static void test()
{
NTMultiChannelBuilderPtr builder = NTMultiChannel::createBuilder();
testOk(builder.get() != 0, "Got builder");
NTMultiChannelPtr 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(NTMultiChannel::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;}
UnionConstPtr unionPtr =
fieldCreate->createFieldBuilder()->
add("doubleValue", pvDouble)->
add("intValue", pvInt)->
createUnion();
multiChannel = builder->
value(unionPtr) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
pvChannelName = multiChannel->getChannelName();
pvChannelName->replace(channelNames);
PVUnionArrayPtr pvValue = multiChannel->getValue();
shared_vector<PVUnionPtr> unions(nchan);
unions[0] = pvDataCreate->createPVUnion(unionPtr);
unions[1] = pvDataCreate->createPVUnion(unionPtr);
unions[2] = pvDataCreate->createPVUnion(unionPtr);
unions[0]->select("doubleValue");
unions[1]->select("intValue");
unions[2]->select("intValue");
PVDoublePtr pvDouble = unions[0]->get<PVDouble>();
pvDouble->put(1.235);
PVIntPtr pvInt = unions[1]->get<PVInt>();
pvInt->put(5);
pvInt = unions[2]->get<PVInt>();
pvInt->put(7);
pvValue->replace(freeze(unions));
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(unionPtr) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addStatus() ->
addMessage() ->
addSecondsPastEpoch() ->
addNanoseconds() ->
addUserTag() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
testOk1(NTMultiChannel::isCompatible(pvStructure)==true);
PVStructurePtr pvTimeStamp = multiChannel->getTimeStamp();
testOk1(pvTimeStamp.get() !=0);
PVStructurePtr pvAlarm = multiChannel->getAlarm();
testOk1(pvAlarm.get() !=0);
pvValue = multiChannel->getValue();
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);
}
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);
}
void LongArrayMonitor::run()
{
PvaClientPtr pva(PvaClient::get("pva"));
string request("record[queueSize=");
char buff[20];
sprintf(buff,"%d",queueSize);
request += buff;
request += "]field(value,timeStamp,alarm)";
PvaClientMonitorPtr monitor = pva->channel(channelName,providerName,2.0)->monitor(request);
TimeStamp timeStamp;
TimeStamp timeStampLast;
timeStampLast.getCurrent();
long nElements = 0;
long nSinceLastReport = 0;
int64 first = 0;
int64 last = 0;
while(true) {
if(runStop.tryWait()) {
runReturn.signal();
return;
}
if(!monitor->waitEvent(0.0)) {
cout << "waitEvent returned false. Why???" << endl;
continue;
}
PvaClientMonitorDataPtr pvaData = monitor->getData();
PVStructurePtr pvStructure = pvaData->getPVStructure();
PVLongArrayPtr pvValue = pvStructure->getSubField<PVLongArray>("value");
size_t len = pvValue->getLength();
if(len>0) {
shared_vector<const int64> data = pvValue->view();
first = data[0];
last = data[len-1];
if(first!=last) cout << "error first=" << first << " last=" << last << endl;
} else {
cout << "len is 0" << endl;
}
nElements += len;
timeStamp.getCurrent();
double diff = TimeStamp::diff(timeStamp,timeStampLast);
if(diff>=1.0) {
ostringstream out;
out << " monitors/sec " << nSinceLastReport << " ";
if(len>0) out << "first " << first << " last " << last ;
out << " changed " << *pvaData->getChangedBitSet();
out << " overrun " << *pvaData->getOverrunBitSet();
double elementsPerSec = nElements;
elementsPerSec /= diff;
if(elementsPerSec>10.0e9) {
elementsPerSec /= 1e9;
out << " gigaElements/sec " << elementsPerSec;
} else if(elementsPerSec>10.0e6) {
elementsPerSec /= 1e6;
out << " megaElements/sec " << elementsPerSec;
} else if(elementsPerSec>10.0e3) {
elementsPerSec /= 1e3;
out << " kiloElements/sec " << elementsPerSec;
} else {
out << " Elements/sec " << elementsPerSec;
}
cout << out.str() << endl;
timeStampLast = timeStamp;
nSinceLastReport = 0;
nElements = 0;
}
++nSinceLastReport;
monitor->releaseEvent();
}
}
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);
}
}
}