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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "net/quic/congestion_control/timestamp_receiver.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/basictypes.h" | |
10 | |
11 namespace net { | |
12 | |
13 TimestampReceiver::TimestampReceiver() { | |
14 } | |
15 | |
16 TimestampReceiver::~TimestampReceiver() { | |
17 } | |
18 | |
19 bool TimestampReceiver::GenerateCongestionFeedback( | |
20 QuicCongestionFeedbackFrame* feedback) { | |
21 if (received_packet_times_.size() <= 1) { | |
22 // Don't waste resources by sending a feedback frame for only one packet. | |
23 return false; | |
24 } | |
25 feedback->type = kTimestamp; | |
26 | |
27 // Copy our current receive set to our feedback message, we will not resend | |
28 // this data if it is lost. | |
29 feedback->timestamp.received_packet_times = received_packet_times_; | |
30 | |
31 // Prepare for the next set of arriving packets by clearing our current set. | |
32 received_packet_times_.clear(); | |
33 return true; | |
34 } | |
35 | |
36 void TimestampReceiver::RecordIncomingPacket( | |
37 QuicByteCount /*bytes*/, | |
38 QuicPacketSequenceNumber sequence_number, | |
39 QuicTime timestamp) { | |
40 received_packet_times_.insert(std::make_pair(sequence_number, timestamp)); | |
41 } | |
42 | |
43 } // namespace net | |
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