schedulerService.php
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<?php
/**
* $Id$
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
$myservicename = 'ktscheduler';
// Connect to service dispatcher and notify that startup was successful
if (!win32_start_service_ctrl_dispatcher($myservicename)) die('Could not connect to service :'.$myservicename);
win32_set_service_status(WIN32_SERVICE_RUNNING);
chdir(dirname(__FILE__)); // need to be here to include dmsDefaults
require_once('../../config/dmsDefaults.php');
global $default;
$config = KTConfig::getSingleton();
$schedulerInterval = $config->get('KnowledgeTree/schedulerInterval',30); // interval in seconds
//$phpPath = $config->get('externalBinary/php','php'); // TODO - fix me
// Change to knowledgeTree/bin folder
$dir = realpath(dirname(__FILE__) . '/..');
chdir($dir);
// Setup php binary path
$phpPath = realpath('../../php/php.exe');
if (!is_file($phpPath))
{
$default->log->error("Scheduler: php not found: $phpPath");
exit;
}
$loop = true;
$bTableExists = false;
while(!$bTableExists){
switch (win32_get_last_control_message())
{
case WIN32_SERVICE_CONTROL_CONTINUE:
break; // Continue server routine
case WIN32_SERVICE_CONTROL_INTERROGATE:
win32_set_service_status(WIN32_NO_ERROR);
break; // Respond with status
case WIN32_SERVICE_CONTROL_STOP: win32_set_service_status(WIN32_SERVICE_STOPPED);
$loop = false; // Terminate script
$bTableExists = true;
continue;
default:
win32_set_service_status(WIN32_ERROR_CALL_NOT_IMPLEMENTED); // Add more cases to handle other service calls
}
$default->log->info("Scheduler Service: Checking if the scheduler_tasks table exists.");
$checkQuery = 'show tables';
$tableList = DBUtil::getResultArray($checkQuery);
if(!empty($tableList)){
foreach($tableList as $table){
if(in_array('scheduler_tasks', $table)){
$bTableExists = true;
}
}
}
if(!$bTableExists){
$default->log->error('Scheduler Service: Scheduler_tasks table does not exist, sleeping for 30 seconds');
sleep(30);
}
}
$default->log->info("Scheduler Service: starting main loop");
// Main Scheduler Service Loop
while ($loop)
{
switch (win32_get_last_control_message())
{
case WIN32_SERVICE_CONTROL_CONTINUE:
break; // Continue server routine
case WIN32_SERVICE_CONTROL_INTERROGATE:
win32_set_service_status(WIN32_NO_ERROR);
break; // Respond with status
case WIN32_SERVICE_CONTROL_STOP: win32_set_service_status(WIN32_SERVICE_STOPPED);
$loop = false; // Terminate script
continue;
default:
win32_set_service_status(WIN32_ERROR_CALL_NOT_IMPLEMENTED); // Add more cases to handle other service calls
}
// Run the scheduler script
$cmd = "\"$phpPath\" \"$dir/scheduler.php\"";
$default->log->info('Scheduler Service: cmd - ' .$cmd );
$WshShell = new COM("WScript.Shell");
$res = $WshShell->Run($cmd, 0, true);
//$cmd = str_replace( '/','\\',$cmd);
//$res = `$cmd 2>&1`;
if (!empty($res))
{
$default->log->error('Scheduler Service: unexpected output - ' .$res);
}
sleep($schedulerInterval);
}
win32_set_service_status(WIN32_SERVICE_STOPPED);
$default->log->error("Scheduler Service: exiting main loop");
?>