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 ) = @_;
116 local $SIG{HUP} = sub { $GOT_HUP = 1; };
117 local $SIG{CHLD} = 'IGNORE';
122 $host = $host ? inet_aton($host) : INADDR_ANY;
123 socket( HTTPDaemon, PF_INET, SOCK_STREAM, getprotobyname('tcp') )
124 || die "Couldn't assign TCP socket: $!";
125 setsockopt( HTTPDaemon, SOL_SOCKET, SO_REUSEADDR, pack( "l", 1 ) )
126 || die "Couldn't set TCP socket options: $!";
127 bind( HTTPDaemon, sockaddr_in( $port, $host ) )
128 || die "Couldn't bind socket to $port on $host: $!";
129 listen( HTTPDaemon, SOMAXCONN )
130 || die "Couldn't listen to socket on $port on $host: $!";
132 if ( $host eq INADDR_ANY ) {
133 require Sys::Hostname;
134 $url .= lc Sys::Hostname::hostname();
137 $url .= gethostbyaddr( $host, AF_INET ) || inet_ntoa($host);
140 print "You can connect to your server at $url\n";
142 while ( accept( Remote, HTTPDaemon ) ) {
145 if ( $options->{fork} ) { next if $pid = fork }
147 close HTTPDaemon if defined $pid;
149 # Ignore broken pipes as an HTTP server should
150 local $SIG{PIPE} = sub { close Remote };
151 local $SIG{HUP} = ( defined $pid ? 'IGNORE' : $SIG{HUP} );
153 local *STDIN = \*Remote;
154 local *STDOUT = \*Remote;
158 my $remote_sockaddr = getpeername( \*Remote );
159 my ( undef, $iaddr ) = sockaddr_in($remote_sockaddr);
160 my $peername = gethostbyaddr( $iaddr, AF_INET ) || "localhost";
161 my $peeraddr = inet_ntoa($iaddr) || "127.0.0.1";
162 my $local_sockaddr = getsockname( \*Remote );
163 my ( undef, $localiaddr ) = sockaddr_in($local_sockaddr);
164 my $localname = gethostbyaddr( $localiaddr, AF_INET )
166 my $localaddr = inet_ntoa($localiaddr) || "127.0.0.1";
171 my $line = $self->_get_line( \*STDIN );
173 unless my ( $method, $uri, $protocol ) =
174 $line =~ m/\A(\w+)\s+(\S+)(?:\s+HTTP\/(\d+(?:\.\d+)?))?\z/;
176 # We better be careful and just use 1.0
179 my ( $path, $query_string ) = split /\?/, $uri, 2;
181 # Initialize CGI environment
183 PATH_INFO => $path || '',
184 QUERY_STRING => $query_string || '',
185 REMOTE_ADDR => $peeraddr,
186 REMOTE_HOST => $peername,
187 REQUEST_METHOD => $method || '',
188 SERVER_NAME => $localname,
189 SERVER_PORT => $port,
190 SERVER_PROTOCOL => "HTTP/$protocol",
195 if ( $protocol >= 1 ) {
197 my $line = $self->_get_line( \*STDIN );
200 unless my ( $name, $value ) =
201 $line =~ m/\A(\w(?:-?\w+)*):\s(.+)\z/;
204 $name = 'COOKIE' if $name eq 'COOKIES';
206 $name = 'HTTP_' . $name
207 unless $name =~ m/\A(?:CONTENT_(?:LENGTH|TYPE)|COOKIE)\z/;
208 if ( exists $ENV{$name} ) {
209 $ENV{$name} .= "; $value";
212 $ENV{$name} = $value;
217 # Pass flow control to Catalyst
218 $class->handle_request;
219 exit if defined $pid;
227 $SIG{CHLD} = 'DEFAULT';
229 exec $^X . ' "' . $0 . '" ' . join(' ', @{$options->{argv}});
234 my ( $self, $handle ) = @_;
238 while ( sysread( $handle, my $byte, 1 ) ) {
239 last if $byte eq "\012"; # eol
243 1 while $line =~ s/\s\z//;
252 L<Catalyst>, L<Catalyst::Engine>.
256 Sebastian Riedel, <sri@cpan.org>
258 Dan Kubb, <dan.kubb-cpan@onautopilot.com>
262 Many parts are ripped out of C<HTTP::Server::Simple> by Jesse Vincent.
266 This program is free software, you can redistribute it and/or modify it under
267 the same terms as Perl itself.