive the current name of a handle
- */
-struct GNUNET_MESSENGER_NameMessage
-{
-  struct GNUNET_MessageHeader header;
-};
-
-/**
- * Message to receive the current public key of a handle
- */
-struct GNUNET_MESSENGER_KeyMessage
-{
-  struct GNUNET_MessageHeader header;
-  struct GNUNET_IDENTITY_PublicKey pubkey;
-};
-
-/**
- * General message to confirm interaction with a room
- */
-struct GNUNET_MESSENGER_RoomMessage
-{
-  struct GNUNET_MessageHeader header;
-
-  struct GNUNET_PeerIdentity door;
-  struct GNUNET_HashCode key;
-};
-
-/**
- * Message to receive the current member id of a handle in room
- */
-struct GNUNET_MESSENGER_MemberMessage
-{
-  struct GNUNET_MessageHeader header;
-
-  struct GNUNET_HashCode key;
-  struct GNUNET_ShortHashCode id;
-};
-
-/**
- * Message to send something into a room
- */
-struct GNUNET_MESSENGER_SendMessage
-{
-  struct GNUNET_MessageHeader header;
-  struct GNUNET_HashCode key;
-};
-
-/**
- * Message to receive something from a room
- */
-struct GNUNET_MESSENGER_RecvMessage
-{
-  struct GNUNET_MessageHeader header;
-  struct GNUNET_HashCode key;
-  struct GNUNET_HashCode hash;
-};
-
-#endif //GNUNET_SERVICE_MESSENGER_H
diff --git a/src/messenger/gnunet-service-messenger_basement.c 
b/src/messenger/gnunet-service-messenger_basement.c
deleted file mode 100644
index 190cf2de5..000000000
--- a/src/messenger/gnunet-service-messenger_basement.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_basement.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_basement.h"
-
-size_t
-count_of_tunnels (const struct GNUNET_MESSENGER_ListTunnels *tunnels)
-{
-  const struct GNUNET_MESSENGER_ListTunnel *element;
-  size_t count = 0;
-
-  for (element = tunnels->head; element; element = element->next)
-    count++;
-
-  return count;
-}
-
-int
-should_connect_tunnel_to (size_t count, size_t src, size_t dst)
-{
-  if ((src + 1) % count == dst % count)
-    return GNUNET_YES;
-
-  return GNUNET_NO;
-}
-
-int
-required_connection_between (size_t count, size_t src, size_t dst)
-{
-  if (GNUNET_YES == should_connect_tunnel_to (count, src, dst))
-    return GNUNET_YES;
-  if (GNUNET_YES == should_connect_tunnel_to (count, dst, src))
-    return GNUNET_YES;
-
-  return GNUNET_NO;
-}
diff --git a/src/messenger/gnunet-service-messenger_basement.h 
b/src/messenger/gnunet-service-messenger_basement.h
deleted file mode 100644
index 0a1a9b126..000000000
--- a/src/messenger/gnunet-service-messenger_basement.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_basement.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_BASEMENT_H
-#define GNUNET_SERVICE_MESSENGER_BASEMENT_H
-
-#include "messenger_api_list_tunnels.h"
-
-/**
- * Returns the count of peers in a list (typically from the basement of a 
room).
- *
- * @param tunnels List of peer identities
- * @return Count of the entries in the list
- */
-size_t
-count_of_tunnels (const struct GNUNET_MESSENGER_ListTunnels *tunnels);
-
-/**
- * Returns GNUNET_YES or GNUNET_NO to determine if the peer at index 
<i>src</i> should
- * or should not connect outgoing to the peer at index <i>dst</i> to construct 
a complete
- * basement with a given <i>count</i> of peers.
- *
- * @param count Count of peers
- * @param src Source index
- * @param dst Destination index
- * @return GNUNET_YES or GNUNET_NO based on topologic requirement
- */
-int
-should_connect_tunnel_to (size_t count, size_t src, size_t dst);
-
-/**
- * Returns GNUNET_YES or GNUNET_NO to determine if the peers of index 
<i>src</i> and
- * index <i>dst</i> should be connected in any direction to construct a 
complete
- * basement with a given <i>count</i> of peers.
- *
- * @param count Count of peers
- * @param src Source index
- * @param dst Destination index
- * @return GNUNET_YES or GNUNET_NO based on topologic requirement
- */
-int
-required_connection_between (size_t count, size_t src, size_t dst);
-
-#endif //GNUNET_SERVICE_MESSENGER_BASEMENT_H
diff --git a/src/messenger/gnunet-service-messenger_contact.c 
b/src/messenger/gnunet-service-messenger_contact.c
deleted file mode 100644
index 1ec125402..000000000
--- a/src/messenger/gnunet-service-messenger_contact.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_contact.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_contact.h"
-
-struct GNUNET_MESSENGER_SrvContact*
-create_contact (const struct GNUNET_IDENTITY_PublicKey *key)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = GNUNET_new(struct 
GNUNET_MESSENGER_SrvContact);
-
-  contact->name = NULL;
-  contact->rc = 0;
-
-  GNUNET_memcpy(&(contact->public_key), key, sizeof(contact->public_key));
-
-  return contact;
-}
-
-void
-destroy_contact (struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  if (contact->name)
-    GNUNET_free(contact->name);
-
-  GNUNET_free(contact);
-}
-
-const char*
-get_contact_name (const struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  return contact->name;
-}
-
-void
-set_contact_name (struct GNUNET_MESSENGER_SrvContact *contact, const char 
*name)
-{
-  GNUNET_assert(name);
-
-  if (contact->name)
-    GNUNET_free(contact->name);
-
-  contact->name = GNUNET_strdup(name);
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-get_contact_key (const struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  return &(contact->public_key);
-}
-
-void
-increase_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  contact->rc++;
-}
-
-int
-decrease_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  if (contact->rc > 0)
-    contact->rc--;
-
-  return contact->rc ? GNUNET_NO : GNUNET_YES;
-}
-
-const struct GNUNET_HashCode*
-get_contact_id_from_key (const struct GNUNET_MESSENGER_SrvContact *contact)
-{
-  static struct GNUNET_HashCode id;
-
-  GNUNET_CRYPTO_hash (&(contact->public_key), sizeof(contact->public_key), 
&id);
-
-  return &id;
-}
diff --git a/src/messenger/gnunet-service-messenger_contact.h 
b/src/messenger/gnunet-service-messenger_contact.h
deleted file mode 100644
index 4a4f8bf0f..000000000
--- a/src/messenger/gnunet-service-messenger_contact.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_contact.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_CONTACT_H
-#define GNUNET_SERVICE_MESSENGER_CONTACT_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-
-struct GNUNET_MESSENGER_SrvContact
-{
-  char *name;
-  size_t rc;
-
-  struct GNUNET_IDENTITY_PublicKey public_key;
-};
-
-/**
- * Creates and allocates a new contact with a given public <i>key</i> from an 
EGO.
- *
- * @param key Public key
- * @return New contact
- */
-struct GNUNET_MESSENGER_SrvContact*
-create_contact (const struct GNUNET_IDENTITY_PublicKey *key);
-
-/**
- * Destroys a contact and frees its memory fully.
- *
- * @param contact Contact
- */
-void
-destroy_contact (struct GNUNET_MESSENGER_SrvContact *contact);
-
-/**
- * Returns the current name of a given <i>contact</i> or NULL if no valid name 
was assigned yet.
- *
- * @param contact Contact
- * @return Name of the contact or NULL
- */
-const char*
-get_contact_name (const struct GNUNET_MESSENGER_SrvContact *contact);
-
-/**
- * Changes the current name of a given <i>contact</i> by copying it from the 
parameter <i>name</i>.
- *
- * @param contact Contact
- * @param name Valid name (may not be NULL!)
- */
-void
-set_contact_name (struct GNUNET_MESSENGER_SrvContact *contact, const char 
*name);
-
-/**
- * Returns the public key of a given <i>contact</i>.
- *
- * @param contact Contact
- * @return Public key of the contact
- */
-const struct GNUNET_IDENTITY_PublicKey*
-get_contact_key (const struct GNUNET_MESSENGER_SrvContact *contact);
-
-/**
- * Increases the reference counter of a given <i>contact</i> which is zero as 
default.
- *
- * @param contact Contact
- */
-void
-increase_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact);
-
-/**
- * Decreases the reference counter if possible (can not underflow!) of a given 
<i>contact</i>
- * and returns GNUNET_YES if the counter is equal to zero, otherwise GNUNET_NO.
- *
- * @param contact Contact
- * @return GNUNET_YES or GNUNET_NO depending on the reference counter
- */
-int
-decrease_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact);
-
-/**
- * Returns the resulting hashcode of the public key from a given 
<i>contact</i>.
- *
- * @param contact Contact
- * @return Hash of the contacts public key
- */
-const struct GNUNET_HashCode*
-get_contact_id_from_key (const struct GNUNET_MESSENGER_SrvContact *contact);
-
-#endif //GNUNET_SERVICE_MESSENGER_CONTACT_H
diff --git a/src/messenger/gnunet-service-messenger_handle.c 
b/src/messenger/gnunet-service-messenger_handle.c
deleted file mode 100644
index 38ad6fbb4..000000000
--- a/src/messenger/gnunet-service-messenger_handle.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_handle.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_handle.h"
-
-#include "gnunet-service-messenger.h"
-#include "gnunet-service-messenger_message_kind.h"
-
-struct GNUNET_MESSENGER_SrvHandle*
-create_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MQ_Handle *mq)
-{
-  struct GNUNET_MESSENGER_SrvHandle *handle = GNUNET_new(struct 
GNUNET_MESSENGER_SrvHandle);
-
-  handle->service = service;
-  handle->mq = mq;
-
-  handle->name = NULL;
-
-  handle->operation = NULL;
-
-  handle->ego = NULL;
-
-  handle->member_ids = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  return handle;
-}
-
-int
-iterate_free_member_ids (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  GNUNET_free(value);
-
-  return GNUNET_YES;
-}
-
-void
-destroy_handle (struct GNUNET_MESSENGER_SrvHandle *handle)
-{
-  if (handle->service->dir)
-   save_handle_configuration(handle);
-
-  if (handle->operation)
-    GNUNET_IDENTITY_cancel (handle->operation);
-
-  if (handle->name)
-    GNUNET_free(handle->name);
-
-  GNUNET_CONTAINER_multihashmap_iterate (handle->member_ids, 
iterate_free_member_ids, NULL);
-  GNUNET_CONTAINER_multihashmap_destroy (handle->member_ids);
-
-  GNUNET_free(handle);
-}
-
-void
-get_handle_data_subdir (struct GNUNET_MESSENGER_SrvHandle *handle, const char 
*name, char **dir)
-{
-  if (name)
-    GNUNET_asprintf (dir, "%s%s%c%s%c", handle->service->dir, "identities",
-                     DIR_SEPARATOR, name, DIR_SEPARATOR);
-  else
-    GNUNET_asprintf (dir, "%s%s%c", handle->service->dir, "anonymous",
-                     DIR_SEPARATOR);
-}
-
-static int
-create_handle_member_id (const struct GNUNET_MESSENGER_SrvHandle *handle, 
const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_ShortHashCode *random_id = generate_service_new_member_id 
(handle->service, key);
-
-  if (!random_id)
-    return GNUNET_NO;
-
-  if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->member_ids, key, 
random_id,
-                                                      
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-  {
-    GNUNET_free(random_id);
-    return GNUNET_NO;
-  }
-
-  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Created a new member id (%s) for room: 
%s\n",
-             GNUNET_sh2s(random_id), GNUNET_h2s(key));
-
-  return GNUNET_YES;
-}
-
-const struct GNUNET_ShortHashCode*
-get_handle_member_id (const struct GNUNET_MESSENGER_SrvHandle *handle, const 
struct GNUNET_HashCode *key)
-{
-  return GNUNET_CONTAINER_multihashmap_get (handle->member_ids, key);
-}
-
-void
-change_handle_member_id (struct GNUNET_MESSENGER_SrvHandle *handle, const 
struct GNUNET_HashCode *key,
-                         const struct GNUNET_ShortHashCode *unique_id)
-{
-  struct GNUNET_ShortHashCode *member_id = GNUNET_CONTAINER_multihashmap_get 
(handle->member_ids, key);
-
-  if (member_id)
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Changed a member id (%s) for room (%s) 
",
-               GNUNET_sh2s(member_id), GNUNET_h2s(key));
-    GNUNET_log(GNUNET_ERROR_TYPE_INFO, "into (%s).\n",
-               GNUNET_sh2s(unique_id));
-
-    GNUNET_memcpy(member_id, unique_id, sizeof(*unique_id));
-
-    struct GNUNET_MESSENGER_MemberMessage *msg;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg(msg, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_MEMBER_ID);
-
-    GNUNET_memcpy(&(msg->key), key, sizeof(*key));
-    GNUNET_memcpy(&(msg->id), member_id, sizeof(*member_id));
-
-    GNUNET_MQ_send (handle->mq, env);
-  }
-  else
-  {
-    member_id = GNUNET_new(struct GNUNET_ShortHashCode);
-    GNUNET_memcpy(member_id, unique_id, sizeof(*member_id));
-
-    if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->member_ids, 
key, member_id,
-                                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-      GNUNET_free(member_id);
-  }
-}
-
-static void
-change_handle_name (struct GNUNET_MESSENGER_SrvHandle *handle, const char 
*name)
-{
-  if (handle->name)
-    GNUNET_free(handle->name);
-
-  handle->name = name ? GNUNET_strdup(name) : NULL;
-
-  const uint16_t name_len = handle->name ? strlen (handle->name) : 0;
-
-  struct GNUNET_MESSENGER_NameMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg_extra(msg, name_len + 1, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_NAME);
-
-  char *extra = ((char*) msg) + sizeof(*msg);
-
-  if (name_len)
-    GNUNET_memcpy(extra, handle->name, name_len);
-
-  extra[name_len] = '\0';
-
-  GNUNET_MQ_send (handle->mq, env);
-}
-
-static void
-change_handle_ego (struct GNUNET_MESSENGER_SrvHandle *handle, struct 
GNUNET_MESSENGER_Ego *ego)
-{
-  handle->ego = ego;
-
-  ego = get_handle_ego(handle);
-
-  struct GNUNET_MESSENGER_KeyMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_KEY);
-
-  GNUNET_memcpy(&(msg->pubkey), &(ego->pub), sizeof(ego->pub));
-
-  GNUNET_MQ_send (handle->mq, env);
-}
-
-struct GNUNET_MESSENGER_Ego*
-get_handle_ego (struct GNUNET_MESSENGER_SrvHandle *handle)
-{
-  static struct GNUNET_MESSENGER_Ego anonymous;
-  static int read_keys = 0;
-
-  if (handle->ego)
-    return handle->ego;
-
-  if (!read_keys)
-  {
-    struct GNUNET_IDENTITY_Ego* ego = GNUNET_IDENTITY_ego_get_anonymous ();
-    GNUNET_memcpy(&(anonymous.priv), GNUNET_IDENTITY_ego_get_private_key(ego), 
sizeof(anonymous.priv));
-    GNUNET_IDENTITY_ego_get_public_key(ego, &(anonymous.pub));
-    read_keys = 1;
-  }
-
-  return &anonymous;
-}
-
-void
-setup_handle_name (struct GNUNET_MESSENGER_SrvHandle *handle, const char *name)
-{
-  change_handle_name (handle, name);
-  change_handle_ego (handle, handle->name? lookup_service_ego(handle->service, 
handle->name) : NULL);
-
-  if (handle->service->dir)
-   load_handle_configuration(handle);
-}
-
-struct GNUNET_MESSENGER_MessageHandle
-{
-  struct GNUNET_MESSENGER_SrvHandle *handle;
-  struct GNUNET_MESSENGER_Message *message;
-};
-
-static int
-iterate_send_message (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_MessageHandle *msg_handle = cls;
-
-  send_handle_message (msg_handle->handle, key, msg_handle->message);
-
-  return GNUNET_YES;
-}
-
-static void
-callback_ego_create (void *cls, const struct GNUNET_IDENTITY_PrivateKey *key, 
const char *emsg)
-{
-  struct GNUNET_MESSENGER_SrvHandle *handle = cls;
-
-  handle->operation = NULL;
-
-  if (emsg)
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s\n", emsg);
-
-  if (key)
-  {
-    struct GNUNET_MESSENGER_MessageHandle msg_handle;
-
-    msg_handle.handle = handle;
-    msg_handle.message = create_message_key (key);
-
-    GNUNET_CONTAINER_multihashmap_iterate (handle->member_ids, 
iterate_send_message, &msg_handle);
-
-    destroy_message (msg_handle.message);
-
-    update_service_ego(handle->service, handle->name, key);
-
-    change_handle_ego (handle, lookup_service_ego(handle->service, 
handle->name));
-  }
-}
-
-int
-update_handle (struct GNUNET_MESSENGER_SrvHandle *handle)
-{
-  GNUNET_assert(handle);
-
-  if (!handle->name)
-    return GNUNET_SYSERR;
-
-  struct GNUNET_MESSENGER_Ego *ego = lookup_service_ego(handle->service, 
handle->name);
-
-  if (!ego)
-    handle->operation = GNUNET_IDENTITY_create (handle->service->identity, 
handle->name, NULL,
-                                                GNUNET_IDENTITY_TYPE_ECDSA, 
callback_ego_create, handle);
-  else
-    change_handle_ego (handle, ego);
-
-  return GNUNET_OK;
-}
-
-int
-set_handle_name (struct GNUNET_MESSENGER_SrvHandle *handle, const char *name)
-{
-  GNUNET_assert(handle);
-
-  if ((name) && (lookup_service_ego(handle->service, name)))
-    return GNUNET_NO;
-
-  struct GNUNET_IDENTITY_Operation *operation = handle->operation;
-
-  if (handle->name)
-    handle->operation = GNUNET_IDENTITY_rename (handle->service->identity, 
handle->name, name, NULL, NULL);
-
-  char *old_dir;
-  get_handle_data_subdir (handle, handle->name, &old_dir);
-
-  char *new_dir;
-  get_handle_data_subdir (handle, name, &new_dir);
-
-  int result = 0;
-
-  if (GNUNET_YES == GNUNET_DISK_directory_test (old_dir, GNUNET_YES))
-  {
-    GNUNET_DISK_directory_create_for_file (new_dir);
-
-    result = rename (old_dir, new_dir);
-  }
-  else if (GNUNET_YES == GNUNET_DISK_directory_test (new_dir, GNUNET_NO))
-    result = -1;
-
-  if (0 == result)
-  {
-    struct GNUNET_MESSENGER_MessageHandle msg_handle;
-
-    msg_handle.handle = handle;
-    msg_handle.message = create_message_name (name);
-
-    GNUNET_CONTAINER_multihashmap_iterate (handle->member_ids, 
iterate_send_message, &msg_handle);
-
-    destroy_message (msg_handle.message);
-
-    change_handle_name (handle, name);
-
-    if (operation)
-      GNUNET_IDENTITY_cancel (operation);
-  }
-  else
-  {
-    if (handle->operation)
-    {
-      GNUNET_IDENTITY_cancel (handle->operation);
-
-      handle->operation = operation;
-    }
-  }
-
-  GNUNET_free(old_dir);
-  GNUNET_free(new_dir);
-
-  return (result == 0 ? GNUNET_OK : GNUNET_NO);
-}
-
-int
-open_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key)
-{
-  if ((!get_handle_member_id (handle, key)) && (GNUNET_YES != 
create_handle_member_id (handle, key)))
-    return GNUNET_NO;
-
-  return open_service_room (handle->service, handle, key);
-}
-
-int
-entry_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_PeerIdentity *door,
-                   const struct GNUNET_HashCode *key)
-{
-  if ((!get_handle_member_id (handle, key)) && (GNUNET_YES != 
create_handle_member_id (handle, key)))
-    return GNUNET_NO;
-
-  return entry_service_room (handle->service, handle, door, key);
-}
-
-int
-close_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key)
-{
-  if (!get_handle_member_id (handle, key))
-    return GNUNET_NO;
-
-  return close_service_room (handle->service, handle, key);
-}
-
-int
-send_handle_message (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key,
-                     struct GNUNET_MESSENGER_Message *message)
-{
-  const struct GNUNET_ShortHashCode *id = get_handle_member_id (handle, key);
-
-  if (!id)
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "It is required to be a member of a 
room to send messages!\n");
-    return GNUNET_NO;
-  }
-
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (handle->service, 
key);
-
-  if (!room)
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "The room (%s) is unknown!\n", 
GNUNET_h2s (key));
-    return GNUNET_NO;
-  }
-
-  struct GNUNET_HashCode hash;
-
-  GNUNET_memcpy(&(message->header.sender_id), id, sizeof(*id));
-
-  send_room_message (room, handle, message, &hash);
-  return GNUNET_YES;
-}
-
-static int callback_scan_for_rooms(void* cls, const char *filename) {
-  struct GNUNET_MESSENGER_SrvHandle* handle = cls;
-
-  struct GNUNET_CONFIGURATION_Handle* cfg = GNUNET_CONFIGURATION_create();
-
-  if ((GNUNET_YES == GNUNET_DISK_file_test(filename)) &&
-      (GNUNET_OK == GNUNET_CONFIGURATION_parse(cfg, filename)))
-  {
-    struct GNUNET_HashCode key;
-    struct GNUNET_ShortHashCode member_id;
-
-    if ((GNUNET_OK == GNUNET_CONFIGURATION_get_data(cfg, "room", "key", &key, 
sizeof(key))) &&
-        (GNUNET_OK == GNUNET_CONFIGURATION_get_data(cfg, "room", "member_id", 
&member_id, sizeof(member_id))))
-      change_handle_member_id(handle, &key, &member_id);
-  }
-
-  GNUNET_CONFIGURATION_destroy(cfg);
-  return GNUNET_OK;
-}
-
-void load_handle_configuration(struct GNUNET_MESSENGER_SrvHandle *handle) {
-  char* id_dir;
-  get_handle_data_subdir(handle, handle->name, &id_dir);
-
-  if (GNUNET_YES == GNUNET_DISK_directory_test(id_dir, GNUNET_YES))
-  {
-    char* scan_dir;
-    GNUNET_asprintf(&scan_dir, "%s%s%c", id_dir, "rooms", DIR_SEPARATOR);
-
-    if (GNUNET_OK == GNUNET_DISK_directory_test(scan_dir, GNUNET_YES))
-      GNUNET_DISK_directory_scan(scan_dir, callback_scan_for_rooms, handle);
-
-    GNUNET_free(scan_dir);
-  }
-
-  GNUNET_free(id_dir);
-}
-
-static int
-iterate_save_rooms(void* cls, const struct GNUNET_HashCode* key, void* value)
-{
-  struct GNUNET_MESSENGER_SrvHandle* handle = cls;
-  struct GNUNET_ShortHashCode* member_id = value;
-
-  char* id_dir;
-  get_handle_data_subdir(handle, handle->name, &id_dir);
-
-  char* filename;
-  GNUNET_asprintf(&filename, "%s%s%c%s.cfg",
-                  id_dir, "rooms", DIR_SEPARATOR,
-                  GNUNET_h2s(key));
-
-  GNUNET_free(id_dir);
-
-  struct GNUNET_CONFIGURATION_Handle* cfg = GNUNET_CONFIGURATION_create();
-
-  char* key_data = GNUNET_STRINGS_data_to_string_alloc(key, sizeof(*key));
-
-  if (key_data)
-  {
-    GNUNET_CONFIGURATION_set_value_string(cfg, "room", "key", key_data);
-
-    GNUNET_free(key_data);
-  }
-
-  char* member_id_data = GNUNET_STRINGS_data_to_string_alloc(member_id, 
sizeof(*member_id));
-
-  if (member_id_data)
-  {
-    GNUNET_CONFIGURATION_set_value_string(cfg, "room", "member_id", 
member_id_data);
-
-    GNUNET_free(member_id_data);
-  }
-
-  GNUNET_CONFIGURATION_write(cfg, filename);
-  GNUNET_CONFIGURATION_destroy(cfg);
-
-  GNUNET_free(filename);
-
-  return GNUNET_YES;
-}
-
-void save_handle_configuration(struct GNUNET_MESSENGER_SrvHandle *handle)
-{
-  char* id_dir;
-  get_handle_data_subdir(handle, handle->name, &id_dir);
-
-  if ((GNUNET_YES == GNUNET_DISK_directory_test(id_dir, GNUNET_NO)) ||
-      (GNUNET_OK == GNUNET_DISK_directory_create(id_dir)))
-  {
-    char* save_dir;
-    GNUNET_asprintf(&save_dir, "%s%s%c", id_dir, "rooms", DIR_SEPARATOR);
-
-    if ((GNUNET_YES == GNUNET_DISK_directory_test(save_dir, GNUNET_NO)) ||
-        (GNUNET_OK == GNUNET_DISK_directory_create(save_dir)))
-      GNUNET_CONTAINER_multihashmap_iterate(handle->member_ids, 
iterate_save_rooms, handle);
-
-    GNUNET_free(save_dir);
-  }
-
-  GNUNET_free(id_dir);
-}
diff --git a/src/messenger/gnunet-service-messenger_handle.h 
b/src/messenger/gnunet-service-messenger_handle.h
deleted file mode 100644
index 81cf377a8..000000000
--- a/src/messenger/gnunet-service-messenger_handle.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_handle.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_HANDLE_H
-#define GNUNET_SERVICE_MESSENGER_HANDLE_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_peer_lib.h"
-#include "gnunet_mq_lib.h"
-
-#include "gnunet-service-messenger_service.h"
-
-#include "messenger_api_ego.h"
-#include "messenger_api_message.h"
-
-struct GNUNET_MESSENGER_SrvHandle
-{
-  struct GNUNET_MESSENGER_Service *service;
-  struct GNUNET_MQ_Handle *mq;
-
-  char *name;
-
-  struct GNUNET_IDENTITY_Operation *operation;
-
-  struct GNUNET_MESSENGER_Ego *ego;
-
-  struct GNUNET_CONTAINER_MultiHashMap *member_ids;
-};
-
-/**
- * Creates and allocates a new handle related to a <i>service</i> and using a 
given <i>mq</i> (message queue).
- *
- * @param service MESSENGER Service
- * @param mq Message queue
- * @return New handle
- */
-struct GNUNET_MESSENGER_SrvHandle*
-create_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MQ_Handle *mq);
-
-/**
- * Destroys a handle and frees its memory fully.
- *
- * @param handle Handle
- */
-void
-destroy_handle (struct GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Writes the path of the directory for a given <i>handle</i> using a specific 
<i>name</i> to the parameter
- * <i>dir</i>. This directory will be used to store data regarding the handle 
and its messages.
- *
- * @param handle Handle
- * @param name Potential name of the handle
- * @param dir[out] Path to store data
- */
-void
-get_handle_data_subdir (struct GNUNET_MESSENGER_SrvHandle *handle, const char 
*name, char **dir);
-
-/**
- * Returns the member id of a given <i>handle</i> in a specific <i>room</i>.
- *
- * If the handle is not a member of the specific <i>room</i>, NULL gets 
returned.
- *
- * @param handle Handle
- * @param key Key of a room
- * @return Member id or NULL
- */
-const struct GNUNET_ShortHashCode*
-get_handle_member_id (const struct GNUNET_MESSENGER_SrvHandle *handle, const 
struct GNUNET_HashCode *key);
-
-/**
- * Changes the member id of a given <i>handle</i> in a specific <i>room</i> to 
match a <i>unique_id</i>.
- *
- * The client connected to the <i>handle</i> will be informed afterwards 
automatically.
- *
- * @param handle Handle
- * @param key Key of a room
- * @param unique_id Unique member id
- */
-void
-change_handle_member_id (struct GNUNET_MESSENGER_SrvHandle *handle, const 
struct GNUNET_HashCode *key,
-                         const struct GNUNET_ShortHashCode *unique_id);
-
-/**
- * Returns the EGO used by a given <i>handle</i>.
- *
- * @param handle Handle
- * @return EGO keypair
- */
-struct GNUNET_MESSENGER_Ego*
-get_handle_ego (struct GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Tries to set the name and EGO key of a <i>handle</i> initially by looking 
up a specific <i>name</i>.
- *
- * @param handle Handle
- * @param name Name (optionally: valid EGO name)
- */
-void
-setup_handle_name (struct GNUNET_MESSENGER_SrvHandle *handle, const char 
*name);
-
-/**
- * Tries to change the keypair of an EGO of a <i>handle</i> under the same 
name and informs all rooms
- * about the change automatically.
- *
- * @param handle Handle
- * @return GNUNET_OK on success, otherwise GNUNET_SYSERR
- */
-int
-update_handle (struct GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Tries to rename the handle which implies renaming the EGO its using and 
moving all related data into
- * the directory fitting to the changed <i>name</i>.
- *
- * The client connected to the <i>handle</i> will be informed afterwards 
automatically.
- *
- * @param handle Handle
- * @param name New name
- * @return GNUNET_OK on success, otherwise GNUNET_NO
- */
-int
-set_handle_name (struct GNUNET_MESSENGER_SrvHandle *handle, const char *name);
-
-/**
- * Makes a given <i>handle</i> a member of the room using a specific 
<i>key</i> and opens the
- * room from the handles service.
- *
- * @param handle Handle
- * @param key Key of a room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-open_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key);
-
-/**
- * Makes a given <i>handle</i> a member of the room using a specific 
<i>key</i> and enters the room
- * through a tunnel to a peer identified by a given <i>door</i> (peer 
identity).
- *
- * @param handle Handle
- * @param door Peer identity
- * @param key Key of a room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-entry_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_PeerIdentity *door,
-                   const struct GNUNET_HashCode *key);
-
-/**
- * Removes the membership of the room using a specific <i>key</i> and closes 
it if no other handle
- * from this service is still a member of it.
- *
- * @param handle Handle
- * @param key Key of a room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-close_handle_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key);
-
-/**
- * Sends a <i>message</i> from a given <i>handle</i> to the room using a 
specific <i>key</i>.
- *
- * @param handle Handle
- * @param key Key of a room
- * @param message Message
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-send_handle_message (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key,
-                     struct GNUNET_MESSENGER_Message *message);
-
-/**
- * Loads member ids and other potential configuration from a given 
<i>handle</i> which
- * depends on the given name the <i>handle</i> uses.
- *
- * @param handle Handle
- */
-void
-load_handle_configuration(struct GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Saves member ids and other potential configuration from a given 
<i>handle</i> which
- * depends on the given name the <i>handle</i> uses.
- *
- * @param handle Handle
- */
-void
-save_handle_configuration(struct GNUNET_MESSENGER_SrvHandle *handle);
-
-#endif //GNUNET_SERVICE_MESSENGER_HANDLE_H
diff --git a/src/messenger/gnunet-service-messenger_list_handles.c 
b/src/messenger/gnunet-service-messenger_list_handles.c
deleted file mode 100644
index 16a160dea..000000000
--- a/src/messenger/gnunet-service-messenger_list_handles.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_list_handles.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_list_handles.h"
-
-#include "gnunet-service-messenger_handle.h"
-
-void
-init_list_handles (struct GNUNET_MESSENGER_ListHandles *handles)
-{
-  GNUNET_assert(handles);
-
-  handles->head = NULL;
-  handles->tail = NULL;
-}
-
-void
-clear_list_handles (struct GNUNET_MESSENGER_ListHandles *handles)
-{
-  GNUNET_assert(handles);
-
-  while (handles->head)
-  {
-    struct GNUNET_MESSENGER_ListHandle *element = handles->head;
-
-    GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element);
-    destroy_handle (element->handle);
-    GNUNET_free(element);
-  }
-
-  handles->head = NULL;
-  handles->tail = NULL;
-}
-
-void
-add_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle)
-{
-  struct GNUNET_MESSENGER_ListHandle *element = GNUNET_new(struct 
GNUNET_MESSENGER_ListHandle);
-
-  element->handle = handle;
-
-  GNUNET_CONTAINER_DLL_insert_tail(handles->head, handles->tail, element);
-}
-
-int
-remove_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle)
-{
-  struct GNUNET_MESSENGER_ListHandle *element;
-
-  for (element = handles->head; element; element = element->next)
-    if (element->handle == handle)
-      break;
-
-  if (!element)
-    return GNUNET_NO;
-
-  GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element);
-  GNUNET_free(element);
-
-  return GNUNET_YES;
-}
-
-void*
-find_list_handle_by_member (struct GNUNET_MESSENGER_ListHandles *handles, 
const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_ListHandle *element;
-
-  for (element = handles->head; element; element = element->next)
-    if (get_handle_member_id ((struct GNUNET_MESSENGER_SrvHandle*) 
element->handle, key))
-      return element->handle;
-
-  return NULL;
-}
diff --git a/src/messenger/gnunet-service-messenger_list_handles.h 
b/src/messenger/gnunet-service-messenger_list_handles.h
deleted file mode 100644
index fe92cc58a..000000000
--- a/src/messenger/gnunet-service-messenger_list_handles.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_list_handles.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H
-#define GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_container_lib.h"
-
-struct GNUNET_MESSENGER_ListHandle
-{
-  struct GNUNET_MESSENGER_ListHandle *prev;
-  struct GNUNET_MESSENGER_ListHandle *next;
-
-  void *handle;
-};
-
-struct GNUNET_MESSENGER_ListHandles
-{
-  struct GNUNET_MESSENGER_ListHandle *head;
-  struct GNUNET_MESSENGER_ListHandle *tail;
-};
-
-/**
- * Initializes list of handles as empty list.
- *
- * @param handles List of handles
- */
-void
-init_list_handles (struct GNUNET_MESSENGER_ListHandles *handles);
-
-/**
- * Destroys remaining handles and clears the list.
- *
- * @param handles List of handles
- */
-void
-clear_list_handles (struct GNUNET_MESSENGER_ListHandles *handles);
-
-/**
- * Adds a specific <i>handle</i> to the end of the list.
- *
- * @param handles List of handles
- * @param handle Handle
- */
-void
-add_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle);
-
-/**
- * Removes the first entry matching with a specific <i>handle</i> from the 
list and
- * returns GNUNET_YES on success or GNUNET_NO on failure.
- *
- * @param handles List of handles
- * @param handle Handle
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-remove_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void 
*handle);
-
-/**
- * Searches linearly through the list of handles for members of a specific room
- * which is identified by a given <i>key</i>.
- *
- * If no handle is found which is a current member, NULL gets returned.
- *
- * @param handles List of handles
- * @param key Common key of a room
- * @return First handle which is a current member
- */
-void*
-find_list_handle_by_member (struct GNUNET_MESSENGER_ListHandles *handles, 
const struct GNUNET_HashCode *key);
-
-#endif //GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H
diff --git a/src/messenger/gnunet-service-messenger_list_messages.c 
b/src/messenger/gnunet-service-messenger_list_messages.c
deleted file mode 100644
index c4f1f7043..000000000
--- a/src/messenger/gnunet-service-messenger_list_messages.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_list_messages.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_list_messages.h"
-
-void
-init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
-{
-  GNUNET_assert(messages);
-
-  messages->head = NULL;
-  messages->tail = NULL;
-}
-
-void
-clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
-{
-  GNUNET_assert(messages);
-
-  while (messages->head)
-  {
-    struct GNUNET_MESSENGER_ListMessage *element = messages->head;
-
-    GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
-    GNUNET_free(element);
-  }
-
-  messages->head = NULL;
-  messages->tail = NULL;
-}
-
-void
-add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const 
struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct 
GNUNET_MESSENGER_ListMessage);
-
-  GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode));
-
-  GNUNET_CONTAINER_DLL_insert_tail(messages->head, messages->tail, element);
-}
-
-void
-remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, 
const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ListMessage *element;
-
-  for (element = messages->head; element; element = element->next)
-    if (0 == GNUNET_CRYPTO_hash_cmp (&(element->hash), hash))
-    {
-      GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
-      GNUNET_free(element);
-      break;
-    }
-}
diff --git a/src/messenger/gnunet-service-messenger_list_messages.h 
b/src/messenger/gnunet-service-messenger_list_messages.h
deleted file mode 100644
index 266c30ec6..000000000
--- a/src/messenger/gnunet-service-messenger_list_messages.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_list_messages.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H
-#define GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_container_lib.h"
-
-struct GNUNET_MESSENGER_ListMessage
-{
-  struct GNUNET_MESSENGER_ListMessage *prev;
-  struct GNUNET_MESSENGER_ListMessage *next;
-
-  struct GNUNET_HashCode hash;
-};
-
-struct GNUNET_MESSENGER_ListMessages
-{
-  struct GNUNET_MESSENGER_ListMessage *head;
-  struct GNUNET_MESSENGER_ListMessage *tail;
-};
-
-/**
- * Initializes list of message hashes as empty list.
- *
- * @param messages List of hashes
- */
-void
-init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
-
-/**
- * Clears the list of message hashes.
- *
- * @param messages List of hashes
- */
-void
-clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
-
-/**
- * Adds a specific <i>hash</i> from a message to the end of the list.
- *
- * @param messages List of hashes
- * @param hash Hash of message
- */
-void
-add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const 
struct GNUNET_HashCode *hash);
-
-/**
- * Removes the first entry with a matching <i>hash</i> from the list.
- *
- * @param messages List of hashes
- * @param hash Hash of message
- */
-void
-remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, 
const struct GNUNET_HashCode *hash);
-
-#endif //GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H
diff --git a/src/messenger/gnunet-service-messenger_message_handle.c 
b/src/messenger/gnunet-service-messenger_message_handle.c
deleted file mode 100644
index 1652435c8..000000000
--- a/src/messenger/gnunet-service-messenger_message_handle.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_handle.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_message_handle.h"
-
-void
-handle_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = get_room_contact (room, 
&(message->header.sender_id));
-
-  if (!contact)
-    add_room_contact (room, &(message->header.sender_id), 
&(message->body.join.key));
-
-  struct GNUNET_MESSENGER_MemberInfo *info = get_room_member_info (room, 
&(message->header.sender_id));
-
-  if (!info)
-  {
-    info = GNUNET_new(struct GNUNET_MESSENGER_MemberInfo);
-
-    info->access = GNUNET_MESSENGER_MEMBER_UNKNOWN;
-    init_list_messages (&(info->session_messages));
-  }
-  else
-    clear_list_messages (&(info->session_messages));
-
-  if (GNUNET_YES == GNUNET_CONTAINER_multishortmap_put (room->member_infos, 
&(message->header.sender_id), info,
-                                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    add_to_list_messages (&(info->session_messages), hash);
-}
-
-void
-handle_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_MemberInfo *info = get_room_member_info (room, 
&(message->header.sender_id));
-
-  if (info)
-    clear_list_messages (&(info->session_messages));
-}
-
-void
-handle_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = get_room_contact (room, 
&(message->header.sender_id));
-
-  if (contact)
-    set_contact_name (contact, message->body.name.name);
-
-  struct GNUNET_MESSENGER_MemberInfo *info = get_room_member_info (room, 
&(message->header.sender_id));
-
-  if (info)
-    add_to_list_messages (&(info->session_messages), hash);
-}
-
-void
-handle_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = get_room_contact (room, 
&(message->header.sender_id));
-
-  if (contact)
-    swap_service_contact_by_pubkey (room->service, contact, 
&(message->body.key.key));
-
-  struct GNUNET_MESSENGER_MemberInfo *info = get_room_member_info (room, 
&(message->header.sender_id));
-
-  if (info)
-    add_to_list_messages (&(info->session_messages), hash);
-}
-
-void
-handle_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  if (GNUNET_NO == contains_list_tunnels (&(room->basement), 
&(message->body.peer.peer)))
-    add_to_list_tunnels (&(room->basement), &(message->body.peer.peer));
-
-  if (room->peer_message)
-    rebuild_room_basement_structure (room);
-}
-
-void
-handle_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_MemberInfo *info = get_room_member_info (room, 
&(message->header.sender_id));
-
-  if (info)
-    add_to_list_messages (&(info->session_messages), hash);
-
-  switch_room_member_id (room, &(message->header.sender_id), 
&(message->body.id.id), hash);
-}
-
-void
-handle_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ListTunnel *element = find_list_tunnels 
(&(room->basement), &(message->body.peer.peer), NULL);
-
-  if (!element)
-    return;
-
-  remove_from_list_tunnels (&(room->basement), element);
-
-  if (room->peer_message)
-    rebuild_room_basement_structure (room);
-}
diff --git a/src/messenger/gnunet-service-messenger_message_handle.h 
b/src/messenger/gnunet-service-messenger_message_handle.h
deleted file mode 100644
index d091e1d11..000000000
--- a/src/messenger/gnunet-service-messenger_message_handle.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_handle.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
-#define GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-
-#include "gnunet-service-messenger_message_kind.h"
-
-#include "gnunet-service-messenger_tunnel.h"
-#include "messenger_api_message.h"
-
-/**
- * Handles a received or sent join message to make changes of current member 
information.
- * (add matching member and clear member info)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message JOIN-Message
- * @param hash Hash of the message
- */
-void
-handle_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent leave message to make changes of current member 
information.
- * (remove matching member and clear member info)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message LEAVE-Message
- * @param hash Hash of the message
- */
-void
-handle_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent name message to rename a current member.
- * (change name of matching member)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message NAME-Message
- * @param hash Hash of the message
- */
-void
-handle_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent key message to change the key of a member and 
rearrange the contacts accordingly.
- * (move the member in the contacts and change its key)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message KEY-Message
- * @param hash Hash of the message
- */
-void
-handle_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent peer message to make changes of the basement in 
the room.
- * (add a new peer to the basement and restructure connections based on 
updated list of peers)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message PEER-Message
- * @param hash Hash of the message
- */
-void
-handle_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent id message to change a members id.
- * (change id of matching member)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message ID-Message
- * @param hash Hash of the message
- */
-void
-handle_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received or sent miss message to drop a peer from the basement in 
the room.
- * (remove a peer from the basement and restructure connections based on 
updated list of peers)
- *
- * @param room Room of the message
- * @param tunnel Receiving/sending connection (may be NULL)
- * @param message MISS-Message
- * @param hash Hash of the message
- */
-void
-handle_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                     struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
diff --git a/src/messenger/gnunet-service-messenger_message_kind.c 
b/src/messenger/gnunet-service-messenger_message_kind.c
deleted file mode 100644
index 9c829fe09..000000000
--- a/src/messenger/gnunet-service-messenger_message_kind.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_kind.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_message_kind.h"
-#include "gnunet-service-messenger_util.h"
-
-struct GNUNET_MESSENGER_Message*
-create_message_info (struct GNUNET_MESSENGER_Ego *ego, struct 
GNUNET_CONTAINER_MultiShortmap *members)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_INFO);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.info.host_key), &(ego->pub), sizeof(ego->pub));
-
-  if (GNUNET_YES == generate_free_member_id (&(message->body.info.unique_id), 
members))
-    return message;
-  else
-  {
-    destroy_message (message);
-    return NULL;
-  }
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_join (struct GNUNET_MESSENGER_Ego *ego)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_JOIN);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.join.key), &(ego->pub), sizeof(ego->pub));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_leave ()
-{
-  return create_message (GNUNET_MESSENGER_KIND_LEAVE);
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_name (const char *name)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_NAME);
-
-  if (!message)
-    return NULL;
-
-  message->body.name.name = GNUNET_strdup(name);
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_key (const struct GNUNET_IDENTITY_PrivateKey *key)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_KEY);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_IDENTITY_key_get_public (key, &(message->body.key.key));
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_peer (const struct GNUNET_MESSENGER_Service *service)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_PEER);
-
-  if (!message)
-    return NULL;
-
-  if (GNUNET_OK == get_service_peer_identity (service, 
&(message->body.peer.peer)))
-    return message;
-  else
-  {
-    destroy_message (message);
-    return NULL;
-  }
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_id (const struct GNUNET_ShortHashCode *unique_id)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_ID);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.id.id), unique_id, sizeof(struct 
GNUNET_ShortHashCode));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_miss (const struct GNUNET_PeerIdentity *peer)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_MISS);
-
-  if (!message)
-  {
-    return NULL;
-  }
-
-  GNUNET_memcpy(&(message->body.miss.peer), peer, sizeof(struct 
GNUNET_PeerIdentity));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_merge (const struct GNUNET_HashCode *previous)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_MERGE);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.merge.previous), previous, sizeof(struct 
GNUNET_HashCode));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_request (const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_HashCode zero;
-  memset (&zero, 0, sizeof(zero));
-
-  if (0 == GNUNET_CRYPTO_hash_cmp (hash, &zero))
-    return NULL;
-
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_REQUEST);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.request.hash), hash, sizeof(struct 
GNUNET_HashCode));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_invite (const struct GNUNET_PeerIdentity *door, const struct 
GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_INVITE);
-
-  if (!message)
-    return NULL;
-
-  GNUNET_memcpy(&(message->body.invite.door), door, sizeof(struct 
GNUNET_PeerIdentity));
-  GNUNET_memcpy(&(message->body.invite.key), key, sizeof(struct 
GNUNET_HashCode));
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-create_message_text (const char *text)
-{
-  struct GNUNET_MESSENGER_Message *message = create_message 
(GNUNET_MESSENGER_KIND_TEXT);
-
-  if (!message)
-    return NULL;
-
-  message->body.text.text = GNUNET_strdup(text);
-  return message;
-}
diff --git a/src/messenger/gnunet-service-messenger_message_kind.h 
b/src/messenger/gnunet-service-messenger_message_kind.h
deleted file mode 100644
index dd89d0b2f..000000000
--- a/src/messenger/gnunet-service-messenger_message_kind.h
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_kind.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
-#define GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
-
-#include "platform.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-
-#include "messenger_api_message.h"
-#include "gnunet-service-messenger_service.h"
-#include "messenger_api_ego.h"
-
-/**
- * Creates and allocates a new info message containing the hosts public key 
and a newly generated unique member id.
- * (all values are stored as copy)
- *
- * @param ego EGO of the host
- * @param members Map of all assigned member ids
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_info (struct GNUNET_MESSENGER_Ego *ego, struct 
GNUNET_CONTAINER_MultiShortmap *members);
-
-/**
- * Creates and allocates a new join message containing the clients public key.
- * (all values are stored as copy)
- *
- * @param ego EGO of the client
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_join (struct GNUNET_MESSENGER_Ego *ego);
-
-/**
- * Creates and allocates a new leave message.
- *
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_leave ();
-
-/**
- * Creates and allocates a new name message containing the <i>name</i> to 
change to.
- * (all values are stored as copy)
- *
- * @param name New name
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_name (const char *name);
-
-/**
- * Creates and allocates a new key message containing the public key to change 
to derived
- * from its private counterpart. (all values are stored as copy)
- *
- * @param key Private key of EGO
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_key (const struct GNUNET_IDENTITY_PrivateKey *key);
-
-/**
- * Creates and allocates a new peer message containing a services peer 
identity.
- * (all values are stored as copy)
- *
- * @param service Service
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_peer (const struct GNUNET_MESSENGER_Service *service);
-
-/**
- * Creates and allocates a new id message containing the unique member id to 
change to.
- * (all values are stored as copy)
- *
- * @param unique_id Unique member id
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_id (const struct GNUNET_ShortHashCode *unique_id);
-
-/**
- * Creates and allocates a new miss message containing the missing peer 
identity.
- * (all values are stored as copy)
- *
- * @param peer Missing peer identity
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_miss (const struct GNUNET_PeerIdentity *peer);
-
-/**
- * Creates and allocates a new merge message containing the hash of a second 
previous message
- * besides the regular previous message mentioned in a messages header.
- * (all values are stored as copy)
- *
- * @param previous Hash of message
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_merge (const struct GNUNET_HashCode *previous);
-
-/**
- * Creates and allocates a new request message containing the hash of a 
missing message.
- * (all values are stored as copy)
- *
- * @param hash Hash of message
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_request (const struct GNUNET_HashCode *hash);
-
-/**
- * Creates and allocates a new invite message containing the peer identity of 
an entrance peer
- * to a room using a given <i>key</i> as shared secret for communication.
- * (all values are stored as copy)
- *
- * @param door Peer identity
- * @param key Shared secret of a room
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_invite (const struct GNUNET_PeerIdentity *door, const struct 
GNUNET_HashCode *key);
-
-/**
- * Creates and allocates a new text message containing a string representing 
text.
- * (all values are stored as copy)
- *
- * @param text Text
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message_text (const char *text);
-
-#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
diff --git a/src/messenger/gnunet-service-messenger_message_recv.c 
b/src/messenger/gnunet-service-messenger_message_recv.c
deleted file mode 100644
index aa28a36ea..000000000
--- a/src/messenger/gnunet-service-messenger_message_recv.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_recv.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_message_recv.h"
-#include "gnunet-service-messenger_message_handle.h"
-
-void
-recv_message_info (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  int conflict = GNUNET_CONTAINER_multishortmap_contains (room->members, 
&(message->body.info.unique_id));
-
-  if (GNUNET_NO == conflict)
-  {
-    struct GNUNET_MESSENGER_Message *sync_message = create_message_id 
(&(message->body.info.unique_id));
-    struct GNUNET_HashCode sync_hash;
-
-    send_room_message_ext (room, room->host, sync_message, &sync_hash, tunnel);
-    destroy_message (sync_message);
-
-    switch_room_member_id (room, get_room_host_id (room), 
&(message->body.info.unique_id), NULL);
-
-    change_room_host_id (room, &(message->body.info.unique_id));
-  }
-
-  if (!tunnel->contact_id)
-    tunnel->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
-  GNUNET_memcpy(tunnel->contact_id, &(message->header.sender_id), 
sizeof(struct GNUNET_ShortHashCode));
-
-  struct GNUNET_ShortHashCode original_id;
-
-  if (GNUNET_YES == conflict)
-  {
-    GNUNET_memcpy(&original_id, get_room_host_id (room), sizeof(struct 
GNUNET_ShortHashCode));
-
-    change_room_host_id (room, &(message->body.info.unique_id));
-  }
-
-  {
-    struct GNUNET_MESSENGER_Message *join_message = create_message_join 
(room->host->ego);
-    struct GNUNET_HashCode join_hash;
-
-    send_tunnel_message (tunnel, room->host, join_message, &join_hash);
-    destroy_message (join_message);
-  }
-
-  if ((GNUNET_YES == conflict) && (0 != GNUNET_memcmp(&original_id, 
get_room_host_id (room))))
-  {
-    struct GNUNET_MESSENGER_Message *sync_message = create_message_id 
(&original_id);
-    struct GNUNET_HashCode sync_hash;
-
-    send_tunnel_message (tunnel, room->host, sync_message, &sync_hash);
-    destroy_message (sync_message);
-  }
-}
-
-struct GNUNET_MESSENGER_MemberInfoSpread
-{
-  struct GNUNET_MESSENGER_SrvRoom *room;
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel;
-};
-
-static int
-iterate_send_member_infos (void *cls, const struct GNUNET_ShortHashCode *key, 
void *value)
-{
-  struct GNUNET_MESSENGER_MemberInfo *info = value;
-  struct GNUNET_MESSENGER_MemberInfoSpread *spread = cls;
-
-  struct GNUNET_MESSENGER_ListMessage *element = info->session_messages.head;
-
-  while (element)
-  {
-    const struct GNUNET_MESSENGER_Message *message = get_room_message 
(spread->room, spread->room->host,
-                                                                       
&(element->hash), GNUNET_NO);
-
-    if (message)
-      forward_tunnel_message (spread->tunnel, message, &(element->hash));
-
-    element = element->next;
-  }
-
-  return GNUNET_YES;
-}
-
-void
-recv_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  const struct GNUNET_MESSENGER_Message *info_msg = get_room_message (room, 
room->host, &(message->header.previous),
-                                                                      
GNUNET_NO);
-
-  if ((info_msg) && (0 == GNUNET_memcmp(&(info_msg->header.sender_id), 
get_room_host_id (room)))
-      && (GNUNET_MESSENGER_KIND_INFO == info_msg->header.kind))
-  {
-    struct GNUNET_MESSENGER_MemberInfoSpread spread;
-
-    spread.room = room;
-
-    if ((tunnel) && (tunnel->contact_id) && (0 == 
GNUNET_memcmp(tunnel->contact_id, &(message->header.sender_id))))
-      spread.tunnel = tunnel;
-    else
-      spread.tunnel = find_room_tunnel_to (room, &(message->header.sender_id));
-
-    if (spread.tunnel)
-      GNUNET_CONTAINER_multishortmap_iterate (room->member_infos, 
iterate_send_member_infos, &spread);
-  }
-
-  handle_message_join (room, tunnel, message, hash);
-}
-
-void
-recv_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  handle_message_leave (room, tunnel, message, hash);
-}
-
-void
-recv_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  handle_message_name (room, tunnel, message, hash);
-}
-
-void
-recv_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                  struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  handle_message_key (room, tunnel, message, hash);
-}
-
-void
-recv_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_PeerIdentity peer;
-  GNUNET_PEER_resolve (tunnel->peer, &peer);
-
-  if (0 == GNUNET_memcmp(&peer, &(message->body.peer.peer)))
-  {
-    if (!tunnel->peer_message)
-      tunnel->peer_message = GNUNET_new(struct GNUNET_HashCode);
-
-    GNUNET_memcpy(tunnel->peer_message, hash, sizeof(struct GNUNET_HashCode));
-
-    if (!tunnel->contact_id)
-      tunnel->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
-    GNUNET_memcpy(tunnel->contact_id, &(message->header.sender_id), 
sizeof(struct GNUNET_ShortHashCode));
-  }
-
-  handle_message_peer (room, tunnel, message, hash);
-}
-
-void
-recv_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                 struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  if ((tunnel->contact_id) && (0 == GNUNET_memcmp(tunnel->contact_id, 
&(message->header.sender_id))))
-    GNUNET_memcpy(tunnel->contact_id, &(message->body.id.id), sizeof(struct 
GNUNET_ShortHashCode));
-
-  handle_message_id (room, tunnel, message, hash);
-}
-
-void
-recv_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  handle_message_miss (room, tunnel, message, hash);
-}
-
-void
-recv_message_request (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  const struct GNUNET_MESSENGER_Message *msg = get_room_message (room, 
room->host, &(message->body.request.hash),
-                                                                 GNUNET_NO);
-
-  if (msg)
-    forward_tunnel_message (tunnel, msg, &(message->body.request.hash));
-}
diff --git a/src/messenger/gnunet-service-messenger_message_recv.h 
b/src/messenger/gnunet-service-messenger_message_recv.h
deleted file mode 100644
index 245612cb0..000000000
--- a/src/messenger/gnunet-service-messenger_message_recv.h
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_recv.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_RECV_H
-#define GNUNET_SERVICE_MESSENGER_MESSAGE_RECV_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-
-#include "gnunet-service-messenger_tunnel.h"
-#include "messenger_api_message.h"
-
-/**
- * Handles a received info message to change the current member id to the one 
generated by
- * the host connected to. (all current tunnels will be informed about the id 
change)
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message INFO-Message
- * @param hash Hash of the message
- */
-void
-recv_message_info (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received join message to forward all member information to the 
new member if the message was
- * the direct reaction to a previous info message from this peer.
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message JOIN-Message
- * @param hash Hash of the message
- */
-void
-recv_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received leave message.
- * @see handle_message_leave()
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message LEAVE-Message
- * @param hash Hash of the message
- */
-void
-recv_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received name message.
- * @see handle_message_name()
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message NAME-Message
- * @param hash Hash of the message
- */
-void
-recv_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received key message.
- * @see handle_message_key()
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message KEY-Message
- * @param hash Hash of the message
- */
-void
-recv_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                  struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received peer message to link it to its origin tunnel if the peer 
identity matches.
- * (the peer message and the member id can potentially be linked to the tunnel)
- *
- * TODO: This handling will only check the one given tunnel!
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message PEER-Message
- * @param hash Hash of the message
- */
-void
-recv_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received id message to change the tunnels linked member id if 
necessary.
- * (the tunnels linked member id will be changed if the sender id is matching)
- *
- * TODO: This handling will only check the one given tunnel!
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message ID-Message
- * @param hash Hash of the message
- */
-void
-recv_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                 struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received miss message.
- * @see handle_message_miss()
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message MISS-Message
- * @param hash Hash of the message
- */
-void
-recv_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                   struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a received request message by checking for the requested message 
and forwarding it back
- * if the message was found.
- * (this can also cause this peer to send a new request instead of only 
forwarding the received one)
- *
- * TODO: Requests can cause exponentially more requests!
- *
- * @param room Room of the message
- * @param tunnel Receiving connection
- * @param message REQUEST-Message
- * @param hash Hash of the message
- */
-void
-recv_message_request (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_RECV_H
diff --git a/src/messenger/gnunet-service-messenger_message_send.c 
b/src/messenger/gnunet-service-messenger_message_send.c
deleted file mode 100644
index 86cf9b888..000000000
--- a/src/messenger/gnunet-service-messenger_message_send.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_send.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_message_send.h"
-#include "gnunet-service-messenger_message_handle.h"
-
-void
-send_message_info (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  if (!tunnel->contact_id)
-  {
-    tunnel->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
-    GNUNET_memcpy(tunnel->contact_id, &(message->body.info.unique_id), 
sizeof(struct GNUNET_ShortHashCode));
-  }
-  else
-  {
-    disconnect_tunnel (tunnel);
-  }
-}
-
-void
-send_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  handle_message_join (room, tunnel, message, hash);
-
-  if (room->peer_message)
-  {
-    const struct GNUNET_MESSENGER_Message *peer_message = get_room_message 
(room, handle, room->peer_message,
-                                                                            
GNUNET_NO);
-
-    if ((peer_message) && (tunnel))
-    {
-      forward_tunnel_message (tunnel, peer_message, room->peer_message);
-    }
-  }
-}
-
-void
-send_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                    const struct GNUNET_HashCode *hash)
-{
-  handle_message_leave (room, tunnel, message, hash);
-}
-
-void
-send_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  handle_message_name (room, tunnel, message, hash);
-}
-
-void
-send_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                  struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                  const struct GNUNET_HashCode *hash)
-{
-  handle_message_key (room, tunnel, message, hash);
-}
-
-void
-send_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  if (!room->peer_message)
-  {
-    room->peer_message = GNUNET_new(struct GNUNET_HashCode);
-  }
-
-  GNUNET_memcpy(room->peer_message, hash, sizeof(struct GNUNET_HashCode));
-
-  handle_message_peer (room, tunnel, message, hash);
-}
-
-void
-send_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                 struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                 const struct GNUNET_HashCode *hash)
-{
-  handle_message_id (room, tunnel, message, hash);
-}
-
-void
-send_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  handle_message_miss (room, tunnel, message, hash);
-}
diff --git a/src/messenger/gnunet-service-messenger_message_send.h 
b/src/messenger/gnunet-service-messenger_message_send.h
deleted file mode 100644
index c1096205a..000000000
--- a/src/messenger/gnunet-service-messenger_message_send.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_send.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_SEND_H
-#define GNUNET_SERVICE_MESSENGER_MESSAGE_SEND_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-
-#include "gnunet-service-messenger_tunnel.h"
-#include "messenger_api_message.h"
-
-/**
- * Handles a sent info message to setup a tunnels linked member id.
- * (if a tunnel has already got a member id linked to it, the connection will 
be closed)
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message INFO-Message
- * @param hash Hash of the message
- */
-void
-send_message_info (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent join message to ensure growth of the decentralized room 
structure.
- * (if the service provides a peer message for this room currently, it will be 
forwarded)
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message JOIN-Message
- * @param hash Hash of the message
- */
-void
-send_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent leave message.
- * @see handle_message_leave()
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message LEAVE-Message
- * @param hash Hash of the message
- */
-void
-send_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                    const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent name message.
- * @see handle_message_name()
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message NAME-Message
- * @param hash Hash of the message
- */
-void
-send_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent key message.
- * @see handle_message_key()
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message KEY-Message
- * @param hash Hash of the message
- */
-void
-send_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                  struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                  const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent peer message to update the rooms peer message of this 
service.
- * (a set peer message indicates this service being a part of the 
decentralized room structure)
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message PEER-Message
- * @param hash Hash of the message
- */
-void
-send_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent id message.
- * @see handle_message_id()
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message ID-Message
- * @param hash Hash of the message
- */
-void
-send_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                 struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                 const struct GNUNET_HashCode *hash);
-
-/**
- * Handles a sent miss message.
- * @see handle_message_miss()
- *
- * @param room Room of the message
- * @param handle Sending handle
- * @param tunnel Sending connection (may be NULL)
- * @param message MISS-Message
- * @param hash Hash of the message
- */
-void
-send_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash);
-
-#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_SEND_H
diff --git a/src/messenger/gnunet-service-messenger_message_store.c 
b/src/messenger/gnunet-service-messenger_message_store.c
deleted file mode 100644
index 5933d6390..000000000
--- a/src/messenger/gnunet-service-messenger_message_store.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_store.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_message_store.h"
-#include "messenger_api_message.h"
-
-void
-init_message_store (struct GNUNET_MESSENGER_MessageStore *store)
-{
-  store->storage_messages = NULL;
-
-  store->entries = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-  store->messages = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-}
-
-static int
-iterate_destroy_entries (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_MessageEntry *entry = value;
-
-  GNUNET_free(entry);
-
-  return GNUNET_YES;
-}
-
-static int
-iterate_destroy_messages (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_Message *message = value;
-
-  destroy_message (message);
-
-  return GNUNET_YES;
-}
-
-void
-clear_message_store (struct GNUNET_MESSENGER_MessageStore *store)
-{
-  if (store->storage_messages)
-  {
-    GNUNET_DISK_file_close (store->storage_messages);
-
-    store->storage_messages = NULL;
-  }
-
-  GNUNET_CONTAINER_multihashmap_iterate (store->entries, 
iterate_destroy_entries, NULL);
-  GNUNET_CONTAINER_multihashmap_iterate (store->messages, 
iterate_destroy_messages, NULL);
-
-  GNUNET_CONTAINER_multihashmap_destroy (store->entries);
-  GNUNET_CONTAINER_multihashmap_destroy (store->messages);
-}
-
-struct GNUNET_MESSENGER_MessageEntryStorage
-{
-  struct GNUNET_HashCode hash;
-  struct GNUNET_MESSENGER_MessageEntry entry;
-};
-
-void
-load_message_store (struct GNUNET_MESSENGER_MessageStore *store, const char 
*directory)
-{
-  enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ 
| GNUNET_DISK_PERM_USER_WRITE);
-
-  if (store->storage_messages)
-    GNUNET_DISK_file_close (store->storage_messages);
-
-  char *filename;
-  GNUNET_asprintf (&filename, "%s%s", directory, "messages.store");
-
-  if (GNUNET_YES == GNUNET_DISK_file_test (filename))
-    store->storage_messages = GNUNET_DISK_file_open (filename, 
GNUNET_DISK_OPEN_READ, permission);
-  else
-    store->storage_messages = NULL;
-
-  GNUNET_free(filename);
-
-  if (!store->storage_messages)
-    return;
-
-  GNUNET_asprintf (&filename, "%s%s", directory, "entries.store");
-
-  if (GNUNET_YES != GNUNET_DISK_file_test (filename))
-    goto free_filename;
-
-  struct GNUNET_DISK_FileHandle *entries = GNUNET_DISK_file_open (filename, 
GNUNET_DISK_OPEN_READ, permission);
-
-  if (!entries)
-    goto free_filename;
-
-  struct GNUNET_MESSENGER_MessageEntryStorage storage;
-  struct GNUNET_MESSENGER_MessageEntry *entry;
-
-  do
-  {
-    entry = GNUNET_new(struct GNUNET_MESSENGER_MessageEntry);
-
-    if (GNUNET_DISK_file_read (entries, &storage, sizeof(storage)) == 
sizeof(storage))
-    {
-      GNUNET_memcpy(entry, &(storage.entry), sizeof(*entry));
-
-      if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (store->entries, 
&(storage.hash), entry,
-                                                          
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-        GNUNET_free(entry);
-    }
-    else
-    {
-      GNUNET_free(entry);
-
-      entry = NULL;
-    }
-  }
-  while (entry);
-
-  GNUNET_DISK_file_close (entries);
-
-free_filename:
-  GNUNET_free(filename);
-}
-
-struct GNUNET_MESSENGER_MessageSave
-{
-  struct GNUNET_MESSENGER_MessageStore *store;
-
-  struct GNUNET_DISK_FileHandle *storage_entries;
-};
-
-static int
-iterate_save_messages (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_MessageSave *save = cls;
-
-  if (GNUNET_NO != GNUNET_CONTAINER_multihashmap_contains 
(save->store->entries, key))
-    return GNUNET_YES;
-
-  struct GNUNET_MESSENGER_Message *message = value;
-  struct GNUNET_MESSENGER_MessageEntryStorage storage;
-
-  GNUNET_memcpy(&(storage.hash), key, sizeof(storage.hash));
-
-  storage.entry.length = get_message_size (message);
-  storage.entry.offset = GNUNET_DISK_file_seek (save->store->storage_messages, 
0, GNUNET_DISK_SEEK_END);
-
-  if ((GNUNET_SYSERR == storage.entry.offset) ||
-      (sizeof(storage) != GNUNET_DISK_file_write (save->storage_entries, 
&storage, sizeof(storage))))
-    return GNUNET_YES;
-
-  char *buffer = GNUNET_malloc(storage.entry.length);
-
-  encode_message (message, storage.entry.length, buffer);
-
-  GNUNET_DISK_file_write (save->store->storage_messages, buffer, 
storage.entry.length);
-
-  GNUNET_free(buffer);
-
-  return GNUNET_YES;
-}
-
-void
-save_message_store (struct GNUNET_MESSENGER_MessageStore *store, const char 
*directory)
-{
-  struct GNUNET_MESSENGER_MessageSave save;
-
-  enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ 
| GNUNET_DISK_PERM_USER_WRITE);
-
-  char *filename;
-  GNUNET_asprintf (&filename, "%s%s", directory, "entries.store");
-
-  save.store = store;
-  save.storage_entries = GNUNET_DISK_file_open (filename, 
GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE, permission);
-
-  GNUNET_free(filename);
-
-  if (!save.storage_entries)
-    return;
-
-  if (GNUNET_SYSERR == GNUNET_DISK_file_seek (save.storage_entries, 0, 
GNUNET_DISK_SEEK_END))
-    goto close_entries;
-
-  if (store->storage_messages)
-    GNUNET_DISK_file_close (store->storage_messages);
-
-  GNUNET_asprintf (&filename, "%s%s", directory, "messages.store");
-
-  store->storage_messages = GNUNET_DISK_file_open (filename, 
GNUNET_DISK_OPEN_READWRITE | GNUNET_DISK_OPEN_CREATE,
-                                                   permission);
-
-  GNUNET_free(filename);
-
-  if (store->storage_messages)
-  {
-    GNUNET_CONTAINER_multihashmap_iterate (store->messages, 
iterate_save_messages, &save);
-
-    GNUNET_DISK_file_sync (store->storage_messages);
-    GNUNET_DISK_file_sync (save.storage_entries);
-  }
-
-close_entries:
-  GNUNET_DISK_file_close (save.storage_entries);
-}
-
-int
-contains_store_message (struct GNUNET_MESSENGER_MessageStore *store, const 
struct GNUNET_HashCode *hash)
-{
-  if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (store->messages, 
hash))
-    return GNUNET_YES;
-
-  return GNUNET_CONTAINER_multihashmap_contains (store->entries, hash);
-}
-
-const struct GNUNET_MESSENGER_Message*
-get_store_message (struct GNUNET_MESSENGER_MessageStore *store, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Message *message = GNUNET_CONTAINER_multihashmap_get 
(store->messages, hash);
-
-  if (message)
-    return message;
-
-  if (!store->storage_messages)
-    return NULL;
-
-  const struct GNUNET_MESSENGER_MessageEntry *entry = 
GNUNET_CONTAINER_multihashmap_get (store->entries, hash);
-
-  if (!entry)
-    return NULL;
-
-  if (entry->offset != GNUNET_DISK_file_seek (store->storage_messages, 
entry->offset, GNUNET_DISK_SEEK_SET))
-    return message;
-
-  char *buffer = GNUNET_malloc(entry->length);
-
-  if (GNUNET_DISK_file_read (store->storage_messages, buffer, entry->length) 
!= entry->length)
-    goto free_buffer;
-
-
-  message = create_message (GNUNET_MESSENGER_KIND_UNKNOWN);
-
-  if ((GNUNET_YES != decode_message (message, entry->length, buffer)) || 
(GNUNET_OK
-      != GNUNET_CONTAINER_multihashmap_put (store->messages, hash, message,
-                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-  {
-    destroy_message (message);
-
-    message = NULL;
-
-    GNUNET_CONTAINER_multihashmap_remove (store->entries, hash, entry);
-  }
-
-free_buffer:
-  GNUNET_free(buffer);
-
-  return message;
-}
-
-int
-put_store_message (struct GNUNET_MESSENGER_MessageStore *store, const struct 
GNUNET_HashCode *hash,
-                   struct GNUNET_MESSENGER_Message *message)
-{
-  return GNUNET_CONTAINER_multihashmap_put (store->messages, hash, message,
-                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-}
diff --git a/src/messenger/gnunet-service-messenger_message_store.h 
b/src/messenger/gnunet-service-messenger_message_store.h
deleted file mode 100644
index e58459b21..000000000
--- a/src/messenger/gnunet-service-messenger_message_store.h
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_message_store.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_STORE_H
-#define GNUNET_SERVICE_MESSENGER_MESSAGE_STORE_H
-
-#include "platform.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_disk_lib.h"
-
-struct GNUNET_MESSENGER_MessageEntry
-{
-  off_t offset;
-  uint16_t length;
-};
-
-struct GNUNET_MESSENGER_MessageStore
-{
-  struct GNUNET_DISK_FileHandle *storage_messages;
-
-  struct GNUNET_CONTAINER_MultiHashMap *entries;
-  struct GNUNET_CONTAINER_MultiHashMap *messages;
-};
-
-/**
- * Initializes a message store as fully empty.
- *
- * @param store Message store
- */
-void
-init_message_store (struct GNUNET_MESSENGER_MessageStore *store);
-
-/**
- * Clears a message store, wipes its content and deallocates its memory.
- *
- * @param store Message store
- */
-void
-clear_message_store (struct GNUNET_MESSENGER_MessageStore *store);
-
-/**
- * Loads messages from a directory into a message store.
- *
- * @param store Message store
- * @param directory Path to a directory
- */
-void
-load_message_store (struct GNUNET_MESSENGER_MessageStore *store, const char 
*directory);
-
-/**
- * Saves messages from a message store into a directory.
- *
- * @param store Message store
- * @param directory Path to a directory
- */
-void
-save_message_store (struct GNUNET_MESSENGER_MessageStore *store, const char 
*directory);
-
-/**
- * Checks if a message matching a given <i>hash</i> is stored in a message 
store. The function returns
- * GNUNET_YES if a match is found, GNUNET_NO otherwise.
- *
- * The message has not to be loaded from disk into memory for this check!
- *
- * @param store Message store
- * @param hash Hash of message
- * @return GNUNET_YES on match, otherwise GNUNET_NO
- */
-int
-contains_store_message (struct GNUNET_MESSENGER_MessageStore *store, const 
struct GNUNET_HashCode *hash);
-
-/**
- * Returns the message from a message store matching a given <i>hash</i>. If 
no matching message is found,
- * NULL gets returned.
- *
- * This function requires the message to be loaded into memory!
- * @see contains_store_message()
- *
- * @param store Message store
- * @param hash Hash of message
- * @return Message or NULL
- */
-const struct GNUNET_MESSENGER_Message*
-get_store_message (struct GNUNET_MESSENGER_MessageStore *store, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Stores a message into the message store. The result indicates if the 
operation was successful.
- *
- * @param store Message store
- * @param hash Hash of message
- * @param message Message
- * @return GNUNET_OK on success, otherwise GNUNET_NO
- */
-int
-put_store_message (struct GNUNET_MESSENGER_MessageStore *store, const struct 
GNUNET_HashCode *hash,
-                   struct GNUNET_MESSENGER_Message *message);
-
-#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_STORE_H
diff --git a/src/messenger/gnunet-service-messenger_room.c 
b/src/messenger/gnunet-service-messenger_room.c
deleted file mode 100644
index 7383e1d20..000000000
--- a/src/messenger/gnunet-service-messenger_room.c
+++ /dev/null
@@ -1,1051 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_room.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_room.h"
-
-#include "gnunet-service-messenger_message_kind.h"
-
-#include "gnunet-service-messenger_service.h"
-#include "gnunet-service-messenger_util.h"
-
-static void
-idle_request_room_messages (void *cls);
-
-struct GNUNET_MESSENGER_SrvRoom*
-create_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key)
-{
-  GNUNET_assert((handle) && (key));
-
-  struct GNUNET_MESSENGER_SrvRoom *room = GNUNET_new(struct 
GNUNET_MESSENGER_SrvRoom);
-
-  room->service = handle->service;
-  room->host = handle;
-  room->port = NULL;
-
-  GNUNET_memcpy(&(room->key), key, sizeof(struct GNUNET_HashCode));
-
-  room->tunnels = GNUNET_CONTAINER_multipeermap_create (8, GNUNET_NO);
-  room->members = GNUNET_CONTAINER_multishortmap_create (8, GNUNET_NO);
-  room->member_infos = GNUNET_CONTAINER_multishortmap_create (8, GNUNET_NO);
-
-  init_message_store (&(room->store));
-  room->requested = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  init_list_tunnels (&(room->basement));
-  init_list_messages (&(room->last_messages));
-
-  room->peer_message = NULL;
-
-  init_list_messages (&(room->handling));
-  room->idle = NULL;
-
-  room->strict_access = GNUNET_NO;
-
-  if (room->service->dir)
-    load_service_room_and_messages (room->service, room);
-
-  room->idle = GNUNET_SCHEDULER_add_with_priority 
(GNUNET_SCHEDULER_PRIORITY_IDLE, idle_request_room_messages, room);
-
-  return room;
-}
-
-static int
-iterate_destroy_tunnels (void *cls, const struct GNUNET_PeerIdentity *key, 
void *value)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = value;
-  destroy_tunnel (tunnel);
-  return GNUNET_YES;
-}
-
-static int
-iterate_clear_members (void *cls, const struct GNUNET_ShortHashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = value;
-
-  if (GNUNET_YES == decrease_contact_rc (contact))
-  {
-    struct GNUNET_MESSENGER_SrvRoom *room = cls;
-
-    const struct GNUNET_HashCode *id = get_contact_id_from_key (contact);
-
-    if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove 
(room->service->contacts, id, contact))
-      destroy_contact (contact);
-  }
-
-  return GNUNET_YES;
-}
-
-static int
-iterate_destroy_member_infos (void *cls, const struct GNUNET_ShortHashCode 
*key, void *value)
-{
-  struct GNUNET_MESSENGER_MemberInfo *info = value;
-
-  clear_list_messages (&(info->session_messages));
-
-  GNUNET_free(info);
-  return GNUNET_YES;
-}
-
-void
-destroy_room (struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  GNUNET_assert(room);
-
-  if (room->idle)
-  {
-    GNUNET_SCHEDULER_cancel (room->idle);
-
-    room->idle = NULL;
-  }
-
-  if (room->port)
-    GNUNET_CADET_close_port (room->port);
-
-  merge_room_last_messages (room, room->host);
-
-  GNUNET_CONTAINER_multipeermap_iterate (room->tunnels, 
iterate_destroy_tunnels,
-  NULL);
-
-  handle_room_messages (room);
-
-  if (room->service->dir)
-    save_service_room_and_messages (room->service, room);
-
-  GNUNET_CONTAINER_multishortmap_iterate (room->members, 
iterate_clear_members, room);
-  GNUNET_CONTAINER_multishortmap_iterate (room->member_infos, 
iterate_destroy_member_infos, NULL);
-
-  clear_message_store (&(room->store));
-
-  GNUNET_CONTAINER_multihashmap_destroy (room->requested);
-
-  GNUNET_CONTAINER_multipeermap_destroy (room->tunnels);
-  GNUNET_CONTAINER_multishortmap_destroy (room->members);
-  GNUNET_CONTAINER_multishortmap_destroy (room->member_infos);
-
-  clear_list_tunnels (&(room->basement));
-  clear_list_messages (&(room->last_messages));
-
-  if (room->peer_message)
-    GNUNET_free(room->peer_message);
-
-  GNUNET_free(room);
-}
-
-struct GNUNET_MESSENGER_SrvContact*
-get_room_contact (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id)
-{
-  GNUNET_assert((room) && (room->members));
-
-  return GNUNET_CONTAINER_multishortmap_get (room->members, id);
-}
-
-void
-add_room_contact (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id,
-                  const struct GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = get_service_contact_by_pubkey 
(room->service, pubkey);
-
-  if (GNUNET_OK == GNUNET_CONTAINER_multishortmap_put (room->members, id, 
contact,
-                                                       
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    increase_contact_rc (contact);
-}
-
-struct GNUNET_MESSENGER_MemberInfo*
-get_room_member_info (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id)
-{
-  GNUNET_assert((room) && (room->member_infos));
-
-  return GNUNET_CONTAINER_multishortmap_get (room->member_infos, id);
-}
-
-struct GNUNET_ShortHashCode*
-generate_room_member_id (const struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  struct GNUNET_ShortHashCode *unique_id = GNUNET_new(struct 
GNUNET_ShortHashCode);
-
-  GNUNET_assert(room);
-
-  if (GNUNET_YES == generate_free_member_id (unique_id, room->members))
-    return unique_id;
-  else
-  {
-    GNUNET_free(unique_id);
-    return NULL;
-  }
-}
-
-const struct GNUNET_ShortHashCode*
-get_room_host_id (const struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  GNUNET_assert(room);
-
-  return get_handle_member_id (room->host, &(room->key));
-}
-
-void
-change_room_host_id (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *unique_id)
-{
-  GNUNET_assert(room);
-
-  change_handle_member_id (room->host, &(room->key), unique_id);
-}
-
-static int
-send_room_info (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  if (!handle)
-    return GNUNET_NO;
-
-  merge_room_last_messages (room, handle);
-
-  if (!is_tunnel_connected (tunnel))
-    return GNUNET_NO;
-
-  struct GNUNET_MESSENGER_Message *message = create_message_info 
(get_handle_ego(handle), room->members);
-
-  if (!message)
-    return GNUNET_NO;
-
-  if ((tunnel->peer_message) && (tunnel->contact_id))
-  {
-    GNUNET_memcpy(&(message->body.info.unique_id), &(tunnel->contact_id), 
sizeof(struct GNUNET_ShortHashCode));
-    GNUNET_free(tunnel->contact_id);
-
-    tunnel->contact_id = NULL;
-  }
-
-  struct GNUNET_HashCode hash;
-
-  send_tunnel_message (tunnel, handle, message, &hash);
-  destroy_message (message);
-
-  if (tunnel->contact_id)
-  {
-    GNUNET_free(tunnel->contact_id);
-
-    tunnel->contact_id = NULL;
-  }
-
-  return GNUNET_YES;
-}
-
-static void*
-callback_room_connect (void *cls, struct GNUNET_CADET_Channel *channel, const 
struct GNUNET_PeerIdentity *source)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = cls;
-
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = 
GNUNET_CONTAINER_multipeermap_get (room->tunnels, source);
-
-  if (tunnel)
-  {
-    if (GNUNET_YES == bind_tunnel (tunnel, channel))
-    {
-      if (GNUNET_YES == send_room_info (room, room->host, tunnel))
-        return tunnel;
-      else
-      {
-        disconnect_tunnel (tunnel);
-        return NULL;
-      }
-    }
-    else
-    {
-      delayed_disconnect_channel (channel);
-      return NULL;
-    }
-  }
-  else
-  {
-    tunnel = create_tunnel (room, source);
-
-    if ((GNUNET_YES == bind_tunnel (tunnel, channel)) && (GNUNET_OK
-        == GNUNET_CONTAINER_multipeermap_put (room->tunnels, source, tunnel,
-                                              
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-    {
-      if (GNUNET_YES == send_room_info (room, room->host, tunnel))
-        return tunnel;
-      else
-      {
-        GNUNET_CONTAINER_multipeermap_remove (room->tunnels, source, tunnel);
-
-        disconnect_tunnel (tunnel);
-        destroy_tunnel (tunnel);
-        return NULL;
-      }
-    }
-    else
-    {
-      tunnel->channel = NULL;
-      destroy_tunnel (tunnel);
-
-      delayed_disconnect_channel (channel);
-      return NULL;
-    }
-  }
-}
-
-static int
-join_room (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-           const struct GNUNET_ShortHashCode *member_id)
-{
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Joining room: %s (%s)\n", 
GNUNET_h2s(get_room_key(room)), GNUNET_sh2s(member_id));
-
-  struct GNUNET_MESSENGER_Message *message = create_message_join 
(get_handle_ego(handle));
-
-  if (!message)
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Your join message could not be 
created!\n");
-
-    return GNUNET_NO;
-  }
-
-  struct GNUNET_HashCode hash;
-
-  send_room_message (room, handle, message, &hash);
-  destroy_message (message);
-
-  struct GNUNET_MESSENGER_MemberInfo *info = GNUNET_new(struct 
GNUNET_MESSENGER_MemberInfo);
-
-  info->access = GNUNET_MESSENGER_MEMBER_ALLOWED;
-  init_list_messages (&(info->session_messages));
-
-  if (GNUNET_YES == GNUNET_CONTAINER_multishortmap_put (room->member_infos, 
member_id, info,
-                                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-  {
-    change_handle_member_id (handle, &(room->key), member_id);
-
-    add_to_list_messages (&(info->session_messages), &hash);
-    return GNUNET_YES;
-  }
-  else
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Your member information could not 
be registered!\n");
-
-    GNUNET_free(info);
-    return GNUNET_NO;
-  }
-}
-
-static int
-join_room_locally (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle)
-{
-  const struct GNUNET_ShortHashCode *member_id = get_handle_member_id (handle, 
&(room->key));
-
-  struct GNUNET_MESSENGER_MemberInfo *info = 
GNUNET_CONTAINER_multishortmap_get (room->member_infos, member_id);
-
-  if ((!info) && (GNUNET_NO == join_room (room, handle, member_id)))
-    return GNUNET_NO;
-
-  return GNUNET_YES;
-}
-
-extern int
-check_tunnel_message (void *cls, const struct GNUNET_MessageHeader *header);
-extern void
-handle_tunnel_message (void *cls, const struct GNUNET_MessageHeader *header);
-
-extern void
-callback_tunnel_disconnect (void *cls, const struct GNUNET_CADET_Channel 
*channel);
-
-int
-open_room (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle)
-{
-  if (room->port)
-    return join_room_locally (room, handle);
-
-  struct GNUNET_CADET_Handle *cadet = get_room_cadet (room);
-  struct GNUNET_HashCode *key = get_room_key (room);
-
-  struct GNUNET_MQ_MessageHandler handlers[] = { 
GNUNET_MQ_hd_var_size(tunnel_message, GNUNET_MESSAGE_TYPE_CADET_CLI,
-                                                                       struct 
GNUNET_MessageHeader, NULL),
-                                                 GNUNET_MQ_handler_end() };
-
-  room->port = GNUNET_CADET_open_port (cadet, key, callback_room_connect, 
room, NULL,
-                                       callback_tunnel_disconnect, handlers);
-
-  const struct GNUNET_ShortHashCode *member_id = get_handle_member_id (handle, 
&(room->key));
-
-  struct GNUNET_MESSENGER_MemberInfo *info = 
GNUNET_CONTAINER_multishortmap_get (room->member_infos, member_id);
-
-  if ((!info) && (GNUNET_NO == join_room (room, handle, member_id)) && 
(room->port))
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "You could not join the room, 
therefore it keeps closed!\n");
-
-    GNUNET_CADET_close_port (room->port);
-    room->port = NULL;
-
-    return GNUNET_NO;
-  }
-
-  struct GNUNET_MESSENGER_Message *message = create_message_peer 
(room->service);
-
-  if (message)
-  {
-    struct GNUNET_HashCode hash;
-
-    send_room_message (room, handle, message, &hash);
-    destroy_message (message);
-  }
-
-  return (room->port ? GNUNET_YES : GNUNET_NO);
-}
-
-int
-entry_room_at (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-               const struct GNUNET_PeerIdentity *door)
-{
-  if (room->peer_message)
-  {
-    const struct GNUNET_MESSENGER_Message *msg = get_room_message (room, 
handle, room->peer_message, GNUNET_NO);
-
-    if (0 == GNUNET_memcmp(&(msg->body.peer.peer), door))
-      return join_room_locally (room, handle);
-  }
-
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = 
GNUNET_CONTAINER_multipeermap_get (room->tunnels, door);
-
-  if (tunnel)
-  {
-    switch (connect_tunnel (tunnel))
-    {
-    case GNUNET_YES:
-      return GNUNET_YES;
-    case GNUNET_NO:
-      return join_room_locally (room, handle);
-    default:
-      return GNUNET_NO;
-    }
-  }
-
-  tunnel = create_tunnel (room, door);
-
-  if ((GNUNET_YES == connect_tunnel (tunnel)) &&
-      (GNUNET_OK == GNUNET_CONTAINER_multipeermap_put (room->tunnels, door, 
tunnel,
-                                                       
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-    return GNUNET_YES;
-  else
-  {
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "You could not connect to that 
door!\n");
-
-    destroy_tunnel (tunnel);
-    return GNUNET_NO;
-  }
-}
-
-struct GNUNET_MESSENGER_SrvTunnelFinder
-{
-  const struct GNUNET_ShortHashCode *needle;
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel;
-};
-
-static int
-iterate_find_tunnel (void *cls, const struct GNUNET_PeerIdentity *peer, void 
*value)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = value;
-  struct GNUNET_MESSENGER_SrvTunnelFinder *finder = cls;
-
-  if ((tunnel->contact_id) && (0 == GNUNET_memcmp(tunnel->contact_id, 
finder->needle)))
-  {
-    finder->tunnel = tunnel;
-    return GNUNET_NO;
-  }
-
-  return GNUNET_YES;
-}
-
-struct GNUNET_MESSENGER_SrvTunnel*
-find_room_tunnel_to (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *contact_id)
-{
-  struct GNUNET_MESSENGER_SrvTunnelFinder finder;
-
-  finder.needle = contact_id;
-  finder.tunnel = NULL;
-
-  GNUNET_CONTAINER_multipeermap_iterate (room->tunnels, iterate_find_tunnel, 
&finder);
-
-  return finder.tunnel;
-}
-
-struct GNUNET_MQ_Envelope*
-pack_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash, int mode)
-{
-  message->header.timestamp = GNUNET_TIME_absolute_hton 
(GNUNET_TIME_absolute_get ());
-
-  const struct GNUNET_ShortHashCode *id = get_handle_member_id (handle, 
&(room->key));
-
-  GNUNET_assert(id);
-
-  GNUNET_memcpy(&(message->header.sender_id), id, sizeof(struct 
GNUNET_ShortHashCode));
-
-  if (room->last_messages.head)
-    GNUNET_memcpy(&(message->header.previous), 
&(room->last_messages.head->hash), sizeof(struct GNUNET_HashCode));
-  else
-    memset (&(message->header.previous), 0, sizeof(struct GNUNET_HashCode));
-
-  return pack_message (message, hash, get_handle_ego (handle), mode);
-}
-
-struct GNUNET_MESSENGER_ClosureSendRoom
-{
-  struct GNUNET_MESSENGER_SrvRoom *room;
-  struct GNUNET_MESSENGER_SrvHandle *handle;
-  struct GNUNET_MESSENGER_SrvTunnel *exclude;
-  struct GNUNET_MESSENGER_Message *message;
-  struct GNUNET_HashCode *hash;
-  int packed;
-};
-
-static int
-iterate_send_room_message (void *cls, const struct GNUNET_PeerIdentity *key, 
void *value)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = value;
-
-  if ((!is_tunnel_connected (tunnel)) || (!tunnel->contact_id))
-    return GNUNET_YES;
-
-  struct GNUNET_MESSENGER_ClosureSendRoom *closure = cls;
-
-  if (tunnel == closure->exclude)
-    return GNUNET_YES;
-
-  struct GNUNET_MQ_Envelope *env = NULL;
-
-  if (closure->packed == GNUNET_NO)
-  {
-    env = pack_room_message (closure->room, closure->handle, closure->message, 
closure->hash,
-    GNUNET_MESSENGER_PACK_MODE_ENVELOPE);
-
-    if (env)
-    {
-      closure->message = copy_message (closure->message);
-      closure->packed = GNUNET_YES;
-    }
-  }
-  else
-  {
-    env = pack_message (closure->message, NULL, NULL,
-    GNUNET_MESSENGER_PACK_MODE_ENVELOPE);
-  }
-
-  if (env)
-    send_tunnel_envelope (tunnel, closure->handle, env, closure->message, 
closure->hash);
-
-  return GNUNET_YES;
-}
-
-void
-callback_room_sent (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle, void *cls,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-void
-send_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ClosureSendRoom closure;
-
-  closure.room = room;
-  closure.handle = handle;
-  closure.exclude = NULL;
-  closure.message = message;
-  closure.hash = hash;
-  closure.packed = GNUNET_NO;
-
-  GNUNET_CONTAINER_multipeermap_iterate (room->tunnels, 
iterate_send_room_message, &closure);
-
-  if ((GNUNET_NO == closure.packed) && (closure.message == message))
-  {
-    pack_room_message (room, handle, message, hash,
-    GNUNET_MESSENGER_PACK_MODE_UNKNOWN);
-
-    callback_room_sent (room, handle, NULL, copy_message (message), hash);
-  }
-}
-
-void
-send_room_message_ext (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                       struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash,
-                       struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  struct GNUNET_MESSENGER_ClosureSendRoom closure;
-
-  closure.room = room;
-  closure.handle = handle;
-  closure.exclude = tunnel;
-  closure.message = message;
-  closure.hash = hash;
-  closure.packed = GNUNET_NO;
-
-  GNUNET_CONTAINER_multipeermap_iterate (room->tunnels, 
iterate_send_room_message, &closure);
-
-  if ((GNUNET_NO == closure.packed) && (closure.message == message))
-  {
-    pack_room_message (room, handle, message, hash,
-    GNUNET_MESSENGER_PACK_MODE_UNKNOWN);
-
-    callback_room_sent (room, handle, NULL, copy_message (message), hash);
-  }
-}
-
-void
-forward_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      const struct GNUNET_MESSENGER_Message *message, const 
struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ClosureSendRoom closure;
-  struct GNUNET_HashCode message_hash;
-
-  GNUNET_memcpy(&message_hash, hash, sizeof(struct GNUNET_HashCode));
-
-  closure.room = room;
-  closure.handle = NULL;
-  closure.exclude = tunnel;
-  closure.message = copy_message (message);
-  closure.hash = &message_hash;
-  closure.packed = GNUNET_YES;
-
-  GNUNET_CONTAINER_multipeermap_iterate (room->tunnels, 
iterate_send_room_message, &closure);
-}
-
-void
-merge_room_last_messages (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle)
-{
-  if (!handle)
-    return;
-
-  if (!room->last_messages.head)
-    return;
-
-  while (room->last_messages.head != room->last_messages.tail)
-  {
-    struct GNUNET_MESSENGER_ListMessage *element = room->last_messages.tail;
-
-    struct GNUNET_MESSENGER_Message *message = create_message_merge 
(&(element->hash));
-
-    if (message)
-    {
-      struct GNUNET_HashCode hash;
-
-      send_room_message (room, handle, message, &hash);
-      destroy_message (message);
-    }
-
-    if (element->prev)
-      GNUNET_CONTAINER_DLL_remove(room->last_messages.head, 
room->last_messages.tail, element);
-  }
-}
-
-struct GNUNET_CADET_Handle*
-get_room_cadet (struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  return room->service->cadet;
-}
-
-struct GNUNET_HashCode*
-get_room_key (struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  return &(room->key);
-}
-
-const struct GNUNET_MESSENGER_SrvTunnel*
-get_room_tunnel (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_PeerIdentity *peer)
-{
-  return GNUNET_CONTAINER_multipeermap_get (room->tunnels, peer);
-}
-
-const struct GNUNET_MESSENGER_Message*
-get_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                  const struct GNUNET_HashCode *hash, int request)
-{
-  const struct GNUNET_MESSENGER_Message *message = get_store_message 
(&(room->store), hash);
-
-  if ((message) || (!handle) || (GNUNET_YES != request)
-      || (GNUNET_NO != GNUNET_CONTAINER_multihashmap_contains 
(room->requested, hash)))
-    return message;
-
-  struct GNUNET_MESSENGER_Message *request_msg = create_message_request (hash);
-
-  if (request_msg)
-  {
-    if (GNUNET_CONTAINER_multihashmap_put (room->requested, hash, NULL, 
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST) == GNUNET_OK)
-    {
-      struct GNUNET_HashCode request_hash;
-
-      send_room_message (room, handle, request_msg, &request_hash);
-    }
-
-    destroy_message (request_msg);
-  }
-
-  return message;
-}
-
-void
-callback_room_disconnect (struct GNUNET_MESSENGER_SrvRoom *room, void *cls)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls;
-
-  if (!room->host)
-    return;
-
-  struct GNUNET_PeerIdentity identity;
-
-  GNUNET_PEER_resolve (tunnel->peer, &identity);
-
-  if (GNUNET_YES == contains_list_tunnels (&(room->basement), &identity))
-  {
-    struct GNUNET_MESSENGER_Message *message = create_message_miss (&identity);
-
-    if (message)
-    {
-      struct GNUNET_HashCode hash;
-
-      send_room_message (room, room->host, message, &hash);
-      destroy_message (message);
-    }
-  }
-}
-
-int
-callback_verify_room_message (struct GNUNET_MESSENGER_SrvRoom *room, void *cls,
-                              struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash)
-{
-  if (GNUNET_MESSENGER_KIND_UNKNOWN == message->header.kind)
-    return GNUNET_SYSERR;
-
-  struct GNUNET_MESSENGER_SrvContact *contact = 
GNUNET_CONTAINER_multishortmap_get (room->members,
-                                                                               
     &(message->header.sender_id));
-
-  if (!contact)
-  {
-    if (GNUNET_MESSENGER_KIND_INFO == message->header.kind)
-      contact = get_service_contact_by_pubkey (room->service, 
&(message->body.info.host_key));
-    else if (GNUNET_MESSENGER_KIND_JOIN == message->header.kind)
-      contact = get_service_contact_by_pubkey (room->service, 
&(message->body.join.key));
-  }
-
-  if ((!contact) || (GNUNET_SYSERR == verify_message (message, hash, 
get_contact_key (contact))))
-    return GNUNET_SYSERR;
-
-  if (GNUNET_YES == room->strict_access)
-  {
-    struct GNUNET_MESSENGER_MemberInfo *info = 
GNUNET_CONTAINER_multishortmap_get (room->member_infos,
-                                                                               
    &(message->header.sender_id));
-
-    if ((info) && (GNUNET_MESSENGER_MEMBER_BLOCKED == info->access))
-      return GNUNET_SYSERR;
-  }
-
-  if (GNUNET_YES == contains_store_message (&(room->store), hash))
-    return GNUNET_NO;
-
-  return GNUNET_YES;
-}
-
-static void
-search_room_for_message (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_HashCode *hash)
-{
-  const struct GNUNET_MESSENGER_Message *message = get_room_message (room, 
room->host, hash, GNUNET_YES);
-
-  if (!message)
-    return;
-
-  if (GNUNET_MESSENGER_KIND_MERGE == message->header.kind)
-    search_room_for_message (room, &(message->body.merge.previous));
-
-  search_room_for_message (room, &(message->header.previous));
-}
-
-static void
-idle_request_room_messages (void *cls)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = cls;
-
-  room->idle = NULL;
-
-  struct GNUNET_MESSENGER_ListMessage *element = room->last_messages.head;
-
-  while (element)
-  {
-    search_room_for_message (room, &(element->hash));
-
-    element = element->next;
-  }
-
-  merge_room_last_messages (room, room->host);
-
-  room->idle = GNUNET_SCHEDULER_add_delayed_with_priority 
(GNUNET_TIME_relative_get_second_ (),
-                                                           
GNUNET_SCHEDULER_PRIORITY_IDLE, idle_request_room_messages,
-                                                           cls);
-}
-
-void
-update_room_last_messages (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_MESSENGER_Message *message,
-                           const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ListMessage *element = room->last_messages.head;
-  struct GNUNET_MESSENGER_ListMessage *merging = NULL;
-
-  if (GNUNET_MESSENGER_KIND_MERGE == message->header.kind)
-  {
-    merging = room->last_messages.head;
-
-    while (merging)
-    {
-      if (0 == GNUNET_CRYPTO_hash_cmp (&(merging->hash), 
&(message->body.merge.previous)))
-        break;
-
-      merging = merging->next;
-    }
-
-    if (merging)
-      element = merging->next;
-  }
-
-  while (element)
-  {
-    if (0 == GNUNET_CRYPTO_hash_cmp (&(element->hash), 
&(message->header.previous)))
-      break;
-
-    element = element->next;
-  }
-
-  if ((merging) && (!element))
-  {
-    element = merging;
-    merging = NULL;
-  }
-
-  if (element)
-  {
-    GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode));
-
-    if (merging)
-      GNUNET_CONTAINER_DLL_remove(room->last_messages.head, 
room->last_messages.tail, merging);
-  }
-  else
-    add_to_list_messages (&(room->last_messages), hash);
-
-  if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (room->requested, 
hash))
-    GNUNET_CONTAINER_multihashmap_remove_all (room->requested, hash);
-}
-
-void
-switch_room_member_id (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *old_id,
-                       const struct GNUNET_ShortHashCode *new_id, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = 
GNUNET_CONTAINER_multishortmap_get (room->members, old_id);
-
-  if ((contact) && (GNUNET_YES == GNUNET_CONTAINER_multishortmap_remove 
(room->members, old_id, contact)))
-    GNUNET_CONTAINER_multishortmap_put (room->members, new_id, contact,
-                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-
-  struct GNUNET_MESSENGER_MemberInfo *info = 
GNUNET_CONTAINER_multishortmap_get (room->member_infos, old_id);
-
-  if ((!info) || (GNUNET_YES != GNUNET_CONTAINER_multishortmap_remove 
(room->member_infos, old_id, contact))
-      || (GNUNET_YES != GNUNET_CONTAINER_multishortmap_put 
(room->member_infos, new_id, contact,
-                                                            
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-    return;
-
-  if (hash)
-    add_to_list_messages (&(info->session_messages), hash);
-}
-
-void
-rebuild_room_basement_structure (struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  struct GNUNET_PeerIdentity peer;
-  size_t src;
-
-  if ((GNUNET_OK != get_service_peer_identity (room->service, &peer)) || 
(!find_list_tunnels (&(room->basement), &peer,
-                                                                               
               &src)))
-    return;
-
-  size_t count = count_of_tunnels (&(room->basement));
-
-  struct GNUNET_MESSENGER_ListTunnel *element = room->basement.head;
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel;
-
-  size_t dst = 0;
-
-  while (element)
-  {
-    GNUNET_PEER_resolve (element->peer, &peer);
-
-    tunnel = GNUNET_CONTAINER_multipeermap_get (room->tunnels, &peer);
-
-    if (!tunnel)
-    {
-      element = remove_from_list_tunnels (&(room->basement), element);
-      continue;
-    }
-
-    if (GNUNET_YES == required_connection_between (count, src, dst))
-    {
-      if (GNUNET_SYSERR == connect_tunnel (tunnel))
-      {
-        element = remove_from_list_tunnels (&(room->basement), element);
-        continue;
-      }
-    }
-    else
-      disconnect_tunnel (tunnel);
-
-    element = element->next;
-    dst++;
-  }
-}
-
-void
-handle_room_messages (struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  while (room->handling.head)
-  {
-    struct GNUNET_MESSENGER_ListMessage *element = room->handling.head;
-
-    const struct GNUNET_MESSENGER_Message *msg = get_room_message (room, 
room->host, &(element->hash), GNUNET_NO);
-
-    if (msg)
-      handle_service_message (room->service, room, msg, &(element->hash));
-
-    GNUNET_CONTAINER_DLL_remove(room->handling.head, room->handling.tail, 
element);
-    GNUNET_free(element);
-  }
-}
-
-#include "gnunet-service-messenger_message_recv.h"
-
-void
-callback_room_recv (struct GNUNET_MESSENGER_SrvRoom *room, void *cls, struct 
GNUNET_MESSENGER_Message *message,
-                    const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls;
-
-  if (GNUNET_OK != put_store_message (&(room->store), hash, message))
-    return;
-
-  update_room_last_messages (room, message, hash);
-
-  if (GNUNET_MESSENGER_KIND_INFO != message->header.kind)
-    forward_room_message (room, tunnel, message, hash);
-
-  const int start_handle = room->handling.head ? GNUNET_NO : GNUNET_YES;
-
-  add_to_list_messages (&(room->handling), hash);
-
-  switch (message->header.kind)
-  {
-  case GNUNET_MESSENGER_KIND_INFO:
-    recv_message_info (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_JOIN:
-    recv_message_join (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    recv_message_leave (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_NAME:
-    recv_message_name (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_KEY:
-    recv_message_key (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_PEER:
-    recv_message_peer (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_ID:
-    recv_message_id (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_MISS:
-    recv_message_miss (room, tunnel, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_REQUEST:
-    recv_message_request (room, tunnel, message, hash);
-    break;
-  default:
-    break;
-  }
-
-  if (GNUNET_YES == start_handle)
-    handle_room_messages (room);
-}
-
-#include "gnunet-service-messenger_message_send.h"
-
-void
-callback_room_sent (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle, void *cls,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  const struct GNUNET_MESSENGER_Message *old_message = get_room_message (room, 
handle, hash, GNUNET_NO);
-
-  if ((old_message) || (GNUNET_OK != put_store_message (&(room->store), hash, 
message)))
-  {
-    if (old_message != message)
-      GNUNET_free(message);
-  }
-  else
-  {
-    struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls; // may be NULL
-
-    update_room_last_messages (room, message, hash);
-
-    const int start_handle = room->handling.head ? GNUNET_NO : GNUNET_YES;
-
-    add_to_list_messages (&(room->handling), hash);
-
-    switch (message->header.kind)
-    {
-    case GNUNET_MESSENGER_KIND_INFO:
-      send_message_info (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_JOIN:
-      send_message_join (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_LEAVE:
-      send_message_leave (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_NAME:
-      send_message_name (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_KEY:
-      send_message_key (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_PEER:
-      send_message_peer (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_ID:
-      send_message_id (room, handle, tunnel, message, hash);
-      break;
-    case GNUNET_MESSENGER_KIND_MISS:
-      send_message_miss (room, handle, tunnel, message, hash);
-      break;
-    default:
-      break;
-    }
-
-    if (GNUNET_YES == start_handle)
-      handle_room_messages (room);
-  }
-}
diff --git a/src/messenger/gnunet-service-messenger_room.h 
b/src/messenger/gnunet-service-messenger_room.h
deleted file mode 100644
index 36c9e8cf5..000000000
--- a/src/messenger/gnunet-service-messenger_room.h
+++ /dev/null
@@ -1,378 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_room.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_ROOM_H
-#define GNUNET_SERVICE_MESSENGER_ROOM_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_mq_lib.h"
-
-#include "gnunet-service-messenger_contact.h"
-
-#include "gnunet_messenger_service.h"
-#include "gnunet-service-messenger_basement.h"
-#include "gnunet-service-messenger_handle.h"
-#include "gnunet-service-messenger_tunnel.h"
-
-#include "gnunet-service-messenger_list_messages.h"
-#include "messenger_api_list_tunnels.h"
-
-#include "gnunet-service-messenger_message_store.h"
-#include "messenger_api_ego.h"
-
-enum GNUNET_MESSENGER_MemberAccess
-{
-  GNUNET_MESSENGER_MEMBER_ALLOWED = 1,
-  GNUNET_MESSENGER_MEMBER_BLOCKED = 1,
-
-  GNUNET_MESSENGER_MEMBER_UNKNOWN = 0
-};
-
-struct GNUNET_MESSENGER_MemberInfo
-{
-  enum GNUNET_MESSENGER_MemberAccess access;
-
-  struct GNUNET_MESSENGER_ListMessages session_messages;
-};
-
-struct GNUNET_MESSENGER_SrvRoom
-{
-  struct GNUNET_MESSENGER_Service *service;
-  struct GNUNET_MESSENGER_SrvHandle *host;
-  struct GNUNET_CADET_Port *port;
-
-  struct GNUNET_HashCode key;
-
-  struct GNUNET_CONTAINER_MultiPeerMap *tunnels;
-  struct GNUNET_CONTAINER_MultiShortmap *members;
-  struct GNUNET_CONTAINER_MultiShortmap *member_infos;
-
-  struct GNUNET_MESSENGER_MessageStore store;
-  struct GNUNET_CONTAINER_MultiHashMap *requested;
-
-  struct GNUNET_MESSENGER_ListTunnels basement;
-  struct GNUNET_MESSENGER_ListMessages last_messages;
-
-  struct GNUNET_HashCode *peer_message;
-
-  struct GNUNET_MESSENGER_ListMessages handling;
-  struct GNUNET_SCHEDULER_Task *idle;
-
-  int strict_access;
-};
-
-/**
- * Creates and allocates a new room for a <i>handle</i> with a given 
<i>key</i>.
- *
- * @param handle Handle
- * @param key Key of room
- * @return New room
- */
-struct GNUNET_MESSENGER_SrvRoom*
-create_room (struct GNUNET_MESSENGER_SrvHandle *handle, const struct 
GNUNET_HashCode *key);
-
-/**
- * Destroys a room and frees its memory fully.
- *
- * @param room Room
- */
-void
-destroy_room (struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Returns the contact of a member in a <i>room</i> identified by a given 
<i>id</i>. If the <i>room</i>
- * does not contain a member with the given <i>id</i>, NULL gets returned.
- *
- * @param room Room
- * @param id Member id
- * @return Contact or NULL
- */
-struct GNUNET_MESSENGER_SrvContact*
-get_room_contact (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id);
-
-/**
- * Adds a contact from the service to a <i>room</i> under a specific <i>id</i> 
with a given public key.
- *
- * @param room Room
- * @param id Member id
- * @param pubkey Public key of EGO
- */
-void
-add_room_contact (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id,
-                  const struct GNUNET_IDENTITY_PublicKey *pubkey);
-
-/**
- * Returns the member information of a member in a <i>room</i> identified by a 
given <i>id</i>. If the <i>room</i>
- * does not contain a member with the given <i>id</i>, NULL gets returned.
- *
- * @param room Room
- * @param id Member id
- * @return Member information or NULL
- */
-struct GNUNET_MESSENGER_MemberInfo*
-get_room_member_info (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *id);
-
-/**
- * Tries to generate and allocate a new unique member id checking all current 
members for possible
- * duplicates. If the function fails, NULL gets returned.
- *
- * @param room Room
- * @return New member id or NULL
- */
-struct GNUNET_ShortHashCode*
-generate_room_member_id (const struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Returns the member id of the member representing the handle currently 
hosting this <i>room</i>.
- *
- * @param room Room
- * @return Host member id or NULL
- */
-const struct GNUNET_ShortHashCode*
-get_room_host_id (const struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Changes the member id of the member representing the handle currently 
hosting this <i>room</i>.
- *
- * @param room Room
- * @param unique_id Unique member id
- */
-void
-change_room_host_id (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *unique_id);
-
-/**
- * Tries to open a <i>room</i> for a given <i>handle</i>. If the room has 
already been opened, the handle
- * will locally join the room.
- *
- * Calling this method should result in joining a room and sending a peer 
message as well for this peer.
- *
- * If the function returns GNUNET_YES the port for this room is guranteed to 
be open for incoming connections.
- *
- * @param room Room
- * @param handle Handle
- * @return GNUNET_YES on success, GNUNET_NO on failure.
- */
-int
-open_room (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Connects a tunnel to a hosting peer of a <i>room</i> through a so called 
<i>door</i> which is represented by
- * a peer identity of a hosting peer. During the connection the handle will 
join the room as a member, waiting for
- * an info message from the selected host.
- *
- * @param room Room
- * @param handle Handle
- * @param door Peer identity
- * @return GNUNET_YES on success, GNUNET_NO on failure.
- */
-int
-entry_room_at (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-               const struct GNUNET_PeerIdentity *door);
-
-/**
- * Returns a tunnel granting a direct connection to a specific member in a 
<i>room</i>. The member gets identified
- * by an <i>id</i>. If no tunnel has been linked to the selected id, NULL gets 
returned.
- *
- * @param room Room
- * @param contact_id Member id
- * @return Tunnel to the member or NULL
- */
-struct GNUNET_MESSENGER_SrvTunnel*
-find_room_tunnel_to (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *contact_id);
-
-/**
- * Packs a <i>message</i> depending on the selected <i>mode</i> into a newly 
allocated envelope. It will set the
- * timestamp of the message, the sender id and the previous messages hash 
automatically before packing. The message
- * will be signed by the handles EGO.
- *
- * If the optional <i>hash</i> parameter is a valid pointer, its value will be 
overriden by the signed messages hash.
- *
- * If <i>mode</i> is set to GNUNET_MESSENGER_PACK_MODE_ENVELOPE, the function 
returns a valid envelope to send
- * through a message queue, otherwise NULL.
- *
- * @param room Room
- * @param handle Handle
- * @param message Message
- * @param[out] hash Hash of message
- * @param mode Packing mode
- * @return New envelope or NULL
- */
-struct GNUNET_MQ_Envelope*
-pack_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash, int mode);
-
-/**
- * Sends a <i>message</i> from a given <i>handle</i> into a <i>room</i>. The 
<i>hash</i> parameter will be
- * updated with the hash-value resulting from the sent message.
- *
- * The function handles packing the message automatically and will call linked 
message-events locally even if
- * the message won't be sent to another peer.
- *
- * @param room Room
- * @param handle Handle
- * @param message Message
- * @param[out] hash Hash of message
- */
-void
-send_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash);
-
-/**
- * Sends a <i>message</i> from a given <i>handle</i> into a <i>room</i> 
excluding one specific <i>tunnel</i>.
- * The <i>hash</i> parameter will be updated with the hash-value resulting 
from the sent message.
- *
- * The function handles packing the message automatically and will call linked 
message-events locally even if
- * the message won't be sent to another peer.
- *
- * @param room Room
- * @param handle Handle
- * @param message Message
- * @param[out] hash Hash of message
- * @param tunnel Tunnel
- */
-void
-send_room_message_ext (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                       struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash,
-                       struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-/**
- * Forwards a <i>message</i> with a given <i>hash</i> to a specific 
<i>tunnel</i> inside of a <i>room</i>.
- *
- * @param room Room
- * @param tunnel Tunnel
- * @param message Message
- * @param hash Hash of message
- */
-void
-forward_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvTunnel *tunnel,
-                      const struct GNUNET_MESSENGER_Message *message, const 
struct GNUNET_HashCode *hash);
-
-/**
- * Reduces all current forks inside of the message history of a <i>room</i> to 
one remaining last message
- * by merging them down. All merge messages will be sent from a given 
<i>handle</i>.
- *
- * @param room Room
- * @param handle Handle
- */
-void
-merge_room_last_messages (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Returns the CADET handle from a rooms service.
- *
- * @param room Room
- * @return CADET handle
- */
-struct GNUNET_CADET_Handle*
-get_room_cadet (struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Returns the shared secret you need to access a <i>room</i>.
- *
- * @param room Room
- * @return Shared secret
- */
-struct GNUNET_HashCode*
-get_room_key (struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Returns a tunnel inside of a <i>room</i> leading towards a given 
<i>peer</i> if such a tunnel exists,
- * otherwise NULL.
- *
- * @param room Room
- * @param peer Peer identity
- * @return Tunnel or NULL
- */
-const struct GNUNET_MESSENGER_SrvTunnel*
-get_room_tunnel (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_PeerIdentity *peer);
-
-/**
- * Returns a message from a <i>room</i> identified by a given <i>hash</i>. If 
no matching message is
- * found and <i>request</i> is set to GNUNET_YES, the <i>handle</i> will 
request the missing message
- * automatically.
- *
- * The function uses the optimized check for a message via its hash from the 
message store.
- * @see contains_store_message()
- *
- * If a message is missing independent of the following request, NULL gets 
returned instead of the
- * matching message.
- *
- * @param room Room
- * @param handle Handle
- * @param hash Hash of message
- * @param request Flag to request a message
- * @return Message or NULL
- */
-const struct GNUNET_MESSENGER_Message*
-get_room_message (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                  const struct GNUNET_HashCode *hash, int request);
-
-/**
- * Updates the last messages of a <i>room</i> by replacing them if the 
previous hash of a given <i>message</i>
- * matches with one of the latest messages.
- *
- * @param room Room
- * @param message Message
- * @param hash Hash of message
- */
-void
-update_room_last_messages (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_MESSENGER_Message *message,
-                           const struct GNUNET_HashCode *hash);
-
-/**
- * Changes an id of a current member from an old id to a new one and adds 
optionally the <i>hash</i> of an
- * id message to the members information.
- *
- * @param room Room
- * @param old_id Old member id
- * @param new_id New member id
- * @param hash Hash of id message
- */
-void
-switch_room_member_id (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_ShortHashCode *old_id,
-                       const struct GNUNET_ShortHashCode *new_id, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Rebuilds the decentralized structure for a <i>room</i> by ensuring all 
required connections are made
- * depending on the amount of peers and this peers index in the list of them.
- *
- * @param room Room
- */
-void
-rebuild_room_basement_structure (struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Handles all queued up messages of a room to handle in correct order.
- *
- * @param room Room
- */
-void
-handle_room_messages (struct GNUNET_MESSENGER_SrvRoom *room);
-
-#endif //GNUNET_SERVICE_MESSENGER_ROOM_H
diff --git a/src/messenger/gnunet-service-messenger_service.c 
b/src/messenger/gnunet-service-messenger_service.c
deleted file mode 100644
index 963314fd8..000000000
--- a/src/messenger/gnunet-service-messenger_service.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_service.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_service.h"
-
-#include "gnunet-service-messenger_message_kind.h"
-
-#include "gnunet-service-messenger.h"
-#include "gnunet-service-messenger_util.h"
-
-static void
-callback_shutdown_service (void *cls)
-{
-  struct GNUNET_MESSENGER_Service *service = cls;
-
-  if (service)
-  {
-    service->shutdown = NULL;
-
-    destroy_service (service);
-  }
-}
-
-static void
-callback_update_ego (void *cls,
-                     struct GNUNET_IDENTITY_Ego *ego,
-                     void **ctx,
-                     const char *identifier)
-{
-  if ((!ego) || (!identifier))
-    return;
-
-  struct GNUNET_MESSENGER_Service *service = cls;
-
-  update_service_ego(service, identifier, 
GNUNET_IDENTITY_ego_get_private_key(ego));
-}
-
-struct GNUNET_MESSENGER_Service*
-create_service (const struct GNUNET_CONFIGURATION_Handle *config, struct 
GNUNET_SERVICE_Handle *service_handle)
-{
-  struct GNUNET_MESSENGER_Service *service = GNUNET_new(struct 
GNUNET_MESSENGER_Service);
-
-  service->config = config;
-  service->service = service_handle;
-
-  service->shutdown = GNUNET_SCHEDULER_add_shutdown 
(&callback_shutdown_service, service);
-
-  service->dir = NULL;
-
-  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (service->config,
-  GNUNET_MESSENGER_SERVICE_NAME,
-                                                            "MESSENGER_DIR", 
&(service->dir)))
-  {
-    if (service->dir)
-      GNUNET_free(service->dir);
-
-    service->dir = NULL;
-  }
-  else
-  {
-    if ((GNUNET_YES != GNUNET_DISK_directory_test (service->dir, GNUNET_YES)) 
&& (GNUNET_OK
-        != GNUNET_DISK_directory_create (service->dir)))
-    {
-      GNUNET_free(service->dir);
-
-      service->dir = NULL;
-    }
-  }
-
-  service->cadet = GNUNET_CADET_connect (service->config);
-  service->identity = GNUNET_IDENTITY_connect (service->config, 
&callback_update_ego, service);
-
-  service->egos = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  init_list_handles (&(service->handles));
-
-  service->contacts = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-  service->rooms = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  return service;
-}
-
-static int
-iterate_destroy_egos (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_Ego *ego = value;
-  GNUNET_free(ego);
-  return GNUNET_YES;
-}
-
-static int
-iterate_destroy_rooms (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = value;
-  destroy_room (room);
-  return GNUNET_YES;
-}
-
-static int
-iterate_destroy_contacts (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_SrvContact *contact = value;
-  destroy_contact (contact);
-  return GNUNET_YES;
-}
-
-void
-destroy_service (struct GNUNET_MESSENGER_Service *service)
-{
-  if (service->shutdown)
-  {
-    GNUNET_SCHEDULER_cancel (service->shutdown);
-
-    service->shutdown = NULL;
-  }
-
-  GNUNET_CONTAINER_multihashmap_iterate (service->egos, iterate_destroy_egos, 
NULL);
-
-  clear_list_handles (&(service->handles));
-
-  GNUNET_CONTAINER_multihashmap_iterate (service->rooms, 
iterate_destroy_rooms, NULL);
-  GNUNET_CONTAINER_multihashmap_iterate (service->contacts, 
iterate_destroy_contacts, NULL);
-
-  GNUNET_CONTAINER_multihashmap_destroy (service->egos);
-  GNUNET_CONTAINER_multihashmap_destroy (service->rooms);
-  GNUNET_CONTAINER_multihashmap_destroy (service->contacts);
-
-  if (service->cadet)
-  {
-    GNUNET_CADET_disconnect (service->cadet);
-
-    service->cadet = NULL;
-  }
-
-  if (service->identity)
-  {
-    GNUNET_IDENTITY_disconnect (service->identity);
-
-    service->identity = NULL;
-  }
-
-  if (service->dir)
-  {
-    GNUNET_free(service->dir);
-
-    service->dir = NULL;
-  }
-
-  GNUNET_SERVICE_shutdown (service->service);
-
-  GNUNET_free(service);
-}
-
-struct GNUNET_MESSENGER_Ego*
-lookup_service_ego (struct GNUNET_MESSENGER_Service *service, const char 
*identifier)
-{
-  GNUNET_assert(identifier);
-
-  struct GNUNET_HashCode hash;
-
-  GNUNET_CRYPTO_hash(identifier, strlen(identifier), &hash);
-  return GNUNET_CONTAINER_multihashmap_get(service->egos, &hash);
-}
-
-void
-update_service_ego (struct GNUNET_MESSENGER_Service *service, const char 
*identifier,
-                    const struct GNUNET_IDENTITY_PrivateKey* key)
-{
-  GNUNET_assert((identifier) && (key));
-
-  struct GNUNET_HashCode hash;
-
-  GNUNET_CRYPTO_hash(identifier, strlen(identifier), &hash);
-
-  struct GNUNET_MESSENGER_Ego* ego = 
GNUNET_CONTAINER_multihashmap_get(service->egos, &hash);
-
-  if (!ego)
-  {
-    ego = GNUNET_new(struct GNUNET_MESSENGER_Ego);
-    GNUNET_CONTAINER_multihashmap_put(service->egos, &hash, ego, 
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-  }
-
-  GNUNET_memcpy(&(ego->priv), key, sizeof(*key));
-
-  if (GNUNET_OK != GNUNET_IDENTITY_key_get_public(key, &(ego->pub)))
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Updating invalid ego key 
failed!\n");
-}
-
-struct GNUNET_MESSENGER_SrvHandle*
-add_service_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MQ_Handle *mq)
-{
-  struct GNUNET_MESSENGER_SrvHandle *handle = create_handle (service, mq);
-
-  if (handle)
-  {
-    add_list_handle (&(service->handles), handle);
-  }
-
-  return handle;
-}
-
-void
-remove_service_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle)
-{
-  if (!handle)
-    return;
-
-  if (GNUNET_YES == remove_list_handle (&(service->handles), handle))
-    destroy_handle (handle);
-}
-
-int
-get_service_peer_identity (const struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_PeerIdentity *peer)
-{
-  return GNUNET_CRYPTO_get_peer_identity (service->config, peer);
-}
-
-struct GNUNET_MESSENGER_SrvContact*
-get_service_contact_by_pubkey (struct GNUNET_MESSENGER_Service *service, const 
struct GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  struct GNUNET_HashCode hash;
-
-  GNUNET_CRYPTO_hash (pubkey, sizeof(*pubkey), &hash);
-
-  struct GNUNET_MESSENGER_SrvContact *contact = 
GNUNET_CONTAINER_multihashmap_get (service->contacts, &hash);
-
-  if (contact)
-    return contact;
-
-  contact = create_contact (pubkey);
-
-  if (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (service->contacts, 
&hash, contact,
-                                                      
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    return contact;
-
-  destroy_contact (contact);
-  return NULL;
-}
-
-void
-swap_service_contact_by_pubkey (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvContact *contact,
-                                const struct GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  const struct GNUNET_HashCode *hash = get_contact_id_from_key (contact);
-
-  if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (service->contacts, 
hash, contact))
-  {
-    GNUNET_memcpy(&(contact->public_key), pubkey, sizeof(*pubkey));
-
-    hash = get_contact_id_from_key (contact);
-
-    GNUNET_CONTAINER_multihashmap_put (service->contacts, hash, contact,
-                                       
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-  }
-}
-
-struct GNUNET_ShortHashCode*
-generate_service_new_member_id (struct GNUNET_MESSENGER_Service *service, 
const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (service, key);
-
-  if (room)
-  {
-    return generate_room_member_id (room);
-  }
-  else
-  {
-    struct GNUNET_ShortHashCode *random_id = GNUNET_new(struct 
GNUNET_ShortHashCode);
-    generate_free_member_id (random_id, NULL);
-    return random_id;
-  }
-}
-
-struct GNUNET_MESSENGER_SrvRoom*
-get_service_room (struct GNUNET_MESSENGER_Service *service, const struct 
GNUNET_HashCode *key)
-{
-  return GNUNET_CONTAINER_multihashmap_get (service->rooms, key);
-}
-
-int
-open_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (service, key);
-
-  if (room)
-    return open_room (room, handle);
-
-  room = create_room (handle, key);
-
-  if ((GNUNET_YES == open_room (room, handle)) && (GNUNET_OK
-      == GNUNET_CONTAINER_multihashmap_put (service->rooms, key, room, 
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-    return GNUNET_YES;
-
-  destroy_room (room);
-  return GNUNET_NO;
-}
-
-int
-entry_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    const struct GNUNET_PeerIdentity *door, const struct 
GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (service, key);
-
-  if (room)
-  {
-    if (GNUNET_YES == entry_room_at (room, handle, door))
-      return GNUNET_YES;
-    else
-      return GNUNET_NO;
-  }
-
-  room = create_room (handle, key);
-
-  if ((GNUNET_YES == entry_room_at (room, handle, door)) && (GNUNET_OK
-      == GNUNET_CONTAINER_multihashmap_put (service->rooms, key, room, 
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-  {
-    return GNUNET_YES;
-  }
-  else
-  {
-    destroy_room (room);
-    return GNUNET_NO;
-  }
-
-}
-
-int
-close_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_SrvRoom *room = get_service_room (service, key);
-
-  if (!room)
-    return GNUNET_NO;
-
-  struct GNUNET_MESSENGER_Message *message = create_message_leave ();
-
-  if (message)
-  {
-    struct GNUNET_HashCode hash;
-
-    send_room_message (room, handle, message, &hash);
-    destroy_message (message);
-  }
-
-  const struct GNUNET_ShortHashCode *id = get_handle_member_id (handle, key);
-
-  GNUNET_assert(id);
-
-  if (GNUNET_YES != GNUNET_CONTAINER_multihashmap_remove (handle->member_ids, 
key, id))
-    return GNUNET_NO;
-
-  struct GNUNET_MESSENGER_SrvHandle *member_handle = (struct 
GNUNET_MESSENGER_SrvHandle*) find_list_handle_by_member (
-      &(service->handles), key);
-
-  if (!member_handle)
-  {
-    if (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (service->rooms, 
key, room))
-    {
-      destroy_room (room);
-      return GNUNET_YES;
-    }
-    else
-      return GNUNET_NO;
-  }
-
-  if (room->host == handle)
-    room->host = member_handle;
-
-  return GNUNET_YES;
-}
-
-static void
-get_room_data_subdir (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvRoom *room, char **dir)
-{
-  GNUNET_asprintf (dir, "%s%s%c%s%c", service->dir, "rooms", DIR_SEPARATOR, 
GNUNET_h2s (&(room->key)), DIR_SEPARATOR);
-}
-
-void
-load_service_room_and_messages (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  char *room_dir;
-  get_room_data_subdir (service, room, &room_dir);
-
-  if (GNUNET_YES == GNUNET_DISK_directory_test (room_dir, GNUNET_YES))
-  {
-    load_message_store (&room->store, room_dir);
-
-    char *config_file;
-    GNUNET_asprintf (&config_file, "%s%s", room_dir, "room.cfg");
-
-    struct GNUNET_CONFIGURATION_Handle *cfg = GNUNET_CONFIGURATION_create ();
-
-    if ((GNUNET_YES == GNUNET_DISK_file_test (config_file)) && (GNUNET_OK
-        == GNUNET_CONFIGURATION_parse (cfg, config_file)))
-    {
-      unsigned long long access;
-
-      if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "room", 
"access-rule", &access))
-        room->strict_access = (int) (access);
-
-      char *message_string;
-
-      if ((GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg, "room", 
"last-message", &message_string)) && (message_string))
-      {
-        struct GNUNET_HashCode hash;
-
-        GNUNET_CRYPTO_hash_from_string(message_string, &hash);
-
-        const struct GNUNET_MESSENGER_Message *message = get_room_message 
(room, room->host, &hash, GNUNET_NO);
-
-        if (message)
-          update_room_last_messages (room, message, &hash);
-
-        GNUNET_free(message_string);
-      }
-    }
-
-    GNUNET_CONFIGURATION_destroy (cfg);
-
-    GNUNET_free(config_file);
-  }
-
-  GNUNET_free(room_dir);
-}
-
-void
-save_service_room_and_messages (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvRoom *room)
-{
-  if (GNUNET_YES != GNUNET_CONTAINER_multihashmap_contains (service->rooms, 
&(room->key)))
-  {
-    return;
-  }
-
-  char *room_dir;
-  get_room_data_subdir (service, room, &room_dir);
-
-  if ((GNUNET_YES == GNUNET_DISK_directory_test (room_dir, GNUNET_NO)) || 
(GNUNET_OK
-      == GNUNET_DISK_directory_create (room_dir)))
-  {
-    save_message_store (&room->store, room_dir);
-
-    char *config_file;
-    GNUNET_asprintf (&config_file, "%s%s", room_dir, "room.cfg");
-
-    struct GNUNET_CONFIGURATION_Handle *cfg = GNUNET_CONFIGURATION_create ();
-
-    GNUNET_CONFIGURATION_set_value_number (cfg, "room", "access-rule", 
room->strict_access);
-
-    if (room->last_messages.head)
-      GNUNET_CONFIGURATION_set_value_string (cfg, "room", "last-message",
-                                             GNUNET_h2s_full 
(&(room->last_messages.head->hash)));
-
-    GNUNET_CONFIGURATION_write (cfg, config_file);
-    GNUNET_CONFIGURATION_destroy (cfg);
-
-    GNUNET_free(config_file);
-  }
-
-  GNUNET_free(room_dir);
-}
-
-void
-handle_service_message (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvRoom *room,
-                        const struct GNUNET_MESSENGER_Message *message, const 
struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_ListHandle *element = service->handles.head;
-
-  const uint16_t length = get_message_size (message);
-
-  while (element)
-  {
-    struct GNUNET_MESSENGER_SrvHandle *handle = (struct 
GNUNET_MESSENGER_SrvHandle*) element->handle;
-
-    if ((handle->mq) && (get_handle_member_id (handle, &(room->key))))
-    {
-      struct GNUNET_MESSENGER_RecvMessage *msg;
-      struct GNUNET_MQ_Envelope *env;
-
-      env = GNUNET_MQ_msg_extra(msg, length, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_RECV_MESSAGE);
-
-      GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-      GNUNET_memcpy(&(msg->hash), hash, sizeof(*hash));
-
-      char *buffer = ((char*) msg) + sizeof(*msg);
-      encode_message (message, length, buffer);
-
-      GNUNET_MQ_send (handle->mq, env);
-    }
-
-    element = element->next;
-  }
-}
diff --git a/src/messenger/gnunet-service-messenger_service.h 
b/src/messenger/gnunet-service-messenger_service.h
deleted file mode 100644
index 246c74771..000000000
--- a/src/messenger/gnunet-service-messenger_service.h
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_service.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_SERVICE_H
-#define GNUNET_SERVICE_MESSENGER_SERVICE_H
-
-#include "platform.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_disk_lib.h"
-#include "gnunet_identity_service.h"
-
-#include "messenger_api_ego.h"
-
-#include "gnunet-service-messenger_list_handles.h"
-
-#include "gnunet-service-messenger_contact.h"
-#include "gnunet-service-messenger_room.h"
-
-struct GNUNET_MESSENGER_Service
-{
-  const struct GNUNET_CONFIGURATION_Handle *config;
-  struct GNUNET_SERVICE_Handle *service;
-
-  struct GNUNET_SCHEDULER_Task *shutdown;
-
-  char *dir;
-
-  struct GNUNET_CADET_Handle *cadet;
-  struct GNUNET_IDENTITY_Handle *identity;
-
-  struct GNUNET_CONTAINER_MultiHashMap *egos;
-
-  struct GNUNET_MESSENGER_ListHandles handles;
-
-  struct GNUNET_CONTAINER_MultiHashMap *contacts;
-  struct GNUNET_CONTAINER_MultiHashMap *rooms;
-};
-
-/**
- * Creates and allocates a new service using a given <i>config</i> and a 
GNUnet service handle.
- *
- * @param config Configuration
- * @param service_handle GNUnet service handle
- * @return New service
- */
-struct GNUNET_MESSENGER_Service*
-create_service (const struct GNUNET_CONFIGURATION_Handle *config, struct 
GNUNET_SERVICE_Handle *service_handle);
-
-/**
- * Destroys a <i>service</i> and frees its memory fully.
- *
- * @param service Service
- */
-void
-destroy_service (struct GNUNET_MESSENGER_Service *service);
-
-/**
- * Lookups an EGO which was registered to a <i>service</i> under
- * a specific <i>identifier</i>.
- *
- * @param service Service
- * @param identifier Identifier string
- * @return EGO or NULL
- */
-struct GNUNET_MESSENGER_Ego*
-lookup_service_ego (struct GNUNET_MESSENGER_Service *service, const char 
*identifier);
-
-/**
- * Updates the registration of an EGO to a <i>service</i> under
- * a specific <i>identifier</i> with a new <i>key</i>.
- *
- * @param service Service
- * @param identifier Identifier string
- * @param key Private EGO key
- */
-void
-update_service_ego (struct GNUNET_MESSENGER_Service *service, const char 
*identifier,
-                    const struct GNUNET_IDENTITY_PrivateKey* key);
-
-/**
- * Creates and adds a new handle to a <i>service</i> using a given message 
queue.
- *
- * @param service Service
- * @param mq Message queue
- * @return New handle
- */
-struct GNUNET_MESSENGER_SrvHandle*
-add_service_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MQ_Handle *mq);
-
-/**
- * Removes a <i>handle</i> from a <i>service</i> and destroys it.
- *
- * @param service Service
- * @param handle Handle
- */
-void
-remove_service_handle (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle);
-
-/**
- * Tries to write the peer identity of the peer running a <i>service</i> on to 
the <i>peer</i>
- * parameter. The functions returns GNUNET_OK on success, otherwise 
GNUNET_SYSERR.
- *
- * @param service Service
- * @param[out] peer Peer identity
- * @return GNUNET_OK on success, otherwise GNUNET_SYSERR
- */
-int
-get_service_peer_identity (const struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_PeerIdentity *peer);
-
-/**
- * Returns a contact of a <i>service</i> identified by a given public key. If 
no matching contact exists,
- * it will tried to create one with the specific public key. If the function 
still fails to do so,
- * NULL gets returned.
- *
- * @param service Service
- * @param pubkey Public key of EGO
- * @return Contact
- */
-struct GNUNET_MESSENGER_SrvContact*
-get_service_contact_by_pubkey (struct GNUNET_MESSENGER_Service *service, const 
struct GNUNET_IDENTITY_PublicKey *pubkey);
-
-/**
- * Changes the public key for a <i>contact</i> known to a <i>service</i> to a 
specific public key and
- * updates local map entries to access the contact by its updated key.
- *
- * @param service Service
- * @param contact Contact
- * @param pubkey Public key of EGO
- */
-void
-swap_service_contact_by_pubkey (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvContact *contact,
-                                const struct GNUNET_IDENTITY_PublicKey 
*pubkey);
-
-/**
- * Tries to generate and allocate a new unique member id for a given room of a 
service identified by its <i>key</i>.
- * If the generation fails caused by too many tries of duplicates, it returns 
NULL.
- *
- * @param service Service
- * @param key Key of room
- * @return Newly generated member id or NULL
- */
-struct GNUNET_ShortHashCode*
-generate_service_new_member_id (struct GNUNET_MESSENGER_Service *service, 
const struct GNUNET_HashCode *key);
-
-/**
- * Returns the room identified by a given <i>key</i> for a <i>service</i>. If 
the service doesn't know any room
- * using the given key, NULL gets returned.
- *
- * @param service Service
- * @param key Key of room
- * @return Room or NULL
- */
-struct GNUNET_MESSENGER_SrvRoom*
-get_service_room (struct GNUNET_MESSENGER_Service *service, const struct 
GNUNET_HashCode *key);
-
-/**
- * Tries to open a room using a given <i>key</i> for a <i>service</i> by a 
specific <i>handle</i>. The room will be
- * created if necessary. If the function is successful, it returns GNUNET_YES, 
otherwise GNUNET_NO.
- *
- * @param service Service
- * @param handle Handle
- * @param key Key of room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-open_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                   const struct GNUNET_HashCode *key);
-
-/**
- * Tries to enter a room using a given <i>key</i> for a <i>service</i> by a 
specific <i>handle</i>. The room will
- * be created if necessary. If the function is successful, it returns 
GNUNET_YES, otherwise GNUNET_NO.
- *
- * The room will be entered through the peer identitied by the peer identity 
provided as <i>door</i> parameter and
- * a new connection will be made.
- *
- * @param service Service
- * @param handle Handle
- * @param door Peer identity
- * @param key Key of room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-entry_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    const struct GNUNET_PeerIdentity *door, const struct 
GNUNET_HashCode *key);
-
-/**
- * Tries to close a room using a given <i>key</i> for a <i>service</i> by a 
specific <i>handle</i>. The room will
- * be created if necessary. If the function is successful, it returns 
GNUNET_YES, otherwise GNUNET_NO.
- *
- * If the specific handle is currently the host of the room for this service, 
a new handle which is a member will
- * take its place. Otherwise the room will be destroyed for this service.
- *
- * @param service Service
- * @param handle Handle
- * @param key Key of room
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-close_service_room (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvHandle *handle,
-                    const struct GNUNET_HashCode *key);
-
-/**
- * Loads the local configuration for a given <i>room</i> of a <i>service</i> 
which contains the last messages hash
- * and the ruleset for general access of new members.
- *
- * @param service Service
- * @param room Room
- */
-void
-load_service_room_and_messages (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Saves the configuration for a given <i>room</i> of a <i>service</i> which 
contains the last messages hash
- * and the ruleset for general access of new members locally.
- *
- * @param service Service
- * @param room Room
- */
-void
-save_service_room_and_messages (struct GNUNET_MESSENGER_Service *service, 
struct GNUNET_MESSENGER_SrvRoom *room);
-
-/**
- * Sends a received or sent <i>message</i> with a given <i>hash</i> to each 
handle of a <i>service</i> which
- * is currently member of a specific <i>room</i> for handling it in the client 
API.
- *
- * @param service Service
- * @param room Room
- * @param message Message
- * @param hash Hash of message
- */
-void
-handle_service_message (struct GNUNET_MESSENGER_Service *service, struct 
GNUNET_MESSENGER_SrvRoom *room,
-                        const struct GNUNET_MESSENGER_Message *message, const 
struct GNUNET_HashCode *hash);
-
-#endif //GNUNET_SERVICE_MESSENGER_SERVICE_H
diff --git a/src/messenger/gnunet-service-messenger_tunnel.c 
b/src/messenger/gnunet-service-messenger_tunnel.c
deleted file mode 100644
index df9e5c4c7..000000000
--- a/src/messenger/gnunet-service-messenger_tunnel.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_tunnel.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_tunnel.h"
-
-#include "gnunet-service-messenger_handle.h"
-#include "gnunet-service-messenger_util.h"
-
-struct GNUNET_MESSENGER_SrvTunnel*
-create_tunnel (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_PeerIdentity *door)
-{
-  GNUNET_assert((room) && (door));
-
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = GNUNET_new(struct 
GNUNET_MESSENGER_SrvTunnel);
-
-  tunnel->room = room;
-  tunnel->channel = NULL;
-
-  tunnel->peer = GNUNET_PEER_intern (door);
-  tunnel->contact_id = NULL;
-
-  tunnel->peer_message = NULL;
-  tunnel->last_message = NULL;
-
-  return tunnel;
-}
-
-void
-destroy_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  GNUNET_assert(tunnel);
-
-  if (tunnel->channel)
-    GNUNET_CADET_channel_destroy (tunnel->channel);
-
-  GNUNET_PEER_change_rc (tunnel->peer, -1);
-
-  if (tunnel->contact_id)
-    GNUNET_free(tunnel->contact_id);
-
-  if (tunnel->peer_message)
-    GNUNET_free(tunnel->peer_message);
-
-  if (tunnel->last_message)
-    GNUNET_free(tunnel->last_message);
-
-  GNUNET_free(tunnel);
-}
-
-int
-bind_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_CADET_Channel *channel)
-{
-  GNUNET_assert(tunnel);
-
-  if (tunnel->channel)
-  {
-    if (tunnel->contact_id)
-      return GNUNET_NO;
-
-    delayed_disconnect_channel (tunnel->channel);
-  }
-
-  tunnel->channel = channel;
-
-  return GNUNET_YES;
-}
-
-extern void
-callback_room_disconnect (struct GNUNET_MESSENGER_SrvRoom *room, void *cls);
-
-void
-callback_tunnel_disconnect (void *cls, const struct GNUNET_CADET_Channel 
*channel)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls;
-
-  if (tunnel)
-  {
-    tunnel->channel = NULL;
-
-    callback_room_disconnect (tunnel->room, cls);
-  }
-}
-
-extern int
-callback_verify_room_message (struct GNUNET_MESSENGER_SrvRoom *room, void *cls,
-                              struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_HashCode *hash);
-
-int
-check_tunnel_message (void *cls, const struct GNUNET_MessageHeader *header)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls;
-
-  if (!tunnel)
-    return GNUNET_NO;
-
-  const uint16_t length = ntohs (header->size) - sizeof(*header);
-  const char *buffer = (const char*) &header[1];
-
-  struct GNUNET_MESSENGER_Message message;
-
-  if (length < sizeof(message.header))
-    return GNUNET_NO;
-
-  if (GNUNET_YES != decode_message (&message, length, buffer))
-    return GNUNET_NO;
-
-  struct GNUNET_HashCode hash;
-  hash_message (length, buffer, &hash);
-
-  int result = callback_verify_room_message (tunnel->room, cls, &message, 
&hash);
-
-  if (GNUNET_MESSENGER_KIND_PEER == message.header.kind)
-  {
-    struct GNUNET_PeerIdentity identity;
-
-    GNUNET_PEER_resolve (tunnel->peer, &identity);
-
-    if (0 == GNUNET_memcmp(&(message.body.peer.peer), &(identity)))
-    {
-      if (tunnel->contact_id)
-      {
-        if (0 != GNUNET_memcmp(tunnel->contact_id, 
&(message.header.sender_id)))
-          result = GNUNET_SYSERR;
-      }
-      else
-      {
-        tunnel->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
-        GNUNET_memcpy(tunnel->contact_id, &(message.header.sender_id), 
sizeof(struct GNUNET_ShortHashCode));
-      }
-    }
-  }
-
-  return (result == GNUNET_YES ? GNUNET_OK : GNUNET_NO);
-}
-
-extern void
-callback_room_recv (struct GNUNET_MESSENGER_SrvRoom *room, void *cls, struct 
GNUNET_MESSENGER_Message *message,
-                    const struct GNUNET_HashCode *hash);
-
-void
-handle_tunnel_message (void *cls, const struct GNUNET_MessageHeader *header)
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel = cls;
-
-  const uint16_t length = ntohs (header->size) - sizeof(*header);
-  const char *buffer = (const char*) &header[1];
-
-  struct GNUNET_MESSENGER_Message message;
-  struct GNUNET_HashCode hash;
-
-  decode_message (&message, length, buffer);
-  hash_message (length, buffer, &hash);
-
-  if (tunnel)
-  {
-    if (!tunnel->last_message)
-      tunnel->last_message = GNUNET_new(struct GNUNET_HashCode);
-
-    GNUNET_memcpy(tunnel->last_message, &hash, sizeof(struct GNUNET_HashCode));
-
-    callback_room_recv (tunnel->room, cls, copy_message (&message), &hash);
-  }
-
-  GNUNET_CADET_receive_done (tunnel->channel);
-}
-
-int
-connect_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  GNUNET_assert(tunnel);
-
-  if (tunnel->channel)
-    return GNUNET_NO;
-
-  const struct GNUNET_PeerIdentity *door = GNUNET_PEER_resolve2 (tunnel->peer);
-
-  struct GNUNET_CADET_Handle *cadet = get_room_cadet (tunnel->room);
-  struct GNUNET_HashCode *key = get_room_key (tunnel->room);
-
-  struct GNUNET_MQ_MessageHandler handlers[] = { 
GNUNET_MQ_hd_var_size(tunnel_message, GNUNET_MESSAGE_TYPE_CADET_CLI,
-                                                                       struct 
GNUNET_MessageHeader, NULL),
-                                                 GNUNET_MQ_handler_end() };
-
-  tunnel->channel = GNUNET_CADET_channel_create (cadet, tunnel, door, key, 
NULL, callback_tunnel_disconnect, handlers);
-
-  return GNUNET_YES;
-}
-
-void
-disconnect_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  if (tunnel->channel)
-  {
-    delayed_disconnect_channel (tunnel->channel);
-
-    tunnel->channel = NULL;
-  }
-}
-
-int
-is_tunnel_connected (const struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  return (tunnel->channel ? GNUNET_YES : GNUNET_NO);
-}
-
-struct GNUNET_MESSENGER_MessageSent
-{
-  struct GNUNET_MESSENGER_SrvTunnel *tunnel;
-  struct GNUNET_HashCode hash;
-};
-
-extern void
-callback_room_sent (struct GNUNET_MESSENGER_SrvRoom *room, struct 
GNUNET_MESSENGER_SrvHandle *handle, void *cls,
-                    struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-static void
-callback_tunnel_sent (void *cls)
-{
-  struct GNUNET_MESSENGER_MessageSent *sent = cls;
-
-  if (sent->tunnel)
-  {
-    if (!sent->tunnel->last_message)
-      sent->tunnel->last_message = GNUNET_new(struct GNUNET_HashCode);
-
-    GNUNET_memcpy(sent->tunnel->last_message, &(sent->hash), sizeof(struct 
GNUNET_HashCode));
-  }
-
-  GNUNET_free(sent);
-}
-
-void
-send_tunnel_envelope (struct GNUNET_MESSENGER_SrvTunnel *tunnel, void *handle, 
struct GNUNET_MQ_Envelope *env,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash)
-{
-  struct GNUNET_MQ_Handle *mq = GNUNET_CADET_get_mq (tunnel->channel);
-
-  struct GNUNET_MESSENGER_MessageSent *sent = GNUNET_new(struct 
GNUNET_MESSENGER_MessageSent);
-
-  GNUNET_memcpy(&(sent->hash), hash, sizeof(struct GNUNET_HashCode));
-
-  sent->tunnel = tunnel;
-
-  GNUNET_MQ_notify_sent (env, callback_tunnel_sent, sent);
-  GNUNET_MQ_send (mq, env);
-
-  callback_room_sent (tunnel->room, (struct GNUNET_MESSENGER_SrvHandle*) 
handle, tunnel, message, hash);
-}
-
-void
-send_tunnel_message (struct GNUNET_MESSENGER_SrvTunnel *tunnel, void *handle, 
struct GNUNET_MESSENGER_Message *message,
-                     struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MQ_Envelope *env = pack_room_message (tunnel->room, (struct 
GNUNET_MESSENGER_SrvHandle*) handle,
-                                                      message, hash,
-                                                      
GNUNET_MESSENGER_PACK_MODE_ENVELOPE);
-
-  if (env)
-    send_tunnel_envelope (tunnel, handle, env, copy_message (message), hash);
-}
-
-void
-forward_tunnel_message (struct GNUNET_MESSENGER_SrvTunnel *tunnel, const 
struct GNUNET_MESSENGER_Message *message,
-                        const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Message *clone = copy_message (message);
-  struct GNUNET_MQ_Envelope *env = pack_message (clone, NULL, NULL, 
GNUNET_MESSENGER_PACK_MODE_ENVELOPE);
-
-  if (env)
-    send_tunnel_envelope (tunnel, NULL, env, clone, hash);
-}
-
-const struct GNUNET_HashCode*
-get_tunnel_peer_message (const struct GNUNET_MESSENGER_SrvTunnel *tunnel)
-{
-  return tunnel->peer_message;
-}
diff --git a/src/messenger/gnunet-service-messenger_tunnel.h 
b/src/messenger/gnunet-service-messenger_tunnel.h
deleted file mode 100644
index e6efb226d..000000000
--- a/src/messenger/gnunet-service-messenger_tunnel.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_tunnel.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_TUNNEL_H
-#define GNUNET_SERVICE_MESSENGER_TUNNEL_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_peer_lib.h"
-#include "gnunet_crypto_lib.h"
-
-#include "gnunet-service-messenger_room.h"
-
-struct GNUNET_MESSENGER_SrvTunnel
-{
-  struct GNUNET_MESSENGER_SrvRoom *room;
-  struct GNUNET_CADET_Channel *channel;
-
-  GNUNET_PEER_Id peer;
-  struct GNUNET_ShortHashCode *contact_id;
-
-  struct GNUNET_HashCode *peer_message;
-  struct GNUNET_HashCode *last_message;
-};
-
-/**
- * Creates and allocates a tunnel of a <i>room</i> to a specific peer identity.
- *
- * @param room Room
- * @param door Peer identity
- * @return New tunnel
- */
-struct GNUNET_MESSENGER_SrvTunnel*
-create_tunnel (struct GNUNET_MESSENGER_SrvRoom *room, const struct 
GNUNET_PeerIdentity *door);
-
-/**
- * Destroys a <i>tunnel</i> and frees its memory fully.
- *
- * @param tunnel
- */
-void
-destroy_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-/**
- * Binds a CADET <i>channel</i> to a <i>tunnel</i> on returns GNUNET_YES only 
if
- * the bounds channel was replaced successfully, otherwise GNUNET_NO gets 
returned.
- *
- * @param tunnel Tunnel
- * @param channel CADET channel
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-bind_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel, struct 
GNUNET_CADET_Channel *channel);
-
-/**
- * Tries to connect a <i>tunnel</i> by creating a new CADET channel and 
binding it.
- * The function returns GNUNET_YES on success, otherwise GNUNET_NO.
- *
- * @param tunnel Tunnel
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-connect_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-/**
- * Disconnects and unbinds a channel from a <i>tunnel</i>. The actual 
disconnection
- * will be asynchronous.
- *
- * @param tunnel Tunnel
- */
-void
-disconnect_tunnel (struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-/**
- * Returns the status of a currently bound channel of a <i>tunnel</i>.
- *
- * @param tunnel Tunnel
- * @return GNUNET_YES or GNUNET_NO
- */
-int
-is_tunnel_connected (const struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-/**
- * Sends an envelope containing a <i>message</i> with a given <i>hash</i> 
through
- * a <i>tunnel</i> by a given <i>handle</i>.
- *
- * @param tunnel Tunnel
- * @param handle Handle
- * @param env Envelope
- * @param message Message
- * @param hash Hash of message
- */
-void
-send_tunnel_envelope (struct GNUNET_MESSENGER_SrvTunnel *tunnel, void *handle, 
struct GNUNET_MQ_Envelope *env,
-                      struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Sends a <i>message</i> by packing it automatically into an envelope and 
passing it
- * through the <i>tunnel</i>. The used <i>handle</i> will sign the message and
- * the <i>hash</i> will be calculated and stored.
- *
- * @param tunnel Tunnel
- * @param handle Handle
- * @param[out] message Message
- * @param[out] hash Hash of message
- */
-void
-send_tunnel_message (struct GNUNET_MESSENGER_SrvTunnel *tunnel, void *handle, 
struct GNUNET_MESSENGER_Message *message,
-                     struct GNUNET_HashCode *hash);
-
-/**
- * Forwards a given <i>message</i> with a known <i>hash</i> through a 
<i>tunnel</i>.
- *
- * @param tunnel Tunnel
- * @param message Message
- * @param hash Hash of message
- */
-void
-forward_tunnel_message (struct GNUNET_MESSENGER_SrvTunnel *tunnel, const 
struct GNUNET_MESSENGER_Message *message,
-                        const struct GNUNET_HashCode *hash);
-
-/**
- * Returns the hash of the latest peer message published through a given 
<i>tunnel</i>
- * and matching the tunnels peer identity. If no peer message has been linked 
to the tunnel
- * yet, NULL gets returned.
- *
- * @param tunnel Tunnel
- * @return Hash of peer message or NULL
- */
-const struct GNUNET_HashCode*
-get_tunnel_peer_message (const struct GNUNET_MESSENGER_SrvTunnel *tunnel);
-
-#endif //GNUNET_SERVICE_MESSENGER_TUNNEL_H
diff --git a/src/messenger/gnunet-service-messenger_util.c 
b/src/messenger/gnunet-service-messenger_util.c
deleted file mode 100644
index 94fc9469d..000000000
--- a/src/messenger/gnunet-service-messenger_util.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_util.c
- * @brief GNUnet MESSENGER service
- */
-
-#include "gnunet-service-messenger_util.h"
-
-static void
-callback_close_channel (void *cls)
-{
-  struct GNUNET_CADET_Channel *channel = cls;
-
-  if (channel)
-    GNUNET_CADET_channel_destroy (channel);
-}
-
-void
-delayed_disconnect_channel (struct GNUNET_CADET_Channel *channel)
-{
-  GNUNET_SCHEDULER_add_delayed_with_priority (GNUNET_TIME_relative_get_zero_ 
(), GNUNET_SCHEDULER_PRIORITY_URGENT,
-                                              callback_close_channel, channel);
-}
-
-int
-generate_free_member_id (struct GNUNET_ShortHashCode *id, const struct 
GNUNET_CONTAINER_MultiShortmap *members)
-{
-  size_t counter = 1 + (members ? GNUNET_CONTAINER_multishortmap_size 
(members) : 0);
-
-  do
-  {
-    GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_STRONG, id, 
sizeof(struct GNUNET_ShortHashCode));
-
-    if ((members) && (GNUNET_YES == GNUNET_CONTAINER_multishortmap_contains 
(members, id)))
-      counter--;
-    else
-      break;
-  }
-  while (counter > 0);
-
-  if (counter)
-    return GNUNET_YES;
-
-  return GNUNET_NO;
-}
diff --git a/src/messenger/gnunet-service-messenger_util.h 
b/src/messenger/gnunet-service-messenger_util.h
deleted file mode 100644
index 20f8f0afe..000000000
--- a/src/messenger/gnunet-service-messenger_util.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/gnunet-service-messenger_util.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_SERVICE_MESSENGER_UTIL_H
-#define GNUNET_SERVICE_MESSENGER_UTIL_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-
-/**
- * Starts an urgent task to close a CADET channel asynchronously.
- *
- * @param channel Channel
- */
-void
-delayed_disconnect_channel (struct GNUNET_CADET_Channel *channel);
-
-/**
- * Tries to generate an unused member id and store it into the <i>id</i> 
parameter. A map containing all currently
- * used member ids is used to check against.
- *
- * @param[out] id New member id
- * @param members Map of member ids
- * @return GNUNET_YES on success, GNUNET_NO on failure
- */
-int
-generate_free_member_id (struct GNUNET_ShortHashCode *id, const struct 
GNUNET_CONTAINER_MultiShortmap *members);
-
-#endif //GNUNET_SERVICE_MESSENGER_UTIL_H
diff --git a/src/messenger/messenger.conf.in b/src/messenger/messenger.conf.in
deleted file mode 100644
index 59e11b166..000000000
--- a/src/messenger/messenger.conf.in
+++ /dev/null
@@ -1,13 +0,0 @@
-[messenger]
-START_ON_DEMAND = YES
-PORT = 2097
-HOSTNAME = localhost
-BINARY = gnunet-service-messenger
-ACCEPT_FROM = 127.0.0.1;
-ACCEPT_FROM6 = ::1;
-UNIXPATH = $GNUNET_RUNTIME_DIR/gnunet-service-messenger.sock
-UNIX_MATCH_UID = NO
-UNIX_MATCH_GID = YES
-
-# Directory to store messages and contacts
-MESSENGER_DIR = $GNUNET_DATA_HOME/messenger/
\ No newline at end of file
diff --git a/src/messenger/messenger_api.c b/src/messenger/messenger_api.c
deleted file mode 100644
index 6401b18d7..000000000
--- a/src/messenger/messenger_api.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api.c
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#include "gnunet_messenger_service.h"
-
-#include "gnunet-service-messenger.h"
-
-#include "messenger_api_handle.h"
-#include "messenger_api_message.h"
-
-const char*
-GNUNET_MESSENGER_name_of_kind (enum GNUNET_MESSENGER_MessageKind kind)
-{
-  switch (kind)
-  {
-  case GNUNET_MESSENGER_KIND_INFO:
-    return "INFO";
-  case GNUNET_MESSENGER_KIND_JOIN:
-    return "JOIN";
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    return "LEAVE";
-  case GNUNET_MESSENGER_KIND_NAME:
-    return "NAME";
-  case GNUNET_MESSENGER_KIND_KEY:
-    return "KEY";
-  case GNUNET_MESSENGER_KIND_PEER:
-    return "PEER";
-  case GNUNET_MESSENGER_KIND_ID:
-    return "ID";
-  case GNUNET_MESSENGER_KIND_MISS:
-    return "MISS";
-  case GNUNET_MESSENGER_KIND_MERGE:
-    return "MERGE";
-  case GNUNET_MESSENGER_KIND_REQUEST:
-    return "REQUEST";
-  case GNUNET_MESSENGER_KIND_INVITE:
-    return "INVITE";
-  case GNUNET_MESSENGER_KIND_TEXT:
-    return "TEXT";
-  case GNUNET_MESSENGER_KIND_FILE:
-    return "FILE";
-  default:
-    return "UNKNOWN";
-  }
-}
-
-static int
-check_get_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
-  GNUNET_MQ_check_zero_termination(msg);
-  return GNUNET_OK;
-}
-
-static void
-handle_get_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const char *name = ((const char*) msg) + sizeof(*msg);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set name of handle: %s\n", name);
-
-  set_handle_name (handle, strlen(name) > 0? name : NULL);
-}
-
-static void
-handle_get_key (void *cls, const struct GNUNET_MESSENGER_KeyMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_IDENTITY_PublicKey *pubkey = &(msg->pubkey);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set key of handle: %s\n", 
GNUNET_IDENTITY_public_key_to_string (pubkey));
-
-  set_handle_key (handle, pubkey);
-
-  if (handle->identity_callback)
-    handle->identity_callback (handle->identity_cls, handle);
-}
-
-static void
-handle_member_id (void *cls, const struct GNUNET_MESSENGER_MemberMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_HashCode *key = &(msg->key);
-  const struct GNUNET_ShortHashCode *id = &(msg->id);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set id of handle in room: %s\n", 
GNUNET_h2s (key));
-
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (room)
-  {
-    if (!room->contact_id)
-      room->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
-    GNUNET_memcpy(room->contact_id, id, sizeof(*id));
-  }
-}
-
-static void
-handle_room_open (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_HashCode *key = &(msg->key);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Opened room: %s\n", GNUNET_h2s (key));
-
-  open_handle_room (handle, key);
-}
-
-static void
-handle_room_entry (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_PeerIdentity *door = &(msg->door);
-  const struct GNUNET_HashCode *key = &(msg->key);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Entered room: %s\n", GNUNET_h2s (key));
-
-  entry_handle_room_at (handle, door, key);
-}
-
-static void
-handle_room_close (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_HashCode *key = &(msg->key);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Closed room: %s\n", GNUNET_h2s (key));
-
-  close_handle_room (handle, key);
-}
-
-static int
-check_recv_message (void *cls, const struct GNUNET_MESSENGER_RecvMessage *msg)
-{
-  const uint16_t full_length = ntohs (msg->header.size) - sizeof(msg->header);
-
-  if (full_length < sizeof(msg->hash))
-    return GNUNET_NO;
-
-  const uint16_t length = full_length - sizeof(msg->hash);
-  const char *buffer = ((const char*) msg) + sizeof(*msg);
-
-  struct GNUNET_MESSENGER_Message message;
-
-  if (length < sizeof(message.header))
-    return GNUNET_NO;
-
-  if (GNUNET_YES != decode_message (&message, length, buffer))
-    return GNUNET_NO;
-
-  return GNUNET_OK;
-}
-
-static void
-handle_recv_message (void *cls, const struct GNUNET_MESSENGER_RecvMessage *msg)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  const struct GNUNET_HashCode *key = &(msg->key);
-  const struct GNUNET_HashCode *hash = &(msg->hash);
-
-  const char *buffer = ((const char*) msg) + sizeof(*msg);
-
-  const uint16_t length = ntohs (msg->header.size) - sizeof(*msg);
-
-  struct GNUNET_MESSENGER_Message message;
-  decode_message (&message, length, buffer);
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Receiving message: %s\n", 
GNUNET_MESSENGER_name_of_kind (message.header.kind));
-
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (room)
-  {
-    handle_room_message (room, &message, hash);
-
-    if (handle->msg_callback)
-      handle->msg_callback (handle->msg_cls, room, &message, hash);
-  }
-  else
-    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "MESSENGER ERROR: Room not found\n");
-}
-
-static void
-reconnect (struct GNUNET_MESSENGER_Handle *handle);
-
-static void
-send_open_room (struct GNUNET_MESSENGER_Handle *handle, struct 
GNUNET_MESSENGER_Room *room)
-{
-  struct GNUNET_MESSENGER_RoomMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN);
-  GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-  GNUNET_MQ_send (handle->mq, env);
-}
-
-static void
-send_entry_room (struct GNUNET_MESSENGER_Handle *handle, struct 
GNUNET_MESSENGER_Room *room,
-                 const struct GNUNET_PeerIdentity *door)
-{
-  struct GNUNET_MESSENGER_RoomMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY);
-  GNUNET_memcpy(&(msg->door), door, sizeof(*door));
-  GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-  GNUNET_MQ_send (handle->mq, env);
-}
-
-static void
-send_close_room (struct GNUNET_MESSENGER_Handle *handle, struct 
GNUNET_MESSENGER_Room *room)
-{
-  struct GNUNET_MESSENGER_RoomMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE);
-  GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-  GNUNET_MQ_send (handle->mq, env);
-}
-
-static int
-iterate_reset_room (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-  struct GNUNET_MESSENGER_Room *room = value;
-
-  if (GNUNET_YES == room->opened)
-    send_open_room (handle, room);
-
-  struct GNUNET_MESSENGER_ListTunnel *entry = room->entries.head;
-
-  struct GNUNET_PeerIdentity door;
-
-  while (entry)
-  {
-    GNUNET_PEER_resolve (entry->peer, &door);
-
-    send_entry_room (handle, room, &door);
-
-    entry = entry->next;
-  }
-
-  return GNUNET_YES;
-}
-
-static void
-callback_reconnect (void *cls)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  handle->reconnect_task = NULL;
-  handle->reconnect_time = GNUNET_TIME_STD_BACKOFF(handle->reconnect_time)
-  ;
-
-  reconnect (handle);
-
-  GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_reset_room, 
handle);
-}
-
-static int
-iterate_close_room (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-  struct GNUNET_MESSENGER_Room *room = value;
-
-  send_close_room (handle, room);
-
-  return GNUNET_YES;
-}
-
-static void
-callback_mq_error (void *cls, enum GNUNET_MQ_Error error)
-{
-  struct GNUNET_MESSENGER_Handle *handle = cls;
-
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "MQ ERROR: %u\n", error);
-
-  GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_close_room, 
handle);
-
-  if (handle->mq)
-  {
-    GNUNET_MQ_destroy (handle->mq);
-    handle->mq = NULL;
-  }
-
-  handle->reconnect_task = GNUNET_SCHEDULER_add_delayed 
(handle->reconnect_time, &callback_reconnect, handle);
-}
-
-static void
-reconnect (struct GNUNET_MESSENGER_Handle *handle)
-{
-  const struct GNUNET_MQ_MessageHandler handlers[] = { GNUNET_MQ_hd_var_size(
-      get_name, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_NAME, struct 
GNUNET_MESSENGER_NameMessage, handle),
-                                                       GNUNET_MQ_hd_fixed_size(
-                                                           get_key, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_KEY,
-                                                           struct 
GNUNET_MESSENGER_KeyMessage, handle),
-                                                       GNUNET_MQ_hd_fixed_size(
-                                                           member_id,
-                                                           
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_MEMBER_ID,
-                                                           struct 
GNUNET_MESSENGER_MemberMessage, handle),
-                                                       
GNUNET_MQ_hd_fixed_size(room_open,
-                                                                               
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN,
-                                                                               
struct GNUNET_MESSENGER_RoomMessage,
-                                                                               
handle),
-                                                       
GNUNET_MQ_hd_fixed_size(room_entry,
-                                                                               
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY,
-                                                                               
struct GNUNET_MESSENGER_RoomMessage,
-                                                                               
handle),
-                                                       
GNUNET_MQ_hd_fixed_size(room_close,
-                                                                               
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE,
-                                                                               
struct GNUNET_MESSENGER_RoomMessage,
-                                                                               
handle),
-                                                       GNUNET_MQ_hd_var_size(
-                                                           recv_message,
-                                                           
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_RECV_MESSAGE,
-                                                           struct 
GNUNET_MESSENGER_RecvMessage, handle),
-                                                       GNUNET_MQ_handler_end() 
};
-
-  handle->mq = GNUNET_CLIENT_connect (handle->cfg,
-  GNUNET_MESSENGER_SERVICE_NAME,
-                                      handlers, &callback_mq_error, handle);
-}
-
-struct GNUNET_MESSENGER_Handle*
-GNUNET_MESSENGER_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, const 
char *name,
-                          GNUNET_MESSENGER_IdentityCallback identity_callback, 
void *identity_cls,
-                          GNUNET_MESSENGER_MessageCallback msg_callback, void 
*msg_cls)
-{
-  struct GNUNET_MESSENGER_Handle *handle = create_handle (cfg, 
identity_callback, identity_cls, msg_callback, msg_cls);
-
-  reconnect (handle);
-
-  if (handle->mq)
-  {
-    const uint16_t name_len = name ? strlen (name) : 0;
-
-    struct GNUNET_MESSENGER_CreateMessage *msg;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg_extra(msg, name_len + 1, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_CREATE);
-
-    char *extra = ((char*) msg) + sizeof(*msg);
-
-    if (name_len)
-      GNUNET_memcpy(extra, name, name_len);
-
-    extra[name_len] = '\0';
-
-    GNUNET_MQ_send (handle->mq, env);
-    return handle;
-  }
-  else
-  {
-    destroy_handle (handle);
-    return NULL;
-  }
-}
-
-int
-GNUNET_MESSENGER_update (struct GNUNET_MESSENGER_Handle *handle)
-{
-  if ((!handle) || (!get_handle_name(handle)))
-    return GNUNET_SYSERR;
-
-  struct GNUNET_MESSENGER_UpdateMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_UPDATE);
-  GNUNET_MQ_send (handle->mq, env);
-  return GNUNET_OK;
-}
-
-void
-GNUNET_MESSENGER_disconnect (struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (!handle)
-    return;
-
-  struct GNUNET_MESSENGER_DestroyMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_DESTROY);
-  GNUNET_MQ_send (handle->mq, env);
-
-  destroy_handle (handle);
-}
-
-const char*
-GNUNET_MESSENGER_get_name (const struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (!handle)
-    return NULL;
-
-  return get_handle_name (handle);
-}
-
-int
-GNUNET_MESSENGER_set_name (struct GNUNET_MESSENGER_Handle *handle, const char 
*name)
-{
-  if (!handle)
-    return GNUNET_SYSERR;
-
-  const uint16_t name_len = name ? strlen (name) : 0;
-
-  struct GNUNET_MESSENGER_NameMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg_extra(msg, name_len + 1, 
GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_SET_NAME);
-
-  char *extra = ((char*) msg) + sizeof(*msg);
-
-  if (name_len)
-    GNUNET_memcpy(extra, name, name_len);
-
-  extra[name_len] = '\0';
-
-  GNUNET_MQ_send (handle->mq, env);
-  return GNUNET_YES;
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_get_key (const struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (!handle)
-    return NULL;
-
-  return get_handle_key (handle);
-}
-
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_open_room (struct GNUNET_MESSENGER_Handle *handle, const 
struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (!room)
-  {
-    room = create_room (handle, key);
-
-    if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->rooms, key, 
room,
-                                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    {
-      destroy_room (room);
-      return NULL;
-    }
-  }
-
-  send_open_room (handle, room);
-  return room;
-}
-
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_entry_room (struct GNUNET_MESSENGER_Handle *handle, const 
struct GNUNET_PeerIdentity *door,
-                             const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (!room)
-  {
-    room = create_room (handle, key);
-
-    if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->rooms, key, 
room,
-                                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    {
-      destroy_room (room);
-      return NULL;
-    }
-  }
-
-  send_entry_room (handle, room, door);
-  return room;
-}
-
-void
-GNUNET_MESSENGER_close_room (struct GNUNET_MESSENGER_Room *room)
-{
-  send_close_room (room->handle, room);
-}
-
-struct GNUNET_MESSENGER_Contact*
-GNUNET_MESSENGER_get_member (const struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_ShortHashCode *id)
-{
-  return GNUNET_CONTAINER_multishortmap_get (room->members, id);
-}
-
-const char*
-GNUNET_MESSENGER_contact_get_name (const struct GNUNET_MESSENGER_Contact 
*contact)
-{
-  if (!contact)
-    return NULL;
-
-  return get_contact_name (contact);
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_contact_get_key (const struct GNUNET_MESSENGER_Contact 
*contact)
-{
-  if (!contact)
-    return NULL;
-
-  return get_contact_key (contact);
-}
-
-void
-GNUNET_MESSENGER_send_message (struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_MESSENGER_Message *message)
-{
-  const uint16_t length = get_message_size (message);
-
-  struct GNUNET_MESSENGER_SendMessage *msg;
-  struct GNUNET_MQ_Envelope *env;
-
-  env = GNUNET_MQ_msg_extra(msg, length, 
GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_SEND_MESSAGE);
-
-  GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-
-  char *buffer = ((char*) msg) + sizeof(*msg);
-  encode_message (message, length, buffer);
-
-  GNUNET_MQ_send (room->handle->mq, env);
-}
-
-const struct GNUNET_MESSENGER_Message*
-GNUNET_MESSENGER_get_message (const struct GNUNET_MESSENGER_Room *room, const 
struct GNUNET_HashCode *hash)
-{
-  const struct GNUNET_MESSENGER_Message *message = get_room_message (room, 
hash);
-
-  if (!message)
-  {
-    struct GNUNET_MESSENGER_RecvMessage *msg;
-    struct GNUNET_MQ_Envelope *env;
-
-    env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_GET_MESSAGE);
-    GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-    GNUNET_memcpy(&(msg->hash), hash, sizeof(*hash));
-    GNUNET_MQ_send (room->handle->mq, env);
-  }
-
-  return message;
-}
diff --git a/src/messenger/messenger_api_contact.c 
b/src/messenger/messenger_api_contact.c
deleted file mode 100644
index 9a242aa00..000000000
--- a/src/messenger/messenger_api_contact.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_contact.c
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#include "messenger_api_contact.h"
-
-struct GNUNET_MESSENGER_Contact*
-create_contact (const struct GNUNET_IDENTITY_PublicKey *key)
-{
-  struct GNUNET_MESSENGER_Contact *contact = GNUNET_new(struct 
GNUNET_MESSENGER_Contact);
-
-  contact->name = NULL;
-
-  GNUNET_memcpy(&(contact->public_key), key, sizeof(contact->public_key));
-
-  return contact;
-}
-
-void
-destroy_contact (struct GNUNET_MESSENGER_Contact *contact)
-{
-  if (contact->name)
-    GNUNET_free(contact->name);
-
-  GNUNET_free(contact);
-}
-
-const char*
-get_contact_name (const struct GNUNET_MESSENGER_Contact *contact)
-{
-  return contact->name;
-}
-
-void
-set_contact_name (struct GNUNET_MESSENGER_Contact *contact, const char *name)
-{
-  if (contact->name)
-    GNUNET_free(contact->name);
-
-  contact->name = name? GNUNET_strdup(name) : NULL;
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-get_contact_key (const struct GNUNET_MESSENGER_Contact *contact)
-{
-  return &(contact->public_key);
-}
-
-const struct GNUNET_HashCode*
-get_contact_id_from_key (const struct GNUNET_MESSENGER_Contact *contact)
-{
-  static struct GNUNET_HashCode id;
-
-  GNUNET_CRYPTO_hash (&(contact->public_key), sizeof(contact->public_key), 
&id);
-
-  return &id;
-}
diff --git a/src/messenger/messenger_api_contact.h 
b/src/messenger/messenger_api_contact.h
deleted file mode 100644
index 0673b9b85..000000000
--- a/src/messenger/messenger_api_contact.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_contact.h
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_MESSENGER_API_CONTACT_H
-#define GNUNET_MESSENGER_API_CONTACT_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-
-struct GNUNET_MESSENGER_Contact
-{
-  char *name;
-
-  struct GNUNET_IDENTITY_PublicKey public_key;
-};
-
-/**
- * Creates and allocates a new contact with a given public <i>key</i> from an 
EGO.
- *
- * @param key Public key
- * @return New contact
- */
-struct GNUNET_MESSENGER_Contact*
-create_contact (const struct GNUNET_IDENTITY_PublicKey *key);
-
-/**
- * Destroys a contact and frees its memory fully.
- *
- * @param contact Contact
- */
-void
-destroy_contact (struct GNUNET_MESSENGER_Contact *contact);
-
-/**
- * Returns the current name of a given <i>contact</i> or NULL if no valid name 
was assigned yet.
- *
- * @param contact Contact
- * @return Name of the contact or NULL
- */
-const char*
-get_contact_name (const struct GNUNET_MESSENGER_Contact *contact);
-
-/**
- * Changes the current name of a given <i>contact</i> by copying it from the 
parameter <i>name</i>.
- *
- * @param contact Contact
- * @param name Valid name (may not be NULL!)
- */
-void
-set_contact_name (struct GNUNET_MESSENGER_Contact *contact, const char *name);
-
-/**
- * Returns the public key of a given <i>contact</i>.
- *
- * @param contact Contact
- * @return Public key of the contact
- */
-const struct GNUNET_IDENTITY_PublicKey*
-get_contact_key (const struct GNUNET_MESSENGER_Contact *contact);
-
-/**
- * Returns the resulting hashcode of the public key from a given 
<i>contact</i>.
- *
- * @param contact Contact
- * @return Hash of the contacts public key
- */
-const struct GNUNET_HashCode*
-get_contact_id_from_key (const struct GNUNET_MESSENGER_Contact *contact);
-
-#endif //GNUNET_MESSENGER_API_CONTACT_H
diff --git a/src/messenger/messenger_api_ego.h 
b/src/messenger/messenger_api_ego.h
deleted file mode 100644
index c60eeac50..000000000
--- a/src/messenger/messenger_api_ego.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_ego.h
- * @brief GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_MESSENGER_API_EGO_H
-#define GNUNET_MESSENGER_API_EGO_H
-
-#include "platform.h"
-#include "gnunet_identity_service.h"
-
-struct GNUNET_MESSENGER_Ego
-{
-  struct GNUNET_IDENTITY_PrivateKey priv;
-  struct GNUNET_IDENTITY_PublicKey pub;
-};
-
-#endif //GNUNET_MESSENGER_API_EGO_H
diff --git a/src/messenger/messenger_api_handle.c 
b/src/messenger/messenger_api_handle.c
deleted file mode 100644
index 20ef77254..000000000
--- a/src/messenger/messenger_api_handle.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_handle.c
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#include "messenger_api_handle.h"
-
-struct GNUNET_MESSENGER_Handle*
-create_handle (const struct GNUNET_CONFIGURATION_Handle *cfg, 
GNUNET_MESSENGER_IdentityCallback identity_callback,
-               void *identity_cls, GNUNET_MESSENGER_MessageCallback 
msg_callback, void *msg_cls)
-{
-  struct GNUNET_MESSENGER_Handle *handle = GNUNET_new(struct 
GNUNET_MESSENGER_Handle);
-
-  handle->cfg = cfg;
-  handle->mq = NULL;
-
-  handle->identity_callback = identity_callback;
-  handle->identity_cls = identity_cls;
-
-  handle->msg_callback = msg_callback;
-  handle->msg_cls = msg_cls;
-
-  handle->name = NULL;
-  handle->pubkey = NULL;
-
-  handle->reconnect_time = GNUNET_TIME_relative_get_zero_ ();
-  handle->reconnect_task = NULL;
-
-  handle->rooms = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-  handle->contacts = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  return handle;
-}
-
-static int
-iterate_destroy_room (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_Room *room = value;
-
-  destroy_room (room);
-
-  return GNUNET_YES;
-}
-
-static int
-iterate_destroy_contact (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_Contact *contact = value;
-
-  destroy_contact (contact);
-
-  return GNUNET_YES;
-}
-
-void
-destroy_handle (struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (handle->reconnect_task)
-    GNUNET_SCHEDULER_cancel (handle->reconnect_task);
-
-  if (handle->mq)
-    GNUNET_MQ_destroy (handle->mq);
-
-  if (handle->name)
-    GNUNET_free(handle->name);
-
-  if (handle->pubkey)
-    GNUNET_free(handle->pubkey);
-
-  if (handle->rooms)
-  {
-    GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, 
iterate_destroy_room, NULL);
-
-    GNUNET_CONTAINER_multihashmap_destroy (handle->rooms);
-  }
-
-  if (handle->contacts)
-  {
-    GNUNET_CONTAINER_multihashmap_iterate (handle->contacts, 
iterate_destroy_contact, NULL);
-
-    GNUNET_CONTAINER_multihashmap_destroy (handle->contacts);
-  }
-
-  GNUNET_free(handle->name);
-}
-
-void
-set_handle_name (struct GNUNET_MESSENGER_Handle *handle, const char *name)
-{
-  if (handle->name)
-    GNUNET_free(handle->name);
-
-  handle->name = name? GNUNET_strdup(name) : NULL;
-}
-
-const char*
-get_handle_name (const struct GNUNET_MESSENGER_Handle *handle)
-{
-  return handle->name;
-}
-
-void
-set_handle_key (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  if (!handle->pubkey)
-    handle->pubkey = GNUNET_new(struct GNUNET_IDENTITY_PublicKey);
-
-  GNUNET_memcpy(handle->pubkey, pubkey, sizeof(*pubkey));
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-get_handle_key (const struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (!handle->pubkey)
-  {
-    struct GNUNET_IDENTITY_Ego *anonymous = GNUNET_IDENTITY_ego_get_anonymous 
();
-    static struct GNUNET_IDENTITY_PublicKey pubkey;
-
-    GNUNET_IDENTITY_ego_get_public_key (anonymous, &pubkey);
-
-    return &pubkey;
-  }
-
-  return handle->pubkey;
-}
-
-struct GNUNET_MESSENGER_Contact*
-get_handle_contact_by_pubkey (const struct GNUNET_MESSENGER_Handle *handle,
-                              const struct GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  struct GNUNET_HashCode hash;
-
-  GNUNET_CRYPTO_hash (pubkey, sizeof(*pubkey), &hash);
-
-  struct GNUNET_MESSENGER_Contact *contact = GNUNET_CONTAINER_multihashmap_get 
(handle->contacts, &hash);
-
-  if (contact)
-    return contact;
-
-  contact = create_contact (pubkey);
-
-  if (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (handle->contacts, &hash, 
contact,
-                                                      
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    return contact;
-
-  destroy_contact (contact);
-  return NULL;
-}
-
-void
-swap_handle_contact_by_pubkey (struct GNUNET_MESSENGER_Handle *handle, struct 
GNUNET_MESSENGER_Contact *contact,
-                               const struct GNUNET_IDENTITY_PublicKey *pubkey)
-{
-  const struct GNUNET_HashCode *hash = get_contact_id_from_key (contact);
-
-  if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (handle->contacts, 
hash, contact))
-  {
-    GNUNET_memcpy(&(contact->public_key), pubkey, sizeof(*pubkey));
-
-    hash = get_contact_id_from_key (contact);
-
-    GNUNET_CONTAINER_multihashmap_put (handle->contacts, hash, contact,
-                                       
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-  }
-}
-
-void
-open_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (room)
-    room->opened = GNUNET_YES;
-}
-
-void
-entry_handle_room_at (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_PeerIdentity *door,
-                      const struct GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if (room)
-    add_to_list_tunnels (&(room->entries), door);
-}
-
-void
-close_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get 
(handle->rooms, key);
-
-  if ((room) && (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove 
(handle->rooms, key, room)))
-    destroy_room (room);
-}
diff --git a/src/messenger/messenger_api_handle.h 
b/src/messenger/messenger_api_handle.h
deleted file mode 100644
index d6cde0106..000000000
--- a/src/messenger/messenger_api_handle.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_handle.h
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_MESSENGER_API_HANDLE_H
-#define GNUNET_MESSENGER_API_HANDLE_H
-
-#include "platform.h"
-#include "gnunet_cadet_service.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_peer_lib.h"
-
-#include "gnunet_messenger_service.h"
-
-#include "messenger_api_contact.h"
-#include "messenger_api_room.h"
-
-struct GNUNET_MESSENGER_Handle
-{
-  const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-  struct GNUNET_MQ_Handle *mq;
-
-  GNUNET_MESSENGER_IdentityCallback identity_callback;
-  void *identity_cls;
-
-  GNUNET_MESSENGER_MessageCallback msg_callback;
-  void *msg_cls;
-
-  char *name;
-  struct GNUNET_IDENTITY_PublicKey *pubkey;
-
-  struct GNUNET_TIME_Relative reconnect_time;
-  struct GNUNET_SCHEDULER_Task *reconnect_task;
-
-  struct GNUNET_CONTAINER_MultiHashMap *rooms;
-  struct GNUNET_CONTAINER_MultiHashMap *contacts;
-};
-
-/**
- * Creates and allocates a new handle using a given configuration and a custom 
message callback
- * with a given closure for the client API.
- *
- * @param cfg Configuration
- * @param msg_callback Message callback
- * @param msg_cls Closure
- * @return New handle
- */
-struct GNUNET_MESSENGER_Handle*
-create_handle (const struct GNUNET_CONFIGURATION_Handle *cfg, 
GNUNET_MESSENGER_IdentityCallback identity_callback,
-               void *identity_cls, GNUNET_MESSENGER_MessageCallback 
msg_callback, void *msg_cls);
-
-/**
- * Destroys a <i>handle</i> and frees its memory fully from the client API.
- *
- * @param handle Handle
- */
-void
-destroy_handle (struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Sets the name of a <i>handle</i> to a specific <i>name</i>.
- *
- * @param handle Handle
- * @param name New name
- */
-void
-set_handle_name (struct GNUNET_MESSENGER_Handle *handle, const char *name);
-
-/**
- * Returns the current name of a given <i>handle</i> or NULL if no valid name 
was assigned yet.
- *
- * @param handle Handle
- * @return Name of the handle or NULL
- */
-const char*
-get_handle_name (const struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Sets the public key of a given <i>handle</i> to a specific public key.
- *
- * @param handle Handle
- * @param pubkey Public key
- */
-void
-set_handle_key (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_IDENTITY_PublicKey *pubkey);
-
-/**
- * Returns the public key of a given <i>handle</i>.
- *
- * @param handle Handle
- * @return Public key of the handle
- */
-const struct GNUNET_IDENTITY_PublicKey*
-get_handle_key (const struct GNUNET_MESSENGER_Handle *handle);
-
-/**
- * Returns a contact known to a <i>handle</i> identified by a given public 
key. If not matching
- * contact is found, NULL gets returned.
- *
- * @param handle Handle
- * @param pubkey Public key of EGO
- * @return Contact or NULL
- */
-struct GNUNET_MESSENGER_Contact*
-get_handle_contact_by_pubkey (const struct GNUNET_MESSENGER_Handle *handle,
-                              const struct GNUNET_IDENTITY_PublicKey *pubkey);
-
-/**
- * Changes the public key for a <i>contact</i> known to a <i>handle</i> to a 
specific public key and
- * updates local map entries to access the contact by its updated key.
- *
- * @param handle Handle
- * @param contact Contact
- * @param pubkey Public key of EGO
- */
-void
-swap_handle_contact_by_pubkey (struct GNUNET_MESSENGER_Handle *handle, struct 
GNUNET_MESSENGER_Contact *contact,
-                               const struct GNUNET_IDENTITY_PublicKey *pubkey);
-
-/**
- * Marks a room known to a <i>handle</i> identified by a given <i>key</i> as 
open.
- *
- * @param handle Handle
- * @param key Key of room
- */
-void
-open_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key);
-
-/**
- * Adds a tunnel for a room known to a <i>handle</i> identified by a given 
<i>key</i> to a
- * list of opened connections.
- *
- * @param handle Handle
- * @param door Peer identity
- * @param key Key of room
- */
-void
-entry_handle_room_at (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_PeerIdentity *door,
-                      const struct GNUNET_HashCode *key);
-
-/**
- * Destroys and so implicitly closes a room known to a <i>handle</i> 
identified by a given <i>key</i>.
- *
- * @param handle Handle
- * @param key Key of room
- */
-void
-close_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key);
-
-#endif //GNUNET_MESSENGER_API_HANDLE_H
diff --git a/src/messenger/messenger_api_list_tunnels.c 
b/src/messenger/messenger_api_list_tunnels.c
deleted file mode 100644
index 13d8c1906..000000000
--- a/src/messenger/messenger_api_list_tunnels.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_list_tunnels.c
- * @brief messenger api: client and service implementation of GNUnet MESSENGER 
service
- */
-
-#include "messenger_api_list_tunnels.h"
-
-void
-init_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels)
-{
-  GNUNET_assert(tunnels);
-
-  tunnels->head = NULL;
-  tunnels->tail = NULL;
-}
-
-void
-clear_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels)
-{
-  GNUNET_assert(tunnels);
-
-  struct GNUNET_MESSENGER_ListTunnel *element;
-
-  for (element = tunnels->head; element; element = tunnels->head)
-  {
-    GNUNET_CONTAINER_DLL_remove(tunnels->head, tunnels->tail, element);
-    GNUNET_PEER_change_rc (element->peer, -1);
-    GNUNET_free(element);
-  }
-
-  tunnels->head = NULL;
-  tunnels->tail = NULL;
-}
-
-static int
-compare_list_tunnels (void *cls, struct GNUNET_MESSENGER_ListTunnel *element0,
-                      struct GNUNET_MESSENGER_ListTunnel *element1)
-{
-  return ((int) element0->peer) - ((int) element1->peer);
-}
-
-void
-add_to_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const 
struct GNUNET_PeerIdentity *peer)
-{
-  struct GNUNET_MESSENGER_ListTunnel *element = GNUNET_new(struct 
GNUNET_MESSENGER_ListTunnel);
-
-  element->peer = GNUNET_PEER_intern (peer);
-
-  GNUNET_CONTAINER_DLL_insert_sorted(struct GNUNET_MESSENGER_ListTunnel, 
compare_list_tunnels, NULL, tunnels->head,
-                                     tunnels->tail, element);
-}
-
-struct GNUNET_MESSENGER_ListTunnel*
-find_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const struct 
GNUNET_PeerIdentity *peer, size_t *index)
-{
-  struct GNUNET_MESSENGER_ListTunnel *element;
-  struct GNUNET_PeerIdentity pid;
-
-  if (index)
-    *index = 0;
-
-  for (element = tunnels->head; element; element = element->next)
-  {
-    GNUNET_PEER_resolve (element->peer, &pid);
-
-    if (0 == GNUNET_memcmp(&pid, peer))
-      return element;
-
-    if (index)
-      (*index) = (*index) + 1;
-  }
-
-  return NULL;
-}
-
-int
-contains_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const 
struct GNUNET_PeerIdentity *peer)
-{
-  return find_list_tunnels (tunnels, peer, NULL) != NULL ? GNUNET_YES : 
GNUNET_NO;
-}
-
-struct GNUNET_MESSENGER_ListTunnel*
-remove_from_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, struct 
GNUNET_MESSENGER_ListTunnel *element)
-{
-  struct GNUNET_MESSENGER_ListTunnel *next = element->next;
-
-  GNUNET_CONTAINER_DLL_remove(tunnels->head, tunnels->tail, element);
-  GNUNET_PEER_change_rc (element->peer, -1);
-  GNUNET_free(element);
-
-  return next;
-}
diff --git a/src/messenger/messenger_api_list_tunnels.h 
b/src/messenger/messenger_api_list_tunnels.h
deleted file mode 100644
index 0240fceb8..000000000
--- a/src/messenger/messenger_api_list_tunnels.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_list_tunnels.h
- * @brief messenger api: client and service implementation of GNUnet MESSENGER 
service
- */
-
-#ifndef GNUNET_MESSENGER_API_LIST_TUNNELS_H
-#define GNUNET_MESSENGER_API_LIST_TUNNELS_H
-
-#include "platform.h"
-#include "gnunet_peer_lib.h"
-#include "gnunet_container_lib.h"
-
-struct GNUNET_MESSENGER_ListTunnel
-{
-  struct GNUNET_MESSENGER_ListTunnel *prev;
-  struct GNUNET_MESSENGER_ListTunnel *next;
-
-  GNUNET_PEER_Id peer;
-};
-
-struct GNUNET_MESSENGER_ListTunnels
-{
-  struct GNUNET_MESSENGER_ListTunnel *head;
-  struct GNUNET_MESSENGER_ListTunnel *tail;
-};
-
-/**
- * Initializes list of tunnels peer identities as empty list.
- *
- * @param tunnels List of peer identities
- */
-void
-init_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels);
-
-/**
- * Clears the list of tunnels peer identities.
- *
- * @param tunnels List of peer identities
- */
-void
-clear_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels);
-
-/**
- * Adds a specific <i>peer</i> from a tunnel to the end of the list.
- *
- * @param tunnels List of peer identities
- * @param peer Peer identity of tunnel
- */
-void
-add_to_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const 
struct GNUNET_PeerIdentity *peer);
-
-/**
- * Searches linearly through the list of tunnels peer identities for matching a
- * specific <i>peer</i> identity and returns the matching element of the list.
- *
- * If no matching element is found, NULL gets returned.
- *
- * If <i>index</i> is not NULL, <i>index</i> will be overriden with the 
numeric index of
- * the found element in the list. If no matching element is found, 
<i>index</i> will
- * contain the total amount of elements in the list.
- *
- * @param tunnels List of peer identities
- * @param peer Peer identity of tunnel
- * @param[out] index Index of found element (optional)
- * @return Element in the list with matching peer identity
- */
-struct GNUNET_MESSENGER_ListTunnel*
-find_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const struct 
GNUNET_PeerIdentity *peer, size_t *index);
-
-/**
- * Tests linearly if the list of tunnels peer identities contains a specific
- * <i>peer</i> identity and returns GNUNET_YES on success, otherwise GNUNET_NO.
- *
- * @param tunnels List of peer identities
- * @param peer Peer identity of tunnel
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-contains_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, const 
struct GNUNET_PeerIdentity *peer);
-
-/**
- * Removes a specific <i>element</i> from the list of tunnels peer identities 
and returns
- * the next element in the list.
- *
- * @param tunnels List of peer identities
- * @param element Element of the list
- * @return Next element in the list
- */
-struct GNUNET_MESSENGER_ListTunnel*
-remove_from_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels, struct 
GNUNET_MESSENGER_ListTunnel *element);
-
-#endif //GNUNET_MESSENGER_API_LIST_TUNNELS_H
diff --git a/src/messenger/messenger_api_message.c 
b/src/messenger/messenger_api_message.c
deleted file mode 100644
index fdab60eef..000000000
--- a/src/messenger/messenger_api_message.c
+++ /dev/null
@@ -1,602 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_message.c
- * @brief messenger api: client and service implementation of GNUnet MESSENGER 
service
- */
-
-#include "messenger_api_message.h"
-
-struct GNUNET_MESSENGER_MessageSignature
-{
-  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
-  struct GNUNET_HashCode hash;
-};
-
-struct GNUNET_MESSENGER_ShortMessage
-{
-  enum GNUNET_MESSENGER_MessageKind kind;
-  struct GNUNET_MESSENGER_MessageBody body;
-};
-
-struct GNUNET_MESSENGER_Message*
-create_message (enum GNUNET_MESSENGER_MessageKind kind)
-{
-  struct GNUNET_MESSENGER_Message *message = GNUNET_new(struct 
GNUNET_MESSENGER_Message);
-
-  message->header.kind = kind;
-
-  switch (message->header.kind)
-  {
-  case GNUNET_MESSENGER_KIND_NAME:
-    message->body.name.name = NULL;
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    message->body.text.text = NULL;
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    message->body.file.uri = NULL;
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    message->body.private.length = 0;
-    message->body.private.data = NULL;
-    break;
-  default:
-    break;
-  }
-
-  return message;
-}
-
-struct GNUNET_MESSENGER_Message*
-copy_message (const struct GNUNET_MESSENGER_Message *message)
-{
-  struct GNUNET_MESSENGER_Message *copy = GNUNET_new(struct 
GNUNET_MESSENGER_Message);
-
-  GNUNET_memcpy(copy, message, sizeof(struct GNUNET_MESSENGER_Message));
-
-  switch (message->header.kind)
-  {
-  case GNUNET_MESSENGER_KIND_NAME:
-    copy->body.name.name = GNUNET_strdup(message->body.name.name);
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    copy->body.text.text = GNUNET_strdup(message->body.text.text);
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    copy->body.file.uri = GNUNET_strdup(message->body.file.uri);
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    copy->body.private.data = copy->body.private.length ? 
GNUNET_malloc(copy->body.private.length) : NULL;
-
-    if (copy->body.private.data)
-    {
-      GNUNET_memcpy(copy->body.private.data, message->body.private.data, 
copy->body.private.length);
-    }
-
-    break;
-  default:
-    break;
-  }
-
-  return copy;
-}
-
-static void
-destroy_message_body (enum GNUNET_MESSENGER_MessageKind kind, struct 
GNUNET_MESSENGER_MessageBody *body)
-{
-  switch (kind)
-  {
-  case GNUNET_MESSENGER_KIND_NAME:
-    GNUNET_free(body->name.name);
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    GNUNET_free(body->text.text);
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    GNUNET_free(body->file.uri);
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    GNUNET_free(body->private.data);
-    break;
-  default:
-    break;
-  }
-}
-
-void
-destroy_message (struct GNUNET_MESSENGER_Message *message)
-{
-  destroy_message_body (message->header.kind, &(message->body));
-
-  GNUNET_free(message);
-}
-
-static void
-fold_short_message (const struct GNUNET_MESSENGER_Message *message, struct 
GNUNET_MESSENGER_ShortMessage *shortened)
-{
-  shortened->kind = message->header.kind;
-
-  GNUNET_memcpy(&(shortened->body), &(message->body), sizeof(struct 
GNUNET_MESSENGER_MessageBody));
-}
-
-static void
-unfold_short_message (struct GNUNET_MESSENGER_ShortMessage *shortened, struct 
GNUNET_MESSENGER_Message *message)
-{
-  destroy_message_body (message->header.kind, &(message->body));
-
-  message->header.kind = shortened->kind;
-
-  GNUNET_memcpy(&(message->body), &(shortened->body), sizeof(struct 
GNUNET_MESSENGER_MessageBody));
-}
-
-#define member_size(type, member) sizeof(((type*) NULL)->member)
-
-static uint16_t
-get_message_body_kind_size (enum GNUNET_MESSENGER_MessageKind kind)
-{
-  uint16_t length = 0;
-
-  switch (kind)
-  {
-  case GNUNET_MESSENGER_KIND_INFO:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.info.host_key);
-    length += member_size(struct GNUNET_MESSENGER_Message, 
body.info.unique_id);
-    break;
-  case GNUNET_MESSENGER_KIND_JOIN:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.join.key);
-    break;
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    break;
-  case GNUNET_MESSENGER_KIND_NAME:
-    break;
-  case GNUNET_MESSENGER_KIND_KEY:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.key.key);
-    break;
-  case GNUNET_MESSENGER_KIND_PEER:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.peer.peer);
-    break;
-  case GNUNET_MESSENGER_KIND_ID:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.id.id);
-    break;
-  case GNUNET_MESSENGER_KIND_MISS:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.miss.peer);
-    break;
-  case GNUNET_MESSENGER_KIND_MERGE:
-    length += member_size(struct GNUNET_MESSENGER_Message, 
body.merge.previous);
-    break;
-  case GNUNET_MESSENGER_KIND_REQUEST:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.request.hash);
-    break;
-  case GNUNET_MESSENGER_KIND_INVITE:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.invite.door);
-    length += member_size(struct GNUNET_MESSENGER_Message, body.invite.key);
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.file.key);
-    length += member_size(struct GNUNET_MESSENGER_Message, body.file.hash);
-    length += NAME_MAX;
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    length += member_size(struct GNUNET_MESSENGER_Message, body.private.key);
-    break;
-  default:
-    break;
-  }
-
-  return length;
-}
-
-uint16_t
-get_message_kind_size (enum GNUNET_MESSENGER_MessageKind kind)
-{
-  uint16_t length = 0;
-
-  length += member_size(struct GNUNET_MESSENGER_Message, header.signature);
-  length += member_size(struct GNUNET_MESSENGER_Message, header.timestamp);
-  length += member_size(struct GNUNET_MESSENGER_Message, header.sender_id);
-  length += member_size(struct GNUNET_MESSENGER_Message, header.previous);
-  length += member_size(struct GNUNET_MESSENGER_Message, header.kind);
-
-  return length + get_message_body_kind_size (kind);
-}
-
-static uint16_t
-get_message_body_size (enum GNUNET_MESSENGER_MessageKind kind, const struct 
GNUNET_MESSENGER_MessageBody *body)
-{
-  uint16_t length = 0;
-
-  switch (kind)
-  {
-  case GNUNET_MESSENGER_KIND_NAME:
-    length += (body->name.name? strlen (body->name.name) : 0);
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    length += strlen (body->text.text);
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    length += strlen (body->file.uri);
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    length += body->private.length;
-    break;
-  default:
-    break;
-  }
-
-  return length;
-}
-
-uint16_t
-get_message_size (const struct GNUNET_MESSENGER_Message *message)
-{
-  return get_message_kind_size (message->header.kind) + get_message_body_size 
(message->header.kind, &(message->body));
-}
-
-static uint16_t
-get_short_message_size (const struct GNUNET_MESSENGER_ShortMessage *message)
-{
-  if (message)
-    return sizeof(message->kind) + get_message_body_kind_size (message->kind)
-           + get_message_body_size (message->kind, &(message->body));
-  else
-    return sizeof(message->kind);
-}
-
-#define min(x, y) (x < y? x : y)
-
-#define encode_step_ext(dst, offset, src, size) do { \
-       GNUNET_memcpy(dst + offset, src, size);                        \
-       offset += size;                                                \
-} while (0)
-
-#define encode_step(dst, offset, src) do {         \
-  encode_step_ext(dst, offset, src, sizeof(*src)); \
-} while(0)
-
-static void
-encode_message_body (enum GNUNET_MESSENGER_MessageKind kind, const struct 
GNUNET_MESSENGER_MessageBody *body,
-                     uint16_t length, char *buffer, uint16_t offset)
-{
-  switch (kind)
-  {
-  case GNUNET_MESSENGER_KIND_INFO:
-    encode_step(buffer, offset, &(body->info.host_key));
-    encode_step(buffer, offset, &(body->info.unique_id));
-    break;
-  case GNUNET_MESSENGER_KIND_JOIN:
-    encode_step(buffer, offset, &(body->join.key));
-    break;
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    break;
-  case GNUNET_MESSENGER_KIND_NAME:
-    if (body->name.name)
-      encode_step_ext(buffer, offset, body->name.name, min(length - offset, 
strlen(body->name.name)));
-    break;
-  case GNUNET_MESSENGER_KIND_KEY:
-    encode_step(buffer, offset, &(body->key.key));
-    break;
-  case GNUNET_MESSENGER_KIND_PEER:
-    encode_step(buffer, offset, &(body->peer.peer));
-    break;
-  case GNUNET_MESSENGER_KIND_ID:
-    encode_step(buffer, offset, &(body->id.id));
-    break;
-  case GNUNET_MESSENGER_KIND_MISS:
-    encode_step(buffer, offset, &(body->miss.peer));
-    break;
-  case GNUNET_MESSENGER_KIND_MERGE:
-    encode_step(buffer, offset, &(body->merge.previous));
-    break;
-  case GNUNET_MESSENGER_KIND_REQUEST:
-    encode_step(buffer, offset, &(body->request.hash));
-    break;
-  case GNUNET_MESSENGER_KIND_INVITE:
-    encode_step(buffer, offset, &(body->invite.door));
-    encode_step(buffer, offset, &(body->invite.key));
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    encode_step_ext(buffer, offset, body->text.text, min(length - offset, 
strlen(body->text.text)));
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    encode_step(buffer, offset, &(body->file.key));
-    encode_step(buffer, offset, &(body->file.hash));
-    encode_step_ext(buffer, offset, body->file.name, NAME_MAX);
-    encode_step_ext(buffer, offset, body->file.uri, min(length - offset, 
strlen(body->file.uri)));
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    encode_step(buffer, offset, &(body->private.key));
-    encode_step_ext(buffer, offset, body->private.data, min(length - offset, 
body->private.length));
-    break;
-  default:
-    break;
-  }
-}
-
-void
-encode_message (const struct GNUNET_MESSENGER_Message *message, uint16_t 
length, char *buffer)
-{
-  uint16_t offset = 0;
-
-  encode_step(buffer, offset, &(message->header.signature));
-  encode_step(buffer, offset, &(message->header.timestamp));
-  encode_step(buffer, offset, &(message->header.sender_id));
-  encode_step(buffer, offset, &(message->header.previous));
-  encode_step(buffer, offset, &(message->header.kind));
-
-  encode_message_body (message->header.kind, &(message->body), length, buffer, 
offset);
-}
-
-static void
-encode_short_message (const struct GNUNET_MESSENGER_ShortMessage *message, 
uint16_t length, char *buffer)
-{
-  uint16_t offset = 0;
-
-  encode_step(buffer, offset, &(message->kind));
-
-  encode_message_body (message->kind, &(message->body), length, buffer, 
offset);
-}
-
-#define decode_step_ext(src, offset, dst, size) do { \
-       GNUNET_memcpy(dst, src + offset, size);                              \
-       offset += size;                                                      \
-} while (0)
-
-#define decode_step(src, offset, dst) do {                              \
-  decode_step_ext(src, offset, dst, sizeof(*dst)); \
-} while (0)
-
-#define decode_step_malloc(src, offset, dst, size, zero) do {  \
-       dst = GNUNET_malloc(size + zero);                           \
-  if (zero) dst[size] = 0;                                                     
                                  \
-       decode_step_ext(src, offset, dst, size);                                
                  \
-} while (0)
-
-static void
-decode_message_body (enum GNUNET_MESSENGER_MessageKind *kind, struct 
GNUNET_MESSENGER_MessageBody *body,
-                     uint16_t length, const char *buffer, uint16_t offset)
-{
-  switch (*kind)
-  {
-  case GNUNET_MESSENGER_KIND_INFO:
-    decode_step(buffer, offset, &(body->info.host_key));
-    decode_step(buffer, offset, &(body->info.unique_id));
-    break;
-  case GNUNET_MESSENGER_KIND_JOIN:
-    decode_step(buffer, offset, &(body->join.key));
-    break;
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    break;
-  case GNUNET_MESSENGER_KIND_NAME:
-    if (length - offset > 0)
-      decode_step_malloc(buffer, offset, body->name.name, length - offset, 1);
-    else
-      body->name.name = NULL;
-    break;
-  case GNUNET_MESSENGER_KIND_KEY:
-    decode_step(buffer, offset, &(body->key.key));
-    break;
-  case GNUNET_MESSENGER_KIND_PEER:
-    decode_step(buffer, offset, &(body->peer.peer));
-    break;
-  case GNUNET_MESSENGER_KIND_ID:
-    decode_step(buffer, offset, &(body->id.id));
-    break;
-  case GNUNET_MESSENGER_KIND_MISS:
-    decode_step(buffer, offset, &(body->miss.peer));
-    break;
-  case GNUNET_MESSENGER_KIND_MERGE:
-    decode_step(buffer, offset, &(body->merge.previous));
-    break;
-  case GNUNET_MESSENGER_KIND_REQUEST:
-    decode_step(buffer, offset, &(body->request.hash));
-    break;
-  case GNUNET_MESSENGER_KIND_INVITE:
-    decode_step(buffer, offset, &(body->invite.door));
-    decode_step(buffer, offset, &(body->invite.key));
-    break;
-  case GNUNET_MESSENGER_KIND_TEXT:
-    decode_step_malloc(buffer, offset, body->text.text, length - offset, 1);
-    break;
-  case GNUNET_MESSENGER_KIND_FILE:
-    decode_step(buffer, offset, &(body->file.key));
-    decode_step(buffer, offset, &(body->file.hash));
-    decode_step_ext(buffer, offset, body->file.name, NAME_MAX);
-    decode_step_malloc(buffer, offset, body->file.uri, length - offset, 1);
-    break;
-  case GNUNET_MESSENGER_KIND_PRIVATE:
-    decode_step(buffer, offset, &(body->private.key));
-
-    body->private.length = (length - offset);
-    decode_step_malloc(buffer, offset, body->private.data, length - offset, 0);
-    break;
-  default:
-    *kind = GNUNET_MESSENGER_KIND_UNKNOWN;
-    break;
-  }
-}
-
-int
-decode_message (struct GNUNET_MESSENGER_Message *message, uint16_t length, 
const char *buffer)
-{
-  uint16_t offset = 0;
-
-  if (length < get_message_kind_size (GNUNET_MESSENGER_KIND_UNKNOWN))
-    return GNUNET_NO;
-
-  decode_step(buffer, offset, &(message->header.signature));
-  decode_step(buffer, offset, &(message->header.timestamp));
-  decode_step(buffer, offset, &(message->header.sender_id));
-  decode_step(buffer, offset, &(message->header.previous));
-  decode_step(buffer, offset, &(message->header.kind));
-
-  if (length < get_message_kind_size (message->header.kind))
-    return GNUNET_NO;
-
-  decode_message_body (&(message->header.kind), &(message->body), length, 
buffer, offset);
-
-  return GNUNET_YES;
-}
-
-static int
-decode_short_message (struct GNUNET_MESSENGER_ShortMessage *message, uint16_t 
length, const char *buffer)
-{
-  uint16_t offset = 0;
-
-  if (length < get_short_message_size (NULL))
-    return GNUNET_NO;
-
-  decode_step(buffer, offset, &(message->kind));
-
-  if (length < get_short_message_size (message))
-    return GNUNET_NO;
-
-  decode_message_body (&(message->kind), &(message->body), length, buffer, 
offset);
-
-  return GNUNET_YES;
-}
-
-void
-hash_message (uint16_t length, const char *buffer, struct GNUNET_HashCode 
*hash)
-{
-  GNUNET_CRYPTO_hash (buffer + sizeof(struct GNUNET_CRYPTO_EcdsaSignature),
-                      length - sizeof(struct GNUNET_CRYPTO_EcdsaSignature), 
hash);
-}
-
-void
-sign_message (struct GNUNET_MESSENGER_Message *message, uint16_t length, char 
*buffer,
-              const struct GNUNET_HashCode *hash, const struct 
GNUNET_MESSENGER_Ego *ego)
-{
-  struct GNUNET_MESSENGER_MessageSignature signature;
-
-  signature.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_CHAT_MESSAGE);
-  signature.purpose.size = htonl (sizeof(signature));
-
-  GNUNET_memcpy(&(signature.hash), hash, sizeof(struct GNUNET_HashCode));
-
-  GNUNET_IDENTITY_sign(&(ego->priv), &signature, &(message->header.signature));
-  GNUNET_memcpy(buffer, &(message->header.signature), sizeof(struct 
GNUNET_CRYPTO_EcdsaSignature));
-}
-
-int
-verify_message (const struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash,
-                const struct GNUNET_IDENTITY_PublicKey *key)
-{
-  struct GNUNET_MESSENGER_MessageSignature signature;
-
-  signature.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_CHAT_MESSAGE);
-  signature.purpose.size = htonl (sizeof(signature));
-
-  GNUNET_memcpy(&(signature.hash), hash, sizeof(struct GNUNET_HashCode));
-
-  return 
GNUNET_IDENTITY_signature_verify(GNUNET_SIGNATURE_PURPOSE_CHAT_MESSAGE, 
&signature,
-                                          &(message->header.signature), key);
-}
-
-int
-encrypt_message (struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_IDENTITY_PublicKey *key)
-{
-  struct GNUNET_MESSENGER_ShortMessage shortened;
-
-  fold_short_message (message, &shortened);
-
-  const uint16_t length = get_short_message_size (&shortened);
-
-  message->header.kind = GNUNET_MESSENGER_KIND_PRIVATE;
-  message->body.private.data = GNUNET_malloc(length);
-
-  encode_short_message (&shortened, length, message->body.private.data);
-
-  if (GNUNET_IDENTITY_encrypt (message->body.private.data, length, key, 
&(message->body.private.key),
-                               message->body.private.data)
-      == length)
-  {
-    destroy_message_body (shortened.kind, &(shortened.body));
-    return GNUNET_YES;
-  }
-  else
-  {
-    unfold_short_message (&shortened, message);
-    return GNUNET_NO;
-  }
-}
-
-int
-decrypt_message (struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_IDENTITY_PrivateKey *key)
-{
-  if (message->body.private.length != GNUNET_IDENTITY_decrypt 
(message->body.private.data,
-                                                               
message->body.private.length, key,
-                                                               
&(message->body.private.key),
-                                                               
message->body.private.data))
-    return GNUNET_NO;
-
-  struct GNUNET_MESSENGER_ShortMessage shortened;
-
-  if (GNUNET_YES != decode_short_message (&shortened, 
message->body.private.length, message->body.private.data))
-    return GNUNET_NO;
-
-  unfold_short_message (&shortened, message);
-  return GNUNET_YES;
-}
-
-struct GNUNET_MQ_Envelope*
-pack_message (struct GNUNET_MESSENGER_Message *message, struct GNUNET_HashCode 
*hash,
-              const struct GNUNET_MESSENGER_Ego *ego, int mode)
-{
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Packing message: %u\n", 
message->header.kind);
-
-  struct GNUNET_MessageHeader *header;
-
-  uint16_t length = get_message_size (message);
-
-  struct GNUNET_MQ_Envelope *env;
-  char *buffer;
-
-  if (GNUNET_MESSENGER_PACK_MODE_ENVELOPE == mode)
-  {
-    env = GNUNET_MQ_msg_extra(header, length, GNUNET_MESSAGE_TYPE_CADET_CLI);
-
-    buffer = (char*) &(header[1]);
-  }
-  else
-  {
-    env = NULL;
-
-    buffer = GNUNET_malloc(length);
-  }
-
-  encode_message (message, length, buffer);
-
-  if (hash)
-  {
-    hash_message (length, buffer, hash);
-
-    if (ego)
-      sign_message (message, length, buffer, hash, ego);
-  }
-
-  if (GNUNET_MESSENGER_PACK_MODE_ENVELOPE != mode)
-    GNUNET_free(buffer);
-
-  return env;
-}
diff --git a/src/messenger/messenger_api_message.h 
b/src/messenger/messenger_api_message.h
deleted file mode 100644
index 0f0a97e9c..000000000
--- a/src/messenger/messenger_api_message.h
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_message.h
- * @brief messenger api: client and service implementation of GNUnet MESSENGER 
service
- */
-
-#ifndef GNUNET_MESSENGER_API_MESSAGE_H
-#define GNUNET_MESSENGER_API_MESSAGE_H
-
-#include "platform.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_mq_lib.h"
-#include "gnunet_signatures.h"
-
-#include "gnunet_messenger_service.h"
-
-#include "messenger_api_ego.h"
-
-/**
- * Creates and allocates a new message with a specific <i>kind</i>.
- *
- * @param kind Kind of message
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-create_message (enum GNUNET_MESSENGER_MessageKind kind);
-
-/**
- * Creates and allocates a copy of a given <i>message</i>.
- *
- * @param message Message
- * @return New message
- */
-struct GNUNET_MESSENGER_Message*
-copy_message (const struct GNUNET_MESSENGER_Message *message);
-
-/**
- * Destroys a message and frees its memory fully.
- *
- * @param message Message
- */
-void
-destroy_message (struct GNUNET_MESSENGER_Message *message);
-
-/**
- * Returns the minimal size in bytes to encode a message of a specific 
<i>kind</i>.
- *
- * @param kind Kind of message
- * @return Minimal size to encode
- */
-uint16_t
-get_message_kind_size (enum GNUNET_MESSENGER_MessageKind kind);
-
-/**
- * Returns the exact size in bytes to encode a given <i>message</i>.
- *
- * @param message Message
- * @return Size to encode
- */
-uint16_t
-get_message_size (const struct GNUNET_MESSENGER_Message *message);
-
-/**
- * Encodes a given <i>message</i> into a <i>buffer</i> of a maximal 
<i>length</i> in bytes.
- *
- * @param message Message
- * @param length Maximal length to encode
- * @param[out] buffer Buffer
- */
-void
-encode_message (const struct GNUNET_MESSENGER_Message *message, uint16_t 
length, char *buffer);
-
-/**
- * Decodes a <i>message</i> from a given <i>buffer</i> of a maximal 
<i>length</i> in bytes.
- *
- * If the buffer is too small for a message of its decoded kind the function 
fails with
- * resulting GNUNET_NO after decoding only the messages header.
- *
- * On success the function returns GNUNET_YES.
- *
- * @param[out] message Message
- * @param length Maximal length to decode
- * @param buffer Buffer
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-decode_message (struct GNUNET_MESSENGER_Message *message, uint16_t length, 
const char *buffer);
-
-/**
- * Calculates a <i>hash</i> of a given <i>buffer</i> of a <i>length</i> in 
bytes.
- *
- * @param length Length of buffer
- * @param buffer Buffer
- * @param[out] hash Hash
- */
-void
-hash_message (uint16_t length, const char *buffer, struct GNUNET_HashCode 
*hash);
-
-/**
- * Signs the <i>hash</i> of a <i>message</i> with a given <i>ego</i> and 
writes the signature
- * into the <i>buffer</i> as well.
- *
- * @param[out] message Message
- * @param length Length of buffer
- * @param[out] buffer Buffer
- * @param hash Hash of message
- * @param ego EGO
- */
-void
-sign_message (struct GNUNET_MESSENGER_Message *message, uint16_t length, char 
*buffer,
-              const struct GNUNET_HashCode *hash, const struct 
GNUNET_MESSENGER_Ego *ego);
-
-/**
- * Verifies the signature of a given <i>message</i> and its <i>hash</i> with a 
specific
- * public key. The function returns GNUNET_OK if the signature was valid, 
otherwise
- * GNUNET_SYSERR.
- *
- * @param message Message
- * @param hash Hash of message
- * @param key Public key of EGO
- * @return GNUNET_OK on success, otherwise GNUNET_SYSERR
- */
-int
-verify_message (const struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_HashCode *hash,
-                const struct GNUNET_IDENTITY_PublicKey *key);
-
-/**
- * Encrypts a <i>message</i> using a given public <i>key</i> and replaces its 
body
- * and kind with the now private encrypted <i>message</i>. The function returns
- * GNUNET_YES if the operation succeeded, otherwise GNUNET_NO.
- *
- * @param message Message
- * @param key Public key of EGO
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-encrypt_message (struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_IDENTITY_PublicKey *key);
-
-/**
- * Decrypts a private <i>message</i> using a given private <i>key</i> and 
replaces its body
- * and kind with the inner encrypted message. The function returns GNUNET_YES 
if the
- * operation succeeded, otherwise GNUNET_NO.
- *
- * @param message Message
- * @param key Private key of EGO
- * @return GNUNET_YES on success, otherwise GNUNET_NO
- */
-int
-decrypt_message (struct GNUNET_MESSENGER_Message *message, const struct 
GNUNET_IDENTITY_PrivateKey *key);
-
-#define GNUNET_MESSENGER_PACK_MODE_ENVELOPE 0x1
-#define GNUNET_MESSENGER_PACK_MODE_UNKNOWN 0x0
-
-/**
- * Encodes the <i>message</i> to pack it into a newly allocated envelope if 
<i>mode</i>
- * is equal to GNUNET_MESSENGER_PACK_MODE_ENVELOPE. Independent of the mode 
the message
- * will be hashed if <i>hash</i> is not NULL and it will be signed if the 
<i>ego</i> is
- * not NULL.
- *
- * @param[out] message Message
- * @param[out] hash Hash of message
- * @param ego EGO to sign
- * @param mode Mode of packing
- * @return Envelope or NULL
- */
-struct GNUNET_MQ_Envelope*
-pack_message (struct GNUNET_MESSENGER_Message *message, struct GNUNET_HashCode 
*hash,
-              const struct GNUNET_MESSENGER_Ego *ego, int mode);
-
-#endif //GNUNET_MESSENGER_API_MESSAGE_H
diff --git a/src/messenger/messenger_api_room.c 
b/src/messenger/messenger_api_room.c
deleted file mode 100644
index 5fedf1a78..000000000
--- a/src/messenger/messenger_api_room.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_room.c
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#include "messenger_api_room.h"
-
-#include "messenger_api_handle.h"
-
-struct GNUNET_MESSENGER_Room*
-create_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key)
-{
-  struct GNUNET_MESSENGER_Room *room = GNUNET_new(struct 
GNUNET_MESSENGER_Room);
-
-  room->handle = handle;
-  GNUNET_memcpy(&(room->key), key, sizeof(*key));
-
-  room->opened = GNUNET_NO;
-  room->contact_id = NULL;
-
-  room->members = GNUNET_CONTAINER_multishortmap_create (8, GNUNET_NO);
-
-  init_list_tunnels (&(room->entries));
-
-  room->messages = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
-
-  return room;
-}
-
-static int
-iterate_destroy_message (void *cls, const struct GNUNET_HashCode *key, void 
*value)
-{
-  struct GNUNET_MESSENGER_Message *message = value;
-
-  destroy_message (message);
-
-  return GNUNET_YES;
-}
-
-void
-destroy_room (struct GNUNET_MESSENGER_Room *room)
-{
-  if (room->members)
-    GNUNET_CONTAINER_multishortmap_destroy (room->members);
-
-  clear_list_tunnels (&(room->entries));
-
-  if (room->messages)
-  {
-    GNUNET_CONTAINER_multihashmap_iterate (room->messages, 
iterate_destroy_message, NULL);
-
-    GNUNET_CONTAINER_multihashmap_destroy (room->messages);
-  }
-
-  if (room->contact_id)
-    GNUNET_free(room->contact_id);
-
-  GNUNET_free(room);
-}
-
-const struct GNUNET_MESSENGER_Message*
-get_room_message (const struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_HashCode *hash)
-{
-  return GNUNET_CONTAINER_multihashmap_get (room->messages, hash);
-}
-
-static void
-handle_join_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                     const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Contact *contact = get_handle_contact_by_pubkey 
(room->handle, &(message->body.join.key));
-
-  if (contact)
-    GNUNET_CONTAINER_multishortmap_put (room->members, 
&(message->header.sender_id), contact,
-                                        
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-}
-
-static void
-handle_leave_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                      const struct GNUNET_HashCode *hash)
-{
-  GNUNET_CONTAINER_multishortmap_remove_all (room->members, 
&(message->header.sender_id));
-}
-
-static void
-handle_name_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                     const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Contact *contact = 
GNUNET_CONTAINER_multishortmap_get (room->members,
-                                                                               
  &(message->header.sender_id));
-
-  if (contact)
-    set_contact_name (contact, message->body.name.name);
-}
-
-static void
-handle_key_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                    const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Contact *contact = 
GNUNET_CONTAINER_multishortmap_get (room->members,
-                                                                               
  &(message->header.sender_id));
-
-  if (contact)
-    swap_handle_contact_by_pubkey (room->handle, contact, 
&(message->body.key.key));
-}
-
-static void
-handle_id_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                   const struct GNUNET_HashCode *hash)
-{
-  struct GNUNET_MESSENGER_Contact *contact = 
GNUNET_CONTAINER_multishortmap_get (room->members,
-                                                                               
  &(message->header.sender_id));
-
-  if ((contact) && (GNUNET_OK
-      == GNUNET_CONTAINER_multishortmap_put (room->members, 
&(message->body.id.id), contact,
-                                             
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
-    GNUNET_CONTAINER_multishortmap_remove (room->members, 
&(message->header.sender_id), contact);
-}
-
-static void
-handle_miss_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                     const struct GNUNET_HashCode *hash)
-{
-  if ((room->contact_id) && (0 == GNUNET_memcmp(&(message->header.sender_id), 
room->contact_id)))
-  {
-    struct GNUNET_MESSENGER_ListTunnel *match = find_list_tunnels 
(&(room->entries), &(message->body.miss.peer), NULL);
-
-    if (match)
-      remove_from_list_tunnels (&(room->entries), match);
-  }
-}
-
-void
-handle_room_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                     const struct GNUNET_HashCode *hash)
-{
-  if (GNUNET_NO != GNUNET_CONTAINER_multihashmap_contains (room->messages, 
hash))
-    return;
-
-  switch (message->header.kind)
-  {
-  case GNUNET_MESSENGER_KIND_JOIN:
-    handle_join_message (room, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_LEAVE:
-    handle_leave_message (room, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_NAME:
-    handle_name_message (room, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_KEY:
-    handle_key_message (room, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_ID:
-    handle_id_message (room, message, hash);
-    break;
-  case GNUNET_MESSENGER_KIND_MISS:
-    handle_miss_message (room, message, hash);
-    break;
-  default:
-    break;
-  }
-
-  struct GNUNET_MESSENGER_Message *clone = copy_message (message);
-
-  if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (room->messages, hash, 
clone,
-                                                      
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
-    destroy_message (clone);
-}
diff --git a/src/messenger/messenger_api_room.h 
b/src/messenger/messenger_api_room.h
deleted file mode 100644
index 0038128d8..000000000
--- a/src/messenger/messenger_api_room.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api_room.h
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#ifndef GNUNET_MESSENGER_API_ROOM_H
-#define GNUNET_MESSENGER_API_ROOM_H
-
-#include "platform.h"
-#include "gnunet_container_lib.h"
-#include "gnunet_crypto_lib.h"
-
-#include "gnunet_messenger_service.h"
-
-#include "messenger_api_list_tunnels.h"
-#include "messenger_api_contact.h"
-#include "messenger_api_message.h"
-
-struct GNUNET_MESSENGER_Room
-{
-  struct GNUNET_MESSENGER_Handle *handle;
-  struct GNUNET_HashCode key;
-
-  int opened;
-
-  struct GNUNET_ShortHashCode *contact_id;
-
-  struct GNUNET_CONTAINER_MultiShortmap *members;
-  struct GNUNET_MESSENGER_ListTunnels entries;
-
-  struct GNUNET_CONTAINER_MultiHashMap *messages;
-};
-
-/**
- * Creates and allocates a new room for a <i>handle</i> with a given 
<i>key</i> for the client API.
- *
- * @param handle Handle
- * @param key Key of room
- * @return New room
- */
-struct GNUNET_MESSENGER_Room*
-create_room (struct GNUNET_MESSENGER_Handle *handle, const struct 
GNUNET_HashCode *key);
-
-/**
- * Destroys a room and frees its memory fully from the client API.
- *
- * @param room Room
- */
-void
-destroy_room (struct GNUNET_MESSENGER_Room *room);
-
-/**
- * Returns a message locally stored from a map for a given <i>hash</i> in a 
<i>room</i>. If no matching
- * message is found, NULL gets returned.
- *
- * @param room Room
- * @param hash Hash of message
- * @return Message or NULL
- */
-const struct GNUNET_MESSENGER_Message*
-get_room_message (const struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_HashCode *hash);
-
-/**
- * Handles a <i>message</i> with a given <i>hash</i> in a <i>room</i> for the 
client API to update
- * members and its information. The function also stores the message in map 
locally for access afterwards.
- *
- * @param room Room
- * @param message Message
- * @param hash Hash of message
- */
-void
-handle_room_message (struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-                     const struct GNUNET_HashCode *hash);
-
-#endif //GNUNET_MESSENGER_API_ROOM_H
diff --git a/src/messenger/test_messenger.c b/src/messenger/test_messenger.c
deleted file mode 100644
index b42dfe6d9..000000000
--- a/src/messenger/test_messenger.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @file messenger/test_messenger.c
- * @author Tobias Frisch
- * @brief Test for the messenger service using cadet API.
- */
-#include <stdio.h>
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_testing_lib.h"
-#include "gnunet_messenger_service.h"
-
-/**
- * How long until we really give up on a particular testcase portion?
- */
-#define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
\
-                                                     60)
-
-/**
- * How long until we give up on any particular operation (and retry)?
- */
-#define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
5)
-
-#define TESTER_NAME "tester"
-
-static int status = 1;
-
-static struct GNUNET_SCHEDULER_Task *die_task = NULL;
-static struct GNUNET_SCHEDULER_Task *op_task = NULL;
-
-struct GNUNET_MESSENGER_Handle *messenger = NULL;
-
-static void
-end (void *cls)
-{
-  die_task = NULL;
-
-  if (op_task)
-  {
-    GNUNET_SCHEDULER_cancel (op_task);
-    op_task = NULL;
-  }
-
-  if (messenger)
-  {
-    GNUNET_MESSENGER_disconnect(messenger);
-    messenger = NULL;
-  }
-
-  status = 0;
-}
-
-
-static void
-end_badly (void *cls)
-{
-  fprintf (stderr, "Testcase failed (timeout).\n");
-
-  end (NULL);
-  status = 1;
-}
-
-static void
-end_operation (void *cls)
-{
-  op_task = NULL;
-
-  fprintf (stderr, "Testcase failed (operation: '%s').\n", cls? (const char*) 
cls : "unknown");
-
-  if (die_task)
-    GNUNET_SCHEDULER_cancel (die_task);
-
-  end (NULL);
-  status = 1;
-}
-
-static int identity_counter = 0;
-
-/**
- * Function called when an identity is retrieved.
- *
- * @param cls Closure
- * @param handle Handle of messenger service
- */
-static void
-on_identity (void *cls, struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (op_task)
-  {
-    GNUNET_SCHEDULER_cancel (op_task);
-    op_task = NULL;
-  }
-
-  const char* name = GNUNET_MESSENGER_get_name(handle);
-
-  if (0 != strcmp(name, TESTER_NAME))
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "name");
-    return;
-  }
-
-  struct GNUNET_IDENTITY_Ego* ego = GNUNET_IDENTITY_ego_get_anonymous();
-  struct GNUNET_IDENTITY_PublicKey anonymous_key;
-
-  GNUNET_IDENTITY_ego_get_public_key(ego, &anonymous_key);
-
-  const struct GNUNET_IDENTITY_PublicKey* key = 
GNUNET_MESSENGER_get_key(handle);
-
-  if (((!identity_counter) && (0 != GNUNET_memcmp(key, (&anonymous_key)))) ||
-      ((identity_counter) && (0 == GNUNET_memcmp(key, (&anonymous_key)))))
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "key");
-    return;
-  }
-
-  if (identity_counter) {
-    GNUNET_MESSENGER_disconnect(handle);
-
-    op_task = NULL;
-    messenger = NULL;
-
-    if (die_task)
-      GNUNET_SCHEDULER_cancel (die_task);
-
-    die_task = GNUNET_SCHEDULER_add_now (&end, NULL);
-    return;
-  }
-
-  GNUNET_MESSENGER_update(messenger);
-  identity_counter++;
-}
-
-/**
- * Main function for testcase.
- *
- * @param cls Closure
- * @param cfg Configuration
- * @param peer Peer for testing
- */
-static void
-run (void *cls,
-     const struct GNUNET_CONFIGURATION_Handle *cfg,
-     struct GNUNET_TESTING_Peer *peer)
-{
-  die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT, &end_badly, NULL);
-
-  identity_counter = 0;
-
-  op_task = GNUNET_SCHEDULER_add_delayed (BASE_TIMEOUT, &end_operation, 
"connect");
-  messenger = GNUNET_MESSENGER_connect(cfg, TESTER_NAME, &on_identity, NULL, 
NULL, NULL);
-}
-
-/**
- * The main function.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
-int
-main(int argc, char **argv)
-{
-  if (0 != GNUNET_TESTING_peer_run("test-messenger",
-                                   "test_messenger_api.conf",
-                                   &run, NULL))
-    return 1;
-
-  return status;
-}
diff --git a/src/messenger/test_messenger_anonymous.c 
b/src/messenger/test_messenger_anonymous.c
deleted file mode 100644
index e2057acc4..000000000
--- a/src/messenger/test_messenger_anonymous.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @file messenger/test_messenger_anonymous.c
- * @author Tobias Frisch
- * @brief Test for the messenger service using cadet API.
- */
-#include <stdio.h>
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_testing_lib.h"
-#include "gnunet_messenger_service.h"
-
-/**
- * How long until we really give up on a particular testcase portion?
- */
-#define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
\
-                                                     60)
-
-/**
- * How long until we give up on any particular operation (and retry)?
- */
-#define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
5)
-
-static int status = 1;
-
-static struct GNUNET_SCHEDULER_Task *die_task = NULL;
-static struct GNUNET_SCHEDULER_Task *op_task = NULL;
-
-struct GNUNET_MESSENGER_Handle *messenger = NULL;
-
-static void
-end (void *cls)
-{
-  die_task = NULL;
-
-  if (op_task)
-  {
-    GNUNET_SCHEDULER_cancel (op_task);
-    op_task = NULL;
-  }
-
-  if (messenger)
-  {
-    GNUNET_MESSENGER_disconnect(messenger);
-    messenger = NULL;
-  }
-
-  status = 0;
-}
-
-
-static void
-end_badly (void *cls)
-{
-  fprintf (stderr, "Testcase failed (timeout).\n");
-
-  end (NULL);
-  status = 1;
-}
-
-static void
-end_operation (void *cls)
-{
-  op_task = NULL;
-
-  fprintf (stderr, "Testcase failed (operation: '%s').\n", cls? (const char*) 
cls : "unknown");
-
-  if (die_task)
-    GNUNET_SCHEDULER_cancel (die_task);
-
-  end (NULL);
-  status = 1;
-}
-
-/**
- * Function called when an identity is retrieved.
- *
- * @param cls Closure
- * @param handle Handle of messenger service
- */
-static void
-on_identity (void *cls, struct GNUNET_MESSENGER_Handle *handle)
-{
-  if (op_task)
-  {
-    GNUNET_SCHEDULER_cancel (op_task);
-    op_task = NULL;
-  }
-
-  const char* name = GNUNET_MESSENGER_get_name(handle);
-
-  if (NULL != name)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "name-anonymous");
-    return;
-  }
-
-  if (GNUNET_SYSERR != GNUNET_MESSENGER_update(handle))
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "update-fail");
-    return;
-  }
-
-  struct GNUNET_IDENTITY_Ego* ego = GNUNET_IDENTITY_ego_get_anonymous();
-  struct GNUNET_IDENTITY_PublicKey anonymous_key;
-
-  GNUNET_IDENTITY_ego_get_public_key(ego, &anonymous_key);
-
-  const struct GNUNET_IDENTITY_PublicKey* key = 
GNUNET_MESSENGER_get_key(handle);
-
-  if (0 != GNUNET_memcmp(key, (&anonymous_key)))
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "key-anonymous");
-    return;
-  }
-
-  GNUNET_MESSENGER_disconnect(handle);
-
-  messenger = NULL;
-
-  if (die_task)
-    GNUNET_SCHEDULER_cancel (die_task);
-
-  die_task = GNUNET_SCHEDULER_add_now (&end, NULL);
-}
-
-/**
- * Main function for testcase.
- *
- * @param cls Closure
- * @param cfg Configuration
- * @param peer Peer for testing
- */
-static void
-run (void *cls,
-     const struct GNUNET_CONFIGURATION_Handle *cfg,
-     struct GNUNET_TESTING_Peer *peer)
-{
-  die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT, &end_badly, NULL);
-
-  op_task = GNUNET_SCHEDULER_add_delayed (BASE_TIMEOUT, &end_operation, 
"connect");
-  messenger = GNUNET_MESSENGER_connect(cfg, NULL, &on_identity, NULL, NULL, 
NULL);
-}
-
-/**
- * The main function.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
-int
-main(int argc, char **argv)
-{
-  if (0 != GNUNET_TESTING_peer_run("test-messenger",
-                                   "test_messenger_api.conf",
-                                   &run, NULL))
-    return 1;
-
-  return status;
-}
diff --git a/src/messenger/test_messenger_comm0.c 
b/src/messenger/test_messenger_comm0.c
deleted file mode 100644
index 631b5b2c9..000000000
--- a/src/messenger/test_messenger_comm0.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
-   This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
-
-   GNUnet is free software: you can redistribute it and/or modify it
-   under the terms of the GNU Affero General Public License as published
-   by the Free Software Foundation, either version 3 of the License,
-   or (at your option) any later version.
-
-   GNUnet is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-   SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @file messenger/test_messenger_comm0.c
- * @author Tobias Frisch
- * @brief Test for the messenger service using cadet API.
- */
-#include <stdio.h>
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_testbed_logger_service.h"
-#include "gnunet_testbed_service.h"
-#include "gnunet_testing_lib.h"
-#include "gnunet_messenger_service.h"
-
-/**
- * How long until we really give up on a particular testcase portion?
- */
-#define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
\
-                                                     60)
-
-/**
- * How long until we give up on any particular operation (and retry)?
- */
-#define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 
5)
-
-static int status = 1;
-
-static struct GNUNET_SCHEDULER_Task *die_task = NULL;
-static struct GNUNET_SCHEDULER_Task *op_task = NULL;
-
-static void
-end (void *cls)
-{
-  die_task = NULL;
-
-  if (op_task)
-  {
-    GNUNET_SCHEDULER_cancel (op_task);
-    op_task = NULL;
-  }
-
-  GNUNET_SCHEDULER_shutdown ();
-  status = 0;
-}
-
-
-static void
-end_badly (void *cls)
-{
-  fprintf (stderr, "Testcase failed (timeout).\n");
-
-  end (NULL);
-  status = 1;
-}
-
-static void
-end_operation (void *cls)
-{
-  op_task = NULL;
-
-  fprintf (stderr, "Testcase failed (operation: '%s').\n", cls? (const char*) 
cls : "unknown");
-
-  if (die_task)
-    GNUNET_SCHEDULER_cancel (die_task);
-
-  end (NULL);
-  status = 1;
-}
-
-static void
-end_error (void *cls)
-{
-  op_task = NULL;
-
-  fprintf (stderr, "Testcase failed (error: '%s').\n", cls? (const char*) cls 
: "unknown");
-  GNUNET_free(cls);
-
-  if (die_task)
-    GNUNET_SCHEDULER_cancel (die_task);
-
-  end (NULL);
-  status = 1;
-}
-
-/**
- * Function called whenever a message is received or sent.
- *
- * @param cls Closure
- * @param room Room
- * @param message Message
- * @param hash Hash of message
- */
-static void
-on_message (void *cls, const struct GNUNET_MESSENGER_Room *room, const struct 
GNUNET_MESSENGER_Message *message,
-            const struct GNUNET_HashCode *hash)
-{
-  // TODO
-}
-
-/**
- * Function called when an identity is retrieved.
- *
- * @param cls Closure
- * @param handle Handle of messenger service
- */
-static void
-on_identity (void *cls, struct GNUNET_MESSENGER_Handle *handle)
-{
-  // TODO
-}
-
-static void
-on_peer (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
-         const struct GNUNET_TESTBED_PeerInformation *pinfo,
-         const char *emsg)
-{
-  if (emsg)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_error, GNUNET_strdup(emsg));
-    return;
-  }
-
-  if (pinfo->pit != GNUNET_TESTBED_PIT_CONFIGURATION)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "config");
-    return;
-  }
-
-  struct GNUNET_MESSENGER_Handle *handle;
-  struct GNUNET_MESSENGER_Room *room;
-
-  fprintf (stderr, "MSG: connect\n");
-
-  handle = GNUNET_MESSENGER_connect(pinfo->result.cfg, "tester", &on_identity, 
NULL, &on_message, NULL);
-
-  struct GNUNET_HashCode hash;
-  GNUNET_CRYPTO_hash("test", 4, &hash);
-
-  fprintf (stderr, "MSG: open\n");
-
-  room = GNUNET_MESSENGER_open_room(handle, &hash);
-
-  fprintf (stderr, "MSG: close\n");
-
-  GNUNET_MESSENGER_close_room(room);
-
-  fprintf (stderr, "MSG: disconnect\n");
-
-  GNUNET_MESSENGER_disconnect(handle);
-
-  GNUNET_TESTBED_operation_done(op);
-
-}
-
-/**
- * Main function for a peer of the testcase.
- *
- * @param cls Closure
- * @param event Information about the event
- */
-static void
-run (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
-{
-  if (GNUNET_TESTBED_ET_PEER_START != event->type)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "start");
-    return;
-  }
-
-  GNUNET_TESTBED_peer_get_information(event->details.peer_start.peer,
-                                      GNUNET_TESTBED_PIT_CONFIGURATION,
-                                      on_peer, event->details.peer_start.peer);
-
-  fprintf (stderr, "MSG: barrier\n");
-
-  GNUNET_TESTBED_barrier_wait("exit", NULL, NULL);
-
-  fprintf (stderr, "MSG: exit\n");
-}
-
-static void
-exit_status (void *cls, const char *name,
-             struct GNUNET_TESTBED_Barrier *barrier,
-             enum GNUNET_TESTBED_BarrierStatus status,
-             const char *emsg)
-{
-  if (emsg)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_error, GNUNET_strdup(emsg));
-    return;
-  }
-
-  if (GNUNET_TESTBED_BARRIERSTATUS_ERROR == status)
-  {
-    op_task = GNUNET_SCHEDULER_add_now (&end_operation, "exit");
-    return;
-  }
-  else if (GNUNET_TESTBED_BARRIERSTATUS_CROSSED == status)
-    GNUNET_SCHEDULER_add_now(&end, NULL);
-}
-
-static void
-init (void *cls, struct GNUNET_TESTBED_RunHandle *h, unsigned int num_peers,
-      struct GNUNET_TESTBED_Peer **peers, unsigned int links_succeeded,
-      unsigned int links_failed)
-{
-  die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT, &end_badly, NULL);
-
-  struct GNUNET_TESTBED_Controller *controller;
-
-  controller = GNUNET_TESTBED_run_get_controller_handle(h);
-
-  GNUNET_TESTBED_barrier_init(controller, "exit", num_peers, exit_status, 
NULL);
-}
-
-/**
- * The main function.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
-int
-main(int argc, char **argv)
-{
-  if (GNUNET_OK != GNUNET_TESTBED_test_run("test-messenger-comm0",
-                                           "test_messenger_api.conf",
-                                           2, 0,
-                                           &run, NULL,
-                                           &init, NULL))
-    return 1;
-
-  return status;
-}

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