void
TransientTopicImpl::link(const TopicPrx& topic, Ice::Int cost, const Ice::Current&)
{
TopicInternalPrx internal = TopicInternalPrx::uncheckedCast(topic);
TopicLinkPrx link = internal->getLinkProxy();
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << ": link " << _instance->communicator()->identityToString(topic->ice_getIdentity())
<< " cost " << cost;
}
Lock sync(*this);
Ice::Identity id = topic->ice_getIdentity();
SubscriberRecord record;
record.id = id;
record.obj = link;
record.theTopic = topic;
record.topicName = _name;
record.link = true;
record.cost = cost;
vector<SubscriberPtr>::iterator p = find(_subscribers.begin(), _subscribers.end(), record.id);
if(p != _subscribers.end())
{
throw LinkExists(IceStormInternal::identityToTopicName(id));
}
SubscriberPtr subscriber = Subscriber::create(_instance, record);
_subscribers.push_back(subscriber);
}
void
Parser::subscribers(const list<string>& args)
{
if(args.empty())
{
error("subscribers' requires at least one argument (type `help' for more info) ");
return;
}
try
{
for(list<string>::const_iterator i = args.begin(); i != args.end() ; ++i)
{
TopicPrx topic = _defaultManager->retrieve(*i);
cout << (*i) << ": subscribers:" << endl;
IdentitySeq subscribers = topic->getSubscribers();
for(IdentitySeq::const_iterator j = subscribers.begin(); j != subscribers.end(); ++j)
{
cout << "\t" << _communicator->identityToString(*j) << endl;
}
}
}
catch(const Exception& ex)
{
exception(ex);
}
}
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();
}
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;
}
IceStorm::TopicManagerPrx manager = IceStorm::TopicManagerPrx::checkedCast(
communicator->stringToProxy(managerProxy));
if(!manager)
{
cerr << argv[0] << ": `" << managerProxy << "' is not running" << endl;
return EXIT_FAILURE;
}
TopicPrx topic;
try
{
topic = manager->retrieve("single");
}
catch(const 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.
//
SinglePrx single = SinglePrx::uncheckedCast(topic->getPublisher()->ice_twoway());
for(int i = 0; i < 1000; ++i)
{
single->event(i);
}
return EXIT_SUCCESS;
}
void
Parser::unlink(const list<string>& args)
{
if(args.size() != 2)
{
error("`unlink' requires exactly two arguments (type `help' for more info)");
return;
}
try
{
list<string>::const_iterator p = args.begin();
TopicPrx fromTopic = findTopic(*p++);
TopicPrx toTopic = findTopic(*p++);
fromTopic->unlink(toTopic);
}
catch(const Exception& ex)
{
exception(ex);
}
}
void
Parser::link(const list<string>& args)
{
if(args.size() != 2 && args.size() != 3)
{
error("`link' requires two or three arguments (type `help' for more info)");
return;
}
try
{
list<string>::const_iterator p = args.begin();
TopicPrx fromTopic = findTopic(*p++);
TopicPrx toTopic = findTopic(*p++);
Ice::Int cost = p != args.end() ? atoi(p->c_str()) : 0;
fromTopic->link(toTopic, cost);
}
catch(const Exception& ex)
{
exception(ex);
}
}
void
TransientTopicImpl::unlink(const TopicPrx& topic, const Ice::Current&)
{
Lock sync(*this);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
Ice::Identity id = topic->ice_getIdentity();
vector<SubscriberPtr>::iterator p = find(_subscribers.begin(), _subscribers.end(), id);
if(p == _subscribers.end())
{
string name = IceStormInternal::identityToTopicName(id);
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << ": unlink " << name << " failed - not linked";
}
throw NoSuchLink(name);
}
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << " unlink " << _instance->communicator()->identityToString(id);
}
// Remove the subscriber from the subscribers list. Note
// that its possible that the subscriber isn't in the list, but is
// in the database if the subscriber was locally reaped.
p = find(_subscribers.begin(), _subscribers.end(), id);
if(p != _subscribers.end())
{
(*p)->destroy();
_subscribers.erase(p);
}
}
void
TopicImpl::unlink(const TopicPrx& topic)
{
IceUtil::Mutex::Lock sync(_subscribersMutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
Ice::Identity id = topic->ice_getIdentity();
vector<SubscriberPtr>::const_iterator p = find(_subscribers.begin(), _subscribers.end(), id);
if(p == _subscribers.end())
{
string name = identityToTopicName(id);
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << ": unlink " << name << " failed - not linked";
}
NoSuchLink ex;
ex.name = name;
throw ex;
}
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << " unlink " << _instance->communicator()->identityToString(id);
}
Ice::IdentitySeq ids;
ids.push_back(id);
removeSubscribers(ids);
}
void
TopicImpl::link(const TopicPrx& topic, Ice::Int cost)
{
TopicInternalPrx internal = TopicInternalPrx::uncheckedCast(topic);
TopicLinkPrx link = internal->getLinkProxy();
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << ": link " << _instance->communicator()->identityToString(topic->ice_getIdentity())
<< " cost " << cost;
}
IceUtil::Mutex::Lock sync(_subscribersMutex);
Ice::Identity id = topic->ice_getIdentity();
SubscriberRecord record;
record.id = id;
record.obj = link;
record.theTopic = topic;
record.topicName = _name;
record.link = true;
record.cost = cost;
vector<SubscriberPtr>::iterator p = find(_subscribers.begin(), _subscribers.end(), record.id);
if(p != _subscribers.end())
{
string name = identityToTopicName(id);
LinkExists ex;
ex.name = name;
throw ex;
}
LogUpdate llu;
SubscriberPtr subscriber = Subscriber::create(_instance, record);
for(;;)
{
try
{
DatabaseConnectionPtr connection = _connectionPool->newConnection();
TransactionHolder txn(connection);
SubscriberRecordKey key;
key.topic = _id;
key.id = id;
SubscribersWrapperPtr subscribersWrapper = _connectionPool->getSubscribers(connection);
subscribersWrapper->put(key, record);
LLUWrapperPtr lluWrapper = _connectionPool->getLLU(connection);
llu = lluWrapper->get();
llu.iteration++;
lluWrapper->put(llu);
txn.commit();
break;
}
catch(const DeadlockException&)
{
continue;
}
catch(const DatabaseException& ex)
{
halt(_instance->communicator(), ex);
}
}
_subscribers.push_back(subscriber);
_instance->observers()->addSubscriber(llu, _name, record);
}
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;
}
void
TopicImpl::link(const TopicPrx& topic, Ice::Int cost)
{
TopicInternalPrx internal = TopicInternalPrx::uncheckedCast(topic);
TopicLinkPrx link = internal->getLinkProxy();
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->topic > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->topicCat);
out << _name << ": link " << _instance->communicator()->identityToString(topic->ice_getIdentity())
<< " cost " << cost;
}
IceUtil::Mutex::Lock sync(_subscribersMutex);
Ice::Identity id = topic->ice_getIdentity();
SubscriberRecord record;
record.id = id;
record.obj = link;
record.theTopic = topic;
record.topicName = _name;
record.link = true;
record.cost = cost;
vector<SubscriberPtr>::iterator p = find(_subscribers.begin(), _subscribers.end(), record.id);
if(p != _subscribers.end())
{
string name = IceStormInternal::identityToTopicName(id);
LinkExists ex;
ex.name = name;
throw ex;
}
LogUpdate llu;
SubscriberPtr subscriber = Subscriber::create(_instance, record);
try
{
IceDB::ReadWriteTxn txn(_instance->dbEnv());
SubscriberRecordKey key;
key.topic = _id;
key.id = id;
_subscriberMap.put(txn, key, record);
llu = getIncrementedLLU(txn, _lluMap);
txn.commit();
}
catch(const IceDB::LMDBException& ex)
{
logError(_instance->communicator(), ex);
throw; // will become UnknownException in caller
}
_subscribers.push_back(subscriber);
_instance->observers()->addSubscriber(llu, _name, record);
}
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;
}
int
run(int argc, char* argv[], const CommunicatorPtr& communicator)
{
IceUtilInternal::Options opts;
opts.addOpt("", "id", IceUtilInternal::Options::NeedArg);
opts.addOpt("", "unsub");
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;
try
{
topic = manager->retrieve("single");
}
catch(const IceStorm::NoSuchTopic& e)
{
cerr << argv[0] << ": NoSuchTopic: " << e.name << endl;
return EXIT_FAILURE;
}
Ice::ObjectPrx prx = adapter->add(new SingleI(), communicator->stringToIdentity(opts.optArg("id")));
if(opts.isSet("unsub"))
{
topic->unsubscribe(prx);
}
else
{
IceStorm::QoS qos;
qos["persistent"] = "true";
topic->subscribeAndGetPublisher(qos, prx);
}
return EXIT_SUCCESS;
}
int
run(int argc, char* argv[], const CommunicatorPtr& communicator)
{
IceUtilInternal::Options opts;
opts.addOpt("", "events", IceUtilInternal::Options::NeedArg);
opts.addOpt("", "qos", IceUtilInternal::Options::NeedArg, "", IceUtilInternal::Options::Repeat);
opts.addOpt("", "slow");
opts.addOpt("", "erratic", IceUtilInternal::Options::NeedArg);
try
{
opts.parse(argc, (const char**)argv);
}
catch(const IceUtilInternal::BadOptException& e)
{
cerr << argv[0] << ": " << e.reason << endl;
return EXIT_FAILURE;
}
int events = 1000;
string s = opts.optArg("events");
if(!s.empty())
{
events = atoi(s.c_str());
}
if(events <= 0)
{
cerr << argv[0] << ": events must be > 0." << endl;
return EXIT_FAILURE;
}
IceStorm::QoS cmdLineQos;
vector<string> sqos = opts.argVec("qos");
for(vector<string>::const_iterator q = sqos.begin(); q != sqos.end(); ++q)
{
string::size_type off = q->find(",");
if(off == string::npos)
{
cerr << argv[0] << ": parse error: no , in QoS" << endl;
return EXIT_FAILURE;
}
cmdLineQos[q->substr(0, off)] = q->substr(off+1);
}
bool slow = opts.isSet("slow");
bool erratic = false;
int erraticNum = 0;
s = opts.optArg("erratic");
if(!s.empty())
{
erratic = true;
erraticNum = atoi(s.c_str());
}
if(events <= 0)
{
cerr << argv[0] << ": events must be > 0." << 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;
}
vector<Subscription> subs;
if(erratic)
{
for(int i = 0 ; i < erraticNum; ++i)
{
ostringstream os;
os << "SubscriberAdapter" << i;
Subscription item;
item.adapter = communicator->createObjectAdapterWithEndpoints(os.str(), "default");
item.servant = new ErraticEventI(communicator, events);
item.qos["reliability"] = "twoway";
subs.push_back(item);
}
}
else if(slow)
{
Subscription item;
item.adapter = communicator->createObjectAdapterWithEndpoints("SubscriberAdapter", "default");
item.servant = new SlowEventI(communicator, events);
item.qos = cmdLineQos;
subs.push_back(item);
}
else
{
Subscription item;
item.adapter = communicator->createObjectAdapterWithEndpoints("SubscriberAdapter", "default");
item.qos = cmdLineQos;
map<string, string>::const_iterator p = item.qos.find("reliability");
if(p != item.qos.end() && p->second == "ordered")
{
item.servant = new OrderEventI(communicator, events);
}
else
{
item.servant = new CountEventI(communicator, events);
}
subs.push_back(item);
}
TopicPrx topic;
try
{
topic = manager->retrieve("fed1");
}
catch(const IceStorm::NoSuchTopic& e)
{
cerr << argv[0] << ": NoSuchTopic: " << e.name << endl;
return EXIT_FAILURE;
}
{
for(vector<Subscription>::iterator p = subs.begin(); p != subs.end(); ++p)
{
p->obj = p->adapter->addWithUUID(p->servant);
IceStorm::QoS qos;
string reliability = "";
IceStorm::QoS::const_iterator q = p->qos.find("reliability");
if(q != p->qos.end())
{
reliability = q->second;
}
if(reliability == "twoway")
{
// Do nothing.
}
else if(reliability == "ordered")
{
qos["reliability"] = "ordered";
}
else if(reliability == "batch")
{
p->obj = p->obj->ice_batchOneway();
}
else //if(reliability == "oneway")
{
p->obj = p->obj->ice_oneway();
}
topic->subscribeAndGetPublisher(qos, p->obj);
}
}
{
for(vector<Subscription>::iterator p = subs.begin(); p != subs.end(); ++p)
{
p->adapter->activate();
}
}
communicator->waitForShutdown();
{
for(vector<Subscription>::const_iterator p = subs.begin(); p != subs.end(); ++p)
{
topic->unsubscribe(p->obj);
if(p->servant->count() != events)
{
cerr << "expected " << events << " events but got " << p->servant->count() << " events." << endl;
return EXIT_FAILURE;
}
}
}
return EXIT_SUCCESS;
}
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:udp");
//
// Test topic name that is too long
//
if(string(argv[1]) != "transient")
{
try
{
manager->create(string(512, 'A'));
test(false);
}
catch(const Ice::UnknownException&)
{
}
}
TopicPrx topic;
try
{
topic = manager->retrieve("single");
}
catch(const IceStorm::NoSuchTopic& e)
{
cerr << argv[0] << ": NoSuchTopic: " << e.name << endl;
return EXIT_FAILURE;
}
//
// Test subscriber identity that is too long
//
if(string(argv[1]) != "transient")
{
try
{
Ice::ObjectPrx object = communicator->stringToProxy(string(512, 'A') + ":default -p 10000");
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
test(false);
}
catch(const Ice::UnknownException&)
{
}
}
//
// Create subscribers with different QoS.
//
vector<SingleIPtr> subscribers;
vector<Ice::Identity> subscriberIdentities;
{
subscribers.push_back(new SingleI(communicator, "default"));
Ice::ObjectPrx object = adapter->addWithUUID(subscribers.back())->ice_oneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(new SingleI(communicator, "oneway"));
Ice::ObjectPrx object = adapter->addWithUUID(subscribers.back())->ice_oneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(new SingleI(communicator, "twoway"));
Ice::ObjectPrx object = adapter->addWithUUID(subscribers.back());
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(new SingleI(communicator, "batch"));
Ice::ObjectPrx object = adapter->addWithUUID(subscribers.back())->ice_batchOneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(new SingleI(communicator, "twoway ordered")); // Ordered
IceStorm::QoS qos;
qos["reliability"] = "ordered";
Ice::ObjectPrx object = adapter->addWithUUID(subscribers.back());
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(qos, object);
}
{
// Use a separate adapter to ensure a separate connection is used for the subscriber
// (otherwise, if multiple UDP subscribers use the same connection we might get high
// packet loss, see bug 1784).
ObjectAdapterPtr adpt = communicator->createObjectAdapterWithEndpoints("UdpAdapter3", "udp");
subscribers.push_back(new SingleI(communicator, "datagram"));
Ice::ObjectPrx object = adpt->addWithUUID(subscribers.back())->ice_datagram();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
adpt->activate();
}
{
// Use a separate adapter to ensure a separate connection is used for the subscriber
// (otherwise, if multiple UDP subscribers use the same connection we might get high
// packet loss, see bug 1784).
ObjectAdapterPtr adpt = communicator->createObjectAdapterWithEndpoints("UdpAdapter4", "udp");
subscribers.push_back(new SingleI(communicator, "batch datagram"));
Ice::ObjectPrx object = adpt->addWithUUID(subscribers.back())->ice_batchDatagram();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
adpt->activate();
}
adapter->activate();
vector<Ice::Identity> ids = topic->getSubscribers();
test(ids.size() == subscriberIdentities.size());
for(vector<Ice::Identity>::const_iterator i = ids.begin(); i != ids.end(); ++i)
{
test(find(subscriberIdentities.begin(), subscriberIdentities.end(), *i) != subscriberIdentities.end());
}
for(vector<SingleIPtr>::const_iterator p = subscribers.begin(); p != subscribers.end(); ++p)
{
(*p)->waitForEvents();
}
return EXIT_SUCCESS;
}
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;
}
