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

use IO::Socket::INET;
use IO::Select;
use Getopt::Long;

use AI::Evolve::Befunge::Util;

=head1 NAME

    migrationd - AI::Evolve::Befunge migration server


=head1 SYNOPSIS

    migrationd [-q|v|d] [-h host/IP] [-p port]


=head1 DESCRIPTION

This script acts as a server to link multiple instances of
AI::Evolve::Befunge together for the purposes of migration.  This is
a cheap, easy form of parallel processing - migration allows useful
traits to propagate without requiring any synchronization, and using
minimal bandwidth.

It will run until it is killed.

Please be aware that this protocol is subject to change over time -
the whole migration process will be adapted to use Net::Cluster when
that becomes available.  Until this feature has stabilized, no
guarantee is made that newer versions of AI::Evolve::Befunge will be
able to talk to this version of the server.


=head1 COMMAND LINE ARGUMENTS

=head2 -h <host/IP>, --host=<host/ip>

Hostname or IP address to listen on.  By default, connections will be
accepted on all available IPs.


=head2 -p <port>, --port=<port>

TCP port to listen on.  The default port is 29522.


=head2 -q, --quiet

Enable quiet mode.  This will reduce the amount of output.


=head2 -v, --verbose

Enable verbose mode.  This will increase the amount of output.

=cut


=head2 -d, --debug

Enable debug mode.  This will increase the amount of output.

=cut


# default command line options
my $quiet   = 0;
my $verbose = 0;
my $debug   = 0;
my $help    = 0;
my $host    = '0.0.0.0';
my $port    = 29522;

die("Usage: $0 [-q|v|d] [-h host] [-p port]\n") unless GetOptions(
    'debug'   => \$debug,
    'quiet'   => \$quiet,
    'verbose' => \$verbose,
    'help'    => \$help,
    'host=s'  => \$host,
    'port=i'  => \$port,
);