2 This file is part of GNUnet.
3 (C) 2001, 2002, 2003, 2004, 2009 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 2, 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 Christian Grothoff
23 * @author NOT Nathan Evans
29 #include "gnunet_common.h"
31 #define DEBUG_DV_GOSSIP GNUNET_NO
32 #define DEBUG_DV GNUNET_YES
33 #define DEBUG_DV_API GNUNET_YES
35 typedef void (*GNUNET_DV_MessageReceivedHandler) (void *cls,
36 struct GNUNET_PeerIdentity *sender,
39 unsigned int distance,
41 size_t sender_address_len);
44 * DV Message, contains a message that was received
45 * via DV for this peer!
47 * Sender address is copied to the end of this struct,
48 * followed by the actual message received.
50 struct GNUNET_DV_MessageReceived
53 * Type: GNUNET_MESSAGE_TYPE_TRANSPORT_DV_MESSAGE
55 struct GNUNET_MessageHeader header;
58 * The sender of the message
60 struct GNUNET_PeerIdentity sender;
63 * The message that was sent
68 * The distance to the peer that we received the message from
73 * Length of the sender address, appended to end of this message
75 size_t sender_address_len;
81 * DV Message, indicates that we have learned of a new DV level peer.
83 * Sender address is copied to the end of this struct.
85 struct GNUNET_DV_ConnectMessage
88 * Type: GNUNET_MESSAGE_TYPE_TRANSPORT_DV_MESSAGE
90 struct GNUNET_MessageHeader header;
93 * The sender of the message
95 struct GNUNET_PeerIdentity *sender;
98 * The message that was sent
100 struct GNUNET_MessageHeader *msg;
103 * The distance to the peer that we received the message from
108 * Length of the sender address, appended to end of this message
110 size_t sender_address_len;
116 * Message to send a message over DV via a specific peer
118 struct GNUNET_DV_SendMessage
121 * Type: GNUNET_MESSAGE_TYPE_DV_SEND
123 struct GNUNET_MessageHeader header;
126 * Intended final recipient of this message
128 struct GNUNET_PeerIdentity target;
131 * The message(s) to be sent.
136 * The size of the msgbuf
146 * How long can we delay sending?
148 struct GNUNET_TIME_Relative timeout;
151 * Size of the address (appended to end of struct)
156 * Sender, appended to end of struct tells via whom
157 * to send this message.
163 * Message that gets sent between nodes updating dv infos
168 struct GNUNET_MessageHeader header;
171 * Cost from received from node to neighbor node, takes distance into account
173 unsigned int cost GNUNET_PACKED;
176 * Identity of neighbor we learned information about
178 struct GNUNET_PeerIdentity neighbor;
181 * PublicKey of neighbor.
183 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
186 * Neighbor ID to use when sending to this peer
188 unsigned int neighbor_id GNUNET_PACKED;
190 } p2p_dv_MESSAGE_NeighborInfo;
193 * Message that gets sent between nodes carrying information
197 struct GNUNET_MessageHeader header;
200 * Identity of peer that ultimately sent the message.
201 * Should be looked up in the set of 'neighbor_id's of
202 * the referring peer.
204 unsigned int sender GNUNET_PACKED;
207 * Identity of neighbor this message is going to. Should
208 * be looked up in the set of our own identifiers for
211 unsigned int recipient GNUNET_PACKED;
213 } p2p_dv_MESSAGE_Data;
216 struct GNUNET_DV_Handle *
217 GNUNET_DV_connect (struct GNUNET_SCHEDULER_Handle *sched,
218 const struct GNUNET_CONFIGURATION_Handle *cfg,
219 GNUNET_DV_MessageReceivedHandler receive_handler,
220 void *receive_handler_cls);