2 This file is part of GNUnet.
3 (C) 2001 - 2011 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 * @author Bartlomiej Polot
23 * @file mesh/mesh_protocol.h
26 #ifndef MESH_PROTOCOL_H_
27 #define MESH_PROTOCOL_H_
33 /* keep Emacsens' auto-indent happy */
38 #define MESH_TUNNEL_OPT_SPEED_MIN 0x1
39 #define MESH_TUNNEL_OPT_NOBUFFER 0x2
42 /******************************************************************************/
43 /******************** MESH NETWORK MESSAGES **************************/
44 /******************************************************************************/
46 GNUNET_NETWORK_STRUCT_BEGIN
49 * Message for mesh path management
51 struct GNUNET_MESH_ManipulatePath
54 * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_[CREATE|CHANGE|ADD|DESTROY]
56 * Size: sizeof(struct GNUNET_MESH_ManipulatePath) +
57 * path_length * sizeof (struct GNUNET_PeerIdentity)
59 struct GNUNET_MessageHeader header;
62 * Global id of the tunnel this path belongs to,
63 * unique in conjunction with the origin.
65 uint32_t tid GNUNET_PACKED;
68 * Tunnel options (MESH_TUNNEL_OPT_*).
70 uint32_t opt GNUNET_PACKED;
73 * 64 bit alignment padding.
75 uint32_t reserved GNUNET_PACKED;
78 * path_length structs defining the *whole* path from the origin [0] to the
79 * final destination [path_length-1].
81 /* struct GNUNET_PeerIdentity peers[path_length]; */
85 * Message for mesh data traffic to all tunnel targets.
87 struct GNUNET_MESH_Multicast
90 * Type: GNUNET_MESSAGE_TYPE_MESH_MULTICAST
92 struct GNUNET_MessageHeader header;
97 uint32_t tid GNUNET_PACKED;
100 * Number of hops to live
102 uint32_t ttl GNUNET_PACKED;
105 * Unique ID of the packet
107 uint32_t pid GNUNET_PACKED;
112 struct GNUNET_PeerIdentity oid;
121 * Message for mesh data traffic to a particular destination from origin.
123 struct GNUNET_MESH_Unicast
126 * Type: GNUNET_MESSAGE_TYPE_MESH_UNICAST
128 struct GNUNET_MessageHeader header;
133 uint32_t tid GNUNET_PACKED;
136 * Number of hops to live
138 uint32_t ttl GNUNET_PACKED;
141 * Unique ID of the packet
143 uint32_t pid GNUNET_PACKED;
148 struct GNUNET_PeerIdentity oid;
153 struct GNUNET_PeerIdentity destination;
162 * Message for mesh data traffic from a tunnel participant to origin.
164 struct GNUNET_MESH_ToOrigin
167 * Type: GNUNET_MESSAGE_TYPE_MESH_TO_ORIGIN
169 struct GNUNET_MessageHeader header;
174 uint32_t tid GNUNET_PACKED;
177 * Number of hops to live
179 uint32_t ttl GNUNET_PACKED;
182 * Unique ID of the packet
184 uint32_t pid GNUNET_PACKED;
189 struct GNUNET_PeerIdentity oid;
192 * Sender of the message.
194 struct GNUNET_PeerIdentity sender;
203 * Message to acknowledge mesh data traffic.
205 struct GNUNET_MESH_ACK
208 * Type: GNUNET_MESSAGE_TYPE_MESH_ACK
210 struct GNUNET_MessageHeader header;
215 uint32_t tid GNUNET_PACKED;
220 struct GNUNET_PeerIdentity oid;
223 * Maximum packet ID authorized.
230 * Message to query a peer about its Flow Control status regarding a tunnel.
232 struct GNUNET_MESH_Poll
235 * Type: GNUNET_MESSAGE_TYPE_MESH_POLL
237 struct GNUNET_MessageHeader header;
242 uint32_t tid GNUNET_PACKED;
247 struct GNUNET_PeerIdentity oid;
257 * Message for ack'ing a path
259 struct GNUNET_MESH_PathACK
262 * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_ACK
264 struct GNUNET_MessageHeader header;
269 uint32_t tid GNUNET_PACKED;
274 struct GNUNET_PeerIdentity oid;
279 struct GNUNET_PeerIdentity peer_id;
281 /* TODO: signature */
286 * Message for notifying a disconnection in a path
288 struct GNUNET_MESH_PathBroken
291 * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_BROKEN
293 struct GNUNET_MessageHeader header;
298 uint32_t tid GNUNET_PACKED;
303 struct GNUNET_PeerIdentity oid;
308 struct GNUNET_PeerIdentity peer1;
313 struct GNUNET_PeerIdentity peer2;
315 /* TODO: signature */
320 * Message to destroy a tunnel
322 struct GNUNET_MESH_TunnelDestroy
325 * Type: GNUNET_MESSAGE_TYPE_MESH_TUNNEL_DESTROY
327 struct GNUNET_MessageHeader header;
332 uint32_t tid GNUNET_PACKED;
337 struct GNUNET_PeerIdentity oid;
339 /* TODO: signature */
344 * Message to destroy a tunnel
346 struct GNUNET_MESH_TunnelKeepAlive
349 * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_KEEPALIVE
351 struct GNUNET_MessageHeader header;
356 uint32_t tid GNUNET_PACKED;
361 struct GNUNET_PeerIdentity oid;
366 GNUNET_NETWORK_STRUCT_END
368 #if 0 /* keep Emacsens' auto-indent happy */
375 /* ifndef MESH_PROTOCOL_H */
377 /* end of mesh_protocol.h */