blob: 61c2773a62e5d7148a43e73e7d0eff70f43d0eb0 [file] [log] [blame]
// 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.
#include <cstdint>
#include "net/third_party/quiche/src/quic/core/qpack/qpack_instruction_decoder.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 decodes data received on the decoder stream,
// and passes it along to its Delegate.
class QUIC_EXPORT_PRIVATE QpackDecoderStreamReceiver
: public QpackInstructionDecoder::Delegate {
// An interface for handling instructions decoded from the decoder stream, see
class Delegate {
virtual ~Delegate() = default;
// 5.3.1 Insert Count Increment
virtual void OnInsertCountIncrement(uint64_t increment) = 0;
// 5.3.2 Header Acknowledgement
virtual void OnHeaderAcknowledgement(QuicStreamId stream_id) = 0;
// 5.3.3 Stream Cancellation
virtual void OnStreamCancellation(QuicStreamId stream_id) = 0;
// Decoding error
virtual void OnErrorDetected(QuicStringPiece error_message) = 0;
explicit QpackDecoderStreamReceiver(Delegate* delegate);
QpackDecoderStreamReceiver() = delete;
QpackDecoderStreamReceiver(const QpackDecoderStreamReceiver&) = delete;
QpackDecoderStreamReceiver& operator=(const QpackDecoderStreamReceiver&) =
// Decode data and call appropriate Delegate method after each decoded
// instruction. Once an error occurs, Delegate::OnErrorDetected() is called,
// and all further data is ignored.
void Decode(QuicStringPiece data);
// QpackInstructionDecoder::Delegate implementation.
bool OnInstructionDecoded(const QpackInstruction* instruction) override;
void OnError(QuicStringPiece error_message) override;
QpackInstructionDecoder instruction_decoder_;
Delegate* const delegate_;
// True if a decoding error has been detected.
bool error_detected_;
} // namespace quic