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2.7.7 - 多端口监听的使用.md

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多端口监听的使用

Swoole提供了多端口监听的机制,这样可以同时监听UDP和TCP,同时监听内网地址和外网地址。内网地址和端口用于管理,外网地址用于对外服务。

$serv = new swoole_server("0.0.0.0", 9501);
//这里监听了一个UDP端口用来做内网管理
$serv->addlistener('127.0.0.1', 9502, SWOOLE_SOCK_UDP);
$serv->on('connect', function ($serv, $fd) {
    echo "Client:Connect.\n";
});
$serv->on('receive', function ($serv, $fd, $from_id, $data) {
    $info = $serv->connection_info($fd, $from_id);
    //来自9502的内网管理端口
    if($info['server_port'] == 9502) {
		$serv->send($fd, "welcome admin\n");
	}
	//来自外网
	else {
		$serv->send($fd, 'Swoole: '.$data);
	}
});
$serv->on('close', function ($serv, $fd) {
    echo "Client: Close.\n";
});
$serv->start();

Web层只需向此UDP端口发送管理的指令即可

$client = new swoole_client(SWOOLE_SOCK_UDP, SWOOLE_SOCK_SYNC);
$client->connect('127.0.0.1', 9502);
$client->send("admin");
echo $client->recv();