[GNUnet-SVN] r30022 - gnunet/src/mesh

[gnunet]

Author: bartpolot
Date: 2013-10-09 03:30:25 +0200 (Wed, 09 Oct 2013)
New Revision: 30022

Modified:
   gnunet/src/mesh/gnunet-service-mesh_connection.c
   gnunet/src/mesh/gnunet-service-mesh_peer.c
   gnunet/src/mesh/gnunet-service-mesh_peer.h
   gnunet/src/mesh/gnunet-service-mesh_tunnel.c
   gnunet/src/mesh/gnunet-service-mesh_tunnel.h
Log:
- sync


Modified: gnunet/src/mesh/gnunet-service-mesh_connection.c
===================================================================
--- gnunet/src/mesh/gnunet-service-mesh_connection.c    2013-10-09 01:08:49 UTC 
(rev 30021)
+++ gnunet/src/mesh/gnunet-service-mesh_connection.c    2013-10-09 01:30:25 UTC 
(rev 30022)
@@ -31,6 +31,7 @@
 
 #include "gnunet-service-mesh_connection.h"
 #include "gnunet-service-mesh_peer.h"
+#include "gnunet-service-mesh_tunnel.h"
 #include "mesh_protocol_enc.h"
 #include "mesh_path.h"
 
@@ -314,7 +315,6 @@
 }
 
 
-
 /**
  * Initialize a Flow Control structure to the initial state.
  *
@@ -726,8 +726,6 @@
 }
 
 
-
-
 /**
  * Function called if a connection has been stalled for a while,
  * possibly due to a missed ACK. Poll the neighbor about its ACK status.
@@ -951,6 +949,23 @@
 }
 
 
+/**
+ * 
+ */
+static void
+unregister_neighbors (struct MeshConnection *c)
+{
+  struct MeshPeer *peer;
+
+  peer = connection_get_next_hop (c);
+  GMP_remove_connection (peer, c);
+
+  peer = connection_get_prev_hop (c);
+  GMP_remove_connection (peer, c);
+
+}
+
+
 
/******************************************************************************/
 /********************************    API    
***********************************/
 
/******************************************************************************/
@@ -1647,7 +1662,7 @@
     return GNUNET_OK;
 
   GNUNET_STATISTICS_update (stats, "# keepalives forwarded", 1, GNUNET_NO);
-  send_prebuilt_message_connection (message, c, NULL, fwd);
+  GMC_send_prebuilt_message (message, c, NULL, fwd);
 
   return GNUNET_OK;
 }
@@ -1672,17 +1687,17 @@
   if (NULL == c || GMC_is_terminal (c, fwd))
   {
     LOG (GNUNET_ERROR_TYPE_DEBUG, "  getting from all connections\n");
-    buffer = tunnel_get_buffer (NULL == c ? ch->t : c->t, fwd);
+    buffer = GMT_get_buffer (NULL == c ? ch->t : c->t, fwd);
   }
   else
   {
     LOG (GNUNET_ERROR_TYPE_DEBUG, "  getting from one connection\n");
-    buffer = connection_get_buffer (c, fwd);
+    buffer = GMC_get_buffer (c, fwd);
   }
   LOG (GNUNET_ERROR_TYPE_DEBUG, "  buffer available: %u\n", buffer);
 
-  if ( (NULL != ch && channel_is_origin (ch, fwd)) ||
-       (NULL != c && connection_is_origin (c, fwd)) )
+  if ( (NULL != ch && GMCH_is_origin (ch, fwd)) ||
+       (NULL != c && GMC_is_origin (c, fwd)) )
   {
     LOG (GNUNET_ERROR_TYPE_DEBUG, "  sending on channel...\n");
     if (0 < buffer)
@@ -1763,7 +1778,6 @@
          unsigned int own_pos)
 {
   struct MeshConnection *c;
-  unsigned int own_pos;
 
   c = GNUNET_new (struct MeshConnection);
   c->id = *cid;
@@ -1795,7 +1809,7 @@
 }
 
 
-static void
+void
 GMC_destroy (struct MeshConnection *c)
 {
   struct MeshPeer *peer;
@@ -1803,9 +1817,8 @@
   if (NULL == c)
     return;
 
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "destroying connection %s[%X]\n",
-              peer2s (c->t->peer),
-              c->id);
+  LOG (GNUNET_ERROR_TYPE_DEBUG, "destroying connection %s\n",
+       GNUNET_h2s (&c->id));
 
   /* Cancel all traffic */
   connection_cancel_queues (c, GNUNET_YES);
@@ -1817,17 +1830,12 @@
   if (GNUNET_SCHEDULER_NO_TASK != c->bck_maintenance_task)
     GNUNET_SCHEDULER_cancel (c->bck_maintenance_task);
 
-  /* Deregister from neighbors */
-  peer = connection_get_next_hop (c);
-  if (NULL != peer && NULL != peer->connections)
-    GNUNET_CONTAINER_multihashmap_remove (peer->connections, &c->id, c);
-  peer = connection_get_prev_hop (c);
-  if (NULL != peer && NULL != peer->connections)
-    GNUNET_CONTAINER_multihashmap_remove (peer->connections, &c->id, c);
+  /* Unregister from neighbors */
+  unregister_neighbors (c);
 
   /* Delete */
   GNUNET_STATISTICS_update (stats, "# connections", -1, GNUNET_NO);
-  GNUNET_CONTAINER_DLL_remove (c->t->connection_head, c->t->connection_tail, 
c);
+  GMT_remove_connection (c->t, c);
   GNUNET_free (c);
 }
 
@@ -1909,7 +1917,6 @@
                    struct MeshPeer *peer,
                    struct GNUNET_PeerIdentity *my_full_id)
 {
-  struct MeshConnection *c = value;
   struct GNUNET_MESH_ConnectionBroken msg;
   int fwd;
 
@@ -1920,18 +1927,18 @@
   {
     /* Local shutdown, no one to notify about this. */
     GMC_destroy (c);
-    return GNUNET_YES;
+    return;
   }
 
   msg.header.size = htons (sizeof (struct GNUNET_MESH_ConnectionBroken));
   msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_CONNECTION_BROKEN);
   msg.cid = c->id;
   msg.peer1 = *my_full_id;
-  msg.peer2 = *GNUNET_PEER_resolve2 (peer->id);
+  msg.peer2 = *GMP_get_id (peer);
   GMC_send_prebuilt_message (&msg.header, c, NULL, fwd);
   c->destroy = GNUNET_YES;
 
-  return GNUNET_YES;
+  return;
 }
 
 
@@ -2084,9 +2091,8 @@
   msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_TUNNEL_DESTROY);;
   msg.cid = c->id;
   LOG (GNUNET_ERROR_TYPE_DEBUG,
-              "  sending connection destroy for connection %s[%X]\n",
-              peer2s (c->t->peer),
-              c->id);
+              "  sending connection destroy for connection %s\n",
+              GNUNET_h2s (&c->id));
 
   if (GNUNET_NO == GMC_is_terminal (c, GNUNET_YES))
     GMC_send_prebuilt_message (&msg.header, c, NULL, GNUNET_YES);

Modified: gnunet/src/mesh/gnunet-service-mesh_peer.c
===================================================================
--- gnunet/src/mesh/gnunet-service-mesh_peer.c  2013-10-09 01:08:49 UTC (rev 
30021)
+++ gnunet/src/mesh/gnunet-service-mesh_peer.c  2013-10-09 01:30:25 UTC (rev 
30022)
@@ -1541,7 +1541,35 @@
                                             
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
 }
 
+
+int
+GMP_remove_connection (struct MeshPeer *peer,
+                       const struct MeshConnection *c)
+{
+  if (NULL == peer || NULL == peer->connections)
+  {
+    GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
+  return GNUNET_CONTAINER_multihashmap_remove (peer->connections,
+                                               GMC_get_id (c),
+                                               c);
+}
+
 /**
+ * Get the Full ID of a peer.
+ *
+ * @param peer Peer to get from.
+ *
+ * @return Full ID of peer.
+ */
+struct GNUNET_PeerIdentity *
+GMP_get_id (const struct MeshPeer *peer)
+{
+  return GNUNET_PEER_resolve2 (peer->id);
+}
+
+/**
  * Get the static string for a peer ID.
  *
  * @param peer Peer.

Modified: gnunet/src/mesh/gnunet-service-mesh_peer.h
===================================================================
--- gnunet/src/mesh/gnunet-service-mesh_peer.h  2013-10-09 01:08:49 UTC (rev 
30021)
+++ gnunet/src/mesh/gnunet-service-mesh_peer.h  2013-10-09 01:30:25 UTC (rev 
30022)
@@ -40,6 +40,8 @@
 #include "platform.h"
 #include "gnunet_util_lib.h"
 
+#include "gnunet-service-mesh_connection.h"
+
 /**
  * Struct containing all information regarding a given peer
  */
@@ -115,7 +117,20 @@
 int
 GMP_add_connection (struct MeshPeer *peer, struct MeshConnection *c);
 
+int
+GMP_remove_connection (struct MeshPeer *peer, struct MeshConnection *c);
+
 /**
+ * Get the Full ID of a peer.
+ *
+ * @param peer Peer to get from.
+ *
+ * @return Full ID of peer.
+ */
+struct GNUNET_PeerIdentity *
+GMP_get_id (const struct MeshPeer *peer);
+
+/**
  * Get the static string for a peer ID.
  *
  * @param peer Peer.

Modified: gnunet/src/mesh/gnunet-service-mesh_tunnel.c
===================================================================
--- gnunet/src/mesh/gnunet-service-mesh_tunnel.c        2013-10-09 01:08:49 UTC 
(rev 30021)
+++ gnunet/src/mesh/gnunet-service-mesh_tunnel.c        2013-10-09 01:30:25 UTC 
(rev 30022)
@@ -290,58 +290,6 @@
 
 
 /**
- * Get the total buffer space for a tunnel.
- *
- * @param t Tunnel.
- * @param fwd Is this for FWD traffic?
- *
- * @return Buffer space offered by all connections in the tunnel.
- */
-static unsigned int
-tunnel_get_buffer (struct MeshTunnel3 *t, int fwd)
-{
-  struct MeshTConnection *iter;
-  unsigned int buffer;
-
-  iter = t->connection_head;
-  buffer = 0;
-
-  /* If terminal, return biggest channel buffer */
-  if (NULL == iter || GMC_is_terminal (iter->c, fwd))
-  {
-    struct MeshTChannel *iter_ch;
-    unsigned int ch_buf;
-
-    if (NULL == t->channel_head)
-      return 64;
-
-    for (iter_ch = t->channel_head; NULL != iter_ch; iter_ch = iter_ch->next)
-    {
-      ch_buf = GMCH_get_buffer (iter_ch->ch, fwd);
-      if (ch_buf > buffer)
-        buffer = ch_buf;
-    }
-    return buffer;
-  }
-
-  /* If not terminal, return sum of connection buffers */
-  while (NULL != iter)
-  {
-    if (GMC_get_state (iter->c) != MESH_CONNECTION_READY)
-    {
-      iter = iter->next;
-      continue;
-    }
-
-    buffer += GMC_get_buffer (iter->c, fwd);
-    iter = iter->next;
-  }
-
-  return buffer;
-}
-
-
-/**
  * Send all cached messages that we can, tunnel is online.
  *
  * @param t Tunnel that holds the messages.
@@ -357,7 +305,7 @@
   LOG (GNUNET_ERROR_TYPE_DEBUG,
               "tunnel_send_queued_data on tunnel %s\n",
               GMP_2s (t->peer));
-  room = tunnel_get_buffer (t, fwd);
+  room = GMT_get_buffer (t, fwd);
   LOG (GNUNET_ERROR_TYPE_DEBUG, "  buffer space: %u\n", room);
   for (tq = t->tq_head; NULL != tq && room > 0; tq = next)
   {
@@ -741,6 +689,27 @@
 
 
 /**
+ * Remove a connection from a tunnel.
+ *
+ * @param t Tunnel.
+ * @param c Connection.
+ */
+void
+GMT_remove_connection (struct MeshTunnel3 *t, struct MeshConnection *c)
+{
+  struct MeshTConnection *aux;
+
+  for (aux = t->connection_head; aux != NULL; aux = aux->next)
+    if (aux->c == c)
+    {
+      GNUNET_CONTAINER_DLL_remove (t->connection_head, t->connection_tail, 
aux);
+      GNUNET_free (aux);
+      return;
+    }
+}
+
+
+/**
  * Tunnel is empty: destroy it.
  *
  * Notifies all connections about the destruction.
@@ -983,6 +952,57 @@
 
 
 /**
+ * Get the total buffer space for a tunnel.
+ *
+ * @param t Tunnel.
+ * @param fwd Is this for FWD traffic?
+ *
+ * @return Buffer space offered by all connections in the tunnel.
+ */
+unsigned int
+GMT_get_buffer (struct MeshTunnel3 *t, int fwd)
+{
+  struct MeshTConnection *iter;
+  unsigned int buffer;
+
+  iter = t->connection_head;
+  buffer = 0;
+
+  /* If terminal, return biggest channel buffer */
+  if (NULL == iter || GMC_is_terminal (iter->c, fwd))
+  {
+    struct MeshTChannel *iter_ch;
+    unsigned int ch_buf;
+
+    if (NULL == t->channel_head)
+      return 64;
+
+    for (iter_ch = t->channel_head; NULL != iter_ch; iter_ch = iter_ch->next)
+    {
+      ch_buf = GMCH_get_buffer (iter_ch->ch, fwd);
+      if (ch_buf > buffer)
+        buffer = ch_buf;
+    }
+    return buffer;
+  }
+
+  /* If not terminal, return sum of connection buffers */
+  while (NULL != iter)
+  {
+    if (GMC_get_state (iter->c) != MESH_CONNECTION_READY)
+    {
+      iter = iter->next;
+      continue;
+    }
+
+    buffer += GMC_get_buffer (iter->c, fwd);
+    iter = iter->next;
+  }
+
+  return buffer;
+}
+
+/**
  * Sends an already built message on a tunnel, choosing the best connection.
  *
  * @param message Message to send. Function modifies it.

Modified: gnunet/src/mesh/gnunet-service-mesh_tunnel.h
===================================================================
--- gnunet/src/mesh/gnunet-service-mesh_tunnel.h        2013-10-09 01:08:49 UTC 
(rev 30021)
+++ gnunet/src/mesh/gnunet-service-mesh_tunnel.h        2013-10-09 01:30:25 UTC 
(rev 30022)
@@ -41,8 +41,8 @@
 #include "gnunet_util_lib.h"
 
 #include "gnunet-service-mesh_channel.h"
+#include "gnunet-service-mesh_connection.h"
 
-
 /**
  * All the states a tunnel can be in.
  */
@@ -142,8 +142,26 @@
 void
 GMT_change_state (struct MeshTunnel3* t, enum MeshTunnelState state);
 
+/**
+ * Add a connection to a tunnel.
+ *
+ * @param t Tunnel.
+ * @param c Connection.
+ */
+void
+GMT_add_connection (struct MeshTunnel3 *t, struct MeshConnection *c);
 
+
 /**
+ * Remove a connection from a tunnel.
+ *
+ * @param t Tunnel.
+ * @param c Connection.
+ */
+void
+GMT_remove_connection (struct MeshTunnel3 *t, struct MeshConnection *c);
+
+/**
  * Cache a message to be sent once tunnel is online.
  *
  * @param t Tunnel to hold the message.
@@ -177,6 +195,17 @@
 unsigned int
 GMT_count_channels (struct MeshTunnel3 *t);
 
+/**
+ * Get the total buffer space for a tunnel.
+ *
+ * @param t Tunnel.
+ * @param fwd Is this for FWD traffic?
+ *
+ * @return Buffer space offered by all connections in the tunnel.
+ */
+unsigned int
+GMT_get_buffer (struct MeshTunnel3 *t, int fwd);
+
 #if 0                           /* keep Emacsens' auto-indent happy */
 {
 #endif