public function set($key, $val, $expiresTime = 86400)
{
if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'spider')) {
return false;
}
// 应对百度蜘蛛 并不缓存
if (empty($key)) {
return false;
}
//defensive 缓存指向 redis 备份
if (strpos($key, "defensive0307_") !== false) {
$cache = API_Redis_Factory::getInstance(API_Redis::PREFIX_BLOCK);
return $cache->set($key, $val, $expiresTime);
}
$val = igbinary_serialize($val);
if (strlen($val) > 1000000) {
//这里保留原key信息，即使含有空格/控制字符等非支持字符也保留，为查询更方便
API_Logger::Write("memcachedseterror", "msgTooLong:" . $this->getPrefix() . $key, "memcached");
return false;
}
if ($expiresTime <= 0 || $expiresTime > 21600) {
$expiresTime = 21600;
}
if (!$this->canUseCache()) {
return false;
}
API_Benchmark::Counter('mc_set');
$setReturn = $this->_instance->set($this->genNewKey($key), $val, $expiresTime);
if ($setReturn == false) {
$errMessage = $this->_instance->getResultMessage();
$errCode = $this->_instance->getResultCode();
//这里保留原key信息，即使含有空格/控制字符等非支持字符也保留，为查询更方便
API_Logger::Write("memcachedseterror", "errMessage:" . $errMessage . '|errCode:' . $errCode . '|errKey:' . $this->getPrefix() . $key, "memcached");
}
return $setReturn;
}
public function getSlaveBackClient()
{
if ($this->slaveBackClient) {
return $this->slaveBackClient;
}
API_Redis_Factory::fetchRedisClient($this, "slaveback");
if ($this->slaveBackClient) {
return $this->slaveBackClient;
} else {
return false;
}
}
