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Side by Side Diff: net/quic/quic_packet_creator.h

Issue 157803007: Land Recent QUIC Changes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: win_x64 compiler error fix Created 6 years, 10 months ago
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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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179 friend class test::QuicPacketCreatorPeer; 179 friend class test::QuicPacketCreatorPeer;
180 180
181 static bool ShouldRetransmit(const QuicFrame& frame); 181 static bool ShouldRetransmit(const QuicFrame& frame);
182 182
183 // Starts a new FEC group with the next serialized packet, if FEC is enabled 183 // Starts a new FEC group with the next serialized packet, if FEC is enabled
184 // and there is not already an FEC group open. 184 // and there is not already an FEC group open.
185 void MaybeStartFEC(); 185 void MaybeStartFEC();
186 186
187 void FillPacketHeader(QuicFecGroupNumber fec_group, 187 void FillPacketHeader(QuicFecGroupNumber fec_group,
188 bool fec_flag, 188 bool fec_flag,
189 bool fec_entropy_flag,
190 QuicPacketHeader* header); 189 QuicPacketHeader* header);
191 190
192 // Allows a frame to be added without creating retransmittable frames. 191 // Allows a frame to be added without creating retransmittable frames.
193 // Particularly useful for retransmits using SerializeAllFrames(). 192 // Particularly useful for retransmits using SerializeAllFrames().
194 bool AddFrame(const QuicFrame& frame, bool save_retransmittable_frames); 193 bool AddFrame(const QuicFrame& frame, bool save_retransmittable_frames);
195 194
196 // Adds a padding frame to the current packet only if the current packet 195 // Adds a padding frame to the current packet only if the current packet
197 // contains a handshake message, and there is sufficient room to fit a 196 // contains a handshake message, and there is sufficient room to fit a
198 // padding frame. 197 // padding frame.
199 void MaybeAddPadding(); 198 void MaybeAddPadding();
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219 mutable size_t packet_size_; 218 mutable size_t packet_size_;
220 QuicFrames queued_frames_; 219 QuicFrames queued_frames_;
221 scoped_ptr<RetransmittableFrames> queued_retransmittable_frames_; 220 scoped_ptr<RetransmittableFrames> queued_retransmittable_frames_;
222 221
223 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator); 222 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator);
224 }; 223 };
225 224
226 } // namespace net 225 } // namespace net
227 226
228 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_ 227 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_
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