代码
<?php
$server = new Swoole\Server('0.0.0.0', 9905, SWOOLE_BASE, SWOOLE_SOCK_UDP);
$server->set(['worker_num' => 1]);
$socket = $server->getSocket();
$ret = socket_set_option(
$socket,
IPPROTO_IP,
MCAST_JOIN_GROUP,
array(
'group' => '224.10.20.30', // 表示组播地址
'interface' => 'eth0' // 表示网络接口的名称，可以为数字或字符串，如eth0、wlan0
)
);
if ($ret === false) {
throw new RuntimeException('Unable to join multicast group');
}
$server->on('Packet', function (Swoole\Server $server, $data, $addr) {
$server->sendto($addr['address'], $addr['port'], "Swoole: $data");
var_dump($addr, strlen($data));
});
$server->start(); 网友回复
我知道答案，我要回答
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