Linux cli command Net_DBus_Objectpm

NAME 🖥️ Net_DBus_Objectpm 🖥️

Implement objects to export to the bus

SYNOPSIS

# Connecting an object to the bus, under a service package main; use Net::DBus; # Attach to the bus my $bus = Net::DBus->find; # Acquire a service org.demo.Hello my $service = $bus->export_service(“org.demo.Hello”); # Export our object within the service my $object = Demo::HelloWorld->new($service); ….rest of program… # Define a new package for the object were going # to export package Demo::HelloWorld; # Specify the main interface provided by our object use Net::DBus::Exporter qw(org.example.demo.Greeter); # Were going to be a DBus object use base qw(Net::DBus::Object); # Export a Greeting signal taking a stringl string parameter dbus_signal(“Greeting”, [“string”]); # Export Hello as a method accepting a single string # parameter, and returning a single string value dbus_method(“Hello”, [“string”], [“string”]); sub new { my $class = shift; my $service = shift; my $self = $class->SUPER::new($service, “/org/demo/HelloWorld”); bless $self, $class; return $self; } sub Hello { my $self = shift; my $name = shift; $self->emit_signal(“Greeting”, “Hello $name”); return “Said hello to $name”; } # Export Goodbye as a method accepting a single string # parameter, and returning a single string, but put it # in the org.exaple.demo.Farewell interface dbus_method(“Goodbye”, [“string”], [“string”], “org.example.demo.Farewell”); sub Goodbye { my $self = shift; my $name = shift; $self->emit_signal(“Greeting”, “Goodbye $name”); return “Said goodbye to $name”; }

DESCRIPTION

This the base for implementing objects which are directly exported to the bus. The methods implemented in a subclass are mapped to methods on the bus. By using this class, an application is directly tieing the RPC functionality into its object model. Applications may thus prefer to use the Net::DBus::ProxyObject class which allows the RPC functionality to be maintained separately from the core object model, by proxying RPC method calls.

METHODS

my $object = Net::DBus::Object->new($service, $path)
This creates a new DBus object with an path of $path registered within the service $service. The $path parameter should be a string complying with the usual DBus requirements for object paths, while the $service parameter should be an instance of Net::DBus::Service. The latter is typically obtained by calling the export_service method on the Net::DBus object.

my $object = Net::DBus::Object->new($parentobj, $subpath)
This creates a new DBus child object with an path of $subpath relative to its parent $parentobj. The $subpath parameter should be a string complying with the usual DBus requirements for object paths, while the $parentobj parameter should be an instance of Net::DBus::BaseObject or a subclass.

AUTHOR

Daniel P. Berrange

COPYRIGHT

Copyright (C) 2005-2011 Daniel P. Berrange

SEE ALSO

Net::DBus, Net::DBus::Service, Net::DBus::BaseObject, Net::DBus::ProxyObject, Net::DBus::Exporter, Net::DBus::RemoteObject

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