AppDenmResultData.cpp

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#include "AppDenmResultData.h"

#include <QDataStream>

AppDenmResultData::AppDenmResultData()
{
    m_failureNotification = 0;
}

AppDenmResultData::AppDenmResultData(ActionID_t actionID, bool success, e_failureNotification failureNotification,
                                     DENM_t *denm, ParameterDENM *paramDENM)
{
    asn_enc_rval_t rval;
    char msg[MSG_LENGTH] = {'\0'};

    m_actionID = actionID;
    if(!success)
    {
        m_failureNotification = (e_failureNotification*)calloc(1, sizeof *m_failureNotification);
        *m_failureNotification = failureNotification;
    }
    else
        m_failureNotification = 0;
    m_paramDENM = paramDENM;

    if(success)
    {
        rval = uper_encode_to_buffer(&asn_DEF_DENM, denm, msg, MSG_LENGTH);
        if(rval.encoded > 0)
            m_denm = QByteArray(msg, (rval.encoded + 7) / 8);
        else
            m_denm = QByteArray();
    }
    else
        m_denm = QByteArray();
}

AppDenmResultData::AppDenmResultData(QByteArray datagram)
{
    char *data = datagram.data();
    int offset = 1;
    quint8 options = data[offset++];
    quint8 denmLength;

    m_failureNotification = 0;

    if(options & (1 << (7 - AppDenmResultData_failureNotification)))
        m_failureNotification = (e_failureNotification*)calloc(1, sizeof *m_failureNotification);

    m_actionID.originatingStationID = extractUInt(data, 4, &offset);
    m_actionID.sequenceNumber = extractUInt(data, 2, &offset);
    if(m_failureNotification)
        *m_failureNotification = (e_failureNotification)data[offset];
    else
    {
        denmLength = data[offset++];
        m_denm = QByteArray(&data[offset], denmLength);
    }
}

quint8 AppDenmResultData::getOptions()
{
    quint8 options = 0;

    if(m_failureNotification)
        options |= 1 << (7 - AppDenmResultData_failureNotification);

    return options;
}

QByteArray AppDenmResultData::toBin()
{
    QByteArray bin;
    QDataStream ds(&bin, QIODevice::WriteOnly);
    quint8 messageType = m_paramDENM->mtAppDENMResult();
    quint8 options = getOptions();
    quint8 denmLength = m_denm.length();

    ds << messageType << options << (quint32)m_actionID.originatingStationID << (quint16)m_actionID.sequenceNumber;
    if(m_failureNotification)
        ds << *m_failureNotification;
    else
    {
        ds << denmLength;
        ds.writeRawData(m_denm.data(), denmLength);
    }

    return bin;
}