From 0cf253483433ce66627915bb72bc643d2f7c8a5c Mon Sep 17 00:00:00 2001
From: Bart Polot <bart@net.in.tum.de>
Date: Wed, 9 Apr 2014 17:18:48 +0000
Subject: - add context in path to link connection

---
 src/mesh/gnunet-service-mesh_connection.c |  1 +
 src/mesh/gnunet-service-mesh_peer.c       | 15 ++++++++++++---
 src/mesh/mesh_path.h                      |  7 +++++++
 3 files changed, 20 insertions(+), 3 deletions(-)

(limited to 'src/mesh')

diff --git a/src/mesh/gnunet-service-mesh_connection.c b/src/mesh/gnunet-service-mesh_connection.c
index 8b5bf8dbf..e355b9e2b 100644
--- a/src/mesh/gnunet-service-mesh_connection.c
+++ b/src/mesh/gnunet-service-mesh_connection.c
@@ -2439,6 +2439,7 @@ GMC_new (const struct GNUNET_MESH_Hash *cid,
   GNUNET_assert (own_pos <= p->length - 1);
   c->own_pos = own_pos;
   c->path = p;
+  p->c = c;
 
   if (GNUNET_OK != register_neighbors (c))
   {
diff --git a/src/mesh/gnunet-service-mesh_peer.c b/src/mesh/gnunet-service-mesh_peer.c
index 7d537e875..50e37fee2 100644
--- a/src/mesh/gnunet-service-mesh_peer.c
+++ b/src/mesh/gnunet-service-mesh_peer.c
@@ -744,11 +744,10 @@ peer_get_best_path (const struct MeshPeer *peer)
   best_p = NULL;
   for (p = peer->path_head; NULL != p; p = p->next)
   {
-    if (GNUNET_YES == GMT_is_path_used (peer->tunnel, p))
-      continue; /* If path is already in use, skip it. */
-
     if (GNUNET_NO == path_is_valid (p))
       continue; /* Don't use invalid paths. */
+    if (GNUNET_YES == GMT_is_path_used (peer->tunnel, p))
+      continue; /* If path is already in use, skip it. */
 
     if ((cost = GMT_get_path_cost (peer->tunnel, p)) < best_cost)
     {
@@ -760,6 +759,16 @@ peer_get_best_path (const struct MeshPeer *peer)
 }
 
 
+/**
+ * Is this queue element sendable?
+ *
+ * - All management traffic is always sendable.
+ * - For payload traffic, check the connection flow control.
+ *
+ * @param q Queue element to inspect.
+ *
+ * @return #GNUNET_YES if it is sendable, #GNUNET_NO otherwise.
+ */
 static int
 queue_is_sendable (struct MeshPeerQueue *q)
 {
diff --git a/src/mesh/mesh_path.h b/src/mesh/mesh_path.h
index 8b8e20a1e..bba11e9d4 100644
--- a/src/mesh/mesh_path.h
+++ b/src/mesh/mesh_path.h
@@ -24,6 +24,8 @@
  * @author Bartlomiej Polot
  */
 
+#include "gnunet-service-mesh_connection.h"
+
 #ifndef MESH_PATH_H_
 #define MESH_PATH_H_
 
@@ -61,6 +63,11 @@ struct MeshPeerPath
      */
   unsigned int length;
 
+    /**
+     * User defined data store.
+     */
+  struct MeshConnection *c;
+
     /**
      * Path's score, how reliable is the path.
      */
-- 
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