Classes
class	CustomClock
	Class implementing custom system or steady clock behavior. More...

class	steady_clock
	Steady clock. More...

class	system_clock
	System clock. More...

class	UnitTestClock
	Clock that can be used in unit tests for time-dependent tests independent of wall clock. More...

class	UnitTestClockTraits
	Traits for UnitTestClock, defining default behavior for different clocks. More...

class	UnitTestClockTraits< system_clock >
	Specialization of UnitTestClockTraits for system_clock. More...

Typedefs
typedef CustomClock< system_clock >	CustomSystemClock

typedef CustomClock< steady_clock >	CustomSteadyClock

typedef UnitTestClock< system_clock >	UnitTestSystemClock

typedef UnitTestClock< steady_clock >	UnitTestSteadyClock

typedef boost::chrono::steady_clock	base_steady_clock

typedef duration< boost::int_least32_t, boost::ratio< 86400 > >	days

Functions
void	setCustomClocks (shared_ptr< CustomSteadyClock > steadyClock=nullptr, shared_ptr< CustomSystemClock > systemClock=nullptr)
	Set custom system and steady clocks. More...

const std::chrono::microseconds	SLEEP_AFTER_TIME_CHANGE (2)

const system_clock::TimePoint &	getUnixEpoch ()
	Get system_clock::TimePoint representing UNIX time epoch (00:00:00 on Jan 1, 1970) More...

milliseconds	toUnixTimestamp (const system_clock::TimePoint &point)
	Convert system_clock::TimePoint to UNIX timestamp. More...

system_clock::TimePoint	fromUnixTimestamp (const milliseconds &duration)
	Convert UNIX timestamp to system_clock::TimePoint. More...

std::string	toIsoString (const system_clock::TimePoint &timePoint)
	Convert to the ISO string representation of the time (YYYYMMDDTHHMMSS,fffffffff) More...

system_clock::TimePoint	fromIsoString (const std::string &isoString)
	Convert from the ISO string (YYYYMMDDTHHMMSS,fffffffff) representation to the internal time format. More...

std::string	toString (const system_clock::TimePoint &timePoint, const std::string &format="%Y-%m-%d %H:%M:%S", const std::locale &locale=std::locale("C"))
	Convert time point to string with specified format. More...

system_clock::TimePoint	fromString (const std::string &formattedTimePoint, const std::string &format="%Y-%m-%d %H:%M:%S", const std::locale &locale=std::locale("C"))
	Convert from string of specified format into time point. More...

template<typename Rep , typename Period , typename = typename std::enable_if<std::numeric_limits<Rep>::is_signed>::type>
constexpr duration< Rep, Period >	abs (duration< Rep, Period > d)

Variables
static shared_ptr< CustomSystemClock >	g_systemClock

static shared_ptr< CustomSteadyClock >	g_steadyClock

Typedef Documentation

◆ CustomSystemClock

typedef CustomClock<system_clock> ndn::time::CustomSystemClock

Definition at line 53 of file time-custom-clock.hpp.

◆ CustomSteadyClock

typedef CustomClock<steady_clock> ndn::time::CustomSteadyClock

Definition at line 54 of file time-custom-clock.hpp.

◆ UnitTestSystemClock

typedef UnitTestClock<system_clock> ndn::time::UnitTestSystemClock

Definition at line 105 of file time-unit-test-clock.hpp.

◆ UnitTestSteadyClock

typedef UnitTestClock<steady_clock> ndn::time::UnitTestSteadyClock

Definition at line 106 of file time-unit-test-clock.hpp.

◆ base_steady_clock

typedef boost::chrono::steady_clock ndn::time::base_steady_clock

Definition at line 75 of file time.cpp.

◆ days

typedef duration<boost::int_least32_t, boost::ratio<86400> > ndn::time::days

Definition at line 35 of file time.hpp.

Function Documentation

◆ setCustomClocks()

void ndn::time::setCustomClocks	(	shared_ptr< CustomSteadyClock >	steadyClock = `nullptr`,
		shared_ptr< CustomSystemClock >	systemClock = `nullptr`
	)

Set custom system and steady clocks.

When steadyClock or systemClock set to nullptr, the default implementation of the corresponding clock will be used

Definition at line 35 of file time.cpp.

Referenced by ns3::ndn::StackHelper::setCustomNdnCxxClocks().

◆ SLEEP_AFTER_TIME_CHANGE()

const std::chrono::microseconds ndn::time::SLEEP_AFTER_TIME_CHANGE ( 2 )

Referenced by ndn::time::UnitTestClock< BaseClock >::advance(), and ndn::time::UnitTestClock< BaseClock >::setNow().

◆ getUnixEpoch()

const system_clock::TimePoint & ndn::time::getUnixEpoch ( )

Get system_clock::TimePoint representing UNIX time epoch (00:00:00 on Jan 1, 1970)

Definition at line 111 of file time.cpp.

References ndn::time::system_clock::from_time_t().

Referenced by ndn::name::Component::fromTimestamp(), fromUnixTimestamp(), toIsoString(), toString(), ndn::name::Component::toTimestamp(), and toUnixTimestamp().

◆ toUnixTimestamp()

milliseconds ndn::time::toUnixTimestamp ( const system_clock::TimePoint & point )

Convert system_clock::TimePoint to UNIX timestamp.

Definition at line 118 of file time.cpp.

References getUnixEpoch().

Referenced by ndn::security::SecPublicInfoSqlite3::addCertificate(), ndn::Name::appendVersion(), ndn::security::KeyChain::getDefaultKeyParamsForIdentity(), ndn::security::SecPublicInfo::getNewKeyName(), ndn::security::KeyChain::signWithSha256(), and ndn::nfd::ForwarderStatus::wireEncode().

◆ fromUnixTimestamp()

system_clock::TimePoint ndn::time::fromUnixTimestamp ( const milliseconds & duration )

Convert UNIX timestamp to system_clock::TimePoint.

Definition at line 124 of file time.cpp.

References getUnixEpoch().

Referenced by ndn::security::ValidatorConfig::checkPolicy(), ndn::security::CommandInterestValidator::checkPolicy(), and ndn::nfd::ForwarderStatus::wireDecode().

◆ toIsoString()

std::string ndn::time::toIsoString ( const system_clock::TimePoint & timePoint )

Convert to the ISO string representation of the time (YYYYMMDDTHHMMSS,fffffffff)

If timePoint contains doesn't contain fractional seconds the output format is YYYYMMDDTHHMMSS

Examples:

with fractional nanoseconds: 20020131T100001,123456789
with fractional microseconds: 20020131T100001,123456
with fractional milliseconds: 20020131T100001,123
without fractional seconds: 20020131T100001

Definition at line 130 of file time.cpp.

References getUnixEpoch(), and ndn::time::system_clock::to_time_t().

Referenced by ndn::DEREncodeGeneralTime(), ndn::security::operator<<(), ndn::security::v1::Certificate::printCertificate(), and ndn::security::ValidityPeriod::wireEncode().

◆ fromIsoString()

system_clock::TimePoint ndn::time::fromIsoString ( const std::string & isoString )

Convert from the ISO string (YYYYMMDDTHHMMSS,fffffffff) representation to the internal time format.

Examples of accepted ISO strings:

with fractional nanoseconds: 20020131T100001,123456789
with fractional microseconds: 20020131T100001,123456
with fractional milliseconds: 20020131T100001,123
without fractional seconds: 20020131T100001

Definition at line 147 of file time.cpp.

References ndn::time::system_clock::from_time_t().

Referenced by ndn::BERDecodeTime(), and ndn::security::ValidityPeriod::wireDecode().

◆ toString()

std::string ndn::time::toString	(	const system_clock::TimePoint &	timePoint,
		const std::string &	format = `"%Y-%m-%d %H:%M:%S"`,
		const std::locale &	locale = `std::locale("C")`
	)

Convert time point to string with specified format.

By default, Y-m-d H:M:S is used, producing dates like 2014-04-10 22:51:00

Parameters

timePoint	time point of system_clock
format	desired output format (default: `Y-m-d H:M:S`)
locale	desired locale (default: "C" locale)

See also: http://www.boost.org/doc/libs/1_54_0/doc/html/date_time/date_time_io.html#date_time.format_flags described possible formatting flags

Definition at line 162 of file time.cpp.

References getUnixEpoch(), and ndn::time::system_clock::to_time_t().

Referenced by ndn::Oid::setIntegerList().

◆ fromString()

system_clock::TimePoint ndn::time::fromString	(	const std::string &	formattedTimePoint,
		const std::string &	format = `"%Y-%m-%d %H:%M:%S"`,
		const std::locale &	locale = `std::locale("C")`
	)

Convert from string of specified format into time point.

By default, Y-m-d H:M:S is used, accepting dates like 2014-04-10 22:51:00

Parameters

formattedTimePoint	string representing time point
format	input output format (default: `Y-m-d H:M:S`)
locale	input locale (default: "C" locale)

See also: http://www.boost.org/doc/libs/1_54_0/doc/html/date_time/date_time_io.html#date_time.format_flags described possible formatting flags

Definition at line 182 of file time.cpp.

References ndn::time::system_clock::from_time_t().

◆ abs()

template<typename Rep , typename Period , typename = typename std::enable_if<std::numeric_limits<Rep>::is_signed>::type>

constexpr duration<Rep, Period> ndn::time::abs ( duration< Rep, Period > d )

Returns: the absolute value of the duration d

Note: The function does not participate in the overload resolution unless std::numeric_limits<Rep>::is_signed is true.

Definition at line 53 of file time.hpp.

Referenced by nfd::RttEstimator::addMeasurement(), ndn::security::CommandInterestValidator::checkPolicy(), and ns3::AnnotatedTopologyReader::Read().

Variable Documentation

◆ g_systemClock

shared_ptr<CustomSystemClock> ndn::time::g_systemClock

static

Definition at line 30 of file time.cpp.

Referenced by boost::chrono::clock_string< ndn::time::system_clock, CharT >::since().

◆ g_steadyClock

shared_ptr<CustomSteadyClock> ndn::time::g_steadyClock

static

Definition at line 31 of file time.cpp.

Referenced by boost::chrono::clock_string< ndn::time::steady_clock, CharT >::since().

Classes

Typedefs

Functions

Variables

Typedef Documentation

◆ CustomSystemClock

◆ CustomSteadyClock

◆ UnitTestSystemClock

◆ UnitTestSteadyClock

◆ base_steady_clock

◆ days

Function Documentation

◆ setCustomClocks()

◆ SLEEP_AFTER_TIME_CHANGE()

◆ getUnixEpoch()

◆ toUnixTimestamp()

◆ fromUnixTimestamp()

◆ toIsoString()

◆ fromIsoString()

◆ toString()

◆ fromString()

◆ abs()

Variable Documentation

◆ g_systemClock

◆ g_steadyClock