scheduler.php
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<?php
/**
* $Id:$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*
*/
require_once('schedulerUtil.php');
/**
* Class to add new tasks to the scheduler
*/
class Scheduler
{
var $sName = 'Task';
var $sPath = '/var/tasks/';
var $aParams = '';
var $sFreq = 'daily';
var $iStartTime = '';
/**
* Constructor function - set the name of the task
*/
function Scheduler($sName) {
$this->sName = $sName;
$this->sFreq = 'daily';
$this->iStartTime = time();
}
/**
* Set the name of the task
*/
function setTaskName($sName) {
$this->sName = $sName;
}
/**
* Set the path to the script from the KT base path
* For example: "/var/tasks/script.php" or "/bin/script.php"
*/
function setScriptPath($sPath) {
$this->sPath = $sPath;
}
/**
* Add a parameter pair to pass to the script
*/
function addParameter($param, $value){
$this->aParams[$param] = $value;
}
/**
* Set the frequency with which the task must be run
* Frequencies are: daily, weekly, monthly, hourly, half_hourly, quarter_hourly, 10mins, 5mins and once
*/
function setFrequency($sFrequency) {
$this->sFreq = $sFrequency;
}
/**
* Set the time at which the task should first be run or if it is a once off, the time to run it.
* Time should be in datetime format.
* By default the time is set to now.
*/
function setFirstRunTime($iTime) {
$this->iStartTime = !empty($iTime) ? $iTime : date('Y-m-d H:i:s');
}
/**
* Create a script - write it to the filesystem.
* Scripts are saved in the KT_DIR."/var/tasks/" directory.
* The file name is the task name followed by a random number.
*/
function saveScript($sScript = '') {
// Path to scripts
$ktPath = '/var/tasks/';
$path = KT_DIR.$ktPath;
if(!is_dir($path)){
mkdir($path, '0755');
}
// Create script file
$sName = str_replace(' ', '_', $this->sName);
$sName = str_replace('', "'", $sName);
$sName = str_replace('', "&", $sName);
$sFileName = $sName.'_'.mt_rand(1, 999).'.php';
while(file_exists($path.$sFileName)){
$sFileName = $sTask.'_'.mt_rand(1, 9999).'.php';
}
$fp = fopen($path.$sFileName, 'wb');
fwrite($fp, $sScript);
fclose($fp);
$this->sPath = $ktPath.$sFileName;
}
/**
* Register the task in the scheduler
*/
function registerTask(){
schedulerUtil::registerTask($this->sName, $this->sPath, $this->aParams, $this->sFreq, $this->iStartTime);
}
}
?>