class DBus::ASessionBus

D-Bus session bus class

The session bus is a session specific bus (mostly for desktop use).

Use SessionBus, the non-singleton ASessionBus is for the test suite.

Public Class Methods

address_from_file() click to toggle source
    # File lib/dbus/bus.rb
620 def self.address_from_file
621   # systemd uses /etc/machine-id
622   # traditional dbus uses /var/lib/dbus/machine-id
623   machine_id_path = Dir["{/etc,/var/lib/dbus,/var/db/dbus}/machine-id"].first
624   return nil unless machine_id_path
625   machine_id = File.read(machine_id_path).chomp
626 
627   display = ENV["DISPLAY"][/:(\d+)\.?/, 1]
628 
629   bus_file_path = File.join(ENV["HOME"], "/.dbus/session-bus/#{machine_id}-#{display}")
630   return nil unless File.exist?(bus_file_path)
631 
632   File.open(bus_file_path).each_line do |line|
633     if line =~ /^DBUS_SESSION_BUS_ADDRESS=(.*)/
634       address = Regexp.last_match(1)
635       return address[/\A'(.*)'\z/, 1] || address[/\A"(.*)"\z/, 1] || address
636     end
637   end
638 end
new() click to toggle source

Get the the default session bus.

Calls superclass method DBus::Connection::new
    # File lib/dbus/bus.rb
609 def initialize
610   super(self.class.session_bus_address)
611   send_hello
612 end
session_bus_address() click to toggle source
    # File lib/dbus/bus.rb
614 def self.session_bus_address
615   ENV["DBUS_SESSION_BUS_ADDRESS"] ||
616     address_from_file ||
617     "launchd:env=DBUS_LAUNCHD_SESSION_BUS_SOCKET"
618 end