naiveproxy/net/quic/platform/api/quic_clock.cc

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2018-02-02 13:49:39 +03:00
// Copyright (c) 2012 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.
#include "net/quic/platform/api/quic_clock.h"
namespace net {
QuicClock::QuicClock() {}
QuicClock::~QuicClock() {}
QuicTime QuicClock::ConvertWallTimeToQuicTime(
const QuicWallTime& walltime) const {
// ..........................
// | | |
// unix epoch |walltime| WallNow()
// ..........................
// | | |
// clock epoch | Now()
// result
//
// result = Now() - (WallNow() - walltime)
return Now() - QuicTime::Delta::FromMicroseconds(
WallNow()
.Subtract(QuicTime::Delta::FromMicroseconds(
walltime.ToUNIXMicroseconds()))
.ToUNIXMicroseconds());
}
} // namespace net