/**
* Initialize the Cache Engine
*
* Called automatically by the cache frontend
* To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
*
* @param array $settings array of setting for the engine
* @return bool True if the engine has been successfully initialized, false if not
* @throws CacheException when you try use authentication without Memcached compiled with SASL support
*/
public function init($settings = array())
{
if (!class_exists('Memcached')) {
return false;
}
if (!isset($settings['prefix'])) {
$settings['prefix'] = Inflector::slug(APP_DIR) . '_';
}
if (defined('Memcached::HAVE_MSGPACK') && Memcached::HAVE_MSGPACK) {
$this->_serializers['msgpack'] = Memcached::SERIALIZER_MSGPACK;
}
$settings += array('engine' => 'Memcached', 'servers' => array('127.0.0.1'), 'compress' => false, 'persistent' => false, 'login' => null, 'password' => null, 'serialize' => 'php', 'options' => array());
parent::init($settings);
if (!is_array($this->settings['servers'])) {
$this->settings['servers'] = array($this->settings['servers']);
}
if (isset($this->_Memcached)) {
return true;
}
if (!$this->settings['persistent']) {
$this->_Memcached = new Memcached();
} else {
$this->_Memcached = new Memcached((string) $this->settings['persistent']);
}
$this->_setOptions();
if (count($this->_Memcached->getServerList())) {
return true;
}
$servers = array();
foreach ($this->settings['servers'] as $server) {
$servers[] = $this->_parseServerString($server);
}
if (!$this->_Memcached->addServers($servers)) {
return false;
}
if ($this->settings['login'] !== null && $this->settings['password'] !== null) {
if (!method_exists($this->_Memcached, 'setSaslAuthData')) {
throw new CacheException(__d('cake_dev', 'Memcached extension is not build with SASL support'));
}
$this->_Memcached->setOption(Memcached::OPT_BINARY_PROTOCOL, true);
$this->_Memcached->setSaslAuthData($this->settings['login'], $this->settings['password']);
}
if (is_array($this->settings['options'])) {
foreach ($this->settings['options'] as $opt => $value) {
$this->_Memcached->setOption($opt, $value);
}
}
return true;
}
/**
* Initializes
*/
private function initialize($config)
{
if (empty($config['servers'])) {
return false;
}
if (defined('\\Memcached::OPT_REMOVE_FAILED_SERVERS')) {
$this->_memcache->setOption(\Memcached::OPT_REMOVE_FAILED_SERVERS, true);
}
if (isset($config['aws_autodiscovery']) && $config['aws_autodiscovery'] && defined('\\Memcached::OPT_CLIENT_MODE') && defined('\\Memcached::DYNAMIC_CLIENT_MODE')) {
$this->_memcache->setOption(\Memcached::OPT_CLIENT_MODE, \Memcached::DYNAMIC_CLIENT_MODE);
}
foreach ((array) $config['servers'] as $server) {
if (substr($server, 0, 5) == 'unix:') {
$this->_memcache->addServer(trim($server), 0);
} else {
list($ip, $port) = explode(':', $server);
$this->_memcache->addServer(trim($ip), (int) trim($port));
}
}
if (isset($config['username']) && !empty($config['username']) && method_exists($this->_memcache, 'setSaslAuthData') && ini_get('memcached.use_sasl')) {
$this->_memcache->setSaslAuthData($config['username'], $config['password']);
}
return true;
}
/**
* Initialize the Cache Engine
*
* Called automatically by the cache frontend
*
* @param array $config array of setting for the engine
* @return bool True if the engine has been successfully initialized, false if not
* @throws \Cake\Error\Exception when you try use authentication without Memcached compiled with SASL support
*/
public function init(array $config = [])
{
if (!class_exists('Memcached')) {
return false;
}
if (!isset($config['prefix'])) {
$config['prefix'] = Inflector::slug(APP_DIR) . '_';
}
if (defined('Memcached::HAVE_MSGPACK') && Memcached::HAVE_MSGPACK) {
$this->_serializers['msgpack'] = Memcached::SERIALIZER_MSGPACK;
}
parent::init($config);
if (isset($config['servers'])) {
$this->config('servers', $config['servers'], false);
}
if (!is_array($this->_config['servers'])) {
$this->_config['servers'] = [$this->_config['servers']];
}
if (isset($this->_Memcached)) {
return true;
}
$this->_Memcached = new \Memcached($this->_config['persistent'] ? (string) $this->_config['persistent'] : null);
$this->_setOptions();
if (count($this->_Memcached->getServerList())) {
return true;
}
$servers = [];
foreach ($this->_config['servers'] as $server) {
$servers[] = $this->_parseServerString($server);
}
if (!$this->_Memcached->addServers($servers)) {
return false;
}
if ($this->_config['login'] !== null && $this->_config['password'] !== null) {
if (!method_exists($this->_Memcached, 'setSaslAuthData')) {
throw new Error\Exception('Memcached extension is not build with SASL support');
}
$this->_Memcached->setSaslAuthData($this->_config['login'], $this->_config['password']);
}
return true;
}
/**
* 获得Memcache连接
*
* @return Memcache Memcache连接
*/
public static function get_memcached()
{
if (Cache::$memcached === null) {
Cache::$memcached = new Memcached('ocs');
if (count(Cache::$memcached->getServerList()) == 0) {
/*建立连接前，先判断*/
/*所有option都要放在判断里面，因为有的option会导致重连，让长连接变短连接！*/
Cache::$memcached->setOption(Memcached::OPT_COMPRESSION, false);
Cache::$memcached->setOption(Memcached::OPT_BINARY_PROTOCOL, true);
/* addServer 代码必须在判断里面，否则相当于重复建立’ocs’这个连接池，可能会导致客户端php程序异常*/
foreach (Conf::$memcached as $k => $memconf) {
Cache::$memcached->addServer($memconf[0], $memconf[1]);
}
if (Conf::$memcached_un) {
Cache::$memcached->setSaslAuthData(Conf::$memcached_un, Conf::$memcached_pwd);
}
}
return Cache::$memcached;
} else {
return Cache::$memcached;
}
}
/**
* Initialize the Cache Engine
*
* Called automatically by the cache frontend
* To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
*
* @param array $settings array of setting for the engine
* @return boolean True if the engine has been successfully initialized, false if not
* @throws CacheException when you try use authentication without Memcached compiled with SASL support
*/
public function init($settings = array())
{
if (!class_exists('Memcached')) {
return false;
}
if (!isset($settings['prefix'])) {
$settings['prefix'] = Inflector::slug(APP_DIR) . '_';
}
$settings += array('engine' => 'Memcached', 'servers' => array('127.0.0.1'), 'compress' => false, 'persistent' => false, 'login' => null, 'password' => null, 'serialize' => 'php');
parent::init($settings);
if (!is_array($this->settings['servers'])) {
$this->settings['servers'] = array($this->settings['servers']);
}
if (isset($this->_Memcached)) {
return true;
}
$this->_Memcached = new Memcached($this->settings['persistent'] ? (string) $this->settings['persistent'] : null);
$this->_setOptions();
if (count($this->_Memcached->getServerList())) {
return true;
}
$servers = array();
foreach ($this->settings['servers'] as $server) {
$servers[] = $this->_parseServerString($server);
}
if (!$this->_Memcached->addServers($servers)) {
return false;
}
if ($this->settings['login'] !== null && $this->settings['password'] !== null) {
if (!method_exists($this->_Memcached, 'setSaslAuthData')) {
throw new CacheException(__d('cake_dev', 'Memcached extension is not build with SASL support'));
}
$this->_Memcached->setSaslAuthData($this->settings['login'], $this->settings['password']);
}
return true;
}
