Unix/Linux Go Back    


CentOS 7.0 - man page for gdbus (centos section 1)

Linux & Unix Commands - Search Man Pages
Man Page or Keyword Search:   man
Select Man Page Set:       apropos Keyword Search (sections above)


GDBUS(1)				  User Commands 				 GDBUS(1)

NAME
       gdbus - Tool for working with D-Bus objects

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

       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

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

COMMANDS
       introspect
	   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.

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

       call
	   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.

       emit
	   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.

       help
	   Prints help and exit.

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

EXAMPLES
	 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 {
	       methods:
		 Introspect(out s data);
	     };
	     interface org.freedesktop.DBus.Properties {
	       methods:
		 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 {
	       signals:
		 PropertiesChanged(a{sv} arg_0);
	       properties:
		 readonly b Carrier = false;
		 readonly u Speed = 0;
		 readonly s HwAddress = '00:1D:72:88:BE:97';
	     };
	     interface org.freedesktop.NetworkManager.Device {
	       methods:
		 Disconnect();
	       signals:
		 StateChanged(u arg_0,
			      u arg_1,
			      u arg_2);
	       properties:
		 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 {
		     properties:
		       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 {
		       properties:
			 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 {
	       methods:
		 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 notification

	   $ 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" \
			[] \
			{} \
			5000
	   (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 org.bar.Foo "['foo', 'bar', 'baz']"

       Emitting a signal to a specific process:

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

BUGS
       Please send bug reports to either the distribution bug tracker or the upstream bug tracker
       at https://bugzilla.gnome.org/enter_bug.cgi?product=glib.

SEE ALSO
       dbus-send(1)

GIO											 GDBUS(1)
Unix & Linux Commands & Man Pages : ©2000 - 2018 Unix and Linux Forums


All times are GMT -4. The time now is 09:11 AM.