Loading... # [php并行运行多任务,daemon守护进程](https://blog.p2hp.com/archives/1713) 利用swoole框架,适合运行并行的长时间(一直运行)的任务. 如下 ```php <?php $redirect_stdout = false; $workers = []; $worker_num = 8; cli_set_process_title('monitormain');//修改进程名,need php>5.5 //swoole_process::daemon(0, 1);/yuan swoole_process::daemon(0, 0);//as a daemon for($i = 0; $i < $worker_num; $i++) { $process = new swoole_process('child_async', $redirect_stdout);//创建子进程 $pid = $process->start();//子进程pid $workers[$pid] = $process; } master_async($workers); //异步主进程,用于与子进程通信等 function master_async($workers) { swoole_process::signal(SIGCHLD, function ($signo) use ($workers) { $ret = swoole_process::wait(); $pid = $ret['pid']; unset($workers[$pid]); echo "Worker Exit, PID=" . $pid . PHP_EOL; }); /** * @var $process swoole_process */ /*与子进程通信 foreach($workers as $pid => $process) { swoole_event_add($process->pipe, function($pipe) use ($process) { $recv = $process->read(); if ($recv) echo "From Worker: " . $recv; }); $process->write("hello worker[$pid]\n"); }*/ } function child_async(swoole_process $worker) { //echo "Worker: start. PID=".$worker->pid."\n"; //recv data from master $GLOBALS['worker'] = $worker; global $argv; //$worker->name("{$argv[0]}: worker");//修改进程名 $worker->name("monitor");//修改进程名 swoole_process::signal(SIGTERM, function($signal_num) use ($worker) { echo "signal call = $signal_num, #{$worker->pid}\n"; }); //do something echo 'hello'; /*异步,同步时不需要 swoole_event_add($worker->pipe, function($pipe) use($worker) { $recv = $worker->read(); echo "From Master: $recv\n"; $worker->write("hello master\n"); });*/ } ``` ---------------------------------以下是完整代码---------------------- ```php <?php //php并行执行多个任务 //用于监控集群工作状态 //用法:终端执行:php monitor.php Monitor node 192.168.6.157 192.168.6.156.... $redirect_stdout = false;//重定向子进程的标准输入和输出 $workers = []; isset($argv)?$worker_num = count($argv)-3:1;//$worker_num:子进程数 cli_set_process_title('monitormain');//修改进程名,need php>=5.5 swoole_process::daemon(1, 0);//as a daemon //循环创建子进程 for($i = 0; $i < $worker_num; $i++) { $process = new swoole_process('child_async', $redirect_stdout);//创建子进程 $pid = $process->start();//子进程pid $workers[$pid] = $process; } master_async($workers);//执行主进程 //异步主进程,用于与子进程通信等 function master_async($workers) { global $argv; $argnum=2; swoole_process::signal(SIGCHLD, function ($signo) use ($workers) { $ret = swoole_process::wait(); $pid = $ret['pid']; unset($workers[$pid]); echo "Worker Exit, PID=" . $pid . PHP_EOL; }); foreach($workers as $pid => $process) { $argnum++; swoole_event_add($process->pipe, function($pipe) use ($process) { //$recv = $process->read();//从子进程读消息 if ($recv) echo "From Worker: " . $recv; }); $process->write("$argv[$argnum]");//向子进程写消息 } } //异步子进程 function child_async(swoole_process $worker) { $GLOBALS['worker'] = $worker; global $argv; $worker->name("monitor");//修改进程名 swoole_process::signal(SIGTERM, function($signal_num) use ($worker) { echo "signal call = $signal_num, #{$worker->pid}\n"; }); //执行任务 swoole_event_add($worker->pipe, function($pipe) use($worker,$argv) { $recv = $worker->read();//读取主进程消息 //echo "From Master: $recv ***\n"; //$worker->write("hello master\n");//向主进程写消息 $args= array('cli.php', $argv[1],$argv[2],$recv); $worker->exec('/usr/bin/php',$args);//执行命令 }); } ``` 最后修改：2023 年 08 月 08 日 © 允许规范转载 赞 如果觉得我的文章对你有用，请随意赞赏