blob: 8c9a764345f9165ffb29c4d0dee4f12f5a707bf8 [file] [log] [blame]
// Copyright 2019 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 "absl/strings/string_view.h"
#include "quiche/quic/core/qpack/qpack_stream_sender_delegate.h"
#include "quiche/quic/core/quic_stream.h"
#include "quiche/quic/platform/api/quic_export.h"
#include "quiche/common/platform/api/quiche_logging.h"
namespace quic {
class QuicSession;
// QPACK 4.2.1 Encoder and Decoder Streams.
// The QPACK send stream is self initiated and is write only.
class QUIC_EXPORT_PRIVATE QpackSendStream : public QuicStream,
public QpackStreamSenderDelegate {
// |session| can't be nullptr, and the ownership is not passed. |session| owns
// this stream.
QpackSendStream(QuicStreamId id, QuicSession* session,
uint64_t http3_stream_type);
QpackSendStream(const QpackSendStream&) = delete;
QpackSendStream& operator=(const QpackSendStream&) = delete;
~QpackSendStream() override = default;
// Overriding QuicStream::OnStopSending() to make sure QPACK stream is never
// closed before connection.
void OnStreamReset(const QuicRstStreamFrame& frame) override;
bool OnStopSending(QuicResetStreamError code) override;
// The send QPACK stream is write unidirectional, so this method
// should never be called.
void OnDataAvailable() override { QUICHE_NOTREACHED(); }
// Writes the instructions to peer. The stream type will be sent
// before the first instruction so that the peer can open an qpack stream.
void WriteStreamData(absl::string_view data) override;
// Return the number of bytes buffered due to underlying stream being blocked.
uint64_t NumBytesBuffered() const override;
// TODO(b/112770235): Remove this method once QuicStreamIdManager supports
// creating HTTP/3 unidirectional streams dynamically.
void MaybeSendStreamType();
const uint64_t http3_stream_type_;
bool stream_type_sent_;
} // namespace quic