189 lines
4.8 KiB
PHP
189 lines
4.8 KiB
PHP
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<?php
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/**
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* This file is part of workerman.
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the MIT-LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @author 有个鬼<42765633@qq.com>
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* @copyright 有个鬼<42765633@qq.com>
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* @link http://www.workerman.net/
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Workerman\Events;
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use Workerman\Worker;
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/**
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* libevent eventloop
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*/
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class Event implements EventInterface
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{
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/**
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* Event base.
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* @var object
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*/
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protected $_eventBase = null;
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/**
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* All listeners for read/write event.
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* @var array
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*/
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protected $_allEvents = array();
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/**
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* Event listeners of signal.
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* @var array
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*/
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protected $_eventSignal = array();
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/**
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* All timer event listeners.
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* [func, args, event, flag, time_interval]
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* @var array
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*/
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protected $_eventTimer = array();
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/**
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* Timer id.
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* @var int
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*/
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protected static $_timerId = 1;
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/**
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* construct
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* @return void
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*/
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public function __construct()
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{
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$this->_eventBase = new \EventBase();
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}
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/**
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* @see EventInterface::add()
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*/
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public function add($fd, $flag, $func, $args=array())
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{
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switch ($flag) {
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case self::EV_SIGNAL:
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$fd_key = (int)$fd;
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$event = \Event::signal($this->_eventBase, $fd, $func);
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if (!$event||!$event->add()) {
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return false;
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}
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$this->_eventSignal[$fd_key] = $event;
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return true;
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case self::EV_TIMER:
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case self::EV_TIMER_ONCE:
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$param = array($func, (array)$args, $flag, $fd, self::$_timerId);
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$event = new \Event($this->_eventBase, -1, \Event::TIMEOUT|\Event::PERSIST, array($this, "timerCallback"), $param);
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if (!$event||!$event->addTimer($fd)) {
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return false;
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}
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$this->_eventTimer[self::$_timerId] = $event;
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return self::$_timerId++;
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default :
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$fd_key = (int)$fd;
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$real_flag = $flag === self::EV_READ ? \Event::READ | \Event::PERSIST : \Event::WRITE | \Event::PERSIST;
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$event = new \Event($this->_eventBase, $fd, $real_flag, $func, $fd);
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if (!$event||!$event->add()) {
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return false;
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}
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$this->_allEvents[$fd_key][$flag] = $event;
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return true;
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}
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}
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/**
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* @see Events\EventInterface::del()
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*/
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public function del($fd, $flag)
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{
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switch ($flag) {
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case self::EV_READ:
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case self::EV_WRITE:
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$fd_key = (int)$fd;
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if (isset($this->_allEvents[$fd_key][$flag])) {
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$this->_allEvents[$fd_key][$flag]->del();
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unset($this->_allEvents[$fd_key][$flag]);
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}
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if (empty($this->_allEvents[$fd_key])) {
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unset($this->_allEvents[$fd_key]);
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}
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break;
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case self::EV_SIGNAL:
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$fd_key = (int)$fd;
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if (isset($this->_eventSignal[$fd_key])) {
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$this->_allEvents[$fd_key][$flag]->del();
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unset($this->_eventSignal[$fd_key]);
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}
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break;
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case self::EV_TIMER:
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case self::EV_TIMER_ONCE:
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if (isset($this->_eventTimer[$fd])) {
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$this->_eventTimer[$fd]->del();
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unset($this->_eventTimer[$fd]);
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}
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break;
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}
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return true;
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}
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/**
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* Timer callback.
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* @param null $fd
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* @param int $what
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* @param int $timer_id
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*/
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public function timerCallback($fd, $what, $param)
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{
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$timer_id = $param[4];
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if ($param[2] === self::EV_TIMER_ONCE) {
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$this->_eventTimer[$timer_id]->del();
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unset($this->_eventTimer[$timer_id]);
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}
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try {
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call_user_func_array($param[0], $param[1]);
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} catch (\Exception $e) {
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Worker::log($e);
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exit(250);
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} catch (\Error $e) {
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Worker::log($e);
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exit(250);
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}
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}
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/**
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* @see Events\EventInterface::clearAllTimer()
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* @return void
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*/
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public function clearAllTimer()
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{
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foreach ($this->_eventTimer as $event) {
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$event->del();
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}
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$this->_eventTimer = array();
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}
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/**
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* @see EventInterface::loop()
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*/
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public function loop()
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{
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$this->_eventBase->loop();
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}
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}
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