From 90dba34d807cd2e76ff316ec202f42f1ebd78146 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sat, 18 Jun 2011 21:36:31 +0300
Subject: [PATCH] added a small php example
---
doc/protocol.txt | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/doc/protocol.txt b/doc/protocol.txt
index 76f88d67e..a9706f839 100644
--- a/doc/protocol.txt
+++ b/doc/protocol.txt
@@ -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;
+
--
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