| // 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. |
| |
| #ifndef QUICHE_QUIC_CORE_HTTP_QUIC_SEND_CONTROL_STREAM_H_ |
| #define QUICHE_QUIC_CORE_HTTP_QUIC_SEND_CONTROL_STREAM_H_ |
| |
| #include "quic/core/http/http_encoder.h" |
| #include "quic/core/quic_stream.h" |
| #include "quic/core/quic_types.h" |
| #include "quic/platform/api/quic_export.h" |
| #include "quic/platform/api/quic_logging.h" |
| |
| namespace quic { |
| |
| class QuicSpdySession; |
| |
| // 6.2.1 Control Stream. |
| // The send control stream is self initiated and is write only. |
| class QUIC_EXPORT_PRIVATE QuicSendControlStream : public QuicStream { |
| public: |
| // |session| can't be nullptr, and the ownership is not passed. The stream can |
| // only be accessed through the session. |
| QuicSendControlStream(QuicStreamId id, |
| QuicSpdySession* session, |
| const SettingsFrame& settings); |
| QuicSendControlStream(const QuicSendControlStream&) = delete; |
| QuicSendControlStream& operator=(const QuicSendControlStream&) = delete; |
| ~QuicSendControlStream() override = default; |
| |
| // Overriding QuicStream::OnStopSending() to make sure control stream is never |
| // closed before connection. |
| void OnStreamReset(const QuicRstStreamFrame& frame) override; |
| bool OnStopSending(QuicResetStreamError code) override; |
| |
| // Send SETTINGS frame if it hasn't been sent yet. Settings frame must be the |
| // first frame sent on this stream. |
| void MaybeSendSettingsFrame(); |
| |
| // Send a PRIORITY_UPDATE frame on this stream, and a SETTINGS frame |
| // beforehand if one has not been already sent. |
| void WritePriorityUpdate(const PriorityUpdateFrame& priority_update); |
| |
| // Send a GOAWAY frame on this stream, and a SETTINGS frame beforehand if one |
| // has not been already sent. |
| void SendGoAway(QuicStreamId id); |
| |
| // The send control stream is write unidirectional, so this method should |
| // never be called. |
| void OnDataAvailable() override { QUIC_NOTREACHED(); } |
| |
| private: |
| // Track if a settings frame is already sent. |
| bool settings_sent_; |
| |
| // SETTINGS values to send. |
| const SettingsFrame settings_; |
| |
| QuicSpdySession* const spdy_session_; |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_HTTP_QUIC_SEND_CONTROL_STREAM_H_ |