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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 "quic/core/qpack/qpack_instruction_encoder.h"
#include "quic/core/qpack/qpack_stream_sender_delegate.h"
#include "quic/core/quic_types.h"
#include "quic/platform/api/quic_export.h"
namespace quic {
// This class serializes instructions for transmission on the decoder stream.
// Serialized instructions are buffered until Flush() is called.
class QUIC_EXPORT_PRIVATE QpackDecoderStreamSender {
public:
QpackDecoderStreamSender();
QpackDecoderStreamSender(const QpackDecoderStreamSender&) = delete;
QpackDecoderStreamSender& operator=(const QpackDecoderStreamSender&) = delete;
// Methods for serializing and buffering 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);
// Writes all buffered instructions on the decoder stream.
void Flush();
// delegate must be set if dynamic table capacity is not zero.
void set_qpack_stream_sender_delegate(QpackStreamSenderDelegate* delegate) {
delegate_ = delegate;
}
private:
QpackStreamSenderDelegate* delegate_;
QpackInstructionEncoder instruction_encoder_;
std::string buffer_;
};
} // namespace quic
#endif // QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_STREAM_SENDER_H_