quic_clock_skew_detector.cc 911 B

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  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
  3. // found in the LICENSE file.
  4. #include "net/quic/quic_clock_skew_detector.h"
  5. namespace net {
  6. QuicClockSkewDetector::QuicClockSkewDetector(base::TimeTicks ticks_time,
  7. base::Time wall_time)
  8. : last_ticks_time_(ticks_time), last_wall_time_(wall_time) {}
  9. bool QuicClockSkewDetector::ClockSkewDetected(base::TimeTicks ticks_now,
  10. base::Time wall_now) {
  11. base::TimeDelta ticks_delta = ticks_now - last_ticks_time_;
  12. base::TimeDelta wall_delta = wall_now - last_wall_time_;
  13. base::TimeDelta offset = wall_delta - ticks_delta;
  14. last_wall_time_ = wall_now;
  15. last_ticks_time_ = ticks_now;
  16. if (offset < base::Seconds(1))
  17. return false;
  18. return true;
  19. }
  20. } // namespace net