/**
* Runtime of Master process
* @return void
*/
public function run()
{
Daemon::$process = $this;
$this->prepareSystemEnv();
class_exists('Timer');
// ensure loading this class
gc_enable();
$this->eventBase = event_base_new();
$this->registerEventSignals();
FS::initEvent();
$this->fileWatcher = new FileWatcher();
$this->workers = new ThreadCollection();
$this->collections['workers'] = $this->workers;
Daemon::$appResolver = (require Daemon::$config->path->value);
$this->IPCManager = Daemon::$appResolver->getInstanceByAppName('IPCManager');
Daemon::$appResolver->preload(true);
$this->callbacks = new SplStack();
$this->spawnWorkers(min(Daemon::$config->startworkers->value, Daemon::$config->maxworkers->value));
Timer::add(function ($event) use(&$cbs) {
$self = Daemon::$process;
static $c = 0;
++$c;
if ($c > 0xfffff) {
$c = 1;
}
if ($c % 10 == 0) {
$self->workers->removeTerminated(true);
gc_collect_cycles();
} else {
$self->workers->removeTerminated();
}
if (isset(Daemon::$config->mpm->value) && is_callable(Daemon::$config->mpm->value)) {
call_user_func(Daemon::$config->mpm->value);
} else {
// default MPM
$state = Daemon::getStateOfWorkers($self);
if ($state) {
$n = max(min(Daemon::$config->minspareworkers->value - $state['idle'], Daemon::$config->maxworkers->value - $state['alive']), Daemon::$config->minworkers->value - $state['alive']);
if ($n > 0) {
Daemon::log('Spawning ' . $n . ' worker(s).');
$self->spawnWorkers($n);
event_base_loopbreak($self->eventBase);
}
$n = min($state['idle'] - Daemon::$config->maxspareworkers->value, $state['alive'] - Daemon::$config->minworkers->value);
if ($n > 0) {
Daemon::log('Stopping ' . $n . ' worker(s).');
$self->stopWorkers($n);
}
}
}
$event->timeout();
}, 1000000.0 * Daemon::$config->mpmdelay->value, 'MPM');
while (!$this->breakMainLoop) {
while (!$this->callbacks->isEmpty()) {
call_user_func($this->callbacks->shift(), $this);
}
event_base_loop($this->eventBase);
}
}
function halt()
{
event_base_loopbreak($this->handle);
return $this;
}
public function stop()
{
if (!$this->_started) {
return;
}
self::$_logger->info('Server stops. The event loop ends.');
event_base_loopbreak($this->_eventBase);
if ($this->_listenEvent) {
event_del($this->_listenEvent);
event_free($this->_listenEvent);
$this->_listenEvent = NULL;
}
if ($this->_sock) {
socket_close($this->_sock);
$this->_sock = NULL;
}
foreach ($this->_streams as $stream) {
$stream->forceClose();
}
// TODO: need to clear the streams too
foreach ($this->_signalEvents as $signo => $event) {
event_del($event);
event_free($event);
unset($this->_signalEvents[$signo]);
}
$this->_started = FALSE;
}
private function become_intern($request_message)
{
$intern = new Prefork_Intern($this);
$pid = $this->fork_process();
if ($pid === 0) {
// Interns only past this point
event_base_loopbreak($this->event_base);
event_base_reinit($this->event_base);
foreach ($this->events as $i => $event) {
event_del($event);
event_free($event);
unset($this->events[$i]);
}
event_base_free($this->event_base);
$intern->start_request($request_message);
$this->intern = $intern;
return true;
}
$this->intern_pid = $pid;
if (!$this->single_interns) {
$this->make_offer();
}
return false;
}
/**
* 退出时间循环
* @return [void] [none]
*/
public function loopbreak()
{
event_base_loopbreak($this->_eventBase);
}
/**
* Break loop
*
* @return void
*/
public function breakLoop()
{
$this->isTerminating = true;
event_base_loopbreak($this->handle);
}
/**
* Signal callback
* @param int $Signal
*/
public function evcb_Signal($hEvent, $Events, $Signal)
{
switch ($Signal) {
case SIGALRM:
$this->SendCommand('GC');
break;
case SIGUSR2:
$this->SendCommand('Report');
break;
case SIGTERM:
case SIGTRAP:
$this->SendCommand('Exit');
foreach ($this->ChildProcess as $pid) {
pcntl_waitpid($status, $pid);
}
event_base_loopbreak($this->BaseEvent);
sem_remove($this->SEM);
shmop_delete($this->SHM);
shmop_close($this->SHM);
}
}
/**
* Immediately stops the loop, and doesn't handle any further pending
* events.
*
* Returns true on success or false on error.
*
* @return bool
*/
public function breakLoop()
{
return event_base_loopbreak($this->resource);
}
/**
* Abort the active event loop immediately. The behaviour is similar to break statement.
*
* @see event_base_loopbreak
*
* @throws EventException
*
* @return EventBaseInterface
*/
public function loopBreak()
{
if (false === event_base_loopbreak($this->resource)) {
throw $this->exception('Could not break loop (event_base_loopbreak)');
}
return $this;
}
