1 /* 2 * Copyright (c) 2021 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 HTRACE_NATIVE_HOOK_PARSER_H 16 #define HTRACE_NATIVE_HOOK_PARSER_H 17 #include <cstdint> 18 #include <map> 19 #include <set> 20 #include <string> 21 #include "common_types.h" 22 #include "event_parser_base.h" 23 #include "htrace_event_parser.h" 24 #include "htrace_plugin_time_parser.h" 25 #include "native_hook_filter.h" 26 #include "offline_symbolization_filter.h" 27 #include "trace_streamer_config.h" 28 #include "trace_streamer_filters.h" 29 namespace SysTuning { 30 namespace TraceStreamer { 31 class HtraceNativeHookParser : public EventParserBase, public HtracePluginTimeParser { 32 public: 33 HtraceNativeHookParser(TraceDataCache* dataCache, const TraceStreamerFilters* ctx); 34 ~HtraceNativeHookParser(); 35 void ParseConfigInfo(HtraceDataSegment& dataSeg); 36 void Parse(HtraceDataSegment& dataSeg, bool& haveSplitSeg); 37 void FinishSplitNativeHook(); 38 void FinishParseNativeHookData(); 39 void Finish(); NativeHookReloadElfSymbolTable(const std::vector<std::unique_ptr<SymbolsFile>> & symbolsFile)40 bool NativeHookReloadElfSymbolTable(const std::vector<std::unique_ptr<SymbolsFile>>& symbolsFile) 41 { 42 return nativeHookFilter_->NativeHookReloadElfSymbolTable(symbolsFile); 43 } 44 45 private: 46 void ParseNativeHookAuxiliaryEvent(std::unique_ptr<NativeHookMetaData>& nativeHookMetaData); 47 void ParseFileEvent(const ProtoReader::BytesView& bytesView); 48 void ParseSymbolEvent(const ProtoReader::BytesView& bytesView); 49 void ParseThreadEvent(const ProtoReader::BytesView& bytesView); 50 void ParseFrameMap(std::unique_ptr<NativeHookMetaData>& nativeHookMetaData); 51 bool ParseStackMap(const ProtoReader::BytesView& bytesView); 52 void SplitHookData(std::unique_ptr<NativeHookMetaData>& nativeHookMetaData, bool& haveSplitSeg); 53 54 private: 55 std::vector<std::shared_ptr<const std::string>> segs_ = {}; 56 std::unique_ptr<NativeHookFilter> nativeHookFilter_; 57 uint64_t hookBootTime_ = 0; 58 bool isCommData_ = false; 59 }; 60 } // namespace TraceStreamer 61 } // namespace SysTuning 62 63 #endif // HTRACE_NATIVE_HOOK_PARSER_H 64