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;
}
}
}
virtual void event(PvaClientMonitorPtr const & monitor)
{
testDiag("monitor event");
PvaClientMonitorDataPtr pvaData = monitor->getData();
while (monitor->poll()) {
if (!testOk(*pvaData->getChangedBitSet() == expected,
"expected fields changed")) {
cout << "# changed = " << *pvaData->getChangedBitSet() << endl;
cout << "# expected = " << expected << endl;
}
testOk(pvaData->getOverrunBitSet()->isEmpty(), "No overrun");
monitor->releaseEvent();
}
}
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();
}
}
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;
}
}
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;
}
}
