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package Plack::Handler::AnyEvent::FCGI;
use strict;
use 5.008_001;
our $VERSION = '0.01';
use AnyEvent;
use AnyEvent::FCGI;
use Plack::Util;
use IO::Handle::Util qw(io_from_write_cb);
use URI;
use URI::Escape;
sub new {
my($class, %args) = @_;
bless { %args }, $class;
}
sub run {
my $self = shift;
$self->register_service(@_);
$self->{_cv}->recv;
}
sub register_service {
my($self, $app) = @_;
my $listen = $self->{listen}[0]
or die "listen address/socket not specified";
my %args;
if ($listen =~ /:\d+$/) {
@args{qw(host port)} = split /:/, $listen, 2;
$args{host} = undef if $args{host} eq '';
} else {
$args{socket} = $listen;
}
warn "Listening on $listen for FCGI connections\n";
$self->{_server} = AnyEvent::FCGI->new(
%args,
on_request => sub { $self->_on_request($app, @_) },
);
$self->{_cv} = AE::cv;
}
sub _on_request {
my($self, $app, $request) = @_;
my $env = $request->params;
# deal with ligttpd/nginx path normalization
my $uri = URI->new("http://localhost" . $env->{REQUEST_URI});
$env->{PATH_INFO} = URI::Escape::uri_unescape($uri->path);
$env->{PATH_INFO} =~ s/^\Q$env->{SCRIPT_NAME}\E//;
$env = {
%$env,
'psgi.version' => [1,1],
'psgi.url_scheme' => ($env->{HTTPS}||'off') =~ /^(?:on|1)$/i ? 'https' : 'http',
'psgi.input' => do { open my $io, "<", \$request->read_stdin || \''; $io },
'psgi.errors' => io_from_write_cb sub { $request->print_stderr(@_) },
'psgi.multithread' => 0,
'psgi.multiprocess' => 0,
'psgi.run_once' => 0,
'psgi.streaming' => 1,
'psgi.nonblocking' => 1,
'psgix.input.buffered' => 1,
};
my $res = Plack::Util::run_app($app, $env);
if (ref $res eq 'ARRAY') {
$self->handle_response($res, $request);
} elsif (ref $res eq 'CODE') {
$res->(sub { $self->handle_response($_[0], $request) });
} else {
die "Bad response: $res";
}
}
sub handle_response {
my($self, $res, $request) = @_;
my $hdrs;
$hdrs = "Status: $res->[0]\015\012";
my $headers = $res->[1];
while (my ($k, $v) = splice @$headers, 0, 2) {
$hdrs .= "$k: $v\015\012";
}
$hdrs .= "\015\012";
$request->print_stdout($hdrs);
my $cb = sub { $request->print_stdout($_[0]) };
my $body = $res->[2];
if (defined $body) {
Plack::Util::foreach($body, $cb);
$request->finish;
} else {
return Plack::Util::inline_object
write => $cb,
close => sub { $request->finish };
}
}
1;
__END__
=encoding utf-8
=for stopwords
=head1 NAME
Plack::Handler::AnyEvent::FCGI - Asynchronous FCGI handler for PSGI using AnyEvent::FCGI
=head1 SYNOPSIS
> plackup -s AnyEvent::FCGI myapp.psgi
=head1 DESCRIPTION
Plack::Handler::AnyEvent::FCGI is a PSGI adapter for L<AnyEvent::FCGI>
allowing AnyEvent based non-blocking applications running behind a web
server using FastCGI as a protocol.
=head1 AUTHOR
Tatsuhiko Miyagawa E<lt>miyagawa@bulknews.netE<gt>
=head1 COPYRIGHT
Copyright 2011- Tatsuhiko Miyagawa
=head1 LICENSE
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
L<AnyEvent::FCGI> L<Plack::Handler::AnyEvent::SCGI> L<Plack::Handler::FCGI>
=cut
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