-/*
- Check if the other end is active.
- If we have sent packets, but didn't receive any,
- then possibly the other end is dead. We send a
- PING request over the meta connection. If the other
- end does not reply in time, we consider them dead
- and close the connection.
-*/
-int check_dead_connections(void)
-{
- conn_list_t *p;
- time_t now;
-cp
- now = time(NULL);
- for(p = conn_list; p != NULL; p = p->next)
- {
- if(p->status.remove)
- continue;
- if(p->status.active && p->status.meta)
- {
- if(p->last_ping_time + timeout < now)
- {
- if(p->status.pinged && !p->status.got_pong)
- {
- syslog(LOG_INFO, _("%s (" IP_ADDR_S ") didn't respond to ping"),
- p->hostname, IP_ADDR_V(p->vpn_ip));
- p->status.timeout = 1;
- terminate_connection(p);
- }
- else if(p->want_ping)
- {
- send_ping(p);
- p->last_ping_time = now;
- p->status.pinged = 1;
- p->status.got_pong = 0;
- }
- }
+ read_config_options(config_tree, NULL);
+
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, myself->name);
+ read_config_file(config_tree, fname);
+ free(fname);
+
+ /* Parse some options that are allowed to be changed while tinc is running */
+
+ setup_myself_reloadable();
+
+ /* If StrictSubnet is set, expire deleted Subnets and read new ones in */
+
+ if(strictsubnets) {
+ for splay_each(subnet_t, subnet, subnet_tree)
+ subnet->expires = 1;
+
+ load_all_subnets();
+
+ for splay_each(subnet_t, subnet, subnet_tree) {
+ if(subnet->expires == 1) {
+ send_del_subnet(everyone, subnet);
+ if(subnet->owner->status.reachable)
+ subnet_update(subnet->owner, subnet, false);
+ subnet_del(subnet->owner, subnet);
+ } else if(subnet->expires == -1) {
+ subnet->expires = 0;
+ } else {
+ send_add_subnet(everyone, subnet);
+ if(subnet->owner->status.reachable)
+ subnet_update(subnet->owner, subnet, true);
+ }
+ }
+ } else { /* Only read our own subnets back in */
+ for splay_each(subnet_t, subnet, myself->subnet_tree)
+ if(!subnet->expires)
+ subnet->expires = 1;
+
+ config_t *cfg = lookup_config(config_tree, "Subnet");
+
+ while(cfg) {
+ subnet_t *subnet, *s2;
+
+ if(!get_config_subnet(cfg, &subnet))
+ continue;
+
+ if((s2 = lookup_subnet(myself, subnet))) {
+ if(s2->expires == 1)
+ s2->expires = 0;
+
+ free_subnet(subnet);
+ } else {
+ subnet_add(myself, subnet);
+ send_add_subnet(everyone, subnet);
+ subnet_update(myself, subnet, true);
+ }
+
+ cfg = lookup_config_next(config_tree, cfg);
+ }
+
+ for splay_each(subnet_t, subnet, myself->subnet_tree) {
+ if(subnet->expires == 1) {
+ send_del_subnet(everyone, subnet);
+ subnet_update(myself, subnet, false);
+ subnet_del(myself, subnet);
+ }
+ }