text: /*
   *
   *    Copyright (c) 2020 Project CHIP Authors
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  
  #pragma once
  
  #include <memory>
  #include <thread>
  #include <vector>
  
  #include "platform/internal/CHIPDeviceLayerInternal.h"
  
  #include "dbus/client/thread_api_dbus.hpp"
  #include "platform/internal/DeviceNetworkInfo.h"
  
  namespace chip {
  namespace DeviceLayer {
  
  class ThreadStackManagerImpl : public ThreadStackManager
  {
  public:
      ThreadStackManagerImpl();
  
      CHIP_ERROR _InitThreadStack();
      void _ProcessThreadActivity();
  
      CHIP_ERROR _StartThreadTask() { return CHIP_NO_ERROR; } // Intentionally left blank
      void _LockThreadStack() {}                              // Intentionally left blank
      bool _TryLockThreadStack() { return false; }            // Intentionally left blank
      void _UnlockThreadStack() {}                            // Intentionally left blank
  
      bool _HaveRouteToAddress(const Inet::IPAddress & destAddr);
  
      void _OnPlatformEvent(const ChipDeviceEvent * event);
  
      CHIP_ERROR _GetThreadProvision(Internal::DeviceNetworkInfo & netInfo, bool includeCredentials);
  
      CHIP_ERROR _SetThreadProvision(const Internal::DeviceNetworkInfo & netInfo);
  
      CHIP_ERROR _SetThreadProvision(const uint8_t * operationalDataset, size_t operationalDatasetLen);
  
      void _ErasePersistentInfo();
  
      bool _IsThreadProvisioned();
  
      bool _IsThreadEnabled();
  
      bool _IsThreadAttached();
  
      CHIP_ERROR _SetThreadEnabled(bool val);
  
      ConnectivityManager::ThreadDeviceType _GetThreadDeviceType();
  
      CHIP_ERROR _SetThreadDeviceType(ConnectivityManager::ThreadDeviceType deviceType);
  
      void _GetThreadPollingConfig(ConnectivityManager::ThreadPollingConfig & pollingConfig);
  
      CHIP_ERROR _SetThreadPollingConfig(const ConnectivityManager::ThreadPollingConfig & pollingConfig);
  
      bool _HaveMeshConnectivity();
  
      void _OnMessageLayerActivityChanged(bool messageLayerIsActive);
  
      void _OnCHIPoBLEAdvertisingStart();
  
      void _OnCHIPoBLEAdvertisingStop();
  
      CHIP_ERROR _GetAndLogThreadStatsCounters();
  
      CHIP_ERROR _GetAndLogThreadTopologyMinimal();
  
      CHIP_ERROR _GetAndLogThreadTopologyFull();
  
      CHIP_ERROR _GetPrimary802154MACAddress(uint8_t * buf);
  
      CHIP_ERROR _GetFactoryAssignedEUI64(uint8_t (&buf)[8]);
  
      CHIP_ERROR _GetExternalIPv6Address(chip::Inet::IPAddress & addr);
  
      CHIP_ERROR _JoinerStart();
  
      ~ThreadStackManagerImpl() = default;
  
      static ThreadStackManagerImpl sInstance;
  
  private:
      struct DBusConnectionDeleter
      {
          void operator()(DBusConnection * aConnection) { dbus_connection_unref(aConnection); }
      };
  
      using UniqueDBusConnection = std::unique_ptr<DBusConnection, DBusConnectionDeleter>;
  
      void _ThreadDevcieRoleChangedHandler(otbr::DBus::DeviceRole role);
  
      std::unique_ptr<otbr::DBus::ThreadApiDBus> mThreadApi;
      UniqueDBusConnection mConnection;
      std::vector<uint8_t> mOperationalDatasetTlv;
      Internal::DeviceNetworkInfo mNetworkInfo;
      bool mAttached;
      std::thread mDBusEventLoop;
  };
  
  } // namespace DeviceLayer
  } // namespace chip
  