init

include/utils/external_cache/SugarCache_Memcache.php

@@ -0,0 +1,117 @@
+<?php
+if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
+/*********************************************************************************
+ * SugarCRM is a customer relationship management program developed by
+ * SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM 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 SUGARCRM, SUGARCRM 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 SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
+ * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.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
+ * SugarCRM" logo. If the display of the logo is not reasonably feasible for
+ * technical reasons, the Appropriate Legal Notices must display the words
+ * "Powered by SugarCRM".
+ ********************************************************************************/
+
+class SugarCache_Memcache extends SugarCache_ExternalAbstract
+{
+    var $_memcache = null;
+    var $_config = array(
+        'host' => 'localhost',
+        'port' => 11211,
+    );
+
+    function SugarCache_Memcache()
+    {
+        $config = SugarConfig::getInstance();
+        $this->_config['host'] = $config->get('external_cache.memcache.host', 'localhost');
+        $this->_config['port'] = $config->get('external_cache.memcache.port', 11211);
+    }
+
+    function init()
+    {
+        if (EXTERNAL_CACHE_DEBUG) {
+            SugarCache::log('initializing memcache');
+        }
+        $this->_memcache = new Memcache();
+        $status = @$this->_memcache->connect(
+            $this->_config['host'],
+            $this->_config['port']
+        );
+        if (!$status) {
+            if (EXTERNAL_CACHE_DEBUG) {
+                SugarCache::log('initialization of memcache failed', 'fail');
+            }
+            $this->initialized = false;
+            return;
+        } 
+        parent::init();
+    }
+
+    function get($key)
+    {
+        $value = parent::get($key);
+        if (!is_null($value)) {
+            return $value;
+        }
+        if (EXTERNAL_CACHE_DEBUG) {
+            SugarCache::log('grabbing via Memcache::get(' . $this->_realKey($key) . ')');
+        }
+        return $this->_processGet(
+            $key,
+            $this->_memcache->get(
+                $this->_realKey($key)
+            )
+        );
+    }
+
+    function set($key, $value)
+    {
+        parent::set($key, $value);
+
+        // caching is turned off
+        if(!$GLOBALS['external_cache_enabled']) {
+            return;
+        }
+
+        $external_key = $this->_realKey($key);
+		if (EXTERNAL_CACHE_DEBUG) {
+            SugarCache::log("Step 3: Converting key ($key) to external key ($external_key)");
+        }
+
+        $this->_memcache->set($external_key, $value, $this->timeout);
+
+        if (EXTERNAL_CACHE_DEBUG) {
+            SugarCache::log("Step 4: Added key to memcache cache {$external_key} with value ($value) to be stored for ".EXTERNAL_CACHE_INTERVAL_SECONDS." seconds");
+        }
+    }
+
+    function __unset($key)
+    {
+        parent::__unset($key);
+        $this->_memcache->delete($this->_realKey($key));
+    }
+}
+