package threads::Server;
use Smart::Comments::Lite '4';

use 5.008006;
use strict;
use warnings;
use threads;
use Carp qw[ cluck ];

use Thread::Queue;
use IO::Socket;

our $VERSION = '1.0.0';
my %serverDefaults = (
    Pool => 3,
    Accept => sub{ undef },
    Thread => sub{ warn },
    Common => sub{ warn },
);

my %socketDefaults = (
    LocalHost => 'localhost',
    Listen    => 5,
    Reuse     => 1,
);

sub new {
    my( $class, %args ) = @_;
    ##4 warnf "1:%s\n", join ' ', %args;
    my %self = %serverDefaults;
    @self{ keys %serverDefaults } = delete @args{ keys %serverDefaults
+ };
    ##4 warnf "2:%s\n", join' ',%args;
    @self{ qw[ Qwork Qin Qclean ] } = map{ new Thread::Queue } 1 .. 3;
    @{ $self{ Threads } } = map{
        threads->create( \&_thread, @self{ qw[ Thread Qwork Qin Qclean
+ ] } )
    } 1 .. $self{ Pool };
    threads->create( @self{ qw[ Common Qin ] } );
    %args = ( %socketDefaults, %args );
    ##4 warnf "3:%s\n", join ' ', %args;
    $self{ Socket } = IO::Socket::INET->new( %args )
        or cluck __PACKAGE__ . ": failed to create listening socket: $
+!\n"
        and return PACKAGE->DESTROY( \%self );
    return bless \%self, $class;
}

sub Run {
    my $self = $_[0];
    my( $server, $Qwork, $Qclean, $accept  ) = @{ $self }{ qw[ Socket 
+Qwork Qclean Accept ] };
    while( local $_ = $server->accept ) {
        my $fileno = fileno $_;
        $self->{ Clients }{ $fileno } = $_;
        my $clientArgs = eval{ join chr(0), $accept->() } || '';
        $Qwork->enqueue( "$fileno\0$clientArgs" );
        while( $Qclean->pending ) {
            ##1 warnf "Cleanup of %d\n", my $fno = $Qclean->dequeue();
            close delete $self->{ Clients }{ $fno };
        }
    }
}

sub _thread {
    ##1 warnf "Starting thread %d\n", threads->tid;
    my( $userCode, $Qwork, $Qin, $Qclean ) = @_;
    while( my $work = $Qwork->dequeue() ) {
        my( $fileno, @args ) = split chr(0), $work;
        open my $client, '+<&=' . $fileno
            or cluck "Failed to dup $fileno in ${ \threads->tid } : $!
+\n"
            and next;
        $userCode->( $client, $Qin, @args );
        close $client;
        $Qclean->enqueue( $fileno );
    }
}

sub DESTROY {

}
return 1 if caller;

local $\ = "\n";
my $server = threads::Server->new(
     LocalPort => 9000,
     Pool => 5,
     Accept => sub {
         printf "Accepted connection from %s:%d on port:%d\n",
            $_->peerhost, $_->peerport, $_->sockport;
         return;
     },
    Thread => sub {
        my( $client, $Qout, @args ) = @_;
        while( <$client> ) {
            chomp;
            ##1 warnf "Got '%s'\n", $_;
            $Qout->enqueue( $_ );
            print $client 'Ack';
        }
    },
    Common => sub {
        my $Q = shift;
        while( $Q->dequeue() ) {
            #1 warnf "Processing '$_'";
        }
    },
);

$server->Run;

__END__
=head1 NAME

threads::Server - Perl extension for blah blah blah

=head1 SYNOPSIS

  use threads::Server;
  blah blah blah

=head1 DESCRIPTION

Stub documentation for threads::Server, created by h2xs. It looks like
+ the
author of the extension was negligent enough to leave the stub
unedited.

Blah blah blah.

=head2 EXPORT

None by default.



=head1 SEE ALSO

Mention other useful documentation such as the documentation of
related modules or operating system documentation (such as man pages
in UNIX), or any relevant external documentation such as RFCs or
standards.

If you have a mailing list set up for your module, mention it here.

If you have a web site set up for your module, mention it here.

=head1 AUTHOR

A. U. Thor, E<lt>a.u.thor@a.galaxy.far.far.awayE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2006 by A. U. Thor

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.6 or,
at your option, any later version of Perl 5 you may have available.


=cut
[download]