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 bool OptimizeOperation(const std::string& partition_name, 37 const InstallOperation& operation, 38 InstallOperation* optimized) override; 39 void Cleanup() override; 40 bool PreparePartitionsForUpdate(uint32_t source_slot, 41 uint32_t target_slot, 42 const DeltaArchiveManifest& manifest, 43 bool update, 44 uint64_t* required_size) override; 45 46 bool FinishUpdate(bool powerwash_required) override; 47 std::unique_ptr<AbstractAction> GetCleanupPreviousUpdateAction( 48 BootControlInterface* boot_control, 49 PrefsInterface* prefs, 50 CleanupPreviousUpdateActionDelegateInterface* delegate) override; 51 bool ResetUpdate(PrefsInterface* prefs) override; 52 53 bool ListDynamicPartitionsForSlot( 54 uint32_t slot, 55 uint32_t current_slot, 56 std::vector<std::string>* partitions) override; 57 bool GetDeviceDir(std::string* path) override; 58 59 bool VerifyExtentsForUntouchedPartitions( 60 uint32_t source_slot, 61 uint32_t target_slot, 62 const std::vector<std::string>& partitions) override; 63 64 std::unique_ptr<android::snapshot::ISnapshotWriter> OpenCowWriter( 65 const std::string& unsuffixed_partition_name, 66 const std::optional<std::string>&, 67 bool is_append) override; 68 69 std::unique_ptr<FileDescriptor> OpenCowFd( 70 const std::string& unsuffixed_partition_name, 71 const std::optional<std::string>&, 72 bool is_append = false) override { 73 return nullptr; 74 } 75 76 bool MapAllPartitions() override; 77 bool UnmapAllPartitions() override; 78 79 bool IsDynamicPartition(const std::string& part_name, uint32_t slot) override; 80 bool UpdateUsesSnapshotCompression() override; 81 }; 82 } // namespace chromeos_update_engine 83 84 #endif // UPDATE_ENGINE_COMMON_DYNAMIC_PARTITION_CONTROL_STUB_H_ 85