Exemple #1
0
void testGet(bool debug,GatherV3DataPtr gather)
{
    String builder;
    NTTablePtr nttable = gather->getNTTable();
    bool result = gather->get();
    if(!result) printf("get failed\n%s\n",gather->getMessage().c_str());
    if(debug) {
        builder.clear();
        nttable->getPVStructure()->toString(&builder);
        printf("nttable\n%s\n",builder.c_str());
    }
    PVDoubleArrayPtr values = gather->getDoubleValue();
    PVIntArrayPtr severitys = gather->getAlarmSeverity();
    PVBooleanArrayPtr isConnecteds = gather->getIsConnected();
    PVStringArrayPtr channelNames = gather->getChannelName();
    if(debug) {
        builder.clear();
        values->toString(&builder);
        printf("value: %s\n",builder.c_str());
        builder.clear();
        severitys->toString(&builder);
        printf("severity: %s\n",builder.c_str());
        builder.clear();
        isConnecteds->toString(&builder);
        printf("isConnected: %s\n",builder.c_str());
        builder.clear();
        channelNames->toString(&builder);
        printf("channelName: %s\n",builder.c_str());
    }
}
static void setValue(PVUnionPtr const &pvUnion, double value)
{
    UnionConstPtr u = pvUnion->getUnion();
    FieldConstPtr field = u->getField(0);
    Type type = field->getType();
    if(type==scalar) {
         ScalarConstPtr scalar = static_pointer_cast<const Scalar>(field);
         ScalarType scalarType = scalar->getScalarType();
         if(scalarType==pvDouble) {
              PVDoublePtr pvValue = static_pointer_cast<PVDouble>(
                   pvDataCreate->createPVScalar(pvDouble));
              pvValue->put(value);
              pvUnion->set(0,pvValue);
              return;
         }
         if(scalarType==pvString) {
              PVStringPtr pvValue = static_pointer_cast<PVString>(
                   pvDataCreate->createPVScalar(pvString));
              stringstream ss;
              ss << "value" << value;
              pvValue->put(ss.str());
              pvUnion->set(0,pvValue);
              return;
         }
         throw std::runtime_error("only pvDouble and pvString are supported");
    }
    if(type==scalarArray) {
         ScalarArrayConstPtr scalarArray = static_pointer_cast<const ScalarArray>(field);
         ScalarType scalarType = scalarArray->getElementType();
         if(scalarType==pvDouble) {
              size_t num = 5;
              PVDoubleArrayPtr pvValue = static_pointer_cast<PVDoubleArray>(
                   pvDataCreate->createPVScalarArray(pvDouble));
              shared_vector<double> data(num);
              for(size_t i=0; i<num; ++i) data[i] = value +i;
              pvValue->replace(freeze(data));
              pvUnion->set(0,pvValue);
              return;
         }
         if(scalarType==pvString) {
              size_t num = 5;
              PVStringArrayPtr pvValue = static_pointer_cast<PVStringArray>(
                   pvDataCreate->createPVScalarArray(pvString));
              shared_vector<string> data(num);
              for(size_t i=0; i<num; ++i) {
                  stringstream ss;
                  ss << "value" << value << i;
                  data[i] = ss.str();
              }
              pvValue->replace(freeze(data));
              pvUnion->set(0,pvValue);
              return;
         }
         throw std::runtime_error("only pvDouble and pvString are supported");
    }
    throw std::runtime_error("only scalar and scalarArray fields are supported");
}
void PvaClientPutData::putDoubleArray(shared_vector<const double> const & value)
{
    checkValue();
    PVDoubleArrayPtr pv = pvStructure->getSubField<PVDoubleArray>("value");
    if(!pv) {
        throw std::runtime_error(messagePrefix + notDoubleArray);
    }
    pv->replace(value);
}
shared_vector<const double> PvaClientPutData::getDoubleArray()
{
    checkValue();
    PVDoubleArrayPtr pv = pvStructure->getSubField<PVDoubleArray>("value");
    if(!pv) {
        throw std::runtime_error(messagePrefix + notDoubleArray);
    }
    return pv->view();   
}
Exemple #5
0
void MonitorRequesterImpl::ParseScalarArray(PVScalarArray::shared_pointer const & pvArray,  knobData* kPtr)
{
    size_t length = pvArray->getLength();
    qDebug() << "lenght of array " << length;
    PVDoubleArrayPtr ArrayData = static_pointer_cast<epics::pvData::PVDoubleArray> (pvArray);
    DoubleArrayData valuesArrayData;
    int valuesLength = ArrayData->get(0, ArrayData->getLength(), valuesArrayData);

    if((double) (valuesLength * sizeof(double)) != kPtr->edata.dataSize) {
        free(kPtr->edata.dataB);
        kPtr->edata.dataB = (void*) malloc(valuesLength * sizeof(double));
        kPtr->edata.dataSize = valuesLength * sizeof(double);
    }
    kPtr->edata.valueCount = valuesLength;
    kPtr->edata.precision = 3;  // for the time beeing, set to 3
    kPtr->edata.fieldtype = caDOUBLE;
    memcpy(kPtr->edata.dataB, &valuesArrayData.data[0],  valuesLength * sizeof(double));

}
void ExampleMonitorLinkRecord::event(PvaClientMonitorPtr const & monitor)
{
    while(monitor->poll()) {
        PVStructurePtr pvStructure = monitor->getData()->getPVStructure();
        PVDoubleArrayPtr pvDoubleArray = pvStructure->getSubField<PVDoubleArray>("value");
        if(!pvDoubleArray) throw std::runtime_error("value is not a double array");
        lock();
        try {
            beginGroupPut();
            pvValue->replace(pvDoubleArray->view());
            process();
            endGroupPut();
        } catch(...) {
           unlock();
           throw;
        }
        unlock();
        monitor->releaseEvent();
    }
}
void ExampleLink::monitorEvent(epics::pvData::MonitorPtr const & monitor)
{
    while(true) {
        MonitorElementPtr monitorElement = monitor->poll();
        if(!monitorElement) break;
        PVStructurePtr pvStructurePtr = monitorElement->pvStructurePtr;
        PVDoubleArrayPtr pvDoubleArray = pvStructurePtr->getSubField<PVDoubleArray>("value");
        if(!pvDoubleArray) throw std::runtime_error("value is not a double array");

        lock();
        try {
            beginGroupPut();
            pvValue->replace(pvDoubleArray->view());
            process();
            endGroupPut();
        } catch(...) {
           unlock();
           throw;
        }
        unlock();
        monitor->release(monitorElement);
    }
}
void test_ntcontinuum()
{
    testDiag("test_ntcontinuum");

    NTContinuumBuilderPtr builder = NTContinuum::createBuilder();
    testOk(builder.get() != 0, "Got builder");

    NTContinuumPtr ntContinuum = builder->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            add("extra1",fieldCreate->createScalar(pvString)) ->
            add("extra2",fieldCreate->createScalarArray(pvString)) ->
            create();
    testOk1(ntContinuum.get() != 0);

    testOk1(ntContinuum->getPVStructure().get() != 0);
    testOk1(ntContinuum->getDescriptor().get() != 0);
    testOk1(ntContinuum->getAlarm().get() != 0);
    testOk1(ntContinuum->getTimeStamp().get() != 0);
    testOk1(ntContinuum->getBase().get() != 0);
    testOk1(ntContinuum->getValue().get() != 0);
    //
    // example how to set base
    //
    PVDoubleArray::svector newBase;
    newBase.push_back(1.0);
    newBase.push_back(2.0);

    PVDoubleArrayPtr pvBaseField = ntContinuum->getBase();
    pvBaseField->replace(freeze(newBase));

    //
    // example how to get bases
    //
    PVDoubleArray::const_svector base(pvBaseField->view());

    testOk1(base.size() == 2);
    testOk1(base[0] == 1.0);
    testOk1(base[1] == 2.0);

    //
    // example how to set values
    //
    PVDoubleArray::svector newValue;
    newValue.push_back(1.0);
    newValue.push_back(2.0);
    newValue.push_back(10.0);
    newValue.push_back(20.0);
    newValue.push_back(100.0);
    newValue.push_back(200.0);

    PVDoubleArrayPtr pvValueField = ntContinuum->getValue();
    pvValueField->replace(freeze(newValue));

    //
    // example how to get values
    //
    PVDoubleArray::const_svector value(pvValueField->view());

    testOk1(value.size() == 6);
    testOk1(value[0] == 1.0);
    testOk1(value[1] == 2.0);
    testOk1(value[2] == 10.0);
    testOk1(value[3] == 20.0);
    testOk1(value[4] == 100.0);
    testOk1(value[5] == 200.0);

    //
    // example how to set units
    //
    PVStringArray::svector newUnits;
    newUnits.push_back("s");
    newUnits.push_back("ms");
    newUnits.push_back("us");
    newUnits.push_back("s");

    PVStringArrayPtr pvUnitsField = ntContinuum->getUnits();
    pvUnitsField->replace(freeze(newUnits));

    //
    // example how to get units
    //
    PVStringArray::const_svector units(pvUnitsField->view());

    testOk1(units.size() == 4);
    testOk1(units[0] == "s");
    testOk1(units[1] == "ms");
    testOk1(units[2] == "us");
    testOk1(units[3] == "s");

    //
    // test isValid
    //
    testOk1(ntContinuum->isValid());
    //
    // timeStamp ops
    //
    PVTimeStamp pvTimeStamp;
    if (ntContinuum->attachTimeStamp(pvTimeStamp))
    {
        testPass("timeStamp attach");

        // example how to set current time
        TimeStamp ts;
        ts.getCurrent();
        pvTimeStamp.set(ts);

        // example how to get EPICS time
        TimeStamp ts2;
        pvTimeStamp.get(ts2);
        testOk1(ts2.getEpicsSecondsPastEpoch() != 0);
    }
    else
        testFail("timeStamp attach fail");

    //
    // alarm ops
    //
    PVAlarm pvAlarm;
    if (ntContinuum->attachAlarm(pvAlarm))
    {
        testPass("alarm attach");

        // example how to set an alarm
        Alarm alarm;
        alarm.setStatus(deviceStatus);
        alarm.setSeverity(minorAlarm);
        alarm.setMessage("simulation alarm");
        pvAlarm.set(alarm);
    }
    else
        testFail("alarm attach fail");

    //
    // set descriptor
    //
    ntContinuum->getDescriptor()->put("This is a test NTContinuum");

    // dump NTContinuum
    std::cout << *ntContinuum->getPVStructure() << std::endl;

}
void test_nthistogram()
{
    testDiag("test_nthistogram");

    NTHistogramBuilderPtr builder = NTHistogram::createBuilder();
    testOk(builder.get() != 0, "Got builder");

    NTHistogramPtr ntHistogram = builder->
            value(pvInt)->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            add("extra1",fieldCreate->createScalar(pvString)) ->
            add("extra2",fieldCreate->createScalarArray(pvString)) ->
            create();
    testOk1(ntHistogram.get() != 0);

    testOk1(ntHistogram->getPVStructure().get() != 0);
    testOk1(ntHistogram->getDescriptor().get() != 0);
    testOk1(ntHistogram->getAlarm().get() != 0);
    testOk1(ntHistogram->getTimeStamp().get() != 0);
    testOk1(ntHistogram->getRanges().get() != 0);
    testOk1(ntHistogram->getValue().get() != 0);
    testOk1(ntHistogram->getValue<PVIntArray>().get() != 0);
    //
    // example how to set ranges
    //
    PVDoubleArray::svector newRanges;
    newRanges.push_back(-100.0);
    newRanges.push_back(0.0);
    newRanges.push_back(100.0);

    PVDoubleArrayPtr pvRangesField = ntHistogram->getRanges();
    pvRangesField->replace(freeze(newRanges));

    //
    // example how to get ranges
    //
    PVDoubleArray::const_svector ranges(pvRangesField->view());

    testOk1(ranges.size() == 3);
    testOk1(ranges[0] == -100.0);
    testOk1(ranges[1] == 0.0);
    testOk1(ranges[2] == 100.0);

    //
    // example how to set value
    //
    PVIntArray::svector newValue;
    newValue.push_back(1);
    newValue.push_back(2);

    PVIntArrayPtr pvValueField = ntHistogram->getValue<PVIntArray>();
    pvValueField->replace(freeze(newValue));

    //
    // example how to get values for each bin
    //
    PVIntArray::const_svector value(pvValueField->view());

    testOk1(value.size() == 2);
    testOk1(value[0] == 1);
    testOk1(value[1] == 2);

    //
    // test isValid
    //
    testOk1(ntHistogram->isValid());
    //
    // timeStamp ops
    //
    PVTimeStamp pvTimeStamp;
    if (ntHistogram->attachTimeStamp(pvTimeStamp))
    {
        testPass("timeStamp attach");

        // example how to set current time
        TimeStamp ts;
        ts.getCurrent();
        pvTimeStamp.set(ts);

        // example how to get EPICS time
        TimeStamp ts2;
        pvTimeStamp.get(ts2);
        testOk1(ts2.getEpicsSecondsPastEpoch() != 0);
    }
    else
        testFail("timeStamp attach fail");

    //
    // alarm ops
    //
    PVAlarm pvAlarm;
    if (ntHistogram->attachAlarm(pvAlarm))
    {
        testPass("alarm attach");

        // example how to set an alarm
        Alarm alarm;
        alarm.setStatus(deviceStatus);
        alarm.setSeverity(minorAlarm);
        alarm.setMessage("simulation alarm");
        pvAlarm.set(alarm);
    }
    else
        testFail("alarm attach fail");

    //
    // set descriptor
    //
    ntHistogram->getDescriptor()->put("This is a test NTHistogram");

    // dump NTHistogram
    std::cout << *ntHistogram->getPVStructure() << std::endl;

}
Exemple #10
0
void test()
{
    String builder;
    int n = 9;
    StringArray channelName(n);
    channelName[0] = "masarExample0000";
    channelName[1] = "masarExample0001";
    channelName[2] = "masarExample0002";
    channelName[3] = "masarExample0003";
    channelName[4] = "masarExample0004";
    channelName[5] = "masarExampleCharArray";
    channelName[6] = "masarExampleStringArray";
    channelName[7] = "masarExampleLongArray";
    channelName[8] = "masarExampleDoubleArray";
    GatherV3DataPtr gather(new GatherV3Data(channelName,n));
    bool result = gather->connect(5.0);
    if(!result) {
        printf("connect failed\n%s\n",gather->getMessage().c_str());
        printf("This test requires iocBoot/iocAll ");
        printf("It must be started before running this test\n");
        exit(1);
    }
    NTTablePtr nttable = gather->getNTTable();
    BooleanArrayData booldata;
    PVBooleanArrayPtr pvIsArray = static_pointer_cast<PVBooleanArray>
            (nttable->getPVStructure()->getScalarArrayField("isArray",pvBoolean));
    pvIsArray->get(0,n,booldata);
    BooleanArray & isArray = booldata.data;
    DoubleArrayData ddata;
    gather->getDoubleValue()->get(0,n,ddata);
    DoubleArray & dvalue = ddata.data;
    StringArrayData sdata;
    gather->getStringValue()->get(0,n,sdata);
    StringArray & svalue = sdata.data;
    LongArrayData ldata;
    gather->getLongValue()->get(0,n,ldata);
    LongArray & lvalue = ldata.data;
    IntArrayData idata;
    StructureArrayData structdata;
    gather->getArrayValue()->get(0,n,structdata);
    PVStructurePtrArray & structvalue = structdata.data;
    gather->getDBRType()->get(0,n,idata);
    IntArray & dbrType = idata.data;
    for(int i=0; i<n; i++) {
        if(isArray[i]) {
            PVStructurePtr pvStructure = structvalue[i];
            switch(dbrType[i]) {
            case DBF_STRING: {
                PVStringArrayPtr pvValue = static_pointer_cast<PVStringArray>(
                    pvStructure->getScalarArrayField("stringValue",pvString));
                int num = 4;
                String value[4];
                value[0] = "aaa";
                value[1] = "bbb";
                value[2] = "ccc";
                value[3] = "ddd";
                pvValue->put(0,num,value,0);
                break;
            }
            case DBF_CHAR:
            case DBF_INT:
            case DBF_LONG: {
                PVIntArrayPtr pvValue = static_pointer_cast<PVIntArray>(
                    pvStructure->getScalarArrayField("intValue",pvInt));
                int num = 4;
                int32 value[4] = {1,2,3,4};
                pvValue->put(0,num,value,0);
                 break;
            }
            case DBF_FLOAT:
            case DBF_DOUBLE: {
                PVDoubleArrayPtr pvValue = static_pointer_cast<PVDoubleArray>(
                    pvStructure->getScalarArrayField("doubleValue",pvDouble));
                int num = 4;
                double value[4] = {1e1,1e2,1e3,1e4};
                pvValue->put(0,num,value,0);
                 break;
            }
            default:
                printf("got an unexpected DBF type. Logic error\n");
                exit(1);
            }
            continue;
        }
        switch(dbrType[i]) {
        case DBF_STRING:
             svalue[i] = String("this is set by gatherV3DataPut"); break;
        case DBF_ENUM:
             svalue[i] = String("one"); break;
        case DBF_CHAR:
        case DBF_INT:
        case DBF_LONG:
             lvalue[i] = i; break;
        case DBF_FLOAT:
        case DBF_DOUBLE:
             dvalue[i] = i; break;
        default:
            printf("got an unexpected DBF type. Logic error\n");
            exit(1);
        }
    }
    result = gather->put();
    if(!result) {printf("put failed\n%s\n",gather->getMessage().c_str()); exit(1);}
    result = gather->get();
    if(!result) {printf("get failed\n%s\n",gather->getMessage().c_str()); exit(1);}
    builder.clear();
    nttable->getPVStructure()->toString(&builder);
    printf("nttable\n%s\n",builder.c_str());
}
static void test()
{
    NTScalarMultiChannelBuilderPtr builder = NTScalarMultiChannel::createBuilder();
    testOk(builder.get() != 0, "Got builder");

    NTScalarMultiChannelPtr multiChannel = builder->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            add("extra1",fieldCreate->createScalar(pvString)) ->
            add("extra2",fieldCreate->createScalarArray(pvString)) ->
            create();
    testOk1(multiChannel.get() != 0);

    PVStructurePtr pvStructure = multiChannel->getPVStructure();
    testOk1(pvStructure.get()!=NULL);
    testOk1(NTScalarMultiChannel::is_a(pvStructure->getStructure()));
    size_t nchan = 3;
    shared_vector<string> names(nchan);
    names[0] = "channel 0";
    names[1] = "channel 1";
    names[2] = "channel 2";
    shared_vector<const string> channelNames(freeze(names));
    PVStringArrayPtr pvChannelName = multiChannel->getChannelName();
    pvChannelName->replace(channelNames);
    if(debug) {cout << *pvStructure << endl;}
    multiChannel = builder->
            value(pvDouble) ->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            addIsConnected() ->
            create();
    testOk1(multiChannel.get() != 0);
    pvStructure = multiChannel->getPVStructure();
    if(debug) {cout << *pvStructure << endl;}
    pvChannelName = multiChannel->getChannelName();
    pvChannelName->replace(channelNames);
    PVDoubleArrayPtr pvValue = multiChannel->getValue<PVDoubleArray>();
    PVDoubleArray::svector doubles(nchan);
    doubles.resize(nchan);
    doubles[0] = 3.14159;
    doubles[1] = 2.71828;
    doubles[2] = 137.036;
    pvValue->replace(freeze(doubles));
    shared_vector<int32> severities(nchan);
    severities[0] = 0;
    severities[1] = 1;
    severities[2] = 2;
    PVIntArrayPtr pvSeverity = multiChannel->getSeverity();
    pvSeverity->replace(freeze(severities));
    if(debug) {cout << *pvStructure << endl;}
    PVBooleanArrayPtr pvIsConnected = multiChannel->getIsConnected();
    shared_vector<const epics::pvData::boolean> isConnected = pvIsConnected->view();
    multiChannel = builder->
            value(pvDouble) ->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            addStatus() ->
            addMessage() ->
            addSecondsPastEpoch() ->
            addNanoseconds() ->
            addUserTag() ->
            addIsConnected() ->
            create();
    testOk1(multiChannel.get() != 0);
    pvStructure = multiChannel->getPVStructure();
    if(debug) {cout << *pvStructure << endl;}
    testOk1(NTScalarMultiChannel::isCompatible(pvStructure)==true);
    PVStructurePtr pvTimeStamp = multiChannel->getTimeStamp();
    testOk1(pvTimeStamp.get() !=0);
    PVStructurePtr pvAlarm = multiChannel->getAlarm();
    testOk1(pvAlarm.get() !=0);
    pvValue = multiChannel->getValue<PVDoubleArray>();
    testOk1(pvValue.get() !=0);
    pvChannelName = multiChannel->getChannelName();
    testOk1(pvChannelName.get() !=0);
    pvIsConnected = multiChannel->getIsConnected();
    testOk1(pvIsConnected.get() !=0);
    pvSeverity = multiChannel->getSeverity();
    testOk1(pvSeverity.get() !=0);
    PVIntArrayPtr pvStatus = multiChannel->getStatus();
    testOk1(pvStatus.get() !=0);
    PVStringArrayPtr pvMessage = multiChannel->getMessage();
    testOk1(pvMessage.get() !=0);
    PVLongArrayPtr pvSecondsPastEpoch = multiChannel->getSecondsPastEpoch();
    testOk1(pvSecondsPastEpoch.get() !=0);
    PVIntArrayPtr pvNanoseconds = multiChannel->getNanoseconds();
    testOk1(pvNanoseconds.get() !=0);
    PVIntArrayPtr pvUserTag = multiChannel->getUserTag();
    testOk1(pvUserTag.get() !=0);
    PVStringPtr pvDescriptor = multiChannel->getDescriptor();
    testOk1(pvDescriptor.get() !=0);
}
Exemple #12
0
static PyObject *getScalarArrayValue(PVScalarArrayPtr pvScalarArray)
{
    ScalarType scalarType = pvScalarArray->getScalarArray()->getElementType();
    switch(scalarType) {
    case pvBoolean: {
        PVBooleanArrayPtr pvArray = static_pointer_cast<PVBooleanArray>(pvScalarArray);
        shared_vector<const boolean> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            int value = (data[i] ? 1 : 0);
            PyObject *elem = Py_BuildValue("i",value);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvByte: {
        PVByteArrayPtr pvArray = static_pointer_cast<PVByteArray>(pvScalarArray);
        shared_vector<const int8> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            int value = data[i];
            PyObject *elem = Py_BuildValue("i",value);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvUByte: {
        PVUByteArrayPtr pvArray = static_pointer_cast<PVUByteArray>(pvScalarArray);
        shared_vector<const uint8> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            int value = data[i];
            PyObject *elem = Py_BuildValue("i",value);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvShort: {
        PVShortArrayPtr pvArray = static_pointer_cast<PVShortArray>(pvScalarArray);
        shared_vector<const int16> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            int value = data[i];
            PyObject *elem = Py_BuildValue("i",value);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvUShort: {
        PVUShortArrayPtr pvArray = static_pointer_cast<PVUShortArray>(pvScalarArray);
        shared_vector<const uint16> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            int value = data[i];
            PyObject *elem = Py_BuildValue("i",value);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvInt: {
        PVIntArrayPtr pvArray = static_pointer_cast<PVIntArray>(pvScalarArray);
        shared_vector<const int32> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("i",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvUInt: {
        PVUIntArrayPtr pvArray = static_pointer_cast<PVUIntArray>(pvScalarArray);
        shared_vector<const uint32> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("i",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvLong: {
        PVLongArrayPtr pvArray = static_pointer_cast<PVLongArray>(pvScalarArray);
        shared_vector<const int64> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("k",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvULong: {
        PVULongArrayPtr pvArray = static_pointer_cast<PVULongArray>(pvScalarArray);
        shared_vector<const uint64> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("k",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvFloat: {
        PVFloatArrayPtr pvArray = static_pointer_cast<PVFloatArray>(pvScalarArray);
        shared_vector<const float> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("f",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvDouble: {
        PVDoubleArrayPtr pvArray = static_pointer_cast<PVDoubleArray>(pvScalarArray);
        shared_vector<const double> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("d",data[i]);
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    case pvString: {
        PVStringArrayPtr pvArray = static_pointer_cast<PVStringArray>(pvScalarArray);
        shared_vector<const string> data(pvArray->view());
        int num = data.size();
        PyObject *result = PyTuple_New(num);
        for(int i=0; i<num; i++) {
            PyObject *elem = Py_BuildValue("s",data[i].c_str());
            PyTuple_SetItem(result, i, elem);
        }
        return result;
    }
    }
    Py_INCREF(Py_None);
    return Py_None;
}
void RequestResponseHandler::makeStrings(epics::pvData::PVStructurePtr const & response)
{
    using namespace epics::pvData;
    using namespace std;

    PVStructurePtr responseValues = response->getStructureField("value");
    if (!responseValues)
    {
        cerr << "Data invalid: No value field in table." << endl;
        m_ok = false;  
        return; 
    }

    //  Handle each of the fields in the archiver query response in turn.

    //  Values.
    PVDoubleArrayPtr values = getDoubleArrayField(responseValues, "value");
    if (!values)
    {
        cerr << "Data invalid: No value field in table values." << endl;
        m_ok = false;  
        return;
    }    
    int valuesLength = values->getLength();

    if (isPresent(VALUE, m_parameters.outputtedFields))
    {

        arrayValuesToStrings(outputFieldValues[VALUE], values->view(),
            m_parameters.format, m_parameters.precision);
    }


    //  Seconds.
    PVLongArrayPtr secPastEpochs = getLongArrayField(responseValues, "secondsPastEpoch");
    if (!secPastEpochs)
    {
        cerr << "Data invalid: No secondsPastEpoch field in table values." << endl;
        m_ok = false;  
        return;
    }

    int secPastEpochsLength = secPastEpochs->getLength();
    if (secPastEpochsLength != valuesLength)
    {
        cerr << "Data invalid: secondsPastEpoch and value lengths don't match." << endl;
        m_ok = false;  
        return; 
    }

    PVLongArray::const_svector secPastEpochsData = secPastEpochs->view();

    if (isPresent(SECONDS_PAST_EPOCH, m_parameters.outputtedFields)
     || isPresent(REAL_TIME, m_parameters.outputtedFields))
    {
        arrayValuesToStrings(outputFieldValues[SECONDS_PAST_EPOCH], secPastEpochsData);
    }


    //  Nanoseconds.
    PVIntArrayPtr nsecs = getIntArrayField(responseValues, "nanoseconds");
    if (!nsecs)
    {
        cerr << "Data invalid: No nanoseconds field in table values." << endl;
        m_ok = false;  
        return;
    }

    int nsecsLength =  nsecs->getLength();
    if (nsecsLength != valuesLength)
    {
        cerr << "Data invalid: nanoseconds past epoch and value lengths don't match." << endl;
        m_ok = false;  
        return;  
    }

    PVIntArray::const_svector nsecsData = nsecs->view();

    if (isPresent(NANO_SECONDS, m_parameters.outputtedFields)
     || isPresent(REAL_TIME, m_parameters.outputtedFields))
    {
        arrayValuesToStrings(outputFieldValues[NANO_SECONDS], nsecsData);
    }


    //  Real time in seconds.
    if (isPresent(REAL_TIME, m_parameters.outputtedFields))
    {
        int realTimeLength = min(secPastEpochsLength, nsecsLength);
        vector<string> & realTimeStrings = outputFieldValues[REAL_TIME];
        realTimeStrings.reserve(realTimeLength);

        {
            ostringstream oss;
            for (int i = 0; i < realTimeLength; ++i)
            {
                oss << secPastEpochsData[i]  << ".";
                oss << setfill('0') << setw(9) << nsecsData[i];
                realTimeStrings.push_back(oss.str());
                oss.str("");
           }
        }
    }


    //  Dates.
    if (isPresent(DATE, m_parameters.outputtedFields))
    {
        vector<string> & dateStrings = outputFieldValues[DATE];
        int dateLength = min(secPastEpochsLength, nsecsLength);
        dateStrings.reserve(dateLength);

        for (int i = 0; i < dateLength; ++i)
        {     
            string dateString = getDate(secPastEpochsData[i], nsecsData[i]);
            dateStrings.push_back(dateString);
        }
    }


    //  Alarm status.
    PVIntArrayPtr statuses = getIntArrayField(responseValues, "status");
    if (!statuses)
    {
        cerr << "Data invalid: No status field in table values." << endl;
        m_ok = false;  
        return;
    }

    int statusesLength = statuses->getLength();
    if (statusesLength != valuesLength)
    {
        cerr << "Data invalid: status and value lengths don't match." << endl;
        m_ok = false;  
        return; 
    }
    if (isPresent(STATUS, m_parameters.outputtedFields))
    {
        PVIntArray::const_svector statusData = statuses->view();
        arrayValuesToStrings(outputFieldValues[STATUS], statusData, FormatParameters::HEX);
    }


    //  Alarm severity.
    PVIntArrayPtr severities = getIntArrayField(responseValues, "severity");
    if (!severities)
    {
        cerr << "Data invalid: No severity field in table values." << endl;
        m_ok = false;  
        return;
    }

    int severitiesLength = severities->getLength();
    if (severitiesLength != valuesLength)
    {
        cerr << "Data invalid: severity and value lengths don't match." << endl;
        m_ok = false;  
        return; 
    }
    if (isPresent(SEVERITY, m_parameters.outputtedFields))
    {        
        PVIntArray::const_svector severityData = severities->view();
        arrayValuesToStrings(outputFieldValues[SEVERITY], severityData, FormatParameters::HEX);
    }


    //  Alarm string.
    int alarmStringsLength = min(secPastEpochsLength, nsecsLength);
    
    if (isPresent(ALARM, m_parameters.outputtedFields))
    {
        vector<string> & alarmStrings = outputFieldValues[ALARM];        
        alarmStrings.reserve(alarmStringsLength); 

        PVIntArray::const_svector statusData = statuses->view();
        PVIntArray::const_svector severityData = severities->view();

        for (int i = 0; i < valuesLength; ++i)
        {     
            string alarmString = makeAlarmString(statusData[i], severityData[i]);
            alarmStrings.push_back(alarmString);
        }
    }
}
Exemple #14
0
void ExampleServiceRPC::request(
    ChannelRPCRequester::shared_pointer const & channelRPCRequester,
    epics::pvData::PVStructure::shared_pointer const & pvArgument)
{
    String buffer;
    PVStringPtr pvfunction = pvArgument->getStringField("function");
    PVStringArrayPtr pvnames = static_pointer_cast<PVStringArray>
        (pvArgument->getScalarArrayField("names",pvString));
    PVStringArrayPtr pvvalues = static_pointer_cast<PVStringArray>
        (pvArgument->getScalarArrayField("values",pvString));
    buffer += "pvArgument ";
    bool is = true;
    if(pvfunction==0) is = false;
    if(pvnames==0) is = false;
    if(pvvalues==0) is = false;
    if(is) {
        buffer += "is a NTNameValue\n";
    } else {
        buffer += "is not a NTNameValue\n ";
    }
    pvArgument->toString(&buffer);
    printf("%s\n",buffer.c_str());
    StandardFieldPtr standardField = getStandardField();
    StandardPVFieldPtr standardPVField = getStandardPVField();
    FieldCreatePtr  fieldCreate = getFieldCreate();
    PVDataCreatePtr  pvDataCreate = getPVDataCreate();
    size_t n = 5;
    FieldConstPtrArray fields;
    StringArray names;
    fields.reserve(n);
    names.reserve(n);
    names.push_back("alarm");
    names.push_back("timeStamp");
    names.push_back("label");
    names.push_back("position");
    names.push_back("alarms");
StructureConstPtr xxx = standardField->alarm();
printf("xxx %p\n",xxx.get());
    fields.push_back(standardField->alarm());
    fields.push_back(standardField->timeStamp());
    fields.push_back(fieldCreate->createScalarArray(pvString));
    fields.push_back(fieldCreate->createScalarArray(pvDouble));
    fields.push_back(fieldCreate->createStructureArray(standardField->alarm()));
    StructureConstPtr structure = fieldCreate->createStructure(names,fields);
printf("structure %p\n",structure.get());
buffer.clear();
structure->toString(&buffer);
printf("structure\n%s\n",buffer.c_str());
    PVStructurePtr pvStructure = pvDataCreate->createPVStructure(structure);
    PVTimeStamp pvTimeStamp;
    TimeStamp timeStamp;
    pvTimeStamp.attach(pvStructure->getStructureField("timeStamp"));
    timeStamp.getCurrent();
    pvTimeStamp.set(timeStamp);
    StringArray label;
    label.reserve(2);
    for(int i=0; i<2; i++) {
        label.push_back(names[i+3]);
    }
    PVStringArrayPtr pvLabel = static_pointer_cast<PVStringArray>
        (pvStructure->getScalarArrayField("label",pvString));
    pvLabel->put(0,2,label,0);
    PVDoubleArrayPtr pvPositions = static_pointer_cast<PVDoubleArray>
        (pvStructure->getScalarArrayField("position",pvDouble));
    double positions[2];
    positions[0] = 1.0;
    positions[1] = 2.0;
    pvPositions->put(0,2,positions,0);
    PVStructureArrayPtr pvAlarms = static_pointer_cast<PVStructureArray>
        (pvStructure->getStructureArrayField("alarms"));
    PVAlarm pvAlarm;
    Alarm alarm;
    PVStructurePtrArray palarms;
    size_t na=2;
    palarms.reserve(na);
    for(size_t i=0; i<na; i++) {
        palarms.push_back(pvDataCreate->createPVStructure(standardField->alarm()));
    }
    for(size_t i=0; i<na; i++) {
        pvAlarm.attach(palarms[i]);
        alarm.setMessage("test");
        alarm.setSeverity(majorAlarm);
        alarm.setStatus(clientStatus);
        pvAlarm.set(alarm);
    }
    pvAlarms->put(0,2,palarms,0);
    String labels[2];
    labels[0] = pvPositions->getFieldName();
    labels[1] = pvAlarms->getFieldName();
    pvLabel->put(0,2,labels,0);
    buffer.erase();
    pvStructure->toString(&buffer);
    printf("%s\n",buffer.c_str());
    channelRPCRequester->requestDone(Status::Ok,pvStructure);
}
static void testDoubleArray()
{
    testDiag("== testDoubleArray ==");
    StructureConstPtr structure =
       fieldCreate->createFieldBuilder() ->
            add("alarm",standardField->alarm()) ->
            add("timeStamp",standardField->timeStamp()) ->
            addArray("value",pvDouble) ->
            createStructure();

    PvaClientPutDataPtr pvaData = PvaClientPutData::create(structure);
    PVDoubleArrayPtr pvalue = pvaData->getPVStructure() ->
        getSubField<PVDoubleArray>("value");

    size_t len = 5;
    shared_vector<double> value(len);
    for (size_t i=0; i<len; ++i)
        value[i] = i * 10.0;
    pvalue->replace(freeze(value));

    BitSetPtr change = pvaData->getChangedBitSet();
    size_t valueOffset = pvalue->getFieldOffset();
    testOk(change->cardinality()==1,"1 field changed");
    testOk(change->get(valueOffset),"value changed");

    testOk(pvaData->hasValue(),"hasValue");
    testOk(!pvaData->isValueScalar(),"!isValueScalar");
    testOk(pvaData->isValueScalarArray(),"isValueScalarArray");

    try {
        testOk(!!pvaData->getValue(), "getValue");
    } catch (std::runtime_error e) {
        testFail("getValue exception '%s'", e.what());
    }

    try {
        testOk(!pvaData->getScalarValue(), "!getScalarValue");
    } catch (std::runtime_error e) {
        testPass("getScalarValue exception '%s'", e.what());
    }
    try {
        testOk(!!pvaData->getArrayValue(), "getArrayValue");
    } catch (std::runtime_error e) {
        testFail("getArrayValue exception '%s'", e.what());
    }
    try {
        testOk(!!pvaData->getScalarArrayValue(), "getScalarArrayValue");
    } catch (std::runtime_error e) {
        testPass("getScalarArrayValue exception '%s'", e.what());
    }

    try {
        testFail("getDouble %g", pvaData->getDouble());
    } catch (std::runtime_error e) {
        testPass("getDouble exception '%s'", e.what());
    }
    try {
        testFail("getString %s", pvaData->getString().c_str());
    } catch (std::runtime_error e) {
        testPass("getString exception '%s'", e.what());
    }

    try {
        shared_vector<const double> value = pvaData->getDoubleArray();
        testPass("getDoubleArray");
    } catch (std::runtime_error e) {
        testFail("getDoubleArray exception '%s'", e.what());
    }
    try {
        shared_vector<const string> value = pvaData->getStringArray();
    } catch (std::runtime_error e) {
        testPass("getStringArray exception '%s'", e.what());
    }

    try {
        pvaData->putDouble(5.0);
        testFail("putDouble");
    } catch (std::runtime_error e) {
        testPass("putDouble exception '%s'", e.what());
    }
    try {
        pvaData->putString("1e5");
        testFail("putString");
    } catch (std::runtime_error e) {
        testPass("putString exception '%s'", e.what());
    }

    try {
        size_t len = 2;
        shared_vector<double> val(len);
        for (size_t i=0; i<len; ++i)
            val[i] = (i+1) * 2.0;
        pvaData->putDoubleArray(freeze(val));
        testPass("putDoubleArray");
    } catch (std::runtime_error e) {
        testFail("putDoubleArray exception '%s'", e.what());
    }
    try {
        size_t len = 2;
        shared_vector<string> val(len);
        val[0] = "one"; val[1] = "two";
        pvaData->putStringArray(freeze(val));
        testFail("putStringArray");
    } catch (std::runtime_error e) {
        testPass("putStringArray exception '%s'", e.what());
    }
}