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Matts (1087)

Matts
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I work for MessageLabs [messagelabs.com] in Toronto, ON, Canada. I write spam filters, MTA software, high performance network software, string matching algorithms, and other cool stuff mostly in Perl and C.

Journal of Matts (1087)

Tuesday June 17, 2003
05:02 AM

non-strict OO

[ #12896 ]

Some people say that perl's OO is far too easy to circumvent. I say phooey.

Here's a recent email discussion with a colleague:

> > I want to use the HTTP parsing bit of HTTP::Daemon using
> > STDIN instead of a client socket.
>
> OK, try this, it *might* just work...:
>
> use IO::Handle;
> use HTTP::Daemon;
> @HTTP::Daemon::ClientConn::ISA = ('IO::Handle');
> my $daemon = IO::Handle->new();
> $daemon->fdopen(fileno(STDIN), "r");
> bless($daemon, 'HTTP::Daemon::ClientConn');
>
> my $req = $daemon->get_request();
 
It almosts works :)
 
[arnaud@arnaud-dev arnaud]$ perl http.pl
GET /something
Can't call method "url" on an undefined value at
/usr/lib/perl5/site_perl/5.005/HTTP/Daemon.pm line 270.
 
get_requests uses ${*$self}{'httpd_daemon'} which is set in
HTTP::Daemon->accept. It seems to be an HTTP::Daemon object..
 
I haven't fully understood why yet, but adding
  ${*$daemon}{'httpd_daemon'} = HTTP::Daemon->new;
after bless() seems to work :)
 
[arnaud@arnaud-dev arnaud]$ perl http.pl
GET /something
GET
/something
 
(I added print $req->method and uri)
 
Cool! I can now pipe http requests from stunnel into an
RPC::XML perl script :)

Et voila! An SSL enabled HTTP server in pure perl in a few lines of code, all thanks to being able to hack @ISA.

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  • Egads... (Score:3, Insightful)

    by rjray (1649) on 2003.06.17 20:47 (#21179) Homepage Journal

    This is made even more twisted by the fact that I'm doing the same thing within RPC::XML::Server when the user opts for Net::Server over HTTP::Daemon. Unfortunately, I still have to load the latter, since I don't want to re-write the HTTP header-parsing code Gisle has already done. I'd love to have that part in a separately-loadable chunk.

    You know, in theory you should be able to use SSL sockets with my module directly, but I think I have an as-yet-unapplied patch somewhere that the server class needs...

    --

    --rjray