02/02 - Async version

*Client
Connect시 Thread 실행됨.

//스레드
UINT ThreadIOEvent(LPVOID pParam){
 CString tmp = _T("");
 char szBuffer[U_BUFSIZE];
 //create event
 WSAEVENT hEvent = ::WSACreateEvent();
 //registry event
 if(::WSAEventSelect(g_hSocket,hEvent,FD_READ|FD_CLOSE) == SOCK_ERROR){
  tmp.Format(_T("WSAEventSelect Error. [Error Code:%d]"),::WSAGetLastError());
  AfxMessageBox(tmp);
  ::WSACloseEvent(hEvent);
  return 0;
 }
 //wait for asynchronous events
 WSANETWORKEVENTS WsaNetEvent;
 while(::WSAWaitForMultipleEvents(1,&hEvent,TRUE,WSA_INFINITE,TRUE){
  ::WSAEnumNetworkEvents(g_hSocket,hEvent,&WsaNetEvent);
  switch(WsaNetEvent.lNetworkEvents){
   case FD_CLOSE: //connection close
    AfxMessageBox(_T("Connection Close"));
    ::shutdown(g_hSocket,FD_BOTH);   //빈칸
    ExitProcess(0);
    break;
   case FD_READ: //read event //빈칸
    break;
  }
 }
 ::WSACloseEvent(hEvent);
 return 0;
}
-빈칸은 소스보고 채우자. 프리렉가면 나온다.