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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 #include "base/basictypes.h" | 5 #include "base/basictypes.h" |
6 #include "net/quic/congestion_control/tcp_receiver.h" | 6 #include "net/quic/congestion_control/tcp_receiver.h" |
7 | 7 |
8 namespace net { | 8 namespace net { |
9 | 9 |
| 10 // Originally 64K bytes, but increased it to 256K to support higher bitrates. |
10 // static | 11 // static |
11 // Originally 64K bytes for TCP, setting it to 256K to support higher bitrates. | |
12 const QuicByteCount TcpReceiver::kReceiveWindowTCP = 256000; | 12 const QuicByteCount TcpReceiver::kReceiveWindowTCP = 256000; |
13 | 13 |
14 TcpReceiver::TcpReceiver() | 14 TcpReceiver::TcpReceiver() |
15 : accumulated_number_of_recoverd_lost_packets_(0), | 15 : accumulated_number_of_recoverd_lost_packets_(0), |
16 receive_window_(kReceiveWindowTCP) { | 16 receive_window_(kReceiveWindowTCP) { |
17 } | 17 } |
18 | 18 |
19 bool TcpReceiver::GenerateCongestionFeedback( | 19 bool TcpReceiver::GenerateCongestionFeedback( |
20 QuicCongestionFeedbackFrame* feedback) { | 20 QuicCongestionFeedbackFrame* feedback) { |
21 feedback->type = kTCP; | 21 feedback->type = kTCP; |
22 feedback->tcp.accumulated_number_of_lost_packets = | 22 feedback->tcp.accumulated_number_of_lost_packets = |
23 accumulated_number_of_recoverd_lost_packets_; | 23 accumulated_number_of_recoverd_lost_packets_; |
24 feedback->tcp.receive_window = receive_window_; | 24 feedback->tcp.receive_window = receive_window_; |
25 return true; | 25 return true; |
26 } | 26 } |
27 | 27 |
28 void TcpReceiver::RecordIncomingPacket(QuicByteCount bytes, | 28 void TcpReceiver::RecordIncomingPacket(QuicByteCount bytes, |
29 QuicPacketSequenceNumber sequence_number, | 29 QuicPacketSequenceNumber sequence_number, |
30 QuicTime timestamp, | 30 QuicTime timestamp, |
31 bool revived) { | 31 bool revived) { |
32 if (revived) { | 32 if (revived) { |
33 ++accumulated_number_of_recoverd_lost_packets_; | 33 ++accumulated_number_of_recoverd_lost_packets_; |
34 } | 34 } |
35 } | 35 } |
36 | 36 |
37 } // namespace net | 37 } // namespace net |
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