use strict;
use base 'Catalyst::Engine::CGI';
use Errno 'EWOULDBLOCK';
-use FindBin;
-use File::Find;
-use File::Spec;
use HTTP::Status;
use NEXT;
use Socket;
+use IO::Socket::INET ();
+use IO::Select ();
+
+# For PAR
+require Catalyst::Engine::HTTP::Restarter;
+require Catalyst::Engine::HTTP::Restarter::Watcher;
=head1 NAME
=head1 METHODS
-=over 4
-
-=item $self->finalize_headers($c)
+=head2 $self->finalize_headers($c)
=cut
my $message = status_message($status);
print "$protocol $status $message\015\012";
$c->response->headers->date(time);
- $self->NEXT::finalize_headers($c);
+ $c->response->headers->header(
+ Connection => $self->_keep_alive ? 'keep-alive' : 'close' );
+
+ $c->response->header( Status => $c->response->status );
+
+ # Avoid 'print() on closed filehandle Remote' warnings when using IE
+ print $c->response->headers->as_string("\015\012") if *STDOUT->opened();
+ print "\015\012" if *STDOUT->opened();
}
-=item $self->finalize_read($c)
+=head2 $self->finalize_read($c)
=cut
return $self->NEXT::finalize_read($c);
}
-=item $self->prepare_read($c)
+=head2 $self->prepare_read($c)
=cut
return $self->NEXT::prepare_read($c);
}
-=item $self->read_chunk($c, $buffer, $length)
+=head2 $self->read_chunk($c, $buffer, $length)
=cut
}
}
-=item run
+=head2 $self->write($c, $buffer)
+
+Writes the buffer to the client. Can only be called once for a request.
+
+=cut
+
+sub write {
+ # Avoid 'print() on closed filehandle Remote' warnings when using IE
+ return unless *STDOUT->opened();
+
+ shift->NEXT::write( @_ );
+}
+
+=head2 run
=cut
$options ||= {};
- # Setup restarter
- my $restarter;
- if ( $options->{restart} ) {
- my $parent = $$;
- unless ( $restarter = fork ) {
-
- # Prepare
- close STDIN;
- close STDOUT;
-
- # Index parent directory
- my $dir = File::Spec->catdir( $FindBin::Bin, '..' );
-
- my $regex = $options->{restart_regex};
- my $one = _index( $dir, $regex );
- RESTART: while (1) {
- sleep $options->{restart_delay} || 1;
-
- # check if our parent has died
- exit if ( getppid == 1 );
-
- my $two = _index( $dir, $regex );
- my $changes = _compare_index( $one, $two );
- if (@$changes) {
- $one = $two;
-
- # Test modified pm's
- for my $file (@$changes) {
- next unless $file =~ /\.pm$/;
- if ( my $error = _test($file) ) {
- print STDERR
- qq/File "$file" modified, not restarting\n\n/;
- print STDERR '*' x 80, "\n";
- print STDERR $error;
- print STDERR '*' x 80, "\n";
- next RESTART;
- }
- }
-
- # Restart
- my $files = join ', ', @$changes;
- print STDERR qq/File(s) "$files" modified, restarting\n\n/;
- kill( 1, $parent );
- exit;
- }
- }
- }
+ if ($options->{background}) {
+ my $child = fork;
+ die "Can't fork: $!" unless defined($child);
+ exit if $child;
}
-
- our $GOT_HUP;
- local $GOT_HUP = 0;
-
- local $SIG{HUP} = sub { $GOT_HUP = 1; };
- local $SIG{CHLD} = 'IGNORE';
- # Handle requests
+ my $restart = 0;
+ local $SIG{CHLD} = 'IGNORE';
- # Setup socket
- $host = $host ? inet_aton($host) : INADDR_ANY;
- socket( HTTPDaemon, PF_INET, SOCK_STREAM, getprotobyname('tcp') )
- || die "Couldn't assign TCP socket: $!";
- setsockopt( HTTPDaemon, SOL_SOCKET, SO_REUSEADDR, pack( "l", 1 ) )
- || die "Couldn't set TCP socket options: $!";
- bind( HTTPDaemon, sockaddr_in( $port, $host ) )
- || die "Couldn't bind socket to $port on $host: $!";
- listen( HTTPDaemon, SOMAXCONN )
- || die "Couldn't listen to socket on $port on $host: $!";
- my $url = 'http://';
- if ( $host eq INADDR_ANY ) {
+ my $allowed = $options->{allowed} || { '127.0.0.1' => '255.255.255.255' };
+ my $addr = $host ? inet_aton($host) : INADDR_ANY;
+ if ( $addr eq INADDR_ANY ) {
require Sys::Hostname;
- $url .= lc Sys::Hostname::hostname();
+ $host = lc Sys::Hostname::hostname();
}
else {
- $url .= gethostbyaddr( $host, AF_INET ) || inet_ntoa($host);
+ $host = gethostbyaddr( $addr, AF_INET ) || inet_ntoa($addr);
}
- $url .= ":$port";
+
+ # Handle requests
+
+ # Setup socket
+ my $daemon = IO::Socket::INET->new(
+ Listen => SOMAXCONN,
+ LocalAddr => inet_ntoa($addr),
+ LocalPort => $port,
+ Proto => 'tcp',
+ ReuseAddr => 1,
+ Type => SOCK_STREAM,
+ )
+ or die "Couldn't create daemon: $!";
+
+ my $url = "http://$host";
+ $url .= ":$port" unless $port == 80;
+
print "You can connect to your server at $url\n";
- my $pid = undef;
- while ( accept( Remote, HTTPDaemon ) ) {
- # Fork
- if ( $options->{fork} ) { next if $pid = fork }
+ if ($options->{background}) {
+ open STDIN, "+</dev/null" or die $!;
+ open STDOUT, ">&STDIN" or die $!;
+ open STDERR, ">&STDIN" or die $!;
+ if ( $^O !~ /MSWin32/ ) {
+ require POSIX;
+ POSIX::setsid()
+ or die "Can't start a new session: $!";
+ }
+ }
- close HTTPDaemon if defined $pid;
+ if (my $pidfile = $options->{pidfile}) {
+ if (! open PIDFILE, "> $pidfile") {
+ warn("Cannot open: $pidfile: $!");
+ }
+ print PIDFILE "$$\n";
+ close PIDFILE;
+ }
+
+ $self->_keep_alive( $options->{keepalive} || 0 );
- # Ignore broken pipes as an HTTP server should
- local $SIG{PIPE} = sub { close Remote };
- local $SIG{HUP} = ( defined $pid ? 'IGNORE' : $SIG{HUP} );
+ my $pid = undef;
+ while ( accept( Remote, $daemon ) )
+ { # TODO: get while ( my $remote = $daemon->accept ) to work
- local *STDIN = \*Remote;
- local *STDOUT = \*Remote;
- select STDOUT;
+ select Remote;
# Request data
- my $remote_sockaddr = getpeername( \*Remote );
- my ( undef, $iaddr ) = sockaddr_in($remote_sockaddr);
- my $peername = gethostbyaddr( $iaddr, AF_INET ) || "localhost";
- my $peeraddr = inet_ntoa($iaddr) || "127.0.0.1";
- my $local_sockaddr = getsockname( \*Remote );
- my ( undef, $localiaddr ) = sockaddr_in($local_sockaddr);
- my $localname = gethostbyaddr( $localiaddr, AF_INET )
- || "localhost";
- my $localaddr = inet_ntoa($localiaddr) || "127.0.0.1";
-
- STDIN->blocking(1);
-
- # Parse request line
- my $line = $self->_get_line( \*STDIN );
+
+ Remote->blocking(1);
+
next
unless my ( $method, $uri, $protocol ) =
- $line =~ m/\A(\w+)\s+(\S+)(?:\s+HTTP\/(\d+(?:\.\d+)?))?\z/;
+ $self->_parse_request_line( \*Remote );
+
+ unless ( uc($method) eq 'RESTART' ) {
+
+ # Fork
+ if ( $options->{fork} ) { next if $pid = fork }
+
+ $self->_handler( $class, $port, $method, $uri, $protocol );
+
+ $daemon->close if defined $pid;
+
+ }
+ else {
+ my $sockdata = $self->_socket_data( \*Remote );
+ my $ipaddr = _inet_addr( $sockdata->{peeraddr} );
+ my $ready = 0;
+ foreach my $ip ( keys %$allowed ) {
+ my $mask = $allowed->{$ip};
+ $ready = ( $ipaddr & _inet_addr($mask) ) == _inet_addr($ip);
+ last if $ready;
+ }
+ if ($ready) {
+ $restart = 1;
+ last;
+ }
+ }
- # We better be careful and just use 1.0
- $protocol = '1.0';
+ exit if defined $pid;
+ }
+ continue {
+ close Remote;
+ }
+ $daemon->close;
+
+ if ($restart) {
+ $SIG{CHLD} = 'DEFAULT';
+ wait;
+ ### if the standalone server was invoked with perl -I .. we will loose
+ ### those include dirs upon re-exec. So add them to PERL5LIB, so they
+ ### are available again for the exec'ed process --kane
+ use Config;
+ $ENV{PERL5LIB} .= join $Config{path_sep}, @INC;
+
+ exec $^X . ' "' . $0 . '" ' . join( ' ', @{ $options->{argv} } );
+ }
+
+ exit;
+}
+
+sub _handler {
+ my ( $self, $class, $port, $method, $uri, $protocol ) = @_;
+
+ # Ignore broken pipes as an HTTP server should
+ local $SIG{PIPE} = sub { close Remote };
+
+ local *STDIN = \*Remote;
+ local *STDOUT = \*Remote;
+
+ # We better be careful and just use 1.0
+ $protocol = '1.0';
+
+ my $sockdata = $self->_socket_data( \*Remote );
+ my %copy_of_env = %ENV;
+
+ my $sel = IO::Select->new;
+ $sel->add( \*STDIN );
+
+ while (1) {
my ( $path, $query_string ) = split /\?/, $uri, 2;
# Initialize CGI environment
local %ENV = (
- PATH_INFO => $path || '',
- QUERY_STRING => $query_string || '',
- REMOTE_ADDR => $peeraddr,
- REMOTE_HOST => $peername,
- REQUEST_METHOD => $method || '',
- SERVER_NAME => $localname,
- SERVER_PORT => $port,
+ PATH_INFO => $path || '',
+ QUERY_STRING => $query_string || '',
+ REMOTE_ADDR => $sockdata->{peeraddr},
+ REMOTE_HOST => $sockdata->{peername},
+ REQUEST_METHOD => $method || '',
+ SERVER_NAME => $sockdata->{localname},
+ SERVER_PORT => $port,
SERVER_PROTOCOL => "HTTP/$protocol",
- %ENV,
+ %copy_of_env,
);
# Parse headers
$name = 'HTTP_' . $name
unless $name =~ m/\A(?:CONTENT_(?:LENGTH|TYPE)|COOKIE)\z/;
if ( exists $ENV{$name} ) {
- $ENV{$name} .= "; $value";
+ $ENV{$name} .= ", $value";
}
else {
$ENV{$name} = $value;
# Pass flow control to Catalyst
$class->handle_request;
- exit if defined $pid;
- }
- continue {
- close Remote;
- }
- close HTTPDaemon;
- if ($GOT_HUP) {
- $SIG{CHLD} = 'DEFAULT';
- wait;
- exec {$0}( ( ( -x $0 ) ? () : ($^X) ), $0, @{ $options->{argv} } );
+ my $connection = lc $ENV{HTTP_CONNECTION};
+ last
+ unless $self->_keep_alive()
+ && index( $connection, 'keep-alive' ) > -1
+ && index( $connection, 'te' ) == -1 # opera stuff
+ && $sel->can_read(5);
+
+ last
+ unless ( $method, $uri, $protocol ) =
+ $self->_parse_request_line( \*STDIN );
}
+
+ close Remote;
}
-sub _compare_index {
- my ( $one, $two ) = @_;
- my %clone = %$two;
- my @changes;
- while ( my ( $key, $val ) = each %$one ) {
- if ( !$clone{$key} || ( $clone{$key} ne $val ) ) {
- push @changes, $key;
- }
- delete $clone{$key};
- }
- for my $key ( keys %clone ) { push @changes, $key }
- return \@changes;
+sub _keep_alive {
+ my ( $self, $keepalive ) = @_;
+
+ my $r = $self->{_keepalive} || 0;
+ $self->{_keepalive} = $keepalive if defined $keepalive;
+
+ return $r;
+
+}
+
+sub _parse_request_line {
+ my ( $self, $handle ) = @_;
+
+ # Parse request line
+ my $line = $self->_get_line($handle);
+ return ()
+ unless my ( $method, $uri, $protocol ) =
+ $line =~ m/\A(\w+)\s+(\S+)(?:\s+HTTP\/(\d+(?:\.\d+)?))?\z/;
+ return ( $method, $uri, $protocol );
+}
+
+sub _socket_data {
+ my ( $self, $handle ) = @_;
+
+ my $remote_sockaddr = getpeername($handle);
+ my ( undef, $iaddr ) = $remote_sockaddr
+ ? sockaddr_in($remote_sockaddr)
+ : (undef, undef);
+
+ my $local_sockaddr = getsockname($handle);
+ my ( undef, $localiaddr ) = sockaddr_in($local_sockaddr);
+
+ # This mess is necessary to keep IE from crashing the server
+ my $data = {
+ peername => $iaddr
+ ? ( gethostbyaddr( $iaddr, AF_INET ) || 'localhost' )
+ : 'localhost',
+ peeraddr => $iaddr
+ ? ( inet_ntoa($iaddr) || '127.0.0.1' )
+ : '127.0.0.1',
+ localname => gethostbyaddr( $localiaddr, AF_INET ) || 'localhost',
+ localaddr => inet_ntoa($localiaddr) || '127.0.0.1',
+ };
+
+ return $data;
}
sub _get_line {
return $line;
}
-# The list of files we check for modification
-our $file_index;
-
-sub _index {
- my ( $dir, $regex ) = @_;
-
- if ( ref $file_index ) {
- # don't run a File::Find, but just check file mod times
- my %index = %{$file_index};
- foreach my $file ( keys %index ) {
- if ( my @stat = stat $file ) {
- $index{$file} = $stat[9];
- }
- else {
- delete $index{$file};
- }
- }
- return \%index;
- }
- else {
- # first time, run a File::Find to locate files to watch
- my $index = {};
- finddepth(
- {
- wanted => sub {
- my $file = File::Spec->rel2abs($File::Find::name);
- return unless $file =~ /$regex/;
- return unless -f $file;
- my $time = ( stat $file )[9];
- $index->{$file} = $time;
- },
- no_chdir => 1
- },
- $dir
- );
- $file_index = $index;
- return $file_index;
- }
-}
-
-sub _test {
- my $file = shift;
- delete $INC{$file};
- local $SIG{__WARN__} = sub { };
- open my $olderr, '>&STDERR';
- open STDERR, '>', File::Spec->devnull;
- eval "require '$file'";
- open STDERR, '>&', $olderr;
- return $@ if $@;
- return 0;
-}
-
-=back
+sub _inet_addr { unpack "N*", inet_aton( $_[0] ) }
=head1 SEE ALSO
Dan Kubb, <dan.kubb-cpan@onautopilot.com>
+Sascha Kiefer, <esskar@cpan.org>
+
=head1 THANKS
Many parts are ripped out of C<HTTP::Server::Simple> by Jesse Vincent.