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

#ifndef ICE_GRID_PLATFORM_INFO_H
#define ICE_GRID_PLATFORM_INFO_H

#include <IceGrid/Internal.h>

#ifdef _WIN32
#   include <pdh.h> // Performance data helper API
#   include <deque>
#endif

namespace IceGrid
{

class TraceLevels;

NodeInfo toNodeInfo(const std::shared_ptr<InternalNodeInfo>&);
RegistryInfo toRegistryInfo(const std::shared_ptr<InternalReplicaInfo>&);

class PlatformInfo final
{
public:

    PlatformInfo(const std::string&, const std::shared_ptr<Ice::Communicator>&, const std::shared_ptr<TraceLevels>&);

    void start();
    void stop();

    std::shared_ptr<InternalNodeInfo> getInternalNodeInfo() const;
    std::shared_ptr<InternalReplicaInfo> getInternalReplicaInfo() const;

    NodeInfo getNodeInfo() const;
    RegistryInfo getRegistryInfo() const;

    LoadInfo getLoadInfo() const;
    int getProcessorSocketCount() const;
    std::string getHostname() const;
    std::string getDataDir() const;
    std::string getCwd() const;

#if defined(_WIN32)
    void runUpdateLoadInfo();
#endif

private:

    const std::shared_ptr<TraceLevels> _traceLevels;
    std::string _name;
    std::string _os;
    std::string _hostname;
    std::string _release;
    std::string _version;
    std::string _machine;
    int _nProcessorThreads;
    std::string _dataDir;
    std::string _cwd;
    std::string _endpoints;
    int _nProcessorSockets;

#if defined(_WIN32)
    std::deque<int> _usages1;
    std::deque<int> _usages5;
    std::deque<int> _usages15;
    int _last1Total;
    int _last5Total;
    int _last15Total;
    bool _terminated;
    mutable std::mutex _utilizationMutex;
    std::condition_variable _utilizationCondVar;
    std::thread _updateUtilizationThread;
#endif

};

};

#endif