lib/CWMP/Session.pm

# Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST
package CWMP::Server;

use strict;
use warnings;

use base qw/HTTP::Server::Simple::CGI Class::Accessor/;
__PACKAGE__->mk_accessors( qw/
debug
/ );

use Data::Dump qw/dump/;
use CWMP::Request;
use CWMP::Response;

=head1 NAME

CWMP::Server - implement logic of CWMP protocol

=head1 METHODS

=head2 handler

We override L<HTTP::Server::Simple::CGI/handler> so that we can support
chunked transfer encoding.

=cut

sub handler {
    my $self = shift;

    my $chunk;

        my $transfer_encoding = $self->header('Transfer-Encoding');

        if ( $transfer_encoding && $transfer_encoding =~ qr/^chunked/i ) {

                my $len = 0;
                my $hex;
                do {
                        $hex = <STDIN>;         # get chunk length
                        $hex =~ s/[\n\r]*$//s;
                        $len = hex( $hex );

                        warn "getting chunk of 0x$hex $len bytes\n" if $self->debug;

                        while( $len > 0 ) {
                                my $line = <STDIN>;
                                $chunk .= $line;
                                $len -= length( $line );
                        }

                } while ( hex( $hex ) != 0 );
        }

        warn "handler got ", length($chunk), " bytes\n" if $self->debug;

    my $cgi  = new CGI( $chunk );

    eval { $self->handle_request($cgi) };
    if ($@) {
        my $error = $@;
        warn $error;
    }
}

=head2 handle_request

Implementation of dispatch logic

=cut

sub handle_request {
        my ($self, $cgi) = @_;
                                                                    
        #... do something, print output to default
        # selected filehandle...

        warn ">> " . localtime() . " " . $ENV{REMOTE_ADDR} . "\n";

        warn "not SOAP request" unless defined ( $cgi->header('SOAPAction') );

        if ( my $payload = $cgi->param('POSTDATA') ) {
                warn "request payload:\n$payload\n" if $self->debug;

                my $state = CWMP::Request->parse( $payload );

                warn "acquired state = ", dump( $state );
        
        }

        my $response = CWMP::Response->new({ debug => $self->debug });

        print "Content-Type: text/xml\r\n\r\n";

        print $response->Inform;
        
};

1;

1	dpavlin	30	# Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST
2			package CWMP::Server;
3
4			use strict;
5			use warnings;
6
7			use base qw/HTTP::Server::Simple::CGI Class::Accessor/;
8			__PACKAGE__->mk_accessors( qw/
9			debug
10			/ );
11
12			use Data::Dump qw/dump/;
13	dpavlin	35	use CWMP::Request;
14			use CWMP::Response;
15	dpavlin	30
16	dpavlin	34	=head1 NAME
17
18			CWMP::Server - implement logic of CWMP protocol
19
20			=head1 METHODS
21
22			=head2 handler
23
24			We override L<HTTP::Server::Simple::CGI/handler> so that we can support
25			chunked transfer encoding.
26
27			=cut
28
29	dpavlin	30	sub handler {
30			my $self = shift;
31
32			my $chunk;
33
34			my $transfer_encoding = $self->header('Transfer-Encoding');
35
36			if ( $transfer_encoding && $transfer_encoding =~ qr/^chunked/i ) {
37
38	dpavlin	31	my $len = 0;
39	dpavlin	35	my $hex;
40	dpavlin	30	do {
41	dpavlin	35	$hex = <STDIN>; # get chunk length
42			$hex =~ s/[\n\r]*$//s;
43			$len = hex( $hex );
44	dpavlin	30
45	dpavlin	35	warn "getting chunk of 0x$hex $len bytes\n" if $self->debug;
46	dpavlin	30
47			while( $len > 0 ) {
48			my $line = <STDIN>;
49			$chunk .= $line;
50			$len -= length( $line );
51			}
52
53	dpavlin	35	} while ( hex( $hex ) != 0 );
54	dpavlin	30	}
55
56	dpavlin	35	warn "handler got ", length($chunk), " bytes\n" if $self->debug;
57	dpavlin	30
58			my $cgi = new CGI( $chunk );
59
60			eval { $self->handle_request($cgi) };
61			if ($@) {
62			my $error = $@;
63			warn $error;
64			}
65			}
66
67	dpavlin	34	=head2 handle_request
68
69			Implementation of dispatch logic
70
71			=cut
72
73	dpavlin	30	sub handle_request {
74			my ($self, $cgi) = @_;
75
76			#... do something, print output to default
77			# selected filehandle...
78
79	dpavlin	34	warn ">> " . localtime() . " " . $ENV{REMOTE_ADDR} . "\n";
80	dpavlin	30
81			warn "not SOAP request" unless defined ( $cgi->header('SOAPAction') );
82
83	dpavlin	34	if ( my $payload = $cgi->param('POSTDATA') ) {
84			warn "request payload:\n$payload\n" if $self->debug;
85	dpavlin	30
86	dpavlin	34	my $state = CWMP::Request->parse( $payload );
87
88			warn "acquired state = ", dump( $state );
89
90			}
91
92	dpavlin	35	my $response = CWMP::Response->new({ debug => $self->debug });
93	dpavlin	34
94	dpavlin	30	print "Content-Type: text/xml\r\n\r\n";
95
96	dpavlin	34	print $response->Inform;
97
98	dpavlin	30	};
99
100			1;
101