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Uses simpler templates for command sending to improve build times.
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (c) 2021 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
|
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| #pragma once | ||
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| #include <app-common/zap-generated/cluster-objects.h> | ||
| #include <app/CommandSender.h> | ||
| #include <app/DeviceProxy.h> | ||
| #include <app/InteractionModelEngine.h> | ||
| #include <app/util/error-mapping.h> | ||
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| namespace chip { | ||
| namespace Controller { | ||
| namespace detail { | ||
| template <typename ResponseType> | ||
| class ResponseReceiver : public app::CommandSender::Callback | ||
| { | ||
| public: | ||
| using SuccessCallback = void (*)(void * context, const ResponseType & data); | ||
| using FailureCallback = void (*)(void * context, EmberAfStatus status); | ||
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| virtual ~ResponseReceiver() {} | ||
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| protected: | ||
| ResponseReceiver(void * aContext, SuccessCallback aOnSuccess, FailureCallback aOnError) : | ||
| mContext(aContext), mOnSuccess(aOnSuccess), mOnError(aOnError) | ||
| {} | ||
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| inline void OnResponse(app::CommandSender * aCommandSender, const app::ConcreteCommandPath & aPath, | ||
| const app::StatusIB & aStatus, TLV::TLVReader * aData) override; | ||
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| void OnError(const app::CommandSender * aCommandSender, const app::StatusIB & aStatus, CHIP_ERROR aError) override | ||
| { | ||
| mOnError(mContext, app::ToEmberAfStatus(aStatus.mStatus)); | ||
| } | ||
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| void OnDone(app::CommandSender * aCommandSender) override | ||
| { | ||
| Platform::Delete(aCommandSender); | ||
| Platform::Delete(this); | ||
| } | ||
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| private: | ||
| void * mContext; | ||
| SuccessCallback mOnSuccess; | ||
| FailureCallback mOnError; | ||
| }; | ||
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| template <typename RequestType> | ||
| class CommandInvoker final : public ResponseReceiver<typename RequestType::ResponseType> | ||
| { | ||
| using Super = ResponseReceiver<typename RequestType::ResponseType>; | ||
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| public: | ||
| CommandInvoker(void * aContext, typename Super::SuccessCallback aOnSuccess, typename Super::FailureCallback aOnError) : | ||
| Super(aContext, aOnSuccess, aOnError) | ||
| {} | ||
|
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| /** | ||
| * Use of CommandInvoker looks as follows: | ||
| * | ||
| * auto invoker = CommandInvoker<type>::Alloc(args); | ||
| * VerifyOrReturnError(invoker != nullptr, CHIP_ERROR_NO_MEMORY); | ||
| * ReturnErrorOnFailure(invoker->InvokeCommand(args)); | ||
| * invoker.release(); // The invoker will deallocate itself now. | ||
| */ | ||
| static auto Alloc(void * aContext, typename Super::SuccessCallback aOnSuccess, typename Super::FailureCallback aOnError) | ||
| { | ||
| return Platform::MakeUnique<CommandInvoker>(aContext, aOnSuccess, aOnError); | ||
| } | ||
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| CHIP_ERROR InvokeCommand(DeviceProxy * aDevice, EndpointId aEndpoint, const RequestType & aRequestData) | ||
| { | ||
| app::CommandPathParams commandPath = { aEndpoint, 0, RequestType::GetClusterId(), RequestType::GetCommandId(), | ||
| (app::CommandPathFlags::kEndpointIdValid) }; | ||
| auto commandSender = Platform::MakeUnique<app::CommandSender>(this, aDevice->GetExchangeManager()); | ||
| VerifyOrReturnError(commandSender != nullptr, CHIP_ERROR_NO_MEMORY); | ||
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| ReturnErrorOnFailure(commandSender->AddRequestData(commandPath, aRequestData)); | ||
| ReturnErrorOnFailure(commandSender->SendCommandRequest(aDevice->GetSecureSession().Value())); | ||
| commandSender.release(); | ||
| return CHIP_NO_ERROR; | ||
| } | ||
| }; | ||
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| template <typename ResponseType> | ||
| void ResponseReceiver<ResponseType>::OnResponse(app::CommandSender * aCommandSender, const app::ConcreteCommandPath & aPath, | ||
| const app::StatusIB & aStatus, TLV::TLVReader * aData) | ||
| { | ||
| ResponseType response; | ||
| CHIP_ERROR err = CHIP_NO_ERROR; | ||
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| // | ||
| // We're expecting response data in this variant of OnResponse. Consequently, aReader should always be | ||
| // non-null. If it is, it means we received a success status code instead, which is not what was expected. | ||
| // | ||
| VerifyOrExit(aData != nullptr, err = CHIP_ERROR_SCHEMA_MISMATCH); | ||
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| // | ||
| // Validate that the data response we received matches what we expect in terms of its cluster and command IDs. | ||
| // | ||
| VerifyOrExit(aPath.mClusterId == ResponseType::GetClusterId() && aPath.mCommandId == ResponseType::GetCommandId(), | ||
| err = CHIP_ERROR_SCHEMA_MISMATCH); | ||
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| err = app::DataModel::Decode(*aData, response); | ||
| SuccessOrExit(err); | ||
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| mOnSuccess(mContext, response); | ||
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| exit: | ||
| if (err != CHIP_NO_ERROR) | ||
| { | ||
| mOnError(mContext, app::ToEmberAfStatus(Protocols::InteractionModel::Status::Failure)); | ||
| } | ||
| } | ||
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| template <> | ||
| inline void ResponseReceiver<app::DataModel::NullObjectType>::OnResponse(app::CommandSender * aCommandSender, | ||
| const app::ConcreteCommandPath & aPath, | ||
| const app::StatusIB & aStatus, TLV::TLVReader * aData) | ||
| { | ||
| // | ||
| // If we got a valid reader, it means we received response data that we were not expecting to receive. | ||
| // | ||
| if (aData != nullptr) | ||
| { | ||
| mOnError(mContext, app::ToEmberAfStatus(Protocols::InteractionModel::Status::Failure)); | ||
| return; | ||
| } | ||
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| app::DataModel::NullObjectType nullResp; | ||
| mOnSuccess(mContext, nullResp); | ||
| } | ||
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| } // namespace detail | ||
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| template <typename RequestType> | ||
| CHIP_ERROR InvokeCommand(DeviceProxy * aDevice, void * aContext, | ||
| typename detail::CommandInvoker<RequestType>::SuccessCallback aSuccessCallback, | ||
| typename detail::CommandInvoker<RequestType>::FailureCallback aFailureCallback, EndpointId aEndpoint, | ||
| const RequestType & aRequestData) | ||
| { | ||
| auto invoker = detail::CommandInvoker<RequestType>::Alloc(aContext, aSuccessCallback, aFailureCallback); | ||
| VerifyOrReturnError(invoker != nullptr, CHIP_ERROR_NO_MEMORY); | ||
| ReturnErrorOnFailure(invoker->InvokeCommand(aDevice, aEndpoint, aRequestData)); | ||
| invoker.release(); | ||
| return CHIP_NO_ERROR; | ||
| } | ||
|
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| } // namespace Controller | ||
| } // namespace chip |
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18 changes: 0 additions & 18 deletions
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zzz_generated/all-clusters-app/zap-generated/CHIPClustersInvoke.cpp
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18 changes: 0 additions & 18 deletions
18
zzz_generated/bridge-app/zap-generated/CHIPClustersInvoke.cpp
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