/* * Copyright (C) 2024 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_UTIL_TRACE_BLOB_VIEW_READER_H_ #define SRC_TRACE_PROCESSOR_UTIL_TRACE_BLOB_VIEW_READER_H_ #include <cstddef> #include <optional> #include "perfetto/ext/base/circular_queue.h" #include "perfetto/trace_processor/trace_blob_view.h" namespace perfetto::trace_processor::util { // Helper class which handles all the complexity of reading pieces of data which // span across multiple TraceBlobView chunks. It takes care of: // 1) Buffering data until it can be read. // 2) Stitching together the cross-chunk spanning pieces. // 3) Dropping data when it is no longer necessary to be buffered. class TraceBlobViewReader { … }; } // namespace perfetto::trace_processor::util #endif // SRC_TRACE_PROCESSOR_UTIL_TRACE_BLOB_VIEW_READER_H_