net/filter/zstd_source_stream.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_FILTER_ZSTD_SOURCE_STREAM_H_
#define NET_FILTER_ZSTD_SOURCE_STREAM_H_

#include <memory>

#include "base/memory/scoped_refptr.h"
#include "net/base/io_buffer.h"
#include "net/base/net_export.h"
#include "net/filter/filter_source_stream.h"
#include "net/filter/source_stream.h"

namespace net {

NET_EXPORT_PRIVATE std::unique_ptr<FilterSourceStream> CreateZstdSourceStream(
    std::unique_ptr<SourceStream> previous);

NET_EXPORT_PRIVATE std::unique_ptr<FilterSourceStream>
CreateZstdSourceStreamWithDictionary(std::unique_ptr<SourceStream> upstream,
                                     scoped_refptr<IOBuffer> dictionary,
                                     size_t dictionary_size);

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class ZstdDecodingStatus {
  kDecodingInProgress = 0,
  kEndOfFrame = 1,
  kDecodingError = 2,
  kMaxValue = kDecodingError,
};

}  // namespace net

#endif  // NET_FILTER_ZSTD_SOURCE_STREAM_H_