| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_TRACKER_H_ |
| #define SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_TRACKER_H_ |
| |
| #include "src/trace_processor/importers/json/json_utils.h" |
| #include "src/trace_processor/types/destructible.h" |
| #include "src/trace_processor/types/trace_processor_context.h" |
| |
| namespace Json { |
| class Value; |
| } |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| class JsonTracker : public Destructible { |
| public: |
| JsonTracker(const JsonTracker&) = delete; |
| JsonTracker& operator=(const JsonTracker&) = delete; |
| explicit JsonTracker(TraceProcessorContext*); |
| virtual ~JsonTracker(); |
| |
| static JsonTracker* GetOrCreate(TraceProcessorContext* context) { |
| if (!context->json_tracker) { |
| context->json_tracker.reset(new JsonTracker(context)); |
| } |
| return static_cast<JsonTracker*>(context->json_tracker.get()); |
| } |
| |
| void SetTimeUnit(json::TimeUnit time_unit) { time_unit_ = time_unit; } |
| |
| base::Optional<int64_t> CoerceToTs(const Json::Value& value) { |
| return json::CoerceToTs(time_unit_, value); |
| } |
| |
| private: |
| json::TimeUnit time_unit_ = json::TimeUnit::kUs; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_TRACKER_H_ |