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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//

#ifndef INSTRUMENTATION_I_H
#define INSTRUMENTATION_I_H

#include <Ice/MetricsObserverI.h>

#include <IceStorm/Instrumentation.h>
#include <IceStorm/Metrics.h>

namespace IceStorm
{

class TopicObserverI final : public IceStorm::Instrumentation::TopicObserver,
                             public IceMX::ObserverT<IceMX::TopicMetrics>
{
public:

    void published() override;
    void forwarded() override;
};

class SubscriberObserverI final : public IceStorm::Instrumentation::SubscriberObserver,
                                  public IceMX::ObserverT<IceMX::SubscriberMetrics>
{
public:

    void queued(int) override;
    void outstanding(int) override;
    void delivered(int) override;
};

class TopicManagerObserverI final : public IceStorm::Instrumentation::TopicManagerObserver
{
public:

    TopicManagerObserverI(const std::shared_ptr<IceInternal::MetricsAdminI>&);

    void setObserverUpdater(const std::shared_ptr<IceStorm::Instrumentation::ObserverUpdater>&) override;

    std::shared_ptr<IceStorm::Instrumentation::TopicObserver>
    getTopicObserver(const std::string&, const std::string&,
                     const std::shared_ptr<IceStorm::Instrumentation::TopicObserver>&) override;

    std::shared_ptr<IceStorm::Instrumentation::SubscriberObserver>
    getSubscriberObserver(const std::string &,
                          const std::string &,
                          const std::shared_ptr<Ice::ObjectPrx> &,
                          const IceStorm::QoS &,
                          const std::shared_ptr<IceStorm::TopicPrx> &,
                          IceStorm::Instrumentation::SubscriberState,
                          const std::shared_ptr<IceStorm::Instrumentation::SubscriberObserver>&) override;

private:

    const std::shared_ptr<IceInternal::MetricsAdminI> _metrics;

    IceMX::ObserverFactoryT<TopicObserverI> _topics;
    IceMX::ObserverFactoryT<SubscriberObserverI> _subscribers;
};

}

#endif