source: bookmarks/trunk/bin/bkmkd @ 103

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

use FindBin;
use lib "$FindBin::RealBin/../lib";

use Getopt::Long;
use YAML;
use Plack::Runner;
use File::Pid;
use File::Spec::Functions qw{catfile};

GetOptions(
    'file=s' => \my $CONFIG_FILE,
);

$CONFIG_FILE ||= 'server.yml';
-e $CONFIG_FILE or die "Config file $CONFIG_FILE not found\n";
my $config = YAML::LoadFile($CONFIG_FILE);
my $command = shift or die "Usage: $0 <start|stop>\n";

my %run = (
    start => sub {
        my $config = shift;
        require BookmarksApp;
        my $app = BookmarksApp->new({ config => $config })->to_app;

        my $server_root = $config->{server_root} || '.';
        my $listen      = ':' . ($config->{port} || 5000);
        my $access_log  = catfile($server_root, 'access');
        my $error_log   = catfile($server_root, 'errors');
        my $pid_file    = catfile($server_root, 'pid');

        my $runner = Plack::Runner->new(server => 'Starman');
        $runner->parse_options(
            '--daemonize',
            '--listen',     $listen,
            '--pid',        $pid_file,
            '--error-log',  $error_log,
            '--access-log', $access_log,
        );
        $runner->run($app);
    },

    stop => sub {
        my $config = shift;
        my $server_root = $config->{server_root} || '.';

        my $pid_file = File::Pid->new({
                file => catfile($server_root, 'pid'),
            });

        if (my $pid = $pid_file->running) {
            kill 'TERM', $pid;
        }
    },
);

exists $run{$command} or die "Unrecognized command $command\n";
$run{$command}->($config);