#include "mesh_protocol_enc.h" // GNUNET_MESH_Data is shared
#include "gnunet-service-mesh_local.h"
-#include "gnunet-service-mesh_tunnel.h"
#define LOG(level, ...) GNUNET_log_from(level,"mesh-loc",__VA_ARGS__)
{
struct MeshClient *c;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "client connected: %p\n", client);
if (NULL == client)
return;
c = GNUNET_new (struct MeshClient);
}
+/**
+ * Iterator for deleting each channel whose client endpoint disconnected.
+ *
+ * @param cls Closure (client that has disconnected).
+ * @param key The local channel id (used to access the hashmap).
+ * @param value The value stored at the key (channel to destroy).
+ *
+ * @return GNUNET_OK, keep iterating.
+ */
+static int
+channel_destroy_iterator (void *cls,
+ uint32_t key,
+ void *value)
+{
+ struct MeshChannel *ch = value;
+ struct MeshClient *c = cls;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ " Channel %s destroy, due to client %s shutdown.\n",
+ GMCH_2s (ch), GML_2s (c));
+
+ GMCH_handle_local_destroy (ch, c);
+ return GNUNET_OK;
+}
+
/**
* Handler for client disconnection
*
return;
}
- c = client_get (client);
+ c = GML_client_get (client);
if (NULL != c)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "matching client found (%u, %p)\n",
handle_channel_create (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- struct GNUNET_MESH_ChannelMessage *msg;
- struct MeshPeer *peer;
- struct MeshTunnel2 *t;
- struct MeshChannel *ch;
struct MeshClient *c;
- MESH_ChannelNumber chid;
LOG (GNUNET_ERROR_TYPE_DEBUG, "new channel requested\n");
/* Sanity check for client registration */
- if (NULL == (c = client_get (client)))
+ if (NULL == (c = GML_client_get (client)))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
- msg = (struct GNUNET_MESH_ChannelMessage *) message;
- LOG (GNUNET_ERROR_TYPE_DEBUG, " towards %s:%u\n",
- GNUNET_i2s (&msg->peer), ntohl (msg->port));
- chid = ntohl (msg->channel_id);
-
- /* Sanity check for duplicate channel IDs */
- if (NULL != channel_get_by_local_id (c, chid))
+ if (GNUNET_OK !=
+ GMCH_handle_local_create (c,
+ (struct GNUNET_MESH_ChannelMessage *) message))
{
- GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
- peer = peer_get (&msg->peer);
- if (NULL == peer->tunnel)
- {
- peer->tunnel = tunnel_new ();
- peer->tunnel->peer = peer;
- if (peer->id == myid)
- {
- tunnel_change_state (peer->tunnel, MESH_TUNNEL_READY);
- }
- else
- {
- peer_connect (peer);
- }
- }
- t = peer->tunnel;
-
- /* Create channel */
- ch = channel_new (t, c, chid);
- if (NULL == ch)
- {
- GNUNET_break (0);
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- ch->port = ntohl (msg->port);
- channel_set_options (ch, ntohl (msg->opt));
-
- /* In unreliable channels, we'll use the DLL to buffer BCK data */
- ch->root_rel = GNUNET_new (struct MeshChannelReliability);
- ch->root_rel->ch = ch;
- ch->root_rel->expected_delay = MESH_RETRANSMIT_TIME;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "CREATED CHANNEL %s[%x]:%u (%x)\n",
- peer2s (t->peer), ch->gid, ch->port, ch->lid_root);
-
- /* Send create channel */
- {
- struct GNUNET_MESH_ChannelCreate msgcc;
-
- msgcc.header.size = htons (sizeof (msgcc));
- msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE);
- msgcc.chid = htonl (ch->gid);
- msgcc.port = msg->port;
- msgcc.opt = msg->opt;
-
- GMT_queue_data (t, ch, &msgcc.header, GNUNET_YES);
- }
-
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
struct GNUNET_MESH_ChannelMessage *msg;
struct MeshClient *c;
struct MeshChannel *ch;
- struct MeshTunnel2 *t;
MESH_ChannelNumber chid;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Got a DESTROY CHANNEL from client!\n");
/* Sanity check for client registration */
- if (NULL == (c = client_get (client)))
+ if (NULL == (c = GML_client_get (client)))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
/* Retrieve tunnel */
chid = ntohl (msg->channel_id);
- ch = channel_get_by_local_id (c, chid);
+ ch = GML_channel_get (c, chid);
if (NULL == ch)
{
LOG (GNUNET_ERROR_TYPE_ERROR, " channel %X not found\n", chid);
return;
}
- /* Cleanup after the tunnel */
- client_delete_channel (c, ch);
- if (c == ch->dest && GNUNET_MESH_LOCAL_CHANNEL_ID_SERV <= chid)
- {
- ch->dest = NULL;
- }
- else if (c == ch->root && GNUNET_MESH_LOCAL_CHANNEL_ID_SERV > chid)
- {
- ch->root = NULL;
- }
- else
- {
- LOG (GNUNET_ERROR_TYPE_ERROR,
- " channel %X client %p (%p, %p)\n",
- chid, c, ch->root, ch->dest);
- GNUNET_break (0);
- }
-
- t = ch->t;
- channel_destroy (ch);
- tunnel_destroy_if_empty (t);
+ GMCH_handle_local_destroy (ch, c);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
struct GNUNET_MESH_LocalData *msg;
struct MeshClient *c;
struct MeshChannel *ch;
- struct MeshChannelReliability *rel;
MESH_ChannelNumber chid;
size_t size;
int fwd;
return;
}
- rel = fwd ? ch->root_rel : ch->dest_rel;
- rel->client_ready = GNUNET_NO;
-
- /* Ok, everything is correct, send the message. */
+ if (GNUNET_OK !=
+ GMCH_handle_local_data (ch, c,
+ (struct GNUNET_MessageHeader *)&msg[1], fwd))
{
- struct GNUNET_MESH_Data *payload;
- uint16_t p2p_size = sizeof(struct GNUNET_MESH_Data) + size;
- unsigned char cbuf[p2p_size];
-
- payload = (struct GNUNET_MESH_Data *) cbuf;
- payload->mid = htonl (rel->mid_send);
- rel->mid_send++;
- memcpy (&payload[1], &msg[1], size);
- payload->header.size = htons (p2p_size);
- payload->header.type = htons (GNUNET_MESSAGE_TYPE_MESH_DATA);
- payload->chid = htonl (ch->gid);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " sending on channel...\n");
- send_prebuilt_message_channel (&payload->header, ch, fwd);
-
- if (GNUNET_YES == ch->reliable)
- channel_save_copy (ch, &payload->header, fwd);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
}
- if (tunnel_get_buffer (ch->t, fwd) > 0)
- send_local_ack (ch, fwd);
+
LOG (GNUNET_ERROR_TYPE_DEBUG, "receive done OK\n");
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- /* If client is root, the ACK is going FWD, therefore this is "BCK". */
- /* If client is dest, the ACK is going BCK, therefore this is "FWD" */
+ /* If client is root, the ACK is going FWD, therefore this is "BCK ACK". */
+ /* If client is dest, the ACK is going BCK, therefore this is "FWD ACK" */
fwd = chid >= GNUNET_MESH_LOCAL_CHANNEL_ID_SERV;
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
GMCH_handle_local_ack (ch, fwd);
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
void
GML_init (struct GNUNET_SERVER_Handle *handle)
{
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "init\n");
server_handle = handle;
GNUNET_SERVER_suspend (server_handle);
ports = GNUNET_CONTAINER_multihashmap32_create (32);
/**
- * Deletes a tunnel from a client (either owner or destination).
+ * Deletes a channel from a client (either owner or destination).
*
* @param c Client whose tunnel to delete.
* @param ch Channel which should be deleted.