gdbus man page on Archlinux

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GDBUS(1)			 User Commands			      GDBUS(1)

       gdbus - Tool for working with D-Bus objects

       gdbus introspect [--system | --session | --address address]
	     --dest bus_name --object-path /path/to/object [--xml] [--recurse]

       gdbus monitor [--system | --session | --address address]
	     --dest bus_name [--object-path /path/to/object]

       gdbus call [--system | --session | --address address] --dest bus_name
	     --object-path /path/to/object
	     --method org.project.InterfaceName.MethodName [--timeout seconds]
	     ARG1 ARG2...

       gdbus emit [--system | --session | --address address]
	     --object-path /path/to/object
	     --signal org.project.InterfaceName.SignalName
	     [--dest unique_bus_name] ARG1 ARG2...

       gdbus help

       gdbus is a simple tool for working with D-Bus objects.

	   Prints out interfaces and property values for a remote object. For
	   this to work, the owner of the object needs to implement the
	   org.freedesktop.DBus.Introspectable interface. If the --xml option
	   is used, the returned introspection XML is printed, otherwise a
	   parsed pretty representation is printed. The --recurse option can
	   be used to introspect children (and their children and so on) and
	   the --only-properties option can be used to only print the
	   interfaces with properties.

	   Monitors one or all objects owned by the owner of bus_name.

	   Invokes a method on a remote object. Each argument to pass to the
	   method must be specified as a serialized GVariant except that
	   strings do not need explicit quotes. The return values are printed
	   out as serialized GVariant values.

	   Emits a signal. Each argument to include in the signal must be
	   specified as a serialized GVariant except that strings do not need
	   explicit quotes.

	   Prints help and exit.

       gdbus ships with a bash completion script to complete commands,
       destinations, bus names, object paths and interface/method names.

	 This shows how to introspect an object - note that the value of each
	 property is displayed:

	   $ gdbus introspect --system \
		   --dest org.freedesktop.NetworkManager \
		   --object-path /org/freedesktop/NetworkManager/Devices/0
	   node /org/freedesktop/NetworkManager/Devices/0 {
	     interface org.freedesktop.DBus.Introspectable {
		 Introspect(out s data);
	     interface org.freedesktop.DBus.Properties {
		 Get(in	 s interface,
		     in	 s propname,
		     out v value);
		 Set(in	 s interface,
		     in	 s propname,
		     in	 v value);
		 GetAll(in  s interface,
			out a{sv} props);
	     interface org.freedesktop.NetworkManager.Device.Wired {
		 PropertiesChanged(a{sv} arg_0);
		 readonly b Carrier = false;
		 readonly u Speed = 0;
		 readonly s HwAddress = '00:1D:72:88:BE:97';
	     interface org.freedesktop.NetworkManager.Device {
		 StateChanged(u arg_0,
			      u arg_1,
			      u arg_2);
		 readonly u DeviceType = 1;
		 readonly b Managed = true;
		 readwrite o Ip6Config = '/';
		 readwrite o Dhcp4Config = '/';
		 readwrite o Ip4Config = '/';
		 readonly u State = 2;
		 readwrite u Ip4Address = 0;
		 readonly u Capabilities = 3;
		 readonly s Driver = 'e1000e';
		 readwrite s Interface = 'eth0';
		 readonly s Udi = '/sys/devices/pci0000:00/0000:00:19.0/net/eth0';

       The --recurse and --only-properties options can be useful when wanting
       to inspect all objects owned by a particular process:

	   $ gdbus introspect --system --dest org.freedesktop.UPower --object-path / --recurse	--only-properties
	   node / {
	     node /org {
	       node /org/freedesktop {
		 node /org/freedesktop/UPower {
		   interface org.freedesktop.UPower {
		       readonly b IsDocked = true;
		       readonly b LidForceSleep = false;
		       readonly b LidIsPresent = false;
		       readonly b LidIsClosed = false;
		       readonly b OnLowBattery = false;
		       readonly b OnBattery = false;
		       readonly b CanHibernate = true;
		       readonly b CanSuspend = true;
		       readonly s DaemonVersion = '0.9.10';
		   node /org/freedesktop/UPower/Policy {
		   node /org/freedesktop/UPower/Wakeups {
		     interface org.freedesktop.UPower.Wakeups {
			 readonly b HasCapability = true;

       In a similar fashion, the introspect command can be used to learn
       details about the Notify method:

	     interface org.freedesktop.Notifications {
		 GetServerInformation(out s return_name,
				      out s return_vendor,
				      out s return_version,
				      out s return_spec_version);
		 GetCapabilities(out as return_caps);
		 CloseNotification(in  u id);
		 Notify(in  s app_name,
			in  u id,
			in  s icon,
			in  s summary,
			in  s body,
			in  as actions,
			in  a{sv} hints,
			in  i timeout,
			out u return_id);

       With this information, it's easy to use the call command to display a

	   $ gdbus call --session \
			--dest org.freedesktop.Notifications \
			--object-path /org/freedesktop/Notifications \
			--method org.freedesktop.Notifications.Notify \
			my_app_name \
			42 \
			gtk-dialog-info \
			"The Summary" \
			"Here's the body of the notification" \
			[] \
			{} \
	   (uint32 12,)

       Monitoring all objects on a service:

	   $ gdbus monitor --system --dest org.freedesktop.ConsoleKit
	   Monitoring signals from all objects owned by org.freedesktop.ConsoleKit
	   The name org.freedesktop.ConsoleKit is owned by :1.15
	   /org/freedesktop/ConsoleKit/Session2: org.freedesktop.ConsoleKit.Session.ActiveChanged (false,)
	   /org/freedesktop/ConsoleKit/Seat1: org.freedesktop.ConsoleKit.Seat.ActiveSessionChanged ('',)
	   /org/freedesktop/ConsoleKit/Session2: org.freedesktop.ConsoleKit.Session.ActiveChanged (true,)
	   /org/freedesktop/ConsoleKit/Seat1: org.freedesktop.ConsoleKit.Seat.ActiveSessionChanged ('/org/freedesktop/ConsoleKit/Session2',)

       Monitoring a single object on a service:

	   $ gdbus monitor --system --dest org.freedesktop.NetworkManager --object-path /org/freedesktop/NetworkManager/AccessPoint/4141
	   Monitoring signals on object /org/freedesktop/NetworkManager/AccessPoint/4141 owned by org.freedesktop.NetworkManager
	   The name org.freedesktop.NetworkManager is owned by :1.5
	   /org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x5c>},)
	   /org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x64>},)
	   /org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x5e>},)
	   /org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x64>},)

       Emitting a signal:

	   $ gdbus emit --session --object-path /foo --signal "['foo', 'bar', 'baz']"

       Emitting a signal to a specific process:

	   $ gdbus emit --session --object-path /bar --signal someString --dest :1.42

       Please send bug reports to either the distribution bug tracker or the
       upstream bug tracker at


GIO								      GDBUS(1)

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