Impala Documentation

int Impala::Application::SDash::AlertRelay::Relay ( const std::string & msg ) [inline]

Definition at line 40 of file AlertRelay.h.

References AcceptWithoutBlocking(), IsReady(), mClientSocket, and mListenSocket.

Referenced by Impala::Application::SDash::AlertWindow::ButtonSelectionEvent().

00041     {
00042         if (!IsReady())
00043         {
00044             printf("AlertRelay not ready; unable to send message: %s", msg);
00045             return 1;
00046         }
00047 
00048         std::string completeMsg = "05" + msg;
00049         if (mClientSocket == INVALID_SOCKET)
00050         {
00051             //if (AcceptWithoutBlocking(&mListenSocket, &mClientSocket) != 0)
00052             //{
00053             //    closesocket(mClientSocket);
00054             //    mClientSocket = INVALID_SOCKET;
00055             //    return 2; // transmission error; exit
00056             //}
00057             AcceptWithoutBlocking(&mListenSocket, &mClientSocket);
00058         }
00059         //else
00060         //{
00061         //    // test if recent client is still alive;
00062         //    // SK: this impl. does NOT work!
00063         //    fd_set currentClientSocketSet;
00064         //    FD_ZERO(&currentClientSocketSet);
00065         //    FD_SET(mClientSocket, &currentClientSocketSet);
00066         //    TIMEVAL timeVal = {2, 0};
00067         //    int validmClientSockets = select(0, 0, &currentClientSocketSet, 0, &timeVal);
00068         //    if (validmClientSockets < 1)
00069         //    {
00070         //        printf("client socket has become obsolete\n");
00071 
00072         //        if (AcceptWithoutBlocking(&mListenSocket, &mClientSocket) != 0)
00073         //            return 3; // transmission error; exit
00074         //    }
00075         //}
00076 
00077         //int iResult, iSendResult;
00078         if (mClientSocket != INVALID_SOCKET)
00079         {
00080             int len = completeMsg.length();
00081             int iSendResult = send( mClientSocket, completeMsg.c_str(), len, 0);
00082             int err = WSAGetLastError();
00083             if (iSendResult == SOCKET_ERROR) 
00084             {
00085                 printf("send failed: %d\n", err);
00086                 printf("Transmission of message failed: %s\n", completeMsg.c_str());
00087                 closesocket(mClientSocket);
00088                 mClientSocket = INVALID_SOCKET;
00089                 return 4;;
00090             }
00091             printf("Message sent: %s\n", completeMsg.c_str());
00092         }
00093         else
00094             printf("Transmission of message skipped: %s\n", completeMsg.c_str());
00095 
00096         return 0;
00097     }

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