From 647ec74b097c5581664362b4d5a2f7759553370a Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 18 Dec 2013 22:57:37 +0000
Subject: [PATCH] -fix transmission logic in DV API

---
 src/dv/dv_api.c            | 23 +++++++++++++++++------
 src/dv/gnunet-service-dv.c |  7 ++++++-
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/src/dv/dv_api.c b/src/dv/dv_api.c
index faf61df5e..bf8151b48 100644
--- a/src/dv/dv_api.c
+++ b/src/dv/dv_api.c
@@ -197,6 +197,15 @@ static void
 reconnect (struct GNUNET_DV_ServiceHandle *sh);
 
 
+/**
+ * Start sending messages from our queue to the service.
+ *
+ * @param sh service handle
+ */
+static void
+start_transmit (struct GNUNET_DV_ServiceHandle *sh);
+
+
 /**
  * Gives a message from our queue to the DV service.
  *
@@ -236,15 +245,17 @@ transmit_pending (void *cls, size_t size, void *buf)
     ret += tsize;
     if (NULL != th->cb)
     {
-      GNUNET_CONTAINER_DLL_insert (th->target->head,
-                                   th->target->tail,
-                                   th);
+      GNUNET_CONTAINER_DLL_insert_tail (th->target->head,
+                                        th->target->tail,
+                                        th);
     }
     else
     {
       GNUNET_free (th);
     }
   }
+  if (NULL != sh->th_head)
+    start_transmit (sh);
   return ret;
 }
 
@@ -691,9 +702,9 @@ GNUNET_DV_send (struct GNUNET_DV_ServiceHandle *sh,
   /* use memcpy here as 'target' may not be sufficiently aligned */
   memcpy (&sm->target, target, sizeof (struct GNUNET_PeerIdentity));
   memcpy (&sm[1], msg, ntohs (msg->size));
-  GNUNET_CONTAINER_DLL_insert (sh->th_head,
-			       sh->th_tail,
-			       th);
+  GNUNET_CONTAINER_DLL_insert_tail (sh->th_head,
+                                    sh->th_tail,
+                                    th);
   start_transmit (sh);
   return th;
 }
diff --git a/src/dv/gnunet-service-dv.c b/src/dv/gnunet-service-dv.c
index 43292e3aa..9132d2a34 100644
--- a/src/dv/gnunet-service-dv.c
+++ b/src/dv/gnunet-service-dv.c
@@ -1961,6 +1961,10 @@ handle_dv_send_message (void *cls, struct GNUNET_SERVER_Client *client,
   if (NULL == route)
   {
     /* got disconnected */
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "No route to %s, dropping local message of type %u\n",
+                GNUNET_i2s (&msg->target),
+                ntohs (payload->type));
     GNUNET_STATISTICS_update (stats,
 			      "# local messages discarded (no route)",
 			      1, GNUNET_NO);
@@ -1969,8 +1973,9 @@ handle_dv_send_message (void *cls, struct GNUNET_SERVER_Client *client,
     return;
   }
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-	      "Forwarding %u bytes to %s\n",
+	      "Forwarding %u bytes of type %u to %s\n",
 	      ntohs (payload->size),
+              ntohs (payload->type),
 	      GNUNET_i2s (&msg->target));
 
   forward_payload (route->next_hop,
-- 
2.25.1