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countdown_timer.h
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1 /*
2  * Copyright 2013 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http:///www.apache.org/licenses/LICENSE-2.0
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13  * See the License for the specific language governing permissions and
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15  */
16 
18 
19 #ifndef PAGESPEED_KERNEL_BASE_COUNTDOWN_TIMER_H_
20 #define PAGESPEED_KERNEL_BASE_COUNTDOWN_TIMER_H_
21 
22 #include <time.h>
24 
25 namespace net_instaweb {
26 
27 class Timer;
28 
34  public:
35  CountdownTimer(Timer* timer,
36  void* user_data,
37  int64 allowed_time_ms);
38 
39  void Reset(int64 allowed_time_ms);
40 
41  bool HaveTimeLeft() const;
42 
43  void* user_data() const { return user_data_; }
44 
45  int64 TimeLeftMs() const;
46 
47  int64 TimeElapsedMs() const;
48 
49  private:
50  Timer* timer_;
51  void* user_data_;
52  clock_t limit_time_us_;
53  clock_t start_time_us_;
54 };
55 
56 }
57 
58 #endif
Definition: countdown_timer.h:33
Timer interface, made virtual so it can be mocked for tests.
Definition: timer.h:27