fpsdk::common::time::Duration Class Reference

Time duration. More...

#include <time.hpp>

Public Member Functions
Set duration
These do not throw and instead return true/false.
bool	SetSecNSec (const int32_t sec, const int32_t nsec)
	Set duration from seconds and nanoseconds.
bool	SetNSec (const int64_t nsec)
	Set duration from nanoseconds.
bool	SetSec (const double sec)
	Set duration from seconds.
Get duration
int64_t	GetNSec () const
	Get duration as nanoseconds.
double	GetSec (const int prec=9) const
	Get duration as seconds.
std::chrono::milliseconds	GetChronoMilli () const
	Get duration as std::chrono::milliseconds.
std::chrono::nanoseconds	GetChronoNano () const
	Get duration as std::chrono::nanoseconds.
Misc
bool	IsZero () const
	Check if duration is zero.
std::string	Stringify (const int prec=3) const
	Stringify duration, for debugging.
void	Sleep () const
	Sleep for the duration (if > 0)
Arithmetic methods
These do not throw and instead return true/false.
bool	AddDur (const Duration &dur)
	Add duration to duration.
bool	AddNSec (const int64_t nsec)
	Add nanoseconds to duration.
bool	AddSec (const double sec)
	Add seconds to duration.
bool	SubDur (const Duration &dur)
	Substract duration from duration.
bool	SubNSec (const int64_t nsec)
	Substract nanoseconds from duration.
bool	SubSec (const double sec)
	Substract seconds from duration.
bool	Scale (const double sec)
	Scale (multiply) duration.
Arithmetic operators
Note These throw std::runtime_error if the values are out of range.
Duration	operator+ (const Duration &rhs) const
	Sum duration and duration.
Duration	operator+ (const int64_t nsec) const
	Sum duration and nanoseconds.
Duration	operator+ (const double sec) const
	Sum duration and seconds.
Duration &	operator+= (const Duration &rhs)
	Add duration to duration.
Duration &	operator+= (const int64_t nsec)
	Add nanoseconds to durationn.
Duration &	operator+= (const double sec)
	Add seconds to duration.
Duration	operator- (const Duration &rhs) const
	Subtract duration and duration.
Duration	operator- (const int64_t nsec) const
	Subtract duration and nanoseconds.
Duration	operator- (const double sec) const
	Subtract duration and seconds.
Duration &	operator-= (const Duration &rhs)
	Subtract duration from duration.
Duration &	operator-= (const int64_t nsec)
	Subtract nanoseconds from duration.
Duration &	operator-= (const double sec)
	Subtract seconds from durationn.
Duration	operator- () const
	Reverse sign.
Duration	operator* (double scale) const
	Multiply (scale) duration.
Duration &	operator*= (double scale)
	Multiply (scale) duration.
Logic operators
bool	operator== (const Duration &rhs) const
	Equal.
bool	operator!= (const Duration &rhs) const
	Not equal.
bool	operator> (const Duration &rhs) const
	Greater than.
bool	operator< (const Duration &rhs) const
	Smaller than.
bool	operator>= (const Duration &rhs) const
	Greater or equal than.
bool	operator<= (const Duration &rhs) const
	Smaller or equal than.

Public Attributes
int32_t	sec_
	Seconds part of duration.
int32_t	nsec_
	Nanoseconds part of duration (should be in range 0-999999999)

Make Duration object
Note These throw std::runtime_error if the values are out of range.
	Duration ()
	Constructor, zero duration.
static Duration	FromSecNSec (const int32_t sec, const int32_t nsec)
	Make Duration from seconds and nanoseconds.
static Duration	FromNSec (const int64_t nsec)
	Make Duration from nanoseconds.
static Duration	FromSec (const double sec)
	Make Duration from seconds.

Detailed Description

Time duration.

This is similar (and binary compatible) to ros::Duration and rpclpp::Duration. While some of the constructors and operators can throw, it also provides non-throwing methods to manipulate the duration.

Definition at line 171 of file time.hpp.

Member Function Documentation

FromSecNSec()

static Duration fpsdk::common::time::Duration::FromSecNSec ( const int32_t sec, const int32_t nsec )

static

Make Duration from seconds and nanoseconds.

Parameters

[in]	sec	Duration value seconds
[in]	nsec	Duration value nanoseconds

FromNSec()

static Duration fpsdk::common::time::Duration::FromNSec ( const int64_t nsec )

static

Make Duration from nanoseconds.

Parameters

[in]

nsec

Duration value nanoseconds

FromSec()

static Duration fpsdk::common::time::Duration::FromSec ( const double sec )

static

Make Duration from seconds.

Parameters

[in]

sec

Duration value seconds

SetSecNSec()

bool fpsdk::common::time::Duration::SetSecNSec	(	const int32_t	sec,
		const int32_t	nsec )

Set duration from seconds and nanoseconds.

Parameters

[in]	sec	Duration value seconds
[in]	nsec	Duration value nanoseconds

Returns

true if successful (values in range), false otherwise (bad values)

SetNSec()

bool fpsdk::common::time::Duration::SetNSec

(

const int64_t

nsec

)

Set duration from nanoseconds.

Parameters

[in]

nsec

Duration value nanoseconds

Returns

true if successful (sec value in range), false otherwise (bad sec value)

SetSec()

bool fpsdk::common::time::Duration::SetSec

(

const double

sec

)

Set duration from seconds.

Parameters

[in]

sec

Duration value seconds

Returns

true if successful (sec value in range), false otherwise (bad sec value)

GetNSec()

int64_t fpsdk::common::time::Duration::GetNSec

(

)

const

Get duration as nanoseconds.

Returns

the duration as nanoseconds

GetSec()

double fpsdk::common::time::Duration::GetSec

(

const int

prec = 9

)

const

Get duration as seconds.

Parameters

[in]

prec

Round the seconds to this many fractional digits (0-9)

Returns

the duration as seconds

GetChronoMilli()

std::chrono::milliseconds fpsdk::common::time::Duration::GetChronoMilli

(

)

const

Get duration as std::chrono::milliseconds.

Returns

the duration as std::chrono::milliseconds

GetChronoNano()

std::chrono::nanoseconds fpsdk::common::time::Duration::GetChronoNano

(

)

const

Get duration as std::chrono::nanoseconds.

Returns

the duration as std::chrono::nanoseconds

IsZero()

bool fpsdk::common::time::Duration::IsZero

(

)

const

Check if duration is zero.

Returns

true if duration is exactly zero

Stringify()

std::string fpsdk::common::time::Duration::Stringify

(

const int

prec = 3

)

const

Stringify duration, for debugging.

Parameters

[in]

prec

Number of fractional digits for the seconds (0-9)

Returns

The stringified duration ("HH:MM:SS.SSS", resp. "DDd HH:MM:SS.SSS" if duration > 1d)

AddDur()

bool fpsdk::common::time::Duration::AddDur

(

const Duration &

dur

)

Add duration to duration.

Parameters

[in]

dur

Duration to add

Returns

true if successful (dur value in range), false otherwise (bad sec value)

AddNSec()

bool fpsdk::common::time::Duration::AddNSec

(

const int64_t

nsec

)

Add nanoseconds to duration.

Parameters

[in]

nsec

Nanoseconds to add

Returns

true if successful (sec value in range), false otherwise (bad sec value)

AddSec()

bool fpsdk::common::time::Duration::AddSec

(

const double

sec

)

Add seconds to duration.

Parameters

[in]

sec

Seconds to add

Returns

true if successful (sec value in range), false otherwise (bad sec value)

SubDur()

bool fpsdk::common::time::Duration::SubDur

(

const Duration &

dur

)

Substract duration from duration.

Parameters

[in]

dur

Duration to substract

Returns

true if successful (dur value in range), false otherwise (bad sec value)

SubNSec()

bool fpsdk::common::time::Duration::SubNSec

(

const int64_t

nsec

)

Substract nanoseconds from duration.

Parameters

[in]

nsec

Nanoseconds to substract

Returns

true if successful (sec value in range), false otherwise (bad sec value)

SubSec()

bool fpsdk::common::time::Duration::SubSec

(

const double

sec

)

Substract seconds from duration.

Parameters

[in]

sec

Seconds to substract

Returns

true if successful (sec value in range), false otherwise (bad sec value)

Scale()

bool fpsdk::common::time::Duration::Scale

(

const double

sec

)

Scale (multiply) duration.

Parameters

[in]

sec

Scale factor

Returns

true if successful (scale value in range), false otherwise (bad scale value)

Member Data Documentation

sec_

int32_t fpsdk::common::time::Duration::sec_

Seconds part of duration.

Definition at line 426 of file time.hpp.

nsec_

int32_t fpsdk::common::time::Duration::nsec_

Nanoseconds part of duration (should be in range 0-999999999)

Definition at line 427 of file time.hpp.

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

• fpsdk_common/include/fpsdk_common/time.hpp