119 lines
3.4 KiB
PHP
119 lines
3.4 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Jakob Sack
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* @copyright 2012 Jakob Sack owncloud@jakobsack.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* This class does the dirty work.
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*
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* TODO: locking in doAllSteps
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*/
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class OC_BackgroundJob_Worker{
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/**
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* @brief executes all tasks
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* @return boolean
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*
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* This method executes all regular tasks and then all queued tasks.
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* This method should be called by cli scripts that do not let the user
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* wait.
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*/
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public static function doAllSteps() {
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// Do our regular work
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$lasttask = OC_Appconfig::getValue( 'core', 'backgroundjobs_task', '' );
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$regular_tasks = OC_BackgroundJob_RegularTask::all();
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ksort( $regular_tasks );
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foreach( $regular_tasks as $key => $value ) {
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if( strcmp( $key, $lasttask ) > 0 ) {
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// Set "restart here" config value
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OC_Appconfig::setValue( 'core', 'backgroundjobs_task', $key );
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call_user_func( $value );
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}
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}
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// Reset "start here" config value
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OC_Appconfig::setValue( 'core', 'backgroundjobs_task', '' );
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// Do our queued tasks
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$queued_tasks = OC_BackgroundJob_QueuedTask::all();
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foreach( $queued_tasks as $task ) {
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OC_BackgroundJob_QueuedTask::delete( $task['id'] );
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call_user_func( array( $task['klass'], $task['method'] ), $task['parameters'] );
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}
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return true;
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}
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/**
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* @brief does a single task
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* @return boolean
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*
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* This method executes one task. It saves the last state and continues
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* with the next step. This method should be used by webcron and ajax
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* services.
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*/
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public static function doNextStep() {
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$laststep = OC_Appconfig::getValue( 'core', 'backgroundjobs_step', 'regular_tasks' );
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if( $laststep == 'regular_tasks' ) {
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// get last app
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$lasttask = OC_Appconfig::getValue( 'core', 'backgroundjobs_task', '' );
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// What's the next step?
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$regular_tasks = OC_BackgroundJob_RegularTask::all();
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ksort( $regular_tasks );
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$done = false;
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// search for next background job
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foreach( $regular_tasks as $key => $value ) {
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if( strcmp( $key, $lasttask ) > 0 ) {
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OC_Appconfig::setValue( 'core', 'backgroundjobs_task', $key );
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$done = true;
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call_user_func( $value );
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break;
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}
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}
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if( $done == false ) {
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// Next time load queued tasks
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OC_Appconfig::setValue( 'core', 'backgroundjobs_step', 'queued_tasks' );
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}
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}
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else{
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$tasks = OC_BackgroundJob_QueuedTask::all();
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if( count( $tasks )) {
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$task = $tasks[0];
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// delete job before we execute it. This prevents endless loops
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// of failing jobs.
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OC_BackgroundJob_QueuedTask::delete($task['id']);
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// execute job
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call_user_func( array( $task['klass'], $task['method'] ), $task['parameters'] );
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}
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else{
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// Next time load queued tasks
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OC_Appconfig::setValue( 'core', 'backgroundjobs_step', 'regular_tasks' );
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OC_Appconfig::setValue( 'core', 'backgroundjobs_task', '' );
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}
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}
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return true;
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}
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}
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