2 This file is part of GNUnet.
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file mesh/mesh_common.c
23 * @brief MESH helper functions
24 * @author Bartlomiej Polot
30 * @brief Translate a fwd variable into a string representation, for logging.
32 * @param fwd Is FWD? (#GNUNET_YES or #GNUNET_NO)
34 * @return String representing FWD or BCK.
39 if (GNUNET_YES == fwd)
43 else if (GNUNET_NO == fwd)
49 /* Not an error, can happen with CONNECTION_BROKEN messages. */
55 GM_is_pid_bigger (uint32_t bigger, uint32_t smaller)
57 return (GNUNET_YES == PID_OVERFLOW (smaller, bigger) ||
58 (bigger > smaller && GNUNET_NO == PID_OVERFLOW (bigger, smaller)));
63 GM_max_pid (uint32_t a, uint32_t b)
65 if (GM_is_pid_bigger(a, b))
72 GM_min_pid (uint32_t a, uint32_t b)
74 if (GM_is_pid_bigger(a, b))
80 const struct GNUNET_HashCode *
81 GM_h2hc (const struct GNUNET_MESH_Hash *id)
83 static struct GNUNET_HashCode hc;
84 memcpy (&hc, id, sizeof (*id));
91 GM_h2s (const struct GNUNET_MESH_Hash *id)
95 memcpy (s, GNUNET_h2s_full (GM_h2hc (id)), 52);
102 #if !defined(GNUNET_CULL_LOGGING)
112 * Request the creation of a path
114 case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_CREATE:
115 t = "CONNECTION_CREATE";
119 * Request the modification of an existing path
121 case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_ACK:
122 t = "CONNECTION_ACK";
126 * Notify that a connection of a path is no longer valid
128 case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_BROKEN:
129 t = "CONNECTION_BROKEN";
133 * At some point, the route will spontaneously change
135 case GNUNET_MESSAGE_TYPE_MESH_PATH_CHANGED:
140 * Transport payload data.
142 case GNUNET_MESSAGE_TYPE_MESH_DATA:
147 * Confirm receipt of payload data.
149 case GNUNET_MESSAGE_TYPE_MESH_DATA_ACK:
154 * Key exchange encapsulation.
156 case GNUNET_MESSAGE_TYPE_MESH_KX:
163 case GNUNET_MESSAGE_TYPE_MESH_KX_EPHEMERAL:
168 * Challenge to test peer's session key.
170 case GNUNET_MESSAGE_TYPE_MESH_KX_PING:
175 * Answer to session key challenge.
177 case GNUNET_MESSAGE_TYPE_MESH_KX_PONG:
182 * Request the destuction of a path
184 case GNUNET_MESSAGE_TYPE_MESH_CONNECTION_DESTROY:
185 t = "CONNECTION_DESTROY";
189 * ACK for a data packet.
191 case GNUNET_MESSAGE_TYPE_MESH_ACK:
198 case GNUNET_MESSAGE_TYPE_MESH_POLL:
203 * Announce origin is still alive.
205 case GNUNET_MESSAGE_TYPE_MESH_KEEPALIVE:
210 * Connect to the mesh service, specifying subscriptions
212 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT:
217 * Ask the mesh service to create a new tunnel
219 case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE:
220 t = "CHANNEL_CREATE";
224 * Ask the mesh service to destroy a tunnel
226 case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY:
227 t = "CHANNEL_DESTROY";
231 * Confirm the creation of a channel.
233 case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_ACK:
238 * Confirm the creation of a channel.
240 case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_NACK:
247 case GNUNET_MESSAGE_TYPE_MESH_ENCRYPTED:
252 * Local payload traffic
254 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA:
259 * Local ACK for data.
261 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_ACK:
266 * Local monitoring of channels.
268 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNELS:
269 t = "LOCAL_INFO_CHANNELS";
273 * Local monitoring of a channel.
275 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNEL:
276 t = "LOCAL_INFO_CHANNEL";
280 * Local monitoring of service.
282 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS:
283 t = "LOCAL_INFO_TUNNELS";
287 * Local monitoring of service.
289 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNEL:
290 t = "LOCAL_INFO_TUNNEL";
294 * Local information about all connections of service.
296 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CONNECTIONS:
297 t = "LOCAL_INFO_CONNECTIONS";
301 * Local information of service about a specific connection.
303 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CONNECTION:
304 t = "LOCAL_INFO_CONNECTION";
308 * Local information about all peers known to the service.
310 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_PEERS:
311 t = "LOCAL_INFO_PEERS";
315 * Local information of service about a specific peer.
317 case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_PEER:
318 t = "LOCAL_INFO_PEER";
322 * Traffic (net-cat style) used by the Command Line Interface.
324 case GNUNET_MESSAGE_TYPE_MESH_CLI:
329 * 640kb should be enough for everybody
336 sprintf(buf, "%u (UNKNOWN TYPE)", m);
339 sprintf(buf, "{%22s}", t);