// 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);
  virtual ~QuicEpollClock();
  // Returns the approximate current time as a QuicTime object.
  virtual QuicTime ApproximateNow() const OVERRIDE;
  // Returns the current time as a QuicTime object.
  // Note: this use significant resources please use only if needed.
  virtual QuicTime Now() const OVERRIDE;
 protected:
  EpollServer* epoll_server_;
};
}  // namespace tools
}  // namespace net
#endif  // NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_