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// Copyright (c) 2018 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_QPACK_QPACK_DECODER_STREAM_SENDER_H_
#define QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_STREAM_SENDER_H_
#include <cstdint>
#include "net/third_party/quiche/src/quic/core/qpack/qpack_instruction_encoder.h"
#include "net/third_party/quiche/src/quic/core/quic_types.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
namespace quic {
// This class serializes (encodes) instructions for transmission on the decoder
// stream.
class QUIC_EXPORT_PRIVATE QpackDecoderStreamSender {
public:
// An interface for handling encoded data.
class Delegate {
public:
virtual ~Delegate() = default;
// Encoded |data| is ready to be written on the decoder stream.
// WriteDecoderStreamData() is called exactly once for each instruction.
// |data| contains the entire encoded instruction and it is guaranteed to be
// not empty.
virtual void WriteDecoderStreamData(QuicStringPiece data) = 0;
};
explicit QpackDecoderStreamSender(Delegate* delegate);
QpackDecoderStreamSender() = delete;
QpackDecoderStreamSender(const QpackDecoderStreamSender&) = delete;
QpackDecoderStreamSender& operator=(const QpackDecoderStreamSender&) = delete;
// Methods for sending instructions, see
// https://quicwg.org/base-drafts/draft-ietf-quic-qpack.html#rfc.section.5.3
// 5.3.1 Insert Count Increment
void SendInsertCountIncrement(uint64_t increment);
// 5.3.2 Header Acknowledgement
void SendHeaderAcknowledgement(QuicStreamId stream_id);
// 5.3.3 Stream Cancellation
void SendStreamCancellation(QuicStreamId stream_id);
private:
Delegate* const delegate_;
QpackInstructionEncoder instruction_encoder_;
};
} // namespace quic
#endif // QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_STREAM_SENDER_H_