/* called on reload, so drop all redirection and trigger source checkup and * rebuild all stat mountpoints */ void slave_restart (void) { restart_connection_thread = 1; slave_update_all_mounts (); update_all_sources = 1; streamlist_check = 0; }
void *source_client_thread (void *arg) { source_t *source = arg; stats_event_inc(NULL, "source_client_connections"); stats_event (source->mount, "listeners", "0"); source_main (source); source_free_source (source); slave_update_all_mounts(); return NULL; }
void event_config_read(void *arg) { int ret; ice_config_t *config; ice_config_t new_config; /* reread config file */ config = config_grab_config(); /* Both to get the lock, and to be able to find out the config filename */ xmlSetGenericErrorFunc ("config", log_parse_failure); ret = config_parse_file(config->config_filename, &new_config); if(ret < 0) { ICECAST_LOG_ERROR("Error parsing config, not replacing existing config"); switch(ret) { case CONFIG_EINSANE: ICECAST_LOG_ERROR("Config filename null or blank"); break; case CONFIG_ENOROOT: ICECAST_LOG_ERROR("Root element not found in %s", config->config_filename); break; case CONFIG_EBADROOT: ICECAST_LOG_ERROR("Not an icecast2 config file: %s", config->config_filename); break; default: ICECAST_LOG_ERROR("Parse error in reading %s", config->config_filename); break; } config_release_config(); } else { config_clear(config); config_set_config(&new_config); config = config_get_config_unlocked(); restart_logging (config); yp_recheck_config (config); fserve_recheck_mime_types (config); stats_global (config); config_release_config(); slave_update_all_mounts(); } }
int relay_toggle (relay_server *relay) { source_t *source = relay->source; client_t *client; int ret = 0; thread_rwlock_wlock (&source->lock); client = source->client; thread_rwlock_unlock (&source->lock); if (relay->running == 0) { client->ops = &relay_init_ops; ret = 1; } relay->running = relay->running ? 0 : 1; client->schedule_ms = 0; worker_wakeup (client->worker); slave_update_all_mounts(); return ret; }
/* wrapper for starting the provided relay stream */ static void check_relay_stream (relay_server *relay) { if (relay->source == NULL) { if (relay->localmount[0] != '/') { ICECAST_LOG_WARN("relay mountpoint \"%s\" does not start with /, skipping", relay->localmount); return; } /* new relay, reserve the name */ relay->source = source_reserve (relay->localmount); if (relay->source) { ICECAST_LOG_DEBUG("Adding relay source at mountpoint \"%s\"", relay->localmount); if (relay->on_demand) { ice_config_t *config = config_get_config (); mount_proxy *mountinfo = config_find_mount (config, relay->localmount, MOUNT_TYPE_NORMAL); relay->source->on_demand = relay->on_demand; if (mountinfo == NULL) source_update_settings (config, relay->source, mountinfo); config_release_config (); stats_event (relay->localmount, "listeners", "0"); slave_update_all_mounts(); } } else { if (relay->start == 0) { ICECAST_LOG_WARN("new relay but source \"%s\" already exists", relay->localmount); relay->start = 1; } return; } } do { source_t *source = relay->source; /* skip relay if active, not configured or just not time yet */ if (relay->source == NULL || relay->running || relay->start > time(NULL)) break; /* check if an inactive on-demand relay has a fallback that has listeners */ if (relay->on_demand && source->on_demand_req == 0) { relay->source->on_demand = relay->on_demand; if (source->fallback_mount && source->fallback_override) { source_t *fallback; avl_tree_rlock (global.source_tree); fallback = source_find_mount (source->fallback_mount); if (fallback && fallback->running && fallback->listeners) { ICECAST_LOG_DEBUG("fallback running %d with %lu listeners", fallback->running, fallback->listeners); source->on_demand_req = 1; } avl_tree_unlock (global.source_tree); } if (source->on_demand_req == 0) break; } relay->start = time(NULL) + 5; relay->running = 1; relay->thread = thread_create ("Relay Thread", start_relay_stream, relay, THREAD_ATTACHED); return; } while (0); /* the relay thread may of shut down itself */ if (relay->cleanup) { if (relay->thread) { ICECAST_LOG_DEBUG("waiting for relay thread for \"%s\"", relay->localmount); thread_join (relay->thread); relay->thread = NULL; } relay->cleanup = 0; relay->running = 0; if (relay->on_demand && relay->source) { ice_config_t *config = config_get_config (); mount_proxy *mountinfo = config_find_mount (config, relay->localmount, MOUNT_TYPE_NORMAL); source_update_settings (config, relay->source, mountinfo); config_release_config (); stats_event (relay->localmount, "listeners", "0"); } } }
/* This does the actual connection for a relay. A thread is * started off if a connection can be acquired */ static void *start_relay_stream (void *arg) { relay_server *relay = arg; source_t *src = relay->source; client_t *client; ICECAST_LOG_INFO("Starting relayed source at mountpoint \"%s\"", relay->localmount); do { client = open_relay_connection (relay); if (client == NULL) continue; src->client = client; src->parser = client->parser; src->con = client->con; if (connection_complete_source (src, 0) < 0) { ICECAST_LOG_INFO("Failed to complete source initialisation"); client_destroy (client); src->client = NULL; continue; } stats_event_inc(NULL, "source_relay_connections"); stats_event (relay->localmount, "source_ip", client->con->ip); source_main (relay->source); if (relay->on_demand == 0) { /* only keep refreshing YP entries for inactive on-demand relays */ yp_remove (relay->localmount); relay->source->yp_public = -1; relay->start = time(NULL) + 10; /* prevent busy looping if failing */ slave_update_all_mounts(); } /* we've finished, now get cleaned up */ relay->cleanup = 1; slave_rebuild_mounts(); return NULL; } while (0); /* TODO allow looping through multiple servers */ if (relay->source->fallback_mount) { source_t *fallback_source; ICECAST_LOG_DEBUG("failed relay, fallback to %s", relay->source->fallback_mount); avl_tree_rlock(global.source_tree); fallback_source = source_find_mount(relay->source->fallback_mount); if (fallback_source != NULL) source_move_clients(relay->source, fallback_source); avl_tree_unlock(global.source_tree); } source_clear_source(relay->source); /* cleanup relay, but prevent this relay from starting up again too soon */ thread_mutex_lock(&_slave_mutex); thread_mutex_lock(&(config_locks()->relay_lock)); relay->source->on_demand = 0; relay->start = time(NULL) + max_interval; relay->cleanup = 1; thread_mutex_unlock(&(config_locks()->relay_lock)); thread_mutex_unlock(&_slave_mutex); return NULL; }