(no commit message)
[oweals/gnunet.git] / src / transport / gnunet-service-transport_neighbours.c
index f096415068370040feeee45bbe74ea4d5174d0ff..53505407eeba92e5d470570f86c6550f84ac9b53 100644 (file)
@@ -70,7 +70,7 @@
 /**
  * How long are we willing to wait for a response from ATS before timing out?
  */
-#define ATS_RESPONSE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 500)
+#define ATS_RESPONSE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 5000)
 
 /**
  * How long are we willing to wait for an ACK from the other peer before
@@ -79,7 +79,7 @@
 #define SETUP_CONNECTION_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
 
 /**
- * How long are we willing to wait for a successful reconnect if 
+ * How long are we willing to wait for a successful reconnect if
  * an existing connection went down?  Much shorter than the
  * usual SETUP_CONNECTION_TIMEOUT as we do not inform the
  * higher layers about the disconnect during this period.
  */
 #define BLACKLIST_RESPONSE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 500)
 
-#define DEBUG_MALLOC GNUNET_NO
-
-#if DEBUG_MALLOC
-
-struct Allocator
-{
-  struct Allocator *prev;
-  struct Allocator *next;
-
-  unsigned int bytes_alloced;
-  unsigned int max_alloced;
-  unsigned int diff;
-  unsigned int line;
-
-  struct GNUNET_TIME_Absolute max_alloced_when;
-  struct GNUNET_TIME_Absolute last_alloced_when;
-
-};
-
-struct Allocator *aehead;
-struct Allocator *aetail;
-
-struct Allocation
-{
-  struct Allocation *prev;
-  struct Allocation *next;
-
-  struct Allocator *alloc;
-  unsigned int bytes_alloced;
-  void *p;
-  unsigned int line;
-};
-
-struct Allocation *ahead;
-struct Allocation *atail;
-
-static int bytes_alloced;
-
-static struct Allocator *
-find_allocator (int line)
-{
-  struct Allocator *cur = aehead;
-  while (NULL != cur)
-  {
-      if (line == cur->line)
-        return cur;
-      cur = cur->next;
-  }
-  return cur;
-}
-
-static void
-print_allocators ()
-{
-  static int start = GNUNET_YES;
-  static struct GNUNET_TIME_Absolute next;
-  static struct GNUNET_TIME_Relative rem;
-  struct Allocator *cur = aehead;
-  if (start)
-  {
-      next = GNUNET_TIME_UNIT_ZERO_ABS;
-      start = GNUNET_NO;
-  }
-  if (0 == (rem = GNUNET_TIME_absolute_get_remaining(next)).rel_value_us)
-  {
-      fprintf (stderr, "Allocated in `%s' total: %5u bytes\n", __FILE__, bytes_alloced);
-      while (NULL != cur)
-      {
-          char *last_alloc = GNUNET_strdup (GNUNET_STRINGS_absolute_time_to_string(cur->max_alloced_when));
-          fprintf (stderr, "Allocated from line %4u :%5u bytes (diff %5i bytes, max alloc: %5u @ %s, last alloc %s)\n",
-              cur->line, cur->bytes_alloced, cur->diff, cur->max_alloced,
-              last_alloc,
-              GNUNET_STRINGS_absolute_time_to_string(cur->last_alloced_when));
-          GNUNET_free (last_alloc);
-          cur->diff = 0;
-          cur = cur->next;
-      }
-      fprintf (stderr, "\n");
-    next = GNUNET_TIME_absolute_add(GNUNET_TIME_absolute_get(), GNUNET_TIME_UNIT_SECONDS);
-  }
-}
-
-#endif
-
-static void
-MEMDEBUG_add_alloc (void *p, size_t size, int line)
-{
-#if DEBUG_MALLOC
-  struct Allocation *alloc = GNUNET_malloc (sizeof (struct Allocation));
-  struct Allocator *allocator = find_allocator(line);
-  if (NULL == allocator)
-  {
-      allocator = GNUNET_malloc (sizeof (struct Allocator));
-      allocator->line = line;
-      GNUNET_CONTAINER_DLL_insert (aehead, aetail, allocator);
-  }
-  alloc->alloc = allocator;
-  alloc->p = p;
-  alloc->line = line;
-  alloc->bytes_alloced = size;
-  allocator->bytes_alloced += size;
-  allocator->last_alloced_when = GNUNET_TIME_absolute_get();
-  if (allocator->bytes_alloced >= allocator->max_alloced)
-  {
-      allocator->max_alloced = allocator->bytes_alloced;
-      allocator->max_alloced_when = allocator->last_alloced_when;
-  }
-  allocator->diff += size;
-  GNUNET_CONTAINER_DLL_insert (ahead, atail, alloc);
-  print_allocators ();
-  bytes_alloced += size;
-#endif
-}
-
-
-static void *
-MEMDEBUG_malloc (size_t size, int line)
-{
-  void * ret;
-
-  ret = GNUNET_malloc (size);
-#if DEBUG_MALLOC
-  if (NULL != ret)
-      MEMDEBUG_add_alloc (ret, size, line);
-#endif
-  return ret;
-
-}
-
-static void
-MEMDEBUG_free (void * alloc, int line)
-{
-#if DEBUG_MALLOC
-  struct Allocation *cur;
-  struct Allocator *allocator;
-  cur = ahead;
-  while (NULL != cur)
-  {
-      if (alloc == cur->p)
-        break;
-      cur = cur->next;
-  }
-  if (NULL == cur)
-  {
-    fprintf (stderr, "Unmonitored free from line %4u\n", line);
-    GNUNET_break (0);
-    return;
-  }
-  allocator = cur->alloc;
-  if (NULL == allocator)
-  {
-      GNUNET_break (0);
-  }
-  GNUNET_CONTAINER_DLL_remove (ahead, atail, cur);
-  allocator->bytes_alloced -= cur->bytes_alloced;
-  allocator->diff -= cur->bytes_alloced;
-  GNUNET_assert (allocator->bytes_alloced >= 0);
-  bytes_alloced -= cur->bytes_alloced;
-  GNUNET_assert (bytes_alloced >= 0);
-  GNUNET_free (cur);
-#endif
-  GNUNET_free (alloc);
-}
-
-static void
-MEMDEBUG_free_non_null (void * alloc, int line)
-{
-  if (alloc != NULL)
-    MEMDEBUG_free (alloc, line);
-}
-
+/**
+ * Interval to send utilization data
+ */
+#define UTIL_TRANSMISSION_INTERVAL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
 
 GNUNET_NETWORK_STRUCT_BEGIN
 
@@ -271,7 +104,7 @@ GNUNET_NETWORK_STRUCT_BEGIN
  * setup a connection/session for data exchange.  A 'SESSION_CONNECT'
  * should be answered with a 'SESSION_CONNECT_ACK' with the same body
  * to confirm.  A 'SESSION_CONNECT_ACK' should then be followed with
- * a 'SESSION_ACK'.  Once the 'SESSION_ACK' is received, both peers 
+ * a 'SESSION_ACK'.  Once the 'SESSION_ACK' is received, both peers
  * should be connected.
  */
 struct SessionConnectMessage
@@ -298,7 +131,7 @@ struct SessionConnectMessage
 
 /**
  * Message we send to the other peer to notify him that we intentionally
- * are disconnecting (to reduce timeouts).  This is just a friendly 
+ * are disconnecting (to reduce timeouts).  This is just a friendly
  * notification, peers must not rely on always receiving disconnect
  * messages.
  */
@@ -329,14 +162,14 @@ struct SessionDisconnectMessage
   /**
    * Public key of the sender.
    */
-  struct GNUNET_CRYPTO_EccPublicKey public_key;
+  struct GNUNET_CRYPTO_EddsaPublicKey public_key;
 
   /**
    * Signature of the peer that sends us the disconnect.  Only
    * valid if the timestamp is AFTER the timestamp from the
    * corresponding 'CONNECT' message.
    */
-  struct GNUNET_CRYPTO_EccSignature signature;
+  struct GNUNET_CRYPTO_EddsaSignature signature;
 
 };
 
@@ -448,8 +281,8 @@ struct MessageQueue
  * and set the 'send_connect_ack' to 2.  If we then receive a
  * 'SESSION_ACK', we go to 'S_CONNECTED' (and reset 'send_connect_ack'
  * to 0).
- * 
- */ 
+ *
+ */
 enum State
 {
   /**
@@ -525,7 +358,7 @@ enum State
    */
   S_CONNECTED_SWITCHING_BLACKLIST,
 
-  /** 
+  /**
    * We have some primary connection, but ATS suggested we switch
    * to some alternative; we now sent a CONNECT message for the
    * alternative session to the other peer and waiting for a
@@ -589,7 +422,7 @@ struct NeighbourAddress
    * Did we tell ATS that this is our 'active' address?
    */
   int ats_active;
-  
+
 };
 
 
@@ -644,7 +477,7 @@ struct NeighbourMapEntry
   struct GNUNET_TIME_Absolute keep_alive_time;
 
   /**
-   * At what time did we sent the last keep-alive message?  Used 
+   * At what time did we sent the last keep-alive message?  Used
    * to calculate round-trip time ("latency").
    */
   struct GNUNET_TIME_Absolute last_keep_alive_time;
@@ -704,6 +537,33 @@ struct NeighbourMapEntry
    */
   int send_connect_ack;
 
+  /**
+   * Tracking utilization of outbound bandwidth
+   */
+  uint32_t util_payload_bytes_sent;
+
+  /**
+   * Tracking utilization of inbound bandwidth
+   */
+  uint32_t util_payload_bytes_recv;
+
+  /**
+   * Tracking utilization of outbound bandwidth
+   */
+  uint32_t util_total_bytes_sent;
+
+  /**
+   * Tracking utilization of inbound bandwidth
+   */
+  uint32_t util_total_bytes_recv;
+
+
+
+
+  /**
+   * Date of last utilization transmission
+   */
+  struct GNUNET_TIME_Absolute last_util_transmission;
 };
 
 
@@ -713,7 +573,7 @@ struct NeighbourMapEntry
  */
 struct BlackListCheckContext
 {
-  
+
   /**
    * We keep blacklist checks in a DLL.
    */
@@ -739,7 +599,7 @@ struct BlackListCheckContext
 /**
  * Hash map from peer identities to the respective 'struct NeighbourMapEntry'.
  */
-static struct GNUNET_CONTAINER_MultiHashMap *neighbours;
+static struct GNUNET_CONTAINER_MultiPeerMap *neighbours;
 
 /**
  * We keep blacklist checks in a DLL so that we can find
@@ -783,6 +643,11 @@ static unsigned int neighbours_connected;
  */
 static unsigned long long bytes_in_send_queue;
 
+/**
+ * Task transmitting utilization data
+ */
+static GNUNET_SCHEDULER_TaskIdentifier util_transmission_tk;
+
 
 /**
  * Lookup a neighbour entry in the neighbours hash map.
@@ -795,7 +660,7 @@ lookup_neighbour (const struct GNUNET_PeerIdentity *pid)
 {
   if (NULL == neighbours)
     return NULL;
-  return GNUNET_CONTAINER_multihashmap_get (neighbours, &pid->hashPubKey);
+  return GNUNET_CONTAINER_multipeermap_get (neighbours, pid);
 }
 
 static const char *
@@ -925,8 +790,7 @@ free_address (struct NeighbourAddress *na)
   na->ats_active = GNUNET_NO;
   if (NULL != na->address)
   {
-    MEMDEBUG_free (na->address, __LINE__);
-    //GNUNET_HELLO_address_free (na->address);
+    GNUNET_HELLO_address_free (na->address);
     na->address = NULL;
   }
   na->session = NULL;
@@ -954,7 +818,7 @@ set_address (struct NeighbourAddress *na,
             int is_active)
 {
   struct GNUNET_TRANSPORT_PluginFunctions *papi;
-  if (NULL == (papi = GST_plugins_find (address->transport_name)))  
+  if (NULL == (papi = GST_plugins_find (address->transport_name)))
   {
     GNUNET_break (0);
     return;
@@ -976,22 +840,21 @@ set_address (struct NeighbourAddress *na,
       /* FIXME: is this the right place to set quotas? */
       GST_neighbours_set_incoming_quota (&address->peer, bandwidth_in);
       send_outbound_quota (&address->peer, bandwidth_out);
-    }    
+    }
     return;
   }
   free_address (na);
   if (NULL == session)
-    session = papi->get_session (papi->cls, address);    
+    session = papi->get_session (papi->cls, address);
   if (NULL == session)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Failed to obtain new session for peer `%s' and  address '%s'\n",
-               GNUNET_i2s (&address->peer), GST_plugins_a2s (address));    
+               GNUNET_i2s (&address->peer), GST_plugins_a2s (address));
     GNUNET_ATS_address_destroyed (GST_ats, address, NULL);
     return;
   }
   na->address = GNUNET_HELLO_address_copy (address);
-  MEMDEBUG_add_alloc (na->address, GNUNET_HELLO_address_get_size (na->address), __LINE__);
   na->bandwidth_in = bandwidth_in;
   na->bandwidth_out = bandwidth_out;
   na->session = session;
@@ -1031,14 +894,14 @@ free_neighbour (struct NeighbourMapEntry *n, int keep_sessions)
     GNUNET_CONTAINER_DLL_remove (n->messages_head, n->messages_tail, mq);
     if (NULL != mq->cont)
       mq->cont (mq->cont_cls, GNUNET_SYSERR, mq->message_buf_size, 0);
-    MEMDEBUG_free (mq, __LINE__);
+    GNUNET_free (mq);
   }
   /* It is too late to send other peer disconnect notifications, but at
      least internally we need to get clean... */
   if (GNUNET_YES == test_connected (n))
   {
-    GNUNET_STATISTICS_set (GST_stats, 
-                          gettext_noop ("# peers connected"), 
+    GNUNET_STATISTICS_set (GST_stats,
+                          gettext_noop ("# peers connected"),
                           --neighbours_connected,
                           GNUNET_NO);
     disconnect_notify_cb (callback_cls, &n->id);
@@ -1049,7 +912,6 @@ free_neighbour (struct NeighbourMapEntry *n, int keep_sessions)
   if (NULL != n->primary_address.address)
   {
     backup_primary = GNUNET_HELLO_address_copy(n->primary_address.address);
-    MEMDEBUG_add_alloc (backup_primary, GNUNET_HELLO_address_get_size(backup_primary), __LINE__);
   }
   else
     backup_primary = NULL;
@@ -1074,11 +936,11 @@ free_neighbour (struct NeighbourMapEntry *n, int keep_sessions)
       (NULL != (papi = GST_plugins_find (backup_primary->transport_name))))
     papi->disconnect (papi->cls, &n->id);
 
-  MEMDEBUG_free_non_null (backup_primary, __LINE__);
+  GNUNET_free_non_null (backup_primary);
 
   GNUNET_assert (GNUNET_YES ==
-                 GNUNET_CONTAINER_multihashmap_remove (neighbours,
-                                                       &n->id.hashPubKey, n));
+                 GNUNET_CONTAINER_multipeermap_remove (neighbours,
+                                                       &n->id, n));
 
   // FIXME-ATS-API: we might want to be more specific about
   // which states we do this from in the future (ATS should
@@ -1096,7 +958,7 @@ free_neighbour (struct NeighbourMapEntry *n, int keep_sessions)
     n->task = GNUNET_SCHEDULER_NO_TASK;
   }
   /* free rest of memory */
-  MEMDEBUG_free (n, __LINE__);
+  GNUNET_free (n);
 }
 
 /**
@@ -1195,15 +1057,15 @@ send_disconnect (struct NeighbourMapEntry *n)
   disconnect_msg.reserved = htonl (0);
   disconnect_msg.purpose.size =
       htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) +
-             sizeof (struct GNUNET_CRYPTO_EccPublicKey) +
+             sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
              sizeof (struct GNUNET_TIME_AbsoluteNBO));
   disconnect_msg.purpose.purpose =
       htonl (GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_DISCONNECT);
   disconnect_msg.timestamp =
       GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
-  disconnect_msg.public_key = GST_my_public_key;
+  disconnect_msg.public_key = GST_my_identity.public_key;
   GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CRYPTO_ecc_sign (GST_my_private_key,
+                 GNUNET_CRYPTO_eddsa_sign (GST_my_private_key,
                                          &disconnect_msg.purpose,
                                          &disconnect_msg.signature));
 
@@ -1226,7 +1088,7 @@ send_disconnect (struct NeighbourMapEntry *n)
 static void
 disconnect_neighbour (struct NeighbourMapEntry *n)
 {
-  /* depending on state, notify neighbour and/or upper layers of this peer 
+  /* depending on state, notify neighbour and/or upper layers of this peer
      about disconnect */
   switch (n->state)
   {
@@ -1238,7 +1100,7 @@ disconnect_neighbour (struct NeighbourMapEntry *n)
     free_neighbour (n, GNUNET_NO);
     return;
   case S_CONNECT_SENT:
-    send_disconnect (n); 
+    send_disconnect (n);
     n->state = S_DISCONNECT;
     break;
   case S_CONNECT_RECV_BLACKLIST_INBOUND:
@@ -1250,9 +1112,9 @@ disconnect_neighbour (struct NeighbourMapEntry *n)
     return;
   case S_CONNECT_RECV_ACK:
     /* we DID ACK the other peer's request, must send DISCONNECT */
-    send_disconnect (n); 
+    send_disconnect (n);
     n->state = S_DISCONNECT;
-    break;   
+    break;
   case S_CONNECTED:
   case S_RECONNECT_BLACKLIST:
   case S_RECONNECT_SENT:
@@ -1261,8 +1123,8 @@ disconnect_neighbour (struct NeighbourMapEntry *n)
     /* we are currently connected, need to send disconnect and do
        internal notifications and update statistics */
     send_disconnect (n);
-    GNUNET_STATISTICS_set (GST_stats, 
-                          gettext_noop ("# peers connected"), 
+    GNUNET_STATISTICS_set (GST_stats,
+                          gettext_noop ("# peers connected"),
                           --neighbours_connected,
                           GNUNET_NO);
     disconnect_notify_cb (callback_cls, &n->id);
@@ -1316,7 +1178,7 @@ transmit_send_continuation (void *cls,
 
   if (NULL == (n = lookup_neighbour (receiver)))
   {
-    MEMDEBUG_free (mq, __LINE__);
+    GNUNET_free (mq);
     return; /* disconnect or other error while transmitting, can happen */
   }
   if (n->is_active == mq)
@@ -1326,7 +1188,7 @@ transmit_send_continuation (void *cls,
     n->is_active = NULL;
     if (GNUNET_SCHEDULER_NO_TASK != n->task)
       GNUNET_SCHEDULER_cancel (n->task);
-    n->task = GNUNET_SCHEDULER_add_now (&master_task, n);    
+    n->task = GNUNET_SCHEDULER_add_now (&master_task, n);
   }
   if (bytes_in_send_queue < mq->message_buf_size)
   {
@@ -1355,14 +1217,14 @@ transmit_send_continuation (void *cls,
                              gettext_noop
                              ("# transmission failures for messages to other peers"),
                              1, GNUNET_NO);
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Sending message to `%s' of type %u was a %s\n",
              GNUNET_i2s (receiver),
               ntohs (((struct GNUNET_MessageHeader *) mq->message_buf)->type),
               (success == GNUNET_OK) ? "success" : "FAILURE");
   if (NULL != mq->cont)
     mq->cont (mq->cont_cls, success, size_payload, physical);
-  MEMDEBUG_free (mq, __LINE__);
+  GNUNET_free (mq);
 }
 
 
@@ -1389,7 +1251,7 @@ try_transmission_to_peer (struct NeighbourMapEntry *n)
     GNUNET_break (0);
     return;
   }
-  if ((0 == n->primary_address.address->address_length) && 
+  if ((0 == n->primary_address.address->address_length) &&
       (NULL == n->primary_address.session))
   {
     /* no address, why are we here? */
@@ -1399,7 +1261,7 @@ try_transmission_to_peer (struct NeighbourMapEntry *n)
   if (NULL != n->is_active)
   {
     /* transmission already pending */
-    return;                     
+    return;
   }
 
   /* timeout messages from the queue that are past their due date */
@@ -1535,7 +1397,7 @@ GST_neighbours_keepalive_response (const struct GNUNET_PeerIdentity *neighbour)
   n->timeout = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Latency for peer `%s' is %s\n",
-              GNUNET_i2s (&n->id), 
+              GNUNET_i2s (&n->id),
              GNUNET_STRINGS_relative_time_to_string (n->latency,
                                                      GNUNET_YES));
   /* append latency */
@@ -1570,7 +1432,7 @@ GST_neighbours_calculate_receive_delay (const struct GNUNET_PeerIdentity
 {
   struct NeighbourMapEntry *n;
   struct GNUNET_TIME_Relative ret;
-  
+
   if (NULL == neighbours)
   {
     *do_forward = GNUNET_NO;
@@ -1634,7 +1496,7 @@ GST_neighbours_calculate_receive_delay (const struct GNUNET_PeerIdentity
                 GNUNET_STRINGS_relative_time_to_string (ret, GNUNET_YES));
     GNUNET_STATISTICS_update (GST_stats,
                               gettext_noop ("# ms throttling suggested"),
-                              (int64_t) ret.rel_value_us / 1000LL, 
+                              (int64_t) ret.rel_value_us / 1000LL,
                              GNUNET_NO);
   }
   return ret;
@@ -1680,7 +1542,7 @@ GST_neighbours_send (const struct GNUNET_PeerIdentity *target, const void *msg,
                         gettext_noop
                         ("# bytes in message queue for other peers"),
                         bytes_in_send_queue, GNUNET_NO);
-  mq = MEMDEBUG_malloc (sizeof (struct MessageQueue) + msg_size, __LINE__);
+  mq = GNUNET_malloc (sizeof (struct MessageQueue) + msg_size);
   mq->cont = cont;
   mq->cont_cls = cont_cls;
   memcpy (&mq[1], msg, msg_size);
@@ -1708,13 +1570,13 @@ send_session_connect (struct NeighbourAddress *na)
   struct GNUNET_TRANSPORT_PluginFunctions *papi;
   struct SessionConnectMessage connect_msg;
 
-  if (NULL == (papi = GST_plugins_find (na->address->transport_name)))  
+  if (NULL == (papi = GST_plugins_find (na->address->transport_name)))
   {
     GNUNET_break (0);
     return;
   }
   if (NULL == na->session)
-    na->session = papi->get_session (papi->cls, na->address);    
+    na->session = papi->get_session (papi->cls, na->address);
   if (NULL == na->session)
   {
     GNUNET_break (0);
@@ -1750,13 +1612,13 @@ send_session_connect_ack_message (const struct GNUNET_HELLO_Address *address,
   struct GNUNET_TRANSPORT_PluginFunctions *papi;
   struct SessionConnectMessage connect_msg;
 
-  if (NULL == (papi = GST_plugins_find (address->transport_name)))  
+  if (NULL == (papi = GST_plugins_find (address->transport_name)))
   {
     GNUNET_break (0);
     return;
   }
   if (NULL == session)
-    session = papi->get_session (papi->cls, address);    
+    session = papi->get_session (papi->cls, address);
   if (NULL == session)
   {
     GNUNET_break (0);
@@ -1788,19 +1650,24 @@ setup_neighbour (const struct GNUNET_PeerIdentity *peer)
   struct NeighbourMapEntry *n;
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Creating new neighbour entry for `%s'\n", 
+              "Creating new neighbour entry for `%s'\n",
              GNUNET_i2s (peer));
-  n = MEMDEBUG_malloc (sizeof (struct NeighbourMapEntry), __LINE__);
+  n = GNUNET_malloc (sizeof (struct NeighbourMapEntry));
   n->id = *peer;
   n->state = S_NOT_CONNECTED;
   n->latency = GNUNET_TIME_UNIT_FOREVER_REL;
+  n->last_util_transmission = GNUNET_TIME_absolute_get();
+  n->util_payload_bytes_recv = 0;
+  n->util_payload_bytes_sent = 0;
+  n->util_total_bytes_recv = 0;
+  n->util_total_bytes_sent = 0;
   GNUNET_BANDWIDTH_tracker_init (&n->in_tracker,
                                  GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT,
                                  MAX_BANDWIDTH_CARRY_S);
   n->task = GNUNET_SCHEDULER_add_now (&master_task, n);
   GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CONTAINER_multihashmap_put (neighbours,
-                                                    &n->id.hashPubKey, n,
+                 GNUNET_CONTAINER_multipeermap_put (neighbours,
+                                                    &n->id, n,
                                                     GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
   return n;
 }
@@ -1842,21 +1709,21 @@ GST_neighbours_try_connect (const struct GNUNET_PeerIdentity *target)
 {
   struct NeighbourMapEntry *n;
 
-  if (NULL == neighbours)  
+  if (NULL == neighbours)
   {
          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                      "Asked to connect to peer `%s' during shutdown\n",
                      GNUNET_i2s (target));
                return; /* during shutdown, do nothing */
   }
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
              "Asked to connect to peer `%s'\n",
               GNUNET_i2s (target));
   if (0 == memcmp (target, &GST_my_identity, sizeof (struct GNUNET_PeerIdentity)))
   {
     /* refuse to connect to myself */
     /* FIXME: can this happen? Is this not an API violation? */
-    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                "Refusing to try to connect to myself.\n");
     return;
   }
@@ -1877,18 +1744,18 @@ GST_neighbours_try_connect (const struct GNUNET_PeerIdentity *target)
     case S_CONNECT_RECV_ATS:
     case S_CONNECT_RECV_BLACKLIST:
     case S_CONNECT_RECV_ACK:
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                 "Ignoring request to try to connect to `%s', already trying!\n",
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+               "Ignoring request to try to connect to `%s', already trying!\n",
                  GNUNET_i2s (target));
       return; /* already trying */
-    case S_CONNECTED:      
+    case S_CONNECTED:
     case S_RECONNECT_ATS:
     case S_RECONNECT_BLACKLIST:
     case S_RECONNECT_SENT:
     case S_CONNECTED_SWITCHING_BLACKLIST:
     case S_CONNECTED_SWITCHING_CONNECT_SENT:
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                 "Ignoring request to try to connect, already connected to `%s'!\n",
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+               "Ignoring request to try to connect, already connected to `%s'!\n",
                  GNUNET_i2s (target));
       return; /* already connected */
     case S_DISCONNECT:
@@ -1896,8 +1763,8 @@ GST_neighbours_try_connect (const struct GNUNET_PeerIdentity *target)
       free_neighbour (n, GNUNET_NO);
       break;
     case S_DISCONNECT_FINISHED:
-      /* should not be possible */      
-      GNUNET_assert (0); 
+      /* should not be possible */
+      GNUNET_assert (0);
     default:
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unhandled state `%s' \n",print_state (n->state));
       GNUNET_break (0);
@@ -1905,8 +1772,8 @@ GST_neighbours_try_connect (const struct GNUNET_PeerIdentity *target)
       break;
     }
   }
-  n = setup_neighbour (target);  
-  n->state = S_INIT_ATS; 
+  n = setup_neighbour (target);
+  n->state = S_INIT_ATS;
   n->timeout = GNUNET_TIME_relative_to_absolute (ATS_RESPONSE_TIMEOUT);
 
   GNUNET_ATS_reset_backoff (GST_ats, target);
@@ -1988,7 +1855,7 @@ handle_test_blacklist_cont (void *cls,
                                        n->primary_address.session,
                                        n->connect_ack_timestamp);
     }
-    break; 
+    break;
   case S_CONNECT_RECV_BLACKLIST_INBOUND:
     if (GNUNET_OK == result)
        GST_ats_add_address (bcc->na.address, bcc->na.session);
@@ -2011,7 +1878,7 @@ handle_test_blacklist_cont (void *cls,
       send_session_connect_ack_message (bcc->na.address,
                                        bcc->na.session,
                                        n->connect_ack_timestamp);
-      if (1 == n->send_connect_ack) 
+      if (1 == n->send_connect_ack)
        n->send_connect_ack = 2;
     }
     else
@@ -2038,13 +1905,13 @@ handle_test_blacklist_cont (void *cls,
                                        n->primary_address.session,
                                        n->connect_ack_timestamp);
     }
-    break; 
+    break;
   case S_CONNECTED:
     /* already connected, don't care about blacklist */
     break;
   case S_RECONNECT_ATS:
     /* still waiting on ATS suggestion, don't care about blacklist */
-    break;     
+    break;
   case S_RECONNECT_BLACKLIST:
     if ( (GNUNET_OK == result) &&
         (1 == n->send_connect_ack) )
@@ -2083,7 +1950,7 @@ handle_test_blacklist_cont (void *cls,
                                        n->primary_address.session,
                                        n->connect_ack_timestamp);
     }
-    break;     
+    break;
   case S_CONNECTED_SWITCHING_BLACKLIST:
     if (GNUNET_YES != address_matches (&bcc->na, &n->alternative_address))
       break; /* result for an address we currently don't care about */
@@ -2111,7 +1978,7 @@ handle_test_blacklist_cont (void *cls,
                                        n->primary_address.session,
                                        n->connect_ack_timestamp);
     }
-    break;     
+    break;
   case S_DISCONNECT:
     /* Nothing to do here, ATS will already do what can be done */
     break;
@@ -2126,12 +1993,11 @@ handle_test_blacklist_cont (void *cls,
     break;
   }
  cleanup:
-  MEMDEBUG_free (bcc->na.address, __LINE__);
-  //GNUNET_HELLO_address_free (bcc->na.address);
+  GNUNET_HELLO_address_free (bcc->na.address);
   GNUNET_CONTAINER_DLL_remove (bc_head,
                               bc_tail,
                               bcc);
-  MEMDEBUG_free (bcc, __LINE__);
+  GNUNET_free (bcc);
 }
 
 
@@ -2154,19 +2020,17 @@ check_blacklist (const struct GNUNET_PeerIdentity *peer,
   struct BlackListCheckContext *bcc;
   struct GST_BlacklistCheck *bc;
 
-  bcc =
-      MEMDEBUG_malloc (sizeof (struct BlackListCheckContext), __LINE__);
+  bcc = GNUNET_malloc (sizeof (struct BlackListCheckContext));
   bcc->na.address = GNUNET_HELLO_address_copy (address);
-  MEMDEBUG_add_alloc (bcc->na.address, GNUNET_HELLO_address_get_size (address), __LINE__);
   bcc->na.session = session;
   bcc->na.connect_timestamp = ts;
   GNUNET_CONTAINER_DLL_insert (bc_head,
                               bc_tail,
                               bcc);
-  if (NULL != (bc = GST_blacklist_test_allowed (peer, 
+  if (NULL != (bc = GST_blacklist_test_allowed (peer,
                                                address->transport_name,
                                                &handle_test_blacklist_cont, bcc)))
-    bcc->bc = bc; 
+    bcc->bc = bc;
   /* if NULL == bc, 'cont' was already called and 'bcc' already free'd, so
      we must only store 'bc' if 'bc' is non-NULL... */
 }
@@ -2193,7 +2057,7 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
   struct GNUNET_TIME_Absolute ts;
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Received CONNECT message from peer `%s'\n", 
+              "Received CONNECT message from peer `%s'\n",
              GNUNET_i2s (peer));
 
   if (ntohs (message->size) != sizeof (struct SessionConnectMessage))
@@ -2213,7 +2077,7 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
   n->connect_ack_timestamp = ts;
 
   switch (n->state)
-  {  
+  {
   case S_NOT_CONNECTED:
     n->state = S_CONNECT_RECV_BLACKLIST_INBOUND;
     /* Do a blacklist check for the new address */
@@ -2229,7 +2093,7 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
   case S_CONNECT_RECV_ATS:
   case S_CONNECT_RECV_BLACKLIST:
   case S_CONNECT_RECV_ACK:
-    /* It can never hurt to have an alternative address in the above cases, 
+    /* It can never hurt to have an alternative address in the above cases,
        see if it is allowed */
     check_blacklist (peer, ts, address, session);
     break;
@@ -2247,7 +2111,7 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
   case S_RECONNECT_ATS:
   case S_RECONNECT_BLACKLIST:
   case S_RECONNECT_SENT:
-    /* It can never hurt to have an alternative address in the above cases, 
+    /* It can never hurt to have an alternative address in the above cases,
        see if it is allowed */
     check_blacklist (peer, ts, address, session);
     break;
@@ -2286,7 +2150,7 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
 
 /**
  * For an existing neighbour record, set the active connection to
- * use the given address.  
+ * use the given address.
  *
  * @param peer identity of the peer to switch the address for
  * @param address address of the other peer, NULL if other peer
@@ -2294,8 +2158,10 @@ GST_neighbours_handle_connect (const struct GNUNET_MessageHeader *message,
  * @param session session to use (or NULL)
  * @param ats performance data
  * @param ats_count number of entries in ats
- * @param bandwidth_in inbound quota to be used when connection is up
- * @param bandwidth_out outbound quota to be used when connection is up
+ * @param bandwidth_in inbound quota to be used when connection is up,
+ *     0 to disconnect from peer
+ * @param bandwidth_out outbound quota to be used when connection is up,
+ *     0 to disconnect from peer
  */
 void
 GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
@@ -2319,8 +2185,6 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
   if (NULL == (papi = GST_plugins_find (address->transport_name)))
   {
     /* we don't have the plugin for this address */
-         GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                     "2348 : `%s' \n", address->transport_name);
     GNUNET_ATS_address_destroyed (GST_ats, address, NULL);
     return;
   }
@@ -2332,7 +2196,7 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
     return;
   }
 
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "ATS tells us to switch to address '%s' session %p for "
               "peer `%s' in state %s (quota in/out %u %u )\n",
               (address->address_length != 0) ? GST_plugins_a2s (address): "<inbound>",
@@ -2353,7 +2217,7 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Failed to obtain new session for peer `%s' and  address '%s'\n",
-               GNUNET_i2s (&address->peer), GST_plugins_a2s (address));    
+               GNUNET_i2s (&address->peer), GST_plugins_a2s (address));
     GNUNET_ATS_address_destroyed (GST_ats, address, NULL);
     return;
   }
@@ -2510,6 +2374,138 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
   }
 }
 
+static int
+send_utilization_data (void *cls,
+    const struct GNUNET_PeerIdentity *key,
+    void *value)
+{
+  struct NeighbourMapEntry *n = value;
+  struct GNUNET_ATS_Information atsi[4];
+  uint32_t bps_pl_in;
+  uint32_t bps_pl_out;
+  uint32_t bps_in;
+  uint32_t bps_out;
+  struct GNUNET_TIME_Relative delta;
+
+  delta = GNUNET_TIME_absolute_get_difference(n->last_util_transmission, GNUNET_TIME_absolute_get());
+
+  bps_pl_in = 0;
+  if (0 != n->util_payload_bytes_recv)
+    bps_pl_in =  (1000LL * 1000LL *  n->util_payload_bytes_recv) / (delta.rel_value_us);
+  bps_pl_out = 0;
+  if (0 != n->util_payload_bytes_sent)
+    bps_pl_out = (1000LL * 1000LL * n->util_payload_bytes_sent) / delta.rel_value_us;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s' payload: received %u Bytes/s, sent %u Bytes/s  \n",
+      GNUNET_i2s (key), bps_pl_in, bps_pl_out);
+
+  bps_in = 0;
+  if (0 != n->util_total_bytes_recv)
+    bps_in =  (1000LL * 1000LL *  n->util_total_bytes_recv) / (delta.rel_value_us);
+  bps_out = 0;
+  if (0 != n->util_total_bytes_sent)
+    bps_out = (1000LL * 1000LL * n->util_total_bytes_sent) / delta.rel_value_us;
+
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s' total: received %u Bytes/s, sent %u Bytes/s  \n",
+      GNUNET_i2s (key), bps_in, bps_out);
+
+  atsi[0].type = htonl (GNUNET_ATS_UTILIZATION_OUT);
+  atsi[0].value = htonl (bps_out);
+  atsi[1].type = htonl (GNUNET_ATS_UTILIZATION_IN);
+  atsi[1].value = htonl (bps_in);
+
+  atsi[2].type = htonl (GNUNET_ATS_UTILIZATION_PAYLOAD_OUT);
+  atsi[2].value = htonl (bps_pl_out);
+  atsi[3].type = htonl (GNUNET_ATS_UTILIZATION_PAYLOAD_IN);
+  atsi[3].value = htonl (bps_pl_in);
+
+  GST_ats_update_metrics (key, n->primary_address.address,
+      n->primary_address.session, atsi, 4);
+  n->util_payload_bytes_recv = 0;
+  n->util_payload_bytes_sent = 0;
+  n->util_total_bytes_recv = 0;
+  n->util_total_bytes_sent = 0;
+  n->last_util_transmission = GNUNET_TIME_absolute_get();
+  return GNUNET_OK;
+}
+
+/**
+ * Task transmitting utilization in a regular interval
+ *
+ * @param cls the 'struct NeighbourMapEntry' for which we are running
+ * @param tc scheduler context (unused)
+ */
+static void
+utilization_transmission (void *cls,
+             const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  util_transmission_tk = GNUNET_SCHEDULER_NO_TASK;
+
+  if (0 < GNUNET_CONTAINER_multipeermap_size (neighbours))
+    GNUNET_CONTAINER_multipeermap_iterate (neighbours, send_utilization_data, NULL);
+
+  util_transmission_tk = GNUNET_SCHEDULER_add_delayed (UTIL_TRANSMISSION_INTERVAL,
+      utilization_transmission, NULL);
+
+}
+
+void
+GST_neighbours_notify_data_recv (const struct GNUNET_PeerIdentity *peer,
+                 const struct GNUNET_HELLO_Address *address,
+                 struct Session *session,
+                 const struct GNUNET_MessageHeader *message)
+{
+  struct NeighbourMapEntry *n;
+  n = lookup_neighbour (peer);
+  if (NULL == n)
+  {
+      return;
+  }
+  n->util_total_bytes_recv += ntohs(message->size);
+}
+
+void
+GST_neighbours_notify_payload_recv (const struct GNUNET_PeerIdentity *peer,
+                 const struct GNUNET_HELLO_Address *address,
+                 struct Session *session,
+                 const struct GNUNET_MessageHeader *message)
+{
+  struct NeighbourMapEntry *n;
+  n = lookup_neighbour (peer);
+  if (NULL == n)
+  {
+      return;
+  }
+  n->util_payload_bytes_recv += ntohs(message->size);
+}
+
+
+void
+GST_neighbours_notify_data_sent (const struct GNUNET_PeerIdentity *peer,
+    size_t size)
+{
+  struct NeighbourMapEntry *n;
+  n = lookup_neighbour (peer);
+  if (NULL == n)
+  {
+      return;
+  }
+  n->util_total_bytes_sent += size;
+}
+
+void
+GST_neighbours_notify_payload_sent (const struct GNUNET_PeerIdentity *peer,
+    size_t size)
+{
+  struct NeighbourMapEntry *n;
+  n = lookup_neighbour (peer);
+  if (NULL == n)
+  {
+      return;
+  }
+  n->util_payload_bytes_sent += size;
+}
+
 
 /**
  * Master task run for every neighbour.  Performs all of the time-related
@@ -2527,7 +2523,7 @@ master_task (void *cls,
   struct GNUNET_TIME_Relative delay;
 
   n->task = GNUNET_SCHEDULER_NO_TASK;
-  delay = GNUNET_TIME_absolute_get_remaining (n->timeout);  
+  delay = GNUNET_TIME_absolute_get_remaining (n->timeout);
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Master task runs for neighbour `%s' in state %s with timeout in %s\n",
              GNUNET_i2s (&n->id),
@@ -2696,11 +2692,11 @@ master_task (void *cls,
   default:
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unhandled state `%s' \n",print_state (n->state));
     GNUNET_break (0);
-    break;  
+    break;
   }
   if ( (S_CONNECTED_SWITCHING_CONNECT_SENT == n->state) ||
        (S_CONNECTED_SWITCHING_BLACKLIST == n->state) ||
-       (S_CONNECTED == n->state) )    
+       (S_CONNECTED == n->state) )
   {
     /* if we are *now* in one of these three states, we're sending
        keep alive messages, so we need to consider the keepalive
@@ -2787,14 +2783,14 @@ GST_neighbours_handle_connect_ack (const struct GNUNET_MessageHeader *message,
                               gettext_noop
                               ("# unexpected CONNECT_ACK messages (not ready)"),
                               1, GNUNET_NO);
-    break;    
+    break;
   case S_CONNECT_SENT:
     if (ts.abs_value_us != n->primary_address.connect_timestamp.abs_value_us)
       break; /* ACK does not match our original CONNECT message */
     n->state = S_CONNECTED;
     n->timeout = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
-    GNUNET_STATISTICS_set (GST_stats, 
-                          gettext_noop ("# peers connected"), 
+    GNUNET_STATISTICS_set (GST_stats,
+                          gettext_noop ("# peers connected"),
                           ++neighbours_connected,
                           GNUNET_NO);
     connect_notify_cb (callback_cls, &n->id,
@@ -2856,7 +2852,7 @@ GST_neighbours_handle_connect_ack (const struct GNUNET_MessageHeader *message,
                 GNUNET_YES);
     free_address (&n->alternative_address);
     send_session_ack_message (n);
-    break;    
+    break;
   case S_DISCONNECT:
     GNUNET_STATISTICS_update (GST_stats,
                               gettext_noop
@@ -2869,7 +2865,7 @@ GST_neighbours_handle_connect_ack (const struct GNUNET_MessageHeader *message,
   default:
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Unhandled state `%s' \n",print_state (n->state));
     GNUNET_break (0);
-    break;   
+    break;
   }
 }
 
@@ -2899,12 +2895,11 @@ GST_neighbours_session_terminated (const struct GNUNET_PeerIdentity *peer,
     if (bcc->na.session == session)
     {
       GST_blacklist_test_cancel (bcc->bc);
-      MEMDEBUG_free (bcc->na.address, __LINE__);
-      //GNUNET_HELLO_address_free (bcc->na.address);
+      GNUNET_HELLO_address_free (bcc->na.address);
       GNUNET_CONTAINER_DLL_remove (bc_head,
                                   bc_tail,
                                   bcc);
-      MEMDEBUG_free (bcc, __LINE__);
+      GNUNET_free (bcc);
     }
   }
   if (NULL == (n = lookup_neighbour (peer)))
@@ -2943,7 +2938,7 @@ GST_neighbours_session_terminated (const struct GNUNET_PeerIdentity *peer,
     n->suggest_handle = GNUNET_ATS_suggest_address (GST_ats, &n->id);
     break;
   case S_CONNECT_RECV_BLACKLIST_INBOUND:
-  case S_CONNECT_RECV_ATS:    
+  case S_CONNECT_RECV_ATS:
   case S_CONNECT_RECV_BLACKLIST:
   case S_CONNECT_RECV_ACK:
     /* error on inbound session; free neighbour entirely */
@@ -2970,7 +2965,7 @@ GST_neighbours_session_terminated (const struct GNUNET_PeerIdentity *peer,
     break;
   case S_CONNECTED_SWITCHING_BLACKLIST:
     /* primary went down while we were checking secondary against
-       blacklist, adopt secondary as primary */       
+       blacklist, adopt secondary as primary */
     free_address (&n->primary_address);
     n->primary_address = n->alternative_address;
     memset (&n->alternative_address, 0, sizeof (struct NeighbourAddress));
@@ -2979,7 +2974,7 @@ GST_neighbours_session_terminated (const struct GNUNET_PeerIdentity *peer,
     break;
   case S_CONNECTED_SWITCHING_CONNECT_SENT:
     /* primary went down while we were waiting for CONNECT_ACK on secondary;
-       secondary as primary */       
+       secondary as primary */
     free_address (&n->primary_address);
     n->primary_address = n->alternative_address;
     memset (&n->alternative_address, 0, sizeof (struct NeighbourAddress));
@@ -3024,7 +3019,7 @@ GST_neighbours_handle_session_ack (const struct GNUNET_MessageHeader *message,
 {
   struct NeighbourMapEntry *n;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Received SESSION_ACK message from peer `%s'\n",
               GNUNET_i2s (peer));
   if (ntohs (message->size) != sizeof (struct GNUNET_MessageHeader))
@@ -3047,8 +3042,8 @@ GST_neighbours_handle_session_ack (const struct GNUNET_MessageHeader *message,
   }
   n->state = S_CONNECTED;
   n->timeout = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
-  GNUNET_STATISTICS_set (GST_stats, 
-                        gettext_noop ("# peers connected"), 
+  GNUNET_STATISTICS_set (GST_stats,
+                        gettext_noop ("# peers connected"),
                         ++neighbours_connected,
                         GNUNET_NO);
   connect_notify_cb (callback_cls, &n->id,
@@ -3155,7 +3150,7 @@ GST_neighbours_handle_disconnect_message (const struct GNUNET_PeerIdentity
     return;
   }
   GNUNET_CRYPTO_hash (&sdm->public_key,
-                      sizeof (struct GNUNET_CRYPTO_EccPublicKey),
+                      sizeof (struct GNUNET_CRYPTO_EddsaPublicKey),
                       &hc);
   if (0 != memcmp (peer, &hc, sizeof (struct GNUNET_PeerIdentity)))
   {
@@ -3164,7 +3159,7 @@ GST_neighbours_handle_disconnect_message (const struct GNUNET_PeerIdentity
   }
   if (ntohl (sdm->purpose.size) !=
       sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) +
-      sizeof (struct GNUNET_CRYPTO_EccPublicKey) +
+      sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
       sizeof (struct GNUNET_TIME_AbsoluteNBO))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
@@ -3175,7 +3170,7 @@ GST_neighbours_handle_disconnect_message (const struct GNUNET_PeerIdentity
     return;
   }
   if (GNUNET_OK !=
-      GNUNET_CRYPTO_ecc_verify
+      GNUNET_CRYPTO_eddsa_verify
       (GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_DISCONNECT, &sdm->purpose,
        &sdm->signature, &sdm->public_key))
   {
@@ -3221,7 +3216,7 @@ struct IteratorContext
  * @return GNUNET_OK (continue to iterate)
  */
 static int
-neighbours_iterate (void *cls, const struct GNUNET_HashCode * key, void *value)
+neighbours_iterate (void *cls, const struct GNUNET_PeerIdentity * key, void *value)
 {
   struct IteratorContext *ic = cls;
   struct NeighbourMapEntry *n = value;
@@ -3261,11 +3256,11 @@ GST_neighbours_iterate (GST_NeighbourIterator cb, void *cb_cls)
 {
   struct IteratorContext ic;
 
-  if (NULL == neighbours)  
+  if (NULL == neighbours)
     return; /* can happen during shutdown */
   ic.cb = cb;
   ic.cb_cls = cb_cls;
-  GNUNET_CONTAINER_multihashmap_iterate (neighbours, &neighbours_iterate, &ic);
+  GNUNET_CONTAINER_multipeermap_iterate (neighbours, &neighbours_iterate, &ic);
 }
 
 
@@ -3294,7 +3289,7 @@ GST_neighbours_force_disconnect (const struct GNUNET_PeerIdentity *target)
  * Obtain current latency information for the given neighbour.
  *
  * @param peer to get the latency for
- * @return observed latency of the address, FOREVER if the 
+ * @return observed latency of the address, FOREVER if the
  *         the connection is not up
  */
 struct GNUNET_TIME_Relative
@@ -3303,7 +3298,7 @@ GST_neighbour_get_latency (const struct GNUNET_PeerIdentity *peer)
   struct NeighbourMapEntry *n;
 
   n = lookup_neighbour (peer);
-  if (NULL == n) 
+  if (NULL == n)
     return GNUNET_TIME_UNIT_FOREVER_REL;
   switch (n->state)
   {
@@ -3330,7 +3325,7 @@ GST_neighbour_get_latency (const struct GNUNET_PeerIdentity *peer)
     GNUNET_break (0);
     break;
   }
-  return GNUNET_TIME_UNIT_FOREVER_REL;   
+  return GNUNET_TIME_UNIT_FOREVER_REL;
 }
 
 
@@ -3373,7 +3368,9 @@ GST_neighbours_start (void *cls,
   connect_notify_cb = connect_cb;
   disconnect_notify_cb = disconnect_cb;
   address_change_cb = peer_address_cb;
-  neighbours = GNUNET_CONTAINER_multihashmap_create (NEIGHBOUR_TABLE_SIZE, GNUNET_NO);
+  neighbours = GNUNET_CONTAINER_multipeermap_create (NEIGHBOUR_TABLE_SIZE, GNUNET_NO);
+  util_transmission_tk = GNUNET_SCHEDULER_add_delayed (UTIL_TRANSMISSION_INTERVAL,
+      utilization_transmission, NULL);
 }
 
 
@@ -3386,11 +3383,13 @@ GST_neighbours_start (void *cls,
  * @return GNUNET_OK (continue to iterate)
  */
 static int
-disconnect_all_neighbours (void *cls, const struct GNUNET_HashCode * key, void *value)
+disconnect_all_neighbours (void *cls,
+                          const struct GNUNET_PeerIdentity *key,
+                          void *value)
 {
   struct NeighbourMapEntry *n = value;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Disconnecting peer `%4s', %s\n",
               GNUNET_i2s (&n->id), "SHUTDOWN_TASK");
   n->state = S_DISCONNECT_FINISHED;
@@ -3407,10 +3406,16 @@ GST_neighbours_stop ()
 {
   if (NULL == neighbours)
     return;
-  GNUNET_CONTAINER_multihashmap_iterate (neighbours, 
+  if (GNUNET_SCHEDULER_NO_TASK != util_transmission_tk)
+  {
+    GNUNET_SCHEDULER_cancel (util_transmission_tk);
+    util_transmission_tk = GNUNET_SCHEDULER_NO_TASK;
+  }
+
+  GNUNET_CONTAINER_multipeermap_iterate (neighbours,
                                         &disconnect_all_neighbours,
                                          NULL);
-  GNUNET_CONTAINER_multihashmap_destroy (neighbours);
+  GNUNET_CONTAINER_multipeermap_destroy (neighbours);
   neighbours = NULL;
   callback_cls = NULL;
   connect_notify_cb = NULL;