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Old 12-06-2006, 11:58 PM   #1
anamericanjoe
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PHP UNIX Domain Socket Programming


I am new to socket programming. I would like to program a PHP script to open up a UNIX domain socket (AF_UNIX) to communicate with another program running on the system. I've Googled to see how to accomplish this, however all I can really find are examples of internet sockets (AF_INET) for simple TCP/IP programs.

Can anyone help me figure out UNIX sockets with PHP or direct me to a good reference for UNIX sockets with PHP?
 
Old 12-07-2006, 05:34 PM   #2
chrism01
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You might find starting here to be useful, there's at least 1 example of AF_UNIX plus plenty of links to defs/examples.
http://au2.php.net/manual/en/ref.sockets.php

Incidentally, I wrote a system that runs 24/7 with co-operating processes and had probs making UNIX sockets robust/graceful enough in error handling, so used INET sockets instead and it works just fine. (Actually in Perl, but the principles are the same).
YMMV ...
 
Old 12-08-2006, 02:10 AM   #3
anamericanjoe
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Quote:
Originally Posted by chrism01
You might find starting here to be useful, there's at least 1 example of AF_UNIX plus plenty of links to defs/examples.
http://au2.php.net/manual/en/ref.sockets.php
This is one of the pages that turned up in my Google search. I think the TCP/IP client/server examples are handy for learning the AF_INET way of doing things, but I was hoping to see an example that uses AF_UNIX. (I searched the page for an example that uses AF_UNIX instead of AF_INET but couldn't find one...may you're seeing something I'm not?)

Quote:
Originally Posted by chrism01
Incidentally, I wrote a system that runs 24/7 with co-operating processes and had probs making UNIX sockets robust/graceful enough in error handling, so used INET sockets instead and it works just fine. (Actually in Perl, but the principles are the same).
YMMV ...
Coincidentally, I would like to pass messages between a php process and a perl process. What sorts of issues did you face with UNIX sockets that were solved by switching to INET sockets?
 
  


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