Index: net/quic/quic_sustained_bandwidth_recorder.h |
diff --git a/net/quic/quic_sustained_bandwidth_recorder.h b/net/quic/quic_sustained_bandwidth_recorder.h |
deleted file mode 100644 |
index bc0d1b802ac345a4ed95d0d13a5f35b016a700f2..0000000000000000000000000000000000000000 |
--- a/net/quic/quic_sustained_bandwidth_recorder.h |
+++ /dev/null |
@@ -1,93 +0,0 @@ |
-// Copyright 2014 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |
-#define NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |
- |
-#include <stdint.h> |
- |
-#include "base/logging.h" |
-#include "base/macros.h" |
-#include "net/quic/quic_bandwidth.h" |
-#include "net/quic/quic_time.h" |
- |
-namespace net { |
- |
-namespace test { |
-class QuicSustainedBandwidthRecorderPeer; |
-} // namespace test |
- |
-// This class keeps track of a sustained bandwidth estimate to ultimately send |
-// to the client in a server config update message. A sustained bandwidth |
-// estimate is only marked as valid if the QuicSustainedBandwidthRecorder has |
-// been given uninterrupted reliable estimates over a certain period of time. |
-class NET_EXPORT_PRIVATE QuicSustainedBandwidthRecorder { |
- public: |
- QuicSustainedBandwidthRecorder(); |
- |
- // As long as |in_recovery| is consistently false, multiple calls to this |
- // method over a 3 * srtt period results in storage of a valid sustained |
- // bandwidth estimate. |
- // |time_now| is used as a max bandwidth timestamp if needed. |
- void RecordEstimate(bool in_recovery, |
- bool in_slow_start, |
- QuicBandwidth bandwidth, |
- QuicTime estimate_time, |
- QuicWallTime wall_time, |
- QuicTime::Delta srtt); |
- |
- bool HasEstimate() const { return has_estimate_; } |
- |
- QuicBandwidth BandwidthEstimate() const { |
- DCHECK(has_estimate_); |
- return bandwidth_estimate_; |
- } |
- |
- QuicBandwidth MaxBandwidthEstimate() const { |
- DCHECK(has_estimate_); |
- return max_bandwidth_estimate_; |
- } |
- |
- int64_t MaxBandwidthTimestamp() const { |
- DCHECK(has_estimate_); |
- return max_bandwidth_timestamp_; |
- } |
- |
- bool EstimateRecordedDuringSlowStart() const { |
- DCHECK(has_estimate_); |
- return bandwidth_estimate_recorded_during_slow_start_; |
- } |
- |
- private: |
- friend class test::QuicSustainedBandwidthRecorderPeer; |
- |
- // True if we have been able to calculate sustained bandwidth, over at least |
- // one recording period (3 * rtt). |
- bool has_estimate_; |
- |
- // True if the last call to RecordEstimate had a reliable estimate. |
- bool is_recording_; |
- |
- // True if the current sustained bandwidth estimate was generated while in |
- // slow start. |
- bool bandwidth_estimate_recorded_during_slow_start_; |
- |
- // The latest sustained bandwidth estimate. |
- QuicBandwidth bandwidth_estimate_; |
- |
- // The maximum sustained bandwidth seen over the lifetime of the connection. |
- QuicBandwidth max_bandwidth_estimate_; |
- |
- // Timestamp indicating when the max_bandwidth_estimate_ was seen. |
- int64_t max_bandwidth_timestamp_; |
- |
- // Timestamp marking the beginning of the latest recording period. |
- QuicTime start_time_; |
- |
- DISALLOW_COPY_AND_ASSIGN(QuicSustainedBandwidthRecorder); |
-}; |
- |
-} // namespace net |
- |
-#endif // NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |