1 package Catalyst::Engine::HTTP;
4 use base 'Catalyst::Engine::CGI';
5 use Errno 'EWOULDBLOCK';
12 Catalyst::Engine::HTTP - Catalyst HTTP Engine
16 A script using the Catalyst::Engine::HTTP module might look like:
20 BEGIN { $ENV{CATALYST_ENGINE} = 'HTTP' }
23 use lib '/path/to/MyApp/lib';
30 This is the Catalyst engine specialized for development and testing.
36 =item $self->finalize_headers($c)
40 sub finalize_headers {
41 my ( $self, $c ) = @_;
42 my $protocol = $c->request->protocol;
43 my $status = $c->response->status;
44 my $message = status_message($status);
45 print "$protocol $status $message\015\012";
46 $c->response->headers->date(time);
47 $self->NEXT::finalize_headers($c);
50 =item $self->finalize_read($c)
55 my ( $self, $c ) = @_;
57 # Never ever remove this, it would result in random length output
58 # streams if STDIN eq STDOUT (like in the HTTP engine)
61 return $self->NEXT::finalize_read($c);
64 =item $self->prepare_read($c)
69 my ( $self, $c ) = @_;
71 # Set the input handle to non-blocking
74 return $self->NEXT::prepare_read($c);
77 =item $self->read_chunk($c, $buffer, $length)
85 # support for non-blocking IO
87 vec( $rin, *STDIN->fileno, 1 ) = 1;
91 select( $rin, undef, undef, undef );
92 my $rc = *STDIN->sysread(@_);
97 next READ if $! == EWOULDBLOCK;
107 # A very very simple HTTP server that initializes a CGI environment
109 my ( $self, $class, $port, $host, $options ) = @_;
114 local $SIG{CHLD} = 'IGNORE';
116 my $allowed = $options->{allowed} || { '127.0.0.1' => '255.255.255.255' };
121 $host = $host ? inet_aton($host) : INADDR_ANY;
122 socket( HTTPDaemon, PF_INET, SOCK_STREAM, getprotobyname('tcp') )
123 || die "Couldn't assign TCP socket: $!";
124 setsockopt( HTTPDaemon, SOL_SOCKET, SO_REUSEADDR, pack( "l", 1 ) )
125 || die "Couldn't set TCP socket options: $!";
126 bind( HTTPDaemon, sockaddr_in( $port, $host ) )
127 || die "Couldn't bind socket to $port on $host: $!";
128 listen( HTTPDaemon, SOMAXCONN )
129 || die "Couldn't listen to socket on $port on $host: $!";
131 if ( $host eq INADDR_ANY ) {
132 require Sys::Hostname;
133 $url .= lc Sys::Hostname::hostname();
136 $url .= gethostbyaddr( $host, AF_INET ) || inet_ntoa($host);
139 print "You can connect to your server at $url\n";
143 while ( accept( Remote, HTTPDaemon ) ) {
148 my $remote_sockaddr = getpeername( \*Remote );
149 my ( undef, $iaddr ) = sockaddr_in($remote_sockaddr);
150 my $peername = gethostbyaddr( $iaddr, AF_INET ) || "localhost";
151 my $peeraddr = inet_ntoa($iaddr) || "127.0.0.1";
152 my $local_sockaddr = getsockname( \*Remote );
153 my ( undef, $localiaddr ) = sockaddr_in($local_sockaddr);
154 my $localname = gethostbyaddr( $localiaddr, AF_INET )
156 my $localaddr = inet_ntoa($localiaddr) || "127.0.0.1";
161 my $line = $self->_get_line( \*Remote );
163 unless my ( $method, $uri, $protocol ) =
164 $line =~ m/\A(\w+)\s+(\S+)(?:\s+HTTP\/(\d+(?:\.\d+)?))?\z/;
166 unless ( uc($method) eq 'RESTART' ) {
169 if ( $options->{fork} ) { next if $pid = fork }
171 close HTTPDaemon if defined $pid;
173 # Ignore broken pipes as an HTTP server should
174 local $SIG{PIPE} = sub { close Remote };
176 local *STDIN = \*Remote;
177 local *STDOUT = \*Remote;
179 # We better be careful and just use 1.0
182 my ( $path, $query_string ) = split /\?/, $uri, 2;
184 # Initialize CGI environment
186 PATH_INFO => $path || '',
187 QUERY_STRING => $query_string || '',
188 REMOTE_ADDR => $peeraddr,
189 REMOTE_HOST => $peername,
190 REQUEST_METHOD => $method || '',
191 SERVER_NAME => $localname,
192 SERVER_PORT => $port,
193 SERVER_PROTOCOL => "HTTP/$protocol",
198 if ( $protocol >= 1 ) {
200 my $line = $self->_get_line( \*STDIN );
203 unless my ( $name, $value ) =
204 $line =~ m/\A(\w(?:-?\w+)*):\s(.+)\z/;
207 $name = 'COOKIE' if $name eq 'COOKIES';
209 $name = 'HTTP_' . $name
210 unless $name =~ m/\A(?:CONTENT_(?:LENGTH|TYPE)|COOKIE)\z/;
211 if ( exists $ENV{$name} ) {
212 $ENV{$name} .= "; $value";
215 $ENV{$name} = $value;
220 # Pass flow control to Catalyst
221 $class->handle_request;
224 my $ipaddr = _inet_addr($peeraddr);
226 while ( my ( $ip, $mask ) = each %$allowed and not $ready ) {
227 $ready = ( $ipaddr & _inet_addr($mask) ) == _inet_addr($ip);
235 exit if defined $pid;
243 $SIG{CHLD} = 'DEFAULT';
245 exec $^X . ' "' . $0 . '" ' . join( ' ', @{ $options->{argv} } );
252 my ( $self, $handle ) = @_;
256 while ( sysread( $handle, my $byte, 1 ) ) {
257 last if $byte eq "\012"; # eol
261 1 while $line =~ s/\s\z//;
266 sub _inet_addr { unpack "N*", inet_aton( $_[0] ) }
272 L<Catalyst>, L<Catalyst::Engine>.
276 Sebastian Riedel, <sri@cpan.org>
278 Dan Kubb, <dan.kubb-cpan@onautopilot.com>
282 Many parts are ripped out of C<HTTP::Server::Simple> by Jesse Vincent.
286 This program is free software, you can redistribute it and/or modify it under
287 the same terms as Perl itself.