1 # Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST
7 use base qw/Class::Accessor/;
8 __PACKAGE__->mk_accessors( qw/
19 use Data::Dump qw/dump/;
20 use Carp qw/confess cluck croak/;
29 CWMP::Session - implement logic of CWMP protocol
35 my $server = CWMP::Session->new({
36 sock => $io_socket_object,
46 my $self = $class->SUPER::new( @_ );
48 confess "need sock" unless $self->sock;
49 confess "need store" unless $self->store;
50 my $peerhost = $self->sock->peerhost || confess "can't get sock->peerhost";
52 $self->debug( 0 ) unless $self->debug;
54 warn "created ", __PACKAGE__, "(", dump( @_ ), ") for $peerhost\n" if $self->debug;
56 my $store_obj = CWMP::Store->new({
57 debug => $self->debug,
61 croak "can't open ", dump( $self->store ), ": $!" unless $store_obj;
63 # FIXME looks ugly. Should we have separate accessor for this?
64 $self->store( $store_obj );
66 $self->create_dump( 1 ) if $self->debug > 2;
71 =head2 process_request
73 One request from client/response from server cycle. Call multiple times to
74 facilitate brain-dead concept of adding state to stateless protocol like
77 If used with debugging level of 3 or more, it will also create dumps of
78 requests named C<< dump/nr.request >> where C<nr> is number from 0 to total number
79 of requests in single session.
88 my $sock = $self->sock || die "no sock?";
90 # die "not IO::Socket::INET but ", ref( $sock ) unless ( ref($sock) eq 'Net::Server::Proto::TCP' );
92 if ( ! $sock->connected ) {
93 warn "SOCKET NOT CONNECTED\n";
97 bless $sock, 'HTTP::Daemon::ClientConn';
99 # why do I have to do this?
100 # solution from http://use.perl.org/~Matts/journal/12896
101 ${*$sock}{'httpd_daemon'} = HTTP::Daemon->new;
103 my $r = $sock->get_request || confess "can't get_request";
105 my $xml = $r->content;
107 my $size = length( $xml );
109 warn "<<<< ", $sock->peerhost, " [" . localtime() . "] ", $r->method, " ", $r->uri, " $size bytes\n";
112 my $file = sprintf("dump/%04d-%s.request", $dump_nr, $sock->peerhost);
114 if ( $self->create_dump ) {
115 write_file( $file, $r->as_string );
116 warn "### request dumped to file: $file\n";
123 die "no SOAPAction header in ",dump($xml) unless defined ( $r->header('SOAPAction') );
125 warn "## request payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
127 $state = CWMP::Request->parse( $xml );
129 if ( defined( $state->{_dispatch} ) && $self->create_dump ) {
130 my $type = sprintf("dump/%04d-%s-%s", $dump_nr, $sock->peerhost, $state->{_dispatch});
131 symlink $file, $type || warn "can't symlink $file -> $type: $!";
134 warn "## acquired state = ", dump( $state ), "\n";
136 if ( ! defined( $state->{DeviceID} ) ) {
137 warn "## state with DeviceID, using old one...\n";
138 $state->{DeviceID} = $self->state->{DeviceID};
141 $self->state( $state );
142 $self->store->update_state( ID => $state->{ID}, $state );
146 warn "## empty request, using last request state\n";
148 $state = $self->state;
149 delete( $state->{_dispatch} );
150 #warn "last request state = ", dump( $state ), "\n" if $self->debug > 1;
154 $sock->send(join("\r\n",
156 'Content-Type: text/xml; charset="utf-8"',
157 'Server: AcmeCWMP/42',
158 'SOAPServer: AcmeCWMP/42'
161 $sock->send( "Set-Cookie: ID=" . $state->{ID} . "; path=/\r\n" ) if ( $state->{ID} );
163 my $uid = $self->store->ID_to_uid( $state->{ID}, $state );
165 my $queue = CWMP::Queue->new({
167 debug => $self->debug,
172 if ( my $dispatch = $state->{_dispatch} ) {
173 $xml = $self->dispatch( $dispatch );
174 } elsif ( $job = $queue->dequeue ) {
175 $xml = $self->dispatch( $job->dispatch );
176 } elsif ( $size == 0 ) {
177 warn ">>> no more queued commands, closing connection to $uid\n";
180 warn ">>> empty response to $uid\n";
181 $state->{NoMoreRequests} = 1;
182 $xml = $self->dispatch( 'xml', sub {} );
185 $sock->send( "Content-Length: " . length( $xml ) . "\r\n\r\n" );
186 $sock->send( $xml ) or die "can't send response";
188 warn ">>>> " . $sock->peerhost . " [" . localtime() . "] sent ", length( $xml )," bytes to $uid\n";
190 $job->finish if $job;
191 warn "### request over for $uid\n" if $self->debug;
193 return 1; # next request
198 $xml = $self->dispatch('Inform', $response_arguments );
200 If debugging level of 3 or more, it will create dumps of responses named C<< dump/nr.response >>
207 my $dispatch = shift || die "no dispatch?";
210 my $response = CWMP::Methods->new({ debug => $self->debug });
212 if ( $response->can( $dispatch ) ) {
213 warn ">>> dispatching to $dispatch with args ",dump( $args ),"\n";
214 my $xml = $response->$dispatch( $self->state, $args );
215 warn "## response payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
216 if ( $self->create_dump ) {
217 my $file = sprintf("dump/%04d-%s.response", $dump_nr++, $self->sock->peerhost);
218 write_file( $file, $xml );
219 warn "### response dump: $file\n";
223 confess "can't dispatch to $dispatch";
230 return $self->error( 501, 'System error' );
235 my ($self, $number, $msg) = @_;
237 $self->sock->send( "HTTP/1.1 $number $msg\r\n" );
238 warn "Error - $number - $msg\n";
239 return 0; # close connection