2 This file is part of GNUnet.
3 (C) 2013 Christian Grothoff (and other contributing authors)
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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
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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22 * @file mesh/gnunet-service-mesh_channel.h
23 * @brief mesh service; dealing with end-to-end channels
24 * @author Bartlomiej Polot
26 * All functions in this file should use the prefix GMCH (Gnunet Mesh CHannel)
29 #ifndef GNUNET_SERVICE_MESH_CHANNEL_H
30 #define GNUNET_SERVICE_MESH_CHANNEL_H
35 #if 0 /* keep Emacsens' auto-indent happy */
41 #include "gnunet_util_lib.h"
44 * Struct containing all information regarding a channel to a remote client.
49 * Count channels in a DLL.
51 * @param head Head of the DLL.
54 GMCH_count (const struct MeshChannel *head);
57 * Send an end-to-end ACK message for the most recent in-sequence payload.
59 * If channel is not reliable, do nothing.
61 * @param ch Channel this is about.
62 * @param fwd Is for FWD traffic? (ACK dest->owner)
65 GMCH_send_ack (struct MeshChannel *ch, int fwd);
68 * Send data on a channel.
70 * If the destination is local, send it to client, otherwise encrypt and
75 * @param fwd Is this a fwd (root->dest) message?
78 GMCH_send_data (struct MeshChannel *ch,
79 const struct GNUNET_MESH_Data *msg,
83 * Notify the destination client that a new incoming channel was created.
85 * @param ch Channel that was created.
88 GMCH_send_create (struct MeshChannel *ch);
92 * Notify a client that the channel is no longer valid.
94 * @param ch Channel that is destroyed.
95 * @param fwd Forward notification (owner->dest)?
98 GMCH_send_destroy (struct MeshChannel *ch, int fwd);
107 GMCH_debug (struct MeshChannel *ch);
111 * Handler for mesh network payload traffic.
113 * @param t Tunnel on which we got this message.
114 * @param message Unencryted data message.
115 * @param fwd Is this FWD traffic? GNUNET_YES : GNUNET_NO;
118 GMCH_handle_data (struct MeshTunnel2 *t,
119 const struct GNUNET_MESH_Data *msg,
124 * Handler for mesh network traffic end-to-end ACKs.
126 * @param t Tunnel on which we got this message.
127 * @param message Data message.
128 * @param fwd Is this a fwd ACK? (dest->orig)
131 GMCH_handle_data_ack (struct MeshTunnel2 *t,
132 const struct GNUNET_MESH_DataACK *msg,
137 * Handler for channel create messages.
139 * @param t Tunnel this channel is to be created in.
140 * @param msg Message.
141 * @param fwd Is this FWD traffic? GNUNET_YES : GNUNET_NO;
144 GMCH_handle_create (struct MeshTunnel2 *t,
145 struct GNUNET_MESH_ChannelCreate *msg,
150 * Handler for channel ack messages.
152 * @param t Tunnel this channel is to be created in.
153 * @param msg Message.
154 * @param fwd Is this FWD traffic? GNUNET_YES : GNUNET_NO;
157 GMCH_handle_ack (struct MeshTunnel2 *t,
158 struct GNUNET_MESH_ChannelManage *msg,
163 * Handler for channel destroy messages.
165 * @param t Tunnel this channel is to be destroyed of.
166 * @param msg Message.
167 * @param fwd Is this FWD traffic? GNUNET_YES : GNUNET_NO;
170 GMCH_handle_destroy (struct MeshTunnel2 *t,
171 struct GNUNET_MESH_ChannelManage *msg,
177 #if 0 /* keep Emacsens' auto-indent happy */
184 /* ifndef GNUNET_SERVICE_MESH_CHANNEL_H */
186 /* end of gnunet-service-mesh_channel.h */