C++ (Cpp) CConnection::getRecvError Examples

Example #1

File: example1.cpp Project: aNwESH143/llrp-toolkit

CMessage *
CMyApplication::recvMessage (
  int                           nMaxMS)
{
    CConnection *               pConn = m_pConnectionToReader;
    CMessage *                  pMessage;

    /*
     * Receive the message subject to a time limit
     */
    pMessage = pConn->recvMessage(nMaxMS);

    /*
     * If LLRP::CConnection::recvMessage() returns NULL then there was
     * an error. In that case we try to print the error details.
     */
    if(NULL == pMessage)
    {
        const CErrorDetails *   pError = pConn->getRecvError();

        printf("ERROR: recvMessage failed, %s\n",
            pError->m_pWhatStr ? pError->m_pWhatStr : "no reason given");

        if(NULL != pError->m_pRefType)
        {
            printf("ERROR: ... reference type %s\n",
                pError->m_pRefType->m_pName);
        }

        if(NULL != pError->m_pRefField)
        {
            printf("ERROR: ... reference field %s\n",
                pError->m_pRefField->m_pName);
        }

        return NULL;
    }

    /*
     * Print the XML text for the inbound message if
     * verbosity is 2 or higher.
     */
    if(1 < m_Verbose)
    {
        printf("\n===================================\n");
        printf("INFO: Message received\n");
        printXMLMessage(pMessage);
    }

    return pMessage;
}