/// <summary>
/// 得到tracker链接
/// </summary>
/// <returns></returns>
public static TcpConnection GetTrackerConnection(string groupName)
{
bool isGetTcpConnection = true;
do
{
IPEndPoint tracker;
if (string.IsNullOrEmpty(groupName))//没有限制组的时候，负载均衡
{
_trackerServerIndex++;
if (_trackerServerIndex >= TcpConnectionPoolManager.TrackerServers.Length)
{
_trackerServerIndex = 0;
}
tracker = TcpConnectionPoolManager.TrackerServers[_trackerServerIndex];
}
else
{
IList <IPEndPoint> list = TcpConnectionPoolManager.GroupServer[groupName];
int index = sort.ContainsKey(groupName) ? sort[groupName] + 1 : 0;
if (index >= list.Count)
{
index = 0;
}
tracker = list[index];
sort[groupName] = index;
}
IPAddress ip = tracker.Address;
int port = tracker.Port;
IObjectPool <TcpConnection> pool = TcpConnectionPoolManager.GetPool(ip.ToString(), port, true, false);
try
{
if (null != _logger)
{
_logger.InfoFormat("Tracker可用连接数：{0}", pool.NumIdle);
}
TcpConnection tcp = pool.GetObject(ip.ToString(), port);
if (null != tcp && tcp.Connected)
{
return(tcp);
}
isGetTcpConnection = false;
}
catch (Exception exc)
{
if (null != _logger)
{
_logger.ErrorFormat("连接追踪器服务器时发生异常，异常信息为：{0}", exc.Message);
}
isGetTcpConnection = false;
}
} while (!isGetTcpConnection);
return(null);
}
/// <summary>
/// 释放此 <see cref="T:System.Net.Sockets.TcpClient"/> 实例，而不关闭基础连接。
/// </summary>
/// <param name="isTracker">if set to <c>true</c> [is tracker].</param>
/// <param name="isStorage">if set to <c>true</c> [is storage].</param>
public void Close(bool isTracker, bool isStorage)
{
if (!_isFromPool)
{
byte[] headerBuffer = Util.PackHeader(Protocol.FDFS_PROTO_CMD_QUIT, 0, 0);
GetStream().Write(headerBuffer, 0, headerBuffer.Length);
GetStream().Close();
Close();
}
TcpConnectionPoolManager.GetPool(_ipAddress, _port, isTracker, isStorage).ReturnObject(this);
}
public static TcpConnection GetStorageConnection(string groupName)
{
StorageServerInfo storageServerInfo = TrackerClient.GetStoreStorage(groupName);
IObjectPool <TcpConnection> pool = TcpConnectionPoolManager.GetPool(storageServerInfo.IpAddress, storageServerInfo.Port, false, true);
try
{
TcpConnection storageConnection = pool.GetObject(storageServerInfo.IpAddress, storageServerInfo.Port);
storageConnection.Index = storageServerInfo.StorePathIndex;
if (null != _logger)
{
_logger.InfoFormat("Storage可用连接数为:{0}", pool.NumIdle);
}
return(storageConnection);
}
catch (Exception exc)
{
if (null != _logger)
{
_logger.WarnFormat("连接Storage服务器时发生异常,异常信息为:{0}", exc.Message);
}
throw;
}
}