1 /*
2  * Copyright (c) 2021 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 FREEZE_DETECTOR_PLUGIN_H
17 #define FREEZE_DETECTOR_PLUGIN_H
18 
19 #include <memory>
20 
21 #include "event.h"
22 #include "event_loop.h"
23 #include "freeze_common.h"
24 #include "plugin.h"
25 #include "watch_point.h"
26 #include "resolver.h"
27 
28 namespace OHOS {
29 namespace HiviewDFX {
30 class FreezeDetectorPlugin : public Plugin {
31 public:
32     FreezeDetectorPlugin();
33     ~FreezeDetectorPlugin();
34     bool ReadyToLoad() override;
35     bool OnEvent(std::shared_ptr<Event> &event) override;
36     void OnLoad() override;
37     void OnUnload() override;
38     bool CanProcessEvent(std::shared_ptr<Event> event) override;
39     void OnEventListeningCallback(const Event& msg) override;
40 
41 private:
42     const static uint64_t toNanoSecondMultple = 1000000;
43     const static int minAppUid = 10000;
44 
45     std::string RemoveRedundantNewline(const std::string& content) const;
46     WatchPoint MakeWatchPoint(const Event& event);
47     void CheckForeGround(long uid, long pid, unsigned long long eventTime, std::string& foreGround);
48     void ProcessEvent(WatchPoint watchPoint);
49     std::shared_ptr<FreezeCommon> freezeCommon_ = nullptr;
50     std::unique_ptr<FreezeResolver> freezeResolver_ = nullptr;
51 };
52 } // namespace HiviewDFX
53 } // namespace OHOS
54 #endif // HIVIEW_PLUGIN_FREEZE_DETECTOR_H
55