<?php

/*

Copyright:: 2013, Sebastian Grewe

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

 */

define('SECURITY', '*)WT#&YHfd');
// Whether or not to check SECHASH for validity, still checks if SECURITY defined as before if disabled
define('SECHASH_CHECK', false);

// Nothing below here to configure, move along...

// change SECHASH every second, we allow up to 3 sec back for slow servers
if (SECHASH_CHECK) {
  function fip($tr=0) { return md5(SECURITY.(time()-$tr).SECURITY); }
  define('SECHASH', fip());
  function cfip() { return (fip()==SECHASH||fip(1)==SECHASH||fip(2)==SECHASH) ? 1 : 0; }
} else {
  function cfip() { return (@defined('SECURITY')) ? 1 : 0; }
}

// MODIFY THIS
// We need to find our include files so set this properly
define("BASEPATH", dirname(__FILE__) . "/");

/*****************************************************
 * No need to change beyond this point               *
 *****************************************************/

// Used in autoloading of API class, adding it to stop PHP warnings
$dStartTime = microtime(true);

// Our cron name
$cron_name = basename($_SERVER['PHP_SELF'], '.php');

// Include our configuration (holding defines for the requires)
require_once(BASEPATH . '../include/bootstrap.php');
require_once(BASEPATH . '../include/version.inc.php');

// Load 3rd party logging library for running crons
$log = KLogger::instance( BASEPATH . '../logs/' . $cron_name, KLogger::INFO );

// Command line switches
array_shift($argv);
foreach ($argv as $index => $option) {
  switch ($option) {
  case '-f':
    $monitoring->setStatus($cron_name . "_disabled", "yesno", 0);
    $monitoring->setStatus($cron_name . "_active", "yesno", 0);
    break;
  case '-t':
    // When `-t TIME_IN_SEC` is specified, we ignore the cron active flag
    // if the time elapsed `TIME_IN_SEC` seconds after the last job started.

    // Check the next argument is the value for -t option.
    if (!($index + 1 < count($argv)) || // check if '-t' is not the last argument.
        !(ctype_digit($argv[$index + 1]))) { // check the next argument is numeric string
      $log->logFatal('Option -t requires an integer.');
      $monitoring->endCronjob($cron_name, 'E0085', 3, true, false);
    }

    $timeout = intval($argv[$index + 1]);
    $timeElapsedFromLastStart = $dStartTime - $monitoring->getLastCronStarted($cron_name);

    if ($timeElapsedFromLastStart > $timeout) {
      $log->logWarn("Previous cronjob `$cron_name` is started before than you specified by -t. Re-run forced.");
      $monitoring->setStatus($cron_name . "_active", "yesno", 0);
    }
    break;
  }
}

$log->LogDebug('Starting ' . $cron_name);

// Load the start time for later runtime calculations for monitoring
$cron_start[$cron_name] = microtime(true);

// Skip all crons if admin enabled pool maintenance
if ($setting->getValue('maintenance')) {
  $log->logInfo('Cronjobs disabled due to pool maintenance');
  $monitoring->endCronjob($cron_name, 'E0083', 2, true, false);
}

// Check if our cron is activated
if ($monitoring->isDisabled($cron_name)) {
  $log->logFatal('Cronjob is currently disabled due to errors, use -f option to force running cron.');
  $monitoring->endCronjob($cron_name, 'E0018', 1, true, false);
}

// Mark cron as running for monitoring
$log->logDebug('Marking cronjob as running for monitoring');
if (!$monitoring->startCronjob($cron_name)) {
  $log->logFatal('Unable to start cronjob: ' . $monitoring->getCronError());
  exit;
}

// Check if we need to halt our crons due to an outstanding upgrade
if ($setting->getValue('DB_VERSION') != DB_VERSION || $config['version'] != CONFIG_VERSION) {
  $log->logFatal('Cronjob is currently disabled due to required upgrades. Import any outstanding SQL files and check your configuration file.');
  $monitoring->endCronjob($cron_name, 'E0075', 0, true, false);
}