C / C++ / MFC

UINT ListeningThread(LPVOID lpvoid)
{
	CMultycast_serverDlg *dlg = (CMultycast_serverDlg *)lpvoid;

         FD_SET SocketSet;                       // set of socket descriptors for select()
         int port;                               // looping veriable for ports
         struct sockaddr_in echoClntAddr;      // client address
         SOCKET clntSock;                      // socket discriptor for client
         unsigned int clntLen;                 // length of client address data structure
	int SelectResult = 0;
	unsigned long argp = 1;

	dlg->SelectFlag = false;
	dlg->ExitFlag = false;
	FD_ZERO(&SocketSet);
	for(port = 0 ; port < dlg->NumberOfPorts ; port++)
	   FD_SET((unsigned int)dlg->SocketsArray[port] , &SocketSet);
	while(!dlg->ExitFlag)
	{
		//FD_ZERO(&SocketSet);
	    //for(port = 0 ; port < dlg->NumberOfPorts ; port++)
		//	 FD_SET((unsigned int)dlg->SocketsArray[port] , &SocketSet);
	    SelectResult = select(/*dlg->MaxDescriptor + 1*/NULL , &SocketSet , NULL , NULL , /*&(dlg->selTimeout)*/NULL);
	    if(SelectResult == 0)
			continue;//AfxMessageBox("Error :  No echo requests for the time you specified....server still listenning");
		else if(SelectResult == SOCKET_ERROR)
		{
			AfxMessageBox("Error :  select() has failed ");
		    return 0 ;
		}
		else
		{
			//dlg->SelectFlag = true;
			for(port = 0 ; port < dlg->NumberOfPorts ; port++)
			{
				if(FD_ISSET(dlg->SocketsArray[port] , &SocketSet))
				{
			  		clntLen = sizeof(echoClntAddr);//set the size of the in-out parameter
						clntSock=accept(dlg->SocketsArray[port] , (struct sockaddr*)&echoClntAddr , (int *)&clntLen);
					if(clntSock != INVALID_SOCKET) //wait for a client to connect
					{
						dlg->HandleClient(clntSock);//clntSock is connected to a client
	 					dlg->m_RecievedDataListBox.AddString(dlg->RecievedString);
						//WSACleanup();
					 	ioctlsocket(clntSock , FIONBIO , &argp);
					}
				}  
			} 
		}
	}
	for(port = 0 ; port < dlg->NumberOfPorts ; port++)
	   closesocket(dlg->SocketsArray[port]);
	return 1;
}

Switch (Product_Case)<br />
{<br />
Case 1 : Price = 1.07; break;<br />
Case 2 : Price = 1.07; break;<br />
...<br />
Default Case<br />
}