Class: DBus::ASessionBus
- Inherits:
-
Connection
- Object
- Connection
- DBus::ASessionBus
- Defined in:
- lib/dbus/bus.rb
Overview
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.
Direct Known Subclasses
Constant Summary
Constants inherited from Connection
Connection::DBUSXMLINTRO, Connection::MSG_BUF_SIZE, Connection::NAME_FLAG_ALLOW_REPLACEMENT, Connection::NAME_FLAG_DO_NOT_QUEUE, Connection::NAME_FLAG_REPLACE_EXISTING, Connection::REQUEST_NAME_REPLY_ALREADY_OWNER, Connection::REQUEST_NAME_REPLY_EXISTS, Connection::REQUEST_NAME_REPLY_IN_QUEUE, Connection::REQUEST_NAME_REPLY_PRIMARY_OWNER
Instance Attribute Summary
Attributes inherited from Connection
Instance Method Summary collapse
- #address_from_file ⇒ Object
-
#initialize ⇒ ASessionBus
constructor
Get the the default session bus.
Methods inherited from Connection
#add_match, #connect, #connect_to_launchd, #connect_to_tcp, #connect_to_unix, #emit, #glibize, #introspect, #introspect_data, #messages, #on_return, #poll_messages, #pop_message, #process, #proxy, #remove_match, #request_service, #send, #send_sync, #send_sync_or_async, #service, #update_buffer, #wait_for_message
Constructor Details
#initialize ⇒ ASessionBus
Get the the default session bus.
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# File 'lib/dbus/bus.rb', line 732 def initialize super(ENV["DBUS_SESSION_BUS_ADDRESS"] || address_from_file || "launchd:env=DBUS_LAUNCHD_SESSION_BUS_SOCKET") connect send_hello end |
Instance Method Details
#address_from_file ⇒ Object
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# File 'lib/dbus/bus.rb', line 738 def address_from_file # systemd uses /etc/machine-id # traditional dbus uses /var/lib/dbus/machine-id machine_id_path = Dir['{/etc,/var/lib/dbus}/machine-id'].first return nil unless machine_id_path machine_id = File.read(machine_id_path).chomp display = ENV["DISPLAY"][/:(\d+)\.?/, 1] bus_file_path = File.join(ENV["HOME"], "/.dbus/session-bus/#{machine_id}-#{display}") return nil unless File.exists?(bus_file_path) File.open(bus_file_path).each_line do |line| if line =~ /^DBUS_SESSION_BUS_ADDRESS=(.*)/ return $1 end end end |