use strict;
use HTTP::Proxy qw(:log);

my $proxy = new HTTP::Proxy(
    host     => "localhost",
    port     => 9999,
    logmask  => HEADERS | STATUS,
    agent    => new myagent,
);

unlink "querylog.pl" if -f "querylog.pl";
$proxy->start;
package myagent;

use strict;
use base 'LWP::UserAgent';
use Data::Dumper; local $Data::Dumper::Indent = 1;

sub new {
    my $class = shift;
    my $this  = $class->SUPER::new(@_);

    $this->timeout( 20 );
    $this->agent("SniffProxy/0.9");
    $this->requests_redirectable([qw(GET POST)]);

    return $this;
}

sub simple_request {
    my $this = shift;
    my ($req) = @_;

    if( $req->isa("HTTP::Request") ) { # and $req->method eq "POST" ) {
         open my $out, ">>", "querylog.pl" or die "couldn't open query log: $!";
        print $out "#############################\n# $req->{_method} $req->{_uri}\n# HTTP::Request {", "{{\n";
        print $out "use strict;\n";
        print $out "use URI::http;\n";
        print $out "use HTTP::Request;\n";
        print $out "use LWP::UserAgent;\n";
        print $out "use HTTP::Request::Common qw(POST GET);\n\n";
        print $out "my ", Dumper( $_[0] );
        print $out "# }}", "}\n\n";
        print $out "my \$ua = new LWP::UserAgent;\n";
        print $out "   \$ua->timeout( 10 );\n";
        print $out "   \$ua->requests_redirectable([qw(GET POST)]);\n";
        print $out "\n";
        print $out "\$ua->simple_request( \$VAR1, \"content.dat\" );\n";
        close $out;
    }

    return $this->SUPER::simple_request(@_);
}