Ev.php
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<?php
/**
* This file is part of workerman.
*
* Licensed under The MIT License
* For full copyright and license information, please see the MIT-LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @author 有个鬼<42765633@qq.com>
* @link http://www.workerman.net/
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Workerman\Events;
use Workerman\Worker;
/**
* ev eventloop
*/
class Ev implements EventInterface
{
/**
* All listeners for read/write event.
*
* @var array
*/
protected $_allEvents = array();
/**
* Event listeners of signal.
*
* @var array
*/
protected $_eventSignal = array();
/**
* All timer event listeners.
* [func, args, event, flag, time_interval]
*
* @var array
*/
protected $_eventTimer = array();
/**
* Timer id.
*
* @var int
*/
protected static $_timerId = 1;
/**
* Add a timer.
* {@inheritdoc}
*/
public function add($fd, $flag, $func, $args = null)
{
$callback = function ($event, $socket) use ($fd, $func) {
try {
call_user_func($func, $fd);
} catch (\Exception $e) {
Worker::log($e);
exit(250);
} catch (\Error $e) {
Worker::log($e);
exit(250);
}
};
switch ($flag) {
case self::EV_SIGNAL:
$event = new \EvSignal($fd, $callback);
$this->_eventSignal[$fd] = $event;
return true;
case self::EV_TIMER:
case self::EV_TIMER_ONCE:
$repeat = $flag == self::EV_TIMER_ONCE ? 0 : $fd;
$param = array($func, (array)$args, $flag, $fd, self::$_timerId);
$event = new \EvTimer($fd, $repeat, array($this, 'timerCallback'), $param);
$this->_eventTimer[self::$_timerId] = $event;
return self::$_timerId++;
default :
$fd_key = (int)$fd;
$real_flag = $flag === self::EV_READ ? \Ev::READ : \Ev::WRITE;
$event = new \EvIo($fd, $real_flag, $callback);
$this->_allEvents[$fd_key][$flag] = $event;
return true;
}
}
/**
* Remove a timer.
* {@inheritdoc}
*/
public function del($fd, $flag)
{
switch ($flag) {
case self::EV_READ:
case self::EV_WRITE:
$fd_key = (int)$fd;
if (isset($this->_allEvents[$fd_key][$flag])) {
$this->_allEvents[$fd_key][$flag]->stop();
unset($this->_allEvents[$fd_key][$flag]);
}
if (empty($this->_allEvents[$fd_key])) {
unset($this->_allEvents[$fd_key]);
}
break;
case self::EV_SIGNAL:
$fd_key = (int)$fd;
if (isset($this->_eventSignal[$fd_key])) {
$this->_eventSignal[$fd_key]->stop();
unset($this->_eventSignal[$fd_key]);
}
break;
case self::EV_TIMER:
case self::EV_TIMER_ONCE:
if (isset($this->_eventTimer[$fd])) {
$this->_eventTimer[$fd]->stop();
unset($this->_eventTimer[$fd]);
}
break;
}
return true;
}
/**
* Timer callback.
*
* @param \EvWatcher $event
*/
public function timerCallback($event)
{
$param = $event->data;
$timer_id = $param[4];
if ($param[2] === self::EV_TIMER_ONCE) {
$this->_eventTimer[$timer_id]->stop();
unset($this->_eventTimer[$timer_id]);
}
try {
call_user_func_array($param[0], $param[1]);
} catch (\Exception $e) {
Worker::log($e);
exit(250);
} catch (\Error $e) {
Worker::log($e);
exit(250);
}
}
/**
* Remove all timers.
*
* @return void
*/
public function clearAllTimer()
{
foreach ($this->_eventTimer as $event) {
$event->stop();
}
$this->_eventTimer = array();
}
/**
* Main loop.
*
* @see EventInterface::loop()
*/
public function loop()
{
\Ev::run();
}
/**
* Destroy loop.
*
* @return void
*/
public function destroy()
{
foreach ($this->_allEvents as $event) {
$event->stop();
}
}
}