1 # Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST
7 use base qw/Class::Accessor/;
8 __PACKAGE__->mk_accessors( qw/
18 use Data::Dump qw/dump/;
19 use Carp qw/carp confess cluck croak/;
25 #use Devel::LeakTrace::Fast;
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 store" unless $self->store;
50 $self->debug( 0 ) unless $self->debug;
52 my $store_obj = CWMP::Store->new({
53 debug => $self->debug,
57 croak "can't open ", dump( $self->store ), ": $!" unless $store_obj;
59 # FIXME looks ugly. Should we have separate accessor for this?
60 $self->store( $store_obj );
62 $self->create_dump( 1 ) if $self->debug > 2;
68 'InternetGatewayDevice.ManagementServer.PeriodicInformEnable' => 1,
69 'InternetGatewayDevice.ManagementServer.PeriodicInformInterval' => 17,
70 'InternetGatewayDevice.DeviceInfo.ProvisioningCode' => 'test provision',
76 my ( $self, $uid, $stored, $queue ) = @_;
77 warn "# vendor_hook $uid ",dump($stored) if $self->debug > 2;
81 foreach my $n ( keys %$vendor_data ) {
82 if ( $vendor_data->{$n} ne $stored->{$n} ) {
83 next if $set_tried->{$uid}->{$n}++;
85 $queue->enqueue( 'SetParameterValues', { $n => $vendor_data->{$n} } );
90 $queue->enqueue( 'GetParameterValues', [ @refresh ] );
91 warn "vendor_hook $uid SetParameterValues ", dump( @refresh );
92 return $self->dispatch( 'GetParameterValues', [ @refresh ] );
98 =head2 process_request
100 One request from client/response from server cycle. Call multiple times to
101 facilitate brain-dead concept of adding state to stateless protocol like
104 If used with debugging level of 3 or more, it will also create dumps of
105 requests named C<< dump/nr.request >> where C<nr> is number from 0 to total number
106 of requests in single session.
111 sub process_request {
112 my ( $self, $ip, $xml ) = @_;
114 my $size = length( $xml );
120 warn "## request payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
122 $state = CWMP::Parser->parse( $xml );
124 warn "## acquired state = ", dump( $state ), "\n" if $self->debug;
126 if ( ! defined( $state->{DeviceId} ) ) {
127 if ( $self->state ) {
128 warn "## state without DeviceId, using old one...\n";
129 $state->{DeviceId} = $self->state->{DeviceId};
131 warn "WARNING: state without DeviceId, and I don't have old one!\n";
132 warn "## state = ",dump( $state );
136 $self->state( $state );
137 $self->store->update_state( $state );
141 warn "## empty request, using last request state\n";
143 $state = $self->state;
144 delete( $state->{_dispatch} );
145 #warn "last request state = ", dump( $state ), "\n" if $self->debug > 1;
148 my $uid = $self->store->state_to_uid( $state );
150 my $to_uid = join(" ", grep { defined($_) } "to $uid",
152 $state->{Parameter}->{'InternetGatewayDevice.DeviceInfo.HardwareVersion'},
154 $state->{Parameter}->{'InternetGatewayDevice.DeviceInfo.SoftwareVersion'},
156 # $state->{Parameter}->{'InternetGatewayDevice.DeviceSummary'},
159 my $queue = CWMP::Queue->new({
161 debug => $self->debug,
165 if ( my $dispatch = $state->{_dispatch} ) {
166 $xml = $self->dispatch( $dispatch );
167 } elsif ( my $job = $queue->dequeue ) {
168 $xml = $self->dispatch( $job->dispatch );
171 my $stored = $self->store->get_state( $uid );
172 if ( ! defined $stored->{ParameterInfo} ) {
173 $xml = $self->dispatch( 'GetParameterNames', [ 'InternetGatewayDevice.', 1 ] );
176 grep { m/\.$/ && ! m/\.\d+\.$/ }
177 keys %{ $stored->{ParameterInfo} }
180 warn "# GetParameterNames ", dump( @params );
181 my $first = shift @params;
182 delete $stored->{ParameterInfo}->{$first};
183 $xml = $self->dispatch( 'GetParameterNames', [ $first, 1 ] );
184 foreach ( @params ) {
185 $queue->enqueue( 'GetParameterNames', [ $_, 1 ] );
186 delete $stored->{ParameterInfo}->{ $_ };
188 $self->store->set_state( $uid, $stored );
192 grep { ! exists $stored->{Parameter}->{$_} }
193 grep { ! m/\.$/ && ! m/NumberOfEntries/ }
194 keys %{ $stored->{ParameterInfo} }
197 warn "# GetParameterValues ", dump( @params );
198 my $first = shift @params;
199 $xml = $self->dispatch( 'GetParameterValues', [ $first ] );
201 my @chunk = splice @params, 0, 16; # FIXME 16 seems to be max
202 $queue->enqueue( 'GetParameterValues', [ @chunk ] );
205 } elsif ( $xml = $self->vendor_hook( $uid, $stored, $queue ) ) {
207 warn "vendor_hook triggered\n";
211 warn ">>> empty response $to_uid";
212 $state->{NoMoreRequests} = 1;
220 my $status = length($xml) ? 200 : 204;
222 my $out = join("\r\n",
223 "HTTP/1.1 $status OK",
224 'Content-Type: text/xml; charset="utf-8"',
225 'Server: Perl-CWMP/42',
226 'SOAPServer: Perl-CWMP/42'
229 $out .= "Set-Cookie: ID=" . $state->{ID} . "; path=/\r\n" if $state->{ID};
231 $out .= "Content-Length: " . length( $xml ) . "\r\n\r\n";
232 $out .= $xml if length($xml);
234 warn "### request over for $uid\n" if $self->debug;
236 return $out; # next request
241 $xml = $self->dispatch('Inform', $response_arguments );
243 If debugging level of 3 or more, it will create dumps of responses named C<< dump/nr.response >>
250 my $dispatch = shift || die "no dispatch?";
253 my $response = CWMP::Methods->new({ debug => $self->debug });
255 if ( $response->can( $dispatch ) ) {
256 warn ">>> dispatching to $dispatch with args ",dump( $args ),"\n";
257 my $xml = $response->$dispatch( $self->state, $args );
258 warn "## response payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
261 confess "can't dispatch to $dispatch";
268 return $self->error( 501, 'System error' );
273 my ($self, $number, $msg) = @_;
275 $self->sock->send( "HTTP/1.1 $number $msg\r\n" );
276 warn "Error - $number - $msg\n";
277 return 0; # close connection