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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ | 5 #ifndef NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |
6 #define NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ | 6 #define NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |
7 | 7 |
8 #include "net/quic/core/quic_types.h" | 8 #include "net/quic/core/quic_types.h" |
| 9 #include "net/quic/platform/api/quic_export.h" |
9 | 10 |
10 namespace net { | 11 namespace net { |
11 | 12 |
12 // Flow control updates per-stream and at the connection levoel. | 13 // Flow control updates per-stream and at the connection levoel. |
13 // Based on SPDY's WINDOW_UPDATE frame, but uses an absolute byte offset rather | 14 // Based on SPDY's WINDOW_UPDATE frame, but uses an absolute byte offset rather |
14 // than a window delta. | 15 // than a window delta. |
15 // TODO(rjshade): A possible future optimization is to make stream_id and | 16 // TODO(rjshade): A possible future optimization is to make stream_id and |
16 // byte_offset variable length, similar to stream frames. | 17 // byte_offset variable length, similar to stream frames. |
17 struct NET_EXPORT_PRIVATE QuicWindowUpdateFrame { | 18 struct QUIC_EXPORT_PRIVATE QuicWindowUpdateFrame { |
18 QuicWindowUpdateFrame() {} | 19 QuicWindowUpdateFrame() {} |
19 QuicWindowUpdateFrame(QuicStreamId stream_id, QuicStreamOffset byte_offset); | 20 QuicWindowUpdateFrame(QuicStreamId stream_id, QuicStreamOffset byte_offset); |
20 | 21 |
21 friend NET_EXPORT_PRIVATE std::ostream& operator<<( | 22 friend QUIC_EXPORT_PRIVATE std::ostream& operator<<( |
22 std::ostream& os, | 23 std::ostream& os, |
23 const QuicWindowUpdateFrame& w); | 24 const QuicWindowUpdateFrame& w); |
24 | 25 |
25 // The stream this frame applies to. 0 is a special case meaning the overall | 26 // The stream this frame applies to. 0 is a special case meaning the overall |
26 // connection rather than a specific stream. | 27 // connection rather than a specific stream. |
27 QuicStreamId stream_id; | 28 QuicStreamId stream_id; |
28 | 29 |
29 // Byte offset in the stream or connection. The receiver of this frame must | 30 // Byte offset in the stream or connection. The receiver of this frame must |
30 // not send data which would result in this offset being exceeded. | 31 // not send data which would result in this offset being exceeded. |
31 QuicStreamOffset byte_offset; | 32 QuicStreamOffset byte_offset; |
32 }; | 33 }; |
33 | 34 |
34 } // namespace net | 35 } // namespace net |
35 | 36 |
36 #endif // NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ | 37 #endif // NET_QUIC_CORE_FRAMES_QUIC_WINDOW_UPDATE_FRAME_H_ |
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