/** Used to allow a client send more traffic to the service after a
* previous packet was tried to be sent to a neighbor and couldn't */
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+ GNUNET_SCHEDULER_TaskIdentifier *timeout_task;
};
return GNUNET_CONTAINER_multihashmap_contains (c->types, &hc);
}
+
+/**
+ * Allow a client to send more data after transmitting a multicast message
+ * which some neighbor has not yet accepted altough a reasonable time has
+ * passed.
+ *
+ * @param cls Closure (DataDescriptor containing the task identifier)
+ * @param tc Task Context
+ */
static void
client_allow_send(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (GNUNET_SCHEDULER_REASON_SHUTDOWN == tc->reason)
return;
- info->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+#if MESH_DEBUG
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MESH: CLIENT ALLOW SEND DESPITE %u COPIES PENDING\n",
+ *(info->copies));
+#endif
+ *(info->timeout_task) = GNUNET_SCHEDULER_NO_TASK;
GNUNET_SERVER_receive_done(info->client, GNUNET_OK);
}
send_core_data_multicast (void *cls, size_t size, void *buf);
+/**
+ * Decrements the reference counter and frees all resources if needed
+ *
+ * @param dd Data Descriptor used in a multicast message
+ */
+static void
+data_descriptor_decrement_multicast (struct MeshDataDescriptor *dd)
+{
+ if (0 == --(*(dd->copies)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: Last copy!\n");
+ if (NULL != dd->client)
+ {
+ if (GNUNET_SCHEDULER_NO_TASK != *(dd->timeout_task))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MESH: cancelling client timeout (%u)...\n",
+ *(dd->timeout_task));
+ GNUNET_SCHEDULER_cancel(*(dd->timeout_task));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: notifying client...\n");
+ GNUNET_SERVER_receive_done (dd->client, GNUNET_OK);
+ }
+ GNUNET_free (dd->timeout_task);
+ }
+ GNUNET_free (dd->copies);
+ GNUNET_free (dd->data);
+ }
+}
+
+
/**
* Cancel a core transmission that was already requested and free all resources
* associated to the request.
case GNUNET_MESSAGE_TYPE_MESH_TO_ORIGIN:
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: type payload\n");
dd = peer->infos[i];
- if (0 == --(*dd->copies))
- {
- GNUNET_free (dd->copies);
- GNUNET_free (dd->data);
- }
+ data_descriptor_decrement_multicast (dd);
break;
case GNUNET_MESSAGE_TYPE_MESH_PATH_CREATE:
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: type create path\n");
}
}
}
- GNUNET_CONTAINER_DLL_insert_tail (peer_info->path_head, peer_info->path_tail,
+ GNUNET_CONTAINER_DLL_insert_tail (peer_info->path_head,
+ peer_info->path_tail,
path);
return;
}
* @param msg Message to be sent
*
* @return Number of copies sent.
+ *
+ * TODO: unifiy shared resources and reference counter management
*/
static int
tunnel_send_multicast (struct MeshTunnel *t,
struct GNUNET_PeerIdentity neighbor;
struct MeshDataDescriptor *info;
struct MeshTunnelTreeNode *n;
+ struct MeshTunnelTreeNode *counter;
+ GNUNET_SCHEDULER_TaskIdentifier *task;
unsigned int *copies;
unsigned int i;
size_t size;
return 0;
}
copies = GNUNET_malloc (sizeof (unsigned int));
- for (*copies = 0; NULL != n; n = n->next)
+ for (counter = n; NULL != counter; counter = counter->next)
(*copies)++;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: (%u copies)\n", *copies);
- n = t->tree->me->children_head;
data = GNUNET_malloc (size);
memcpy (data, msg, size);
+ if (NULL != t->client)
+ {
+ task = GNUNET_malloc (sizeof (GNUNET_SCHEDULER_TaskIdentifier));
+ *task = GNUNET_SCHEDULER_add_delayed (UNACKNOWLEDGED_WAIT,
+ &client_allow_send,
+ t->client->handle);
+ }
+ else
+ task = NULL; // So GCC shuts up about task being potentially uninitialized
while (NULL != n)
{
info = GNUNET_malloc (sizeof (struct MeshDataDescriptor));
if (NULL != t->client)
{
info->client = t->client->handle;
- info->timeout_task = GNUNET_SCHEDULER_add_delayed (UNACKNOWLEDGED_WAIT,
- &client_allow_send,
- t->client->handle);
+ info->timeout_task = task;
}
info->destination = n->peer;
GNUNET_PEER_resolve (n->peer, &neighbor);
}
}
#endif
- if (0 == --(*info->copies))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: Last copy!\n");
- if (NULL != info->client)
- {
- if (GNUNET_SCHEDULER_NO_TASK != info->timeout_task)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "MESH: cancelling client timeout (%u)...\n",
- info->timeout_task);
- GNUNET_SCHEDULER_cancel(info->timeout_task);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: notifying client...\n");
- GNUNET_SERVER_receive_done (info->client, GNUNET_OK);
- }
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: freeing memory...\n");
- GNUNET_free (info->data);
- GNUNET_free (info->copies);
- }
+ data_descriptor_decrement_multicast (info);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: freeing info...\n");
GNUNET_free (info);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: return %u\n", total_size);
t = tunnel_get (&msg->oid, ntohl (msg->tid));
if (NULL == t)
{
- /* TODO notify back: we don't know this tunnel */
- GNUNET_break_op (0);
+ /* Probably already got the message from another path,
+ * destroyed the tunnel and retransmitted to children.
+ * Safe to ignore.
+ */
return GNUNET_OK;
}
if (t->id.oid == myid)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: client disconnected\n");
if (client == NULL)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: (SERVER DOWN)\n");
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: (SERVER DOWN)\n");
+ return;
+ }
+ GNUNET_SERVER_client_drop (client);
c = clients;
while (NULL != c)
{
GNUNET_CONTAINER_multihashmap_destroy (c->types);
next = c->next;
GNUNET_CONTAINER_DLL_remove (clients, clients_tail, c);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: CLIENT FREE at %p\n", c);
GNUNET_free (c);
c = next;
}
uint16_t i;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: new client connected\n");
+ GNUNET_SERVER_client_keep (client);
/* Check data sanity */
size = ntohs (message->size) - sizeof (struct GNUNET_MESH_ClientConnect);
cc_msg = (struct GNUNET_MESH_ClientConnect *) message;
#if MESH_DEBUG
c->id = next_client_id++;
#endif
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: CLIENT NEW %u at %p\n", c->id, c);
c->handle = client;
a = (GNUNET_MESH_ApplicationType *) &cc_msg[1];
if (napps > 0)
}
t = GNUNET_malloc (sizeof (struct MeshTunnel));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MESH: CREATED TUNNEL at %p\n", t);
while (NULL != tunnel_get_by_pi (myid, next_tid))
next_tid = (next_tid + 1) & ~GNUNET_MESH_LOCAL_TUNNEL_ID_CLI;
t->id.tid = next_tid++;
t->id.oid = myid;
t->local_tid = ntohl (t_msg->tunnel_id);
+#if MESH_DEBUG
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "MESH: CREATED TUNNEL %s [%x] (%x)\n",
+ GNUNET_i2s (&my_full_id),
+ t->id.tid,
+ t->local_tid);
+#endif
t->client = c;
t->peers = GNUNET_CONTAINER_multihashmap_create (32);
GNUNET_CRYPTO_hash (&t->local_tid, sizeof (MESH_TunnelNumber), &hash);
if (GNUNET_OK !=
- GNUNET_CONTAINER_multihashmap_put (c->tunnels, &hash, t,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
+ GNUNET_CONTAINER_multihashmap_put (
+ c->tunnels, &hash, t,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
GNUNET_CRYPTO_hash (&t->id, sizeof (struct MESH_TunnelID), &hash);
if (GNUNET_OK !=
- GNUNET_CONTAINER_multihashmap_put (tunnels, &hash, t,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
+ GNUNET_CONTAINER_multihashmap_put (
+ tunnels, &hash, t,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
projects / oweals / gnunet.git / commitdiff