176 lines
5.3 KiB
PHP
176 lines
5.3 KiB
PHP
<?php
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/**
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* Workerman-Uv
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* 2017 CismonX <admin@cismon.net>
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*/
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namespace Workerman\Events;
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use Workerman\Worker;
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class Uv implements EventInterface {
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/**
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* Libuv event loop.
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* @var resource
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*/
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protected $_loop;
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/**
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* Read & write events.
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* @var array
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*/
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protected $_allEvents = [];
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/**
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* Signals.
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* @var array
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*/
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protected $_eventSignal = [];
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/**
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* Timers.
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* @var array
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*/
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protected $_eventTimer = [];
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/**
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* Timer id counter.
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* @var int
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*/
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protected static $_timerId = 1;
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/**
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* Identifies a socket with both read and write events registered.
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*/
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const EV_RW = 3;
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->_loop = uv_default_loop();
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}
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/**
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* {@inheritdoc}
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*/
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public function add($fd, $flag, $func, $args = null) {
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switch ($flag) {
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case self::EV_READ:
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case self::EV_WRITE:
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$fd_key = intval($fd);
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//uv_poll_init() can only be called once for a same file descriptor.
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if (!isset($this->_allEvents[$fd_key]))
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$this->_allEvents[$fd_key][0] = uv_poll_init($this->_loop, $fd);
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$event = $this->_allEvents[$fd_key][0];
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$this->_allEvents[$fd_key][$flag] = $func;
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if (isset($this->_allEvents[$fd_key][self::EV_RW - $flag]))
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$flag = self::EV_RW;
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//Call uv_poll_start() with both existing flags.
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uv_poll_start($event, $flag, function ($poll, $stat, $ev, $conn) use ($func) {
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$func($conn);
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});
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break;
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case self::EV_SIGNAL:
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$fd_key = intval($fd);
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$event = uv_signal_init();
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uv_signal_start($event, function ($ev, $signal) use ($func) {
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$func($signal);
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}, $fd_key);
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$this->_eventSignal[$fd_key] = $event;
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break;
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case self::EV_TIMER:
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case self::EV_TIMER_ONCE:
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$event = uv_timer_init();
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$param = [$func, (array)$args, $flag, self::$_timerId];
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$interval = $fd * 1000;
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uv_timer_start($event, $interval, $interval, \Closure::bind(function () use ($param) {
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$timer_id = $param[3];
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if ($param[2] === self::EV_TIMER_ONCE) {
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uv_timer_stop($this->_eventTimer[$timer_id]);
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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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}, $this, __CLASS__));
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$this->_eventTimer[self::$_timerId] = $event;
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return self::$_timerId++;
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default:
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break;
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}
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return false;
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}
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/**
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* {@inheritdoc}
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*/
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public function del($fd, $flag) {
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switch ($flag) {
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case self::EV_READ:
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case self::EV_WRITE:
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$fd_key = intval($fd);
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if (isset($this->_allEvents[$fd_key][$flag])) {
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unset($this->_allEvents[$fd_key][$flag]);
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if (isset($this->_allEvents[$fd_key][self::EV_RW - $flag])) {
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$func = $this->_allEvents[$fd_key][self::EV_RW - $flag];
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//Call uv_poll_start() with the remaining flag instead of call uv_poll_stop().
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uv_poll_start($this->_allEvents[$fd_key][0], self::EV_RW - $flag,
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function ($poll, $stat, $ev, $conn) use ($func) {
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$func($conn);
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}
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);
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} else
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uv_poll_stop($this->_allEvents[$fd_key][0]);
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}
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break;
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case self::EV_SIGNAL:
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$fd_key = intval($fd);
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if (isset($this->_eventSignal[$fd_key])) {
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uv_signal_stop($this->_eventSignal[$fd_key]);
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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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uv_timer_stop($this->_eventTimer[$fd]);
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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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}
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/**
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* {@inheritdoc}
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*/
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public function loop() {
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uv_run();
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}
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/**
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* {@inheritdoc}
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*/
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public function clearAllTimer() {
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foreach ($this->_eventTimer as $event)
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uv_timer_stop($event);
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$this->_eventTimer = [];
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}
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/**
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* {@inheritdoc}
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*/
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public function destroy() {
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foreach ($this->_eventSignal as $event)
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uv_signal_stop($event);
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}
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public function getTimerCount() {
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return count($this->_eventTimer);
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}
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} |