This module periodically synchronizes the slave clock to the master clock with the specified accuracy. The synchronization happens directly using C++ methods calls and without any packet exchange. This is primarily useful when the overhead of the time synchronization protocol messages can be safely ignored.

Inheritance diagram

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

Parameters

Name	Type	Default value	Description
masterClockModule	string
slaveClockModule	string
synchronizationInterval	double		clock synchronization period
synchronizationClockTimeError	double	0s	0 means slave clock time equals master clock time after synchronization
synchronizationOscillatorCompensationError	double	0ppm	0 means slave clock speed equals master clock speed after synchronization

Properties

Name	Value	Description
display	i=block/app
lifecycleSupport

Gates

Name	Direction	Size	Description
socketIn	input
socketOut	output

Scheduled messages (observed)

msg	kind	ctrl	tags	msgname	context
omnetpp::cMessage	0			SynchronizationTimer

Direct method calls (observed)

call to	function	info
SettableClock	inet::SettableClock::setClockTime	setClockTime

Source code

//
// This module periodically synchronizes the slave clock to the master clock with
// the specified accuracy. The synchronization happens directly using C++ methods
// calls and without any packet exchange. This is primarily useful when the overhead
// of the time synchronization protocol messages can be safely ignored.
//
simple SimpleClockSynchronizer like IApp
{
    parameters:
        string masterClockModule;
        string slaveClockModule;
        volatile double synchronizationInterval @unit(s); // clock synchronization period
        volatile double synchronizationClockTimeError @unit(s) = default(0s); // 0 means slave clock time equals master clock time after synchronization
        volatile double synchronizationOscillatorCompensationError @unit(ppm) = default(0ppm); // 0 means slave clock speed equals master clock speed after synchronization
        @display("i=block/app");
        @lifecycleSupport;
    gates:
        input socketIn @loose;
        output socketOut @loose;
}

File: src/inet/applications/clock/SimpleClockSynchronizer.ned

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