1 /*
2  * Copyright (c) 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 HIVIEW_FRAMEWORK_NATIVE_UNIFIED_COLLECTION_CPU_DECORATOR_H
17 #define HIVIEW_FRAMEWORK_NATIVE_UNIFIED_COLLECTION_CPU_DECORATOR_H
18 
19 #include "cpu_collector.h"
20 #include "decorator.h"
21 
22 namespace OHOS {
23 namespace HiviewDFX {
24 namespace UCollectUtil {
25 class CpuDecorator : public CpuCollector, public ThreadCpuCollector, public UCDecorator {
26 public:
27     CpuDecorator(std::shared_ptr<CpuCollector> collector,
28         std::shared_ptr<ThreadCpuCollector> threadCpuCollector = nullptr) : cpuCollector_(collector),
29         threadCpuCollector_(threadCpuCollector) {};
30     virtual ~CpuDecorator() = default;
31 
32 public:
33     virtual CollectResult<SysCpuLoad> CollectSysCpuLoad() override;
34     virtual CollectResult<SysCpuUsage> CollectSysCpuUsage(bool isNeedUpdate = false) override;
35     virtual CollectResult<double> GetSysCpuUsage() override;
36     virtual CollectResult<ProcessCpuStatInfo> CollectProcessCpuStatInfo(int32_t pid,
37         bool isNeedUpdate = false) override;
38     virtual CollectResult<std::vector<CpuFreq>> CollectCpuFrequency() override;
39     virtual CollectResult<std::vector<ProcessCpuStatInfo>> CollectProcessCpuStatInfos(
40         bool isNeedUpdate = false) override;
41     virtual std::shared_ptr<ThreadCpuCollector> CreateThreadCollector(int pid) override;
42     virtual CollectResult<std::vector<ThreadCpuStatInfo>> CollectThreadStatInfos(bool isNeedUpdate = false) override;
43     virtual int GetCollectPid() override;
44     static void SaveStatCommonInfo();
45     static void ResetStatInfo();
46 
47 private:
48     std::shared_ptr<CpuCollector> cpuCollector_;
49     std::shared_ptr<ThreadCpuCollector> threadCpuCollector_;
50     static StatInfoWrapper statInfoWrapper_;
51 };
52 } // namespace UCollectUtil
53 } // namespace HiviewDFX
54 } // namespace OHOS
55 #endif // HIVIEW_FRAMEWORK_NATIVE_UNIFIED_COLLECTION_CPU_DECORATOR_H
56