openthread-br  0.3.0-72c0388
time.hpp
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28 
34 #ifndef OTBR_COMMON_TIME_HPP_
35 #define OTBR_COMMON_TIME_HPP_
36 
37 #include "openthread-br/config.h"
38 
39 #include <chrono>
40 
41 #include <stdint.h>
42 
43 #include <sys/time.h>
44 
45 namespace otbr {
46 
47 using Seconds = std::chrono::seconds;
48 using Milliseconds = std::chrono::milliseconds;
49 using Microseconds = std::chrono::microseconds;
50 using Clock = std::chrono::steady_clock;
51 using Timepoint = Clock::time_point;
52 
53 template <class D> D FromTimeval(const timeval &aTime)
54 {
55  return std::chrono::duration_cast<D>(Microseconds{aTime.tv_usec}) +
56  std::chrono::duration_cast<D>(Seconds{aTime.tv_sec});
57 }
58 
59 template <class D> timeval ToTimeval(const D &aDuration)
60 {
61  timeval ret;
62  const size_t kMicrosecondsPeriod = 1000000;
63  auto microseconds = std::chrono::duration_cast<Microseconds>(aDuration).count();
64 
65  ret.tv_sec = microseconds / kMicrosecondsPeriod;
66  ret.tv_usec = microseconds % kMicrosecondsPeriod;
67 
68  return ret;
69 }
70 
71 } // namespace otbr
72 
73 #endif // OTBR_COMMON_TIME_HPP_
config.h