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 ANDROID_APEXD_APEXD_CHECKPOINT_VOLD_H_ 18 #define ANDROID_APEXD_APEXD_CHECKPOINT_VOLD_H_ 19 20 #include <string> 21 22 #include <utils/StrongPointer.h> 23 24 #include "apexd_checkpoint.h" 25 #include "status_or.h" 26 27 namespace android { 28 29 namespace os { 30 class IVold; 31 } 32 33 namespace apex { 34 35 class VoldCheckpointInterface : public CheckpointInterface { 36 public: 37 ~VoldCheckpointInterface(); 38 39 StatusOr<bool> SupportsFsCheckpoints() override; 40 41 StatusOr<bool> NeedsCheckpoint() override; 42 StatusOr<bool> NeedsRollback() override; 43 Status StartCheckpoint(int32_t retry) override; 44 45 Status AbortChanges(const std::string& msg, bool numRetries) override; 46 47 static StatusOr<VoldCheckpointInterface> Create(); 48 49 VoldCheckpointInterface(VoldCheckpointInterface&& other) noexcept; 50 51 private: 52 VoldCheckpointInterface(sp<os::IVold>&& vold_service); 53 54 sp<os::IVold> vold_service_; 55 bool supports_fs_checkpoints_; 56 }; 57 58 } // namespace apex 59 } // namespace android 60 61 #endif // ANDROID_APEXD_APEXD_CHECKPOINT_VOLD_H_ 62