2 connection.c -- connection list management
3 Copyright (C) 2000-2007 Guus Sliepen <guus@tinc-vpn.org>,
4 2000-2005 Ivo Timmermans
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include "net.h" /* Don't ask. */
35 avl_tree_t *connection_tree; /* Meta connections */
36 connection_t *broadcast;
38 static int connection_compare(const connection_t *a, const connection_t *b) {
39 return (void *)a - (void *)b;
42 void init_connections(void) {
45 connection_tree = avl_alloc_tree((avl_compare_t) connection_compare, (avl_action_t) free_connection);
46 broadcast = new_connection();
47 broadcast->name = xstrdup(_("everyone"));
48 broadcast->hostname = xstrdup(_("BROADCAST"));
51 void exit_connections(void) {
54 avl_delete_tree(connection_tree);
55 free_connection(broadcast);
58 connection_t *new_connection(void) {
63 c = xmalloc_and_zero(sizeof(connection_t));
68 gettimeofday(&c->start, NULL);
69 event_set(&c->ev, -1, 0, NULL, NULL);
74 void free_connection(connection_t *c) {
96 free(c->hischallenge);
102 void connection_add(connection_t *c) {
105 avl_insert(connection_tree, c);
108 void connection_del(connection_t *c) {
111 avl_delete(connection_tree, c);
114 void dump_connections(void) {
120 logger(LOG_DEBUG, _("Connections:"));
122 for(node = connection_tree->head; node; node = node->next) {
124 logger(LOG_DEBUG, _(" %s at %s options %lx socket %d status %04x outbuf %d/%d/%d"),
125 c->name, c->hostname, c->options, c->socket, c->status.value,
126 c->outbufsize, c->outbufstart, c->outbuflen);
129 logger(LOG_DEBUG, _("End of connections."));
132 bool read_connection_config(connection_t *c) {
138 asprintf(&fname, "%s/hosts/%s", confbase, c->name);
139 x = read_config_file(c->config_tree, fname);