Ejemplo n.º 1
0
epics::pvData::PVStructurePtr HelloService::request(
    epics::pvData::PVStructurePtr const & pvArgument
    ) throw (pvAccess::RPCRequestException)
{   
    // Extract the arguments. Just one in this case.
    // Report an error by throwing a RPCRequestException 
    epics::pvData::PVStringPtr nameField = pvArgument->getStringField("personsname");
    if (!nameField)
    {
        throw pvAccess::RPCRequestException(Status::STATUSTYPE_ERROR,
            "PVString field with name 'personsname' expected.");
    }

    // Create the result structure of the data interface.
    PVStructurePtr result(
        getPVDataCreate()->createPVStructure(makeResponseStructure()));

    // Extract from the constructed data interface the value of
    // "greeting" field. The value we'll return, is "Hello" concatenated
    // to the value of the input parameter called "personsname".
    PVStringPtr greetingValueField = result->getStringField("greeting");
	greetingValueField->put("Hello " + nameField->get());

    return result;
}
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");
}
Ejemplo n.º 3
0
PVStructurePtr ExampleHelloRPC::request(PVStructurePtr const &pvArgument)
    throw (RPCRequestException)
{
    PVStringPtr pvFrom = pvArgument->getSubField<PVString>("value");
    if(!pvFrom) {
        stringstream ss;
        ss << " expected string subfield named value. got\n" << pvArgument;
        throw RPCRequestException(
         Status::STATUSTYPE_ERROR,ss.str());
    }
    PVStringPtr pvTo = pvResult->getSubField<PVString>("value");
    pvTo->put("Hello " + pvFrom->get());
    return pvResult;
}
Ejemplo n.º 4
0
static void testRequest()
{        
    StringArray nullNames;
    FieldConstPtrArray nullFields;
    StringArray optionNames(1);
    FieldConstPtrArray optionFields(1);
    optionNames[0] = "process";
    optionFields[0] = fieldCreate->createScalar(pvString);
    StringArray recordNames(1);
    FieldConstPtrArray recordFields(1);
    recordNames[0] = "_options";
    recordFields[0] = fieldCreate->createStructure(optionNames,optionFields);
    StringArray fieldNames(2);
    FieldConstPtrArray fieldFields(2);
    fieldNames[0] = "alarm";
    fieldFields[0] = fieldCreate->createStructure(nullNames,nullFields);
    fieldNames[1] = "timeStamp";
    fieldFields[1] = fieldCreate->createStructure(nullNames,nullFields);
    StringArray topNames(2);
    FieldConstPtrArray topFields(2);
    topNames[0] = "record";
    topFields[0] = fieldCreate->createStructure(recordNames,recordFields);
    topNames[1] = "field";
    topFields[1] = fieldCreate->createStructure(fieldNames,fieldFields);
    StructureConstPtr topStructure = fieldCreate->createStructure(
        topNames,topFields);
cout << *topStructure << endl;
    PVStructurePtr pvTop = pvDataCreate->createPVStructure(topStructure);
cout << *pvTop << endl;
cout << *pvTop->getStructure() << endl;
PVStructurePtr xxx = pvTop->getSubField<PVStructure>("record");
cout << *xxx << endl;
xxx = pvTop->getSubField<PVStructure>("field");
cout << *xxx << endl;
PVStringPtr pvString = pvTop->getSubField<PVString>("record._options.process");
pvString->put("true");
cout << *pvTop << endl;

string subName("record._options.process");
PVFieldPtr pvField = pvTop->getSubField<PVString>(subName);
string fieldName = pvField->getFieldName();
string fullName = pvField->getFullName();
cout << "fieldName " << fieldName << " fullName " << fullName << endl;

    testOk1(fieldName.compare("process")==0);
    testOk1(fullName.compare(subName)==0);

}
Ejemplo n.º 5
0
int main(int argc,char *argv[])
{
    PvaClientPtr pva = PvaClient::create();
    try {
        PvaClientChannelPtr channel = pva->channel("helloPutGet");
        PvaClientPutGetPtr putGet = channel->createPutGet();
        putGet->connect();
        PvaClientPutDataPtr putData = putGet->getPutData();
        PVStructurePtr arg = putData->getPVStructure();
        PVStringPtr pvValue = arg->getSubField<PVString>("argument.value");
        pvValue->put("World");
        putGet->putGet();
        PvaClientGetDataPtr getData = putGet->getGetData();
        cout << getData->getPVStructure() << endl;
    } catch (std::runtime_error e) {
        cout << "exception " << e.what() << endl;
        return 1;
    }
    return 0;
}
Ejemplo n.º 6
0
void test()
{
    RPCClientPtr channelRPC = 
        RPCClientPtr(RPCClient::create(channelName));
    bool result = channelRPC->connect(1.0);
    if(!result) {
        cout<< "connect failed\n";
        return;
    }
    NTNameValueBuilderPtr builder = NTNameValue::createBuilder();
    NTNameValuePtr ntnamevalue = builder ->
         value(pvString) ->
         add("function",fieldCreate->createScalar(pvString)) ->
         create();
    PVStructurePtr pv = ntnamevalue->getPVStructure();
    PVStringPtr pvFunction = pv->getSubField<PVString>("function");
    PVStringArrayPtr pvNames = pv->getSubField<PVStringArray>("name");
    PVStringArrayPtr pvValues = pv->getSubField<PVStringArray>("value");
    size_t n = 2;
    shared_vector<string> name(n);
    shared_vector<string> value(n);
    name[0] = string("configname");
    name[1] = string("servicename");
    value[0] = string("test");
    value[1] = string("masar");
    pvNames->replace(freeze(name));
    pvValues->replace(freeze(value));
    pvFunction->put("retrieveSnapshot");
    try {
cout << *ntnamevalue->getPVStructure() << endl;
        PVStructurePtr pvResponse = channelRPC->request(ntnamevalue->getPVStructure());
        cout << *pvResponse << endl;
    } catch (std::exception &e)
    {
        cout << e.what() << endl;
        return;
    }
    channelRPC->destroy();
}
Ejemplo n.º 7
0
static void testPVScalarWithProperties(
    string /*fieldName*/,ScalarType stype)
{
    PVStructurePtr pvStructure;
    bool hasValueAlarm = false;
    bool hasBooleanAlarm = false;
    bool hasDisplayControl = false;
    switch(stype) {
        case pvBoolean: {
             pvStructure = standardPVField->scalar(
                 stype,alarmTimeStampValueAlarm);
             hasBooleanAlarm = true;
             PVBooleanPtr pvField = pvStructure->getSubField<PVBoolean>("value");
             pvField->put(true);
             break;
        }
        case pvByte: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVBytePtr pvField = pvStructure->getSubField<PVByte>("value");
             pvField->put(127);
             break;
        }
        case pvShort: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVShortPtr pvField = pvStructure->getSubField<PVShort>("value");
             pvField->put(32767);
             break;
        }
        case pvInt: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVIntPtr pvField = pvStructure->getSubField<PVInt>("value");
             pvField->put((int32)0x80000000);
             break;
        }
        case pvLong: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVLongPtr pvField = pvStructure->getSubField<PVLong>("value");
             int64 value = 0x80000000;
             value <<= 32;
             value |= 0xffffffff;
             pvField->put(value);
             break;
        }
        case pvUByte: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVUBytePtr pvField = pvStructure->getSubField<PVUByte>("value");
             pvField->put(255);
             break;
        }
        case pvUShort: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVUShortPtr pvField = pvStructure->getSubField<PVUShort>("value");
             pvField->put(65535);
             break;
        }
        case pvUInt: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVUIntPtr pvField = pvStructure->getSubField<PVUInt>("value");
             pvField->put((uint32)0x80000000);
             break;
        }
        case pvULong: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVULongPtr pvField = pvStructure->getSubField<PVULong>("value");
             int64 value = 0x80000000;
             value <<= 32;
             value |= 0xffffffff;
             pvField->put(value);
             break;
        }
        case pvFloat: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVFloatPtr pvField = pvStructure->getSubField<PVFloat>("value");
             pvField->put(1.123e8);
             break;
        }
        case pvDouble: {
             pvStructure = standardPVField->scalar(
                 stype,allProperties);
             hasValueAlarm = true;
             hasDisplayControl = true;
             PVDoublePtr pvField = pvStructure->getSubField<PVDouble>("value");
             pvField->put(1.123e35);
             break;
        }
        case pvString: {
             pvStructure = standardPVField->scalar(
                 stype,alarmTimeStamp);
             PVStringPtr pvField = pvStructure->getSubField<PVString>("value");
             pvField->put(string("this is a string"));
             break;
        }
    }
    PVLongPtr seconds = pvStructure->getSubField<PVLong>(
        string("timeStamp.secondsPastEpoch"));
    testOk1(seconds.get()!=0);
    seconds->put(123456789);
    PVIntPtr nano = pvStructure->getSubField<PVInt>(string("timeStamp.nanoseconds"));
    testOk1(nano.get()!=0);
    nano->put(1000000);
    PVIntPtr severity = pvStructure->getSubField<PVInt>(string("alarm.severity"));
    testOk1(severity.get()!=0);
    severity->put(2);
    PVStringPtr message = pvStructure->getSubField<PVString>(string("alarm.message"));
    testOk1(message.get()!=0);
    message->put(string("messageForAlarm"));
    if(hasDisplayControl) {
        PVStringPtr desc = pvStructure->getSubField<PVString>(
            string("display.description"));
        testOk1(desc.get()!=0);
        desc->put(string("this is a description"));
        PVStringPtr format = pvStructure->getSubField<PVString>(
            string("display.format"));
        testOk1(format.get()!=0);
        format->put(string("f10.2"));
        PVStringPtr units = pvStructure->getSubField<PVString>(
            string("display.units"));
        testOk1(units.get()!=0);
        units->put(string("SomeUnits"));
        PVDoublePtr limit = pvStructure->getSubField<PVDouble>(
            string("display.limitLow"));
        testOk1(limit.get()!=0);
        limit->put(0.0);
        limit = pvStructure->getSubField<PVDouble>(
            string("display.limitHigh"));
        testOk1(limit.get()!=0);
        limit->put(10.0);
        limit = pvStructure->getSubField<PVDouble>(
            string("control.limitLow"));
        testOk1(limit.get()!=0);
        limit->put(1.0);
        limit = pvStructure->getSubField<PVDouble>(
            string("control.limitHigh"));
        testOk1(limit.get()!=0);
        limit->put(9.0);
    }
    if(hasValueAlarm) {
        PVBooleanPtr pvBoolean = pvStructure->getSubField<PVBoolean>("valueAlarm.active");
        pvBoolean->put(true);
        PVScalarPtr pvtemp = pvStructure->getSubField<PVScalar>("valueAlarm.lowAlarmLimit");
        testOk1(pvtemp.get()!=0);
        convert->fromDouble(pvtemp,1.0);
        pvtemp = pvStructure->getSubField<PVScalar>("valueAlarm.highAlarmLimit");
        testOk1(pvtemp.get()!=0);
        convert->fromDouble(pvtemp,9.0);
        severity = pvStructure->getSubField<PVInt>(
            string("valueAlarm.lowAlarmSeverity"));
        testOk1(severity.get()!=0);
        severity->put(2);
        severity = pvStructure->getSubField<PVInt>(
            string("valueAlarm.highAlarmSeverity"));
        testOk1(severity.get()!=0);
        severity->put(2);
        PVBooleanPtr active = pvStructure->getSubField<PVBoolean>(
            string("valueAlarm.active"));
        testOk1(active.get()!=0);
        active->put(true);
    }
    if(hasBooleanAlarm) {
        PVBooleanPtr pvBoolean = pvStructure->getSubField<PVBoolean>("valueAlarm.active");
        pvBoolean->put(true);
        severity = pvStructure->getSubField<PVInt>(
            string("valueAlarm.falseSeverity"));
        testOk1(severity.get()!=0);
        severity->put(0);
        severity = pvStructure->getSubField<PVInt>(
            string("valueAlarm.trueSeverity"));
        testOk1(severity.get()!=0);
        severity->put(2);
        severity = pvStructure->getSubField<PVInt>(
            string("valueAlarm.changeStateSeverity"));
        testOk1(severity.get()!=0);
        severity->put(1);
    }
}