# Copyright (c) 2010 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: DevRestart.pm,v 2.1 2010/04/18 19:58:45 nagler Exp $
package Bivio::Biz::Action::DevRestart;
use strict;
use Bivio::Base 'Action.JobBase';

our($VERSION) = sprintf('%d.%02d', q$Revision: 2.1 $ =~ /\d+/g);
my($_F) = b_use('IO.File');
my($_SENTINEL) = 'restart';

sub internal_execute {
    my($proto, $req) = @_;
    $req->assert_test;
    b_use('ShellUtil.HTTPD')->assert_in_exec_dir;
    $_F->write($_SENTINEL, time);
    CORE::exit(0);
    # DOES NOT RETURN
}

sub restart_requested {
    return 0
	unless -r $_SENTINEL;
    my($rs) = ${$_F->read($_SENTINEL)};
    unlink($_SENTINEL);
    b_die('not restarting, sentinel too old')
	if $rs + 20 < time;
    return 1;
}

1;