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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#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 string& name) :
_name(name),
_count(0),
_last(0)
{
}
void
event(int i, const Current& current) override
{
if((_name == "default" || _name == "oneway" || _name == "batch" || _name == "datagram" ||
_name == "batch datagram") && current.requestId != 0)
{
cerr << endl << "expected oneway request";
test(false);
}
else if((_name == "twoway" || _name == "twoway ordered") && current.requestId == 0)
{
cerr << endl << "expected twoway request";
}
if(_name == "twoway ordered" && i != _last)
{
cerr << endl << "received unordered event for `" << _name << "': " << i << " " << _last;
test(false);
}
if((_name == "datagram" || _name == "batch datagram") && current.con->type() != "udp")
{
cerr << endl << "expected datagram to be received over udp";
test(false);
}
lock_guard<mutex> lg(_mutex);
if(_name == "per-request load balancing")
{
_connections.insert(current.con);
}
++_last;
if(++_count == 1000)
{
_condVar.notify_one();
}
}
void
waitForEvents()
{
unique_lock<mutex> lock(_mutex);
cout << "testing " << _name << " ... " << flush;
bool datagram = _name == "datagram" || _name == "batch datagram";
while(_count < 1000)
{
if(_condVar.wait_for(lock, 30s) == cv_status::timeout)
{
if(datagram && _count > 0)
{
if(_count < 100)
{
cout << "[" << _count << "/1000: This may be an error!!]";
}
else
{
cout << "[" << _count << "/1000] ";
}
break;
}
else
{
test(false);
}
}
}
if(_name == "per-request load balancing")
{
test(_connections.size() == 2);
}
cout << "ok" << endl;
}
private:
const string _name;
int _count;
int _last;
set<shared_ptr<Ice::Connection>> _connections;
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);
auto properties = communicator->getProperties();
string 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());
}
// Use 2 default endpoints to test per-request load balancing
auto adapter = communicator->createObjectAdapterWithEndpoints("SingleAdapter", "default: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&)
{
}
}
auto topic = manager->retrieve("single");
//
// Test subscriber identity that is too long
//
if(string(argv[1]) != "transient")
{
try
{
auto 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<shared_ptr<SingleI>> subscribers;
vector<Ice::Identity> subscriberIdentities;
{
subscribers.push_back(make_shared<SingleI>("default"));
auto object = adapter->addWithUUID(subscribers.back())->ice_oneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(make_shared<SingleI>("oneway"));
auto object = adapter->addWithUUID(subscribers.back())->ice_oneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(make_shared<SingleI>("twoway"));
auto object = adapter->addWithUUID(subscribers.back());
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(make_shared<SingleI>("batch"));
auto object = adapter->addWithUUID(subscribers.back())->ice_batchOneway();
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
{
subscribers.push_back(make_shared<SingleI>("twoway ordered")); // Ordered
IceStorm::QoS qos;
qos["reliability"] = "ordered";
auto object = adapter->addWithUUID(subscribers.back());
subscriberIdentities.push_back(object->ice_getIdentity());
topic->subscribeAndGetPublisher(qos, object);
}
{
subscribers.push_back(make_shared<SingleI>("per-request load balancing"));
IceStorm::QoS qos;
qos["locatorCacheTimeout"] = "10";
qos["connectionCached"] = "0";
auto 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).
communicator->getProperties()->setProperty("UdpAdapter3.ThreadPool.Size", "1");
auto adpt = communicator->createObjectAdapterWithEndpoints("UdpAdapter3", "udp");
subscribers.push_back(make_shared<SingleI>("datagram"));
auto object = adpt->addWithUUID(subscribers.back())->ice_datagram();
subscriberIdentities.push_back(object->ice_getIdentity());
adpt->activate();
topic->subscribeAndGetPublisher(IceStorm::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).
communicator->getProperties()->setProperty("UdpAdapter4.ThreadPool.Size", "1");
auto adpt = communicator->createObjectAdapterWithEndpoints("UdpAdapter4", "udp");
subscribers.push_back(make_shared<SingleI>("batch datagram"));
auto object = adpt->addWithUUID(subscribers.back())->ice_batchDatagram();
subscriberIdentities.push_back(object->ice_getIdentity());
adpt->activate();
topic->subscribeAndGetPublisher(IceStorm::QoS(), object);
}
adapter->activate();
vector<Ice::Identity> ids = topic->getSubscribers();
test(ids.size() == subscriberIdentities.size());
for(const auto& p: ids)
{
test(find(subscriberIdentities.begin(), subscriberIdentities.end(), p) != subscriberIdentities.end());
}
for(const auto& p: subscribers)
{
p->waitForEvents();
}
}
DEFINE_TEST(Subscriber)
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