/// <summary>
/// 根据缓存Key获取其所存储的服务器信息
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns>Key所存储的服务器信息</returns>
public static string GetHostInfoByCacheKey(string key)
{
string hostInfo = "";
SockIO sock = null;
try
{
sock = SockIOPool.GetInstance(SocketPoolName).GetSock(key);
if (sock != null)
{
hostInfo = sock.Host;
}
}
finally
{
if (sock != null)
{
sock.Close();
}
}
return(hostInfo);
}
/// <summary>
/// 初始化相关配置项
/// </summary>
static void Initialization()
{
#region 加载配置文件
MemcachedConfigSection memcachedConfig = (MemcachedConfigSection)ConfigurationManager.GetSection("memcached");
if (memcachedConfig == null)
{
throw new ConfigurationErrorsException("未找到memcached对应的配置节点,请检查配置文件!");
}
IsMemcachedEnabled = memcachedConfig.Enabled;
if (memcachedConfig.Servers == null || memcachedConfig.Servers.Count < 1)
{
throw new ConfigurationErrorsException("未找到任何服务器配置信息,请检查配置文件!");
}
ServerList = new string[memcachedConfig.Servers.Count];
for (int i = 0; i < memcachedConfig.Servers.Count; i++)
{
ServerList[i] = string.Concat(memcachedConfig.Servers[i].ServerIP, ":", memcachedConfig.Servers[i].Port);
}
if (memcachedConfig.SocketPool == null)
{
throw new ConfigurationErrorsException("未找到Socket连接串配置信息,请检查配置文件!");
}
SocketPoolName = memcachedConfig.SocketPool.PoolName;
#endregion
#region 初始化Socket连接串
pool = SockIOPool.GetInstance(SocketPoolName);
pool.SetServers(ServerList);
// 初始化链接数
pool.InitConnections = memcachedConfig.SocketPool.MinConnections;
// 最少链接数
pool.MinConnections = memcachedConfig.SocketPool.MinConnections;
// 最大连接数
pool.MaxConnections = memcachedConfig.SocketPool.MaxConnections;
// Socket链接超时时间
pool.SocketConnectTimeout = memcachedConfig.SocketPool.SocketConnectTimeout;
// Socket超时时间
pool.SocketTimeout = memcachedConfig.SocketPool.SocketTimeout;
// 维护线程休眠时间
pool.MaintenanceSleep = memcachedConfig.SocketPool.MaintenanceSleep;
// 失效转移(一种备份操作模式)
pool.Failover = memcachedConfig.SocketPool.Failover;
// 是否用nagle算法启动socket
pool.Nagle = memcachedConfig.SocketPool.Nagle;
// 散列算法
pool.HashingAlgorithm = HashingAlgorithm.NewCompatibleHash;
pool.Initialize();
#endregion
#region 初始化Memcached客户端
client = new MemcachedClient();
client.PoolName = SocketPoolName;
// 是否启用压缩
client.EnableCompression = false;
#endregion
}
