dbus-send(1) User Commands dbus-send(1)NAMEdbus-send - Send a message to a message bus
SYNOPSISdbus-send [--system | --session] [--dest=name] [--help] [--print-reply]
[--type=type] destination_object_path message_name [contents...]
DESCRIPTION
The dbus-send command is used to send a message to a D-Bus message bus.
There are two standard message buses:
· systemwide message bus - Launched when the system is started and
is always available. Additional systemwide services can be
launched via D-Bus service activation. However, D-Bus service
activation is disabled on Solaris.
· per-user-login-session message bus - Launched each time a user
logs in.
The --system and --session options direct dbus-send to send messages to
the system or session buses respectively. If neither is specified,
dbus-send sends to the session bus.
Nearly all uses of dbus-send must provide the --dest argument which is
the name of a connection on the bus to send the message to. If --dest
is omitted, no destination is set.
The object path and the name of the message to send must always be
specified. Following arguments, if any, are the message contents (mes‐
sage arguments). These are given as type-specified values and may
include containers (arrays, dicts, and variants) as described below.
<contents> ::= <item> | <container> [ <item> | <container>...]
<item> ::= <type>:<value>
<container> ::= <array> | <dict> | <variant>
<array> ::= array:<type>:<value>[,<value>...]
<dict> ::= dict:<type>:<type>:<key>,<value>[,<key>,<value>...]
<variant> ::= variant:<type>:<value>
<type> ::= string | int16 | uint 16 | int32 | uint32 |
int64 | uint64 | double | byte | boolean | objpath
D-Bus supports more types than these, but dbus-send currently does not.
Also, dbus-send does not permit empty containers or nested containers
(e.g. arrays of variants).
OPTIONS
The following options are supported:
--dest=name
Specify the name of the connection to receive the message.
--help
Show help information on standard output and exit.
--print-reply
Block for a reply to the message sent, and print any reply
received.
--session
Send to the session message bus (this is the default).
--system
Send to the system message bus. The system bus is disabled and
unsupported on Solaris.
--type=type
Specify "method_call" or "signal" (defaults to "signal").
OPERANDS
The following operands are supported:
destination_object_path The object path of the message to send must
always be specified.
message_name The name of the message to send must always be
specified.
contents Following arguments, if any, are the message
contents (message arguments). These are given
as a type name, a colon, and then the value of
the argument.
EXAMPLES
Example 1: How to use dbus-send with a sh-compatible shell to start the
per-session bus daemon
example% dbus-send --dest=org.freedesktop.ExampleName \
/org/freedesktop/sample/object/name \
org.freedesktop.ExampleInterface.ExampleMethod \
int32:47 string:'hello world' double:65.32 \
array:string:"1st item","next item","last item" \
dict:string:int32:"one",1,"two",2,"three",3 \
variant:int32:-8 \
objpath:/org/freedesktop/sample/object/name
Note that the interface is separated from a method or signal name by a
dot, though in the actual protocol the interface and the interface mem‐
ber are separate fields.
EXIT STATUS
The following exit values are returned:
0 Application exited successfully
>0 Application exited with failure
FILES
The following files are used by this application:
/usr/bin/dbus-send Executable for dbus-sendATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │system/library/dbus │
├─────────────────────────────┼─────────────────────────────┤
│Interface stability │Volatile │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSO
More information can be found at:
http://www.freedesktop.org/software/dbus/
dbus-binding-tool(1), dbus-cleanup-sockets(1), dbus-daemon(1), dbus-
launch(1), dbus-monitor(1), dbus-uuidgen(1), libdbus-glib-1(3),
attributes(5)NOTES
For authorship information refer to http://www.freedesktop.org/soft‐
ware/dbus/doc/AUTHORS. Updated by Brian Cameron, Sun Microsystems
Inc., 2007.
dbus-send was written by Philip Blundell.
Please send bug reports to the D-Bus mailing list or bug tracker, see
http://www.freedesktop.org/software/dbus/
SunOS 5.11 25 Feb 2009 dbus-send(1)
