1 // 2 // Copyright (C) 2019 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 UPDATE_ENGINE_COMMON_DYNAMIC_PARTITION_CONTROL_STUB_H_ 18 #define UPDATE_ENGINE_COMMON_DYNAMIC_PARTITION_CONTROL_STUB_H_ 19 20 #include <stdint.h> 21 22 #include <memory> 23 #include <string> 24 #include <vector> 25 26 #include "update_engine/common/dynamic_partition_control_interface.h" 27 28 namespace chromeos_update_engine { 29 30 class DynamicPartitionControlStub final : public DynamicPartitionControlInterface { 31 public: 32 FeatureFlag GetDynamicPartitionsFeatureFlag() override; 33 FeatureFlag GetVirtualAbFeatureFlag() override; 34 FeatureFlag GetVirtualAbCompressionFeatureFlag() override; 35 FeatureFlag GetVirtualAbCompressionXorFeatureFlag() override; 36 FeatureFlag GetVirtualAbUserspaceSnapshotsFeatureFlag() override; 37 bool OptimizeOperation(const std::string& partition_name, 38 const InstallOperation& operation, 39 InstallOperation* optimized) override; 40 void Cleanup() override; 41 bool PreparePartitionsForUpdate(uint32_t source_slot, 42 uint32_t target_slot, 43 const DeltaArchiveManifest& manifest, 44 bool update, 45 uint64_t* required_size) override; 46 47 bool FinishUpdate(bool powerwash_required) override; 48 std::unique_ptr<AbstractAction> GetCleanupPreviousUpdateAction( 49 BootControlInterface* boot_control, 50 PrefsInterface* prefs, 51 CleanupPreviousUpdateActionDelegateInterface* delegate) override; 52 bool ResetUpdate(PrefsInterface* prefs) override; 53 54 bool ListDynamicPartitionsForSlot( 55 uint32_t slot, 56 uint32_t current_slot, 57 std::vector<std::string>* partitions) override; 58 bool GetDeviceDir(std::string* path) override; 59 60 bool VerifyExtentsForUntouchedPartitions( 61 uint32_t source_slot, 62 uint32_t target_slot, 63 const std::vector<std::string>& partitions) override; 64 65 std::unique_ptr<android::snapshot::ISnapshotWriter> OpenCowWriter( 66 const std::string& unsuffixed_partition_name, 67 const std::optional<std::string>&, 68 bool is_append) override; 69 70 std::unique_ptr<FileDescriptor> OpenCowFd( 71 const std::string& unsuffixed_partition_name, 72 const std::optional<std::string>&, 73 bool is_append = false) override { 74 return nullptr; 75 } 76 77 bool MapAllPartitions() override; 78 bool UnmapAllPartitions() override; 79 80 bool IsDynamicPartition(const std::string& part_name, uint32_t slot) override; 81 bool UpdateUsesSnapshotCompression() override; 82 }; 83 } // namespace chromeos_update_engine 84 85 #endif // UPDATE_ENGINE_COMMON_DYNAMIC_PARTITION_CONTROL_STUB_H_ 86