TimeTrex Community Edition v16.2.0

2022-12-13 07:10:06 +01:00
commit 472f000c1b
6810 changed files with 2636142 additions and 0 deletions
--- a/classes/modules/core/SharedMemory.class.php
+++ b/classes/modules/core/SharedMemory.class.php
@@ -0,0 +1,134 @@
+<?php
+/*********************************************************************************
+ *
+ * TimeTrex is a Workforce Management program developed by
+ * TimeTrex Software Inc. Copyright (C) 2003 - 2021 TimeTrex Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Affero General Public License version 3 as published by
+ * the Free Software Foundation with the addition of the following permission
+ * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
+ * WORK IN WHICH THE COPYRIGHT IS OWNED BY TIMETREX, TIMETREX DISCLAIMS THE
+ * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
+ *
+ * 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 Affero General Public License for more
+ * details.
+ *
+ *
+ * You should have received a copy of the GNU Affero General Public License along
+ * with this program; if not, see http://www.gnu.org/licenses or write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ *
+ *
+ * You can contact TimeTrex headquarters at Unit 22 - 2475 Dobbin Rd. Suite
+ * #292 West Kelowna, BC V4T 2E9, Canada or at email address info@timetrex.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 Affero General Public License version 3.
+ *
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License
+ * version 3, these Appropriate Legal Notices must retain the display of the
+ * "Powered by TimeTrex" logo. If the display of the logo is not reasonably
+ * feasible for technical reasons, the Appropriate Legal Notices must display
+ * the words "Powered by TimeTrex".
+ *
+ ********************************************************************************/
+
+
+/**
+ * @package Core
+ */
+
+/**
+ * Class SharedMemory
+ */
+class SharedMemory {
+	protected $obj = null;
+
+	/**
+	 * SharedMemory constructor.
+	 */
+	function __construct() {
+		global $config_vars;
+
+		$cache_options = [
+				'caching'                => true,
+				'cacheDir'               => $config_vars['cache']['dir'] . DIRECTORY_SEPARATOR,
+				'lifeTime'               => 86400, //One day, cache should be cleared when the data is modified
+				'fileLocking'            => true,
+				'writeControl'           => true,
+				'readControl'            => true,
+				'memoryCaching'          => false,
+				'onlyMemoryCaching'      => false,
+				'automaticSerialization' => true,
+				//'hashedDirectoryLevel'   => 1,
+				'fileNameProtection'     => false,
+				'redisHost'              => ( isset( $config_vars['cache']['redis_host'] ) ) ? $config_vars['cache']['redis_host'] : '',
+				'redisDB'                => ( isset( $config_vars['cache']['redis_db'] ) ) ? $config_vars['cache']['redis_db'] : '',
+		];
+
+		if ( isset( $config_vars['cache']['redis_host'] ) && $config_vars['cache']['redis_host'] != '' ) {
+			//To reduce the number of connections to REDIS, share the same connection across all SharedMemory instances.
+			//  Both ProgressBar and RateLimit classes instantiate SharedMemory.
+			global $tt_shared_memory_obj;
+			if ( is_object( $tt_shared_memory_obj ) ) {
+				$this->obj = $tt_shared_memory_obj;
+			} else {
+				$split_server = explode( ',', $config_vars['cache']['redis_host'] );
+				$cache_options['redisHost'] = $split_server[0]; //Use just the master server, as shared memory doesn't need to span servers.
+
+				require_once( Environment::getBasePath() . 'classes' . DIRECTORY_SEPARATOR . 'modules' . DIRECTORY_SEPARATOR . 'other' . DIRECTORY_SEPARATOR . 'Redis_Cache_Lite.class.php' );
+				$tt_shared_memory_obj = $this->obj = new Redis_Cache_Lite( $cache_options );
+			}
+		} else {
+			$this->obj = new Cache_Lite( $cache_options );
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param $key
+	 * @param $value
+	 * @return bool
+	 */
+	function set( $key, $value ) {
+		if ( is_string( $key ) ) {
+			return $this->obj->save( $value, $key, 'sharedmemory' );
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param $key
+	 * @return bool
+	 */
+	function get( $key ) {
+		if ( is_string( $key ) ) {
+			return $this->obj->get( $key, 'sharedmemory' );
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param $key
+	 * @return bool
+	 */
+	function delete( $key ) {
+		if ( is_string( $key ) ) {
+			return $this->obj->remove( $key, 'sharedmemory' );
+		}
+
+		return false;
+	}
+}
+
+?>