5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2001 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 */
34 #define SILC_PORT 768;
36 /* Server and router. Used internally by the code. */
40 /* Connection retry timeout. We implement exponential backoff algorithm
41 in connection retry. The interval of timeuot grows when retry count
43 #define SILC_SERVER_RETRY_COUNT 4 /* Max retry count */
44 #define SILC_SERVER_RETRY_MULTIPLIER 7 / 4 /* Interval growth */
45 #define SILC_SERVER_RETRY_RANDOMIZER 2 /* timeout += rnd % 2 */
46 #define SILC_SERVER_RETRY_INTERVAL_MIN 10 /* Min retry timeout */
47 #define SILC_SERVER_RETRY_INTERVAL_MAX 600 /* Max generated timeout */
52 Structure to hold various default parameters for server that can be
53 given before running the server.
57 unsigned int retry_count;
58 unsigned long retry_interval_min;
59 unsigned long retry_interval_min_usec;
60 unsigned long retry_interval_max;
61 char retry_keep_trying;
63 unsigned long protocol_timeout;
64 unsigned long protocol_timeout_usec;
66 char require_reverse_mapping;
71 /* This macro is used to send notify messages with formatted string. The
72 string is formatted with arguments and the formatted string is sent as
74 #define SILC_SERVER_SEND_NOTIFY(server, sock, type, fmt) \
76 char *__fmt__ = silc_format fmt; \
77 silc_server_send_notify(server, sock, FALSE, \
78 type, 1, __fmt__, strlen(__fmt__)); \
83 int silc_server_alloc(SilcServer *new_server);
84 void silc_server_free(SilcServer server);
85 int silc_server_init(SilcServer server);
86 void silc_server_daemonise(SilcServer server);
87 void silc_server_run(SilcServer server);
88 void silc_server_stop(SilcServer server);
89 void silc_server_packet_parse(SilcPacketParserContext *parser_context);
90 void silc_server_packet_parse_type(SilcServer server,
91 SilcSocketConnection sock,
92 SilcPacketContext *packet);
93 void silc_server_create_connection(SilcServer server,
94 char *remote_host, unsigned int port);
95 void silc_server_close_connection(SilcServer server,
96 SilcSocketConnection sock);
97 void silc_server_free_client_data(SilcServer server,
98 SilcSocketConnection sock,
99 SilcClientEntry client,
102 void silc_server_free_sock_user_data(SilcServer server,
103 SilcSocketConnection sock);
104 int silc_server_channel_has_global(SilcChannelEntry channel);
105 int silc_server_channel_has_local(SilcChannelEntry channel);
106 int silc_server_remove_clients_by_server(SilcServer server,
107 SilcServerEntry entry);
108 void silc_server_remove_from_channels(SilcServer server,
109 SilcSocketConnection sock,
110 SilcClientEntry client,
112 char *signoff_message,
114 int silc_server_remove_from_one_channel(SilcServer server,
115 SilcSocketConnection sock,
116 SilcChannelEntry channel,
117 SilcClientEntry client,
119 int silc_server_client_on_channel(SilcClientEntry client,
120 SilcChannelEntry channel);
121 void silc_server_disconnect_remote(SilcServer server,
122 SilcSocketConnection sock,
123 const char *fmt, ...);
124 SilcChannelEntry silc_server_create_new_channel(SilcServer server,
125 SilcServerID *router_id,
131 silc_server_create_new_channel_with_id(SilcServer server,
135 SilcChannelID *channel_id,
137 void silc_server_create_channel_key(SilcServer server,
138 SilcChannelEntry channel,
139 unsigned int key_len);
140 SilcChannelEntry silc_server_save_channel_key(SilcServer server,
141 SilcBuffer key_payload,
142 SilcChannelEntry channel);
143 void silc_server_perform_heartbeat(SilcSocketConnection sock,
145 void silc_server_announce_servers(SilcServer server);
146 void silc_server_announce_clients(SilcServer server);
147 void silc_server_announce_channels(SilcServer server);
148 void silc_server_get_users_on_channel(SilcServer server,
149 SilcChannelEntry channel,
150 SilcBuffer *user_list,
151 SilcBuffer *mode_list,
152 unsigned int *user_count);
153 void silc_server_save_users_on_channel(SilcServer server,
154 SilcSocketConnection sock,
155 SilcChannelEntry channel,
157 SilcBuffer user_list,
158 SilcBuffer mode_list,
159 unsigned int user_count);
160 SilcSocketConnection silc_server_get_client_route(SilcServer server,
161 unsigned char *id_data,
163 SilcClientID *client_id,
164 SilcIDListData *idata);
165 SilcBuffer silc_server_get_client_channel_list(SilcServer server,
166 SilcClientEntry client);
167 SilcClientEntry silc_server_get_client_resolve(SilcServer server,
168 SilcClientID *client_id);