function Redis_Connect($xmlFile)
{
if (!is_readable($xmlFile)) {
throw new Exception(sprintf('File "%s" does not exits or is not readable.', $xmlFile));
}
$xml = simplexml_load_file($xmlFile, 'SimpleXMLElement', LIBXML_NOCDATA);
/** @noinspection PhpUndefinedFieldInspection */
$host = strval($xml->global->cache->backend_options->server);
/** @noinspection PhpUndefinedFieldInspection */
$port = strval($xml->global->cache->backend_options->port);
/** @noinspection PhpUndefinedFieldInspection */
$db = strval($xml->global->cache->backend_options->database);
if (empty($host)) {
throw new Exception(sprintf('Redis server hostname is not found in "%s".', $xmlFile));
}
if (empty($port)) {
throw new Exception(sprintf('Redis server port is not found in "%s".', $xmlFile));
}
if (!strlen($db)) {
throw new Exception(sprintf('Redis database number is not found in "%s".', $xmlFile));
}
if ('/' == substr($host, 0, 1)) {
// Socket
$server = $host;
} else {
// TCP
$server = sprintf('tcp://%s:%d', $host, $port);
}
$client = new Credis_Client($server);
$client->select($db);
return $client;
}
/**
* @param string $id
* @return array
* @throws Exception
*/
public function _inspectSession($id)
{
if (!$this->_useRedis) {
throw new Exception('Not connected to redis!');
}
$sessionId = 'sess_' . $id;
$this->_redis->select($this->_dbNum);
$data = $this->_redis->hGetAll($sessionId);
if ($data && isset($data['data'])) {
$data['data'] = $this->_decodeData($data['data']);
}
return $data;
}
public function testGettersAndSetters()
{
$this->assertEquals($this->credis->getHost(), $this->config[0]->host);
$this->assertEquals($this->credis->getPort(), $this->config[0]->port);
$this->assertEquals($this->credis->getSelectedDb(), 0);
$this->assertTrue($this->credis->select(2));
$this->assertEquals($this->credis->getSelectedDb(), 2);
$this->assertTrue($this->credis->isConnected());
$this->credis->close();
$this->assertFalse($this->credis->isConnected());
$this->credis = new Credis_Client($this->config[0]->host, $this->config[0]->port, null, 'persistenceId');
$this->assertEquals('persistenceId', $this->credis->getPersistence());
$this->credis = new Credis_Client('localhost', 12345);
$this->credis->setMaxConnectRetries(1);
$this->setExpectedException('CredisException', 'Connection to Redis failed after 2 failures.');
$this->credis->connect();
}
/**
* Log a hit or a miss to Redis.
*
* @param string $fullActionName
* @param bool $hit
*/
public function logRequest($fullActionName, $hit)
{
try {
$redis = new Credis_Client($this->config->server, NULL, 0.1);
$redis->pipeline();
if ($this->config->db) {
$redis->select($this->config->db);
}
$redis->incr('diehard:' . ($hit ? 'hit' : 'miss'));
if ($fullActionName && $this->config->is('full_action_name')) {
$redis->incr('diehard:' . $fullActionName . ':' . ($hit ? 'hit' : 'miss'));
}
$redis->exec();
$redis->close();
} catch (Exception $e) {
Mage::log($e->getMessage(), Zend_Log::ERR, 'diehard_counter.log');
}
}
/**
* Public for testing/inspection purposes only.
*
* @param $forceStandalone
* @return \Credis_Client
*/
public function _redisClient($forceStandalone)
{
if ($forceStandalone) {
$this->_redis->forceStandalone();
}
if ($this->_dbNum) {
$this->_redis->select($this->_dbNum);
}
return $this->_redis;
}
/**
* Destroy session
*
* @param string $sessionId
* @return boolean
*/
public function destroy($sessionId)
{
$this->_log(sprintf("Destroying ID %s", $sessionId));
$this->_redis->pipeline();
if ($this->_dbNum) {
$this->_redis->select($this->_dbNum);
}
$this->_redis->del(self::SESSION_PREFIX . $sessionId);
$this->_redis->exec();
return true;
}
<?php
//version 0.0.1
$mageFilename = '../app/Mage.php';
require_once $mageFilename;
Mage::setIsDeveloperMode(true);
ini_set('display_errors', 1);
umask(0);
Mage::app();
/**
* Set up the redis client
*/
$_redis;
$_redis = new Credis_Client('localhost', 6379, 90, True);
$_redis->select(0) || Zend_Cache::throwException('The redis database could not be selected.');
/**
* Set up the Session Model to help with compression and other misc items.
*/
$session = Mage::getModel('Cm_RedisSession_Model_Session ');
/**
* Get the resource model
*/
$resource = Mage::getSingleton('core/resource');
/**
* Retrieve the read connection
*/
$readConnection = $resource->getConnection('core_read');
// 1. query to order by session_expires, limit N, save last expire time, and session_id
// 2. modify query with where session_expires >= last expire time, and session_id != session_id
$exptime = 0;
$lastid = 'NONE';
/**
* Contruct Zend_Cache Redis backend
* @param array $options
* @return \Cm_Cache_Backend_Redis
*/
public function __construct($options = array())
{
if (empty($options['server'])) {
Zend_Cache::throwException('Redis \'server\' not specified.');
}
if (empty($options['port']) && substr($options['server'], 0, 1) != '/') {
Zend_Cache::throwException('Redis \'port\' not specified.');
}
$port = isset($options['port']) ? $options['port'] : NULL;
$timeout = isset($options['timeout']) ? $options['timeout'] : self::DEFAULT_CONNECT_TIMEOUT;
$persistent = isset($options['persistent']) ? $options['persistent'] : '';
$this->_redis = new Credis_Client($options['server'], $port, $timeout, $persistent);
if (isset($options['force_standalone']) && $options['force_standalone']) {
$this->_redis->forceStandalone();
}
$connectRetries = isset($options['connect_retries']) ? (int) $options['connect_retries'] : self::DEFAULT_CONNECT_RETRIES;
$this->_redis->setMaxConnectRetries($connectRetries);
if (!empty($options['read_timeout']) && $options['read_timeout'] > 0) {
$this->_redis->setReadTimeout((double) $options['read_timeout']);
}
if (!empty($options['password'])) {
$this->_redis->auth($options['password']) or Zend_Cache::throwException('Unable to authenticate with the redis server.');
}
// Always select database on startup in case persistent connection is re-used by other code
if (empty($options['database'])) {
$options['database'] = 0;
}
$this->_redis->select((int) $options['database']) or Zend_Cache::throwException('The redis database could not be selected.');
if (isset($options['notMatchingTags'])) {
$this->_notMatchingTags = (bool) $options['notMatchingTags'];
}
if (isset($options['compress_tags'])) {
$this->_compressTags = (int) $options['compress_tags'];
}
if (isset($options['compress_data'])) {
$this->_compressData = (int) $options['compress_data'];
}
if (isset($options['lifetimelimit'])) {
$this->_lifetimelimit = (int) min($options['lifetimelimit'], self::MAX_LIFETIME);
}
if (isset($options['compress_threshold'])) {
$this->_compressThreshold = (int) $options['compress_threshold'];
}
if (isset($options['automatic_cleaning_factor'])) {
$this->_options['automatic_cleaning_factor'] = (int) $options['automatic_cleaning_factor'];
} else {
$this->_options['automatic_cleaning_factor'] = 0;
}
if (isset($options['compression_lib'])) {
$this->_compressionLib = $options['compression_lib'];
} else {
if (function_exists('snappy_compress')) {
$this->_compressionLib = 'snappy';
} else {
if (function_exists('lzf_compress')) {
$this->_compressionLib = 'lzf';
} else {
$this->_compressionLib = 'gzip';
}
}
}
$this->_compressPrefix = substr($this->_compressionLib, 0, 2) . self::COMPRESS_PREFIX;
if (isset($options['use_lua'])) {
$this->_useLua = (bool) $options['use_lua'];
}
}