1 /*
2  * Copyright (C) 2023 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 #pragma once
18 
19 #include <functional>
20 #include <string>
21 
22 #include "common/libs/utils/result.h"
23 #include "host/libs/config/cuttlefish_config.h"
24 
25 namespace cuttlefish {
26 
27 /*
28  * Copy recursively from src_dir_path to dest_dir_path as long as
29  * the predicate function returns true
30  */
31 Result<void> CopyDirectoryRecursively(
32     const std::string& src_dir_path, const std::string& dest_dir_path,
33     const bool verify_dest_dir_empty = false,
34     std::function<bool(const std::string&)> predicate = [](const std::string&) {
35       return true;
36     });
37 
38 Result<Json::Value> CreateMetaInfo(const CuttlefishConfig& config,
39                                    const std::string& snapshot_path);
40 
41 Result<std::string> InstanceGuestSnapshotPath(const Json::Value& meta_json,
42                                               const std::string& instance_id);
43 std::string SnapshotMetaJsonPath(const std::string& snapshot_path);
44 Result<Json::Value> LoadMetaJson(const std::string& snapshot_path);
45 
46 Result<std::vector<std::string>> GuestSnapshotDirectories(
47     const std::string& snapshot_path);
48 
49 inline constexpr const char kMetaInfoJsonFileName[] = "snapshot_meta_info.json";
50 inline constexpr const char kGuestSnapshotField[] = "guest_snapshot";
51 inline constexpr const char kSnapshotPathField[] = "snapshot_path";
52 inline constexpr const char kCfHomeField[] = "HOME";
53 inline constexpr const char kGuestSnapshotBase[] = "guest_vm";
54 
55 }  // namespace cuttlefish
56