| /* |
| * Copyright (C) 2019 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 INCLUDE_PERFETTO_TRACE_PROCESSOR_TRACE_PROCESSOR_STORAGE_H_ |
| #define INCLUDE_PERFETTO_TRACE_PROCESSOR_TRACE_PROCESSOR_STORAGE_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "perfetto/base/export.h" |
| #include "perfetto/trace_processor/basic_types.h" |
| #include "perfetto/trace_processor/status.h" |
| #include "perfetto/trace_processor/trace_blob.h" |
| #include "perfetto/trace_processor/trace_blob_view.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| // Coordinates the loading of traces from an arbitrary source. |
| class PERFETTO_EXPORT_COMPONENT TraceProcessorStorage { |
| public: |
| // Creates a new instance of TraceProcessorStorage. |
| static std::unique_ptr<TraceProcessorStorage> CreateInstance(const Config&); |
| |
| virtual ~TraceProcessorStorage(); |
| |
| // The entry point to push trace data into the processor. The trace format |
| // will be automatically discovered on the first push call. It is possible |
| // to make queries between two pushes. |
| // Returns the Ok status if parsing has been succeeding so far, and Error |
| // status if some unrecoverable error happened. If this happens, the |
| // TraceProcessor will ignore the following Parse() requests, drop data on the |
| // floor and return errors forever. |
| virtual util::Status Parse(TraceBlobView) = 0; |
| |
| // Shorthand for Parse(TraceBlobView(TraceBlob(TakeOwnership(buf, size))). |
| // For compatibility with older API clients. |
| util::Status Parse(std::unique_ptr<uint8_t[]> buf, size_t size); |
| |
| // Forces all data in the trace to be pushed to tables without buffering data |
| // in sorting queues. This is useful if queries need to be performed to |
| // compute post-processing data (e.g. deobfuscation, symbolization etc) which |
| // will be appended to the trace in a future call to Parse. |
| virtual void Flush() = 0; |
| |
| // Calls Flush and finishes all of the actions required for parsing the trace. |
| // Should only be called once: in v28, calling this function multiple times |
| // will simply log an error but in subsequent versions, this will become |
| // undefined behaviour. |
| virtual void NotifyEndOfFile() = 0; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // INCLUDE_PERFETTO_TRACE_PROCESSOR_TRACE_PROCESSOR_STORAGE_H_ |