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Side by Side Diff: net/quic/congestion_control/paced_sender.h

Issue 183683025: CL generated with data from dead-code analysis using Scythe (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 9 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 // Helper class that limits the congestion window to pace the packets. 5 // Helper class that limits the congestion window to pace the packets.
6 6
7 #ifndef NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_ 7 #ifndef NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_
8 #define NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_ 8 #define NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "net/base/net_export.h" 11 #include "net/base/net_export.h"
12 #include "net/quic/congestion_control/leaky_bucket.h" 12 #include "net/quic/congestion_control/leaky_bucket.h"
13 #include "net/quic/quic_bandwidth.h" 13 #include "net/quic/quic_bandwidth.h"
14 #include "net/quic/quic_time.h" 14 #include "net/quic/quic_time.h"
15 15
16 namespace net { 16 namespace net {
17 17
18 class NET_EXPORT_PRIVATE PacedSender { 18 class NET_EXPORT_PRIVATE PacedSender {
19 public: 19 public:
20 PacedSender(QuicBandwidth bandwidth_estimate, QuicByteCount max_segment_size); 20 PacedSender(QuicBandwidth bandwidth_estimate, QuicByteCount max_segment_size);
21 21
22 void set_max_segment_size(QuicByteCount max_segment_size);
23
24 // The estimated bandidth from the congestion algorithm changed. 22 // The estimated bandidth from the congestion algorithm changed.
25 void UpdateBandwidthEstimate(QuicTime now, QuicBandwidth bandwidth_estimate); 23 void UpdateBandwidthEstimate(QuicTime now, QuicBandwidth bandwidth_estimate);
26 24
27 // A packet of size bytes was sent. 25 // A packet of size bytes was sent.
28 void OnPacketSent(QuicTime now, QuicByteCount bytes); 26 void OnPacketSent(QuicTime now, QuicByteCount bytes);
29 27
30 // Return time until we can send based on the pacing. 28 // Return time until we can send based on the pacing.
31 QuicTime::Delta TimeUntilSend(QuicTime now, QuicTime::Delta time_until_send); 29 QuicTime::Delta TimeUntilSend(QuicTime now, QuicTime::Delta time_until_send);
32 30
33 private: 31 private:
34 // Helper object to track the rate data can leave the buffer for pacing. 32 // Helper object to track the rate data can leave the buffer for pacing.
35 LeakyBucket leaky_bucket_; 33 LeakyBucket leaky_bucket_;
36 QuicBandwidth pace_; 34 QuicBandwidth pace_;
37 QuicByteCount max_segment_size_; 35 QuicByteCount max_segment_size_;
38 36
39 DISALLOW_COPY_AND_ASSIGN(PacedSender); 37 DISALLOW_COPY_AND_ASSIGN(PacedSender);
40 }; 38 };
41 39
42 } // namespace net 40 } // namespace net
43 41
44 #endif // NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_ 42 #endif // NET_QUIC_CONGESTION_CONTROL_PACED_SENDER_H_
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