*/
struct MeshPeerQueue *q;
+ /**
+ * Was this a forced message? (Do not account for it)
+ */
+ int forced;
+
/**
* Continuation to call once sent.
*/
msg.ack = htonl (ack);
msg.cid = c->id;
- prev_fc->ack_msg = GMC_send_prebuilt_message (&msg.header, c, !fwd,
+ prev_fc->ack_msg = GMC_send_prebuilt_message (&msg.header, c,
+ !fwd, GNUNET_YES,
&ack_sent, prev_fc);
}
struct MeshFlowControl *fc;
struct MeshConnectionQueue *q = cls;
double usecsperbyte;
+ int forced;
fc = fwd ? &c->fwd_fc : &c->bck_fc;
LOG (GNUNET_ERROR_TYPE_DEBUG,
LOG (GNUNET_ERROR_TYPE_DEBUG, "! C_P- %p %u\n", c, c->pending_messages);
if (NULL != q)
{
+ forced = q->forced;
if (NULL != q->cont)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "! calling cont\n");
}
GNUNET_free (q);
}
+ else if (type == GNUNET_MESSAGE_TYPE_MESH_ENCRYPTED)
+ {
+ /* If NULL == q and ENCRYPTED == type, message must have been ch_mngmnt */
+ forced = GNUNET_YES;
+ }
+ else
+ {
+ forced = GNUNET_NO;
+ }
c->pending_messages--;
if (GNUNET_YES == c->destroy && 0 == c->pending_messages)
{
case GNUNET_MESSAGE_TYPE_MESH_ENCRYPTED:
fc->last_pid_sent++;
LOG (GNUNET_ERROR_TYPE_DEBUG, "! Q_N- %p %u\n", fc, fc->queue_n);
- fc->queue_n--;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "! accounting pid %u\n",
- fc->last_pid_sent);
+ if (GNUNET_NO == forced)
+ {
+ fc->queue_n--;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "! accounting pid %u\n",
+ fc->last_pid_sent);
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "! forced, Q_N not accounting pid %u\n",
+ fc->last_pid_sent);
+ }
GMC_send_ack (c, fwd, GNUNET_NO);
break;
msg.cid = c->id;
msg.peer1 = *id1;
msg.peer2 = *id2;
- GMC_send_prebuilt_message (&msg.header, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (&msg.header, c, fwd, GNUNET_YES, NULL, NULL);
}
-
/**
* Send keepalive packets for a connection.
*
* @param c Connection to keep alive..
* @param fwd Is this a FWD keepalive? (owner -> dest).
- *
- * FIXME register in GMC_send_prebuilt_message()
*/
static void
connection_keepalive (struct MeshConnection *c, int fwd)
msg->header.size = htons (size);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_MESH_KEEPALIVE);
msg->cid = c->id;
+ msg->reserved = htonl (0);
- GMC_send_prebuilt_message (&msg->header, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (&msg->header, c, fwd, GNUNET_YES, NULL, NULL);
}
msg.header.size = htons (sizeof (msg));
msg.pid = htonl (fc->last_pid_sent);
LOG (GNUNET_ERROR_TYPE_DEBUG, " *** last pid sent: %u!\n", fc->last_pid_sent);
- fc->poll_msg = GMC_send_prebuilt_message (&msg.header, c, fc == &c->fwd_fc,
+ fc->poll_msg = GMC_send_prebuilt_message (&msg.header, c,
+ fc == &c->fwd_fc, GNUNET_YES,
&poll_sent, fc);
}
if (GNUNET_NO == GMP_is_neighbor (next_peer)
|| GNUNET_NO == GMP_is_neighbor (prev_peer))
+ {
+ if (GMC_is_origin (c, GNUNET_YES))
+ GNUNET_break (0);
+ else
+ GNUNET_break_op (0);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " register neighbors failed\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " prev: %s, %d\n",
+ GMP_2s (prev_peer), GMP_is_neighbor (prev_peer));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " next: %s, %d\n",
+ GMP_2s (next_peer), GMP_is_neighbor (next_peer));
return GNUNET_SYSERR;
+ }
GMP_add_connection (next_peer, c);
GMP_add_connection (prev_peer, c);
connection_change_state (c, MESH_CONNECTION_ACK);
/* Keep tunnel alive in direction dest->owner*/
- c->bck_maintenance_task =
- GNUNET_SCHEDULER_add_delayed (create_connection_time,
- &connection_bck_keepalive, c);
+ if (GNUNET_SCHEDULER_NO_TASK == c->bck_maintenance_task)
+ {
+ c->bck_maintenance_task =
+ GNUNET_SCHEDULER_add_delayed (create_connection_time,
+ &connection_bck_keepalive, c);
+ }
}
else
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " Retransmitting.\n");
GMP_add_path (dest_peer, path_duplicate (path), GNUNET_NO);
GMP_add_path_to_origin (orig_peer, path_duplicate (path), GNUNET_NO);
- GMC_send_prebuilt_message (message, c, GNUNET_YES, NULL, NULL);
+ GMC_send_prebuilt_message (message, c, GNUNET_YES, GNUNET_YES, NULL, NULL);
}
path_destroy (path);
return GNUNET_OK;
}
LOG (GNUNET_ERROR_TYPE_DEBUG, " not for us, retransmitting...\n");
- GMC_send_prebuilt_message (message, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (message, c, fwd, GNUNET_YES, NULL, NULL);
return GNUNET_OK;
}
}
fwd = is_fwd (c, id);
- connection_cancel_queues (c, !fwd);
if (GMC_is_terminal (c, fwd))
{
if (0 < c->pending_messages)
}
else
{
- GMC_send_prebuilt_message (message, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (message, c, fwd, GNUNET_YES, NULL, NULL);
c->destroy = GNUNET_YES;
+ connection_cancel_queues (c, !fwd);
}
return GNUNET_OK;
GNUNET_break_op (0);
return GNUNET_OK;
}
- GMC_send_prebuilt_message (message, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (message, c, fwd, GNUNET_YES, NULL, NULL);
c->destroy = GNUNET_YES;
c->state = MESH_CONNECTION_DESTROYED;
}
GNUNET_STATISTICS_update (stats, "# messages forwarded", 1, GNUNET_NO);
- GMC_send_prebuilt_message (&msg->header, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (&msg->header, c, fwd, GNUNET_NO, NULL, NULL);
return GNUNET_OK;
}
/* Message not for us: forward to next hop */
LOG (GNUNET_ERROR_TYPE_DEBUG, " not for us, retransmitting...\n");
GNUNET_STATISTICS_update (stats, "# messages forwarded", 1, GNUNET_NO);
- GMC_send_prebuilt_message (&msg->header, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (&msg->header, c, fwd, GNUNET_NO, NULL, NULL);
return GNUNET_OK;
}
return GNUNET_OK;
GNUNET_STATISTICS_update (stats, "# keepalives forwarded", 1, GNUNET_NO);
- GMC_send_prebuilt_message (message, c, fwd, NULL, NULL);
+ GMC_send_prebuilt_message (message, c, fwd, GNUNET_YES, NULL, NULL);
return GNUNET_OK;
}
c->fwd_fc.poll_task, c->bck_fc.poll_task);
/* Cancel maintainance task (keepalive/timeout) */
- if (GNUNET_SCHEDULER_NO_TASK != c->fwd_maintenance_task)
- GNUNET_SCHEDULER_cancel (c->fwd_maintenance_task);
- if (GNUNET_SCHEDULER_NO_TASK != c->bck_maintenance_task)
- GNUNET_SCHEDULER_cancel (c->bck_maintenance_task);
- if (GNUNET_SCHEDULER_NO_TASK != c->fwd_fc.poll_task)
- {
- GNUNET_SCHEDULER_cancel (c->fwd_fc.poll_task);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " *** POLL FWD canceled\n");
- }
- if (GNUNET_SCHEDULER_NO_TASK != c->bck_fc.poll_task)
- {
- GNUNET_SCHEDULER_cancel (c->bck_fc.poll_task);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " *** POLL BCK canceled\n");
- }
if (NULL != c->fwd_fc.poll_msg)
{
GMC_cancel (c->fwd_fc.poll_msg);
if (GNUNET_NO == GMC_is_origin (c, GNUNET_YES))
path_destroy (c->path);
+ if (GNUNET_SCHEDULER_NO_TASK != c->fwd_maintenance_task)
+ GNUNET_SCHEDULER_cancel (c->fwd_maintenance_task);
+ if (GNUNET_SCHEDULER_NO_TASK != c->bck_maintenance_task)
+ GNUNET_SCHEDULER_cancel (c->bck_maintenance_task);
+ if (GNUNET_SCHEDULER_NO_TASK != c->fwd_fc.poll_task)
+ {
+ GNUNET_SCHEDULER_cancel (c->fwd_fc.poll_task);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " *** POLL FWD canceled\n");
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != c->bck_fc.poll_task)
+ {
+ GNUNET_SCHEDULER_cancel (c->bck_fc.poll_task);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " *** POLL BCK canceled\n");
+ }
GNUNET_break (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (connections, &c->id, c));
* If message is not hop-by-hop, decrements TTL of copy.
* @param c Connection on which this message is transmitted.
* @param fwd Is this a fwd message?
+ * @param force Force the connection to accept the message (buffer overfill).
* @param cont Continuation called once message is sent. Can be NULL.
* @param cont_cls Closure for @c cont.
*
*/
struct MeshConnectionQueue *
GMC_send_prebuilt_message (const struct GNUNET_MessageHeader *message,
- struct MeshConnection *c, int fwd,
+ struct MeshConnection *c, int fwd, int force,
GMC_sent cont, void *cont_cls)
{
struct MeshFlowControl *fc;
GM_m2s (type), size, GMC_2s (c));
fc = fwd ? &c->fwd_fc : &c->bck_fc;
- droppable = GNUNET_YES;
+ droppable = GNUNET_NO == force;
switch (type)
{
struct GNUNET_MESH_Encrypted *emsg;
emsg->ttl = htonl (ttl - 1);
emsg->pid = htonl (fc->next_pid++);
LOG (GNUNET_ERROR_TYPE_DEBUG, " Q_N+ %p %u\n", fc, fc->queue_n);
- fc->queue_n++;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "pid %u\n", ntohl (emsg->pid));
- LOG (GNUNET_ERROR_TYPE_DEBUG, "last pid sent %u\n", fc->last_pid_sent);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " ack recv %u\n", fc->last_ack_recv);
+ if (GNUNET_YES == droppable)
+ {
+ fc->queue_n++;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "pid %u\n", ntohl (emsg->pid));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "last pid sent %u\n", fc->last_pid_sent);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " ack recv %u\n", fc->last_ack_recv);
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " not droppable, Q_N stays the same\n");
+ }
if (GM_is_pid_bigger (fc->last_pid_sent + 1, fc->last_ack_recv))
{
GMC_start_poll (c, fwd);
case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_CREATE:
case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_ACK:
+ case GNUNET_MESSAGE_TYPE_MESH_KEEPALIVE:
break;
default:
LOG (GNUNET_ERROR_TYPE_DEBUG, " C_P+ %p %u\n", c, c->pending_messages);
c->pending_messages++;
- if (NULL == cont)
- {
- (void) GMP_queue_add (get_hop (c, fwd), data, type, size, c, fwd,
- &message_sent, NULL);
- return NULL;
- }
-
q = GNUNET_new (struct MeshConnectionQueue);
+ q->forced = !droppable;
q->q = GMP_queue_add (get_hop (c, fwd), data, type, size, c, fwd,
&message_sent, q);
if (NULL == q->q)
size = sizeof (struct GNUNET_MESH_ConnectionCreate);
size += connection->path->length * sizeof (struct GNUNET_PeerIdentity);
+
LOG (GNUNET_ERROR_TYPE_DEBUG, "Send connection create\n");
- GMP_queue_add (get_next_hop (connection), NULL,
- GNUNET_MESSAGE_TYPE_MESH_CONNECTION_CREATE,
- size, connection, GNUNET_YES, &message_sent, NULL);
LOG (GNUNET_ERROR_TYPE_DEBUG, " C_P+ %p %u (create)\n",
connection, connection->pending_messages);
connection->pending_messages++;
+
+ GMP_queue_add (get_next_hop (connection), NULL,
+ GNUNET_MESSAGE_TYPE_MESH_CONNECTION_CREATE,
+ size, connection, GNUNET_YES, &message_sent, NULL);
+
state = GMT_get_cstate (connection->t);
if (MESH_TUNNEL3_SEARCHING == state || MESH_TUNNEL3_NEW == state)
GMT_change_cstate (connection->t, MESH_TUNNEL3_WAITING);
GMC_2s (c));
if (GNUNET_NO == GMC_is_terminal (c, GNUNET_YES))
- GMC_send_prebuilt_message (&msg.header, c, GNUNET_YES, NULL, NULL);
+ GMC_send_prebuilt_message (&msg.header, c,
+ GNUNET_YES, GNUNET_YES, NULL, NULL);
if (GNUNET_NO == GMC_is_terminal (c, GNUNET_NO))
- GMC_send_prebuilt_message (&msg.header, c, GNUNET_NO, NULL, NULL);
+ GMC_send_prebuilt_message (&msg.header, c,
+ GNUNET_NO, GNUNET_YES, NULL, NULL);
c->destroy = GNUNET_YES;
c->state = MESH_CONNECTION_DESTROYED;
}
projects / oweals / gnunet.git / blobdiff