int on_channel(int epoll_fd, int fd)
{
channel ch;
if(recv_fd(fd, &ch) == L_HTTP_FAIL) {
printf("receive fd fail\n");
return L_HTTP_FAIL;
}
switch(ch.cmd) {
case HTTP_COMMAND_TRANS_FD:
return add_connection(epoll_fd, ch.fd);
case HTTP_COMMAND_RESTART:
break;
case HTTP_COMMAND_EXIT:
syslog(LOG_INFO, "proc:%d receive shutdown cmd", getpid());
worker_shutdown(epoll_fd);
break;
default:
printf("unknown cmd type\n");
return L_HTTP_FAIL;
}
return L_HTTP_SUCCESS;
}
/*!
* \brief Worker thread destructor
*
* Called automatically when refcount reaches 0. Shuts
* down the worker thread and destroys its component
* parts
*/
static void worker_thread_destroy(void *obj)
{
struct worker_thread *worker = obj;
ast_debug(3, "Destroying worker thread %d\n", worker->id);
worker_shutdown(worker);
ast_mutex_destroy(&worker->lock);
ast_cond_destroy(&worker->cond);
}
/*
* queue_free:
* queue: the #Queue to free
*
* Releases all ressources assotiated to the queue.
*/
void
queue_free (Queue* queue)
{
if (queue->schedule_idle) {
g_warning (G_STRLOC ": FIXME: cancel scheduling thread");
}
while (queue->threads) {
Worker* worker = queue->threads->data;
worker_shutdown (worker);
queue->threads = g_list_delete_link (queue->threads, queue->threads);
}
g_list_free (queue->idle_threads);
if (queue->jobs->length) {
g_warning (G_STRLOC ": FIXME: cancel unfinished jobs first");
}
g_queue_free (queue->jobs);
g_slice_free (Queue, queue);
}
static void do_shutdown(void)
{
int rc = 0;
LogEvent(COMPONENT_MAIN, "NFS EXIT: stopping NFS service");
LogEvent(COMPONENT_MAIN,
"Stopping delayed executor.");
delayed_shutdown();
LogEvent(COMPONENT_MAIN,
"Delayed executor stopped.");
LogEvent(COMPONENT_MAIN,
"Stopping state asynchronous request thread");
rc = state_async_shutdown();
if (rc != 0)
{
LogMajor(COMPONENT_THREAD,
"Error shutting down state asynchronous request system: %d",
rc);
}
else
{
LogEvent(COMPONENT_THREAD,
"State asynchronous request system shut down.");
}
LogEvent(COMPONENT_MAIN, "Stopping request listener threads.");
nfs_rpc_dispatch_stop();
LogEvent(COMPONENT_MAIN, "Stopping request decoder threads");
rc = fridgethr_sync_command(req_fridge,
fridgethr_comm_stop,
120);
if (rc == ETIMEDOUT)
{
LogMajor(COMPONENT_THREAD,
"Shutdown timed out, cancelling threads!");
fridgethr_cancel(req_fridge);
}
else if (rc != 0)
{
LogMajor(COMPONENT_THREAD,
"Failed to shut down the request thread fridge: %d!",
rc);
}
else
{
LogEvent(COMPONENT_THREAD,
"Request threads shut down.");
}
LogEvent(COMPONENT_MAIN, "Stopping worker threads");
rc = worker_shutdown();
if(rc != 0)
LogMajor(COMPONENT_THREAD,
"Unable to shut down worker threads: %d",
rc);
else
LogEvent(COMPONENT_THREAD,
"Worker threads successfully shut down.");
rc = general_fridge_shutdown();
if (rc != 0)
{
LogMajor(COMPONENT_THREAD,
"Error shutting down general fridge: %d",
rc);
}
else
{
LogEvent(COMPONENT_THREAD,
"General fridge shut down.");
}
rc = reaper_shutdown();
if (rc != 0)
{
LogMajor(COMPONENT_THREAD,
"Error shutting down reaper thread: %d",
rc);
}
else
{
LogEvent(COMPONENT_THREAD,
"Reaper thread shut down.");
}
LogEvent(COMPONENT_MAIN,
"Stopping LRU thread.");
rc = cache_inode_lru_pkgshutdown();
if (rc != 0)
{
LogMajor(COMPONENT_THREAD,
"Error shutting down LRU thread: %d",
rc);
}
else
{
LogEvent(COMPONENT_THREAD,
"LRU thread system shut down.");
}
LogEvent(COMPONENT_MAIN,
"Destroying the inode cache.");
cache_inode_destroyer();
LogEvent(COMPONENT_MAIN,
"Inode cache destroyed.");
LogEvent(COMPONENT_MAIN,
"Destroying the FSAL system.");
destroy_fsals();
LogEvent(COMPONENT_MAIN,
"FSAL system destroyed.");
unlink(pidfile_path);
}