package testPackage;

sub new {
my $that  = shift;
my $class = ref($that) || $that;
my $self;
$self->{DEBUG} = shift;
bless $self, $class;
return $self;
}

1;

-----------

use Win32::Daemon;
use strict;
use testPackage;

my $LOGFILE = "test.log";

sub verbose {
warn "TRACE ($$) : $_[0]";
}

open (STDERR, ">$LOGFILE") || die "cannot open log file $LOGFILE\n";

Win32::Daemon::StartService();

my $prevState = SERVICE_STOPPED;

while (SERVICE_STOPPED != ( my $State = Win32::Daemon::State() ) ) {

if ( SERVICE_START_PENDING == $State ) {
    Win32::Daemon::State( SERVICE_RUNNING );
$prevState = SERVICE_RUNNING;
verbose("$0 started at " . localtime().$/);
  }
  elsif ( SERVICE_PAUSE_PENDING == $State ) {
    verbose("Pausing Service\n");
    Win32::Daemon::State( SERVICE_PAUSED );
    $prevState = SERVICE_PAUSED;
    next;
  }
  elsif ( SERVICE_CONTINUE_PENDING == $State ) {
    verbose("Resuming Service\n");
    Win32::Daemon::State( SERVICE_RUNNING ); 
    $prevState = SERVICE_RUNNING;
    next;
  }
  elsif ( SERVICE_STOP_PENDING == $State ) {
    verbose("Service Stopping");
    Win32::Daemon::State( SERVICE_STOPPED ); 
    $prevState = SERVICE_STOPPED;
    next;
  }
  elsif ( SERVICE_RUNNING == $State ) {
    if ($DEBUG) { verbose("Service Running"); }
    if ( $DEBUG ) { verbose ("Waiting 100 seconds to continue\n"); }
    sleep(100);
  }
  else { # unknown state : reset to previous state
    Win32::Daemon::State( $prevState );
  }

  sleep(1);
}

Win32::Daemon::StopService();