| /****************************************************************************** |
| * |
| * Copyright (C) 2021 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. |
| * |
| ***************************************************************************** |
| * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| */ |
| |
| #ifndef __VEHICLE_MANAGER_FUZZER_H__ |
| #define __VEHICLE_MANAGER_FUZZER_H__ |
| |
| #include <vhal_v2_0/VehicleHalManager.h> |
| #include <vhal_v2_0/VehiclePropertyStore.h> |
| #include <vhal_v2_0/VmsUtils.h> |
| |
| #include <VehicleHalTestUtils.h> |
| #include <fuzzer/FuzzedDataProvider.h> |
| |
| namespace android::hardware::automotive::vehicle::V2_0::fuzzer { |
| |
| constexpr int kRetriableAttempts = 3; |
| |
| class MockedVehicleHal : public VehicleHal { |
| public: |
| MockedVehicleHal() |
| : mFuelCapacityAttemptsLeft(kRetriableAttempts), |
| mMirrorFoldAttemptsLeft(kRetriableAttempts) { |
| mConfigs.assign(std::begin(kVehicleProperties), std::end(kVehicleProperties)); |
| } |
| |
| std::vector<VehiclePropConfig> listProperties() override { return mConfigs; } |
| |
| VehiclePropValuePtr get(const VehiclePropValue& requestedPropValue, |
| StatusCode* outStatus) override; |
| |
| StatusCode set(const VehiclePropValue& propValue) override { |
| if (toInt(VehicleProperty::MIRROR_FOLD) == propValue.prop && |
| mMirrorFoldAttemptsLeft-- > 0) { |
| return StatusCode::TRY_AGAIN; |
| } |
| |
| mValues[makeKey(propValue)] = propValue; |
| return StatusCode::OK; |
| } |
| |
| StatusCode subscribe(int32_t /* property */, float /* sampleRate */) override { |
| return StatusCode::OK; |
| } |
| |
| StatusCode unsubscribe(int32_t /* property */) override { return StatusCode::OK; } |
| |
| void sendPropEvent(recyclable_ptr<VehiclePropValue> value) { doHalEvent(std::move(value)); } |
| |
| void sendHalError(StatusCode error, int32_t property, int32_t areaId) { |
| doHalPropertySetError(error, property, areaId); |
| } |
| |
| private: |
| int64_t makeKey(const VehiclePropValue& v) const { return makeKey(v.prop, v.areaId); } |
| |
| int64_t makeKey(int32_t prop, int32_t area) const { |
| return (static_cast<int64_t>(prop) << 32) | area; |
| } |
| |
| private: |
| std::vector<VehiclePropConfig> mConfigs; |
| std::unordered_map<int64_t, VehiclePropValue> mValues; |
| int mFuelCapacityAttemptsLeft; |
| int mMirrorFoldAttemptsLeft; |
| }; |
| |
| class VehicleHalManagerFuzzer { |
| public: |
| VehicleHalManagerFuzzer() { |
| mHal.reset(new MockedVehicleHal); |
| mManager.reset(new VehicleHalManager(mHal.get())); |
| mObjectPool = mHal->getValuePool(); |
| } |
| ~VehicleHalManagerFuzzer() { |
| mManager.reset(nullptr); |
| mHal.reset(nullptr); |
| mObjectPool = nullptr; |
| if (mFuzzedDataProvider) { |
| delete mFuzzedDataProvider; |
| } |
| } |
| void process(const uint8_t* data, size_t size); |
| |
| private: |
| FuzzedDataProvider* mFuzzedDataProvider = nullptr; |
| VehiclePropValue mActualValue = VehiclePropValue{}; |
| StatusCode mActualStatusCode = StatusCode::OK; |
| |
| VehiclePropValuePool* mObjectPool = nullptr; |
| std::unique_ptr<MockedVehicleHal> mHal; |
| std::unique_ptr<VehicleHalManager> mManager; |
| |
| void invokeDebug(); |
| void invokePropConfigs(); |
| void invokeSubscribe(); |
| void invokeSetAndGetValues(); |
| void invokeObd2SensorStore(); |
| void invokeVmsUtils(); |
| void invokeVehiclePropStore(); |
| void invokeWatchDogClient(); |
| void invokeGetSubscribedLayers(VmsMessageType type); |
| void invokeGet(int32_t property, int32_t areaId); |
| }; |
| |
| } // namespace android::hardware::automotive::vehicle::V2_0::fuzzer |
| |
| #endif // __VEHICLE_MANAGER_FUZZER_H__ |