Swoole理解manager进程和worker进程的启动顺序，以及演示如何停止或者重启服务端。...

php
//创建Server对象&＃xff0c;监听 127.0.0.1:9501端口
$serv &＃61; new swoole_server("127.0.0.1", 9501);
$serv->set(array(&＃39;max_request &＃39; &＃61;> 10, //reactor thread num&＃39;worker_num&＃39; &＃61;> 4, //worker process num&＃39;log_file&＃39; &＃61;> &＃39;swoole.log&＃39;,&＃39;pid_file&＃39; &＃61;> &＃39;server.pid&＃39;,
));$serv->on(&＃39;managerStart&＃39;,function($serv){swoole_set_process_name("managerprocess");
});$serv->on(&＃39;workerStart&＃39;,function($serv, $worker_id){if($worker_id >&＃61; $serv->setting[&＃39;worker_num&＃39;]) {swoole_set_process_name("workprocess_".($worker_id-$serv->setting[&＃39;worker_num&＃39;]));} else {swoole_set_process_name("workprocess_{$worker_id}");}
});
$serv->on(&＃39;start&＃39;,function($serv){echo "到这一步说明服务已经起来了&＃xff0c;manager,work都已经回调start完成";
});
//监听连接进入事件
$serv->on(&＃39;connect&＃39;, function ($serv, $fd) { echo "Client: Connect.\n";
});//监听数据接收事件
$serv->on(&＃39;receive&＃39;, function ($serv, $fd, $from_id, $data) {$serv->send($fd, "Server: ".$data);
});//监听连接关闭事件
$serv->on(&＃39;close&＃39;, function ($serv, $fd) {echo "Client: Close.\n";
});//启动服务器
$serv->start();

php$options &＃61; &＃39;s&＃39;;$command &＃61; getopt($options);$pidFile &＃61; &＃39;server.pid&＃39;;if(isset($command[&＃39;s&＃39;])){if($command[&＃39;s&＃39;]&＃61;&＃61;&＃39;stop&＃39;){stop();}else{reload();}}else{die("请输入-s stop|reload");}function stop(){global $pidFile;if (file_exists($pidFile)) {$pid &＃61; file_get_contents($pidFile);if (!swoole_process::kill($pid, 0)) {echo "PID :{$pid} not exist \n";return false;}swoole_process::kill($pid);//等待5秒$time &＃61; time();$flag &＃61; false;while (true) {usleep(1000);if (!swoole_process::kill($pid, 0)) {echo "server stop at " . date("y-m-d h:i:s") . "\n";if (is_file($pidFile)) {unlink($pidFile);}$flag &＃61; true;break;} else {if (time() - $time > 5) {echo "stop server fail.try again \n";break;}}}return $flag;} else {echo "pid 文件不存在&＃xff0c;请执行查找主进程pid,kill!\n";return false;}}function reload(){global $pidFile;if (file_exists($pidFile)) {$sig &＃61; SIGUSR1;$pid &＃61; file_get_contents($pidFile);if (!swoole_process::kill($pid, 0)) {echo "pid :{$pid} not exist \n";return;}swoole_process::kill($pid, $sig);echo "send server reload command at " . date("y-m-d h:i:s") . "\n";} else {echo "pid 文件不存在&＃xff0c;请执行查找主进程pid,kill!\n";}}