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_IO_DECORATOR_H
17 #define HIVIEW_FRAMEWORK_NATIVE_UNIFIED_COLLECTION_IO_DECORATOR_H
18 
19 #include <mutex>
20 
21 #include "io_collector.h"
22 #include "decorator.h"
23 
24 namespace OHOS {
25 namespace HiviewDFX {
26 namespace UCollectUtil {
27 class IoDecorator : public IoCollector, public UCDecorator {
28 public:
IoDecorator(std::shared_ptr<IoCollector> collector)29     IoDecorator(std::shared_ptr<IoCollector> collector) : ioCollector_(collector) {};
30     virtual ~IoDecorator() = default;
31 
32 public:
33     virtual CollectResult<ProcessIo> CollectProcessIo(int32_t pid) override;
34     virtual CollectResult<std::string> CollectRawDiskStats() override;
35     virtual CollectResult<std::vector<DiskStats>> CollectDiskStats(
36         DiskStatsFilter filter = DefaultDiskStatsFilter, bool isUpdate = false) override;
37     virtual CollectResult<std::string> ExportDiskStats(DiskStatsFilter filter = DefaultDiskStatsFilter) override;
38     virtual CollectResult<std::vector<EMMCInfo>> CollectEMMCInfo() override;
39     virtual CollectResult<std::string> ExportEMMCInfo() override;
40     virtual CollectResult<std::vector<ProcessIoStats>> CollectAllProcIoStats(bool isUpdate = false) override;
41     virtual CollectResult<std::string> ExportAllProcIoStats() override;
42     virtual CollectResult<SysIoStats> CollectSysIoStats() override;
43     virtual CollectResult<std::string> ExportSysIoStats() override;
44     static void SaveStatCommonInfo();
45     static void ResetStatInfo();
46 
47 private:
48     std::shared_ptr<IoCollector> ioCollector_;
49     static StatInfoWrapper statInfoWrapper_;
50 };
51 } // namespace UCollectUtil
52 } // namespace HiviewDFX
53 } // namespace OHOS
54 #endif // HIVIEW_FRAMEWORK_NATIVE_UNIFIED_COLLECTION_IO_DECORATOR_H
55