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
31     : public DynamicPartitionControlInterface {
32  public:
33   FeatureFlag GetDynamicPartitionsFeatureFlag() override;
34   FeatureFlag GetVirtualAbFeatureFlag() override;
35   FeatureFlag GetVirtualAbCompressionFeatureFlag() override;
36   FeatureFlag GetVirtualAbCompressionXorFeatureFlag() override;
37   FeatureFlag GetVirtualAbUserspaceSnapshotsFeatureFlag() override;
38   bool OptimizeOperation(const std::string& partition_name,
39                          const InstallOperation& operation,
40                          InstallOperation* optimized) override;
41   void Cleanup() override;
42   bool PreparePartitionsForUpdate(uint32_t source_slot,
43                                   uint32_t target_slot,
44                                   const DeltaArchiveManifest& manifest,
45                                   bool update,
46                                   uint64_t* required_size,
47                                   ErrorCode* error = nullptr) override;
48 
49   bool FinishUpdate(bool powerwash_required) override;
50   std::unique_ptr<AbstractAction> GetCleanupPreviousUpdateAction(
51       BootControlInterface* boot_control,
52       PrefsInterface* prefs,
53       CleanupPreviousUpdateActionDelegateInterface* delegate) override;
54   bool ResetUpdate(PrefsInterface* prefs) override;
55 
56   bool ListDynamicPartitionsForSlot(
57       uint32_t slot,
58       uint32_t current_slot,
59       std::vector<std::string>* partitions) override;
60   bool GetDeviceDir(std::string* path) override;
61 
62   bool VerifyExtentsForUntouchedPartitions(
63       uint32_t source_slot,
64       uint32_t target_slot,
65       const std::vector<std::string>& partitions) override;
66 
67   std::unique_ptr<android::snapshot::ICowWriter> OpenCowWriter(
68       const std::string& unsuffixed_partition_name,
69       const std::optional<std::string>&,
70       std::optional<uint64_t> label) override;
71 
72   std::unique_ptr<FileDescriptor> OpenCowFd(
73       const std::string& unsuffixed_partition_name,
74       const std::optional<std::string>&,
75       bool is_append = false) override {
76     return nullptr;
77   }
78 
79   bool MapAllPartitions() override;
80   bool UnmapAllPartitions() override;
81 
82   bool IsDynamicPartition(const std::string& part_name, uint32_t slot) override;
83   bool UpdateUsesSnapshotCompression() override;
84 };
85 }  // namespace chromeos_update_engine
86 
87 #endif  // UPDATE_ENGINE_COMMON_DYNAMIC_PARTITION_CONTROL_STUB_H_
88