[GNUnet-SVN] r23360 - gnunet/src/transport

[gnunet]

Author: wachs
Date: 2012-08-22 15:41:23 +0200 (Wed, 22 Aug 2012)
New Revision: 23360

Added:
   gnunet/src/transport/plugin_transport_http_common.c
   gnunet/src/transport/plugin_transport_http_common.h
Modified:
   gnunet/src/transport/Makefile.am
   gnunet/src/transport/plugin_transport_http_client.c
   gnunet/src/transport/plugin_transport_http_server.c
   gnunet/src/transport/test_transport_api_http_reverse_proxy.conf
Log:
changes

Modified: gnunet/src/transport/Makefile.am
===================================================================
--- gnunet/src/transport/Makefile.am    2012-08-22 12:49:00 UTC (rev 23359)
+++ gnunet/src/transport/Makefile.am    2012-08-22 13:41:23 UTC (rev 23360)
@@ -229,7 +229,7 @@
  
  
 libgnunet_plugin_transport_http_client_la_SOURCES = \
-  plugin_transport_http_client.c
+  plugin_transport_http_client.c plugin_transport_http_common.c
 libgnunet_plugin_transport_http_client_la_LIBADD = \
   $(top_builddir)/src/hello/libgnunethello.la \
   $(top_builddir)/src/statistics/libgnunetstatistics.la \
@@ -246,7 +246,7 @@
  
  
 libgnunet_plugin_transport_http_server_la_SOURCES = \
-  plugin_transport_http_server.c
+  plugin_transport_http_server.c plugin_transport_http_common.c
 libgnunet_plugin_transport_http_server_la_LIBADD = \
   $(top_builddir)/src/hello/libgnunethello.la \
   $(top_builddir)/src/statistics/libgnunetstatistics.la \
@@ -260,7 +260,7 @@
  $(CFLAGS) 
 
 libgnunet_plugin_transport_https_client_la_SOURCES = \
-  plugin_transport_http_client.c
+  plugin_transport_http_client.c plugin_transport_http_common.c
 libgnunet_plugin_transport_https_client_la_LIBADD = \
   $(top_builddir)/src/hello/libgnunethello.la \
   $(top_builddir)/src/statistics/libgnunetstatistics.la \
@@ -277,7 +277,7 @@
  
  
 libgnunet_plugin_transport_https_server_la_SOURCES = \
-  plugin_transport_http_server.c
+  plugin_transport_http_server.c plugin_transport_http_common.c
 libgnunet_plugin_transport_https_server_la_LIBADD = \
   $(top_builddir)/src/hello/libgnunethello.la \
   $(top_builddir)/src/statistics/libgnunetstatistics.la \

Modified: gnunet/src/transport/plugin_transport_http_client.c
===================================================================
--- gnunet/src/transport/plugin_transport_http_client.c 2012-08-22 12:49:00 UTC 
(rev 23359)
+++ gnunet/src/transport/plugin_transport_http_client.c 2012-08-22 13:41:23 UTC 
(rev 23360)
@@ -41,7 +41,10 @@
 #include "gnunet_statistics_service.h"
 #include "gnunet_transport_service.h"
 #include "gnunet_transport_plugin.h"
+#include "plugin_transport_http_common.h"
+#include <curl/curl.h>
 
+
 #define DEBUG_TEMPLATE GNUNET_EXTRA_LOGGING
 
 /**
@@ -126,10 +129,39 @@
   struct GNUNET_TRANSPORT_PluginEnvironment *env;
 
   /**
-   * List of open sessions.
+   * Linked list head of open sessions.
    */
-  struct Session *sessions;
+  struct Session *head;
 
+  /**
+   * Linked list tail of open sessions.
+   */
+  struct Session *tail;
+
+  /**
+   * Plugin name
+   */
+  char *name;
+
+  /**
+   * Protocol
+   */
+  char *protocol;
+
+  /**
+   * use IPv6
+   */
+  uint16_t use_ipv6;
+
+  /**
+   * use IPv4
+   */
+  uint16_t use_ipv4;
+
+  /**
+   * cURL Multihandle
+   */
+  CURLM *curl_multi_handle;
 };
 
 
@@ -195,33 +227,32 @@
   // FIXME
 }
 
-
-/**
- * Convert the transports address to a nice, human-readable
- * format.
- *
- * @param cls closure
- * @param type name of the transport that generated the address
- * @param addr one of the addresses of the host, NULL for the last address
- *        the specific address format depends on the transport
- * @param addrlen length of the address
- * @param numeric should (IP) addresses be displayed in numeric form?
- * @param timeout after how long should we give up?
- * @param asc function to call on each string
- * @param asc_cls closure for asc
- */
 static void
-http_client_plugin_address_pretty_printer (void *cls, const char *type,
-                                        const void *addr, size_t addrlen,
-                                        int numeric,
-                                        struct GNUNET_TIME_Relative timeout,
-                                        GNUNET_TRANSPORT_AddressStringCallback
-                                        asc, void *asc_cls)
+client_stop (struct HTTP_Client_Plugin *plugin)
 {
-  asc (asc_cls, NULL);
+  if (NULL != plugin->curl_multi_handle)
+  {
+    curl_multi_cleanup (plugin->curl_multi_handle);
+    plugin->curl_multi_handle = NULL;
+  }
+  curl_global_cleanup ();
 }
 
+static int
+client_start (struct HTTP_Client_Plugin *plugin)
+{
+  curl_global_init (CURL_GLOBAL_ALL);
+  plugin->curl_multi_handle = curl_multi_init ();
 
+  if (NULL == plugin->curl_multi_handle)
+  {
+    GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name,
+                     _("Could not initialize curl multi handle, failed to 
start %s plugin!\n"),
+                     plugin->name);
+    return GNUNET_SYSERR;
+  }
+  return GNUNET_OK;
+}
 
 /**
  * Another peer has suggested an address for this
@@ -240,33 +271,27 @@
 {
   /* struct Plugin *plugin = cls; */
 
-  /* check if the address is plausible; if so,
-   * add it to our list! */
-  return GNUNET_OK;
+  /* A HTTP/S client does not have any valid address so:*/
+  return GNUNET_NO;
 }
 
-
 /**
- * Function called for a quick conversion of the binary address to
- * a numeric address.  Note that the caller must not free the
- * address and that the next call to this function is allowed
- * to override the address again.
- *
- * @param cls closure
- * @param addr binary address
- * @param addrlen length of the address
- * @return string representing the same address
+ * Exit point from the plugin.
  */
-static const char *
-http_client_plugin_address_to_string (void *cls, const void *addr, size_t 
addrlen)
+void *
+LIBGNUNET_PLUGIN_TRANSPORT_DONE (void *cls)
 {
-  GNUNET_break (0);
+  struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
+  struct HTTP_Client_Plugin *plugin = api->cls;
+
+  client_stop (plugin);
+
+  GNUNET_free (plugin);
+  GNUNET_free (api);
   return NULL;
 }
 
 
-
-
 /**
  * Entry point for the plugin.
  */
@@ -283,25 +308,27 @@
   api->cls = plugin;
   api->send = &http_client_plugin_send;
   api->disconnect = &http_client_plugin_disconnect;
-  api->address_pretty_printer = &http_client_plugin_address_pretty_printer;
   api->check_address = &http_client_plugin_address_suggested;
-  api->address_to_string = &http_client_plugin_address_to_string;
-  return api;
-}
 
+  api->address_to_string = &http_common_plugin_address_to_string;
+  api->string_to_address = &http_common_plugin_string_to_address;
+  api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
 
-/**
- * Exit point from the plugin.
- */
-void *
-LIBGNUNET_PLUGIN_TRANSPORT_DONE (void *cls)
-{
-  struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
-  struct HTTP_Client_Plugin *plugin = api->cls;
+#if BUILD_HTTPS
+  plugin->name = "transport-https_client";
+  plugin->protocol = "https";
+#else
+  plugin->name = "transport-http_client";
+  plugin->protocol = "http";
+#endif
 
-  GNUNET_free (plugin);
-  GNUNET_free (api);
-  return NULL;
+  /* Start client */
+  if (GNUNET_SYSERR == client_start (plugin))
+  {
+      LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
+      return NULL;
+  }
+  return api;
 }
 
 /* end of plugin_transport_http_client.c */

Added: gnunet/src/transport/plugin_transport_http_common.c
===================================================================
--- gnunet/src/transport/plugin_transport_http_common.c                         
(rev 0)
+++ gnunet/src/transport/plugin_transport_http_common.c 2012-08-22 13:41:23 UTC 
(rev 23360)
@@ -0,0 +1,99 @@
+/*
+     This file is part of GNUnet
+     (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff 
(and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, 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
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file transport/plugin_transport_http_common.c
+ * @brief functionality shared by http client and server transport service 
plugin
+ * @author Matthias Wachs
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_transport_plugin.h"
+
+/**
+ * Convert the transports address to a nice, human-readable
+ * format.
+ *
+ * @param cls closure
+ * @param type name of the transport that generated the address
+ * @param addr one of the addresses of the host, NULL for the last address
+ *        the specific address format depends on the transport
+ * @param addrlen length of the address
+ * @param numeric should (IP) addresses be displayed in numeric form?
+ * @param timeout after how long should we give up?
+ * @param asc function to call on each string
+ * @param asc_cls closure for asc
+ */
+void
+http_common_plugin_address_pretty_printer (void *cls, const char *type,
+                                        const void *addr, size_t addrlen,
+                                        int numeric,
+                                        struct GNUNET_TIME_Relative timeout,
+                                        GNUNET_TRANSPORT_AddressStringCallback
+                                        asc, void *asc_cls)
+{
+  GNUNET_break (0);
+  asc (asc_cls, NULL);
+}
+
+
+/**
+ * Function called for a quick conversion of the binary address to
+ * a numeric address.  Note that the caller must not free the
+ * address and that the next call to this function is allowed
+ * to override the address again.
+ *
+ * @param cls closure
+ * @param addr binary address
+ * @param addrlen length of the address
+ * @return string representing the same address
+ */
+const char *
+http_common_plugin_address_to_string (void *cls, const void *addr, size_t 
addrlen)
+{
+  GNUNET_break (0);
+  return NULL;
+}
+
+/**
+ * Function called to convert a string address to
+ * a binary address.
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param addr string address
+ * @param addrlen length of the address
+ * @param buf location to store the buffer
+ *        If the function returns GNUNET_SYSERR, its contents are undefined.
+ * @param added length of created address
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+int
+http_common_plugin_string_to_address (void *cls,
+                        const char *addr,
+                        uint16_t addrlen,
+                        void **buf,
+                        size_t *added)
+{
+  GNUNET_break (0);
+  return GNUNET_SYSERR;
+}
+
+/* end of plugin_transport_http_common.c */

Added: gnunet/src/transport/plugin_transport_http_common.h
===================================================================
--- gnunet/src/transport/plugin_transport_http_common.h                         
(rev 0)
+++ gnunet/src/transport/plugin_transport_http_common.h 2012-08-22 13:41:23 UTC 
(rev 23360)
@@ -0,0 +1,85 @@
+/*
+     This file is part of GNUnet
+     (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff 
(and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, 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
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file transport/plugin_transport_http_common.c
+ * @brief functionality shared by http client and server transport service 
plugin
+ * @author Matthias Wachs
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+
+/**
+ * Convert the transports address to a nice, human-readable
+ * format.
+ *
+ * @param cls closure
+ * @param type name of the transport that generated the address
+ * @param addr one of the addresses of the host, NULL for the last address
+ *        the specific address format depends on the transport
+ * @param addrlen length of the address
+ * @param numeric should (IP) addresses be displayed in numeric form?
+ * @param timeout after how long should we give up?
+ * @param asc function to call on each string
+ * @param asc_cls closure for asc
+ */
+void
+http_common_plugin_address_pretty_printer (void *cls, const char *type,
+                                        const void *addr, size_t addrlen,
+                                        int numeric,
+                                        struct GNUNET_TIME_Relative timeout,
+                                        GNUNET_TRANSPORT_AddressStringCallback
+                                        asc, void *asc_cls);
+
+/**
+ * Function called for a quick conversion of the binary address to
+ * a numeric address.  Note that the caller must not free the
+ * address and that the next call to this function is allowed
+ * to override the address again.
+ *
+ * @param cls closure
+ * @param addr binary address
+ * @param addrlen length of the address
+ * @return string representing the same address
+ */
+const char *
+http_common_plugin_address_to_string (void *cls, const void *addr, size_t 
addrlen);
+
+/**
+ * Function called to convert a string address to
+ * a binary address.
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param addr string address
+ * @param addrlen length of the address
+ * @param buf location to store the buffer
+ *        If the function returns GNUNET_SYSERR, its contents are undefined.
+ * @param added length of created address
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+int
+http_common_plugin_string_to_address (void *cls,
+                                      const char *addr,
+                                      uint16_t addrlen,
+                                      void **buf,
+                                      size_t *added);
+
+/* end of plugin_transport_http_common.c */

Modified: gnunet/src/transport/plugin_transport_http_server.c
===================================================================
--- gnunet/src/transport/plugin_transport_http_server.c 2012-08-22 12:49:00 UTC 
(rev 23359)
+++ gnunet/src/transport/plugin_transport_http_server.c 2012-08-22 13:41:23 UTC 
(rev 23360)
@@ -35,6 +35,7 @@
 
 #include "gnunet_container_lib.h"
 #include "gnunet_nat_lib.h"
+#include "plugin_transport_http_common.h"
 #include "microhttpd.h"
 
 #if BUILD_HTTPS
@@ -59,12 +60,6 @@
 struct Session
 {
   /**
-   * To whom are we talking to (set to our identity
-   * if we are still waiting for the welcome message)
-   */
-  struct GNUNET_PeerIdentity target;
-
-  /**
    * Stored in a linked list.
    */
   struct Session *next;
@@ -75,45 +70,17 @@
   struct Session *prev;
 
   /**
-   * Pointer to the global plugin struct.
+   * To whom are we talking to (set to our identity
+   * if we are still waiting for the welcome message)
    */
-  struct HTTP_Server_Plugin *plugin;
+  struct GNUNET_PeerIdentity target;
 
   /**
-   * The client (used to identify this connection)
+   * Pointer to the global plugin struct.
    */
-  /* void *client; */
+  struct HTTP_Server_Plugin *plugin;
 
   /**
-   * Continuation function to call once the transmission buffer
-   * has again space available.  NULL if there is no
-   * continuation to call.
-   */
-  GNUNET_TRANSPORT_TransmitContinuation transmit_cont;
-
-  /**
-   * Closure for transmit_cont.
-   */
-  void *transmit_cont_cls;
-
-  /**
-   * At what time did we reset last_received last?
-   */
-  struct GNUNET_TIME_Absolute last_quota_update;
-
-  /**
-   * How many bytes have we received since the "last_quota_update"
-   * timestamp?
-   */
-  uint64_t last_received;
-
-  /**
-   * Number of bytes per ms that this peer is allowed
-   * to send to us.
-   */
-  uint32_t quota;
-
-  /**
    * next pointer for double linked list
    */
   struct HTTP_Message *msg_head;
@@ -129,10 +96,6 @@
   struct GNUNET_SERVER_MessageStreamTokenizer *msg_tk;
 
   /**
-   * Server handles
-   */
-
-  /**
    * Client send handle
    */
   struct ServerConnection *server_recv;
@@ -146,12 +109,6 @@
    * Address
    */
   void *addr;
-
-  /**
-   * Address length
-   */
-  size_t addrlen;
-
 };
 
 /**
@@ -165,40 +122,31 @@
   struct GNUNET_TRANSPORT_PluginEnvironment *env;
 
   /**
-   * Linked list of open sessions.
+   * Linked list head of open sessions.
    */
 
   struct Session *head;
 
+  /**
+   * Linked list tail of open sessions.
+   */
   struct Session *tail;
 
-
-  char *name;
-  char *protocol;
-  char *external_hostname;
-
   /**
-   * libCurl TLS crypto init string, can be set to enhance performance
-   *
-   * Example:
-   *
-   * Use RC4-128 instead of AES:
-   * NONE:+VERS-TLS1.0:+ARCFOUR-128:+SHA1:+RSA:+COMP-NULL
-   *
+   * Plugin name
    */
-  char *crypto_init;
+  char *name;
 
   /**
-   * TLS key
+   * Protocol
    */
-  char *key;
+  char *protocol;
 
   /**
-   * TLS certificate
+   * External address
    */
-  char *cert;
+  char *external_hostname;
 
-
   /**
    * Maximum number of sockets the plugin can use
    * Each http inbound /outbound connections are two connections
@@ -248,6 +196,15 @@
   struct GNUNET_NAT_Handle *nat;
 
   /**
+   * Server semi connections
+   * A full session consists of 2 semi-connections: send and receive
+   * If not both directions are established the server keeps this sessions here
+   */
+  struct Session *server_semi_head;
+
+  struct Session *server_semi_tail;
+
+  /**
    * List of own addresses
    */
 
@@ -291,26 +248,39 @@
    */
   int server_v6_immediately;
 
+  /**
+   * MHD IPv4 daemon
+   */
+  struct MHD_Daemon *server_v4;
 
   /**
-   * Server semi connections
-   * A full session consists of 2 semi-connections: send and receive
-   * If not both directions are established the server keeps this sessions here
+   * MHD IPv4 daemon
    */
-  struct Session *server_semi_head;
+  struct MHD_Daemon *server_v6;
 
-  struct Session *server_semi_tail;
+#if BUILD_HTTPS
+  /**
+   * Crypto related
+   *
+   * Example:
+   *
+   * Use RC4-128 instead of AES:
+   * NONE:+VERS-TLS1.0:+ARCFOUR-128:+SHA1:+RSA:+COMP-NULL
+   *
+   */
+  char *crypto_init;
 
-
   /**
-   * MHD IPv4 daemon
+   * TLS key
    */
-  struct MHD_Daemon *server_v4;
+  char *key;
 
   /**
-   * MHD IPv4 daemon
+   * TLS certificate
    */
-  struct MHD_Daemon *server_v6;
+  char *cert;
+#endif
+
 };
 
 GNUNET_NETWORK_STRUCT_BEGIN
@@ -461,33 +431,6 @@
 
 
 /**
- * Convert the transports address to a nice, human-readable
- * format.
- *
- * @param cls closure
- * @param type name of the transport that generated the address
- * @param addr one of the addresses of the host, NULL for the last address
- *        the specific address format depends on the transport
- * @param addrlen length of the address
- * @param numeric should (IP) addresses be displayed in numeric form?
- * @param timeout after how long should we give up?
- * @param asc function to call on each string
- * @param asc_cls closure for asc
- */
-static void
-http_server_plugin_address_pretty_printer (void *cls, const char *type,
-                                        const void *addr, size_t addrlen,
-                                        int numeric,
-                                        struct GNUNET_TIME_Relative timeout,
-                                        GNUNET_TRANSPORT_AddressStringCallback
-                                        asc, void *asc_cls)
-{
-  asc (asc_cls, NULL);
-}
-
-
-
-/**
  * Another peer has suggested an address for this
  * peer and transport plugin.  Check that this could be a valid
  * address.  If so, consider adding it to the list
@@ -511,25 +454,6 @@
 
 
 /**
- * Function called for a quick conversion of the binary address to
- * a numeric address.  Note that the caller must not free the
- * address and that the next call to this function is allowed
- * to override the address again.
- *
- * @param cls closure
- * @param addr binary address
- * @param addrlen length of the address
- * @return string representing the same address
- */
-static const char *
-http_server_plugin_address_to_string (void *cls, const void *addr, size_t 
addrlen)
-{
-  GNUNET_break (0);
-  return NULL;
-}
-
-
-/**
  * Deleting the session
  * Must not be used afterwards
  */
@@ -594,7 +518,7 @@
                   const char *upload_data, size_t * upload_data_size,
                   void **httpSessionCache)
 {
-  GNUNET_break (0);
+  /* FIXME SPLIT */
   return MHD_NO;
 }
 
@@ -602,6 +526,7 @@
 server_disconnect_cb (void *cls, struct MHD_Connection *connection,
                       void **httpSessionCache)
 {
+  /* FIXME SPLIT */
   GNUNET_break (0);
 }
 
@@ -1787,9 +1712,10 @@
   api->cls = plugin;
   api->send = &http_server_plugin_send;
   api->disconnect = &http_server_plugin_disconnect;
-  api->address_pretty_printer = &http_server_plugin_address_pretty_printer;
   api->check_address = &http_server_plugin_address_suggested;
-  api->address_to_string = &http_server_plugin_address_to_string;
+  api->address_to_string = &http_common_plugin_address_to_string;
+  api->string_to_address = &http_common_plugin_string_to_address;
+  api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
 
 #if BUILD_HTTPS
   plugin->name = "transport-https_server";

Modified: gnunet/src/transport/test_transport_api_http_reverse_proxy.conf
===================================================================
--- gnunet/src/transport/test_transport_api_http_reverse_proxy.conf     
2012-08-22 12:49:00 UTC (rev 23359)
+++ gnunet/src/transport/test_transport_api_http_reverse_proxy.conf     
2012-08-22 13:41:23 UTC (rev 23360)
@@ -9,11 +9,14 @@
 [transport-http_server]
 PORT = 12080
 EXTERNAL_HOSTNAME = fulcrum.net.in.tum.de:12080/peer
-#USE_IPV4 = YES
+USE_IPV4 = NO
 #USE_IPV6 = YES
 #BINDTO = 127.0.0.1
-#BINDTO6 =  ::1
+BINDTO6 =  ::1
 
+[transport-https_server]
+PORT = 12090
+
 [arm]
 PORT = 12085
 DEFAULTSERVICES = transport
@@ -34,7 +37,7 @@
 [transport]
 #DEBUG = YES
 PORT = 12081
-PLUGINS = http_server
+PLUGINS = https_client
 # http_client
 #BINARY = .libs/gnunet-service-transport
 UNIXPATH = /tmp/gnunet-p1-service-transport.sock