139 lines
3.6 KiB
PHP
139 lines
3.6 KiB
PHP
<?php
|
||
// +----------------------------------------------------------------------
|
||
// | CatchAdmin [Just Like ～ ]
|
||
// +----------------------------------------------------------------------
|
||
// | Copyright (c) 2017~2020 http://catchadmin.com All rights reserved.
|
||
// +----------------------------------------------------------------------
|
||
// | Licensed ( https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt )
|
||
// +----------------------------------------------------------------------
|
||
// | Author: JaguarJack [ njphper@gmail.com ]
|
||
// +----------------------------------------------------------------------
|
||
namespace catcher\library\crontab;
|
||
|
||
use Swoole\Process;
|
||
|
||
trait RegisterSignal
|
||
{
|
||
/**
|
||
* Register 信号
|
||
*
|
||
* @time 2019年08月06日
|
||
*/
|
||
protected function registerSignal()
|
||
{
|
||
// Process::signal(SIGALRM, $this->restartProcess());
|
||
|
||
Process::signal(SIGCHLD, $this->waitingForWorkerExit());
|
||
|
||
Process::signal(SIGTERM, $this->smoothExit());
|
||
|
||
Process::signal(SIGUSR2, $this->smoothReloadWorkers());
|
||
|
||
Process::signal(SIGUSR1, $this->workerStatus());
|
||
|
||
Process::signal(SIGPIPE, $this->catchPipeError());
|
||
}
|
||
|
||
/**
|
||
* 重新拉起子进程
|
||
*
|
||
* @time 2019年08月06日
|
||
* @return \Closure
|
||
*/
|
||
protected function restartProcess()
|
||
{
|
||
return function () {
|
||
// var_dump('alarm here');
|
||
/**$count = count($this->process);
|
||
if ($count < $this->staticNum) {
|
||
$process = $this->createStaticProcess();
|
||
$this->workerInfo($process);
|
||
}*/
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 等待子进程退出 防止僵尸
|
||
*
|
||
* @time 2019年08月06日
|
||
* @return \Closure
|
||
*/
|
||
protected function waitingForWorkerExit()
|
||
{
|
||
return function () {
|
||
while ($res = Process::wait(false)) {
|
||
if (isset($this->processes[$res['pid']])) {
|
||
$this->unsetWorkerStatus($res['pid']);
|
||
unset($this->processes[$res['pid']]);
|
||
} else {
|
||
// 临时进程数目减少一次
|
||
$this->temporaryNum -= 1;
|
||
}
|
||
}
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 注册 SIGTERM
|
||
*
|
||
* @time 2019年08月06日
|
||
* @return \Closure
|
||
*/
|
||
protected function smoothExit()
|
||
{
|
||
return function () {
|
||
// 发送停止信号给子进程 等待结束后自动退出
|
||
foreach ($this->processes as $pid => $process) {
|
||
Process::kill($pid, SIGTERM);
|
||
}
|
||
// 退出 master
|
||
Process::kill($this->master_pid, SIGKILL);
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 输出 worker 的状态
|
||
*
|
||
* @time 2020年07月06日
|
||
* @return \Closure
|
||
*/
|
||
protected function workerStatus()
|
||
{
|
||
return function () {
|
||
foreach ($this->processes as $pid => $process) {
|
||
Process::kill($pid, SIGUSR1);
|
||
}
|
||
usleep(100);
|
||
$this->saveProcessStatus();
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 平滑重启子进程
|
||
*
|
||
* @time 2020年07月06日
|
||
* @return \Closure
|
||
*/
|
||
protected function smoothReloadWorkers()
|
||
{
|
||
return function () {
|
||
// 使用队列， 会发生主进程往一个不存在的进程发送消息吗？
|
||
foreach ($this->processes as $process) {
|
||
Process::kill((int)$process['pid'], SIGTERM);
|
||
}
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 管道破裂信号
|
||
*
|
||
* @time 2020年07月06日
|
||
* @return \Closure
|
||
*/
|
||
public function catchPipeError()
|
||
{
|
||
return function () {
|
||
// todo
|
||
};
|
||
}
|
||
} |