xrpl::UptimeClock Class Reference

Tracks program uptime to seconds precision. More...

#include <UptimeClock.h>

Collaboration diagram for xrpl::UptimeClock:

Classes
struct	UpdateThread

Public Types
using	rep = int
using	period = std::ratio<1>
using	duration = std::chrono::duration<rep, period>
using	time_point = std::chrono::time_point<UptimeClock>

Public Member Functions
	UptimeClock ()=default

Static Public Member Functions
static time_point	now ()

Static Public Attributes
static constexpr bool	is_steady

Static Private Member Functions
static UpdateThread	startClock ()

Static Private Attributes
static std::atomic< rep >	kNow {0}
static std::atomic< bool >	kStop {false}

Detailed Description

Tracks program uptime to seconds precision.

The timer caches the current time as a performance optimization. This allows clients to query the current time thousands of times per second.

Definition at line 17 of file UptimeClock.h.

Member Typedef Documentation

rep

using xrpl::UptimeClock::rep = int

Definition at line 20 of file UptimeClock.h.

period

using xrpl::UptimeClock::period = std::ratio<1>

Definition at line 21 of file UptimeClock.h.

duration

using xrpl::UptimeClock::duration = std::chrono::duration<rep, period>

Definition at line 22 of file UptimeClock.h.

time_point

using xrpl::UptimeClock::time_point = std::chrono::time_point<UptimeClock>

Definition at line 23 of file UptimeClock.h.

Constructor & Destructor Documentation

UptimeClock()

xrpl::UptimeClock::UptimeClock ( )

explicitdefault

Member Function Documentation

now()

UptimeClock::time_point xrpl::UptimeClock::now ( )

static

Definition at line 49 of file UptimeClock.cpp.

startClock()

UptimeClock::UpdateThread xrpl::UptimeClock::startClock ( )

staticprivate

Definition at line 27 of file UptimeClock.cpp.

Member Data Documentation

is_steady

bool xrpl::UptimeClock::is_steady

staticconstexpr

Initial value:

                            =  
std::chrono::system_clock::is_steady

Definition at line 24 of file UptimeClock.h.

kNow

std::atomic< UptimeClock::rep > xrpl::UptimeClock::kNow {0}

staticprivate

Definition at line 33 of file UptimeClock.h.

kStop

std::atomic< bool > xrpl::UptimeClock::kStop {false}

staticprivate

Definition at line 34 of file UptimeClock.h.