/* This does the actual connection for a relay. A thread is
* started off if a connection can be acquired
*/
int open_relay (relay_server *relay)
{
source_t *src = relay->source;
relay_server_master *master = relay->masters;
client_t *client = src->client;
do
{
int ret;
if (master->skip)
{
INFO3 ("skipping %s:%d for %s", master->ip, master->port, relay->localmount);
continue;
}
thread_mutex_unlock (&src->lock);
ret = open_relay_connection (client, relay, master);
thread_mutex_lock (&src->lock);
if (ret < 0)
continue;
if (connection_complete_source (src) < 0)
{
WARN1 ("Failed to complete initialisation on %s", relay->localmount);
continue;
}
return 1;
} while ((master = master->next) && global.running == ICE_RUNNING);
return -1;
}
/* This does the actual connection for a relay. A thread is
* started off if a connection can be acquired
*/
int open_relay (relay_server *relay)
{
source_t *src = relay->source;
relay_server_master *master = relay->masters;
client_t *client = src->client;
do
{
int ret;
if (master->skip)
{
INFO3 ("skipping %s:%d for %s", master->ip, master->port, relay->localmount);
continue;
}
thread_rwlock_unlock (&src->lock);
ret = open_relay_connection (client, relay, master);
thread_rwlock_wlock (&src->lock);
if (ret < 0)
continue;
return 1;
} while ((master = master->next) && global.running == ICE_RUNNING);
return -1;
}
/* 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;
}
