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[GNUnet-SVN] [gnunet] branch master updated: separate zonemaster monitor


From: gnunet
Subject: [GNUnet-SVN] [gnunet] branch master updated: separate zonemaster monitoring functionality from main iterate-and-publish operation
Date: Thu, 10 May 2018 11:24:20 +0200

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

grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 4fe4c850d separate zonemaster monitoring functionality from main 
iterate-and-publish operation
4fe4c850d is described below

commit 4fe4c850dec0aff53510de7fdd7fce5fa870ae40
Author: Christian Grothoff <address@hidden>
AuthorDate: Thu May 10 11:24:16 2018 +0200

    separate zonemaster monitoring functionality from main iterate-and-publish 
operation
---
 src/zonemaster/.gitignore                          |   1 +
 src/zonemaster/Makefile.am                         |  17 +-
 src/zonemaster/gnunet-service-zonemaster-monitor.c | 484 +++++++++++++++++++++
 src/zonemaster/gnunet-service-zonemaster.c         | 198 +--------
 src/zonemaster/zonemaster.conf.in                  |  17 +
 5 files changed, 519 insertions(+), 198 deletions(-)

diff --git a/src/zonemaster/.gitignore b/src/zonemaster/.gitignore
index 1a0e22b66..cde57fa0a 100644
--- a/src/zonemaster/.gitignore
+++ b/src/zonemaster/.gitignore
@@ -1 +1,2 @@
 gnunet-service-zonemaster
+gnunet-service-zonemaster-monitor
diff --git a/src/zonemaster/Makefile.am b/src/zonemaster/Makefile.am
index 21f986498..b655b9ef3 100644
--- a/src/zonemaster/Makefile.am
+++ b/src/zonemaster/Makefile.am
@@ -1,5 +1,5 @@
 # This Makefile.am is in the public domain
-AM_CPPFLAGS = -I$(top_srcdir)/src/include 
+AM_CPPFLAGS = -I$(top_srcdir)/src/include
 
 plugindir = $(libdir)/gnunet
 
@@ -20,11 +20,11 @@ if USE_COVERAGE
 endif
 
 libexec_PROGRAMS = \
- gnunet-service-zonemaster
+ gnunet-service-zonemaster \
+ gnunet-service-zonemaster-monitor
 
 gnunet_service_zonemaster_SOURCES = \
  gnunet-service-zonemaster.c
-
 gnunet_service_zonemaster_LDADD = \
   $(top_builddir)/src/dht/libgnunetdht.la \
   $(top_builddir)/src/gnsrecord/libgnunetgnsrecord.la \
@@ -33,3 +33,14 @@ gnunet_service_zonemaster_LDADD = \
   $(top_builddir)/src/namestore/libgnunetnamestore.la \
   $(GN_LIBINTL)
 
+
+gnunet_service_zonemaster_monitor_SOURCES = \
+ gnunet-service-zonemaster-monitor.c
+
+gnunet_service_zonemaster_monitor_LDADD = \
+  $(top_builddir)/src/dht/libgnunetdht.la \
+  $(top_builddir)/src/gnsrecord/libgnunetgnsrecord.la \
+  $(top_builddir)/src/statistics/libgnunetstatistics.la \
+  $(top_builddir)/src/util/libgnunetutil.la \
+  $(top_builddir)/src/namestore/libgnunetnamestore.la \
+  $(GN_LIBINTL)
diff --git a/src/zonemaster/gnunet-service-zonemaster-monitor.c 
b/src/zonemaster/gnunet-service-zonemaster-monitor.c
new file mode 100644
index 000000000..a0c178511
--- /dev/null
+++ b/src/zonemaster/gnunet-service-zonemaster-monitor.c
@@ -0,0 +1,484 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2012, 2013, 2014, 2017, 2018 GNUnet e.V.
+
+     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., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file zonemaster/gnunet-service-zonemaster-monitor.c
+ * @brief monitor namestore changes and publish them immediately to GNUnet 
name system
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_dht_service.h"
+#include "gnunet_namestore_service.h"
+#include "gnunet_statistics_service.h"
+
+
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file 
(kind, "util", syscall, filename)
+
+
+/**
+ * How often should we (re)publish each record before
+ * it expires?
+ */
+#define PUBLISH_OPS_PER_EXPIRATION 4
+
+/**
+ * How many pending DHT operations do we allow at most?
+ */
+#define DHT_QUEUE_LIMIT 2000
+
+/**
+ * How many events may the namestore give us before it has to wait
+ * for us to keep up?
+ */
+#define NAMESTORE_QUEUE_LIMIT 50
+
+/**
+ * What replication level do we use for DHT PUT operations?
+ */
+#define DHT_GNS_REPLICATION_LEVEL 5
+
+
+/**
+ * Handle for DHT PUT activity triggered from the namestore monitor.
+ */
+struct DhtPutActivity
+{
+  /**
+   * Kept in a DLL.
+   */
+  struct DhtPutActivity *next;
+
+  /**
+   * Kept in a DLL.
+   */
+  struct DhtPutActivity *prev;
+
+  /**
+   * Handle for the DHT PUT operation.
+   */
+  struct GNUNET_DHT_PutHandle *ph;
+
+  /**
+   * When was this PUT initiated?
+   */
+  struct GNUNET_TIME_Absolute start_date;
+};
+
+
+/**
+ * Handle to the statistics service
+ */
+static struct GNUNET_STATISTICS_Handle *statistics;
+
+/**
+ * Our handle to the DHT
+ */
+static struct GNUNET_DHT_Handle *dht_handle;
+
+/**
+ * Our handle to the namestore service
+ */
+static struct GNUNET_NAMESTORE_Handle *namestore_handle;
+
+/**
+ * Handle to monitor namestore changes to instant propagation.
+ */
+static struct GNUNET_NAMESTORE_ZoneMonitor *zmon;
+
+/**
+ * Head of monitor activities; kept in a DLL.
+ */
+static struct DhtPutActivity *ma_head;
+
+/**
+ * Tail of monitor activities; kept in a DLL.
+ */
+static struct DhtPutActivity *ma_tail;
+
+/**
+ * Number of entries in the DHT queue #ma_head.
+ */
+static unsigned int ma_queue_length;
+
+/**
+ * Optimize block insertion by caching map of private keys to
+ * public keys in memory?
+ */
+static int cache_keys;
+
+
+/**
+ * Task run during shutdown.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+shutdown_task (void *cls)
+{
+  struct DhtPutActivity *ma;
+
+  (void) cls;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Shutting down!\n");
+  while (NULL != (ma = ma_head))
+  {
+    GNUNET_DHT_put_cancel (ma->ph);
+    ma_queue_length--;
+    GNUNET_CONTAINER_DLL_remove (ma_head,
+                                 ma_tail,
+                                 ma);
+    GNUNET_free (ma);
+  }
+  if (NULL != statistics)
+  {
+    GNUNET_STATISTICS_destroy (statistics,
+                               GNUNET_NO);
+    statistics = NULL;
+  }
+  if (NULL != zmon)
+  {
+    GNUNET_NAMESTORE_zone_monitor_stop (zmon);
+    zmon = NULL;
+  }
+  if (NULL != namestore_handle)
+  {
+    GNUNET_NAMESTORE_disconnect (namestore_handle);
+    namestore_handle = NULL;
+  }
+  if (NULL != dht_handle)
+  {
+    GNUNET_DHT_disconnect (dht_handle);
+    dht_handle = NULL;
+  }
+}
+
+
+/**
+ * Continuation called from DHT once the PUT operation triggered
+ * by a monitor is done.
+ *
+ * @param cls a `struct DhtPutActivity`
+ */
+static void
+dht_put_monitor_continuation (void *cls)
+{
+  struct DhtPutActivity *ma = cls;
+
+  GNUNET_NAMESTORE_zone_monitor_next (zmon,
+                                      1);
+  ma_queue_length--;
+  GNUNET_CONTAINER_DLL_remove (ma_head,
+                               ma_tail,
+                               ma);
+  GNUNET_free (ma);
+}
+
+
+/**
+ * Convert namestore records from the internal format to that
+ * suitable for publication (removes private records, converts
+ * to absolute expiration time).
+ *
+ * @param rd input records
+ * @param rd_count size of the @a rd and @a rd_public arrays
+ * @param rd_public where to write the converted records
+ * @return number of records written to @a rd_public
+ */
+static unsigned int
+convert_records_for_export (const struct GNUNET_GNSRECORD_Data *rd,
+                            unsigned int rd_count,
+                            struct GNUNET_GNSRECORD_Data *rd_public)
+{
+  struct GNUNET_TIME_Absolute now;
+  unsigned int rd_public_count;
+
+  rd_public_count = 0;
+  now = GNUNET_TIME_absolute_get ();
+  for (unsigned int i=0;i<rd_count;i++)
+    if (0 == (rd[i].flags & GNUNET_GNSRECORD_RF_PRIVATE))
+    {
+      rd_public[rd_public_count] = rd[i];
+      if (rd_public[rd_public_count].expiration_time < now.abs_value_us)
+      {
+        /* record already expired, skip it */
+        continue;
+      }
+      rd_public_count++;
+    }
+  return rd_public_count;
+}
+
+
+/**
+ * Store GNS records in the DHT.
+ *
+ * @param key key of the zone
+ * @param label label to store under
+ * @param rd_public public record data
+ * @param rd_public_count number of records in @a rd_public
+ * @param cont function to call with PUT result
+ * @param cont_cls closure for @a cont
+ * @return DHT PUT handle, NULL on error
+ */
+static struct GNUNET_DHT_PutHandle *
+perform_dht_put (const struct GNUNET_CRYPTO_EcdsaPrivateKey *key,
+                 const char *label,
+                 const struct GNUNET_GNSRECORD_Data *rd_public,
+                 unsigned int rd_public_count,
+                 GNUNET_SCHEDULER_TaskCallback cont,
+                 void *cont_cls)
+{
+  struct GNUNET_GNSRECORD_Block *block;
+  struct GNUNET_HashCode query;
+  struct GNUNET_TIME_Absolute expire;
+  size_t block_size;
+  struct GNUNET_DHT_PutHandle *ret;
+
+  expire = GNUNET_GNSRECORD_record_get_expiration_time (rd_public_count,
+                                                        rd_public);
+  if (cache_keys)
+    block = GNUNET_GNSRECORD_block_create2 (key,
+                                            expire,
+                                            label,
+                                            rd_public,
+                                            rd_public_count);
+  else
+    block = GNUNET_GNSRECORD_block_create (key,
+                                           expire,
+                                           label,
+                                           rd_public,
+                                           rd_public_count);
+  if (NULL == block)
+  {
+    GNUNET_break (0);
+    return NULL; /* whoops */
+  }
+  block_size = ntohl (block->purpose.size)
+    + sizeof (struct GNUNET_CRYPTO_EcdsaSignature)
+    + sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
+  GNUNET_GNSRECORD_query_from_private_key (key,
+                                           label,
+                                           &query);
+  GNUNET_STATISTICS_update (statistics,
+                            "DHT put operations initiated",
+                            1,
+                            GNUNET_NO);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Storing %u record(s) for label `%s' in DHT with expiration `%s' 
under key %s\n",
+              rd_public_count,
+              label,
+              GNUNET_STRINGS_absolute_time_to_string (expire),
+              GNUNET_h2s (&query));
+  ret = GNUNET_DHT_put (dht_handle,
+                        &query,
+                        DHT_GNS_REPLICATION_LEVEL,
+                        GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
+                        GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
+                        block_size,
+                        block,
+                        expire,
+                        cont,
+                        cont_cls);
+  GNUNET_free (block);
+  return ret;
+}
+
+
+/**
+ * Process a record that was stored in the namestore
+ * (invoked by the monitor).
+ *
+ * @param cls closure, NULL
+ * @param zone private key of the zone; NULL on disconnect
+ * @param label label of the records; NULL on disconnect
+ * @param rd_count number of entries in @a rd array, 0 if label was deleted
+ * @param rd array of records with data to store
+ */
+static void
+handle_monitor_event (void *cls,
+                      const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+                      const char *label,
+                      unsigned int rd_count,
+                      const struct GNUNET_GNSRECORD_Data *rd)
+{
+  struct GNUNET_GNSRECORD_Data rd_public[rd_count];
+  unsigned int rd_public_count;
+  struct DhtPutActivity *ma;
+
+  (void) cls;
+  GNUNET_STATISTICS_update (statistics,
+                            "Namestore monitor events received",
+                            1,
+                            GNUNET_NO);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received %u records for label `%s' via namestore monitor\n",
+              rd_count,
+              label);
+  /* filter out records that are not public, and convert to
+     absolute expiration time. */
+  rd_public_count = convert_records_for_export (rd,
+                                                rd_count,
+                                                rd_public);
+  if (0 == rd_public_count)
+  {
+    GNUNET_NAMESTORE_zone_monitor_next (zmon,
+                                        1);
+    return; /* nothing to do */
+  }
+  ma = GNUNET_new (struct DhtPutActivity);
+  ma->start_date = GNUNET_TIME_absolute_get ();
+  ma->ph = perform_dht_put (zone,
+                            label,
+                            rd,
+                            rd_count,
+                            &dht_put_monitor_continuation,
+                            ma);
+  if (NULL == ma->ph)
+  {
+    /* PUT failed, do not remember operation */
+    GNUNET_free (ma);
+    GNUNET_NAMESTORE_zone_monitor_next (zmon,
+                                        1);
+    return;
+  }
+  GNUNET_CONTAINER_DLL_insert_tail (ma_head,
+                                   ma_tail,
+                                   ma);
+  ma_queue_length++;
+  if (ma_queue_length > DHT_QUEUE_LIMIT)
+  {
+    ma = ma_head;
+    GNUNET_CONTAINER_DLL_remove (ma_head,
+                                 ma_tail,
+                                 ma);
+    GNUNET_DHT_put_cancel (ma->ph);
+    ma_queue_length--;
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "DHT PUT unconfirmed after %s, aborting PUT\n",
+                GNUNET_STRINGS_relative_time_to_string 
(GNUNET_TIME_absolute_get_duration (ma->start_date),
+                                                        GNUNET_YES));
+    GNUNET_free (ma);
+  }
+}
+
+
+/**
+ * The zone monitor encountered an IPC error trying to to get in
+ * sync. Restart from the beginning.
+ *
+ * @param cls NULL
+ */
+static void
+handle_monitor_error (void *cls)
+{
+  (void) cls;
+  GNUNET_STATISTICS_update (statistics,
+                            "Namestore monitor errors encountered",
+                            1,
+                            GNUNET_NO);
+}
+
+
+/**
+ * Performe zonemaster duties: watch namestore, publish records.
+ *
+ * @param cls closure
+ * @param server the initialized server
+ * @param c configuration to use
+ */
+static void
+run (void *cls,
+     const struct GNUNET_CONFIGURATION_Handle *c,
+     struct GNUNET_SERVICE_Handle *service)
+{
+  unsigned long long max_parallel_bg_queries = 128;
+
+  (void) cls;
+  (void) service;
+  namestore_handle = GNUNET_NAMESTORE_connect (c);
+  if (NULL == namestore_handle)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                _("Failed to connect to the namestore!\n"));
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+  cache_keys = GNUNET_CONFIGURATION_get_value_yesno (c,
+                                                     "namestore",
+                                                     "CACHE_KEYS");
+  if (GNUNET_OK ==
+      GNUNET_CONFIGURATION_get_value_number (c,
+                                            "zonemaster",
+                                             "MAX_PARALLEL_BACKGROUND_QUERIES",
+                                             &max_parallel_bg_queries))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Number of allowed parallel background queries: %llu\n",
+                max_parallel_bg_queries);
+  }
+  if (0 == max_parallel_bg_queries)
+    max_parallel_bg_queries = 1;
+  dht_handle = GNUNET_DHT_connect (c,
+                                   (unsigned int) max_parallel_bg_queries);
+  if (NULL == dht_handle)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                _("Could not connect to DHT!\n"));
+    GNUNET_SCHEDULER_add_now (&shutdown_task,
+                             NULL);
+    return;
+  }
+
+  /* Schedule periodic put for our records. */
+  statistics = GNUNET_STATISTICS_create ("zonemaster-mon",
+                                         c);
+  zmon = GNUNET_NAMESTORE_zone_monitor_start (c,
+                                              NULL,
+                                              GNUNET_NO,
+                                              &handle_monitor_error,
+                                              NULL,
+                                              &handle_monitor_event,
+                                              NULL,
+                                              NULL /* sync_cb */,
+                                              NULL);
+  GNUNET_NAMESTORE_zone_monitor_next (zmon,
+                                      NAMESTORE_QUEUE_LIMIT - 1);
+  GNUNET_break (NULL != zmon);
+  GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
+                                NULL);
+}
+
+
+/**
+ * Define "main" method using service macro.
+ */
+GNUNET_SERVICE_MAIN
+("zonemaster-monitor",
+ GNUNET_SERVICE_OPTION_NONE,
+ &run,
+ NULL,
+ NULL,
+ NULL,
+ GNUNET_MQ_handler_end());
+
+
+/* end of gnunet-service-zonemaster-monitor.c */
diff --git a/src/zonemaster/gnunet-service-zonemaster.c 
b/src/zonemaster/gnunet-service-zonemaster.c
index 8220e6eab..482d3a203 100644
--- a/src/zonemaster/gnunet-service-zonemaster.c
+++ b/src/zonemaster/gnunet-service-zonemaster.c
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2012, 2013, 2014, 2017 GNUnet e.V.
+     Copyright (C) 2012, 2013, 2014, 2017, 2018 GNUnet e.V.
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -29,8 +29,6 @@
 #include "gnunet_dht_service.h"
 #include "gnunet_namestore_service.h"
 #include "gnunet_statistics_service.h"
-#include "gnunet_namestore_plugin.h"
-#include "gnunet_signatures.h"
 
 
 #define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file 
(kind, "util", syscall, filename)
@@ -90,11 +88,6 @@
 #define LATE_ITERATION_SPEEDUP_FACTOR 2
 
 /**
- * How long until a DHT PUT attempt should time out?
- */
-#define DHT_OPERATION_TIMEOUT GNUNET_TIME_relative_multiply 
(GNUNET_TIME_UNIT_SECONDS, 60)
-
-/**
  * What replication level do we use for DHT PUT operations?
  */
 #define DHT_GNS_REPLICATION_LEVEL 5
@@ -148,21 +141,6 @@ static struct GNUNET_NAMESTORE_Handle *namestore_handle;
 static struct GNUNET_NAMESTORE_ZoneIterator *namestore_iter;
 
 /**
- * Handle to monitor namestore changes to instant propagation.
- */
-static struct GNUNET_NAMESTORE_ZoneMonitor *zmon;
-
-/**
- * Head of monitor activities; kept in a DLL.
- */
-static struct DhtPutActivity *ma_head;
-
-/**
- * Tail of monitor activities; kept in a DLL.
- */
-static struct DhtPutActivity *ma_tail;
-
-/**
  * Head of iteration put activities; kept in a DLL.
  */
 static struct DhtPutActivity *it_head;
@@ -281,15 +259,6 @@ shutdown_task (void *cls)
   (void) cls;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Shutting down!\n");
-  while (NULL != (ma = ma_head))
-  {
-    GNUNET_DHT_put_cancel (ma->ph);
-    ma_queue_length--;
-    GNUNET_CONTAINER_DLL_remove (ma_head,
-                                 ma_tail,
-                                 ma);
-    GNUNET_free (ma);
-  }
   while (NULL != (ma = it_head))
   {
     GNUNET_DHT_put_cancel (ma->ph);
@@ -316,11 +285,6 @@ shutdown_task (void *cls)
     GNUNET_NAMESTORE_zone_iteration_stop (namestore_iter);
     namestore_iter = NULL;
   }
-  if (NULL != zmon)
-  {
-    GNUNET_NAMESTORE_zone_monitor_stop (zmon);
-    zmon = NULL;
-  }
   if (NULL != namestore_handle)
   {
     GNUNET_NAMESTORE_disconnect (namestore_handle);
@@ -362,27 +326,6 @@ publish_zone_dht_start (void *cls);
 
 
 /**
- * Continuation called from DHT once the PUT operation triggered
- * by a monitor is done.
- *
- * @param cls a `struct DhtPutActivity`
- */
-static void
-dht_put_monitor_continuation (void *cls)
-{
-  struct DhtPutActivity *ma = cls;
-
-  GNUNET_NAMESTORE_zone_monitor_next (zmon,
-                                      1);
-  ma_queue_length--;
-  GNUNET_CONTAINER_DLL_remove (ma_head,
-                               ma_tail,
-                               ma);
-  GNUNET_free (ma);
-}
-
-
-/**
  * Calculate #target_iteration_velocity_per_record.
  */
 static void
@@ -884,131 +827,6 @@ publish_zone_dht_start (void *cls)
 
 
 /**
- * Process a record that was stored in the namestore
- * (invoked by the monitor).
- *
- * @param cls closure, NULL
- * @param zone private key of the zone; NULL on disconnect
- * @param label label of the records; NULL on disconnect
- * @param rd_count number of entries in @a rd array, 0 if label was deleted
- * @param rd array of records with data to store
- */
-static void
-handle_monitor_event (void *cls,
-                      const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
-                      const char *label,
-                      unsigned int rd_count,
-                      const struct GNUNET_GNSRECORD_Data *rd)
-{
-  struct GNUNET_GNSRECORD_Data rd_public[rd_count];
-  unsigned int rd_public_count;
-  struct DhtPutActivity *ma;
-
-  (void) cls;
-  GNUNET_STATISTICS_update (statistics,
-                            "Namestore monitor events received",
-                            1,
-                            GNUNET_NO);
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Received %u records for label `%s' via namestore monitor\n",
-              rd_count,
-              label);
-  /* filter out records that are not public, and convert to
-     absolute expiration time. */
-  rd_public_count = convert_records_for_export (rd,
-                                                rd_count,
-                                                rd_public);
-  if (0 == rd_public_count)
-  {
-    GNUNET_NAMESTORE_zone_monitor_next (zmon,
-                                        1);
-    return; /* nothing to do */
-  }
-  num_public_records++;
-  ma = GNUNET_new (struct DhtPutActivity);
-  ma->start_date = GNUNET_TIME_absolute_get ();
-  ma->ph = perform_dht_put (zone,
-                            label,
-                            rd,
-                            rd_count,
-                            &dht_put_monitor_continuation,
-                            ma);
-  if (NULL == ma->ph)
-  {
-    /* PUT failed, do not remember operation */
-    GNUNET_free (ma);
-    GNUNET_NAMESTORE_zone_monitor_next (zmon,
-                                        1);
-    return;
-  }
-  GNUNET_CONTAINER_DLL_insert_tail (ma_head,
-                                   ma_tail,
-                                   ma);
-  ma_queue_length++;
-  if (ma_queue_length > DHT_QUEUE_LIMIT)
-  {
-    ma = ma_head;
-    GNUNET_CONTAINER_DLL_remove (ma_head,
-                                 ma_tail,
-                                 ma);
-    GNUNET_DHT_put_cancel (ma->ph);
-    ma_queue_length--;
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                "DHT PUT unconfirmed after %s, aborting PUT\n",
-                GNUNET_STRINGS_relative_time_to_string 
(GNUNET_TIME_absolute_get_duration (ma->start_date),
-                                                        GNUNET_YES));
-    GNUNET_free (ma);
-  }
-}
-
-
-/**
- * The zone monitor is now in SYNC with the current state of the
- * name store.  Start to perform periodic iterations.
- *
- * @param cls NULL
- */
-static void
-monitor_sync_event (void *cls)
-{
-  (void) cls;
-  if ( (NULL == zone_publish_task) &&
-       (NULL == namestore_iter) )
-    zone_publish_task = GNUNET_SCHEDULER_add_now (&publish_zone_dht_start,
-                                                  NULL);
-}
-
-
-/**
- * The zone monitor encountered an IPC error trying to to get in
- * sync. Restart from the beginning.
- *
- * @param cls NULL
- */
-static void
-handle_monitor_error (void *cls)
-{
-  (void) cls;
-  GNUNET_STATISTICS_update (statistics,
-                            "Namestore monitor errors encountered",
-                            1,
-                            GNUNET_NO);
-  if (NULL != zone_publish_task)
-  {
-    GNUNET_SCHEDULER_cancel (zone_publish_task);
-    zone_publish_task = NULL;
-  }
-  if (NULL != namestore_iter)
-  {
-    GNUNET_NAMESTORE_zone_iteration_stop (namestore_iter);
-    namestore_iter = NULL;
-  }
-  zone_publish_task = GNUNET_SCHEDULER_add_now (&publish_zone_dht_start,
-                                                NULL);
-}
-
-
-/**
  * Performe zonemaster duties: watch namestore, publish records.
  *
  * @param cls closure
@@ -1084,18 +902,8 @@ run (void *cls,
                          "Target zone iteration velocity (μs)",
                          target_iteration_velocity_per_record.rel_value_us,
                          GNUNET_NO);
-  zmon = GNUNET_NAMESTORE_zone_monitor_start (c,
-                                              NULL,
-                                              GNUNET_NO,
-                                              &handle_monitor_error,
-                                              NULL,
-                                              &handle_monitor_event,
-                                              NULL,
-                                              &monitor_sync_event,
-                                              NULL);
-  GNUNET_NAMESTORE_zone_monitor_next (zmon,
-                                      NAMESTORE_QUEUE_LIMIT - 1);
-  GNUNET_break (NULL != zmon);
+  zone_publish_task = GNUNET_SCHEDULER_add_now (&publish_zone_dht_start,
+                                                NULL);
   GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
                                 NULL);
 }
diff --git a/src/zonemaster/zonemaster.conf.in 
b/src/zonemaster/zonemaster.conf.in
index 871eb9c8f..6179b87be 100644
--- a/src/zonemaster/zonemaster.conf.in
+++ b/src/zonemaster/zonemaster.conf.in
@@ -23,3 +23,20 @@ ZONE_PUBLISH_TIME_WINDOW = 4 h
 # USE_CACHE = YES
 
 # PREFIX = valgrind --leak-check=full --track-origins=yes
+
+
+
+[zonemaster-monitor]
+AUTOSTART = @AUTOSTART@
+FORCESTART = YES
+HOSTNAME = localhost
+BINARY = gnunet-service-zonemaster-monitor
+UNIXPATH = $GNUNET_USER_RUNTIME_DIR/gnunet-service-zonemaster-monitor.sock
address@hidden@PORT = 2124
+
+# Do we require users that want to access GNS to run this process
+# (usually not a good idea)
+UNIX_MATCH_UID = NO
+
+# Do we require users that want to access GNS to be in the 'gnunet' group?
+UNIX_MATCH_GID = NO

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