Re: Help getting a socket to work?

From: Martin (martinvalley_at_comcast.net)
Date: 09/03/04 

Date: Thu, 02 Sep 2004 17:30:50 -0700

Andy / Daniel -

Thanks.

>Mayeb you found another program that is broken by SP2 :)

yeah, very well could be.

>
>> echo "Reading response: <br><br>";
>> while ($out = socket_read($socket, 999, PHP_NORMAL_READ)) {
>> echo $out;
>> }
>
>
>This blocks untill:
>- 999 bytes are read.
>- a \n, \r or \0 is received
>
>Are these conditions met?

No, they weren't. I didn't know I needed to do that. When I added \n
to the message from the server, the script started working all the way
through. However, I'm still getting an error on the socket_read. It
says: "unable to read from socket. operation completed successfully."

I tried taking the socket_read out of the "while" construct but it
didn't make any difference.

I found a comment on the PHP.net site that said that socket_read
doesn't work in Windows (the comment is nearly a year old). The writer
says to use: socket_recv instead. I tried it thus:

$rcd=socket_recv($socket,$buffer,999,0);
  echo $rcd;
  echo "<br>" . $buffer;

It worked!

Howeer, this appears to NOT wait on any terminating character. Since
it's possible for tcp/ip to break up the messages, I'm concerned that
I'll always receive complete messages. (I've had problems with that in
the past).

>BTW why socket_* and not fsockopen?

Because I don't know any better. Should I be using it?

Any other advice and guidance will be greatly appreciated.

Thanks again.

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