1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef C2_COMPONENT_WRAPPER_H_ 18 #define C2_COMPONENT_WRAPPER_H_ 19 20 #include <C2Component.h> 21 22 #include "SimpleMethodState.h" 23 24 namespace android { 25 26 /** 27 * Creates a Wrapper around the class C2Component and its methods. The wrapper is used to 28 * simulate errors in the android media components by fault injection technique. 29 * This is done to check how the framework handles the error situation. 30 */ 31 class C2ComponentWrapper 32 : public C2Component, public std::enable_shared_from_this<C2ComponentWrapper> { 33 public: 34 class Injecter { 35 public: 36 explicit Injecter(C2ComponentWrapper *thiz); 37 38 SimpleMethodState::Injecter start(); 39 private: 40 C2ComponentWrapper *const mThiz; 41 }; 42 43 /** 44 * A wrapper around the listener class inside C2Component class. 45 */ 46 class Listener : public C2Component::Listener { 47 public: 48 explicit Listener(const std::shared_ptr<C2Component::Listener> &listener); 49 virtual ~Listener() = default; 50 51 void onWorkDone_nb(std::weak_ptr<C2Component> component, 52 std::list<std::unique_ptr<C2Work>> workItems) override; 53 void onTripped_nb(std::weak_ptr<C2Component> component, 54 std::vector<std::shared_ptr<C2SettingResult>> settingResult) override; 55 void onError_nb(std::weak_ptr<C2Component> component, uint32_t errorCode) override; 56 57 private: 58 std::shared_ptr<C2Component::Listener> mListener; 59 }; 60 61 explicit C2ComponentWrapper(const std::shared_ptr<C2Component> &comp); 62 virtual ~C2ComponentWrapper() = default; 63 64 virtual c2_status_t setListener_vb( 65 const std::shared_ptr<C2Component::Listener> &listener, 66 c2_blocking_t mayBlock) override; 67 virtual c2_status_t queue_nb(std::list<std::unique_ptr<C2Work>>* const items) override; 68 virtual c2_status_t announce_nb(const std::vector<C2WorkOutline> &items) override; 69 virtual c2_status_t flush_sm( 70 flush_mode_t mode, std::list<std::unique_ptr<C2Work>>* const flushedWork) override; 71 virtual c2_status_t drain_nb(drain_mode_t mode) override; 72 virtual c2_status_t start() override; 73 virtual c2_status_t stop() override; 74 virtual c2_status_t reset() override; 75 virtual c2_status_t release() override; 76 virtual std::shared_ptr<C2ComponentInterface> intf() override; 77 78 Injecter inject(); 79 80 private: 81 std::shared_ptr<Listener> mListener; 82 std::shared_ptr<C2Component> mComp; 83 84 SimpleMethodState mStartState; 85 }; 86 87 } // namespace android 88 89 #endif // C2_COMPONENT_WRAPPER_H_ 90