/[cwmp]/google/trunk/lib/CWMP/Session.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Diff of /google/trunk/lib/CWMP/Session.pm

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 42 by dpavlin, Tue Jun 19 18:37:24 2007 UTC revision 55 by dpavlin, Wed Jun 20 20:49:53 2007 UTC
# Line 9  __PACKAGE__->mk_accessors( qw/ Line 9  __PACKAGE__->mk_accessors( qw/
9  debug  debug
10  port  port
11  sock  sock
12    state
13    queue
14  / );  / );
15    
16  use IO::Socket::INET;  use IO::Socket::INET;
# Line 45  sub run { Line 47  sub run {
47                  ReuseAddr => 1,                  ReuseAddr => 1,
48          );          );
49    
50          warn "waiting for request on port ", $self->port, $/;          warn "ACS waiting for request on port ", $self->port,
51                    $self->queue ? " queue ( " . join(",",@{$self->queue}) . " )" : "",
52                    "\n";
53    
54            warn "## debug level: ", $self->debug, "\n" if $self->debug;
55    
56          while ( my $sock = $listen->accept ) {          while ( my $sock = $listen->accept ) {
57                  $sock->autoflush(1);                  $sock->autoflush(1);
58    
59                  warn "connection from ", $sock->peerhost, "\n";                  warn "connection from ", $sock->peerhost, "\n" if $self->debug;
60    
61                  $self->sock( $sock );   # FIXME this will not work for multiple clients                  $self->sock( $sock );   # FIXME this will not work for multiple clients
62                  while ( $self->process_request ) {                  while ( $self->process_request ) {
63                          warn "...another one bites a dust...\n";                          warn "...another one bites the dust...\n";
64                  }                  }
65    
66                  warn "...returning to accepting new connections\n";                  warn "...returning to accepting new connections\n";
67          }          }
68  }  }
69    
70    =head2 process_request
71    
72    One request from client/response from server cycle. Call multiple times to
73    facilitate brain-dead concept of adding state to stateless protocol like
74    HTTP.
75    
76    =cut
77    
78  sub process_request {  sub process_request {
79          my $self = shift;          my $self = shift;
80    
# Line 69  sub process_request { Line 83  sub process_request {
83          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 'IO::Socket::INET' );
84    
85          if ( ! $sock->connected ) {          if ( ! $sock->connected ) {
86                  warn "SOCKET NOT CONNECTED";                  warn "SOCKET NOT CONNECTED\n";
87                  return 0;                  return 0;
88          }          }
89    
# Line 77  sub process_request { Line 91  sub process_request {
91          $sock->blocking( 1 );          $sock->blocking( 1 );
92    
93          ### read the first line of response          ### read the first line of response
94          my $line = $sock->getline || $self->error(400, "No Data");          my $line = $sock->getline;
95            return $self->error(400, "No Data") unless ( defined $line );
96    
97          $line =~ s/[\r\n]+$//;          $line =~ s/[\r\n]+$//;
98          if ($line !~ /^ (\w+) \ + (\S+) \ + (HTTP\/1.\d) $ /x) {          if ($line !~ /^ (\w+) \ + (\S+) \ + (HTTP\/1.\d) $ /x) {
99                    warn "ERROR: $line\n";
100                  return $self->error(400, "Bad request");                  return $self->error(400, "Bad request");
101          }          }
102          my ($method, $req, $protocol) = ($1, $2, $3);          my ($method, $req, $protocol) = ($1, $2, $3);
103          warn "<<<< ",join(" ", time, $method, $req)."\n";          warn "<<<< ", $sock->peerhost, " - - [" . localtime() . "] \"$method $req $protocol\"\n";
104    
105          ### read in other headers          ### read in other headers
106          $self->read_headers || return $self->error(400, "Strange headers");          $self->read_headers || return $self->error(400, "Strange headers");
# Line 120  sub process_request { Line 136  sub process_request {
136                          $sock->read( my $buff, $len );                          $sock->read( my $buff, $len );
137                          $chunk .= $buff;                          $chunk .= $buff;
138    
139                          warn "--- $len bytes: --=>||$buff||<=--\n";                          warn "--- $len bytes: --=>||$buff||<=--\n" if $self->debug;
140    
141                  } while ( $len > 0 );                  } while ( $len > 0 );
142                    my $sep = $sock->getline;
143                    die "expected separator, not ", dump( $sep ) if ( $sep !~ m/^[\n\r]+$/ );
144    
145          } else {          } else {
146                  die "right now, we support only Transfer-Encoding: chunked";                  die "right now, we support only Transfer-Encoding: chunked";
147          }          }
148    
149          warn "handler got ", length($chunk), " bytes\n" if $self->debug;          my $size = length( $chunk );
   
         warn "<<< " . localtime() . " " . $sock->peerhost . "\n";  
150    
151          die "not SOAP request" unless defined ( $self->header('SOAPAction') );          warn "<<< " . $sock->peerhost . " [" . localtime() . "] request $size bytes\n";
152    
153          my $state;          my $state;
154    
155          if ( $chunk ) {          if ( $size > 0 ) {
                 warn "## request chunk: ",length($chunk)," bytes\n$chunk\n" if $self->debug;  
156    
157                  $state = CWMP::Request->parse( $chunk );                  die "no SOAPAction header in ",dump($chunk) unless defined ( $self->header('SOAPAction') );
158    
159    
160                    if ( $chunk ) {
161                            warn "## request chunk: ",length($chunk)," bytes\n$chunk\n" if $self->debug;
162    
163                            $state = CWMP::Request->parse( $chunk );
164    
165                            warn "acquired state = ", dump( $state ), "\n";
166    
167                            $self->state( $state );
168    
169                    } else {
170                            warn "empty request\n";
171                    }
172    
                 warn "acquired state = ", dump( $state ), "\n";  
           
173          } else {          } else {
174                  warn "empty request\n";                  $state = $self->state;
175                    warn "last request state = ", dump( $state ), "\n";
176          }          }
177    
178    
179          my $response = CWMP::Response->new({ debug => $self->debug });          $sock->send(join("\r\n",
180                    'HTTP/1.1 200 OK',
181          $sock->send(                  'Content-Type: text/xml; charset="utf-8"',
182                  $self->status(200),                  'Server: AcmeCWMP/42',
183                  $self->content_type('text/xml; charset="utf-8"'),                  'SOAPServer: AcmeCWMP/42'
184                  "Server: AcmeCWMP/42\r\n",          )."\r\n");
                 "SOAPServer: AcmeCWMP/42\r\n"  
         );  
185    
186          $sock->send( "Set-Cookie: ID=" , $state->{ID}, "; path=/\r\n" ) if ( $state->{ID} );          $sock->send( "Set-Cookie: ID=" . $state->{ID} . "; path=/\r\n" ) if ( $state->{ID} );
187                    
188          my $xml = '';          my $xml = '';
189    
190          if ( my $dispatch = $state->{_dispatch} ) {          if ( my $dispatch = $state->{_dispatch} ) {
191                  if ( $response->can( $dispatch ) ) {                  $xml = $self->dispatch( $dispatch );
192                          warn ">>> dispatching to $dispatch\n";          } elsif ( $dispatch = shift @{ $self->queue } ) {
193                          $xml = $response->$dispatch( $state ) . "\r\n";                  $xml = $self->dispatch( $dispatch );
194                          warn "## response payload: ",length($xml)," bytes\n$xml\n";          } elsif ( $size == 0 ) {
195                  } else {                  warn ">>> closing connection\n";
196                          confess "can't dispatch to $dispatch";                  return 0;
                 }  
197          } else {          } else {
198                  warn ">>> empty response\n";                  warn ">>> empty response\n";
199                    $state->{NoMoreRequests} = 1;
200                    $xml = $self->dispatch( 'xml', sub {} );
201          }          }
202    
203          $sock->send( "Content-length: ", length( $xml ), "\r\n\r\n" );          $sock->send( "Content-Length: " . length( $xml ) . "\r\n\r\n" );
204          $sock->send( "$xml\r\n" ) or die "can't send response";          $sock->send( $xml ) or die "can't send response";
205    
206          warn "### request over";          warn "### request over";
207    
208  };  };
209    
210    =head2 dispatch
211    
212      $xml = $self->dispatch('Inform', $response_arguments );
213    
214    =cut
215    
216    sub dispatch {
217            my $self = shift;
218    
219            my $dispatch = shift || die "no dispatch?";
220    
221            my $response = CWMP::Response->new({ debug => $self->debug });
222    
223            if ( $response->can( $dispatch ) ) {
224                    warn ">>> dispatching to $dispatch\n";
225                    my $xml = $response->$dispatch( $self->state, @_ ) . "\r\n";
226                    warn "## response payload: ",length($xml)," bytes\n$xml\n" if $self->debug;
227                    return $xml;
228            } else {
229                    confess "can't dispatch to $dispatch";
230            }
231    };
232    
233    =head2 read_headers
234    
235    parse headers from request
236    
237    =cut
238    
239  sub read_headers {  sub read_headers {
240    my $self = shift;    my $self = shift;
# Line 189  sub read_headers { Line 244  sub read_headers {
244    while (defined($_ = $self->sock->getline)) {    while (defined($_ = $self->sock->getline)) {
245      s/[\r\n]+$//;      s/[\r\n]+$//;
246      last unless length $_;      last unless length $_;
247          warn "-- $_\n";          warn "-- $_\n" if $self->debug;
248      return 0 if ! /^ ([\w\-]+) :[\ \t]* (.*) $/x;      return 0 if ! /^ ([\w\-]+) :[\ \t]* (.*) $/x;
249      $self->{headers}->{$1} = $2;      $self->{headers}->{$1} = $2;
250    }    }
# Line 197  sub read_headers { Line 252  sub read_headers {
252    return 1;    return 1;
253  }  }
254    
255    =head2 header
256    
257    Getter for specific header
258    
259      $self->header('Cookies');
260    
261    =cut
262    
263  sub header {  sub header {
264          my $self = shift;          my $self = shift;
265          my $header = shift || die "no header?";          my $header = shift || die "no header?";
# Line 207  sub header { Line 270  sub header {
270          }          }
271  }  }
272    
273  sub content_type {  =head2 error
   my ($self, $type) = @_;  
   $self->http_header;  
   return "Content-type: $type\r\n";  
 }  
274    
275  sub error{    return $self->error( 501, 'System error' );
   my ($self, $number, $msg) = @_;  
   $self->sock->send( $self->status($number, $msg), "\r\n" );  
   warn "Error - $number - $msg\n";  
 }  
276    
277  sub status {  =cut
   my ($self, $number, $msg) = @_;  
   $msg = '' if ! defined $msg;  
   return if $self->http_header($number);  
   return "Status $number: $msg\r\n";  
 }  
278    
279  sub http_header {  sub error {
280    my $self = shift;    my ($self, $number, $msg) = @_;
281    my $number = shift || 200;    $msg ||= 'ERROR';
282    return if ! delete $self->{needs_header};    $self->sock->send( "HTTP/1.1 $number $msg\r\n" );
283    $self->sock->send("HTTP/1.0 $number\r\n");    warn "Error - $number - $msg\n";
284    return 1;    return 0;     # close connection
285  }  }
286    
287  1;  1;
Legend:
Removed from v.42  
changed lines
  Added in v.55
  ViewVC Help
Powered by ViewVC 1.1.26