Updating trunk VERSION from 2139.0 to 2140.0
[chromium-blink-merge.git] / net / tools / quic / quic_epoll_clock.h
blobd96bff643892a8788aa02865845dc607c97fef61
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_
6 #define NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "net/quic/quic_clock.h"
11 #include "net/quic/quic_time.h"
13 namespace net {
15 class EpollServer;
17 namespace tools {
19 // Clock to efficiently retrieve an approximately accurate time from an
20 // EpollServer.
21 class QuicEpollClock : public QuicClock {
22 public:
23 explicit QuicEpollClock(EpollServer* epoll_server);
24 virtual ~QuicEpollClock();
26 // Returns the approximate current time as a QuicTime object.
27 virtual QuicTime ApproximateNow() const OVERRIDE;
29 // Returns the current time as a QuicTime object.
30 // Note: this use significant resources please use only if needed.
31 virtual QuicTime Now() const OVERRIDE;
33 protected:
34 EpollServer* epoll_server_;
36 private:
37 DISALLOW_COPY_AND_ASSIGN(QuicEpollClock);
40 } // namespace tools
41 } // namespace net
43 #endif // NET_TOOLS_QUIC_QUIC_EPOLL_CLOCK_H_