Net::DBus::Callback - a callback for receiving reactor events
use Net::DBus::Callback; # Assume we have a 'terminal' object and its got a method # to be invoked everytime there is input on its terminal. # # To create a callback to invoke this method one might use my $cb = Net::DBus::Callback->new(object => $terminal, method => "handle_stdio"); # Whatever is monitoring the stdio channel, would then # invoke the callback, perhaps passing in a parameter with # some 'interesting' data, such as number of bytes available $cb->invoke($nbytes) #... which results in a call to # $terminal->handle_stdio($nbytes)
This module provides a simple container for storing details about a callback to be invoked at a later date. It is used when registering to receive events from the Net::DBus::Reactor class. NB use of this module in application code is no longer neccessary and it remains purely for backwards compatability. Instead you can simply pass a subroutine code reference in any place where a callback is desired.
Creates a new callback object, for invoking a plain old function. The method parameter should be the fully qualified function name to invoke, including the package name. The optional args parameter is an array reference of parameters to be pass to the callback, in addition to those passed into the invoke method.
method
args
invoke
Creates a new callback object, for invoking a method on an object. The method parameter should be the name of the method to invoke, while the object parameter should be a blessed object on which the method will be invoked. The optional args parameter is an array reference of parameters to be pass to the callback, in addition to those passed into the invoke method.
object
Invokes the callback. The argument list passed to the callback is a combination of the arguments supplied in the callback constructor, followed by the arguments supplied in the invoke method.
Daniel P. Berrange.
Copyright (C) 2004-2011 Daniel P. Berrange
Net::DBus::Reactor
To install Net::DBus, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Net::DBus
CPAN shell
perl -MCPAN -e shell install Net::DBus
For more information on module installation, please visit the detailed CPAN module installation guide.