ChannelGet::shared_pointer CAChannelGet::create( CAChannel::shared_pointer const & channel, ChannelGetRequester::shared_pointer const & channelGetRequester, epics::pvData::PVStructure::shared_pointer const & pvRequest) { // TODO use std::make_shared std::tr1::shared_ptr<CAChannelGet> tp( new CAChannelGet(channel, channelGetRequester, pvRequest) ); ChannelGet::shared_pointer thisPtr = tp; static_cast<CAChannelGet*>(thisPtr.get())->activate(); return thisPtr; }
void MyChannelGetRequester::channelGetConnect(const Status& status, ChannelGet::shared_pointer const & channelGet, Structure::const_shared_pointer const & structure) { // Could inspect or memorize the channel's structure... if (status.isSuccess()) { cout << "ChannelGet for " << channelGet->getChannel()->getChannelName() << " connected, " << status << endl; structure->dump(cout); channelGet->get(); } else { cout << "ChannelGet for " << channelGet->getChannel()->getChannelName() << " problem, " << status << endl; done_event.signal(); } }
virtual void channelGetConnect(const epics::pvData::Status& status, ChannelGet::shared_pointer const & channelGet, epics::pvData::Structure::const_shared_pointer const & /*structure*/) { if (status.isSuccess()) { // show warning if (!status.isOK()) { std::cerr << "[" << m_channelName << "] channel get create: " << status << std::endl; } channelGet->lastRequest(); channelGet->get(); } else { std::cerr << "[" << m_channelName << "] failed to create channel get: " << status << std::endl; m_event.signal(); } }
int main() { for (int i = 0; i < 10; i++) { { /* ClientContextImpl::shared_pointer context = createClientContextImpl(); context->printInfo(); context->initialize(); context->printInfo(); epicsThreadSleep ( SLEEP_TIME ); ChannelProvider::shared_pointer provider = context->getProvider(); */ ClientFactory::start(); ChannelProvider::shared_pointer provider = getChannelProviderRegistry()->getProvider("pva"); ChannelFindRequester::shared_pointer findRequester(new ChannelFindRequesterImpl()); ChannelFind::shared_pointer channelFind = provider->channelFind("testSomething", findRequester); epicsThreadSleep ( SLEEP_TIME ); //channelFind->destroy(); ChannelRequester::shared_pointer channelRequester(new ChannelRequesterImpl()); Channel::shared_pointer channel = provider->createChannel("testStructureArrayTest", channelRequester); epicsThreadSleep ( SLEEP_TIME ); channel->printInfo(); { GetFieldRequester::shared_pointer getFieldRequesterImpl(new GetFieldRequesterImpl()); channel->getField(getFieldRequesterImpl, ""); epicsThreadSleep ( SLEEP_TIME ); } { ChannelProcessRequester::shared_pointer channelProcessRequester(new ChannelProcessRequesterImpl()); PVStructure::shared_pointer pvRequest; ChannelProcess::shared_pointer channelProcess = channel->createChannelProcess(channelProcessRequester, pvRequest); epicsThreadSleep ( SLEEP_TIME ); channelProcess->process(); epicsThreadSleep ( SLEEP_TIME ); channelProcess->destroy(); epicsThreadSleep ( SLEEP_TIME ); } { ChannelGetRequester::shared_pointer channelGetRequesterImpl(new ChannelGetRequesterImpl()); PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()"); ChannelGet::shared_pointer channelGet = channel->createChannelGet(channelGetRequesterImpl, pvRequest); epicsThreadSleep ( 3.0 ); channelGet->get(); epicsThreadSleep ( 3.0 ); channelGet->destroy(); } { ChannelPutRequester::shared_pointer channelPutRequesterImpl(new ChannelPutRequesterImpl()); PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field(value,timeStamp)"); ChannelPut::shared_pointer channelPut = channel->createChannelPut(channelPutRequesterImpl, pvRequest); epicsThreadSleep ( SLEEP_TIME ); channelPut->get(); epicsThreadSleep ( SLEEP_TIME ); // TODO !!! //channelPut->put(); //epicsThreadSleep ( SLEEP_TIME ); channelPut->destroy(); } { ChannelPutGetRequester::shared_pointer channelPutGetRequesterImpl(new ChannelPutGetRequesterImpl()); PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("putField(value,timeStamp)getField(timeStamp)"); ChannelPutGet::shared_pointer channelPutGet = channel->createChannelPutGet(channelPutGetRequesterImpl, pvRequest); epicsThreadSleep ( SLEEP_TIME ); channelPutGet->getGet(); epicsThreadSleep ( SLEEP_TIME ); channelPutGet->getPut(); epicsThreadSleep ( SLEEP_TIME ); // TODO !!! //channelPutGet->putGet(); //epicsThreadSleep ( SLEEP_TIME ); channelPutGet->destroy(); } { ChannelRPCRequester::shared_pointer channelRPCRequesterImpl(new ChannelRPCRequesterImpl()); PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("record[]field(arguments)"); ChannelRPC::shared_pointer channelRPC = channel->createChannelRPC(channelRPCRequesterImpl, pvRequest); epicsThreadSleep ( SLEEP_TIME ); // for test simply use pvRequest as arguments channelRPC->request(pvRequest); epicsThreadSleep ( SLEEP_TIME ); channelRPC->destroy(); } { ChannelArrayRequester::shared_pointer channelArrayRequesterImpl(new ChannelArrayRequesterImpl()); StringArray fieldNames; fieldNames.push_back("field"); FieldConstPtrArray fields; fields.push_back(getFieldCreate()->createScalar(pvString)); PVStructure::shared_pointer pvRequest(getPVDataCreate()->createPVStructure(getFieldCreate()->createStructure(fieldNames, fields))); ChannelArray::shared_pointer channelArray = channel->createChannelArray(channelArrayRequesterImpl, pvRequest); epicsThreadSleep ( SLEEP_TIME ); channelArray->getArray(0,0,1); epicsThreadSleep ( SLEEP_TIME ); // TODO !!! //channelArray->putArray(0,0,1); //epicsThreadSleep ( SLEEP_TIME ); channelArray->setLength(3); epicsThreadSleep ( SLEEP_TIME ); channelArray->getLength(); epicsThreadSleep ( SLEEP_TIME ); channelArray->destroy(); } { MonitorRequester::shared_pointer monitorRequesterImpl(new MonitorRequesterImpl()); PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()"); Monitor::shared_pointer monitor = channel->createMonitor(monitorRequesterImpl, pvRequest); epicsThreadSleep( SLEEP_TIME ); Status status = monitor->start(); std::cout << "monitor->start() = " << status << std::endl; epicsThreadSleep( 3*SLEEP_TIME ); status = monitor->stop(); std::cout << "monitor->stop() = " << status << std::endl; monitor->destroy(); } epicsThreadSleep ( 3*SLEEP_TIME ); printf("Destroying channel... \n"); channel->destroy(); printf("done.\n"); epicsThreadSleep ( 3*SLEEP_TIME ); } ClientFactory::stop(); /* printf("Destroying context... \n"); context->destroy(); printf("done.\n"); */ epicsThreadSleep ( SLEEP_TIME ); } //std::cout << "-----------------------------------------------------------------------" << std::endl; //epicsExitCallAtExits(); return(0); }