/**
* Executes the available schedules if they are to be executed.
* This method can only be run once - even if one execution takes more
* than planned. This is ensured by a locking mechanism.
*/
public function run()
{
if (!Config::get()->CRONJOBS_ENABLE) {
return;
}
$escalation_time = Config::get()->CRONJOBS_ESCALATION;
// Check whether a previous cronjob worker is still running.
if ($this->lock->isLocked($data)) {
// Running but not yet escalated -> let it run
if ($data['timestamp'] + $escalation_time > time()) {
return;
}
// Load locked schedule
$schedule = CronjobSchedule::find($data['schedule_id']);
// If we discovered a deadlock release it
if ($schedule) {
// Deactivate schedule
$schedule->deactivate();
// Adjust log
$log = CronjobLog::find($data['log_id']);
$log->duration = time() - $data['timestamp'];
$log->exception = new Exception('Cronjob has escalated');
$log->store();
// Inform roots about the escalated cronjob
$subject = sprintf('[Cronjobs] %s: %s', _('Eskalierte Ausführung'), $schedule->title);
$message = sprintf(_('Der Cronjob "%s" wurde deaktiviert, da ' . 'seine Ausführungsdauer die maximale ' . 'Ausführungszeit von %u Sekunden ' . 'überschritten hat.') . "\n", $schedule->title, $escalation_time);
$this->sendMailToRoots($subject, $message);
}
// Release lock
$this->lock->release();
}
// Find all schedules that are due to execute and which task is active
$temp = CronjobSchedule::findBySQL('active = 1 AND next_execution <= UNIX_TIMESTAMP() ' . 'ORDER BY priority DESC, next_execution ASC');
# $temp = SimpleORMapCollection::createFromArray($temp);
$schedules = array_filter($temp, function ($schedule) {
return $schedule->task->active;
});
if (count($schedules) === 0) {
return;
}
foreach ($schedules as $schedule) {
$log = new CronjobLog();
$log->schedule_id = $schedule->schedule_id;
$log->scheduled = $schedule->next_execution;
$log->executed = time();
$log->exception = null;
$log->duration = -1;
$log->store();
set_time_limit($escalation_time);
// Activate the file lock and store the current timestamp,
// schedule id and according log id in it
$this->lock->lock(array('schedule_id' => $schedule->schedule_id, 'log_id' => $log->log_id));
// Start capturing output and measuring duration
ob_start();
$start_time = microtime(true);
try {
$schedule->execute();
} catch (Exception $e) {
$log->exception = $e;
// Deactivate schedule
$schedule->deactivate();
// Send mail to root accounts
$subject = sprintf('[Cronjobs] %s: %s', _('Fehlerhafte Ausführung'), $schedule->title);
$message = sprintf(_('Der Cronjob "%s" wurde deaktiviert, da bei der Ausführung ein Fehler aufgetreten ist.'), $schedule->title) . "\n";
$message .= "\n";
$message .= display_exception($e) . "\n";
$message .= _('Für weiterführende Informationen klicken Sie bitten den folgenden Link:') . "\n";
$message .= $GLOBALS['ABSOLUTE_URI_STUDIP'] . URLHelper::getURL('dispatch.php/admin/cronjobs/logs/schedule/' . $schedule->schedule_id);
$this->sendMailToRoots($subject, $message);
}
// Actually capture output and duration
$end_time = microtime(true);
$output = ob_get_clean();
// Complete log
$log->output = $output;
$log->duration = $end_time - $start_time;
$log->store();
}
// Release lock
$this->lock->release();
}
function display_phpc()
{
global $phpc_messages, $phpc_redirect, $phpc_script, $phpc_prefix, $phpc_title, $phpcdb, $phpc_cal, $phpc_home_url;
$navbar = false;
try {
$calendars = $phpcdb->get_calendars();
$list = array();
if (isset($phpc_cal)) {
$phpc_title = $phpc_cal->get_title();
$title_link = tag('a', attrs("href='{$phpc_home_url}?phpcid={$phpc_cal->get_cid()}'", 'class="phpc-dropdown-list-title"'), $phpc_title);
} else {
$phpc_title = __("(No calendars)");
$title_link = $phpc_title;
}
foreach ($calendars as $calendar) {
$list["{$phpc_home_url}?phpcid={$calendar->get_cid()}"] = $calendar->get_title();
}
if (sizeof($calendars) > 1) {
$title_tag = create_dropdown_list($title_link, $list);
} else {
$title_tag = $title_link;
}
$content = do_action();
if (sizeof($phpc_messages) > 0) {
$messages = tag('div');
foreach ($phpc_messages as $message) {
$messages->add($message);
}
// If we're redirecting, the messages might not get
// seen, so don't clear them
if (empty($phpc_redirect)) {
$_SESSION["{$phpc_prefix}messages"] = NULL;
}
} else {
$messages = '';
}
return tag('div', attrs('class="php-calendar ui-widget"'), userMenu(), tag('br', attrs('style="clear:both;"')), tag('div', attrs('class="phpc-title ui-widget-header"'), $title_tag), navbar(), $messages, $content, footer());
} catch (PermissionException $e) {
$msg = __('You do not have permission to do that: ') . $e->getMessage();
if (is_user()) {
return error_message_redirect($msg, $phpc_script);
} else {
return error_message_redirect($msg, "{$phpc_script}?action=login");
}
} catch (InvalidInputException $e) {
return error_message_redirect($e->getMessage(), $e->target);
} catch (Exception $e) {
return display_exception($e, $navbar);
}
}
$phpc_fa_path = "//maxcdn.bootstrapcdn.com/font-awesome/{$fa_version}";
}
if (!isset($phpc_jq_file)) {
$phpc_jq_file = "//ajax.googleapis.com/ajax/libs/jquery/{$jquery_version}/jquery{$phpc_min}.js";
}
/*
* Do not modify anything under this point
*/
define('IN_PHPC', true);
require_once "{$phpc_includes_path}/calendar.php";
try {
require_once "{$phpc_includes_path}/setup.php";
} catch (Exception $e) {
header("Content-Type: text/html; charset=UTF-8");
echo "<!DOCTYPE html>\n";
echo display_exception($e)->toString();
exit;
}
if ($vars["content"] == "json") {
header("Content-Type: application/json; charset=UTF-8");
echo do_action();
} else {
header("Content-Type: text/html; charset=UTF-8");
// This sets global variables that determine the title in the header
$content = display_phpc();
$embed_script = '';
if ($vars["content"] == "embed") {
$underscore_version = "1.5.2";
$embed_script = array(tag("script", attrs('src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/' . "{$underscore_version}/underscore-min.js\""), ''), tag('script', attrs('src="static/embed.js"'), ''));
}
$html = tag('html', attrs("lang=\"{$phpc_lang}\""), tag('head', tag('title', $phpc_title), tag('link', attrs('rel="icon"', "href=\"{$phpc_url_path}/static/office-calendar.png\"")), tag('meta', attrs('http-equiv="Content-Type"', 'content="text/html; charset=UTF-8"')), tag('link', attrs('rel="stylesheet"', "href=\"{$phpc_static_path}/phpc.css\"")), tag('link', attrs('rel="stylesheet"', "href=\"{$phpc_jqui_path}/themes/{$phpc_theme}/jquery-ui{$phpc_min}.css\"")), tag('link', attrs('rel="stylesheet"', "href=\"{$phpc_static_path}/jquery-ui-timepicker.css\"")), tag('link', attrs('rel="stylesheet"', "href=\"{$phpc_fa_path}/css/font-awesome{$phpc_min}.css\"")), tag("script", attrs("src=\"{$phpc_jq_file}\""), ''), tag("script", attrs("src=\"{$phpc_jqui_path}/jquery-ui{$phpc_min}.js\""), ''), tag('script', attrs("src=\"{$phpc_static_path}/phpc.js\""), ''), tag("script", attrs("src=\"{$phpc_static_path}/jquery.ui.timepicker.js\""), ''), tag("script", attrs("src=\"{$phpc_static_path}/farbtastic.min.js\""), ''), tag('link', attrs('rel="stylesheet"', "href=\"{$phpc_static_path}/farbtastic.css\""))), tag('body', $embed_script, $content));
echo number_format($log->duration, 6, ',', '.');
?>
<?php
echo _('Sekunden');
?>
<? endif; ?>
</dd>
<? if (!empty($log->output)): ?>
<dt><?php
echo _('Ausgabe');
?>
</dt>
<dd><pre><?php
echo htmlReady($log->output);
?>
</pre></dd>
<? endif; ?>
<? if ($log->exception !== null): ?>
<dt><?php
echo _('Fehler');
?>
</dt>
<dd><?php
echo display_exception($log->exception, true);
?>
</dd>
<? endif; ?>
</dl>
/**
* Displays the provided exception in a more readable fashion.
*
* @param Exception $exception The exception to be displayed
* @param bool $as_html Indicates whether the exception shall be displayed as
* plain text or html (optional, defaults to plain text)
* @param bool $deep Indicates whether any previous exception should be
* included in the output (optional, defaults to false)
* @return String The exception display either as plain text or html
*/
function display_exception(Exception $exception, $as_html = false, $deep = false)
{
$result = '';
$result .= sprintf("%s: %s\n", _('Typ'), get_class($exception));
$result .= sprintf("%s: %s\n", _('Nachricht'), $exception->getMessage());
$result .= sprintf("%s: %d\n", _('Code'), $exception->getCode());
$trace = sprintf(" #\$ %s(%u)\n", $exception->getFile(), $exception->getLine()) . ' ' . str_replace("\n", "\n ", $exception->getTraceAsString());
$trace = str_replace($GLOBALS['STUDIP_BASE_PATH'] . '/', '', $trace);
$result .= sprintf("%s:\n%s\n", _('Stack trace'), $trace);
if ($deep && $exception->getPrevious()) {
$result .= "\n";
$result .= _('Vorherige Exception:') . "\n";
$result .= display_exception($exception->getPrevious(), false, $deep);
}
return $as_html ? nl2br(htmlReady($result)) : $result;
}
<?php
$current_page = _('Fehler');
$title = _('Fehler! Bitte wenden Sie sich an Ihren Systemadministrator.');
$details = array(htmlReady($exception->getMessage()));
if (Studip\ENV == 'development') {
$title = "Houston, we've got a problem.";
$details = array(display_exception($exception, true, true));
}
?>
<?php
echo MessageBox::exception($title, $details);
?>
<p>
<?php
echo _('Zurück zur');
?>
<a href="<?php
echo URLHelper::getLink('index.php');
?>
"><?php
echo _('Startseite');
?>
</a>
</p>