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 SANITIZERD_COLLECTOR_H 17 #define SANITIZERD_COLLECTOR_H 18 #include <cstdio> 19 #include <mutex> 20 #include <string> 21 #include <thread> 22 #include <unordered_map> 23 24 #include "reporter.h" 25 #include "sanitizerd_log.h" 26 27 namespace OHOS { 28 namespace HiviewDFX { 29 // sanitizer collector. 30 class SanitizerdCollector { 31 public: 32 explicit SanitizerdCollector(std::unordered_map<std::string, std::string> &stkmap); 33 34 virtual ~SanitizerdCollector(); 35 36 void Collect(const std::string& filepath) const; 37 // Compute a stack signature string from an san dump. 38 bool ComputeStackSignature(const std::string& kernelDump, 39 const std::string& kernelSignature, 40 bool printDiagnostics) const; 41 42 protected: 43 int UpdateCollectedData(std::string hash, std::string rfile); 44 bool IsDuplicate(const std::string hash) const; 45 46 std::mutex mutex_; 47 std::unordered_map<std::string, std::string> &stacks_; 48 T_SANITIZERD_PARAMS curr_; 49 }; 50 } // namespace HiviewDFX 51 } // namespace OHOS 52 53 #endif // SANITIZERD_COLLECTOR_H 54 55