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added a small php example

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This commit is contained in:
Perttu Ahola 2011-06-18 21:36:31 +03:00
parent 0d949c68d8
commit 90dba34d80
1 changed files with 24 additions and 0 deletions
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24
doc/protocol.txt
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@ -44,3 +44,27 @@ Initialization:
u8 type = TYPE_CONTROL = 0
u8 controltype = CONTROLTYPE_DISCO = 2
- Here's a quick untested connect-disconnect done in PHP:
# host: ip of server (use gethostbyname(hostname) to get from a dns name)
# port: port of server
function check_if_minetestserver_up($host, $port)
$socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
$timeout = array("sec" => 1, "usec" => 0);
socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, $timeout);
$buf = "\x4f\x45\x74\x03\x00\x00\x00\x03\xff\xdc\x01";
socket_sendto($socket, $buf, strlen($buf), 0, $host, $port);
$buf = socket_read($socket, 1000);
if($buf != "")
{
# We got a reply! read the peer id from it.
$peer_id = substr($buf, 9, 2);
# Disconnect
$buf = "\x4f\x45\x74\x03".$peer_id."\x00\x00\x02";
socket_sendto($socket, $buf, strlen($buf), 0, $host, $port);
socket_close($socket);
return true;
}
return false;