/[cwmp]/google/trunk/lib/CWMP/Session.pm
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google/lib/CWMP/Server.pm revision 54 by dpavlin, Wed Jun 20 20:24:34 2007 UTC google/lib/CWMP/Session.pm revision 110 by dpavlin, Sun Oct 21 01:33:53 2007 UTC
# Line 1  Line 1 
1  # Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST  # Dobrica Pavlinusic, <dpavlin@rot13.org> 06/18/07 10:19:50 CEST
2  package CWMP::Server;  package CWMP::Session;
3    
4  use strict;  use strict;
5  use warnings;  use warnings;
# Line 7  use warnings; Line 7  use warnings;
7  use base qw/Class::Accessor/;  use base qw/Class::Accessor/;
8  __PACKAGE__->mk_accessors( qw/  __PACKAGE__->mk_accessors( qw/
9  debug  debug
10  port  store_path
11    
12  sock  sock
13  state  state
14  queue  queue
15    store
16  / );  / );
17    
18  use IO::Socket::INET;  use HTTP::Daemon;
19  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
20    use Carp qw/confess cluck croak/;
21    
22  use CWMP::Request;  use CWMP::Request;
23  use CWMP::Response;  use CWMP::Response;
24  use Carp qw/confess cluck/;  use CWMP::Store;
25    
26  =head1 NAME  =head1 NAME
27    
28  CWMP::Server - implement logic of CWMP protocol  CWMP::Session - implement logic of CWMP protocol
29    
30  =head1 METHODS  =head1 METHODS
31    
32  =head2 new  =head2 new
33    
34    my $server = CWMP::Server->new({ port => 3333 });    my $server = CWMP::Session->new({
35            sock => $io_socket_object,
36            store_path => 'state.db',
37            queue => [ qw/GetRPCMethods GetParameterNames/ ],
38            debug => 1,
39      });
40    
41  =head2 run  =cut
42    
43    $server->run();  sub new {
44            my $class = shift;
45            my $self = $class->SUPER::new( @_ );
46    
47  =cut          confess "need sock" unless $self->sock;
48    
49  sub run {          $self->debug( 0 ) unless $self->debug;
         my $self = shift;  
50    
51          my $listen = IO::Socket::INET->new(          warn "created ", __PACKAGE__, "(", dump( @_ ), ") for ", $self->sock->peerhost, "\n" if $self->debug;
                 Listen    => 5,  
 #               LocalAddr => 'localhost',  
                 LocalPort => $self->port,  
                 Proto     => 'tcp',  
                 Blocking  => 1,  
                 ReuseAddr => 1,  
         );  
   
         warn "ACS waiting for request on port ", $self->port,  
                 $self->queue ? " queue ( " . join(",",@{$self->queue}) . " )" : "",  
                 "\n";  
   
         while ( my $sock = $listen->accept ) {  
                 $sock->autoflush(1);  
   
                 warn "connection from ", $sock->peerhost, "\n" if $self->debug;  
   
                 $self->sock( $sock );   # FIXME this will not work for multiple clients  
                 while ( $self->process_request ) {  
                         warn "...another one bites a dust...\n";  
                 }  
52    
53                  warn "...returning to accepting new connections\n";          $self->store( CWMP::Store->new({
54          }                  debug => $self->debug,
55                    path => $self->store_path,
56            }) );
57    
58            croak "can't open ", $self->store_path, ": $!" unless $self->store;
59    
60            return $self;
61  }  }
62    
63  =head2 process_request  =head2 process_request
# Line 78  sub process_request { Line 73  sub process_request {
73    
74          my $sock = $self->sock || die "no sock?";          my $sock = $self->sock || die "no sock?";
75    
76          die "not IO::Socket::INET but ", ref( $sock ) unless ( ref($sock) eq 'IO::Socket::INET' );  #       die "not IO::Socket::INET but ", ref( $sock ) unless ( ref($sock) eq 'Net::Server::Proto::TCP' );
77    
78          if ( ! $sock->connected ) {          if ( ! $sock->connected ) {
79                  warn "SOCKET NOT CONNECTED\n";                  warn "SOCKET NOT CONNECTED\n";
80                  return 0;                  return 0;
81          }          }
82    
83          $sock->autoflush( 1 );          bless $sock, 'HTTP::Daemon::ClientConn';
         $sock->blocking( 1 );  
   
         ### read the first line of response  
         my $line = $sock->getline;  
         return $self->error(400, "No Data") unless ( defined $line );  
   
         $line =~ s/[\r\n]+$//;  
         if ($line !~ /^ (\w+) \ + (\S+) \ + (HTTP\/1.\d) $ /x) {  
                 warn "ERROR: $line\n";  
                 return $self->error(400, "Bad request");  
         }  
         my ($method, $req, $protocol) = ($1, $2, $3);  
         warn "<<<< ", $sock->peerhost, " - - [" . localtime() . "] \"$method $req $protocol\"\n";  
   
         ### read in other headers  
         $self->read_headers || return $self->error(400, "Strange headers");  
   
         ### do we support the type  
 #       if ($method !~ /GET|POST|HEAD/) {  
         if ($method !~ /POST/) {  
                 return $self->error(400, "Unsupported Method");  
         }  
   
     my $chunk;  
         my $transfer_encoding = $self->header('Transfer-Encoding');  
   
         if ( $transfer_encoding && $transfer_encoding =~ qr/^chunked/i ) {  
   
                 my $len = 0;  
   
                 do {  
   
                         warn "get chunk len\n" if $self->debug;  
                           
                         my $hex;  
                         do {  
                                 $hex = $sock->getline;  
                                 $hex =~ s/[\n\r]+$//;  
                         } until ( $hex ne '' );  
   
                         die "chunk size not valid hex: $hex" unless ( $hex =~ m/^[0-9a-f]+$/i);  
                         $len = hex( $hex );  
   
                         warn "getting chunk of $len bytes\n" if $self->debug;  
84    
85                          $sock->read( my $buff, $len );          # why do I have to do this?
86                          $chunk .= $buff;          # solution from http://use.perl.org/~Matts/journal/12896
87            ${*$sock}{'httpd_daemon'} = HTTP::Daemon->new;
88    
89                          warn "--- $len bytes: --=>||$buff||<=--\n" if $self->debug;          my $r = $sock->get_request || confess "can't get_request";
90    
91                  } while ( $len > 0 );          warn "<<<< ", $sock->peerhost, " - - [" . localtime() . "] ", $r->method, " ", $r->uri, "\n";
                 my $sep = $sock->getline;  
                 die "expected separator, not ", dump( $sep ) if ( $sep !~ m/^[\n\r]+$/ );  
92    
93          } else {          my $chunk = $r->content;
                 die "right now, we support only Transfer-Encoding: chunked";  
         }  
94    
95          my $size = length( $chunk );          my $size = length( $chunk );
96    
97          warn "<<< " . $sock->peerhost . " [" . localtime() . "] request $size bytes\n";          warn "<<<< " . $sock->peerhost . " [" . localtime() . "] request $size bytes\n";
98    
99          my $state;          my $state;
100    
101          if ( $size > 0 ) {          if ( $size > 0 ) {
102    
103                  die "no SOAPAction header in ",dump($chunk) unless defined ( $self->header('SOAPAction') );                  die "no SOAPAction header in ",dump($chunk) unless defined ( $r->header('SOAPAction') );
104    
105    
106                  if ( $chunk ) {                  if ( $chunk ) {
# Line 160  sub process_request { Line 108  sub process_request {
108    
109                          $state = CWMP::Request->parse( $chunk );                          $state = CWMP::Request->parse( $chunk );
110    
111                          warn "acquired state = ", dump( $state ), "\n";                          warn "## acquired state = ", dump( $state ), "\n";
112    
113                          $self->state( $state );                          $self->state( $state );
114                            $self->store->update_state( ID => $state->{ID}, $state );
115    
116                  } else {                  } else {
117                          warn "empty request\n";                          warn "## empty request\n";
118                  }                  }
119    
120          } else {          } else {
121                  $state = $self->state;                  $state = $self->state;
122                  warn "last request state = ", dump( $state ), "\n";                  warn "last request state = ", dump( $state ), "\n" if $self->debug > 1;
123          }          }
124    
125    
# Line 201  sub process_request { Line 150  sub process_request {
150          $sock->send( "Content-Length: " . length( $xml ) . "\r\n\r\n" );          $sock->send( "Content-Length: " . length( $xml ) . "\r\n\r\n" );
151          $sock->send( $xml ) or die "can't send response";          $sock->send( $xml ) or die "can't send response";
152    
153          warn "### request over";          warn ">>>> " . $sock->peerhost . " [" . localtime() . "] sent ", length( $xml )," bytes\n";
154    
155            warn "### request over\n" if $self->debug;
156    
157            return 1;       # next request
158  };  };
159    
160  =head2 dispatch  =head2 dispatch
# Line 220  sub dispatch { Line 172  sub dispatch {
172    
173          if ( $response->can( $dispatch ) ) {          if ( $response->can( $dispatch ) ) {
174                  warn ">>> dispatching to $dispatch\n";                  warn ">>> dispatching to $dispatch\n";
175                  my $xml = $response->$dispatch( $self->state, @_ ) . "\r\n";                  my $xml = $response->$dispatch( $self->state, @_ );
176                  warn "## response payload: ",length($xml)," bytes\n$xml\n" if $self->debug;                  warn "## response payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
177                  return $xml;                  return $xml;
178          } else {          } else {
# Line 228  sub dispatch { Line 180  sub dispatch {
180          }          }
181  };  };
182    
 =head2 read_headers  
   
 parse headers from request  
   
 =cut  
   
 sub read_headers {  
   my $self = shift;  
   
   $self->{headers} = {};  
   
   while (defined($_ = $self->sock->getline)) {  
     s/[\r\n]+$//;  
     last unless length $_;  
         warn "-- $_\n" if $self->debug;  
     return 0 if ! /^ ([\w\-]+) :[\ \t]* (.*) $/x;  
     $self->{headers}->{$1} = $2;  
   }  
   
   return 1;  
 }  
   
 =head2 header  
   
 Getter for specific header  
   
   $self->header('Cookies');  
   
 =cut  
   
 sub header {  
         my $self = shift;  
         my $header = shift || die "no header?";  
         if ( defined( $self->{headers}->{$header} )) {  
                 return $self->{headers}->{$header};  
         } else {  
                 return;  
         }  
 }  
183    
184  =head2 error  =head2 error
185    
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