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

Issue 424003002: Inline the members of QUIC's ReceivedPacketInfo into QuicAckFrame now (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@remove_FixRate_congestion_type_71746617
Patch Set: Created 6 years, 4 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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_QUIC_SENT_PACKET_MANAGER_H_ 5 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
6 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ 6 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
7 7
8 #include <deque> 8 #include <deque>
9 #include <list> 9 #include <list>
10 #include <map> 10 #include <map>
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58 QuicTime sent_time, 58 QuicTime sent_time,
59 QuicByteCount bytes) {} 59 QuicByteCount bytes) {}
60 60
61 virtual void OnRetransmittedPacket( 61 virtual void OnRetransmittedPacket(
62 QuicPacketSequenceNumber old_sequence_number, 62 QuicPacketSequenceNumber old_sequence_number,
63 QuicPacketSequenceNumber new_sequence_number, 63 QuicPacketSequenceNumber new_sequence_number,
64 TransmissionType transmission_type, 64 TransmissionType transmission_type,
65 QuicTime time) {} 65 QuicTime time) {}
66 66
67 virtual void OnIncomingAck( 67 virtual void OnIncomingAck(
68 const ReceivedPacketInfo& received_info, 68 const QuicAckFrame& ack_frame,
69 QuicTime ack_receive_time, 69 QuicTime ack_receive_time,
70 QuicPacketSequenceNumber largest_observed, 70 QuicPacketSequenceNumber largest_observed,
71 bool largest_observed_acked, 71 bool largest_observed_acked,
72 QuicPacketSequenceNumber least_unacked_sent_packet) {} 72 QuicPacketSequenceNumber least_unacked_sent_packet) {}
73 }; 73 };
74 74
75 // Interface which gets callbacks from the QuicSentPacketManager when 75 // Interface which gets callbacks from the QuicSentPacketManager when
76 // network-related state changes. Implementations must not mutate the 76 // network-related state changes. Implementations must not mutate the
77 // state of the packet manager as a result of these callbacks. 77 // state of the packet manager as a result of these callbacks.
78 class NET_EXPORT_PRIVATE NetworkChangeVisitor { 78 class NET_EXPORT_PRIVATE NetworkChangeVisitor {
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115 // retransmittable data, it will be added to the unacked packet map. 115 // retransmittable data, it will be added to the unacked packet map.
116 void OnSerializedPacket(const SerializedPacket& serialized_packet); 116 void OnSerializedPacket(const SerializedPacket& serialized_packet);
117 117
118 // Called when a packet is retransmitted with a new sequence number. 118 // Called when a packet is retransmitted with a new sequence number.
119 // Replaces the old entry in the unacked packet map with the new 119 // Replaces the old entry in the unacked packet map with the new
120 // sequence number. 120 // sequence number.
121 void OnRetransmittedPacket(QuicPacketSequenceNumber old_sequence_number, 121 void OnRetransmittedPacket(QuicPacketSequenceNumber old_sequence_number,
122 QuicPacketSequenceNumber new_sequence_number); 122 QuicPacketSequenceNumber new_sequence_number);
123 123
124 // Processes the incoming ack. 124 // Processes the incoming ack.
125 void OnIncomingAck(const ReceivedPacketInfo& received_info, 125 void OnIncomingAck(const QuicAckFrame& ack_frame,
126 QuicTime ack_receive_time); 126 QuicTime ack_receive_time);
127 127
128 // Returns true if the non-FEC packet |sequence_number| is unacked. 128 // Returns true if the non-FEC packet |sequence_number| is unacked.
129 bool IsUnacked(QuicPacketSequenceNumber sequence_number) const; 129 bool IsUnacked(QuicPacketSequenceNumber sequence_number) const;
130 130
131 // Requests retransmission of all unacked packets of |retransmission_type|. 131 // Requests retransmission of all unacked packets of |retransmission_type|.
132 void RetransmitUnackedPackets(RetransmissionType retransmission_type); 132 void RetransmitUnackedPackets(RetransmissionType retransmission_type);
133 133
134 // Retransmits the oldest pending packet there is still a tail loss probe 134 // Retransmits the oldest pending packet there is still a tail loss probe
135 // pending. Invoked after OnRetransmissionTimeout. 135 // pending. Invoked after OnRetransmissionTimeout.
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243 HANDSHAKE_MODE, 243 HANDSHAKE_MODE,
244 // Re-invoke the loss detection when a packet is not acked before the 244 // Re-invoke the loss detection when a packet is not acked before the
245 // loss detection algorithm expects. 245 // loss detection algorithm expects.
246 LOSS_MODE, 246 LOSS_MODE,
247 }; 247 };
248 248
249 typedef linked_hash_map<QuicPacketSequenceNumber, 249 typedef linked_hash_map<QuicPacketSequenceNumber,
250 TransmissionType> PendingRetransmissionMap; 250 TransmissionType> PendingRetransmissionMap;
251 251
252 // Process the incoming ack looking for newly ack'd data packets. 252 // Process the incoming ack looking for newly ack'd data packets.
253 void HandleAckForSentPackets(const ReceivedPacketInfo& received_info); 253 void HandleAckForSentPackets(const QuicAckFrame& ack_frame);
254 254
255 // Returns the current retransmission mode. 255 // Returns the current retransmission mode.
256 RetransmissionTimeoutMode GetRetransmissionMode() const; 256 RetransmissionTimeoutMode GetRetransmissionMode() const;
257 257
258 // Retransmits all crypto stream packets. 258 // Retransmits all crypto stream packets.
259 void RetransmitCryptoPackets(); 259 void RetransmitCryptoPackets();
260 260
261 // Retransmits all the packets and abandons by invoking a full RTO. 261 // Retransmits all the packets and abandons by invoking a full RTO.
262 void RetransmitAllPackets(); 262 void RetransmitAllPackets();
263 263
264 // Returns the timer for retransmitting crypto handshake packets. 264 // Returns the timer for retransmitting crypto handshake packets.
265 const QuicTime::Delta GetCryptoRetransmissionDelay() const; 265 const QuicTime::Delta GetCryptoRetransmissionDelay() const;
266 266
267 // Returns the timer for a new tail loss probe. 267 // Returns the timer for a new tail loss probe.
268 const QuicTime::Delta GetTailLossProbeDelay() const; 268 const QuicTime::Delta GetTailLossProbeDelay() const;
269 269
270 // Returns the retransmission timeout, after which a full RTO occurs. 270 // Returns the retransmission timeout, after which a full RTO occurs.
271 const QuicTime::Delta GetRetransmissionDelay() const; 271 const QuicTime::Delta GetRetransmissionDelay() const;
272 272
273 // Update the RTT if the ack is for the largest acked sequence number. 273 // Update the RTT if the ack is for the largest acked sequence number.
274 // Returns true if the rtt was updated. 274 // Returns true if the rtt was updated.
275 bool MaybeUpdateRTT(const ReceivedPacketInfo& received_info, 275 bool MaybeUpdateRTT(const QuicAckFrame& ack_frame,
276 const QuicTime& ack_receive_time); 276 const QuicTime& ack_receive_time);
277 277
278 // Invokes the loss detection algorithm and loses and retransmits packets if 278 // Invokes the loss detection algorithm and loses and retransmits packets if
279 // necessary. 279 // necessary.
280 void InvokeLossDetection(QuicTime time); 280 void InvokeLossDetection(QuicTime time);
281 281
282 // Invokes OnCongestionEvent if |rtt_updated| is true, there are pending acks, 282 // Invokes OnCongestionEvent if |rtt_updated| is true, there are pending acks,
283 // or pending losses. Clears pending acks and pending losses afterwards. 283 // or pending losses. Clears pending acks and pending losses afterwards.
284 // |bytes_in_flight| is the number of bytes in flight before the losses or 284 // |bytes_in_flight| is the number of bytes in flight before the losses or
285 // acks. 285 // acks.
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361 // Sets of packets acked and lost as a result of the last congestion event. 361 // Sets of packets acked and lost as a result of the last congestion event.
362 SendAlgorithmInterface::CongestionMap packets_acked_; 362 SendAlgorithmInterface::CongestionMap packets_acked_;
363 SendAlgorithmInterface::CongestionMap packets_lost_; 363 SendAlgorithmInterface::CongestionMap packets_lost_;
364 364
365 DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager); 365 DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
366 }; 366 };
367 367
368 } // namespace net 368 } // namespace net
369 369
370 #endif // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ 370 #endif // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
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