Re: Receive UDP Broadcast
[email protected] (Andrey Repin)
| Newsgroups | php.general |
|---|---|
| Message-ID | <[email protected]> |
Greetings, [email protected]. In reply to Your message dated Friday, February 25, 2022, 16:13:39, > Hi! > how can i receive an UDP broadcast to 255.255.255.255 on an dedicated interface? > this is my first try, but no luck, how can i enable the broadcast feature for my socket? > $address = 'udp://10.88.0.255:20000'; > # $address = 'udp://10.88.0.20:20000'; // not working > # $address = 'udp://255.255.255.255:20000'; //also not working, so i missing the interface binding to?! For the starter, have you tried 0.0.0.0 for testing purposes? > $context = stream_context_create([ > 'socket' => [ > 'so_broadcast' => 1, > ], > ]); > $socket = @\stream_socket_server($address, $errno, $errstr, \STREAM_SERVER_BIND, $context); And remove @. If you want error handling - implement error handling. But don't mute errors. > my code is working fine for any unicast packet, but broadcast isnt reache this socket. the excepted broadcast-packets can i see with tcpdump on my server-intrerface. > any hints for my problem? > regards, volker. -- Sincerely Yours, Andrey Repin <[email protected]>