draft implementation of the tasking toolkit
hecht
14 years ago
parent
2917f26236
commit
0a236f6541
@ -0,0 +1,167 @@
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<?php
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/*
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*
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* @copyright (c) 2012 animegame.eu
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* @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public Licence
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* @author hecht
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*/
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include_once(ROOT_PATH.'/include/semaphore.inc.php');
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include_once(ROOT_PATH . '/include/sqlwrapper.inc.php');
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define(TASKING_NO_RESCEDULE, 0);
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define(TASKING_5_MIN, 0);
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define(TASKING_10_MIN, 0);
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define(TASKING_15_MIN, 0);
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define(TASKING_30_MIN, 0);
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define(TASKING_1_HOUR, 0);
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define(TASKING_2_HOUR, 0);
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define(TASKING_6_HOUR, 0);
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define(TASKING_12_HOUR, 0);
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define(TASKING_DAYLY, 0);
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define(TASKING_DAY_OF_WEEK, 0);
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define(TASKING_DAY_OF_MONTH, 0);
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/**
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* The method that has to be called by a cronjob!
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*/
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function tick() {
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$resource = 'cronjob';
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if(semaphoreUP($resource)) { // do not do in parallel
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return;
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}
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$ids = getPassedTaskIds();
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foreach ($ids as $id) {
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executeScript($id);
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}
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semaphoreDown($resource);
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}
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/**
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* Schedule a task
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*
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* @param string $script_name the name of the script e.g. "generic_tournament.php")
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* @param array $parameters the parameters to use array("key" => "value) style
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* @param long $execution_time the posix timestamp
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* @param int $repeat_mode something like "TASKING_NO_RESCEDULE" or TASKING_5_MIN ...
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* @param bool $catchUpOn should missed tasks be catched up on later? If unsure what you are doing do not use this ;)
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* @param int $task_id the task id that should be updated (if one only wants to update an existant job)
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*/
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function schedule($script_name, array $parameters, $execution_time, $repeat_mode, $catchUpOn = false, $task_id = NULL) {
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if($task_id === NULL) {
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db_query('INSERT INTO tasking(script_name, parameter, schedule_time, mode, catchup) values(\''.$script_name.'\', \''.implode(',', parameters).'\', \''.$execution_time.'\', \''.$repeat_mode.'\', \''.$catchUpOn.'\')');
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} else {
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db_query('UPDATE tasking SET script_name = \''.$script_name.'\' , parameter = \''.implode(',', parameters).'\', schedule_time = \''.$execution_time.'\', mode = \''.$repeat_mode.'\', catchup = \''.$catchUpOn.'\' WHERE task_id = ' . $task_id);
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}
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}
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/**
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* Get the task ids of all tasks
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*/
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function getAllTaskIds() {
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$qry = db_query('SELECT task_id FROM tasking');
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if(!$qry)
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return array();
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$result = array();
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while($row = mysql_fetch_row($qry)) {
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$result[] = $row[0];
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}
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return $result;
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}
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/**
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* Get the task ids of tasks that should have been executed
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*/
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function getPassedTaskIds($timestamp = NULL) {
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if($timestamp === NULL) {
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$timestamp = time();
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}
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$qry = db_query('SELECT task_id FROM tasking WHERE schedule_time <= ' . $timestamp);
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if(!$qry)
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return array();
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$result = array();
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while($row = mysql_fetch_row($qry)) {
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$result[] = $row[0];
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}
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return $result;
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}
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/**
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* Get the task array
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* @param int $task_id the id of the task
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*/
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function getTask($task_id) {
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$qry = db_query('SELECT * FROM tasking WHERE task_id = ' . $task_id);
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if(!$qry)
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return null;
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return mysql_fetch_assoc($qry);
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}
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/**
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* removes the task
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* @param int $task_id the id of the task
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*/
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function deleteTask($task_id) {
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db_query('DELETE FROM tasking WHERE task_id = ' . $task_id);
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}
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function executeScript($task_id) {
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$task = getTask($task_id);
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if($task === NULL) {
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// the task has been deleted ... do nothing
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return;
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}
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$time = $task['schedule_time'];
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switch($task['mode'])
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{
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case TASKING_NO_RESCEDULE:
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deleteTask($task_id);
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return;
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case TASKING_5_MIN:
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$time = $time + 300; // offset of 300 sec (5 min)
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break;
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case TASKING_10_MIN:
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$time = $time + 600; // offset of 600 sec (10 min)
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break;
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case TASKING_15_MIN:
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$time = $time + 900; // offset of 900 sec (15 min)
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break;
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case TASKING_30_MIN:
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$time = $time + 1800; // offset of 1800 sec (30 min)
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break;
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case TASKING_1_HOUR:
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$time = $time + 3600; // offset of 3600 sec (1 h)
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break;
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case TASKING_2_HOUR:
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$time = $time + 7200; // offset of 7200 sec (2 h)
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break;
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case TASKING_6_HOUR:
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$time = $time + 21600; // offset of 21600 sec (6 h)
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break;
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case TASKING_12_HOUR:
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$time = $time + 43200; // offset of 43200 sec (12 h)
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break;
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case TASKING_DAYLY:
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$time = $time + 86400; // offset of 86400 sec (24 h)
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break;
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case TASKING_DAY_OF_WEEK:
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$time = $time + 604800; // offset of 604800 sec (7 days)
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break;
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case TASKING_DAY_OF_MONTH:
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// the way of calculation is somehow more complex ;)
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$time = mktime(date("H", $time), date("i", $time), date("s", $time), date("m", $time)-1, date("d", $time), date("Y", $time));
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break;
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}
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// reschedule !
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schedule($task['script_name'], $task['parameter'], $time, $task['mode'], $task['catchup']);
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}
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?>
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