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Date: Mon, 27 Mar 2006 07:47:09 -0500
To: Matthew <roguestar191@comcast.net>
Cc: internals@lists.php.net
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Subject: Re: [PHP-DEV] can Php - Fast-CGI and STDIN be used?
From: kingwez@gmail.com ("Wez Furlong")

IMO, you're better off using stream_socket_server() and writing a
"real" daemon for that.  Abusing fastcgi/cgi to work in that way is
only going to bite you in the ass.

--Wez

On 3/24/06, Matthew <roguestar191@comcast.net> wrote:
> I'm sorry if this is the wrong place for this post, I just don't know whe=
re
> else to go.
>
> I need some help figuring out how to use FCGI_STDIN with a running php
> script.
>
> I have written a server in c++, which for a while been running php throug=
h
> it's plain old cgi interface. I have been using php for 2 things, the
> obvious one, web pages, and the not so obvious, safe command/server
> scripting. I have just implimented a fast-cgi interface to replace the cg=
i
> interface, however, the scripting stuff i had that worked over regular cg=
i
> just doesn't want to work with fast-cgi.
>
> Basically, the php script outputs a command and arguments, all commands
> start with a %, so:
> $var =3D "%print";
> printf("%s hello world\n", $var);
> Can be used to print to the user calling the script.
>
> That part still works fine of course :).
>
> It doesn't stop there however, some of the %callbacks will return strings=
 of
> data over stdin so they can be $var =3D trim(fgets($STDIN)) for a very si=
mple
> and effective method of communicating with the server.
>
> I've tried doing the same with fast-cgi, but it seems
> fopen("php://stdin","r") is not the right place to be reading from.
>
> I'm sending:
>
> (C++)
> // loops over ever line of input, test it
> std::string response =3D processALineFromCGI-OrFastCGIScript(oneLine)
> if(response.compare("NOCMD") =3D=3D 0)
> buffer_to_print_to_user_who_called_this_when_request_finishs();
> else if(response.size() > 0) {
>  std::string sendout =3D FCGI_Headerize(response, FCGI_STDIN, ..);
>  non-blocking_send(sendout);
> }
> oneLine.erase();
> I use the same function to build the headers for FCGI_BEGIN_REQUEST,
> FCGI_PARAMS, FCGI_STDIN on POST input, it works great there(now)
>
>
> Also, is it possible to keep the connection open to php-cgi to avoid
> connect/accept calls? Even if it's only fifo so only 1 request can go at =
a
> time?
>
> If I must I could create a special c++ fast-cgi server that binds a secon=
d
> port to pipe requests from php streams to the server, but would be a MAJO=
R
> hack for what I'm trying to do.. :-D
>
> Thanks in advance!
>
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