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 16 #ifndef TRACE_JSON_PARSER_H 17 #define TRACE_JSON_PARSER_H 18 19 #include <map> 20 #include <string> 21 #include <vector> 22 23 namespace OHOS { 24 namespace HiviewDFX { 25 namespace Hitrace { 26 enum TraceType { 27 USER = 0, 28 KERNEL 29 }; 30 31 struct TraceTag { 32 std::string description; 33 uint64_t tag; 34 TraceType type; 35 std::vector<std::string> enablePath; 36 std::vector<std::string> formatPath; 37 }; 38 39 enum TraceJsonInfo : uint8_t { 40 TRACE_SNAPSHOT_BUFSZ = 1, 41 TRACE_TAG_BASE_INFO = 1 << 1, 42 TRACE_TAG_ENABLE_INFO = 1 << 2, 43 TRACE_TAG_FORMAT_INFO = 1 << 3, 44 TRACE_TAG_GROUP_INFO = 1 << 4, 45 TRACE_SNAPSHOT_FILE_AGE = 1 << 5, 46 }; 47 48 enum ParsePolicy : uint8_t { 49 PARSE_NONE = 0, 50 PARSE_TRACE_BUFSZ_INFO = TRACE_SNAPSHOT_BUFSZ, 51 PARSE_TRACE_BASE_INFO = TRACE_TAG_BASE_INFO, 52 PARSE_TRACE_ENABLE_INFO = TRACE_TAG_BASE_INFO | TRACE_TAG_ENABLE_INFO, 53 PARSE_TRACE_FORMAT_INFO = TRACE_TAG_BASE_INFO | TRACE_TAG_FORMAT_INFO, 54 PARSE_TRACE_GROUP_INFO = PARSE_TRACE_ENABLE_INFO | PARSE_TRACE_FORMAT_INFO | TRACE_TAG_GROUP_INFO, 55 PARSE_ALL_INFO = PARSE_TRACE_GROUP_INFO | TRACE_SNAPSHOT_BUFSZ, 56 }; 57 58 class TraceJsonParser { 59 public: 60 TraceJsonParser() = default; 61 bool ParseTraceJson(const uint8_t policy); GetAllTagInfos()62 std::map<std::string, TraceTag>& GetAllTagInfos() { return traceTagInfos_; } GetTagGroups()63 std::map<std::string, std::vector<std::string>>& GetTagGroups() { return tagGroups_; } GetBaseFmtPath()64 std::vector<std::string> GetBaseFmtPath() { return baseTraceFormats_; } GetSnapShotBufSzKb()65 int GetSnapShotBufSzKb() { return snapshotBufSzKb_; } GetSnapShotFileAge()66 bool GetSnapShotFileAge() { return snapshotFileAge_; } 67 68 private: 69 uint8_t parserState_ = PARSE_NONE; 70 std::map<std::string, TraceTag> traceTagInfos_ = {}; 71 std::map<std::string, std::vector<std::string>> tagGroups_ = {}; 72 std::vector<std::string> baseTraceFormats_ = {}; 73 int snapshotBufSzKb_ = 0; 74 bool snapshotFileAge_ = true; 75 }; 76 } // namespace HiTrace 77 } // namespace HiviewDFX 78 } // namespace OHOS 79 #endif // TRACE_JSON_PARSER_H