mirror of
https://gitlab.gnome.org/GNOME/glib.git
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b75a16b048
This allows the flag to allow interactive auth to be set. Previously, it was unconditionally unset. Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
430 lines
14 KiB
XML
430 lines
14 KiB
XML
<refentry id="gdbus" lang="en">
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<refentryinfo>
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<title>gdbus</title>
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<productname>GIO</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>David</firstname>
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<surname>Zeuthen</surname>
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<email>zeuthen@gmail.com</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>gdbus</refentrytitle>
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<manvolnum>1</manvolnum>
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<refmiscinfo class="manual">User Commands</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>gdbus</refname>
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<refpurpose>Tool for working with D-Bus objects</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">introspect</arg>
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<group>
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<arg choice="plain">--system</arg>
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<arg choice="plain">--session</arg>
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<arg choice="plain">--address <replaceable>address</replaceable></arg>
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</group>
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<arg choice="plain">--dest <replaceable>bus_name</replaceable></arg>
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<arg choice="plain">--object-path <replaceable>/path/to/object</replaceable></arg>
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<group>
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<arg choice="plain">--xml</arg>
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</group>
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<group>
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<arg choice="plain">--recurse</arg>
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</group>
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<group>
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<arg choice="plain">--only-properties</arg>
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</group>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">monitor</arg>
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<group>
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<arg choice="plain">--system</arg>
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<arg choice="plain">--session</arg>
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<arg choice="plain">--address <replaceable>address</replaceable></arg>
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</group>
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<arg choice="plain">--dest <replaceable>bus_name</replaceable></arg>
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<group>
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<arg choice="plain">--object-path <replaceable>/path/to/object</replaceable></arg>
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</group>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">call</arg>
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<group>
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<arg choice="plain">--system</arg>
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<arg choice="plain">--session</arg>
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<arg choice="plain">--address <replaceable>address</replaceable></arg>
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</group>
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<arg choice="plain">--dest <replaceable>bus_name</replaceable></arg>
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<arg choice="plain">--object-path <replaceable>/path/to/object</replaceable></arg>
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<arg choice="plain">--method <replaceable>org.project.InterfaceName.MethodName</replaceable></arg>
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<group>
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<arg choice="plain">--timeout <replaceable>seconds</replaceable></arg>
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<arg choice="plain">--interactive</arg>
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</group>
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<arg choice="plain">ARG1</arg>
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<arg choice="plain" rep="repeat">ARG2</arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">emit</arg>
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<group>
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<arg choice="plain">--system</arg>
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<arg choice="plain">--session</arg>
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<arg choice="plain">--address <replaceable>address</replaceable></arg>
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</group>
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<arg choice="plain">--object-path <replaceable>/path/to/object</replaceable></arg>
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<arg choice="plain">--signal <replaceable>org.project.InterfaceName.SignalName</replaceable></arg>
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<group>
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<arg choice="plain">--dest <replaceable>unique_bus_name</replaceable></arg>
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</group>
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<arg choice="plain">ARG1</arg>
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<arg choice="plain" rep="repeat">ARG2</arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">wait</arg>
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<group>
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<arg choice="plain">--system</arg>
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<arg choice="plain">--session</arg>
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<arg choice="plain">--address <replaceable>address</replaceable></arg>
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</group>
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<arg choice="plain">--activate <replaceable>bus_name</replaceable></arg>
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<group>
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<arg choice="plain">--timeout <replaceable>seconds</replaceable></arg>
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</group>
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<arg choice="plain"><replaceable>bus_name</replaceable></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>gdbus</command>
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<arg choice="plain">help</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>
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<command>gdbus</command> is a simple tool for working with D-Bus objects.
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</para>
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</refsect1>
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<refsect1>
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<title>Commands</title>
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<variablelist>
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<varlistentry>
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<term><option>introspect</option></term>
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<listitem><para>
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Prints out interfaces and property values for a remote object.
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For this to work, the owner of the object needs to implement the
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<literal>org.freedesktop.DBus.Introspectable</literal> interface.
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If the <option>--xml</option> option is used, the returned
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introspection XML is printed, otherwise a parsed pretty
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representation is printed.
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The <option>--recurse</option> option can be used to
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introspect children (and their children and so on) and the
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<option>--only-properties</option> option can be used to
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only print the interfaces with properties.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>monitor</option></term>
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<listitem><para>
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Monitors one or all objects owned by the owner of
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<replaceable>bus_name</replaceable>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>call</option></term>
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<listitem><para>
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Invokes a method on a remote object. Each argument to pass to the
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method must be specified as a serialized
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<link linkend="GVariant"><type>GVariant</type></link> except that strings do
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not need explicit quotes. The return values are printed out as
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serialized <link linkend="GVariant"><type>GVariant</type></link>
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values.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>emit</option></term>
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<listitem><para>
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Emits a signal. Each argument to include in the signal must be specified as a serialized
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<link linkend="GVariant"><type>GVariant</type></link> except that strings do
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not need explicit quotes.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>wait</option></term>
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<listitem><para>
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Waits until <replaceable>bus_name</replaceable> is owned by some
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process on the bus. If the <option>--activate</option> is specified,
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that bus name will be auto-started first. It may be the same as the
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bus name being waited for, or different.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>help</option></term>
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<listitem><para>
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Prints help and exit.
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</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Bash Completion</title>
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<para>
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<command>gdbus</command> ships with a bash completion script to
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complete commands, destinations, bus names, object paths and
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interface/method names.
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</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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This shows how to introspect an object - note that the value of each
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property is displayed:
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<programlisting>
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$ gdbus introspect --system \
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--dest org.freedesktop.NetworkManager \
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--object-path /org/freedesktop/NetworkManager/Devices/0
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node /org/freedesktop/NetworkManager/Devices/0 {
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interface org.freedesktop.DBus.Introspectable {
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methods:
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Introspect(out s data);
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};
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interface org.freedesktop.DBus.Properties {
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methods:
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Get(in s interface,
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in s propname,
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out v value);
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Set(in s interface,
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in s propname,
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in v value);
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GetAll(in s interface,
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out a{sv} props);
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};
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interface org.freedesktop.NetworkManager.Device.Wired {
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signals:
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PropertiesChanged(a{sv} arg_0);
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properties:
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readonly b Carrier = false;
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readonly u Speed = 0;
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readonly s HwAddress = '00:1D:72:88:BE:97';
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};
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interface org.freedesktop.NetworkManager.Device {
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methods:
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Disconnect();
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signals:
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StateChanged(u arg_0,
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u arg_1,
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u arg_2);
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properties:
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readonly u DeviceType = 1;
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readonly b Managed = true;
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readwrite o Ip6Config = '/';
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readwrite o Dhcp4Config = '/';
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readwrite o Ip4Config = '/';
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readonly u State = 2;
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readwrite u Ip4Address = 0;
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readonly u Capabilities = 3;
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readonly s Driver = 'e1000e';
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readwrite s Interface = 'eth0';
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readonly s Udi = '/sys/devices/pci0000:00/0000:00:19.0/net/eth0';
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};
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};
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</programlisting>
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<para>
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The <option>--recurse</option> and <option>--only-properties</option> options can be useful when wanting to inspect all objects owned by a particular process:
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</para>
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<programlisting>
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$ gdbus introspect --system --dest org.freedesktop.UPower --object-path / --recurse --only-properties
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node / {
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node /org {
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node /org/freedesktop {
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node /org/freedesktop/UPower {
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interface org.freedesktop.UPower {
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properties:
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readonly b IsDocked = true;
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readonly b LidForceSleep = false;
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readonly b LidIsPresent = false;
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readonly b LidIsClosed = false;
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readonly b OnLowBattery = false;
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readonly b OnBattery = false;
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readonly b CanHibernate = true;
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readonly b CanSuspend = true;
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readonly s DaemonVersion = '0.9.10';
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};
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node /org/freedesktop/UPower/Policy {
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};
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node /org/freedesktop/UPower/Wakeups {
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interface org.freedesktop.UPower.Wakeups {
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properties:
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readonly b HasCapability = true;
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};
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};
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};
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};
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};
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};
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</programlisting>
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<para>
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In a similar fashion, the <option>introspect</option> command can be
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used to learn details about the <literal>Notify</literal> method:
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</para>
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<programlisting>
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[...]
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interface org.freedesktop.Notifications {
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methods:
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GetServerInformation(out s return_name,
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out s return_vendor,
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out s return_version,
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out s return_spec_version);
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GetCapabilities(out as return_caps);
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CloseNotification(in u id);
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Notify(in s app_name,
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in u id,
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in s icon,
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in s summary,
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in s body,
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in as actions,
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in a{sv} hints,
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in i timeout,
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out u return_id);
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};
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[...]
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</programlisting>
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<para>
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With this information, it's easy to use the <option>call</option>
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command to display a notification
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</para>
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<programlisting>
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$ gdbus call --session \
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--dest org.freedesktop.Notifications \
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--object-path /org/freedesktop/Notifications \
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--method org.freedesktop.Notifications.Notify \
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my_app_name \
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42 \
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gtk-dialog-info \
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"The Summary" \
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"Here's the body of the notification" \
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[] \
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{} \
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5000
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(uint32 12,)
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</programlisting>
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<para>
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Call a method with file handle argument:
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</para>
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<programlisting>
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$ gdbus call --session \
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--dest org.example.foo \
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--object-path /org/example/foo \
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--method SendFDs \
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1 \
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10 \
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10<file.foo
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</programlisting>
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<para>
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Monitoring all objects on a service:
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</para>
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<programlisting>
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$ gdbus monitor --system --dest org.freedesktop.ConsoleKit
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Monitoring signals from all objects owned by org.freedesktop.ConsoleKit
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The name org.freedesktop.ConsoleKit is owned by :1.15
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/org/freedesktop/ConsoleKit/Session2: org.freedesktop.ConsoleKit.Session.ActiveChanged (false,)
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/org/freedesktop/ConsoleKit/Seat1: org.freedesktop.ConsoleKit.Seat.ActiveSessionChanged ('',)
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/org/freedesktop/ConsoleKit/Session2: org.freedesktop.ConsoleKit.Session.ActiveChanged (true,)
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/org/freedesktop/ConsoleKit/Seat1: org.freedesktop.ConsoleKit.Seat.ActiveSessionChanged ('/org/freedesktop/ConsoleKit/Session2',)
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</programlisting>
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<para>
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Monitoring a single object on a service:
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</para>
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<programlisting>
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$ gdbus monitor --system --dest org.freedesktop.NetworkManager --object-path /org/freedesktop/NetworkManager/AccessPoint/4141
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Monitoring signals on object /org/freedesktop/NetworkManager/AccessPoint/4141 owned by org.freedesktop.NetworkManager
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The name org.freedesktop.NetworkManager is owned by :1.5
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/org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x5c>},)
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/org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x64>},)
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/org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x5e>},)
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/org/freedesktop/NetworkManager/AccessPoint/4141: org.freedesktop.NetworkManager.AccessPoint.PropertiesChanged ({'Strength': <byte 0x64>},)
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</programlisting>
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<para>
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Emitting a signal:
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</para>
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<programlisting>
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$ gdbus emit --session --object-path /foo --signal org.bar.Foo "['foo', 'bar', 'baz']"
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</programlisting>
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<para>
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Emitting a signal to a specific process:
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</para>
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<programlisting>
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$ gdbus emit --session --object-path /bar --signal org.bar.Bar someString --dest :1.42
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</programlisting>
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<para>
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Waiting for a well-known name to be owned on the bus; this will
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<emphasis>not</emphasis> auto-start the service:
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</para>
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<programlisting>
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$ gdbus wait --session org.bar.SomeName
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</programlisting>
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<para>
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Auto-starting then waiting for a well-known name to be owned on the bus:
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</para>
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<programlisting>
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$ gdbus wait --session --activate org.bar.SomeName
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</programlisting>
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<para>
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Auto-starting a different service, then waiting for a well-known name to be
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owned on the bus. This is useful in situations where
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<replaceable>SomeName</replaceable> is not directly activatable:
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</para>
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<programlisting>
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$ gdbus wait --session --activate org.bar.PrerequisiteName org.bar.SomeName
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</programlisting>
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<para>
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Waiting for a well-known name and giving up after 30 seconds. By default,
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the timeout is disabled; or set <option>--timeout</option> to 0 to disable it:
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</para>
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<programlisting>
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$ gdbus wait --session --timeout 30 org.bar.SomeName
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</programlisting>
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</refsect1>
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<refsect1>
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<title>Bugs</title>
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<para>
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Please send bug reports to either the distribution bug tracker
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or the upstream bug tracker at
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<ulink url="https://gitlab.gnome.org/GNOME/glib/issues/new"/>.
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</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry>
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<refentrytitle>dbus-send</refentrytitle><manvolnum>1</manvolnum>
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</citerefentry>
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</para>
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</refsect1>
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</refentry>
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