chromium/net/third_party/quiche/src/quiche/quic/core/quic_stream_send_buffer.h

// Copyright (c) 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef QUICHE_QUIC_CORE_QUIC_STREAM_SEND_BUFFER_H_
#define QUICHE_QUIC_CORE_QUIC_STREAM_SEND_BUFFER_H_

#include "absl/types/span.h"
#include "quiche/quic/core/frames/quic_stream_frame.h"
#include "quiche/quic/core/quic_interval_deque.h"
#include "quiche/quic/core/quic_interval_set.h"
#include "quiche/quic/core/quic_types.h"
#include "quiche/common/platform/api/quiche_mem_slice.h"
#include "quiche/common/quiche_circular_deque.h"

namespace quic {

namespace test {
class QuicStreamSendBufferPeer;
class QuicStreamPeer;
}  // namespace test

class QuicDataWriter;

// BufferedSlice comprises information of a piece of stream data stored in
// contiguous memory space. Please note, BufferedSlice is constructed when
// stream data is saved in send buffer and is removed when stream data is fully
// acked. It is move-only.
struct QUICHE_EXPORT BufferedSlice { … };

struct QUICHE_EXPORT StreamPendingRetransmission { … };

// QuicStreamSendBuffer contains a list of QuicStreamDataSlices. New data slices
// are added to the tail of the list. Data slices are removed from the head of
// the list when they get fully acked. Stream data can be retrieved and acked
// across slice boundaries.
class QUICHE_EXPORT QuicStreamSendBuffer { … };

}  // namespace quic

#endif  // QUICHE_QUIC_CORE_QUIC_STREAM_SEND_BUFFER_H_