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40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/quic/platform/impl/quic_chromium_clock.h"
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#include "base/memory/singleton.h"
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#include "base/time/time.h"
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namespace net {
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QuicChromiumClock* QuicChromiumClock::GetInstance() {
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return base::Singleton<QuicChromiumClock>::get();
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}
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QuicChromiumClock::QuicChromiumClock() {}
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QuicChromiumClock::~QuicChromiumClock() {}
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QuicTime QuicChromiumClock::ApproximateNow() const {
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// At the moment, Chrome does not have a distinct notion of ApproximateNow().
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// We should consider implementing this using MessageLoop::recent_time_.
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return Now();
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}
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QuicTime QuicChromiumClock::Now() const {
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int64_t ticks = (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds();
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DCHECK_GE(ticks, 0);
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return CreateTimeFromMicroseconds(ticks);
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}
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QuicWallTime QuicChromiumClock::WallNow() const {
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const base::TimeDelta time_since_unix_epoch =
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base::Time::Now() - base::Time::UnixEpoch();
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int64_t time_since_unix_epoch_micro = time_since_unix_epoch.InMicroseconds();
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DCHECK_GE(time_since_unix_epoch_micro, 0);
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return QuicWallTime::FromUNIXMicroseconds(time_since_unix_epoch_micro);
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}
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} // namespace net
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