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vendor/swoole/examples/multicast/server.php

@@ -0,0 +1,24 @@
+<?php
+$server = new swoole_server('0.0.0.0', 9905, SWOOLE_PROCESS, SWOOLE_SOCK_UDP);
+$server->set(['worker_num' => 1]);
+$socket = $server->getSocket();
+
+$ret = socket_set_option(
+    $socket,
+    IPPROTO_IP,
+    MCAST_JOIN_GROUP,
+    array('group' => '224.10.20.30', 'interface' => 0)
+);
+
+if ($ret === false)
+{
+    throw new RuntimeException('Unable to join multicast group');
+}
+
+$server->on('Packet', function (swoole_server $serv, $data, $addr)
+{
+    $serv->sendto($addr['address'], $addr['port'], "Swoole: $data");
+    var_dump( $addr, strlen($data));
+});
+
+$server->start();