Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/qpack/qpack_decoder_stream_sender.h b/quic/core/qpack/qpack_decoder_stream_sender.h
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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_
