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 cadet/cadet_common.c
23 * @brief CADET 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 GC_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 GC_max_pid (uint32_t a, uint32_t b)
65 if (GC_is_pid_bigger(a, b))
72 GC_min_pid (uint32_t a, uint32_t b)
74 if (GC_is_pid_bigger(a, b))
80 const struct GNUNET_HashCode *
81 GC_h2hc (const struct GNUNET_CADET_Hash *id)
83 static struct GNUNET_HashCode hc;
84 memcpy (&hc, id, sizeof (*id));
91 GC_h2s (const struct GNUNET_CADET_Hash *id)
95 memcpy (s, GNUNET_h2s_full (GC_h2hc (id)), 52);
102 #if !defined(GNUNET_CULL_LOGGING)
106 static char buf[2][32];
114 * Used to mark the "payload" of a non-payload message.
120 * Request the creation of a path
122 case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_CREATE:
123 t = "CONNECTION_CREATE";
127 * Request the modification of an existing path
129 case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_ACK:
130 t = "CONNECTION_ACK";
134 * Notify that a connection of a path is no longer valid
136 case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_BROKEN:
137 t = "CONNECTION_BROKEN";
141 * At some point, the route will spontaneously change
143 case GNUNET_MESSAGE_TYPE_CADET_PATH_CHANGED:
148 * Transport payload data.
150 case GNUNET_MESSAGE_TYPE_CADET_DATA:
155 * Confirm receipt of payload data.
157 case GNUNET_MESSAGE_TYPE_CADET_DATA_ACK:
162 * Key exchange encapsulation.
164 case GNUNET_MESSAGE_TYPE_CADET_KX:
171 case GNUNET_MESSAGE_TYPE_CADET_KX_EPHEMERAL:
176 * Challenge to test peer's session key.
178 case GNUNET_MESSAGE_TYPE_CADET_KX_PING:
183 * Answer to session key challenge.
185 case GNUNET_MESSAGE_TYPE_CADET_KX_PONG:
190 * Request the destuction of a path
192 case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_DESTROY:
193 t = "CONNECTION_DESTROY";
197 * ACK for a data packet.
199 case GNUNET_MESSAGE_TYPE_CADET_ACK:
206 case GNUNET_MESSAGE_TYPE_CADET_POLL:
211 * Announce origin is still alive.
213 case GNUNET_MESSAGE_TYPE_CADET_KEEPALIVE:
218 * Connect to the cadet service, specifying subscriptions
220 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_CONNECT:
225 * Ask the cadet service to create a new tunnel
227 case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
228 t = "CHANNEL_CREATE";
232 * Ask the cadet service to destroy a tunnel
234 case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
235 t = "CHANNEL_DESTROY";
239 * Confirm the creation of a channel.
241 case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_ACK:
246 * Confirm the creation of a channel.
248 case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_NACK:
255 case GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED:
260 * Local payload traffic
262 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_DATA:
267 * Local ACK for data.
269 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_ACK:
274 * Local monitoring of channels.
276 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_CHANNELS:
277 t = "LOCAL_INFO_CHANNELS";
281 * Local monitoring of a channel.
283 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_CHANNEL:
284 t = "LOCAL_INFO_CHANNEL";
288 * Local monitoring of service.
290 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_TUNNELS:
291 t = "LOCAL_INFO_TUNNELS";
295 * Local monitoring of service.
297 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_TUNNEL:
298 t = "LOCAL_INFO_TUNNEL";
302 * Local information about all connections of service.
304 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_CONNECTIONS:
305 t = "LOCAL_INFO_CONNECTIONS";
309 * Local information of service about a specific connection.
311 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_CONNECTION:
312 t = "LOCAL_INFO_CONNECTION";
316 * Local information about all peers known to the service.
318 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PEERS:
319 t = "LOCAL_INFO_PEERS";
323 * Local information of service about a specific peer.
325 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PEER:
326 t = "LOCAL_INFO_PEER";
330 * Traffic (net-cat style) used by the Command Line Interface.
332 case GNUNET_MESSAGE_TYPE_CADET_CLI:
339 case GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_DUMP:
344 SPRINTF(buf[idx], "%u (UNKNOWN TYPE)", m);
347 SPRINTF(buf[idx], "{%18s}", t);