#43325 [Opn->Fbk]: feof() hangs on UDP stream

From: Date: Mon, 19 Nov 2007 13:29:08 +0000
Subject: #43325 [Opn->Fbk]: feof() hangs on UDP stream
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-119826@lists.php.net to get a copy of this message 
 ID:               43325
 Updated by:       jani@php.net
 Reported By:      mertcan at dpozitif dot com
-Status:           Open
+Status:           Feedback
 Bug Type:         Streams related
 Operating System: Centos 5.0
 PHP Version:      5.2.5
 New Comment:

Shouldn't you make the stream non-blocking? Try adding this after
fsockopen:

stream_set_blocking($fp, false);


Previous Comments:
------------------------------------------------------------------------

[2007-11-18 23:12:34] mertcan at dpozitif dot com

Description:
------------
Using feof on UDP hangs. It should give true or false, in my example it
should give true but it hangs. I've tried many ways but it always hangs.

Reproduce code:
---------------
$msg = "ÿÿÿÿchallenge rcon";

$fp = fsockopen("udp://62.68.207.16",27015, $errno, $errstr);
fputs($fp, $msg, strlen($msg));
$response = fgets($fp, 1024);    			
$challenge = substr($response, 19, strlen($response) - 20);
		
$msg = "ÿÿÿÿrcon ".$challenge." \"123456\" ".$komut.chr(0);
fputs($fp, $msg, strlen($msg));

echo feof($fp) ? 'true':'false';
		
$response .= fgets($fp, 32);

fclose ($fp);

Expected result:
----------------
true

Actual result:
--------------
hangs


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