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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <IceUtil/Options.h>
#include <Ice/Ice.h>
#include <IceStorm/IceStorm.h>
#include <Single.h>
#include <TestHelper.h>
using namespace std;
using namespace Ice;
using namespace IceStorm;
using namespace Test;
class SingleI final : public Single
{
public:
SingleI(const shared_ptr<Communicator>& communicator, const string& name, int max) :
_communicator(communicator),
_name(name),
_max(max),
_count(0),
_last(0)
{
}
void
event(int i, const Current&) override
{
if(_name == "twoway ordered" && i != _last)
{
cerr << endl << "received unordered event for `" << _name << "': " << i << " " << _last;
test(false);
}
lock_guard<mutex> lg(_mutex);
++_last;
if(++_count == _max)
{
_condVar.notify_one();
}
}
void
waitForEvents()
{
unique_lock<mutex> lock(_mutex);
while(_count < _max)
{
if(_condVar.wait_for(lock, 40s) == cv_status::timeout)
{
test(false);
}
}
}
private:
shared_ptr<Communicator> _communicator;
const string _name;
const int _max;
int _count;
int _last;
mutex _mutex;
condition_variable _condVar;
};
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);
IceUtilInternal::Options opts;
opts.addOpt("", "ordered");
opts.addOpt("", "twoway");
opts.addOpt("", "events", IceUtilInternal::Options::NeedArg);
try
{
opts.parse(argc, (const char**)argv);
}
catch(const IceUtilInternal::BadOptException& e)
{
ostringstream os;
os << argv[0] << ": error: " << e.reason;
throw invalid_argument(os.str());
}
auto properties = communicator->getProperties();
auto 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");
shared_ptr<TopicPrx> topic;
while(true)
{
try
{
topic = manager->retrieve("single");
break;
}
// This can happen if the replica group loses the majority
// during retrieve. In this case we retry.
catch(const Ice::UnknownException&)
{
continue;
}
catch(const IceStorm::NoSuchTopic& e)
{
ostringstream os;
os << argv[0] << ": NoSuchTopic: " << e.name;
throw invalid_argument(os.str());
}
}
int events = 1000;
if(opts.isSet("events"))
{
events = atoi(opts.optArg("events").c_str());
}
//
// Create subscribers with different QoS.
//
shared_ptr<SingleI> sub;
IceStorm::QoS qos;
if(opts.isSet("ordered"))
{
sub = make_shared<SingleI>(communicator.communicator(), "twoway ordered", events);
qos["reliability"] = "ordered";
}
else
{
sub = make_shared<SingleI>(communicator.communicator(), "twoway", events);
}
auto prx = adapter->addWithUUID(sub);
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();
sub->waitForEvents();
topic->unsubscribe(prx);
}
DEFINE_TEST(Subscriber)
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