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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Accumulates frames for the next packet until more frames no longer fit or | 5 // Accumulates frames for the next packet until more frames no longer fit or |
6 // it's time to create a packet from them. Also provides packet creation of | 6 // it's time to create a packet from them. Also provides packet creation of |
7 // FEC packets based on previously created packets. | 7 // FEC packets based on previously created packets. |
8 | 8 |
9 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_ | 9 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_ |
10 #define NET_QUIC_QUIC_PACKET_CREATOR_H_ | 10 #define NET_QUIC_QUIC_PACKET_CREATOR_H_ |
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62 void StopSendingVersion(); | 62 void StopSendingVersion(); |
63 | 63 |
64 // Update the sequence number length to use in future packets as soon as it | 64 // Update the sequence number length to use in future packets as soon as it |
65 // can be safely changed. | 65 // can be safely changed. |
66 void UpdateSequenceNumberLength( | 66 void UpdateSequenceNumberLength( |
67 QuicPacketSequenceNumber least_packet_awaited_by_peer, | 67 QuicPacketSequenceNumber least_packet_awaited_by_peer, |
68 QuicByteCount congestion_window); | 68 QuicByteCount congestion_window); |
69 | 69 |
70 // The overhead the framing will add for a packet with one frame. | 70 // The overhead the framing will add for a packet with one frame. |
71 static size_t StreamFramePacketOverhead( | 71 static size_t StreamFramePacketOverhead( |
72 QuicVersion version, | |
73 QuicConnectionIdLength connection_id_length, | 72 QuicConnectionIdLength connection_id_length, |
74 bool include_version, | 73 bool include_version, |
75 QuicSequenceNumberLength sequence_number_length, | 74 QuicSequenceNumberLength sequence_number_length, |
76 QuicStreamOffset offset, | 75 QuicStreamOffset offset, |
77 InFecGroup is_in_fec_group); | 76 InFecGroup is_in_fec_group); |
78 | 77 |
79 bool HasRoomForStreamFrame(QuicStreamId id, QuicStreamOffset offset) const; | 78 bool HasRoomForStreamFrame(QuicStreamId id, QuicStreamOffset offset) const; |
80 | 79 |
81 // Converts a raw payload to a frame which fits into the currently open | 80 // Converts a raw payload to a frame which fits into the currently open |
82 // packet if there is one. Returns the number of bytes consumed from data. | 81 // packet if there is one. Returns the number of bytes consumed from data. |
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288 mutable size_t packet_size_; | 287 mutable size_t packet_size_; |
289 QuicFrames queued_frames_; | 288 QuicFrames queued_frames_; |
290 scoped_ptr<RetransmittableFrames> queued_retransmittable_frames_; | 289 scoped_ptr<RetransmittableFrames> queued_retransmittable_frames_; |
291 | 290 |
292 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator); | 291 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator); |
293 }; | 292 }; |
294 | 293 |
295 } // namespace net | 294 } // namespace net |
296 | 295 |
297 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_ | 296 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_ |
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