1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" 3 "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> 4<!-- lifted from troff+man by doclifter --> 5<refentry id='dbussend1'> 6<!-- --> 7<!-- dbus\-send manual page. --> 8<!-- Copyright (C) 2003 Red Hat, Inc. --> 9 10<refmeta> 11<refentrytitle>dbus-send</refentrytitle> 12<manvolnum>1</manvolnum> 13</refmeta> 14<refnamediv id='name'> 15<refname>dbus-send</refname> 16<refpurpose>Send a message to a message bus</refpurpose> 17</refnamediv> 18<!-- body begins here --> 19<refsynopsisdiv id='synopsis'> 20<cmdsynopsis> 21 <command>dbus-send</command> 22 <group choice='opt'><arg choice='plain'>--system </arg><arg choice='plain'>--session </arg></group> 23 <arg choice='opt'>--dest=<replaceable>NAME</replaceable></arg> 24 <arg choice='opt'>--print-reply </arg> 25 <arg choice='opt'>--type=<replaceable>TYPE</replaceable></arg> 26 <arg choice='plain'><replaceable><destination</replaceable></arg> 27 <arg choice='plain'><replaceable>object</replaceable></arg> 28 <arg choice='plain'><replaceable>path></replaceable></arg> 29 <arg choice='plain'><replaceable><message</replaceable></arg> 30 <arg choice='plain'><replaceable>name></replaceable></arg> 31 <arg choice='opt' rep='repeat'><replaceable>contents</replaceable></arg> 32 <sbr/> 33</cmdsynopsis> 34</refsynopsisdiv> 35 36 37<refsect1 id='description'><title>DESCRIPTION</title> 38<para>The <command>dbus-send</command> command is used to send a message to a D-Bus message 39bus. See <ulink url='http://www.freedesktop.org/software/dbus/'>http://www.freedesktop.org/software/dbus/</ulink> for more 40information about the big picture.</para> 41 42 43<para>There are two well-known message buses: the systemwide message bus 44(installed on many systems as the "messagebus" service) and the 45per-user-login-session message bus (started each time a user logs in). 46The --system and --session options direct <command>dbus-send</command> to send 47messages to the system or session buses respectively. If neither is 48specified, <command>dbus-send</command> sends to the session bus.</para> 49 50 51<para>Nearly all uses of <command>dbus-send</command> must provide the --dest argument 52which is the name of a connection on the bus to send the message to. If 53--dest is omitted, no destination is set.</para> 54 55 56<para>The object path and the name of the message to send must always be 57specified. Following arguments, if any, are the message contents 58(message arguments). These are given as type-specified values and 59may include containers (arrays, dicts, and variants) as described below.</para> 60 61<literallayout remap='.nf'> 62<contents> ::= <item> | <container> [ <item> | <container>...] 63<item> ::= <type>:<value> 64<container> ::= <array> | <dict> | <variant> 65<array> ::= array:<type>:<value>[,<value>...] 66<dict> ::= dict:<type>:<type>:<key>,<value>[,<key>,<value>...] 67<variant> ::= variant:<type>:<value> 68<type> ::= string | int16 | uint 16 | int32 | uint32 | int64 | uint64 | double | byte | boolean | objpath 69</literallayout> <!-- .fi --> 70 71<para>D-Bus supports more types than these, but <command>dbus-send</command> currently 72does not. Also, <command>dbus-send</command> does not permit empty containers 73or nested containers (e.g. arrays of variants).</para> 74 75 76<para>Here is an example invocation:</para> 77<literallayout remap='.nf'> 78 79 dbus-send --dest=org.freedesktop.ExampleName \ 80 /org/freedesktop/sample/object/name \ 81 org.freedesktop.ExampleInterface.ExampleMethod \ 82 int32:47 string:'hello world' double:65.32 \ 83 array:string:"1st item","next item","last item" \ 84 dict:string:int32:"one",1,"two",2,"three",3 \ 85 variant:int32:-8 \ 86 objpath:/org/freedesktop/sample/object/name 87 88</literallayout> <!-- .fi --> 89 90<para>Note that the interface is separated from a method or signal 91name by a dot, though in the actual protocol the interface 92and the interface member are separate fields.</para> 93 94</refsect1> 95 96<refsect1 id='options'><title>OPTIONS</title> 97<para>The following options are supported:</para> 98<variablelist remap='TP'> 99 <varlistentry> 100 <term><option>--dest=NAME</option></term> 101 <listitem> 102<para>Specify the name of the connection to receive the message.</para> 103 </listitem> 104 </varlistentry> 105 <varlistentry> 106 <term><option>--print-reply</option></term> 107 <listitem> 108<para>Block for a reply to the message sent, and print any reply received.</para> 109 </listitem> 110 </varlistentry> 111 <varlistentry> 112 <term><option>--system</option></term> 113 <listitem> 114<para>Send to the system message bus.</para> 115 </listitem> 116 </varlistentry> 117 <varlistentry> 118 <term><option>--session</option></term> 119 <listitem> 120<para>Send to the session message bus. (This is the default.)</para> 121 </listitem> 122 </varlistentry> 123 <varlistentry> 124 <term><option>--type=TYPE</option></term> 125 <listitem> 126<para>Specify "method_call" or "signal" (defaults to "signal").</para> 127 128 </listitem> 129 </varlistentry> 130</variablelist> 131</refsect1> 132 133<refsect1 id='author'><title>AUTHOR</title> 134<para>dbus-send was written by Philip Blundell.</para> 135 136</refsect1> 137 138<refsect1 id='bugs'><title>BUGS</title> 139<para>Please send bug reports to the D-Bus mailing list or bug tracker, 140see <ulink url='http://www.freedesktop.org/software/dbus/'>http://www.freedesktop.org/software/dbus/</ulink></para> 141</refsect1> 142</refentry> 143 144