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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 #ifndef EVENT_LOGGER_DMESG_CATCHER
16 #define EVENT_LOGGER_DMESG_CATCHER
17 
18 #include <map>
19 #include <string>
20 #include <vector>
21 
22 #include "sys_event.h"
23 
24 #include "event_log_catcher.h"
25 namespace OHOS {
26 namespace HiviewDFX {
27 class DmesgCatcher : public EventLogCatcher {
28 public:
29     explicit DmesgCatcher();
~DmesgCatcher()30     ~DmesgCatcher() override {};
31     bool Initialize(const std::string& packageNam, int isWriteNewFile, int intParam2) override;
32     int Catch(int fd) override;
33     bool Init(std::shared_ptr<SysEvent> event);
34 
35 private:
36     static const inline std::string FULL_DIR = "/data/log/eventlog/";
37     bool needWriteSysrq_ = false;
38     bool isWriteNewFile_ = false;
39     std::shared_ptr<SysEvent> event_;
40 
41     std::string DmesgSaveTofile();
42     bool DumpDmesgLog(int fd);
43     bool WriteSysrq();
44 };
45 } // namespace HiviewDFX
46 } // namespace OHOS
47 #endif // EVENT_LOGGER_DMESG_CATCHER
48