/**
* Give (if possible) an extra lifetime to the given cache id
*
* @param string $id cache id
* @param int $extraLifetime
* @return boolean true if ok
*/
public function touch($id, $extraLifetime)
{
list($inf) = $this->_redis->hGet(self::PREFIX_KEY . $id, self::FIELD_INF);
if ($inf === '0') {
$expireAt = time() + $this->_redis->ttl(self::PREFIX_KEY . $id) + $extraLifetime;
return (bool) $this->_redis->expireAt(self::PREFIX_KEY . $id, $expireAt);
}
return false;
}
public function testHashes()
{
$this->assertEquals(1, $this->credis->hSet('hash', 'field1', 'foo'));
$this->assertEquals(0, $this->credis->hSet('hash', 'field1', 'foo'));
$this->assertEquals('foo', $this->credis->hGet('hash', 'field1'));
$this->assertEquals(NULL, $this->credis->hGet('hash', 'x'));
$this->assertTrue($this->credis->hMSet('hash', array('field2' => 'Hello', 'field3' => 'World')));
$this->assertEquals(array('foo', 'Hello', FALSE), $this->credis->hMGet('hash', array('field1', 'field2', 'nilfield')));
$this->assertEquals(array(), $this->credis->hGetAll('nohash'));
$this->assertEquals(array('field1' => 'foo', 'field2' => 'Hello', 'field3' => 'World'), $this->credis->hGetAll('hash'));
}
/**
* Update session
*
* @param string $sessionId
* @param string $sessionData
* @return boolean
*/
public function write($sessionId, $sessionData)
{
if (!$this->_useRedis) {
return parent::write($sessionId, $sessionData);
}
if ($this->_sessionWritten) {
if ($this->_logLevel >= 7) {
Mage::log(sprintf("%s: Repeated session write detected; skipping for ID %s", $this->_getPid(), $sessionId), Zend_Log::DEBUG, self::LOG_FILE);
}
return TRUE;
}
$this->_sessionWritten = TRUE;
if ($this->_logLevel >= 7) {
Mage::log(sprintf("%s: Attempting write to ID %s", $this->_getPid(), $sessionId), Zend_Log::DEBUG, self::LOG_FILE);
// reset timer
$this->_timeStart = microtime(true);
}
// Do not overwrite the session if it is locked by another pid
try {
if ($this->_dbNum) {
$this->_redis->select($this->_dbNum);
}
// Prevent conflicts with other connections?
$pid = $this->_redis->hGet('sess_' . $sessionId, 'pid');
// PHP Fatal errors cause self::SESSION_PREFIX to not work..
if (!$pid || $pid == $this->_getPid()) {
if ($this->_logLevel >= 7) {
Mage::log(sprintf("%s: Write lock obtained on ID %s", $this->_getPid(), $sessionId), Zend_Log::DEBUG, self::LOG_FILE);
}
$this->_writeRawSession($sessionId, $sessionData, $this->getLifeTime());
if ($this->_logLevel >= 7) {
Mage::log(sprintf("%s: Data written to ID %s after %.5f seconds", $this->_getPid(), $sessionId, microtime(true) - $this->_timeStart), Zend_Log::DEBUG, self::LOG_FILE);
}
} else {
if ($this->_logLevel >= 4) {
if ($this->_hasLock) {
Mage::log(sprintf("%s: Unable to write session after %.5f seconds, another process took the lock for ID %s", $this->_getPid(), microtime(true) - $this->_timeStart, $sessionId), Zend_Log::WARN, self::LOG_FILE);
} else {
Mage::log(sprintf("%s: Unable to write session after %.5f seconds, unable to acquire lock on ID %s", $this->_getPid(), microtime(true) - $this->_timeStart, $sessionId), Zend_Log::WARN, self::LOG_FILE);
}
}
}
} catch (Exception $e) {
if (class_exists('Mage', false)) {
Mage::logException($e);
} else {
error_log("{$e}");
}
return FALSE;
}
return TRUE;
}
public function testHashes()
{
$this->assertEquals(1, $this->credis->hSet('hash', 'field1', 'foo'));
$this->assertEquals(0, $this->credis->hSet('hash', 'field1', 'foo'));
$this->assertEquals('foo', $this->credis->hGet('hash', 'field1'));
$this->assertEquals(NULL, $this->credis->hGet('hash', 'x'));
$this->assertTrue($this->credis->hMSet('hash', array('field2' => 'Hello', 'field3' => 'World')));
$this->assertEquals(array('foo', 'Hello', FALSE), $this->credis->hMGet('hash', array('field1', 'field2', 'nilfield')));
$this->assertEquals(array(), $this->credis->hGetAll('nohash'));
$this->assertEquals(array('field1' => 'foo', 'field2' => 'Hello', 'field3' => 'World'), $this->credis->hGetAll('hash'));
// Test long hash values
$longString = str_repeat(md5('asd'), 4096);
// 128k (redis.h REDIS_INLINE_MAX_SIZE = 64k)
$this->assertEquals(1, $this->credis->hMSet('long_hash', array('count' => 1, 'data' => $longString)), 'Set long hash value');
$this->assertEquals($longString, $this->credis->hGet('long_hash', 'data'), 'Get long hash value');
}
public function _load($session_id)
{
$host = (string) (Mage::getConfig()->getNode(self::XML_PATH_HOST) ?: '127.0.0.1');
$port = (int) (Mage::getConfig()->getNode(self::XML_PATH_PORT) ?: '6379');
$pass = (string) (Mage::getConfig()->getNode(self::XML_PATH_PASS) ?: '');
$timeout = (double) (Mage::getConfig()->getNode(self::XML_PATH_TIMEOUT) ?: '2.5');
$_redis = new Credis_Client($host, $port, $timeout);
if (!empty($pass)) {
$_redis->auth($pass);
}
$_redis->connect();
// connect to redis
// replace sess_session_id with session id you want to read.
$sessionData = $_redis->hGet('sess_' . $session_id, 'data');
// only data field is relevant to us, uncompress the data
return $sessionData ? $this->_decodeData($sessionData) : false;
}
/**
* Update session
*
* @param string $sessionId
* @param string $sessionData
* @return boolean
*/
public function write($sessionId, $sessionData)
{
$this->profilerStart(__METHOD__);
if ($this->_sessionWritten) {
if ($this->_logLevel >= \Zend_Log::DEBUG) {
$this->_log(sprintf("Repeated session write detected; skipping for ID %s", $sessionId));
}
$this->profilerStop(__METHOD__);
return TRUE;
}
$this->_sessionWritten = TRUE;
if ($this->_logLevel >= \Zend_Log::WARN) {
$timeStart = microtime(true);
}
// Do not overwrite the session if it is locked by another pid
try {
if ($this->_dbNum) {
$this->_redis->select($this->_dbNum);
}
// Prevent conflicts with other connections?
if (!$this->_useLocking || (!($pid = $this->_redis->hGet('sess_' . $sessionId, 'pid')) || $pid == $this->_getPid())) {
$this->_writeRawSession($sessionId, $sessionData, $this->getLifeTime());
if ($this->_logLevel >= \Zend_Log::DEBUG) {
$this->_log(sprintf("Data written to ID %s in %.5f seconds", $sessionId, microtime(true) - $timeStart));
}
} else {
if ($this->_logLevel >= \Zend_Log::WARN) {
if ($this->_hasLock) {
$this->_log(sprintf("Did not write session for ID %s: another process took the lock.", $sessionId), \Zend_Log::WARN);
} else {
$this->_log(sprintf("Did not write session for ID %s: unable to acquire lock.", $sessionId), \Zend_Log::WARN);
}
}
}
} catch (\Exception $e) {
$this->logger->logException($e);
$this->profilerStop(__METHOD__);
return FALSE;
}
$this->profilerStop(__METHOD__);
return TRUE;
}
