5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
24 /* Forward declaration for SILC Server object. The actual object is
25 defined in internal header file for server routines. I want to keep
26 the object private hence this declaration. */
27 typedef struct SilcServerStruct *SilcServer;
29 #define SILC_SERVER_MAX_CONNECTIONS 10000
31 /* General definitions */
33 /* Server and router. Used internally by the code. */
37 /* Connection retry timeout. We implement exponential backoff algorithm
38 in connection retry. The interval of timeuot grows when retry count
40 #define SILC_SERVER_RETRY_COUNT 3 /* Max retry count */
41 #define SILC_SERVER_RETRY_MULTIPLIER 7 / 4 /* Interval growth */
42 #define SILC_SERVER_RETRY_RANDOMIZER 2 /* timeout += rnd % 2 */
43 #define SILC_SERVER_RETRY_INTERVAL_MIN 2 /* Min retry timeout */
44 #define SILC_SERVER_RETRY_INTERVAL_MAX 30 /* Max generated timeout */
49 Structure to hold various default parameters for server that can be
50 given before running the server.
54 unsigned int retry_count;
55 unsigned long retry_interval_min;
56 unsigned long retry_interval_min_usec;
57 unsigned long retry_interval_max;
58 unsigned int retry_keep_trying;
60 unsigned long protocol_timeout;
61 unsigned long protocol_timeout_usec;
66 /* This macro is used to send notify messages with formatted string. The
67 string is formatted with arguments and the formatted string is sent as
69 #define SILC_SERVER_SEND_NOTIFY(server, sock, type, fmt) \
71 char *__fmt__ = silc_format fmt; \
72 silc_server_send_notify(server, sock, type, 1, __fmt__, strlen(__fmt__)); \
77 int silc_server_alloc(SilcServer *new_server);
78 void silc_server_free(SilcServer server);
79 int silc_server_init(SilcServer server);
80 void silc_server_run(SilcServer server);
81 void silc_server_stop(SilcServer server);
82 void silc_server_packet_parse(SilcPacketParserContext *parser_context);
83 void silc_server_packet_parse_type(SilcServer server,
84 SilcSocketConnection sock,
85 SilcPacketContext *packet);
86 void silc_server_packet_send(SilcServer server,
87 SilcSocketConnection sock,
89 SilcPacketFlags flags,
91 unsigned int data_len,
93 void silc_server_packet_send_dest(SilcServer server,
94 SilcSocketConnection sock,
96 SilcPacketFlags flags,
98 SilcIdType dst_id_type,
100 unsigned int data_len,
102 void silc_server_packet_forward(SilcServer server,
103 SilcSocketConnection sock,
104 unsigned char *data, unsigned int data_len,
106 void silc_server_packet_send_to_channel(SilcServer server,
107 SilcChannelEntry channel,
110 unsigned int data_len,
112 void silc_server_packet_relay_to_channel(SilcServer server,
113 SilcSocketConnection sender_sock,
114 SilcChannelEntry channel,
116 SilcIdType sender_type,
118 unsigned int data_len,
120 void silc_server_packet_send_local_channel(SilcServer server,
121 SilcChannelEntry channel,
123 SilcPacketFlags flags,
125 unsigned int data_len,
127 void silc_server_packet_relay_command_reply(SilcServer server,
128 SilcSocketConnection sock,
129 SilcPacketContext *packet);
130 void silc_server_close_connection(SilcServer server,
131 SilcSocketConnection sock);
132 void silc_server_free_sock_user_data(SilcServer server,
133 SilcSocketConnection sock);
134 void silc_server_remove_from_channels(SilcServer server,
135 SilcSocketConnection sock,
136 SilcClientEntry client);
137 int silc_server_remove_from_one_channel(SilcServer server,
138 SilcSocketConnection sock,
139 SilcChannelEntry channel,
140 SilcClientEntry client,
142 int silc_server_client_on_channel(SilcClientEntry client,
143 SilcChannelEntry channel);
144 void silc_server_disconnect_remote(SilcServer server,
145 SilcSocketConnection sock,
146 const char *fmt, ...);
147 void silc_server_private_message(SilcServer server,
148 SilcSocketConnection sock,
149 SilcPacketContext *packet);
150 void silc_server_channel_message(SilcServer server,
151 SilcSocketConnection sock,
152 SilcPacketContext *packet);
153 void silc_server_channel_key(SilcServer server,
154 SilcSocketConnection sock,
155 SilcPacketContext *packet);
156 void silc_server_send_motd(SilcServer server,
157 SilcSocketConnection sock);
158 void silc_server_send_error(SilcServer server,
159 SilcSocketConnection sock,
160 const char *fmt, ...);
161 void silc_server_send_notify(SilcServer server,
162 SilcSocketConnection sock,
164 unsigned int argc, ...);
165 void silc_server_send_notify_dest(SilcServer server,
166 SilcSocketConnection sock,
168 SilcIdType dest_id_type,
170 unsigned int argc, ...);
171 void silc_server_send_notify_to_channel(SilcServer server,
172 SilcChannelEntry channel,
174 unsigned int argc, ...);
175 void silc_server_send_notify_on_channels(SilcServer server,
176 SilcClientEntry client,
178 unsigned int argc, ...);
179 void silc_server_send_new_id(SilcServer server,
180 SilcSocketConnection sock,
182 void *id, SilcIdType id_type,
183 unsigned int id_len);
184 void silc_server_send_replace_id(SilcServer server,
185 SilcSocketConnection sock,
187 void *old_id, SilcIdType old_id_type,
188 unsigned int old_id_len,
189 void *new_id, SilcIdType new_id_type,
190 unsigned int new_id_len);
191 void silc_server_send_remove_channel_user(SilcServer server,
192 SilcSocketConnection sock,
194 void *client_id, void *channel_id);
195 void silc_server_replace_id(SilcServer server,
196 SilcSocketConnection sock,
197 SilcPacketContext *packet);
198 SilcChannelEntry silc_server_new_channel(SilcServer server,
199 SilcServerID *router_id,
200 char *cipher, char *channel_name);
201 SilcClientEntry silc_server_new_client(SilcServer server,
202 SilcSocketConnection sock,
203 SilcPacketContext *packet);
204 SilcServerEntry silc_server_new_server(SilcServer server,
205 SilcSocketConnection sock,
206 SilcPacketContext *packet);
207 void silc_server_new_id(SilcServer server, SilcSocketConnection sock,
208 SilcPacketContext *packet);
209 void silc_server_remove_channel_user(SilcServer server,
210 SilcSocketConnection sock,
211 SilcPacketContext *packet);