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1 /*
2  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
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 
16 #ifndef UPDATER_UPDATER_H
17 #define UPDATER_UPDATER_H
18 #include <chrono>
19 #include <optional>
20 #include <string>
21 #include "misc_info/misc_info.h"
22 #include "package/packages_info.h"
23 #include "package/pkg_manager.h"
24 
25 namespace Updater {
26 enum UpdaterStatus {
27     UPDATE_ERROR = -1,
28     UPDATE_SUCCESS,
29     UPDATE_CORRUPT, /* package or verify failed, something is broken. */
30     UPDATE_SKIP, /* skip update because of condition is not satisfied, e.g, battery is low */
31     UPDATE_RETRY,
32     UPDATE_SPACE_NOTENOUGH,
33     UPDATE_UNKNOWN
34 };
35 
36 using PostMessageFunction = std::function<void(const char *cmd, const char *content)>;
37 
38 enum PackageUpdateMode {
39     HOTA_UPDATE = 0,
40     SDCARD_UPDATE,
41     UNKNOWN_UPDATE,
42 };
43 
44 struct UpdaterParams {
45     bool factoryWipeData = false;
46     bool userWipeData = false;
47     bool forceUpdate = false;
48     bool forceReboot = false;
49     bool factoryReset = false;
50     bool mainUpdate = false;
51     bool sdUpdate = false;
52     PackageUpdateMode updateMode = HOTA_UPDATE;
53     int retryCount = 0;
54     float initialProgress = 0; /* The upgrade starts at the progress bar location */
55     float currentPercentage = 0; /* The proportion of progress bars occupied by the upgrade process */
56     unsigned int pkgLocation = 0;
57     std::string miscCmd {"boot_updater"};
58     std::vector<std::string> updatePackage {};
59     std::vector<std::chrono::duration<double>> installTime {};
60     std::function<void(float)> callbackProgress {};
61 };
62 
63 using CondFunc = std::function<bool(const UpdateMessage &)>;
64 
65 using EntryFunc = std::function<int(int, char **)>;
66 
67 struct BootMode {
68     CondFunc cond {nullptr}; // enter mode condition
69     std::string modeName {}; // mode name
70     std::string modePara {}; // parameter config of mode
71     EntryFunc entryFunc {nullptr}; // mode entry
72     void InitMode(void) const; // mode related initialization
73 };
74 
75 int32_t ExtractUpdaterBinary(Hpackage::PkgManager::PkgManagerPtr manager, std::string &packagePath,
76     const std::string &updaterBinary);
77 
78 int GetTmpProgressValue();
79 void SetTmpProgressValue(int value);
80 
81 void ProgressSmoothHandler(int beginProgress, int endProgress);
82 
83 UpdaterStatus DoInstallUpdaterPackage(Hpackage::PkgManager::PkgManagerPtr pkgManager,
84     UpdaterParams &upParams, PackageUpdateMode updateMode);
85 
86 UpdaterStatus StartUpdaterProc(Hpackage::PkgManager::PkgManagerPtr pkgManager,
87     UpdaterParams &upParams, int &maxTemperature);
88 
89 int GetUpdatePackageInfo(Hpackage::PkgManager::PkgManagerPtr pkgManager, const std::string& path);
90 
91 int ExecUpdate(Hpackage::PkgManager::PkgManagerPtr pkgManager, int retry, const std::string &pkgPath,
92     PostMessageFunction postMessage);
93 
94 UpdaterStatus IsSpaceCapacitySufficient(const UpdaterParams &upParams);
95 
96 std::vector<uint64_t> GetStashSizeList(const UpdaterParams &upParams);
97 
98 void HandleChildOutput(const std::string &buffer, int32_t bufferLen, bool &retryUpdate, UpdaterParams &upParams);
99 
100 int CheckStatvfs(const uint64_t totalPkgSize);
101 
102 bool IsSDCardExist(const std::string &sdcard_path);
103 
104 void PostUpdater(bool clearMisc);
105 
106 bool DeleteUpdaterPath(const std::string &path);
107 
108 bool ClearMisc();
109 
110 std::string GetWorkPath();
111 
112 bool IsUpdater(const UpdateMessage &boot);
113 
114 bool IsFlashd(const UpdateMessage &boot);
115 
116 void RegisterMode(const BootMode &mode);
117 
118 std::vector<BootMode> &GetBootModes(void);
119 
120 std::optional<BootMode> SelectMode(const UpdateMessage &boot);
121 } // Updater
122 #endif /* UPDATER_UPDATER_H */
123