udp broadcast release mode

BOOL CUDPServerSocket::Connect(){   char            psz[1024];  addrinfo        local;  struct           addrinfo hints;    BOOL Result = FALSE;    try
    {       ////**************************************************************      WSAData data;       WORD wVersion = MAKEWORD(2,0);      int retcode = ::WSAStartup(wVersion,&data);     if (retcode != 0) {         LogError("Winsock 2 not supported on this machine\n");          return FALSE;       }       ////**************************************************************      memset(&local, 0, sizeof(local));       //Now we populate the sockaddr_in structure     local.ai_family=AF_INET; //Address family       local.ai_socktype=SOCK_DGRAM;       local.ai_protocol=IPPROTO_UDP;      //*****************************************************************     ZeroMemory(&hints, sizeof(hints));      hints.ai_family = AF_INET;      hints.ai_socktype = SOCK_DGRAM;     hints.ai_protocol = IPPROTO_UDP;        hints.ai_flags = AI_PASSIVE;        //the socket function creates our SOCKET        m_SrvSocketUDP=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);      char* BuffRecvLane;     BuffRecvLane= new char[1024*1024];      long LenBuffLane=1024*1024;     int iResultop =setsockopt(m_SrvSocketUDP,SOL_SOCKET,SO_RCVBUF,BuffRecvLane,LenBuffLane);        //**************************************************************        m_RecvAddr.sin_family = AF_INET;        m_RecvAddr.sin_port = htons(m_nPortNo);     m_RecvAddr.sin_addr.s_addr = htonl(INADDR_ANY);;        char pszPort[128];      sprintf(pszPort, "%d", m_nPortNo);      ///*************************************************************        int Resultbind  = bind(m_SrvSocketUDP, (SOCKADDR *) &m_RecvAddr, sizeof(m_RecvAddr));       if (Resultbind!=0)      {           int nErrCode = WSAGetLastError();           sprintf(psz, "An error occured bind socket: %s", CGlobalTools::ErrorString(nErrCode));          LogError(psz);      }       else{           ListenToPort();     }       // Creation and Initialization is OK        return TRUE;    }   catch(...)  {       LogError("CTCPServerSocket::CreateSocket Failed."); }   return FALSE;   }BOOL  CUDPServerSocket::ListenToPort(){    bool ResultAcceptp=false;   try
    {       m_bStopSocket       = FALSE;        sockaddr_in clientAddr;     clientAddr.sin_family=AF_INET;      int AddrLen = sizeof(clientAddr);       if(m_hReciveThread)     {           _ASSERT(0);     }               m_hReciveThread = CreateThread(NULL, 0, ThreadRecive, (LPVOID)this, 0/*CREATE_SUSPENDED*/, NULL);       if(m_hReciveThread)     {           SetThreadPriority(m_hReciveThread, THREAD_PRIORITY_HIGHEST);        }   }   catch(...)  {       LogError("CTCPServerSocket::ListenToPort Failed."); }   return  FALSE;}DWORD WINAPI CUDPServerSocket::ThreadRecive(LPVOID lpParam){ CUDPServerSocket* pThis = (CUDPServerSocket*)lpParam;   pThis->ReciveData();    return 0;}void CUDPServerSocket::ReciveData(){      int         nReciveSize     = 0;    int         nOffset         = 0;    BYTE        yPreCounter     = 0;    char        psz[1024];  int         nSOPFIndex      = 0; // Start Of Packet Flag Index  int Size_RecvAddr=sizeof(m_RecvAddr);        m_WriteFile=new CFile();    char spz[1024];     __int64 PosFile=0;  sprintf(spz,"C:\\dataBoard%d",m_nPortNo);   m_WriteFile->Open(spz,CFile::modeCreate|CFile::modeReadWrite); while(!m_bStopSocket)   {       if(SOCKET_ERROR == (nReciveSize =     recvfrom(m_SrvSocketUDP, (char*)m_BuffPacketRecv ,UDP_PACKET_RECIVE ,0, (SOCKADDR *)&m_RecvAddr, &Size_RecvAddr)))        {           int nErrCode = WSAGetLastError();           m_WriteFile->Write(m_BuffPacketRecv,nReciveSize);           sprintf(psz, "An error occured while receiving data: %s", CGlobalTools::ErrorString(nErrCode));         LogError(psz);          break;      }       //*************************************************             //m_WriteFile->LockRange(PosFile,nReciveSize);      //m_WriteFile->Write(m_BuffPacketRecv,nReciveSize);     //m_WriteFile->UnlockRange(PosFile,nReciveSize);        //PosFile+=nReciveSize;     //*************************************************
    }   delete[] m_BuffPacketRecv;}BOOL CUDPServerSocket::Send(BYTE *pData, int nLength){   int nSize = 0;  try
    {       if(!m_bIsConnected)         return FALSE;       nSize =send(m_SocketUDP, (char*)pData, nLength, 0); }   catch(...)  {       LogError("CTCPServerSocket::Send Failed."); }       return (nSize == nLength);}