debugging, found a few more crashes with the hostlist test

1 files changed, 14 insertions, 4 deletions

diff --git a/src/topology/gnunet-daemon-topology.c b/src/topology/gnunet-daemon-topology.c
index f63cc0d85..ad306e03c 100644
--- a/src/topology/gnunet-daemon-topology.c
+++ b/src/topology/gnunet-daemon-topology.c
@@ -251,13 +251,23 @@ static size_t
 ready_callback (void *cls,
                 size_t size, void *buf)
 {
+  struct GNUNET_MessageHeader hdr;
+  if (buf == NULL)
+    {
+#if DEBUG_TOPOLOGY
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Core told us that our attempt to connect failed.\n");
+#endif
+      return 0;
+    }
 #if DEBUG_TOPOLOGY
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              (buf == NULL)
-              ? "Core told us that our attempt to connect failed.\n"
-              : "Core told us that our attempt to connect worked. Good!\n");
+              "Sending dummy message to establish connection.\n");
 #endif
-  return 0;
+  hdr.size = htons (sizeof (struct GNUNET_MessageHeader));
+  hdr.type = htons (GNUNET_MESSAGE_TYPE_TOPOLOGY_DUMMY);
+  memcpy (buf, &hdr, sizeof (struct GNUNET_MessageHeader));
+  return sizeof (struct GNUNET_MessageHeader);
 }