IdealClock

compound module

Ideal clock: clock time equals simulation time.

Summary

Provides a trivial mapping C(t) = t (no offset, no drift, no steps). Useful as a baseline or when protocol logic should use simulation time directly via the ~IClock(1,2) API.

Semantics

getClockTime() == simTime() always.
computeClockTimeFromSimTime(t) = t.
computeSimTimeFromClockTime(c) = c.
Scheduling “at” a clock time is equivalent to scheduling at the same simulation time; relative “after” delays behave identically.

Notes -----

No quantization/rounding beyond the simulator’s time precision.
No oscillator is involved.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Used in

Name	Type	Description
ClockExample	network	(no description)

Extends

Name	Type	Description
ClockBase	compound module	Base module for clocks.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	"%t"	Determines the text that is written on top of the submodule, supports displaying pars, watches, and module-specific information
referenceClock	string	""	Full path of the reference clock
clockTimeChangeEventSchedulingPriority	int	0	Specifies the scheduling priority of the clock time changed event
emitClockTimeInterval	double	0s	A non-zero value means the clock time will be emitted periodically

Properties

Name	Value	Description
class	IdealClock
display	i=block/timer

Signals

Name	Type	Unit	Description
timeChanged	simtime_t

Statistics

Name	Title	Source	Record	Unit	Interpolation Mode	Description
timeChanged	Clock time	localSignal(timeChanged)	vector	s	linear

Source code

//
// Ideal clock: clock time equals simulation time.
//
// Summary
// -------
// Provides a trivial mapping C(t) = t (no offset, no drift, no steps).
// Useful as a baseline or when protocol logic should use simulation time
// directly via the ~IClock API.
//
// Semantics
// ---------
// - getClockTime() == simTime() always.
// - computeClockTimeFromSimTime(t) = t.
// - computeSimTimeFromClockTime(c) = c.
// - Scheduling “at” a clock time is equivalent to scheduling at the same
//   simulation time; relative “after” delays behave identically.
//
// Notes
// -----
// - No quantization/rounding beyond the simulator’s time precision.
// - No oscillator is involved.
//
module IdealClock extends ClockBase like IClock
{
    parameters:
        @class(IdealClock);
}

File: src/inet/clock/model/IdealClock.ned