Issue with blocked socket stream

Issue with blocked socket stream

am 07.02.2010 08:06:26 von Phani Raju

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I am trying to open a blocking stream using fsockopen. I want to write and read XML input/output from a server. After opening the steam I will send a XML request to server using the stream. Once this request is sent, I want to keep listening on the port indefinitely.



I tried using blocking stream for this with a huge timeout. But had no success as it was not waiting for such a long period.



Code:

$parser = xml_parser_create("UTF-8");

if($stream = @fsockopen($host, $port, $errorno, $errorstr, $timeout)) {

stream_set_blocking($stream, 1);

stream_set_timeout($stream, TIMEOUT);

fwrite($stream, $xml."n");

sleep(2);

while (!feof($stream)) {

$data = fread($stream, 1024);

xml_parse($parser, $data, feof($stream));

}

}



$xml has the xml to be sent. TIMEOUT is set to 3600*24 and $timeout is set to 300. As it is a blocking stream, till the data is not arrived, feof should not happen. But in this case, the stream is not waiting and returning eof. What is the problem with this code?
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Re: Issue with blocked socket stream

am 07.02.2010 17:06:39 von Nathan Rixham

Phani Raju wrote:
> I am trying to open a blocking stream using fsockopen. I want to write and read XML input/output from a server. After opening the steam I will send a XML request to server using the stream. Once this request is sent, I want to keep listening on the port indefinitely.
>
> I tried using blocking stream for this with a huge timeout. But had no success as it was not waiting for such a long period.
>
> Code:
> $parser = xml_parser_create("UTF-8");
> if($stream = @fsockopen($host, $port, $errorno, $errorstr, $timeout)) {
> stream_set_blocking($stream, 1);
> stream_set_timeout($stream, TIMEOUT);
> fwrite($stream, $xml."n");

fwrite($stream, $xml."n") should probably be fwrite($stream, $xml."\n") ?

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Re: Re: Issue with blocked socket stream

am 08.02.2010 09:58:31 von Phani Raju

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It was a mistake while copying the code. I had '\n' only.



On Sun, 07 Feb 2010 21:31:55 +0530 wrote

>Phani Raju wrote:



> I am trying to open a blocking stream using fsockopen. I want to write and read XML input/output from a server. After opening the steam I will send a XML request to server using the stream. Once this request is sent, I want to keep listening on the port indefinitely.



>



> I tried using blocking stream for this with a huge timeout. But had no success as it was not waiting for such a long period.



>



> Code:



> $parser = xml_parser_create("UTF-8");



> if($stream = @fsockopen($host, $port, $errorno, $errorstr, $timeout)) {



> stream_set_blocking($stream, 1);



> stream_set_timeout($stream, TIMEOUT);



> fwrite($stream, $xml."n");







fwrite($stream, $xml."n") should probably be fwrite($stream, $xml."\n") ?




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