swoole TCPsever

<?php

//创建Server对象，监听 127.0.0.1:9501端口
$serv = new swoole_server("127.0.0.1", 9501);

$serv->set([
    'reactor_num' => 2, //reactor thread num
    'worker_num' => 4,   //worker进程数（建议是cpu核数1-4倍）
    'backlog' => 128,   //listen backlog
    'max_request' => 50,
    'dispatch_mode' => 1,
]);

//监听连接进入事件
/**
 * $fd 客户端连接的唯一标识
 * $reactor_id 线程id
 */
$serv->on('connect', function ($serv, $fd, $reactor_id) {
    echo "Client: {$reactor_id}-{$fd}-Connect.\n";
});

//监听数据接收事件
$serv->on('receive', function ($serv, $fd, $reactor_id, $data) {
    $serv->send($fd, "Server: {$reactor_id}-{$fd}-" . $data);
});

//监听连接关闭事件
$serv->on('close', function ($serv, $fd) {
    echo "Client: Close.\n";
});

//启动服务器
$serv->start();