src/app/clusters/valve-configuration-and-control-server/valve-configuration-and-control-server.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /**
  *
  *    Copyright (c) 2023 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.
  *
  */

 #include "valve-configuration-and-control-server.h"

 #include <app/util/config.h>
 #ifdef ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
 // Need the `nogncheck` because it's inter-cluster dependency and this
 // breaks GN deps checks since that doesn't know how to deal with #ifdef'd includes :(.
 #include "app/clusters/time-synchronization-server/time-synchronization-server.h" // nogncheck

 #endif // ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER

 #include <app-common/zap-generated/attributes/Accessors.h>
 #include <app-common/zap-generated/cluster-objects.h>
 #include <app-common/zap-generated/ids/Attributes.h>
 #include <app-common/zap-generated/ids/Clusters.h>
 #include <app/AttributeAccessInterface.h>
 #include <app/CommandHandler.h>
 #include <app/ConcreteCommandPath.h>
 #include <app/EventLogging.h>
 #include <app/data-model/Encode.h>
 #include <app/reporting/reporting.h>
 #include <app/util/attribute-storage.h>
 #include <lib/core/CHIPError.h>
 #include <lib/support/logging/CHIPLogging.h>
 #include <platform/CHIPDeviceConfig.h>
 #include <platform/CHIPDeviceLayer.h>

 using namespace chip;
 using namespace chip::app;
 using namespace chip::app::Clusters;
 using namespace chip::app::Clusters::ValveConfigurationAndControl::Attributes;
 using chip::app::Clusters::ValveConfigurationAndControl::Delegate;
 using chip::Protocols::InteractionModel::Status;

 static constexpr size_t kValveConfigurationAndControlDelegateTableSize =
     MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT + CHIP_DEVICE_CONFIG_DYNAMIC_ENDPOINT_COUNT;

 static_assert(kValveConfigurationAndControlDelegateTableSize <= kEmberInvalidEndpointIndex,
               "ValveConfigurationAndControl Delegate table size error");

 namespace {

 struct RemainingDurationTable
 {
     EndpointId endpoint;
     DataModel::Nullable<uint32_t> remainingDuration;
 };

 RemainingDurationTable gRemainingDuration[kValveConfigurationAndControlDelegateTableSize];
 Delegate * gDelegateTable[kValveConfigurationAndControlDelegateTableSize] = { nullptr };

 bool GetRemainingDuration(EndpointId endpoint, DataModel::Nullable<uint32_t> & duration)
 {
     uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                           MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     VerifyOrReturnValue(epIdx < kValveConfigurationAndControlDelegateTableSize, false);
     duration = gRemainingDuration[epIdx].remainingDuration;
     return true;
 }

 void SetRemainingDuration(EndpointId endpoint, DataModel::Nullable<uint32_t> duration)
 {
     uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                           MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     if (epIdx < kValveConfigurationAndControlDelegateTableSize)
     {
         gRemainingDuration[epIdx].endpoint          = endpoint;
         gRemainingDuration[epIdx].remainingDuration = duration;
     }
 }

 void SetRemainingDurationNull(EndpointId endpoint)
 {
     uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                           MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     if (epIdx < kValveConfigurationAndControlDelegateTableSize)
     {
         if (!gRemainingDuration[epIdx].remainingDuration.IsNull())
         {
             MatterReportingAttributeChangeCallback(endpoint, ValveConfigurationAndControl::Id, RemainingDuration::Id);
         }
         gRemainingDuration[epIdx].remainingDuration.SetNull();
     }
 }

 RemainingDurationTable * GetRemainingDurationItem(EndpointId endpoint)
 {
     uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                           MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     if (epIdx < kValveConfigurationAndControlDelegateTableSize)
     {
         return &gRemainingDuration[epIdx];
     }
     return nullptr;
 }

 Delegate * GetDelegate(EndpointId endpoint)
 {
     uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                           MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     return (epIdx >= kValveConfigurationAndControlDelegateTableSize ? nullptr : gDelegateTable[epIdx]);
 }

 bool isDelegateNull(Delegate * delegate)
 {
     if (delegate == nullptr)
     {
         return true;
     }
     return false;
 }

 class ValveConfigAndControlAttrAccess : public AttributeAccessInterface
 {
 public:
     ValveConfigAndControlAttrAccess() : AttributeAccessInterface(Optional<EndpointId>::Missing(), ValveConfigurationAndControl::Id)
     {}

     CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override;

 private:
     CHIP_ERROR ReadRemainingDuration(EndpointId endpoint, AttributeValueEncoder & aEncoder);
 };

 ValveConfigAndControlAttrAccess gAttrAccess;

 CHIP_ERROR ValveConfigAndControlAttrAccess::ReadRemainingDuration(EndpointId endpoint, AttributeValueEncoder & aEncoder)
 {
     DataModel::Nullable<uint32_t> rDuration;
     VerifyOrReturnError(GetRemainingDuration(endpoint, rDuration), CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute));

     return aEncoder.Encode(rDuration);
 }

 CHIP_ERROR ValveConfigAndControlAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
 {
     CHIP_ERROR err = CHIP_NO_ERROR;

     if (aPath.mClusterId != ValveConfigurationAndControl::Id)
     {
         return CHIP_ERROR_INVALID_PATH_LIST;
     }

     switch (aPath.mAttributeId)
     {
     case RemainingDuration::Id: {
         return ReadRemainingDuration(aPath.mEndpointId, aEncoder);
     }
     default: {
         break;
     }
     }

     return err;
 }
 } // namespace

 static void startRemainingDurationTick(EndpointId ep);

 static bool emitValveStateChangedEvent(EndpointId ep, ValveConfigurationAndControl::ValveStateEnum state)
 {
     ValveConfigurationAndControl::Events::ValveStateChanged::Type event;
     EventNumber eventNumber;
     event.valveState = state;

     CHIP_ERROR error = LogEvent(event, ep, eventNumber);

     if (CHIP_NO_ERROR != error)
     {
         ChipLogError(Zcl, "Unable to emit ValveStateChanged event [ep=%d]", ep);
         return false;
     }

     ChipLogProgress(Zcl, "Emit ValveStateChanged event [ep=%d] %d", ep, to_underlying(state));
     return true;
 }

 static CHIP_ERROR emitValveFaultEvent(EndpointId ep, BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault)
 {
     ValveConfigurationAndControl::Events::ValveFault::Type event;
     EventNumber eventNumber;
     event.valveFault = fault;

     CHIP_ERROR error = LogEvent(event, ep, eventNumber);

     if (CHIP_NO_ERROR != error)
     {
         ChipLogError(Zcl, "Unable to emit ValveFault event [ep=%d]", ep);
         return error;
     }

     ChipLogProgress(Zcl, "Emit ValveFault event [ep=%d]", ep);
     return CHIP_NO_ERROR;
 }

 static void onValveConfigurationAndControlTick(System::Layer * systemLayer, void * data)
 {
     RemainingDurationTable * item = reinterpret_cast<RemainingDurationTable *>(data);
     VerifyOrReturn(item != nullptr, ChipLogError(Zcl, "Error retrieving RemainingDuration item"));

     DataModel::Nullable<uint32_t> rDuration = item->remainingDuration;
     VerifyOrReturn(!rDuration.IsNull());

     EndpointId ep = item->endpoint;

     if (rDuration.Value() > 0)
     {
         SetRemainingDuration(ep, DataModel::MakeNullable<uint32_t>(--rDuration.Value()));
         startRemainingDurationTick(ep);
     }
     else
     {
         SetRemainingDurationNull(ep);
     }
 }

 void startRemainingDurationTick(EndpointId ep)
 {
     RemainingDurationTable * item = GetRemainingDurationItem(ep);
     VerifyOrReturn(item != nullptr, ChipLogError(Zcl, "Error retrieving RemainingDuration item"));

     DataModel::Nullable<uint32_t> rDuration = item->remainingDuration;
     VerifyOrReturn(!rDuration.IsNull());
     Delegate * delegate = GetDelegate(item->endpoint);
     VerifyOrReturn(!isDelegateNull(delegate));

     delegate->HandleRemainingDurationTick(rDuration.Value());
     if (rDuration.Value() > 0)
     {
         (void) DeviceLayer::SystemLayer().StartTimer(System::Clock::Seconds16(1), onValveConfigurationAndControlTick, item);
     }
     else
     {
         ValveConfigurationAndControl::CloseValve(ep);
         (void) DeviceLayer::SystemLayer().CancelTimer(onValveConfigurationAndControlTick, item);
     }
 }

 namespace chip {
 namespace app {
 namespace Clusters {
 namespace ValveConfigurationAndControl {

 void SetDefaultDelegate(EndpointId endpoint, Delegate * delegate)
 {
     uint16_t ep = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
                                                        MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
     // if endpoint is found
     if (ep < kValveConfigurationAndControlDelegateTableSize)
     {
         gDelegateTable[ep] = delegate;
     }
 }

 Delegate * GetDefaultDelegate(EndpointId endpoint)
 {
     return GetDelegate(endpoint);
 }

 CHIP_ERROR CloseValve(EndpointId ep)
 {
     Delegate * delegate = GetDelegate(ep);
     DataModel::Nullable<uint32_t> rDuration;
     CHIP_ERROR attribute_error = CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);

     VerifyOrReturnError(Status::Success == TargetState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kClosed),
                         attribute_error);
     VerifyOrReturnError(Status::Success == CurrentState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning),
                         attribute_error);
     VerifyOrReturnError(Status::Success == OpenDuration::SetNull(ep), attribute_error);
     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
     {
         VerifyOrReturnError(Status::Success == TargetLevel::Set(ep, 0), attribute_error);
     }
     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kTimeSync))
     {
         VerifyOrReturnError(Status::Success == AutoCloseTime::SetNull(ep), attribute_error);
     }
     SetRemainingDurationNull(ep);
     RemainingDurationTable * item = GetRemainingDurationItem(ep);
     (void) DeviceLayer::SystemLayer().CancelTimer(onValveConfigurationAndControlTick, item);

     emitValveStateChangedEvent(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning);
     if (!isDelegateNull(delegate))
     {
         delegate->HandleCloseValve();
     }

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR SetValveLevel(EndpointId ep, DataModel::Nullable<Percent> level, DataModel::Nullable<uint32_t> openDuration)
 {
     Delegate * delegate     = GetDelegate(ep);
     Optional<Status> status = Optional<Status>::Missing();
     DataModel::Nullable<Percent> openLevel;
     DataModel::Nullable<uint64_t> autoCloseTime;
     CHIP_ERROR attribute_error = CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);

     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kTimeSync))
     {
 #ifdef ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
         if (!openDuration.IsNull() &&
             TimeSynchronization::TimeSynchronizationServer::Instance().GetGranularity() !=
                 TimeSynchronization::GranularityEnum::kNoTimeGranularity)
         {
             System::Clock::Microseconds64 utcTime;
             uint64_t chipEpochTime;
             ReturnErrorOnFailure(System::SystemClock().GetClock_RealTime(utcTime));
             VerifyOrReturnError(UnixEpochToChipEpochMicros(utcTime.count(), chipEpochTime), CHIP_ERROR_INVALID_TIME);

             uint64_t time = openDuration.Value() * chip::kMicrosecondsPerSecond;
             autoCloseTime.SetNonNull(chipEpochTime + time);
             VerifyOrReturnError(Status::Success == AutoCloseTime::Set(ep, autoCloseTime), attribute_error);
         }
         else
         {
             VerifyOrReturnError(Status::Success == AutoCloseTime::SetNull(ep), attribute_error);
         }
 #else
         return CHIP_ERROR_NOT_IMPLEMENTED;
 #endif // ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
     }

     // level can only be null if LVL feature is not supported
     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel) && !level.IsNull())
     {
         VerifyOrReturnError(Status::Success == TargetLevel::Set(ep, level), attribute_error);
     }

     VerifyOrReturnError(Status::Success == OpenDuration::Set(ep, openDuration), attribute_error);

     SetRemainingDuration(ep, openDuration);
     // Trigger report for remainingduration
     MatterReportingAttributeChangeCallback(ep, ValveConfigurationAndControl::Id, RemainingDuration::Id);
     // set targetstate to open
     VerifyOrReturnError(Status::Success == TargetState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kOpen),
                         attribute_error);
     VerifyOrReturnError(Status::Success == CurrentState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning),
                         attribute_error);

     // start movement towards target
     emitValveStateChangedEvent(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning);
     if (!isDelegateNull(delegate))
     {
         DataModel::Nullable<Percent> cLevel = delegate->HandleOpenValve(level);
         if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
         {
             VerifyOrReturnError(Status::Success == CurrentLevel::Set(ep, cLevel), attribute_error);
         }
     }
     // start countdown
     startRemainingDurationTick(ep);

     return CHIP_NO_ERROR;
 }

 CHIP_ERROR UpdateCurrentLevel(EndpointId ep, Percent currentLevel)
 {
     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
     {
         VerifyOrReturnError(Status::Success == CurrentLevel::Set(ep, currentLevel), CHIP_IM_GLOBAL_STATUS(ConstraintError));
         return CHIP_NO_ERROR;
     }
     return CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);
 }

 CHIP_ERROR UpdateCurrentState(EndpointId ep, ValveConfigurationAndControl::ValveStateEnum currentState)
 {
     VerifyOrReturnError(Status::Success == CurrentState::Set(ep, currentState), CHIP_IM_GLOBAL_STATUS(ConstraintError));
     emitValveStateChangedEvent(ep, currentState);
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR EmitValveFault(EndpointId ep, BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault)
 {
     ReturnErrorOnFailure(emitValveFaultEvent(ep, fault));
     return CHIP_NO_ERROR;
 }

 void UpdateAutoCloseTime(uint64_t time)
 {
     for (auto & t : gRemainingDuration)
     {
         const auto & d = t.remainingDuration;
         if (!d.IsNull() && d.Value() != 0)
         {
             uint64_t closingTime = d.Value() * chip::kMicrosecondsPerSecond + time;
             if (Status::Success != AutoCloseTime::Set(t.endpoint, closingTime))
             {
                 ChipLogError(Zcl, "Unable to update AutoCloseTime");
             }
         }
     }
 }
 } // namespace ValveConfigurationAndControl
 } // namespace Clusters
 } // namespace app
 } // namespace chip

 bool emberAfValveConfigurationAndControlClusterOpenCallback(
     CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
     const ValveConfigurationAndControl::Commands::Open::DecodableType & commandData)
 {
     const auto & openDuration = commandData.openDuration;
     const auto & targetLevel  = commandData.targetLevel;
     const auto & ep           = commandPath.mEndpointId;
     DataModel::Nullable<Percent> level;
     DataModel::Nullable<uint32_t> duration;
     BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault(0);
     Optional<Status> status = Optional<Status>::Missing();

     // if fault is registered return FailureDueToFault
     if (Status::Success == ValveFault::Get(ep, &fault) && fault.HasAny())
     {
         commandObj->AddClusterSpecificFailure(commandPath,
                                               to_underlying(ValveConfigurationAndControl::StatusCodeEnum::kFailureDueToFault));
         return true;
     }

     // verify min 1 requirement
     VerifyOrExit(targetLevel.HasValue() ? targetLevel.Value() > 0 : true, status.Emplace(Status::ConstraintError));
     if (openDuration.HasValue())
     {
         bool validOpenDuration = openDuration.Value().IsNull() ? true : openDuration.Value().Value() > 0;
         // verify min 1 requirement
         VerifyOrExit(validOpenDuration, status.Emplace(Status::ConstraintError));

         duration = openDuration.Value();
     }
     else
     {
         VerifyOrExit(Status::Success == DefaultOpenDuration::Get(ep, duration), status.Emplace(Status::Failure));
     }

     if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
     {
         Percent defOpenLevel;
         if (targetLevel.HasValue())
         {
             level.SetNonNull(targetLevel.Value());
         }
         else if (Status::Success == DefaultOpenLevel::Get(ep, &defOpenLevel))
         {
             level.SetNonNull(defOpenLevel);
         }
         else
         {
             level.SetNonNull(Percent(100));
         }
     }

     VerifyOrExit(CHIP_NO_ERROR == ValveConfigurationAndControl::SetValveLevel(ep, level, duration),
                  status.Emplace(Status::Failure));

 exit:
     if (status.HasValue())
     {
         BitMask<ValveConfigurationAndControl::ValveFaultBitmap> gFault(
             ValveConfigurationAndControl::ValveFaultBitmap::kGeneralFault);
         emitValveFaultEvent(ep, gFault);
         commandObj->AddStatus(commandPath, status.Value());
     }
     else
     {
         commandObj->AddStatus(commandPath, Status::Success);
     }

     return true;
 }

 bool emberAfValveConfigurationAndControlClusterCloseCallback(
     CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
     const ValveConfigurationAndControl::Commands::Close::DecodableType & commandData)
 {
     const auto & ep = commandPath.mEndpointId;
     BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault(0);

     // if fault is registered return FailureDueToFault
     if (Status::Success == ValveFault::Get(ep, &fault) && fault.HasAny())
     {
         commandObj->AddClusterSpecificFailure(commandPath,
                                               to_underlying(ValveConfigurationAndControl::StatusCodeEnum::kFailureDueToFault));
         return true;
     }

     if (CHIP_NO_ERROR == ValveConfigurationAndControl::CloseValve(ep))
     {
         commandObj->AddStatus(commandPath, Status::Success);
     }
     else
     {
         commandObj->AddStatus(commandPath, Status::Failure);
     }

     return true;
 }

 void MatterValveConfigurationAndControlPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }
	/**
	*
	* Copyright (c) 2023 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.
	*
	*/

	#include "valve-configuration-and-control-server.h"

	#include <app/util/config.h>
	#ifdef ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
	// Need the `nogncheck` because it's inter-cluster dependency and this
	// breaks GN deps checks since that doesn't know how to deal with #ifdef'd includes :(.
	#include "app/clusters/time-synchronization-server/time-synchronization-server.h" // nogncheck

	#endif // ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER

	#include <app-common/zap-generated/attributes/Accessors.h>
	#include <app-common/zap-generated/cluster-objects.h>
	#include <app-common/zap-generated/ids/Attributes.h>
	#include <app-common/zap-generated/ids/Clusters.h>
	#include <app/AttributeAccessInterface.h>
	#include <app/CommandHandler.h>
	#include <app/ConcreteCommandPath.h>
	#include <app/EventLogging.h>
	#include <app/data-model/Encode.h>
	#include <app/reporting/reporting.h>
	#include <app/util/attribute-storage.h>
	#include <lib/core/CHIPError.h>
	#include <lib/support/logging/CHIPLogging.h>
	#include <platform/CHIPDeviceConfig.h>
	#include <platform/CHIPDeviceLayer.h>

	using namespace chip;
	using namespace chip::app;
	using namespace chip::app::Clusters;
	using namespace chip::app::Clusters::ValveConfigurationAndControl::Attributes;
	using chip::app::Clusters::ValveConfigurationAndControl::Delegate;
	using chip::Protocols::InteractionModel::Status;

	static constexpr size_t kValveConfigurationAndControlDelegateTableSize =
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT + CHIP_DEVICE_CONFIG_DYNAMIC_ENDPOINT_COUNT;

	static_assert(kValveConfigurationAndControlDelegateTableSize <= kEmberInvalidEndpointIndex,
	"ValveConfigurationAndControl Delegate table size error");

	namespace {

	struct RemainingDurationTable
	{
	EndpointId endpoint;
	DataModel::Nullable<uint32_t> remainingDuration;
	};

	RemainingDurationTable gRemainingDuration[kValveConfigurationAndControlDelegateTableSize];
	Delegate * gDelegateTable[kValveConfigurationAndControlDelegateTableSize] = { nullptr };

	bool GetRemainingDuration(EndpointId endpoint, DataModel::Nullable<uint32_t> & duration)
	{
	uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	VerifyOrReturnValue(epIdx < kValveConfigurationAndControlDelegateTableSize, false);
	duration = gRemainingDuration[epIdx].remainingDuration;
	return true;
	}

	void SetRemainingDuration(EndpointId endpoint, DataModel::Nullable<uint32_t> duration)
	{
	uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	if (epIdx < kValveConfigurationAndControlDelegateTableSize)
	{
	gRemainingDuration[epIdx].endpoint = endpoint;
	gRemainingDuration[epIdx].remainingDuration = duration;
	}
	}

	void SetRemainingDurationNull(EndpointId endpoint)
	{
	uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	if (epIdx < kValveConfigurationAndControlDelegateTableSize)
	{
	if (!gRemainingDuration[epIdx].remainingDuration.IsNull())
	{
	MatterReportingAttributeChangeCallback(endpoint, ValveConfigurationAndControl::Id, RemainingDuration::Id);
	}
	gRemainingDuration[epIdx].remainingDuration.SetNull();
	}
	}

	RemainingDurationTable * GetRemainingDurationItem(EndpointId endpoint)
	{
	uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	if (epIdx < kValveConfigurationAndControlDelegateTableSize)
	{
	return &gRemainingDuration[epIdx];
	}
	return nullptr;
	}

	Delegate * GetDelegate(EndpointId endpoint)
	{
	uint16_t epIdx = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	return (epIdx >= kValveConfigurationAndControlDelegateTableSize ? nullptr : gDelegateTable[epIdx]);
	}

	bool isDelegateNull(Delegate * delegate)
	{
	if (delegate == nullptr)
	{
	return true;
	}
	return false;
	}

	class ValveConfigAndControlAttrAccess : public AttributeAccessInterface
	{
	public:
	ValveConfigAndControlAttrAccess() : AttributeAccessInterface(Optional<EndpointId>::Missing(), ValveConfigurationAndControl::Id)
	{}

	CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override;

	private:
	CHIP_ERROR ReadRemainingDuration(EndpointId endpoint, AttributeValueEncoder & aEncoder);
	};

	ValveConfigAndControlAttrAccess gAttrAccess;

	CHIP_ERROR ValveConfigAndControlAttrAccess::ReadRemainingDuration(EndpointId endpoint, AttributeValueEncoder & aEncoder)
	{
	DataModel::Nullable<uint32_t> rDuration;
	VerifyOrReturnError(GetRemainingDuration(endpoint, rDuration), CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute));

	return aEncoder.Encode(rDuration);
	}

	CHIP_ERROR ValveConfigAndControlAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
	{
	CHIP_ERROR err = CHIP_NO_ERROR;

	if (aPath.mClusterId != ValveConfigurationAndControl::Id)
	{
	return CHIP_ERROR_INVALID_PATH_LIST;
	}

	switch (aPath.mAttributeId)
	{
	case RemainingDuration::Id: {
	return ReadRemainingDuration(aPath.mEndpointId, aEncoder);
	}
	default: {
	break;
	}
	}

	return err;
	}
	} // namespace

	static void startRemainingDurationTick(EndpointId ep);

	static bool emitValveStateChangedEvent(EndpointId ep, ValveConfigurationAndControl::ValveStateEnum state)
	{
	ValveConfigurationAndControl::Events::ValveStateChanged::Type event;
	EventNumber eventNumber;
	event.valveState = state;

	CHIP_ERROR error = LogEvent(event, ep, eventNumber);

	if (CHIP_NO_ERROR != error)
	{
	ChipLogError(Zcl, "Unable to emit ValveStateChanged event [ep=%d]", ep);
	return false;
	}

	ChipLogProgress(Zcl, "Emit ValveStateChanged event [ep=%d] %d", ep, to_underlying(state));
	return true;
	}

	static CHIP_ERROR emitValveFaultEvent(EndpointId ep, BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault)
	{
	ValveConfigurationAndControl::Events::ValveFault::Type event;
	EventNumber eventNumber;
	event.valveFault = fault;

	CHIP_ERROR error = LogEvent(event, ep, eventNumber);

	if (CHIP_NO_ERROR != error)
	{
	ChipLogError(Zcl, "Unable to emit ValveFault event [ep=%d]", ep);
	return error;
	}

	ChipLogProgress(Zcl, "Emit ValveFault event [ep=%d]", ep);
	return CHIP_NO_ERROR;
	}

	static void onValveConfigurationAndControlTick(System::Layer * systemLayer, void * data)
	{
	RemainingDurationTable * item = reinterpret_cast<RemainingDurationTable *>(data);
	VerifyOrReturn(item != nullptr, ChipLogError(Zcl, "Error retrieving RemainingDuration item"));

	DataModel::Nullable<uint32_t> rDuration = item->remainingDuration;
	VerifyOrReturn(!rDuration.IsNull());

	EndpointId ep = item->endpoint;

	if (rDuration.Value() > 0)
	{
	SetRemainingDuration(ep, DataModel::MakeNullable<uint32_t>(--rDuration.Value()));
	startRemainingDurationTick(ep);
	}
	else
	{
	SetRemainingDurationNull(ep);
	}
	}

	void startRemainingDurationTick(EndpointId ep)
	{
	RemainingDurationTable * item = GetRemainingDurationItem(ep);
	VerifyOrReturn(item != nullptr, ChipLogError(Zcl, "Error retrieving RemainingDuration item"));

	DataModel::Nullable<uint32_t> rDuration = item->remainingDuration;
	VerifyOrReturn(!rDuration.IsNull());
	Delegate * delegate = GetDelegate(item->endpoint);
	VerifyOrReturn(!isDelegateNull(delegate));

	delegate->HandleRemainingDurationTick(rDuration.Value());
	if (rDuration.Value() > 0)
	{
	(void) DeviceLayer::SystemLayer().StartTimer(System::Clock::Seconds16(1), onValveConfigurationAndControlTick, item);
	}
	else
	{
	ValveConfigurationAndControl::CloseValve(ep);
	(void) DeviceLayer::SystemLayer().CancelTimer(onValveConfigurationAndControlTick, item);
	}
	}

	namespace chip {
	namespace app {
	namespace Clusters {
	namespace ValveConfigurationAndControl {

	void SetDefaultDelegate(EndpointId endpoint, Delegate * delegate)
	{
	uint16_t ep = emberAfGetClusterServerEndpointIndex(endpoint, ValveConfigurationAndControl::Id,
	MATTER_DM_VALVE_CONFIGURATION_AND_CONTROL_CLUSTER_SERVER_ENDPOINT_COUNT);
	// if endpoint is found
	if (ep < kValveConfigurationAndControlDelegateTableSize)
	{
	gDelegateTable[ep] = delegate;
	}
	}

	Delegate * GetDefaultDelegate(EndpointId endpoint)
	{
	return GetDelegate(endpoint);
	}

	CHIP_ERROR CloseValve(EndpointId ep)
	{
	Delegate * delegate = GetDelegate(ep);
	DataModel::Nullable<uint32_t> rDuration;
	CHIP_ERROR attribute_error = CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);

	VerifyOrReturnError(Status::Success == TargetState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kClosed),
	attribute_error);
	VerifyOrReturnError(Status::Success == CurrentState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning),
	attribute_error);
	VerifyOrReturnError(Status::Success == OpenDuration::SetNull(ep), attribute_error);
	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
	{
	VerifyOrReturnError(Status::Success == TargetLevel::Set(ep, 0), attribute_error);
	}
	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kTimeSync))
	{
	VerifyOrReturnError(Status::Success == AutoCloseTime::SetNull(ep), attribute_error);
	}
	SetRemainingDurationNull(ep);
	RemainingDurationTable * item = GetRemainingDurationItem(ep);
	(void) DeviceLayer::SystemLayer().CancelTimer(onValveConfigurationAndControlTick, item);

	emitValveStateChangedEvent(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning);
	if (!isDelegateNull(delegate))
	{
	delegate->HandleCloseValve();
	}

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR SetValveLevel(EndpointId ep, DataModel::Nullable<Percent> level, DataModel::Nullable<uint32_t> openDuration)
	{
	Delegate * delegate = GetDelegate(ep);
	Optional<Status> status = Optional<Status>::Missing();
	DataModel::Nullable<Percent> openLevel;
	DataModel::Nullable<uint64_t> autoCloseTime;
	CHIP_ERROR attribute_error = CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);

	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kTimeSync))
	{
	#ifdef ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
	if (!openDuration.IsNull() &&
	TimeSynchronization::TimeSynchronizationServer::Instance().GetGranularity() !=
	TimeSynchronization::GranularityEnum::kNoTimeGranularity)
	{
	System::Clock::Microseconds64 utcTime;
	uint64_t chipEpochTime;
	ReturnErrorOnFailure(System::SystemClock().GetClock_RealTime(utcTime));
	VerifyOrReturnError(UnixEpochToChipEpochMicros(utcTime.count(), chipEpochTime), CHIP_ERROR_INVALID_TIME);

	uint64_t time = openDuration.Value() * chip::kMicrosecondsPerSecond;
	autoCloseTime.SetNonNull(chipEpochTime + time);
	VerifyOrReturnError(Status::Success == AutoCloseTime::Set(ep, autoCloseTime), attribute_error);
	}
	else
	{
	VerifyOrReturnError(Status::Success == AutoCloseTime::SetNull(ep), attribute_error);
	}
	#else
	return CHIP_ERROR_NOT_IMPLEMENTED;
	#endif // ZCL_USING_TIME_SYNCHRONIZATION_CLUSTER_SERVER
	}

	// level can only be null if LVL feature is not supported
	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel) && !level.IsNull())
	{
	VerifyOrReturnError(Status::Success == TargetLevel::Set(ep, level), attribute_error);
	}

	VerifyOrReturnError(Status::Success == OpenDuration::Set(ep, openDuration), attribute_error);

	SetRemainingDuration(ep, openDuration);
	// Trigger report for remainingduration
	MatterReportingAttributeChangeCallback(ep, ValveConfigurationAndControl::Id, RemainingDuration::Id);
	// set targetstate to open
	VerifyOrReturnError(Status::Success == TargetState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kOpen),
	attribute_error);
	VerifyOrReturnError(Status::Success == CurrentState::Set(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning),
	attribute_error);

	// start movement towards target
	emitValveStateChangedEvent(ep, ValveConfigurationAndControl::ValveStateEnum::kTransitioning);
	if (!isDelegateNull(delegate))
	{
	DataModel::Nullable<Percent> cLevel = delegate->HandleOpenValve(level);
	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
	{
	VerifyOrReturnError(Status::Success == CurrentLevel::Set(ep, cLevel), attribute_error);
	}
	}
	// start countdown
	startRemainingDurationTick(ep);

	return CHIP_NO_ERROR;
	}

	CHIP_ERROR UpdateCurrentLevel(EndpointId ep, Percent currentLevel)
	{
	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
	{
	VerifyOrReturnError(Status::Success == CurrentLevel::Set(ep, currentLevel), CHIP_IM_GLOBAL_STATUS(ConstraintError));
	return CHIP_NO_ERROR;
	}
	return CHIP_IM_GLOBAL_STATUS(UnsupportedAttribute);
	}

	CHIP_ERROR UpdateCurrentState(EndpointId ep, ValveConfigurationAndControl::ValveStateEnum currentState)
	{
	VerifyOrReturnError(Status::Success == CurrentState::Set(ep, currentState), CHIP_IM_GLOBAL_STATUS(ConstraintError));
	emitValveStateChangedEvent(ep, currentState);
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR EmitValveFault(EndpointId ep, BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault)
	{
	ReturnErrorOnFailure(emitValveFaultEvent(ep, fault));
	return CHIP_NO_ERROR;
	}

	void UpdateAutoCloseTime(uint64_t time)
	{
	for (auto & t : gRemainingDuration)
	{
	const auto & d = t.remainingDuration;
	if (!d.IsNull() && d.Value() != 0)
	{
	uint64_t closingTime = d.Value() * chip::kMicrosecondsPerSecond + time;
	if (Status::Success != AutoCloseTime::Set(t.endpoint, closingTime))
	{
	ChipLogError(Zcl, "Unable to update AutoCloseTime");
	}
	}
	}
	}
	} // namespace ValveConfigurationAndControl
	} // namespace Clusters
	} // namespace app
	} // namespace chip

	bool emberAfValveConfigurationAndControlClusterOpenCallback(
	CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
	const ValveConfigurationAndControl::Commands::Open::DecodableType & commandData)
	{
	const auto & openDuration = commandData.openDuration;
	const auto & targetLevel = commandData.targetLevel;
	const auto & ep = commandPath.mEndpointId;
	DataModel::Nullable<Percent> level;
	DataModel::Nullable<uint32_t> duration;
	BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault(0);
	Optional<Status> status = Optional<Status>::Missing();

	// if fault is registered return FailureDueToFault
	if (Status::Success == ValveFault::Get(ep, &fault) && fault.HasAny())
	{
	commandObj->AddClusterSpecificFailure(commandPath,
	to_underlying(ValveConfigurationAndControl::StatusCodeEnum::kFailureDueToFault));
	return true;
	}

	// verify min 1 requirement
	VerifyOrExit(targetLevel.HasValue() ? targetLevel.Value() > 0 : true, status.Emplace(Status::ConstraintError));
	if (openDuration.HasValue())
	{
	bool validOpenDuration = openDuration.Value().IsNull() ? true : openDuration.Value().Value() > 0;
	// verify min 1 requirement
	VerifyOrExit(validOpenDuration, status.Emplace(Status::ConstraintError));

	duration = openDuration.Value();
	}
	else
	{
	VerifyOrExit(Status::Success == DefaultOpenDuration::Get(ep, duration), status.Emplace(Status::Failure));
	}

	if (HasFeature(ep, ValveConfigurationAndControl::Feature::kLevel))
	{
	Percent defOpenLevel;
	if (targetLevel.HasValue())
	{
	level.SetNonNull(targetLevel.Value());
	}
	else if (Status::Success == DefaultOpenLevel::Get(ep, &defOpenLevel))
	{
	level.SetNonNull(defOpenLevel);
	}
	else
	{
	level.SetNonNull(Percent(100));
	}
	}

	VerifyOrExit(CHIP_NO_ERROR == ValveConfigurationAndControl::SetValveLevel(ep, level, duration),
	status.Emplace(Status::Failure));

	exit:
	if (status.HasValue())
	{
	BitMask<ValveConfigurationAndControl::ValveFaultBitmap> gFault(
	ValveConfigurationAndControl::ValveFaultBitmap::kGeneralFault);
	emitValveFaultEvent(ep, gFault);
	commandObj->AddStatus(commandPath, status.Value());
	}
	else
	{
	commandObj->AddStatus(commandPath, Status::Success);
	}

	return true;
	}

	bool emberAfValveConfigurationAndControlClusterCloseCallback(
	CommandHandler * commandObj, const ConcreteCommandPath & commandPath,
	const ValveConfigurationAndControl::Commands::Close::DecodableType & commandData)
	{
	const auto & ep = commandPath.mEndpointId;
	BitMask<ValveConfigurationAndControl::ValveFaultBitmap> fault(0);

	// if fault is registered return FailureDueToFault
	if (Status::Success == ValveFault::Get(ep, &fault) && fault.HasAny())
	{
	commandObj->AddClusterSpecificFailure(commandPath,
	to_underlying(ValveConfigurationAndControl::StatusCodeEnum::kFailureDueToFault));
	return true;
	}

	if (CHIP_NO_ERROR == ValveConfigurationAndControl::CloseValve(ep))
	{
	commandObj->AddStatus(commandPath, Status::Success);
	}
	else
	{
	commandObj->AddStatus(commandPath, Status::Failure);
	}

	return true;
	}

	void MatterValveConfigurationAndControlPluginServerInitCallback()
	{
	registerAttributeAccessOverride(&gAttrAccess);
	}