Esempio n. 1
0
void
Client::run(int argc, char** argv)
{
    Ice::CommunicatorHolder communicator = initialize(argc, argv);
    ObjectPrx base = communicator->stringToProxy("Test.IceStorm/TopicManager");
    IceStorm::TopicManagerPrx manager = IceStorm::TopicManagerPrx::checkedCast(base);
    if(!manager)
    {
        ostringstream os;
        os << argv[0] << ": `Test.IceStorm/TopicManager' is not running";
        throw invalid_argument(os.str());
    }

    ObjectAdapterPtr adapter = communicator->createObjectAdapterWithEndpoints("SingleAdapter", "default:udp");

    TopicPrx topic = manager->create("single");

    //
    // Create subscribers with different QoS.
    //
    SingleIPtr sub = new SingleI;
    topic->subscribeAndGetPublisher(IceStorm::QoS(), adapter->addWithUUID(sub));

    adapter->activate();

    // Ensure that getPublisher & getNonReplicatedPublisher work
    // correctly.
    Ice::ObjectPrx p1 = topic->getPublisher();
    Ice::ObjectPrx p2 = topic->getNonReplicatedPublisher();
    test(p1->ice_getAdapterId() == "PublishReplicaGroup");
    test(p2->ice_getAdapterId() == "Test.IceStorm1.Publish" ||
         p2->ice_getAdapterId() == "Test.IceStorm2.Publish" ||
         p2->ice_getAdapterId() == "Test.IceStorm3.Publish");

    //
    // Get a publisher object, create a twoway proxy and then cast to
    // a Single object.
    //
    SinglePrx single = SinglePrx::uncheckedCast(topic->getPublisher()->ice_twoway());
    for(int i = 0; i < 1000; ++i)
    {
        single->event(i);
    }

    sub->waitForEvents();
}
Esempio n. 2
0
int
run(int argc, char* argv[], const CommunicatorPtr& communicator)
{
    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)
    {
        cerr << argv[0] << ": " << e.reason << endl;
        return EXIT_FAILURE;
    }

    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;
    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)
        {
            cerr << argv[0] << ": NoSuchTopic: " << e.name << endl;
            return EXIT_FAILURE;
        }
    }

    int events = 1000;
    if(opts.isSet("events"))
    {
        events = atoi(opts.optArg("events").c_str());
    }
    //
    // Create subscribers with different QoS.
    //
    SingleIPtr sub;
    IceStorm::QoS qos;
    if(opts.isSet("ordered"))
    {
        sub = new SingleI(communicator, "twoway ordered", events);
        qos["reliability"] = "ordered";
    }
    else
    {
        sub = new SingleI(communicator, "twoway", events);
    }

    Ice::ObjectPrx 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);

    return EXIT_SUCCESS;
}