# A very very simple HTTP server that initializes a CGI environment
sub run {
- my ( $self, $class, $port, $host, $fork ) = @_;
+ my ( $self, $class, $port, $host, $options ) = @_;
- our $GOT_HUP;
- local $GOT_HUP = 0;
-
- local $SIG{HUP} = sub { $GOT_HUP = 1; };
+ $options ||= {};
+ my $restart = 0;
local $SIG{CHLD} = 'IGNORE';
+ my $allowed = $options->{allowed} || { '127.0.0.1' => '255.255.255.255' };
+
# Handle requests
# Setup socket
$host = $host ? inet_aton($host) : INADDR_ANY;
- socket( HTTPDaemon, PF_INET, SOCK_STREAM, getprotobyname('tcp') );
- setsockopt( HTTPDaemon, SOL_SOCKET, SO_REUSEADDR, pack( "l", 1 ) );
- bind( HTTPDaemon, sockaddr_in( $port, $host ) );
- listen( HTTPDaemon, SOMAXCONN );
+ 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 ) {
require Sys::Hostname;
}
$url .= ":$port";
print "You can connect to your server at $url\n";
- my $pid = undef;
- while ( accept( Remote, HTTPDaemon ) ) {
-
- # Fork
- if ($fork) { next if $pid = fork }
- close HTTPDaemon if defined $pid;
-
- # Ignore broken pipes as an HTTP server should
- local $SIG{PIPE} = sub { close Remote };
- local $SIG{HUP} = ( defined $pid ? 'IGNORE' : $SIG{HUP} );
+ my $parent = $$;
+ my $pid = undef;
+ while ( accept( Remote, HTTPDaemon ) ) {
- local *STDIN = \*Remote;
- local *STDOUT = \*Remote;
- select STDOUT;
+ select Remote;
# Request data
my $remote_sockaddr = getpeername( \*Remote );
|| "localhost";
my $localaddr = inet_ntoa($localiaddr) || "127.0.0.1";
- STDIN->blocking(1);
+ Remote->blocking(1);
# Parse request line
- my $line = $self->_get_line( \*STDIN );
+ my $line = $self->_get_line( \*Remote );
next
unless my ( $method, $uri, $protocol ) =
$line =~ m/\A(\w+)\s+(\S+)(?:\s+HTTP\/(\d+(?:\.\d+)?))?\z/;
- # We better be careful and just use 1.0
- $protocol = '1.0';
-
- 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 => $port,
- SERVER_PROTOCOL => "HTTP/$protocol",
- %ENV,
- );
-
- # Parse headers
- if ( $protocol >= 1 ) {
- while (1) {
- my $line = $self->_get_line( \*STDIN );
- last if $line eq '';
- next
- unless my ( $name, $value ) =
- $line =~ m/\A(\w(?:-?\w+)*):\s(.+)\z/;
-
- $name = uc $name;
- $name = 'COOKIE' if $name eq 'COOKIES';
- $name =~ tr/-/_/;
- $name = 'HTTP_' . $name
- unless $name =~ m/\A(?:CONTENT_(?:LENGTH|TYPE)|COOKIE)\z/;
- if ( exists $ENV{$name} ) {
- $ENV{$name} .= "; $value";
- }
- else {
- $ENV{$name} = $value;
+ unless ( uc($method) eq 'RESTART' ) {
+
+ # Fork
+ if ( $options->{fork} ) { next if $pid = fork }
+
+ close HTTPDaemon if defined $pid;
+
+ # 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 ( $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 => $port,
+ SERVER_PROTOCOL => "HTTP/$protocol",
+ %ENV,
+ );
+
+ # Parse headers
+ if ( $protocol >= 1 ) {
+ while (1) {
+ my $line = $self->_get_line( \*STDIN );
+ last if $line eq '';
+ next
+ unless my ( $name, $value ) =
+ $line =~ m/\A(\w(?:-?\w+)*):\s(.+)\z/;
+
+ $name = uc $name;
+ $name = 'COOKIE' if $name eq 'COOKIES';
+ $name =~ tr/-/_/;
+ $name = 'HTTP_' . $name
+ unless $name =~ m/\A(?:CONTENT_(?:LENGTH|TYPE)|COOKIE)\z/;
+ if ( exists $ENV{$name} ) {
+ $ENV{$name} .= "; $value";
+ }
+ else {
+ $ENV{$name} = $value;
+ }
}
}
+
+ # Pass flow control to Catalyst
+ $class->handle_request;
+ }
+ else {
+ my $ipaddr = _inet_addr($peeraddr);
+ my $ready = 0;
+ while ( my ( $ip, $mask ) = each %$allowed and not $ready ) {
+ $ready = ( $ipaddr & _inet_addr($mask) ) == _inet_addr($ip);
+ }
+ if ($ready) {
+ $restart = 1;
+ last;
+ }
}
- # Pass flow control to Catalyst
- $class->handle_request;
exit if defined $pid;
}
continue {
close Remote;
}
close HTTPDaemon;
- exec {$0}( ( ( -x $0 ) ? () : ($^X) ), $0, @ARGV ) if $GOT_HUP;
+
+ if ($restart) {
+ $SIG{CHLD} = 'DEFAULT';
+ wait;
+ exec $^X . ' "' . $0 . '" ' . join( ' ', @{ $options->{argv} } );
+ }
+
+ exit;
}
sub _get_line {
return $line;
}
+sub _inet_addr { unpack "N*", inet_aton( $_[0] ) }
+
=back
=head1 SEE ALSO