zhujimajiang_redis/俱乐部/Source/ServerControl/KernelEngine/TCPSocketService.cpp

#include "StdAfx.h"
#include "TraceService.h"
#include "TCPSocketService.h"

//内核命令码
#define MDM_KN_COMMAND					0									//内核命令
#define SUB_KN_DETECT_SOCKET			1									//检测命令
#define SUB_KN_SHUT_DOWN_SOCKET			2									//中断网络

//宏定义
#define ID_SOCKET_WND				10								//SOCKET 窗口 ID
#define MY_WM_SOCKET_NOTIFY			WM_USER+10						//SOCKET 消息

//////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(CTCPSocketService, CWnd)
	ON_MESSAGE(MY_WM_SOCKET_NOTIFY, OnSocketNotify)
END_MESSAGE_MAP()

//#define MY_ENCRYPT

//函数定义
//////////////////////////////////////////////////////////////////////////
//构造函数
CTCPSocketService::CTCPSocketService(void)
{
    //恢复数据
    m_cbSendRound = 0;
    m_cbRecvRound = 0;
    m_dwSendXorKey = 0;
    m_dwRecvXorKey = 0;
    m_hSocket = INVALID_SOCKET;
    m_dwSendTickCount = 0;
    m_dwRecvTickCount = 0;
    m_dwSendPacketCount = 0;
    m_dwRecvPacketCount = 0;
    m_wServiceID = 0;
    m_cbSocketStatus = SOCKET_STATUS_IDLE;
    m_wRecvSize = 0;
    m_dwServerIP = INADDR_NONE;
    m_wPort = 0;
    m_bSuccess = false;
	ZeroMemory(m_szIp,sizeof(TCHAR) * 72);
}

//析构函数
CTCPSocketService::~CTCPSocketService(void)
{
    if (m_bService)
        ConcludeService();
}

//基础接口
//////////////////////////////////////////////////////////////////////////
//接口查询
void *  CTCPSocketService::QueryInterface(const IID & Guid, DWORD dwQueryVer)
{
    QUERYINTERFACE(ITCPSocketService, Guid, dwQueryVer);
    QUERYINTERFACE(IQueueServiceSink, Guid, dwQueryVer);
    QUERYINTERFACE_IUNKNOWNEX(ITCPSocketService, Guid, dwQueryVer);
    return NULL;
}

//服务接口
//////////////////////////////////////////////////////////////////////////
//启动服务
bool  CTCPSocketService::StartService()
{
    //效验状态
    if (m_bService == true)
    {
        CTraceService::TraceString(TEXT("网络服务重复启动，启动操作忽略"), TraceLevel_Warning);
        return true;
    }

    //绑定对象
    if (m_QueueService.SetQueueServiceSink(QUERY_ME_INTERFACE(IUnknownEx)) == false)
    {
        CTraceService::TraceString(TEXT("网络服务与触发服务绑定失败"), TraceLevel_Exception);
        return false;
    }

    try
    {
        //绑定对象
        if (m_QueueService.SetQueueServiceSink(QUERY_ME_INTERFACE(IUnknownEx)) == false)
        {
            CTraceService::TraceString(TEXT("网络引擎与触发服务绑定失败"), TraceLevel_Exception);
            return false;
        }

        // 		m_hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
        // 		if (m_hSocket == INVALID_SOCKET) return false;
        if ((m_hWnd == NULL) && (!Create(NULL, NULL, WS_CHILD, CRect(0, 0, 0, 0), GetDesktopWindow(), ID_SOCKET_WND, NULL)))
            return false;

        if (m_QueueService.StartService())
        {
            m_bService = true;
        }
    }
    catch (LPCTSTR pszError)
    {
        CTraceService::TraceString(pszError, TraceLevel_Exception);
        return false;
    }

    return m_bService;
}

//停止服务
bool  CTCPSocketService::ConcludeService()
{
    //设置变量
    m_bService = false;
	CTraceService::TraceString(TEXT("网络引擎 停止服务成功"), TraceLevel_Normal);
    if (m_hSocket != INVALID_SOCKET)
    {
        //LINGER lingerStruct;

        //lingerStruct.l_onoff = 1;
        //lingerStruct.l_linger = 0;

        //setsockopt(m_hSocket, SOL_SOCKET, SO_LINGER, (char *)&lingerStruct, sizeof(lingerStruct));
        closesocket(m_hSocket);
		WSAAsyncSelect(m_hSocket, GetSafeHwnd(), MY_WM_SOCKET_NOTIFY, 0);
        m_hSocket = INVALID_SOCKET;
    }

    //恢复数据
    m_cbSendRound = 0;
    m_cbRecvRound = 0;
    m_dwSendXorKey = 0;
    m_dwRecvXorKey = 0;
    m_hSocket = INVALID_SOCKET;
    m_dwSendTickCount = 0;
    m_dwRecvTickCount = 0;
    m_dwSendPacketCount = 0;
    m_dwRecvPacketCount = 0;
    m_cbSocketStatus = SOCKET_STATUS_IDLE;
    m_wRecvSize = 0;
    m_dwServerIP = INADDR_NONE;
    m_wPort = 0;
    m_bSuccess = false;
    m_MyEncrypt.Reset();

    m_QueueServiceEvent.SetQueueServiceSink(NULL);

    m_QueueService.ConcludeService();

    return true;
}

//配置接口
//////////////////////////////////////////////////////////////////////////
//配置函数
bool  CTCPSocketService::SetServiceID(WORD wServiceID)
{
    m_wServiceID = wServiceID;
    return true;
}

//设置接口
bool  CTCPSocketService::SetTCPSocketEvent(IUnknownEx * pIUnknownEx)
{
    //状态判断
    if (m_bService == true)
    {
        CTraceService::TraceString(TEXT("网络组件处于服务状态，绑定操作忽略"), TraceLevel_Warning);
        return false;
    }

    //设置接口
    if (m_QueueServiceEvent.SetQueueServiceSink(pIUnknownEx) == false)
    {
        CTraceService::TraceString(TEXT("网络组件与触发服务绑定失败"), TraceLevel_Warning);
        return false;
    }

    return true;
}

//功能接口
//////////////////////////////////////////////////////////////////////////
//关闭连接
bool  CTCPSocketService::CloseSocket()
{
    //关闭连接
    bool bClose = (m_hSocket != INVALID_SOCKET);
    if (bClose)
        return m_QueueService.AddToQueue(QUEUE_SAFE_CLOSE, NULL, 0);

    //恢复数据
    m_cbSendRound = 0;
    m_cbRecvRound = 0;
    m_dwSendXorKey = 0;
    m_dwRecvXorKey = 0;
    m_hSocket = INVALID_SOCKET;
    m_dwSendTickCount = 0;
    m_dwRecvTickCount = 0;
    m_dwSendPacketCount = 0;
    m_dwRecvPacketCount = 0;
    m_cbSocketStatus = SOCKET_STATUS_IDLE;
    m_wRecvSize = 0;
    m_dwServerIP = INADDR_NONE;
    m_wPort = 0;
    m_MyEncrypt.Reset();

    return true;
}

//连接地址
bool  CTCPSocketService::Connect(DWORD dwServerIP, WORD wPort)
{
    m_wPort = wPort;
    m_dwServerIP = dwServerIP;

    //设置参数
    m_cbSendRound = 0;
    m_cbRecvRound = 0;
    m_dwSendXorKey = 0x12345678;
    m_dwRecvXorKey = 0x12345678;
    m_MyEncrypt.Reset();

    try
    {
        return m_QueueService.AddToQueue(QUEUE_CONNECT_REQUEST, NULL, 0);
    }
    catch (LPCTSTR pszError)
    {
		CTraceService::TraceString(pszError, TraceLevel_Warning);
		CTraceService::TraceString(TEXT("Connect1 "), TraceLevel_Warning);
        CloseSocket(SHUT_REASON_EXCEPTION);
        throw pszError;
    }
    catch (...)
    {
		CTraceService::TraceString(TEXT("Connect2 "), TraceLevel_Warning);
        CloseSocket(SHUT_REASON_EXCEPTION);
        throw TEXT("连接产生未知异常错误");
    }

    return false;
}

//连接地址
bool  CTCPSocketService::Connect(LPCTSTR szServerIP, WORD wPort)
{
    //效验数据
    ASSERT(wPort != 0);
    ASSERT(szServerIP != NULL);
    if ((szServerIP == NULL) || (wPort == 0)) return false;
	//CString csIpPort;
	//csIpPort.Format(_T("%s:%d"), szServerIP, wPort);
	//StringCchCopy(m_szIp, sizeof(TCHAR) * 72, csIpPort.GetBuffer());

	//csIpPort.ReleaseBuffer();
    return Connect(TranslateAddr(szServerIP), wPort);
}

//发送函数
bool  CTCPSocketService::SendData(WORD wMainCmdID, WORD wSubCmdID)
{
    //效验状态
    if (m_hSocket == INVALID_SOCKET) return false;
    if (m_cbSocketStatus != SOCKET_STATUS_CONNECT) return false;

    //构造数据
    BYTE cbDataBuffer[SOCKET_TCP_BUFFER];
    TCP_Head * pHead = (TCP_Head *)cbDataBuffer;
    pHead->CommandInfo.wMainCmdID = wMainCmdID;
    pHead->CommandInfo.wSubCmdID = wSubCmdID;

    //加密数据
	WORD wSendSize = EncryptBuffer(cbDataBuffer, sizeof(TCP_Head), sizeof(cbDataBuffer), pHead->TCPInfo.cbDataKind);


    //发送数据
    return SendDataBuffer(cbDataBuffer, wSendSize);
}

//通知回调
void  CTCPSocketService::OnQueueServiceSink(WORD wIdentifier, void * pBuffer, WORD wDataSize)
{
    switch (wIdentifier)
    {
    case QUEUE_SEND_REQUEST:
    {
                               ASSERT(pBuffer);
                               ASSERT(wDataSize > 0);
                               if (!pBuffer || wDataSize <= 0) return;

                               //发送数据
                               WORD wSended = 0;
                               while (wSended < wDataSize)
                               {
                                   int iErrorCode = send(m_hSocket, (char *)pBuffer + wSended, wDataSize - wSended, 0);
                                   if (iErrorCode == SOCKET_ERROR)
                                   {
                                       if (WSAGetLastError() == WSAEWOULDBLOCK)
                                       {
                                           return;
                                       }
                                       return;
                                   }
                                   wSended += iErrorCode;
                               }

                               break;
    }

    case QUEUE_CONNECT_REQUEST:
    {
                                  //效验状态
                                  if (m_dwServerIP == INADDR_NONE) throw TEXT("目标服务器地址格式不正确，请检查后再次尝试！");
                                  if (m_wPort == 0) throw TEXT("目标服务器地址格式不正确，请检查后再次尝试！");

                                  //建立 SOCKET
                                  m_hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
                                  if (m_hSocket == INVALID_SOCKET) throw TEXT("SOCKET 创建失败");

                                  //效验参数
                                  ASSERT(m_hSocket != INVALID_SOCKET);
                                  ASSERT(m_cbSocketStatus == SOCKET_STATUS_IDLE);

								  int iErrorCode = WSAAsyncSelect(m_hSocket, m_hWnd, MY_WM_SOCKET_NOTIFY, FD_READ | FD_CONNECT | FD_CLOSE);
                                  if (iErrorCode == SOCKET_ERROR) throw TEXT("绑定内部窗口错误");

                                  //填写服务器地址
                                  SOCKADDR_IN SocketAddr;
                                  memset(&SocketAddr, 0, sizeof(SocketAddr));
                                  SocketAddr.sin_family = AF_INET;
                                  SocketAddr.sin_port = htons(m_wPort);
                                  SocketAddr.sin_addr.S_un.S_addr = (m_dwServerIP);

                                  iErrorCode = connect(m_hSocket, (sockaddr*)& SocketAddr, sizeof(sockaddr));
                                  if (SOCKET_ERROR == iErrorCode)
                                      iErrorCode = WSAGetLastError();

                                  break;
    }

    case QUEUE_SAFE_CLOSE:
    {
                             if (m_hSocket != INVALID_SOCKET)
                             {
							     //closesocket(m_hSocket);   ///+++
								 WSAAsyncSelect(m_hSocket, GetSafeHwnd(), MY_WM_SOCKET_NOTIFY, 0);
								 closesocket(m_hSocket);   ///+++
                                 m_hSocket = INVALID_SOCKET;
                             }

                             //恢复数据
                             m_cbSendRound = 0;
                             m_cbRecvRound = 0;
                             m_dwSendXorKey = 0;
                             m_dwRecvXorKey = 0;
                             m_hSocket = INVALID_SOCKET;
                             m_dwSendTickCount = 0;
                             m_dwRecvTickCount = 0;
                             m_dwSendPacketCount = 0;
                             m_dwRecvPacketCount = 0;
                             m_cbSocketStatus = SOCKET_STATUS_IDLE;
                             m_wRecvSize = 0;
                             m_dwServerIP = INADDR_NONE;
                             m_wPort = 0;
                             m_MyEncrypt.Reset();

                             break;
    }

    case QUEUE_DETECT_SOCKET:
    {

    }

    default:
    {
               ASSERT(FALSE);
               return;
    }
    }
}


//发送函数
bool  CTCPSocketService::SendData(WORD wMainCmdID, WORD wSubCmdID, VOID * pData, WORD wDataSize)
{
    //效验状态
    if (m_hSocket == INVALID_SOCKET) return false;
    //	if (m_cbSocketStatus != SOCKET_STATUS_CONNECT) return false;

    //效验大小
    ASSERT(wDataSize <= SOCKET_TCP_BUFFER);
    if (wDataSize > SOCKET_TCP_BUFFER) return false;

    //构造数据
    BYTE cbDataBuffer[SOCKET_TCP_BUFFER];
    TCP_Head * pHead = (TCP_Head *)cbDataBuffer;
    pHead->CommandInfo.wMainCmdID = wMainCmdID;
    pHead->CommandInfo.wSubCmdID = wSubCmdID;
    if (wDataSize > 0)
    {
        ASSERT(pData != NULL);
        CopyMemory(pHead + 1, pData, wDataSize);
    }

    //加密数据
	WORD wSendSize = EncryptBuffer(cbDataBuffer, sizeof(TCP_Head) + wDataSize, sizeof(cbDataBuffer), pHead->TCPInfo.cbDataKind);

#ifdef _DEBUG
	CString csSend;
	CString AppName = _T("GameServer");
	CString AppName1 = _T("游戏服务器");
	CString csTest = AfxGetAppName();
	if (!(wSubCmdID == SUB_KN_DETECT_SOCKET && wMainCmdID == MDM_KN_COMMAND)
		&& !(wMainCmdID == 5 && wSubCmdID == 3)
		&& !(wMainCmdID == 2 && wSubCmdID == 1 && (AppName1 == csTest || AppName == csTest)))
	{
		csSend.Format(_T("【服务器间通讯】进程【%s】【发送】 -> %s 主命令码【%d】 子命令码【%d】\n\r"), AfxGetAppName(), m_szIp, wMainCmdID, wSubCmdID);

		//OutputDebugString(csSend);
	}
#endif

    //发送数据
    return SendDataBuffer(cbDataBuffer, wSendSize);
}

//发送数据
bool CTCPSocketService::SendDataBuffer(void * pBuffer, WORD wSendSize)
{
    //效验参数
    ASSERT(wSendSize != 0);
    ASSERT(pBuffer != NULL);
    if (NULL == pBuffer || 0 == wSendSize) return false;
	if (!m_bService){
		return true;
	}
    return m_QueueService.AddToQueue(QUEUE_SEND_REQUEST, pBuffer, wSendSize);
}

//关闭连接
VOID CTCPSocketService::CloseSocket(BYTE cbShutReason)
{
    //关闭连接
	if (m_bService){
		m_QueueServiceEvent.PostTCPSocketCloseEvent(m_wServiceID, cbShutReason);
	}
    CloseSocket();
}

//解释服务器地址
DWORD CTCPSocketService::TranslateAddr(LPCTSTR pszServerAddr)
{
    USES_CONVERSION;;
    char * pServerAddr = W2A(pszServerAddr);
    //转化地址
    DWORD dwServerIP = inet_addr(pServerAddr);
    if (dwServerIP == INADDR_NONE)
    {
        LPHOSTENT lpHost = gethostbyname(pServerAddr);
        if (lpHost == NULL) return INADDR_NONE;
        dwServerIP = ((LPIN_ADDR)lpHost->h_addr)->s_addr;
    }
    return dwServerIP;
}

//加密数据
WORD CTCPSocketService::EncryptBuffer(BYTE pcbDataBuffer[], WORD wDataSize, WORD wBufferSize, BYTE cbDataKind)
{
    int i = 0;
    //效验参数
    ASSERT(wDataSize >= sizeof(TCP_Head));
    ASSERT(wBufferSize >= (wDataSize + 2 * sizeof(DWORD)));
    ASSERT(wDataSize <= (sizeof(TCP_Head)+SOCKET_TCP_BUFFER));

    //填写信息头
    TCP_Head * pHead = (TCP_Head *)pcbDataBuffer;
    pHead->TCPInfo.wPacketSize = wDataSize;
	pHead->TCPInfo.cbDataKind = DK_MAPPED_NEW;


#ifdef MY_ENCRYPT
    BYTE checkCode = 0;

    for (WORD i = sizeof(TCP_Info); i < wDataSize; i++)
    {
        checkCode += pcbDataBuffer[i];
        pcbDataBuffer[i] = MapSendByteEx(pcbDataBuffer[i]);
    }
    pHead->TCPInfo.cbCheckCode = ~checkCode + 1;

    //设置变量
    m_dwSendPacketCount++;
#else
    m_MyEncrypt.EncryptBuffer(pcbDataBuffer + 4, wDataSize - 4);
#endif

    return wDataSize;
}

//解密数据
WORD CTCPSocketService::CrevasseBuffer(BYTE pcbDataBuffer[], WORD wDataSize)
{
    //效验参数
    //ASSERT(m_dwSendPacketCount > 0);
    ASSERT(wDataSize >= sizeof(TCP_Head));
    ASSERT(((TCP_Head *)pcbDataBuffer)->TCPInfo.wPacketSize == wDataSize);

#ifdef MY_ENCRYPT

    //效验码与字节映射
    TCP_Head * pHead = (TCP_Head *)pcbDataBuffer;
    for (int i = sizeof(TCP_Info); i < wDataSize; i++)
    {
		pcbDataBuffer[i] = MapRecvByteEx(pcbDataBuffer[i]);
    }
#else
    m_MyEncrypt.DecryptBuffer(pcbDataBuffer + 4, wDataSize - 4);
#endif

    return wDataSize;
}

//随机映射
WORD CTCPSocketService::SeedRandMap(WORD wSeed)
{
    DWORD dwHold = wSeed;
    return (WORD)((dwHold = dwHold * 241103L + 2533101L) >> 16);
}

//映射发送数据
BYTE CTCPSocketService::MapSendByte(BYTE const cbData)
{
    BYTE cbMap;
    cbMap = g_SendByteMap[cbData];
    return cbMap;
}

//映射接收数据
BYTE CTCPSocketService::MapRecvByte(BYTE const cbData)
{
    BYTE cbMap;
    cbMap = g_RecvByteMap[cbData];
    return cbMap;
}

//映射发送数据
BYTE CTCPSocketService::MapSendByteEx(BYTE const cbData)
{
	BYTE cbMap;
	cbMap = g_SendByteMapNew[cbData];
	return cbMap;
}

//映射接收数据
BYTE CTCPSocketService::MapRecvByteEx(BYTE const cbData)
{
	BYTE cbMap;
	cbMap = g_RecvByteMapNew[cbData];
	return cbMap;
}

//网络连接
LRESULT CTCPSocketService::OnSocketNotifyConnect(WPARAM wParam, LPARAM lParam)
{
    //判断状态
    int iErrorCode = WSAGETSELECTERROR(lParam);
    if (iErrorCode == 0)
    {
        m_cbSocketStatus = SOCKET_STATUS_CONNECT;
        m_bSuccess = true;
        //发送通知
        m_QueueServiceEvent.PostTCPSocketConnectedEvent(m_wServiceID, iErrorCode);
    }
    else CloseSocket(SHUT_REASON_TIME_OUT);

    return 1;
}

//网络读取
LRESULT CTCPSocketService::OnSocketNotifyRead(WPARAM wParam, LPARAM lParam)
{
    try
    {
        //读取数据
        int iRetCode = recv(m_hSocket, (char *)m_cbRecvBuf + m_wRecvSize, sizeof(m_cbRecvBuf)-m_wRecvSize, 0);
		if (iRetCode == SOCKET_ERROR)
		{
			throw TEXT("网络连接关闭，读取数据失败");
		}
        ASSERT(m_dwSendPacketCount > 0);
        m_wRecvSize += iRetCode;
        m_dwRecvTickCount = GetTickCount() / 1000L;

        //变量定义
        WORD wPacketSize = 0;
        BYTE cbDataBuffer[SOCKET_TCP_BUFFER + sizeof(TCP_Head)];
        TCP_Head * pHead = (TCP_Head *)m_cbRecvBuf;
		int nCount = 0;
        while (m_wRecvSize >= sizeof(TCP_Head))
        {
            //效验参数
            wPacketSize = pHead->TCPInfo.wPacketSize;
			if (wPacketSize > (SOCKET_TCP_BUFFER + sizeof(TCP_Head)))
			{
				ZeroMemory(m_cbRecvBuf, m_wRecvSize);
				m_wRecvSize = 0;
				//throw TEXT("数据包太大");
				CTraceService::TraceString(TEXT("数据包太大,丢弃乱包数据重新接收"), TraceLevel_Warning);
			}
            if (m_wRecvSize < wPacketSize) return 1;

            //拷贝数据
            m_dwRecvPacketCount++;
            CopyMemory(cbDataBuffer, m_cbRecvBuf, wPacketSize);
            m_wRecvSize -= wPacketSize;
			MoveMemory(m_cbRecvBuf, m_cbRecvBuf + wPacketSize, m_wRecvSize);
			
            //解密数据
            WORD wRealySize = CrevasseBuffer(cbDataBuffer, wPacketSize);
            ASSERT(wRealySize >= sizeof(TCP_Head));

            //解释数据
            WORD wDataSize = wRealySize - sizeof(TCP_Head);
            void * pDataBuffer = cbDataBuffer + sizeof(TCP_Head);
            TCP_Command Command = ((TCP_Head *)cbDataBuffer)->CommandInfo;
	
		

            //内核命令
            if (Command.wMainCmdID == MDM_KN_COMMAND)
            {
                switch (Command.wSubCmdID)
                {
                case SUB_KN_DETECT_SOCKET:	//网络检测
                {
                    //发送数据
                    SendData(MDM_KN_COMMAND, SUB_KN_DETECT_SOCKET, pDataBuffer, wDataSize);
                    break;
                }
				default:
					break;
				}
                continue;
            }

            //处理数据
            const bool bSuccess = m_QueueServiceEvent.PostTCPSocketReadEvent(m_wServiceID, Command, pDataBuffer, wDataSize);
			if (bSuccess == false)
			{
				CString csTestB;
				csTestB.Format(_T("636行 读取事件 响应失败 ->(MainCmdID:wSubCmdID):(%d:%d),wDataSize=%d"), Command.wMainCmdID, Command.wSubCmdID, wDataSize);
				CTraceService::TraceString(csTestB, TraceLevel_Warning);
				throw TEXT("网络数据包处理失败");
			}
        };
    }
	catch (LPCTSTR pszError)
    {
		CTraceService::TraceString(pszError, TraceLevel_Warning);
        CloseSocket(SHUT_REASON_EXCEPTION);
    }

    return 1;
}

//网络关闭
LRESULT CTCPSocketService::OnSocketNotifyClose(WPARAM wParam, LPARAM lParam)
{
    CloseSocket(SHUT_REASON_REMOTE);
    return 1;
}

//SOCKET 消息处理程序
LRESULT	CTCPSocketService::OnSocketNotify(WPARAM wParam, LPARAM lParam)
{
    switch (WSAGETSELECTEVENT(lParam))
    {
    case FD_CONNECT:	//网络连接
    {
                            return OnSocketNotifyConnect(wParam, lParam);
    }
    case FD_READ:		//数据读取
    {
                            return OnSocketNotifyRead(wParam, lParam);
    }
    case FD_CLOSE:		//网络关闭
    {
                            return OnSocketNotifyClose(wParam, lParam);
    }
    }

    return 0;
}



//////////////////////////////////////////////////////////////////////////
//建立对象函数
extern "C" __declspec(dllexport) void *  CreateTCPSocketService(const GUID & Guid, DWORD dwInterfaceVer)
{
    //建立对象
    CTCPSocketService * pTCPSocketService = NULL;
    try
    {
        pTCPSocketService = new CTCPSocketService();
        if (pTCPSocketService == NULL) throw TEXT("创建失败");
        void * pObject = pTCPSocketService->QueryInterface(Guid, dwInterfaceVer);
        if (pObject == NULL) throw TEXT("接口查询失败");
        return pObject;
    }
    catch (...) {}

    //清理对象
    SafeDelete(pTCPSocketService);
    return NULL;
}