1 // Copyright (C) 2020 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <libsnapshot/snapshot.h>
18 
19 namespace android::snapshot {
20 
21 class SnapshotManagerStub : public ISnapshotManager {
22   public:
23     // Create a stubbed snapshot manager. All calls into the stub fails.
24     static std::unique_ptr<ISnapshotManager> New();
25 
26     // ISnapshotManager overrides.
27     bool BeginUpdate() override;
28     bool CancelUpdate() override;
29     bool FinishedSnapshotWrites(bool wipe) override;
30     bool InitiateMerge(uint64_t* cow_file_size = nullptr) override;
31     UpdateState ProcessUpdateState(const std::function<bool()>& callback = {},
32                                    const std::function<bool()>& before_cancel = {}) override;
33     UpdateState GetUpdateState(double* progress = nullptr) override;
34     Return CreateUpdateSnapshots(
35             const chromeos_update_engine::DeltaArchiveManifest& manifest) override;
36     bool MapUpdateSnapshot(const android::fs_mgr::CreateLogicalPartitionParams& params,
37                            std::string* snapshot_path) override;
38     bool UnmapUpdateSnapshot(const std::string& target_partition_name) override;
39     bool NeedSnapshotsInFirstStageMount() override;
40     bool CreateLogicalAndSnapshotPartitions(
41             const std::string& super_device,
42             const std::chrono::milliseconds& timeout_ms = {}) override;
43     bool HandleImminentDataWipe(const std::function<void()>& callback = {}) override;
44     bool FinishMergeInRecovery() override;
45     CreateResult RecoveryCreateSnapshotDevices() override;
46     CreateResult RecoveryCreateSnapshotDevices(
47             const std::unique_ptr<AutoDevice>& metadata_device) override;
48     bool Dump(std::ostream& os) override;
49     std::unique_ptr<AutoDevice> EnsureMetadataMounted() override;
50     ISnapshotMergeStats* GetSnapshotMergeStatsInstance() override;
51 };
52 
53 }  // namespace android::snapshot
54