Example #1
0
Ice::ObjectPrx
WellKnownObjectsManager::getWellKnownObjectReplicatedProxy(const Ice::Identity& id, const string& endpt)
{
    try
    {
        Ice::ObjectPrx proxy = _database->getObjectProxy(id);
        Ice::EndpointSeq registryEndpoints = getEndpoints(endpt)->ice_getEndpoints();

        //
        // Re-order the endpoints to return first the endpoint for this
        // registry replica.
        //
        Ice::EndpointSeq endpoints = proxy->ice_getEndpoints();
        Ice::EndpointSeq newEndpoints = registryEndpoints;
        for(Ice::EndpointSeq::const_iterator p = endpoints.begin(); p != endpoints.end(); ++p)
        {
            if(find(registryEndpoints.begin(), registryEndpoints.end(), *p) == registryEndpoints.end())
            {
                newEndpoints.push_back(*p);
            }
        }
        return proxy->ice_endpoints(newEndpoints);
    }
    catch(const ObjectNotRegisteredException&)
    {
        //
        // If for some reasons the object isn't registered, we compute
        // the endpoints with the replica cache. For slaves, this will
        // however only return the slave endpoints.
        //
        return _database->getReplicaCache().getEndpoints(endpt, getEndpoints(endpt))->ice_identity(id);
    }
}
Example #2
0
void
AdapterRequest::finished(const Ice::ObjectPrx& proxy)
{
    if(proxy || _proxies.empty())
    {
        RequestT<std::string, Ice::AMD_Locator_findAdapterByIdPtr>::finished(proxy);
        return;
    }
    else if(_proxies.size() == 1)
    {
        RequestT<std::string, Ice::AMD_Locator_findAdapterByIdPtr>::finished(_proxies[0]);
        return;
    }

    Ice::EndpointSeq endpoints;
    Ice::ObjectPrx prx;
    for(vector<Ice::ObjectPrx>::const_iterator p = _proxies.begin(); p != _proxies.end(); ++p)
    {
        if(!prx)
        {
            prx = *p;
        }
        Ice::EndpointSeq endpts = (*p)->ice_getEndpoints();
        copy(endpts.begin(), endpts.end(), back_inserter(endpoints));
    }
    RequestT<std::string, Ice::AMD_Locator_findAdapterByIdPtr>::finished(prx->ice_endpoints(endpoints));
}
Example #3
0
Ice::ObjectPrx 
LocatorRegistryI::findAdapter(const string& adapterId, bool& isReplicaGroup) const
{
    Lock sync(*this);

    map<string, Ice::ObjectPrx>::const_iterator p = _adapters.find(adapterId);
    if(p != _adapters.end())
    {
        isReplicaGroup = false;
        return p->second;
    }

    map<string, set<string> >::const_iterator q = _replicaGroups.find(adapterId);
    if(q != _replicaGroups.end())
    {
        Ice::EndpointSeq endpoints;
        Ice::ObjectPrx prx;
        for(set<string>::const_iterator r = q->second.begin(); r != q->second.end(); ++r)
        {
            map<string, Ice::ObjectPrx>::const_iterator s = _adapters.find(*r);
            if(s == _adapters.end())
            {
                continue; // TODO: Inconsistency
            }

            if(!prx)
            {
                prx = s->second;
            }

            Ice::EndpointSeq endpts = s->second->ice_getEndpoints();
            copy(endpts.begin(), endpts.end(), back_inserter(endpoints));
        }

        if(prx)
        {
            isReplicaGroup = true;
            return prx->ice_endpoints(endpoints);
        }
    }
    
    isReplicaGroup = false;
    return 0;
}
Example #4
0
int
run(int argc, char* argv[], const CommunicatorPtr& communicator)
{
    IceUtilInternal::Options opts;
    opts.addOpt("", "cycle");

    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;
    }

    IceStorm::TopicManagerPrx manager = IceStorm::TopicManagerPrx::checkedCast(
        communicator->stringToProxy(managerProxy));
    if(!manager)
    {
        cerr << argv[0] << ": `" << managerProxy << "' is not running" << endl;
        return EXIT_FAILURE;
    }

    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;
        }
    }
    assert(topic);

    //
    // Get a publisher object, create a twoway proxy and then cast to
    // a Single object.
    //
    if(opts.isSet("cycle"))
    {
        Ice::ObjectPrx prx = topic->getPublisher()->ice_twoway();
        vector<SinglePrx> single;
        Ice::EndpointSeq endpoints = prx->ice_getEndpoints();
	for(Ice::EndpointSeq::const_iterator p = endpoints.begin(); p != endpoints.end(); ++p)
	{
            if((*p)->toString().substr(0, 3) != "udp")
            {
                Ice::EndpointSeq e;
                e.push_back(*p);
                single.push_back(SinglePrx::uncheckedCast(prx->ice_endpoints(e)));
            }
	}
        if(single.size() <= 1)
        {
            cerr << argv[0] << ": Not enough endpoints in publisher proxy" << endl;
            return EXIT_FAILURE;
        }
        int which = 0;
        for(int i = 0; i < 1000; ++i)
        {
            single[which]->event(i);
            which = (which + 1) % static_cast<int>(single.size());
        }
    }
    else
    {
        SinglePrx single = SinglePrx::uncheckedCast(topic->getPublisher()->ice_twoway());
        for(int i = 0; i < 1000; ++i)
        {
            single->event(i);
        }
    }

    return EXIT_SUCCESS;
}