#!/usr/bin/php -q
<?php
/**
 * System_Daemon turns PHP-CLI scripts into daemons.
 *
 * PHP version 5
 *
 * @category  System
 * @package   System_Daemon
 * @author    Kevin <kevin@vanzonneveld.net>
 * @copyright 2008 Kevin van Zonneveld
 * @license   http://www.opensource.org/licenses/bsd-license.php
 * @link      http://github.com/kvz/system_daemon
 */

/**
 * System_Daemon Example Code
 *
 * If you run this code successfully, a daemon will be spawned
 * but unless have already generated the init.d script, you have
 * no real way of killing it yet.
 *
 * In this case wait 3 runs, which is the maximum for this example.
 *
 *
 * In panic situations, you can always kill you daemon by typing
 *
 * killall -9 daemon-sample.php
 * OR:
 * killall -9 php
 *
 */

 // Include Class
error_reporting(E_ALL);
require_once 'System/Daemon.php';

// Setup
$options = array(
    'appName' => 'daemon-sample',
    'authorEmail' => 'noname@local.host',
        'appDir' => dirname(__FILE__),
);
System_Daemon::setOptions($options);

System_Daemon::log(System_Daemon::LOG_INFO, "Daemon not yet started so "."this will be written on-screen");

// Start daemon
System_Daemon::start();

// logging some of info
System_Daemon::log(System_Daemon::LOG_INFO, "Daemon: ".
System_Daemon::getOption("appName").
"spawned! This will be written to ".
System_Daemon::getOption("logLocation"));

// Your normal PHP code goes here. Only the code will run in the background
// so you can close your terminal session, and the application will
// still run.
//
// Below is a sample code, run this php code then create a file /tmp/darkhero.txt.
// when you modified this file the message 'Detected the file has been changed!!!' would be logged into the file /var/log/daemon-sample.log
if(!file_exists('/tmp/darkhero_md5.txt'))
touch('/tmp/darkhero_md5.txt');
while(1){
  if(file_exists('/tmp/darkhero.txt') and md5_file('/tmp/darkhero.txt') != file_get_contents('/tmp/darkhero_md5.txt')){
     System_Daemon::log(System_Daemon::LOG_INFO, "Detected the file has been changed!!!");
     $md5_string = md5_file('/tmp/darkhero.txt');
     file_put_contents('/tmp/darkhero_md5.txt',$md5_string);
  }
  usleep(100);
}

// Shut down the daemon nicely
// This is ignored if the class is actually running in the foreground
System_Daemon::stop();

?>