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// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceUtil/IceUtil.h>
#include <Ice/Ice.h>
#include <IceStorm/IceStorm.h>
#include <Single.h>
#include <Controller.h>
#include <TestCommon.h>
using namespace std;
using namespace Ice;
using namespace IceStorm;
using namespace Test;
class ControllerI : public Controller
{
public:
virtual void stop(const Ice::Current& c)
{
c.adapter->getCommunicator()->shutdown();
}
};
class SingleI : public Single, public IceUtil::Monitor<IceUtil::Mutex>
{
public:
SingleI() :
_nevents(0)
{
}
virtual void
event(int, const Current&)
{
Lock sync(*this);
++_nevents;
}
int
nevents() const
{
Lock sync(*this);
return _nevents;
}
private:
int _nevents;
};
typedef IceUtil::Handle<SingleI> SingleIPtr;
int
run(int, char* argv[], const CommunicatorPtr& communicator)
{
PropertiesPtr properties = communicator->getProperties();
const char* managerProxyProperty = "IceStormAdmin.TopicManager.Default";
string managerProxy = properties->getProperty(managerProxyProperty);
if(managerProxy.empty())
{
cerr << argv[0] << ": property `" << managerProxyProperty << "' is not set" << endl;
return EXIT_FAILURE;
}
ObjectPrx base = communicator->stringToProxy(managerProxy);
IceStorm::TopicManagerPrx manager = IceStorm::TopicManagerPrx::checkedCast(base);
if(!manager)
{
cerr << argv[0] << ": `" << managerProxy << "' is not running" << endl;
return EXIT_FAILURE;
}
ObjectAdapterPtr adapter = communicator->createObjectAdapterWithEndpoints("SingleAdapter", "default");
TopicPrx topic;
try
{
topic = manager->retrieve("single");
}
catch(const IceStorm::NoSuchTopic& e)
{
cerr << argv[0] << ": NoSuchTopic: " << e.name << endl;
return EXIT_FAILURE;
}
SingleIPtr sub = new SingleI();
Ice::ObjectPrx prx = adapter->addWithUUID(sub);
Ice::ObjectPrx control = adapter->addWithUUID(new 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;
return EXIT_SUCCESS;
}
int
main(int argc, char* argv[])
{
int status;
CommunicatorPtr communicator;
try
{
communicator = initialize(argc, argv);
status = run(argc, argv, communicator);
}
catch(const Exception& ex)
{
cerr << ex << endl;
status = EXIT_FAILURE;
}
if(communicator)
{
try
{
communicator->destroy();
}
catch(const Exception& ex)
{
cerr << ex << endl;
status = EXIT_FAILURE;
}
}
return status;
}
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