| // Copyright (c) 2016 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_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |
| #define QUICHE_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |
| |
| #include <ostream> |
| |
| #include "quiche/quic/core/frames/quic_inlined_frame.h" |
| #include "quiche/quic/core/quic_constants.h" |
| #include "quiche/quic/core/quic_types.h" |
| |
| namespace quic { |
| |
| // Flow control updates per-stream and at the connection level. |
| // Based on SPDY's WINDOW_UPDATE frame, but uses an absolute max data bytes |
| // rather than a window delta. |
| struct QUIC_EXPORT_PRIVATE QuicWindowUpdateFrame |
| : public QuicInlinedFrame<QuicWindowUpdateFrame> { |
| QuicWindowUpdateFrame(); |
| QuicWindowUpdateFrame(QuicControlFrameId control_frame_id, |
| QuicStreamId stream_id, QuicByteCount max_data); |
| |
| friend QUIC_EXPORT_PRIVATE std::ostream& operator<<( |
| std::ostream& os, const QuicWindowUpdateFrame& w); |
| |
| QuicFrameType type; |
| |
| // A unique identifier of this control frame. 0 when this frame is received, |
| // and non-zero when sent. |
| QuicControlFrameId control_frame_id = kInvalidControlFrameId; |
| |
| // The stream this frame applies to. 0 is a special case meaning the overall |
| // connection rather than a specific stream. |
| QuicStreamId stream_id = 0; |
| |
| // Maximum data allowed in the stream or connection. The receiver of this |
| // frame must not send data which would exceedes this restriction. |
| QuicByteCount max_data = 0; |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |