#!/usr/bin/perl -w
use strict;

use lib qw(blib/lib blib/arch);

use POE qw(Session);
use POE::Component::IKC::Client;

my $name="Client$$";

### Send a request to the time-server
sub server_io
{
    my($kernel, $msg)=@_;
}

### Called when we connect to the time server
sub create_me
{
    print "Creating session...\n";
    POE::Session->new(
        _start=>sub 
        {
            my($kernel)=$_[KERNEL];
            $kernel->sig('USR1', 'hup');
            $kernel->alias_set('me');

            $kernel->post('poe://*/timeserver', 'connect', 
                            "poe://$name/me/pulse");

            $kernel->yield('time');
            $kernel->post('IKC', 'publish', 'me', [qw(pulse)]);
        },
        hup=>sub
        {
            my($kernel)=$_[KERNEL];
            print "Got USR1\n";
            $kernel->post('poe://Pulse/timeserver', 'disconnect', 
                          "poe://$name/me/pulse");
            return 1;
        },
        # output a . when the pulse is sent
        # output a + if it took longer then a second to get from 
        # the timerserver
        pulse=>sub { print ($_[ARG0] eq localtime() ? '.' : '+'); },

        'time'=>sub 
        {
            my($kernel, $time)=@_[KERNEL, ARG0];
            if($time)
            {
                print "\n------ Foreign time is $time\n";
                $kernel->delay('time', 60);
            } else
            {
                unless($kernel->call('IKC', 'call',
                                 'poe://*/timeserver/time', '', 
                                 'poe:/me/time'))
                {
                    print "Unable to get time, exiting\n";
                    # $kernel->alias_remove('me');
                }
            }
        },
    );
}

$|++;
create_ikc_client(
    port=>31337,
    name=>$name,
#    subscribe=>[qw(poe://*/foo)],
    on_connect=>sub 
    {
        create_ikc_client(
            on_connect=>\&create_me,
            port=>31337,
            name=>$name,
            subscribe=>[qw(poe://*/timeserver)]
          );
    }
);

print "Running client...\n";
$poe_kernel->run();