1 /* 2 * Copyright (C) 2024 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_MEMORY_CATCHER 16 #define EVENT_LOGGER_MEMORY_CATCHER 17 18 #include <string> 19 20 #include "event_log_catcher.h" 21 #include "sys_event.h" 22 23 namespace OHOS { 24 namespace HiviewDFX { 25 #ifdef USAGE_CATCHER_ENABLE 26 class MemoryCatcher : public EventLogCatcher { 27 public: 28 explicit MemoryCatcher(); ~MemoryCatcher()29 ~MemoryCatcher() override{}; 30 bool Initialize(const std::string& strParam1, int intParam1, int intParam2) override; 31 int Catch(int fd, int jsonFd) override; 32 void CollectMemInfo(); 33 void SetEvent(std::shared_ptr<SysEvent> event); 34 35 private: 36 std::string CollectFreezeSysMemory(); 37 void CheckString(const std::string &mem, std::string &data, const std::string &key, const std::string &path); 38 int GetNumFromString(const std::string &mem); 39 std::string GetStringFromFile(const std::string &path); 40 41 std::shared_ptr<SysEvent> event_ = nullptr; 42 }; 43 #endif // USAGE_CATCHER_ENABLE 44 } // namespace HiviewDFX 45 } // namespace OHOS 46 #endif // EVENT_LOGGER_MEMORY_CATCHER