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// 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.
#ifndef NET_QUIC_QUIC_CLOCK_H_
#define NET_QUIC_QUIC_CLOCK_H_
#include "base/basictypes.h"
#include "net/base/net_export.h"
#include "net/quic/quic_time.h"
namespace net {
typedef double WallTime;
// Clock to efficiently retrieve an approximately accurate time from an
// EpollServer.
class NET_EXPORT_PRIVATE QuicClock {
public:
QuicClock();
virtual ~QuicClock();
// Returns the approximate current time as a QuicTime object.
virtual QuicTime ApproximateNow() const;
// Returns the current time as a QuicTime object.
// Note: this use significant resources please use only if needed.
virtual QuicTime Now() const;
// WallNow returns the current wall-time - a time that is consistent across
// different clocks.
virtual QuicWallTime WallNow() const;
};
} // namespace net
#endif // NET_QUIC_QUIC_CLOCK_H_
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