CALresult createConstantBuffer1D(MWMemRes* mr,
                                 MWCALInfo* ci,
                                 const CALvoid* src,
                                 CALformat format,
                                 CALuint width)
{
    CALresult err;
    CALvoid* bufPtr;
    CALuint pitch;

    /* Create buffer */
    err = calResAllocLocal1D(&mr->res, ci->dev, width, format, 0);
    if (err != CAL_RESULT_OK)
    {
        cal_warn("Failed to create constant 1D resource", err);
        releaseMWMemRes(ci->calctx, mr);
        return err;
    }

    /* Map and write to the buffer */
    err = mapMWMemRes(mr, &bufPtr, &pitch);
    if (err != CAL_RESULT_OK)
        return err;

    memcpy(bufPtr, src, formatToSize(format) * width);

    err = unmapMWMemRes(mr);
    if (err != CAL_RESULT_OK)
        return err;

    err = getMemoryHandle(mr, ci);
    if (err != CAL_RESULT_OK)
        return err;

    return CAL_RESULT_OK;
}
Exemple #2
0
SoapySDR::Stream *SoapyRemoteDevice::setupStream(
    const int direction,
    const std::string &localFormat,
    const std::vector<size_t> &channels,
    const SoapySDR::Kwargs &args)
{
    //extract remote endpoint format using special remoteFormat keyword
    //use the client's local format when the remote format is not specified
    auto remoteFormat = localFormat;
    const auto remoteFormatIt = args.find(SOAPY_REMOTE_KWARG_FORMAT);
    if (remoteFormatIt != args.end()) remoteFormat = remoteFormatIt->second;

    double scaleFactor = SOAPY_REMOTE_DEFAULT_SCALING;
    const auto scaleFactorIt = args.find(SOAPY_REMOTE_KWARG_SCALAR);
    if (scaleFactorIt != args.end()) scaleFactor = std::stod(scaleFactorIt->second);

    size_t mtu = SOAPY_REMOTE_DEFAULT_ENDPOINT_MTU;
    const auto mtuIt = args.find(SOAPY_REMOTE_KWARG_MTU);
    if (mtuIt != args.end()) mtu = size_t(std::stod(mtuIt->second));

    size_t window = SOAPY_REMOTE_DEFAULT_ENDPOINT_WINDOW;
    const auto windowIt = args.find(SOAPY_REMOTE_KWARG_WINDOW);
    if (windowIt != args.end()) window = size_t(std::stod(windowIt->second));

    SoapySDR::logf(SOAPY_SDR_INFO, "SoapyRemote::setup%sStream(remoteFormat=%s, localFormat=%s, scaleFactor=%g, mtu=%d, window=%d)",
        (direction == SOAPY_SDR_RX)?"Rx":"Tx", remoteFormat.c_str(), localFormat.c_str(), scaleFactor, int(mtu), int(window));

    //check supported formats
    ConvertTypes convertType = CONVERT_MEMCPY;
    if (localFormat == remoteFormat) convertType = CONVERT_MEMCPY;
    else if (localFormat == "CF32" and remoteFormat == "CS16") convertType = CONVERT_CF32_CS16;
    else throw std::runtime_error(
        "SoapyRemote::setupStream() conversion not supported;"
        "localFormat="+localFormat+", remoteFormat="+remoteFormat);

    //allocate new local stream data
    ClientStreamData *data = new ClientStreamData();
    data->localFormat = localFormat;
    data->remoteFormat = remoteFormat;
    data->recvBuffs.resize(channels.size());
    data->sendBuffs.resize(channels.size());
    data->convertType = convertType;
    data->scaleFactor = scaleFactor;

    //extract socket node information
    std::string clientBindPort, statusBindPort;
    std::string localNode, remoteNode;
    std::string scheme, node, service;
    splitURL(_sock.getsockname(), scheme, localNode, service);
    splitURL(_sock.getpeername(), scheme, remoteNode, service);

    //bind the stream socket to an automatic port
    const auto bindURL = combineURL("udp", localNode, "0");
    int ret = data->streamSock.bind(bindURL);
    if (ret != 0)
    {
        const std::string errorMsg = data->streamSock.lastErrorMsg();
        delete data;
        throw std::runtime_error("SoapyRemote::setupStream("+bindURL+") -- bind FAIL: " + errorMsg);
    }
    SoapySDR::logf(SOAPY_SDR_INFO, "Client side stream bound to %s", data->streamSock.getsockname().c_str());
    splitURL(data->streamSock.getsockname(), scheme, node, clientBindPort);

    //bind the status socket to an automatic port
    ret = data->statusSock.bind(bindURL);
    if (ret != 0)
    {
        const std::string errorMsg = data->statusSock.lastErrorMsg();
        delete data;
        throw std::runtime_error("SoapyRemote::setupStream("+bindURL+") -- bind FAIL: " + errorMsg);
    }
    SoapySDR::logf(SOAPY_SDR_INFO, "Client side status bound to %s", data->streamSock.getsockname().c_str());
    splitURL(data->statusSock.getsockname(), scheme, node, statusBindPort);

    //setup the remote end of the stream
    std::lock_guard<std::mutex> lock(_mutex);
    SoapyRPCPacker packer(_sock);
    packer & SOAPY_REMOTE_SETUP_STREAM;
    packer & char(direction);
    packer & remoteFormat;
    packer & channels;
    packer & args;
    packer & clientBindPort;
    packer & statusBindPort;
    packer();

    SoapyRPCUnpacker unpacker(_sock);
    std::string serverBindPort;
    unpacker & data->streamId;
    unpacker & serverBindPort;

    //connect the stream socket to the specified port
    const auto connectURL = combineURL("udp", remoteNode, serverBindPort);
    ret = data->streamSock.connect(connectURL);
    if (ret != 0)
    {
        const std::string errorMsg = data->streamSock.lastErrorMsg();
        delete data;
        throw std::runtime_error("SoapyRemote::setupStream("+connectURL+") -- connect FAIL: " + errorMsg);
    }
    SoapySDR::logf(SOAPY_SDR_INFO, "Client side stream connected to %s", data->streamSock.getpeername().c_str());

    //create endpoint
    data->endpoint = new SoapyStreamEndpoint(data->streamSock, data->statusSock,
        direction == SOAPY_SDR_RX, channels.size(), formatToSize(remoteFormat), mtu, window);

    return (SoapySDR::Stream *)data;
}
/***********************************************************************
 * Handler dispatcher implementation
 **********************************************************************/
bool SoapyClientHandler::handleOnce(SoapyRPCUnpacker &unpacker, SoapyRPCPacker &packer)
{
    SoapyRemoteCalls call;
    unpacker & call;

    switch (call)
    {

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_FIND:
    ////////////////////////////////////////////////////////////////////
    {
        SoapySDR::Kwargs args;
        unpacker & args;
        packer & SoapySDR::Device::enumerate(args);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_MAKE:
    ////////////////////////////////////////////////////////////////////
    {
        SoapySDR::Kwargs args;
        unpacker & args;
        std::lock_guard<std::mutex> lock(factoryMutex);
        if (_dev == nullptr) _dev = SoapySDR::Device::make(args);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_UNMAKE:
    ////////////////////////////////////////////////////////////////////
    {
        std::lock_guard<std::mutex> lock(factoryMutex);
        if (_dev != nullptr) SoapySDR::Device::unmake(_dev);
        _dev = nullptr;
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_HANGUP:
    ////////////////////////////////////////////////////////////////////
    {
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_SERVER_ID:
    ////////////////////////////////////////////////////////////////////
    {
        packer & uniqueProcessId();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_START_LOG_FORWARDING:
    ////////////////////////////////////////////////////////////////////
    {
        if (_logForwarder == nullptr) _logForwarder = new SoapyLogForwarder(_sock);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_STOP_LOG_FORWARDING:
    ////////////////////////////////////////////////////////////////////
    {
        if (_logForwarder != nullptr) delete _logForwarder;
        _logForwarder = nullptr;
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_DRIVER_KEY:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getDriverKey();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_HARDWARE_KEY:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getHardwareKey();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_HARDWARE_INFO:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getHardwareInfo();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_FRONTEND_MAPPING:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        std::string mapping;
        unpacker & direction;
        unpacker & mapping;
        _dev->setFrontendMapping(direction, mapping);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FRONTEND_MAPPING:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        unpacker & direction;
        packer & _dev->getFrontendMapping(direction);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_NUM_CHANNELS:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        unpacker & direction;
        packer & int(_dev->getNumChannels(direction));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FULL_DUPLEX:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getFullDuplex(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SETUP_STREAM:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        std::string format;
        std::vector<size_t> channels;
        SoapySDR::Kwargs args;
        std::string clientBindPort;
        std::string statusBindPort;
        unpacker & direction;
        unpacker & format;
        unpacker & channels;
        unpacker & args;
        unpacker & clientBindPort;
        unpacker & statusBindPort;

        //parse args for buffer configuration
        size_t mtu = SOAPY_REMOTE_DEFAULT_ENDPOINT_MTU;
        const auto mtuIt = args.find(SOAPY_REMOTE_KWARG_MTU);
        if (mtuIt != args.end()) mtu = size_t(std::stod(mtuIt->second));

        size_t window = SOAPY_REMOTE_DEFAULT_ENDPOINT_WINDOW;
        const auto windowIt = args.find(SOAPY_REMOTE_KWARG_WINDOW);
        if (windowIt != args.end()) window = size_t(std::stod(windowIt->second));

        double priority = SOAPY_REMOTE_DEFAULT_THREAD_PRIORITY;
        const auto priorityIt = args.find(SOAPY_REMOTE_KWARG_PRIORITY);
        if (priorityIt != args.end()) priority = std::stod(priorityIt->second);

        //create stream
        auto stream = _dev->setupStream(direction, format, channels, args);

        //load data structure
        auto &data = _streamData[_nextStreamId];
        data.streamId = _nextStreamId++;
        data.device = _dev;
        data.stream = stream;
        data.format = format;
        for (const auto chan : channels) data.chanMask |= (1 << chan);
        data.priority = priority;

        //extract socket node information
        std::string serverBindPort;
        std::string localNode, remoteNode;
        std::string scheme, node, service;
        splitURL(_sock.getsockname(), scheme, localNode, service);
        splitURL(_sock.getpeername(), scheme, remoteNode, service);

        //bind the stream socket to an automatic port
        const auto bindURL = combineURL("udp", localNode, "0");
        int ret = data.streamSock.bind(bindURL);
        if (ret != 0)
        {
            const std::string errorMsg = data.streamSock.lastErrorMsg();
            _streamData.erase(data.streamId);
            throw std::runtime_error("SoapyRemote::setupStream("+bindURL+") -- bind FAIL: " + errorMsg);
        }
        SoapySDR::logf(SOAPY_SDR_INFO, "Server side stream bound to %s", data.streamSock.getsockname().c_str());
        splitURL(data.streamSock.getsockname(), scheme, node, serverBindPort);

        //connect the stream socket to the specified port
        auto connectURL = combineURL("udp", remoteNode, clientBindPort);
        ret = data.streamSock.connect(connectURL);
        if (ret != 0)
        {
            const std::string errorMsg = data.streamSock.lastErrorMsg();
            _streamData.erase(data.streamId);
            throw std::runtime_error("SoapyRemote::setupStream("+connectURL+") -- connect FAIL: " + errorMsg);
        }
        SoapySDR::logf(SOAPY_SDR_INFO, "Server side stream connected to %s", data.streamSock.getpeername().c_str());

        //connect the status socket to the specified port
        connectURL = combineURL("udp", remoteNode, statusBindPort);
        ret = data.statusSock.connect(connectURL);
        if (ret != 0)
        {
            const std::string errorMsg = data.statusSock.lastErrorMsg();
            _streamData.erase(data.streamId);
            throw std::runtime_error("SoapyRemote::setupStream("+connectURL+") -- connect FAIL: " + errorMsg);
        }
        SoapySDR::logf(SOAPY_SDR_INFO, "Server side status connected to %s", data.statusSock.getpeername().c_str());

        //create endpoint
        data.endpoint = new SoapyStreamEndpoint(data.streamSock, data.statusSock,
            direction == SOAPY_SDR_TX, channels.size(), formatToSize(format), mtu, window);

        //start worker thread, this is not backwards,
        //receive from device means using a send endpoint
        //transmit to device means using a recv endpoint
        if (direction == SOAPY_SDR_RX) data.startSendThread();
        if (direction == SOAPY_SDR_TX) data.startRecvThread();
        data.startStatThread();

        packer & data.streamId;
        packer & serverBindPort;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_CLOSE_STREAM:
    ////////////////////////////////////////////////////////////////////
    {
        int streamId = 0;
        unpacker & streamId;

        //cleanup data and stop worker thread
        auto &data = _streamData.at(streamId);
        data.stopThreads();
        _dev->closeStream(data.stream);
        _streamData.erase(streamId);

        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_ACTIVATE_STREAM:
    ////////////////////////////////////////////////////////////////////
    {
        int streamId = 0;
        int flags = 0;
        long long timeNs = 0;
        int numElems = 0;
        unpacker & streamId;
        unpacker & flags;
        unpacker & timeNs;
        unpacker & numElems;

        auto &data = _streamData.at(streamId);
        packer & _dev->activateStream(data.stream, flags, timeNs, size_t(numElems));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_DEACTIVATE_STREAM:
    ////////////////////////////////////////////////////////////////////
    {
        int streamId = 0;
        int flags = 0;
        long long timeNs = 0;
        unpacker & streamId;
        unpacker & flags;
        unpacker & timeNs;

        auto &data = _streamData.at(streamId);
        packer & _dev->deactivateStream(data.stream, flags, timeNs);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_ANTENNAS:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listAntennas(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_ANTENNA:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        _dev->setAntenna(direction, channel, name);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_ANTENNA:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getAntenna(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_HAS_DC_OFFSET_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->hasDCOffsetMode(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_DC_OFFSET_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        bool automatic = false;
        unpacker & direction;
        unpacker & channel;
        unpacker & automatic;
        _dev->setDCOffsetMode(direction, channel, automatic);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_DC_OFFSET_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getDCOffsetMode(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_HAS_DC_OFFSET:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->hasDCOffset(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_DC_OFFSET:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::complex<double> offset;
        unpacker & direction;
        unpacker & channel;
        unpacker & offset;
        _dev->setDCOffset(direction, channel, offset);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_DC_OFFSET:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getDCOffset(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_HAS_IQ_BALANCE_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->hasIQBalance(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_IQ_BALANCE_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::complex<double> balance;
        unpacker & direction;
        unpacker & channel;
        unpacker & balance;
        _dev->setIQBalance(direction, channel, balance);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_IQ_BALANCE_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getIQBalance(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_GAINS:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listGains(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_GAIN_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        bool automatic = false;
        unpacker & direction;
        unpacker & channel;
        unpacker & automatic;
        _dev->setGainMode(direction, channel, automatic);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_GAIN_MODE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getGainMode(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_GAIN:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        double value = 0;
        unpacker & direction;
        unpacker & channel;
        unpacker & value;
        _dev->setGain(direction, channel, value);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_GAIN_ELEMENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        double value = 0;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        unpacker & value;
        _dev->setGain(direction, channel, name, value);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_GAIN:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getGain(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_GAIN_ELEMENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        packer & _dev->getGain(direction, channel, name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_GAIN_RANGE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getGainRange(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_GAIN_RANGE_ELEMENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        packer & _dev->getGainRange(direction, channel, name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_FREQUENCY:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        double value = 0;
        SoapySDR::Kwargs args;
        unpacker & direction;
        unpacker & channel;
        unpacker & value;
        unpacker & args;
        _dev->setFrequency(direction, channel, value, args);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_FREQUENCY_COMPONENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        double value = 0;
        SoapySDR::Kwargs args;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        unpacker & value;
        unpacker & args;
        _dev->setFrequency(direction, channel, name, value, args);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FREQUENCY:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getFrequency(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FREQUENCY_COMPONENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        packer & _dev->getFrequency(direction, channel, name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_FREQUENCIES:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listFrequencies(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FREQUENCY_RANGE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getFrequencyRange(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_FREQUENCY_RANGE_COMPONENT:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        packer & _dev->getFrequencyRange(direction, channel, name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_SAMPLE_RATE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        double rate = 0;
        unpacker & direction;
        unpacker & channel;
        unpacker & rate;
        _dev->setSampleRate(direction, channel, rate);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_SAMPLE_RATE:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getSampleRate(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_SAMPLE_RATES:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listSampleRates(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_BANDWIDTH:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        double bw = 0;
        unpacker & direction;
        unpacker & channel;
        unpacker & bw;
        _dev->setBandwidth(direction, channel, bw);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_BANDWIDTH:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->getBandwidth(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_BANDWIDTHS:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listBandwidths(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_MASTER_CLOCK_RATE:
    ////////////////////////////////////////////////////////////////////
    {
        double rate = 0;
        unpacker & rate;
        _dev->setMasterClockRate(rate);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_MASTER_CLOCK_RATE:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getMasterClockRate();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_CLOCK_SOURCES:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->listClockSources();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_CLOCK_SOURCE:
    ////////////////////////////////////////////////////////////////////
    {
        std::string source;
        unpacker & source;
        _dev->setClockSource(source);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_CLOCK_SOURCE:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getClockSource();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_TIME_SOURCES:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->listTimeSources();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_TIME_SOURCE:
    ////////////////////////////////////////////////////////////////////
    {
        std::string source;
        unpacker & source;
        _dev->setTimeSource(source);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_TIME_SOURCE:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->getTimeSource();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_HAS_HARDWARE_TIME:
    ////////////////////////////////////////////////////////////////////
    {
        std::string what;
        unpacker & what;
        packer & _dev->hasHardwareTime(what);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_GET_HARDWARE_TIME:
    ////////////////////////////////////////////////////////////////////
    {
        std::string what;
        unpacker & what;
        packer & _dev->getHardwareTime(what);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_HARDWARE_TIME:
    ////////////////////////////////////////////////////////////////////
    {
        long long timeNs = 0;
        std::string what;
        unpacker & timeNs;
        unpacker & what;
        _dev->setHardwareTime(timeNs, what);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_SET_COMMAND_TIME:
    ////////////////////////////////////////////////////////////////////
    {
        long long timeNs = 0;
        std::string what;
        unpacker & timeNs;
        unpacker & what;
        _dev->setCommandTime(timeNs, what);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_SENSORS:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->listSensors();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_SENSOR:
    ////////////////////////////////////////////////////////////////////
    {
        std::string name;
        unpacker & name;
        packer & _dev->readSensor(name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_CHANNEL_SENSORS:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        unpacker & direction;
        unpacker & channel;
        packer & _dev->listSensors(direction, channel);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_CHANNEL_SENSOR:
    ////////////////////////////////////////////////////////////////////
    {
        char direction = 0;
        int channel = 0;
        std::string name;
        unpacker & direction;
        unpacker & channel;
        unpacker & name;
        packer & _dev->readSensor(direction, channel, name);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_REGISTER:
    ////////////////////////////////////////////////////////////////////
    {
        int addr = 0;
        int value = 0;
        unpacker & addr;
        unpacker & value;
        _dev->writeRegister(unsigned(addr), unsigned(value));
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_REGISTER:
    ////////////////////////////////////////////////////////////////////
    {
        int addr = 0;
        unpacker & addr;
        packer & int(_dev->readRegister(unsigned(addr)));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_SETTING:
    ////////////////////////////////////////////////////////////////////
    {
        std::string key;
        std::string value;
        unpacker & key;
        unpacker & value;
        _dev->writeSetting(key, value);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_SETTING:
    ////////////////////////////////////////////////////////////////////
    {
        std::string key;
        unpacker & key;
        packer & _dev->readSetting(key);
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_GPIO_BANKS:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->listGPIOBanks();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_GPIO:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        int value = 0;
        unpacker & bank;
        unpacker & value;
        _dev->writeGPIO(bank, unsigned(value));
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_GPIO_MASKED:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        int value = 0;
        int mask = 0;
        unpacker & bank;
        unpacker & value;
        unpacker & mask;
        _dev->writeGPIO(bank, unsigned(value), unsigned(mask));
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_GPIO:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        unpacker & bank;
        packer & int(_dev->readGPIO(bank));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_GPIO_DIR:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        int dir = 0;
        unpacker & bank;
        unpacker & dir;
        _dev->writeGPIODir(bank, unsigned(dir));
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_GPIO_DIR_MASKED:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        int dir = 0;
        int mask = 0;
        unpacker & bank;
        unpacker & dir;
        unpacker & mask;
        _dev->writeGPIODir(bank, unsigned(dir), unsigned(mask));
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_GPIO_DIR:
    ////////////////////////////////////////////////////////////////////
    {
        std::string bank;
        unpacker & bank;
        packer & int(_dev->readGPIODir(bank));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_I2C:
    ////////////////////////////////////////////////////////////////////
    {
        int addr = 0;
        std::string data;
        unpacker & addr;
        unpacker & data;
        _dev->writeI2C(addr, data);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_I2C:
    ////////////////////////////////////////////////////////////////////
    {
        int addr = 0;
        int numBytes = 0;
        unpacker & addr;
        unpacker & numBytes;
        packer & _dev->readI2C(addr, unsigned(numBytes));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_TRANSACT_SPI:
    ////////////////////////////////////////////////////////////////////
    {
        int addr = 0;
        int data = 0;
        int numBits = 0;
        unpacker & addr;
        unpacker & data;
        unpacker & numBits;
        packer & int(_dev->transactSPI(addr, unsigned(data), size_t(numBits)));
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_LIST_UARTS:
    ////////////////////////////////////////////////////////////////////
    {
        packer & _dev->listUARTs();
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_WRITE_UART:
    ////////////////////////////////////////////////////////////////////
    {
        std::string which;
        std::string data;
        unpacker & which;
        unpacker & data;
        _dev->writeUART(which, data);
        packer & SOAPY_REMOTE_VOID;
    } break;

    ////////////////////////////////////////////////////////////////////
    case SOAPY_REMOTE_READ_UART:
    ////////////////////////////////////////////////////////////////////
    {
        std::string which;
        int timeoutUs = 0;
        unpacker & which;
        unpacker & timeoutUs;
        packer & _dev->readUART(which, long(timeoutUs));
    } break;

    default: throw std::runtime_error(
        "SoapyClientHandler::handleOnce("+std::to_string(int(call))+") unknown call");
    }

    return call != SOAPY_REMOTE_HANGUP;
}