static void exampleDoubleArray(PvaClientPtr const &pva,string const & channelName,string const & providerName) { cout << "__exampleDoubleArray__ channelName " << channelName << " providerName " << providerName << endl; PvaClientChannelPtr channel = pva->channel(channelName,providerName,2.0); PvaClientPutPtr put = channel->put(); PvaClientPutDataPtr putData = put->getData(); PvaClientMonitorPtr monitor = pva->channel(channelName,providerName,2.0)->monitor("value"); PvaClientMonitorDataPtr monitorData = monitor->getData(); size_t num = 5; shared_vector<double> data(num,0); for(size_t i=0; i<num; ++i) data[i] = .1*i; putData->putDoubleArray(freeze(data)); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; data = shared_vector<double>(num,0); for(size_t i=0; i<num; ++i) data[i] = .1*(i + 1); putData->putDoubleArray(freeze(data)); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; if(!monitor->waitEvent()) { cout << "waitEvent returned false. Why???"; } else while(true) { cout << "monitor changed\n" << monitorData->showChanged(cout); monitor->releaseEvent(); if(!monitor->poll()) break; } }
static void exampleMonitor(PvaClientPtr const &pva,string provider) { PvaClientMonitorPtr monitor = pva->channel("DBRdouble00",provider,2.0)->monitor(""); PvaClientMonitorDataPtr monitorData = monitor->getData(); PvaClientPutPtr put = pva->channel("DBRdouble00",provider,2.0)->put(""); PvaClientPutDataPtr putData = put->getData(); for(size_t ntimes=0; ntimes<5; ++ntimes) { double value = ntimes; cout << "put " << value << endl; putData->putDouble(value); put->put(); if(!monitor->waitEvent(.1)) { cout << "waitEvent returned false. Why???"; continue; } else while(true) { cout << "monitor " << monitorData->getDouble() << endl; cout << "changed\n"; monitorData->showChanged(cout); cout << "overrun\n"; monitorData->showOverrun(cout); monitor->releaseEvent(); if(!monitor->poll()) break; } } }
int main(int argc,char *argv[]) { string provider("pva"); if(argc==2 && string(argv[1])==string("-help")) { cout << "provider" << endl; cout << "default" << endl; cout << provider << endl; return 0; } if(argc>1) provider = argv[1]; cout << "_____exampleLinkClient starting_______\n"; PvaClientPtr pva = PvaClient::create(); try { PvaClientPutPtr put = pva->channel("doubleArray",provider,5.0)->put(); PvaClientPutDataPtr putData = put->getData(); PvaClientMonitorPtr monitor = pva->channel("exampleLink")->monitor(""); PvaClientMonitorDataPtr pvaData = monitor->getData(); if(!monitor->waitEvent(0.0)) { cout << "waitEvent returned false. Why???\n"; } else { cout << "exampleLink\n" << pvaData->getPVStructure() << endl; monitor->releaseEvent(); } { size_t nElements = 5; shared_vector<double> value(nElements); for(size_t i=0; i< nElements; ++i) value[i] = 0.0; shared_vector<const double> data(freeze(value)); putData->putDoubleArray(data); put->put(); } if(!monitor->waitEvent(0.0)) { cout<< "waitEvent returned false. Why???\n"; } else { cout << "exampleLink\n" << pvaData->getPVStructure() << endl; monitor->releaseEvent(); } { size_t nElements = 5; shared_vector<double> value(nElements); for(size_t i=0; i< nElements; ++i) value[i] = .1*(i+1); shared_vector<const double> data(freeze(value)); putData->putDoubleArray(data); put->put(); } if(!monitor->waitEvent(0.0)) { cout<< "waitEvent returned false. Why???\n"; } else { cout << "exampleLink\n" << pvaData->getPVStructure() << endl; monitor->releaseEvent(); } } catch (std::runtime_error e) { cout << "exception " << e.what() << endl; return 1; } cout << "_____exampleLinkClient done_______\n"; return 0; }
static void examplePVFieldPut(PvaClientPtr const &pva,string const & channelName,string const & providerName) { cout << "__examplePVFieldPut__ channelName " << channelName << " providerName " << providerName << endl; PvaClientChannelPtr channel = pva->channel(channelName,providerName,2.0); PvaClientPutPtr put = channel->put(); PvaClientPutDataPtr putData = put->getData(); PVScalarPtr pvScalar = static_pointer_cast<PVScalar>(putData->getValue()); convert->fromDouble(pvScalar,1.0); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; convert->fromDouble(pvScalar,2.0); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; }
static void examplePVFieldPut(PvaClientPtr const &pva) { cout << "example put\n"; PvaClientChannelPtr channel = pva->channel("exampleDouble"); PvaClientPutPtr put = channel->put(); PvaClientPutDataPtr putData = put->getData(); PVFieldPtr pvField = putData->getValue(); PVScalarPtr pvScalar = static_pointer_cast<PVScalar>(pvField); try { convert->fromDouble(pvScalar,1.0); put->put(); cout << channel->get("field()")->getData()->showChanged(cout) << endl; convert->fromDouble(pvScalar,2.0); put->put(); cout << channel->get("field()")->getData()->showChanged(cout) << endl; } catch (std::runtime_error e) { cout << "exception " << e.what() << endl; } }
static void testPostPut() { testDiag("== testPostPut =="); StructureConstPtr structure = fieldCreate->createFieldBuilder()-> add("alarm",standardField->alarm()) -> add("timeStamp",standardField->timeStamp()) -> addNestedStructure("power") -> add("value",pvDouble) -> add("alarm",standardField->alarm()) -> endNested()-> addNestedStructure("voltage") -> add("value",pvDouble) -> add("alarm",standardField->alarm()) -> endNested()-> addNestedStructure("current") -> add("value",pvDouble) -> add("alarm",standardField->alarm()) -> endNested()-> createStructure(); PvaClientPutDataPtr pvaData = PvaClientPutData::create(structure); PVStructurePtr pvStructure = pvaData->getPVStructure(); BitSetPtr change = pvaData->getChangedBitSet(); PVDoublePtr powerValue = pvStructure->getSubField<PVDouble>("power.value"); PVDoublePtr voltageValue = pvStructure->getSubField<PVDouble>("voltage.value"); PVDoublePtr currentValue = pvStructure->getSubField<PVDouble>("current.value"); size_t powerOffset = powerValue->getFieldOffset(); size_t voltageOffset = voltageValue->getFieldOffset(); size_t currentOffset = currentValue->getFieldOffset(); change->clear(); powerValue->put(1.0); voltageValue->put(2.0); currentValue->put(.5); testOk(change->cardinality()==3,"3 fields changed"); testOk(change->get(powerOffset),"power changed"); testOk(change->get(voltageOffset),"voltage changed"); testOk(change->get(currentOffset),"current changed"); }
static void exampleDouble(PvaClientPtr const &pva,string const & channelName,string const & providerName) { cout << "__exampleDouble__ channelName " << channelName << " providerName " << providerName << endl; PvaClientChannelPtr channel = pva->channel(channelName,providerName,2.0); PvaClientPutPtr put = channel->put(); PvaClientPutDataPtr putData = put->getData(); PvaClientMonitorPtr monitor = pva->channel(channelName,providerName,2.0)->monitor("value"); PvaClientMonitorDataPtr monitorData = monitor->getData(); putData->putDouble(3.0); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; putData->putDouble(4.0); put->put(); cout << channel->get("field(value)")->getData()->showChanged(cout) << endl; if(!monitor->waitEvent()) { cout << "waitEvent returned false. Why???"; } else while(true) { cout << "monitor changed\n" << monitorData->showChanged(cout); monitor->releaseEvent(); if(!monitor->poll()) break; } }
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; }
static void examplePut(PvaClientPtr const &pva) { cout << "example put\n"; PvaClientChannelPtr channel = pva->channel("exampleDouble"); PvaClientPutPtr put = channel->put(); PvaClientPutDataPtr putData = put->getData(); PvaClientMonitorPtr monitor = pva->channel("exampleDouble")->monitor(""); PvaClientMonitorDataPtr monitorData = monitor->getData(); try { putData->putDouble(3.0); put->put(); cout << channel->get("field()")->getData()->showChanged(cout) << endl; putData->putDouble(4.0); put->put(); cout << channel->get("field()")->getData()->showChanged(cout) << endl; if(!monitor->waitEvent()) { cout << "waitEvent returned false. Why???"; } else while(true) { cout << "monitor changed\n" << monitorData->showChanged(cout); monitor->releaseEvent(); if(!monitor->poll()) break; } } catch (std::runtime_error e) { cout << "exception " << e.what() << endl; } }
static void exampleDouble(PvaClientPtr const &pvaClient) { testDiag("== exampleDouble =="); PvaClientChannelPtr pvaChannel; try { pvaChannel = pvaClient->createChannel("PVRdouble"); pvaChannel->connect(2.0); testDiag("channel connected"); } catch (std::runtime_error e) { testAbort("channel connection exception '%s'", e.what()); } PvaClientPutPtr put; PvaClientPutDataPtr putData; try { put = pvaChannel->createPut(); putData = put->getData(); testDiag("put connected"); if (!putData) testAbort("NULL data pointer from putGet"); } catch (std::runtime_error e) { testAbort("put connection exception '%s'", e.what()); } PvaClientGetPtr get; PvaClientGetDataPtr getData; try { get = pvaChannel->createGet(); getData = get->getData(); testDiag("get connected"); if (!getData) testAbort("NULL data pointer from putGet"); } catch (std::runtime_error e) { testAbort("get connection exception '%s'", e.what()); } PvaClientMonitorRequesterPtr requester(new MyMonitor()); PvaClientMonitorPtr monitor; expected.set(0); // structure definition try { monitor = pvaChannel->monitor(requester); testDiag("monitor connected"); } catch (std::runtime_error e) { testAbort("monitor connection exception '%s'", e.what()); } epicsThreadSleep(0.1); // Allow connection monitor event to fire expected.clear(); // FIXME: Magic numbers here... expected.set(1); // value expected.set(6); // timestamp try { for (int i=0; i<5; ++i) { testDiag("= put %d =", i); double out = i; putData->putDouble(out); put->put(); get->get(); double in = getData->getDouble(); testOk(in == out, "get value matches put"); } PvaClientProcessPtr process = pvaChannel->createProcess(); process->connect(); testDiag("= process ="); expected.clear(1); // no value change process->process(); } catch (std::runtime_error e) { testAbort("exception '%s'", e.what()); } }
static void testDouble() { testDiag("== testDouble =="); StructureConstPtr structure = fieldCreate->createFieldBuilder() -> add("alarm",standardField->alarm()) -> add("timeStamp",standardField->timeStamp()) -> add("value",pvDouble) -> createStructure(); PvaClientPutDataPtr pvaData = PvaClientPutData::create(structure); PVDoublePtr pvDouble = pvaData->getPVStructure() -> getSubField<PVDouble>("value"); pvDouble->put(5.0); BitSetPtr change = pvaData->getChangedBitSet(); size_t valueOffset = pvDouble->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) { testFail("getScalarValue exception '%s'", e.what()); } try { testOk(!pvaData->getArrayValue(), "!getArrayValue"); } catch (std::runtime_error e) { testPass("getArrayValue exception '%s'", e.what()); } try { testOk(!pvaData->getScalarArrayValue(), "!getScalarArrayValue"); } catch (std::runtime_error e) { testPass("getScalarArrayValue exception '%s'", e.what()); } try { testOk(pvaData->getDouble() == 5.0, "getDouble value"); } catch (std::runtime_error e) { testFail("getDouble exception '%s'", e.what()); } try { testOk(pvaData->getString() == "5", "getString value"); } catch (std::runtime_error e) { testFail("getString exception '%s'", e.what()); } try { shared_vector<const double> value = pvaData->getDoubleArray(); testFail("getDoubleArray"); } catch (std::runtime_error e) { testPass("getDoubleArray exception '%s'", e.what()); } try { shared_vector<const string> value = pvaData->getStringArray(); testFail("getStringArray"); } catch (std::runtime_error e) { testPass("getStringArray exception '%s'", e.what()); } try { pvaData->putDouble(5.0); testPass("putDouble"); } catch (std::runtime_error e) { testFail("putDouble exception '%s'", e.what()); } try { pvaData->putString("1e5"); testPass("putString"); } catch (std::runtime_error e) { testFail("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) * 10.0; pvaData->putDoubleArray(freeze(val)); testFail("putDoubleArray"); } catch (std::runtime_error e) { testPass("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()); } }