121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
#include <pv/clientFactory.h>
|
|
#include <pv/pvAccess.h>
|
|
#include <iostream>
|
|
#include <epicsThread.h>
|
|
|
|
namespace pva = epics::pvAccess;
|
|
|
|
class ChannelGetRequesterImpl : public pva::ChannelGetRequester
|
|
{
|
|
public:
|
|
virtual ~ChannelGetRequesterImpl() {
|
|
std::cout << "~ChannelGetRequesterImpl" << std::endl;
|
|
}
|
|
|
|
virtual std::string getRequesterName() {
|
|
return "ChannelGetRequesterImpl";
|
|
}
|
|
|
|
virtual void message(std::string const & message, epics::pvData::MessageType messageType) {
|
|
std::cout << message << std::endl;
|
|
}
|
|
|
|
virtual void channelGetConnect(
|
|
const epics::pvData::Status& status,
|
|
pva::ChannelGet::shared_pointer const & channelGet,
|
|
epics::pvData::Structure::const_shared_pointer const & structure)
|
|
{
|
|
if (status.isSuccess())
|
|
{
|
|
std::cout << "issuing channel get" << std::endl;
|
|
channelGet->get();
|
|
}
|
|
else
|
|
std::cout << "failed to create channel get: " << status << std::endl;
|
|
}
|
|
|
|
virtual void getDone(
|
|
const epics::pvData::Status& status,
|
|
pva::ChannelGet::shared_pointer const & channelGet,
|
|
epics::pvData::PVStructure::shared_pointer const & pvStructure,
|
|
epics::pvData::BitSet::shared_pointer const & bitSet)
|
|
{
|
|
if (status.isSuccess())
|
|
{
|
|
std::cout << *pvStructure << std::endl;
|
|
}
|
|
else
|
|
std::cout << "failed to get: " << status << std::endl;
|
|
|
|
}
|
|
};
|
|
|
|
class ChannelRequesterImpl : public pva::ChannelRequester
|
|
{
|
|
public:
|
|
virtual ~ChannelRequesterImpl() {
|
|
std::cout << "~ChannelRequesterImpl" << std::endl;
|
|
}
|
|
|
|
virtual std::string getRequesterName() {
|
|
return "ChannelRequesterImpl";
|
|
}
|
|
|
|
virtual void message(std::string const & message, epics::pvData::MessageType messageType) {
|
|
std::cout << message << std::endl;
|
|
}
|
|
|
|
virtual void channelCreated(const epics::pvData::Status& status,
|
|
pva::Channel::shared_pointer const & channel)
|
|
{
|
|
if (status.isSuccess())
|
|
{
|
|
|
|
}
|
|
else
|
|
std::cout << "failed to create channel: " << status << std::endl;
|
|
}
|
|
|
|
/**
|
|
* A channel connection state change has occurred.
|
|
* @param c The channel.
|
|
* @param connectionState The new connection state.
|
|
*/
|
|
virtual void channelStateChange(pva::Channel::shared_pointer const & channel, pva::Channel::ConnectionState connectionState)
|
|
{
|
|
std::cerr << "[" << channel->getChannelName() << "] channel state change: "
|
|
<< pva::Channel::ConnectionStateNames[connectionState] << std::endl;
|
|
}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
pva::ClientFactory::start();
|
|
|
|
pva::ChannelProvider::shared_pointer provider =
|
|
pva::getChannelProviderRegistry()->getProvider("pva");
|
|
|
|
|
|
{
|
|
pva::ChannelRequester::shared_pointer channelRequester(new ChannelRequesterImpl());
|
|
pva::Channel::shared_pointer channel = provider->createChannel("testChannel", channelRequester);
|
|
|
|
{
|
|
pva::ChannelGetRequester::shared_pointer channelGetRequester(new ChannelGetRequesterImpl());
|
|
pva::ChannelGet::shared_pointer channelGet =
|
|
channel->createChannelGet(channelGetRequester,
|
|
epics::pvData::CreateRequest::create()->createRequest(""));
|
|
|
|
epicsThreadSleep(3.0);
|
|
std::cout << "leaving channelGet scope, channelGet should be destroyed" << std::endl;
|
|
}
|
|
|
|
epicsThreadSleep(3.0);
|
|
std::cout << "leaving channel scope, channel should be destroyed" << std::endl;
|
|
}
|
|
|
|
epicsThreadSleep(3.0);
|
|
std::cout << "exiting" << std::endl;
|
|
return 0;
|
|
}
|