net_instaweb::Timer Class Reference

Timer interface, made virtual so it can be mocked for tests. More...

#include "timer.h"

Inheritance diagram for net_instaweb::Timer:

Public Member Functions
virtual int64	NowMs () const
	Returns number of milliseconds since 1970.
virtual int64	NowUs () const =0
	Returns number of microseconds since 1970.
virtual void	SleepMs (int64 ms)
	Sleep for given number of milliseconds.
virtual void	SleepUs (int64 us)=0
	Sleep for given number of microseconds.

Static Public Attributes
static const int64	kSecondMs = 1000
static const int64	kMsUs = 1000
static const int64	kSecondUs = kMsUs * kSecondMs
static const int64	kSecondNs = 1000 * kSecondUs
static const int64	kMinuteMs = 60 * kSecondMs
static const int64	kMinuteUs = 60 * kSecondUs
static const int64	kHourMs = 60 * kMinuteMs
static const int64	kDayMs = 24 * kHourMs
static const int64	kWeekMs = 7 * kDayMs
static const int64	kMonthMs = 31 * kDayMs
static const int64	kYearMs = 365 * kDayMs

Detailed Description

Timer interface, made virtual so it can be mocked for tests.

Member Data Documentation

const int64 net_instaweb::Timer::kSecondMs = 1000

static

Note: it's important that these stay compile-time constants, to avoid weird init order surprises. (Noticed in the wild on Mac). If you get a link error due to one of these missing, you're trying to pass it in by a const reference. You can do something like * 1 to sidestep the issue.

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The documentation for this class was generated from the following file:

• pagespeed/kernel/base/timer.h