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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Ice/Ice.h>
#include <IceStorm/IceStorm.h>
#include <Single.h>
#include <Controller.h>
#include <TestHelper.h>
using namespace std;
using namespace Ice;
using namespace IceStorm;
using namespace Test;
class ControllerI final : public Controller
{
public:
void stop(const Ice::Current& c) override
{
c.adapter->getCommunicator()->shutdown();
}
};
class SingleI final : public Single
{
public:
void
event(int, const Current&) override
{
++_nevents;
}
int
nevents() const
{
return _nevents;
}
private:
atomic_int _nevents = 0;
};
class Subscriber final : public Test::TestHelper
{
public:
void run(int, char**) override;
};
void
Subscriber::run(int argc, char** argv)
{
Ice::CommunicatorHolder communicator = initialize(argc, argv);
auto properties = communicator->getProperties();
string managerProxy = properties->getProperty("IceStormAdmin.TopicManager.Default");
if(managerProxy.empty())
{
ostringstream os;
os << argv[0] << ": property `IceStormAdmin.TopicManager.Default' is not set";
throw invalid_argument(os.str());
}
auto base = communicator->stringToProxy(managerProxy);
auto manager = checkedCast<IceStorm::TopicManagerPrx>(base);
if(!manager)
{
ostringstream os;
os << argv[0] << ": `" << managerProxy << "' is not running";
throw invalid_argument(os.str());
}
auto adapter = communicator->createObjectAdapterWithEndpoints("SingleAdapter", "default");
auto topic = manager->retrieve("single");
auto sub = make_shared<SingleI>();
auto prx = adapter->addWithUUID(sub);
auto control = adapter->addWithUUID(make_shared<ControllerI>());
IceStorm::QoS qos;
while(true)
{
try
{
topic->subscribeAndGetPublisher(qos, prx);
break;
}
// If we're already subscribed then we're done (previously we
// got an UnknownException which succeeded).
catch(const IceStorm::AlreadySubscribed&)
{
break;
}
// This can happen if the replica group loses the majority
// during subscription. In this case we retry.
catch(const Ice::UnknownException&)
{
}
}
adapter->activate();
cout << communicator->proxyToString(control) << endl;
communicator->waitForShutdown();
cout << sub->nevents() << endl;
}
DEFINE_TEST(Subscriber)
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