| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #define LOG_TAG "SampleDriver" |
| |
| #include "SampleDriver.h" |
| |
| #include "CpuExecutor.h" |
| #include "HalInterfaces.h" |
| #include "ValidateHal.h" |
| |
| #include <android-base/logging.h> |
| #include <hidl/LegacySupport.h> |
| #include <thread> |
| |
| namespace android { |
| namespace nn { |
| namespace sample_driver { |
| |
| Return<void> SampleDriver::getCapabilities(getCapabilities_cb cb) { |
| return getCapabilities_1_1( |
| [&](ErrorStatus error, const V1_1::Capabilities& capabilities) { |
| // TODO(dgross): Do we need to check compliantWithV1_0(capabilities)? |
| cb(error, convertToV1_0(capabilities)); |
| }); |
| } |
| |
| Return<void> SampleDriver::getSupportedOperations(const V1_0::Model& model, |
| getSupportedOperations_cb cb) { |
| if (!validateModel(model)) { |
| VLOG(DRIVER) << "getSupportedOperations"; |
| std::vector<bool> supported; |
| cb(ErrorStatus::INVALID_ARGUMENT, supported); |
| return Void(); |
| } |
| return getSupportedOperations_1_1(convertToV1_1(model), cb); |
| } |
| |
| Return<ErrorStatus> SampleDriver::prepareModel(const V1_0::Model& model, |
| const sp<IPreparedModelCallback>& callback) { |
| if (callback.get() == nullptr) { |
| VLOG(DRIVER) << "prepareModel"; |
| LOG(ERROR) << "invalid callback passed to prepareModel"; |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| if (!validateModel(model)) { |
| VLOG(DRIVER) << "prepareModel"; |
| callback->notify(ErrorStatus::INVALID_ARGUMENT, nullptr); |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| return prepareModel_1_1(convertToV1_1(model), ExecutionPreference::FAST_SINGLE_ANSWER, |
| callback); |
| } |
| |
| Return<ErrorStatus> SampleDriver::prepareModel_1_1(const V1_1::Model& model, |
| ExecutionPreference preference, |
| const sp<IPreparedModelCallback>& callback) { |
| if (VLOG_IS_ON(DRIVER)) { |
| VLOG(DRIVER) << "prepareModel_1_1"; |
| logModelToInfo(model); |
| } |
| if (callback.get() == nullptr) { |
| LOG(ERROR) << "invalid callback passed to prepareModel"; |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| if (!validateModel(model) || !validateExecutionPreference(preference)) { |
| callback->notify(ErrorStatus::INVALID_ARGUMENT, nullptr); |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| |
| // TODO: make asynchronous later |
| sp<SamplePreparedModel> preparedModel = new SamplePreparedModel(model); |
| if (!preparedModel->initialize()) { |
| callback->notify(ErrorStatus::INVALID_ARGUMENT, nullptr); |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| callback->notify(ErrorStatus::NONE, preparedModel); |
| return ErrorStatus::NONE; |
| } |
| |
| Return<DeviceStatus> SampleDriver::getStatus() { |
| VLOG(DRIVER) << "getStatus()"; |
| return DeviceStatus::AVAILABLE; |
| } |
| |
| int SampleDriver::run() { |
| android::hardware::configureRpcThreadpool(4, true); |
| if (registerAsService(mName) != android::OK) { |
| LOG(ERROR) << "Could not register service"; |
| return 1; |
| } |
| android::hardware::joinRpcThreadpool(); |
| LOG(ERROR) << "Service exited!"; |
| return 1; |
| } |
| |
| bool SamplePreparedModel::initialize() { |
| return setRunTimePoolInfosFromHidlMemories(&mPoolInfos, mModel.pools); |
| } |
| |
| void SamplePreparedModel::asyncExecute(const Request& request, |
| const sp<IExecutionCallback>& callback) { |
| std::vector<RunTimePoolInfo> requestPoolInfos; |
| if (!setRunTimePoolInfosFromHidlMemories(&requestPoolInfos, request.pools)) { |
| callback->notify(ErrorStatus::GENERAL_FAILURE); |
| return; |
| } |
| |
| CpuExecutor executor; |
| int n = executor.run(mModel, request, mPoolInfos, requestPoolInfos); |
| VLOG(DRIVER) << "executor.run returned " << n; |
| ErrorStatus executionStatus = |
| n == ANEURALNETWORKS_NO_ERROR ? ErrorStatus::NONE : ErrorStatus::GENERAL_FAILURE; |
| Return<void> returned = callback->notify(executionStatus); |
| if (!returned.isOk()) { |
| LOG(ERROR) << " hidl callback failed to return properly: " << returned.description(); |
| } |
| } |
| |
| Return<ErrorStatus> SamplePreparedModel::execute(const Request& request, |
| const sp<IExecutionCallback>& callback) { |
| VLOG(DRIVER) << "execute(" << SHOW_IF_DEBUG(toString(request)) << ")"; |
| if (callback.get() == nullptr) { |
| LOG(ERROR) << "invalid callback passed to execute"; |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| if (!validateRequest(request, mModel)) { |
| callback->notify(ErrorStatus::INVALID_ARGUMENT); |
| return ErrorStatus::INVALID_ARGUMENT; |
| } |
| |
| // This thread is intentionally detached because the sample driver service |
| // is expected to live forever. |
| std::thread([this, request, callback]{ asyncExecute(request, callback); }).detach(); |
| |
| return ErrorStatus::NONE; |
| } |
| |
| } // namespace sample_driver |
| } // namespace nn |
| } // namespace android |