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BooK (2612)

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Yahoo! ID: philippe_bruhat (Add User, Send Message)

Obfuscation []. Pink []. HTTP::Proxy []. YEF []. Fishnet []. Kapow []. Cog's [] bitch []. Invitation []. White [] Camel []. Nuff' said.

Journal of BooK (2612)

Tuesday February 18, 2003
06:46 PM

HTTP::Proxy now supports persistent connections!

[ #10654 ]

Yay! I finally managed to get some performance out of this module by allowing it to handle persistent connections in HTTP/1.1. This is all in version 0.07!

Sometimes there's no other way than cut'n'paste.

HTTP::Proxy is nothing more than a HTTP::Daemon and a LWP::UserAgent in close collaboration (as can be seen in merlyn's, Abigail's or rafael's code).

I did in fact paint myself in a corner by doing only what was rational: using the callback version of LWP::UserAgent simple_request() method. This enables the proxy to begin sending a response while it's still busy receiving it.

Well, HTTP::Daemon supports persistent connections, but the code that does this is in send_response() (which I didn't use at first...) works well with persistent connections when used with either a full response (which I cannot have, since I use a callback with LWP::UA) or a... callback as the content() of the HTTP::Response to send.

So I simply cut the perfect code for the task out of HTTP::Daemon, and pasted it in the callback that HTTP::Proxy gives to LWP::UA.

By now, I begin to find my way both in RFC 2616 and libwww-perl's source code. :-)

If only I could make this work under Windows...

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  • Pity you didn't implement HTTP::Proxy using POE. No need to fork, better portability ...

    Ilya Martynov ( [])

    • Yeah, yeah, I've been told that several times. :-)

      I'd like to work on a POE::Component that would do what HTTP::Proxy does. It's just that I was too lazy to learn POE. And I have so much to do until HTTP::Proxy is actually usable for more than simple HTTP requests to HTTP::Proxy (the filtering system is the most exciting part of HTTP::Proxy, and it need some more work, and a decent API). So I guess this will happen, but only later, someday.

      I'll soon add the capability to answer CONNECT requests (based on

      • Beware that POE is likely to require very different design of API (because it must be event based). If you decide at some point to port HTTP::Proxy to POE this port will not straight-forward.

        Ilya Martynov ( [])