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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_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_
#define NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "net/quic/quic_clock.h"
#include "net/quic/quic_time.h"
namespace net {
class EpollServer;
namespace tools {
// Clock to efficiently retrieve an approximately accurate time from an
// EpollServer.
class QuicEpollClock : public QuicClock {
public:
explicit QuicEpollClock(EpollServer* epoll_server);
~QuicEpollClock() override;
// Returns the approximate current time as a QuicTime object.
QuicTime ApproximateNow() const override;
// Returns the current time as a QuicTime object.
// Note: this use significant resources please use only if needed.
QuicTime Now() const override;
protected:
EpollServer* epoll_server_;
private:
DISALLOW_COPY_AND_ASSIGN(QuicEpollClock);
};
} // namespace tools
} // namespace net
#endif // NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_