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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 "net/quic/core/congestion_control/tcp_cubic_sender_base.h" | 5 #include "net/quic/core/congestion_control/tcp_cubic_sender_base.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "net/quic/core/congestion_control/prr_sender.h" | 9 #include "net/quic/core/congestion_control/prr_sender.h" |
10 #include "net/quic/core/congestion_control/rtt_stats.h" | 10 #include "net/quic/core/congestion_control/rtt_stats.h" |
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181 prr_.OnPacketSent(bytes); | 181 prr_.OnPacketSent(bytes); |
182 } | 182 } |
183 DCHECK_LT(largest_sent_packet_number_, packet_number); | 183 DCHECK_LT(largest_sent_packet_number_, packet_number); |
184 largest_sent_packet_number_ = packet_number; | 184 largest_sent_packet_number_ = packet_number; |
185 hybrid_slow_start_.OnPacketSent(packet_number); | 185 hybrid_slow_start_.OnPacketSent(packet_number); |
186 return true; | 186 return true; |
187 } | 187 } |
188 | 188 |
189 QuicTime::Delta TcpCubicSenderBase::TimeUntilSend( | 189 QuicTime::Delta TcpCubicSenderBase::TimeUntilSend( |
190 QuicTime /* now */, | 190 QuicTime /* now */, |
191 QuicByteCount bytes_in_flight) const { | 191 QuicByteCount bytes_in_flight) { |
192 if (!no_prr_ && InRecovery()) { | 192 if (!no_prr_ && InRecovery()) { |
193 // PRR is used when in recovery. | 193 // PRR is used when in recovery. |
194 return prr_.TimeUntilSend(GetCongestionWindow(), bytes_in_flight, | 194 return prr_.TimeUntilSend(GetCongestionWindow(), bytes_in_flight, |
195 GetSlowStartThreshold()); | 195 GetSlowStartThreshold()); |
196 } | 196 } |
197 if (GetCongestionWindow() > bytes_in_flight) { | 197 if (GetCongestionWindow() > bytes_in_flight) { |
198 return QuicTime::Delta::Zero(); | 198 return QuicTime::Delta::Zero(); |
199 } | 199 } |
200 if (min4_mode_ && bytes_in_flight < 4 * kDefaultTCPMSS) { | 200 if (min4_mode_ && bytes_in_flight < 4 * kDefaultTCPMSS) { |
201 return QuicTime::Delta::Zero(); | 201 return QuicTime::Delta::Zero(); |
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273 last_cutback_exited_slowstart_ = false; | 273 last_cutback_exited_slowstart_ = false; |
274 } | 274 } |
275 | 275 |
276 std::string TcpCubicSenderBase::GetDebugState() const { | 276 std::string TcpCubicSenderBase::GetDebugState() const { |
277 return ""; | 277 return ""; |
278 } | 278 } |
279 | 279 |
280 void TcpCubicSenderBase::OnApplicationLimited(QuicByteCount bytes_in_flight) {} | 280 void TcpCubicSenderBase::OnApplicationLimited(QuicByteCount bytes_in_flight) {} |
281 | 281 |
282 } // namespace net | 282 } // namespace net |
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