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Diffstat (limited to 'man/sd_bus_message_set_destination.xml')
| -rw-r--r-- | man/sd_bus_message_set_destination.xml | 156 |
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diff --git a/man/sd_bus_message_set_destination.xml b/man/sd_bus_message_set_destination.xml new file mode 100644 index 0000000..e8a1206 --- /dev/null +++ b/man/sd_bus_message_set_destination.xml @@ -0,0 +1,156 @@ +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + SPDX-License-Identifier: LGPL-2.1+ +--> + +<refentry id="sd_bus_message_set_destination" xmlns:xi="http://www.w3.org/2001/XInclude"> + <refentryinfo> + <title>sd_bus_message_set_destination</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>sd_bus_message_set_destination</refentrytitle> + <manvolnum>3</manvolnum> + </refmeta> + + <refnamediv> + <refname>sd_bus_message_set_destination</refname> + <refname>sd_bus_message_get_destination</refname> + <refname>sd_bus_message_get_path</refname> + <refname>sd_bus_message_get_interface</refname> + <refname>sd_bus_message_get_member</refname> + <refname>sd_bus_message_set_sender</refname> + <refname>sd_bus_message_get_sender</refname> + + <refpurpose>Set and query bus message addressing information</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> + + <funcprototype> + <funcdef>int <function>sd_bus_message_set_destination</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + <paramdef>const char *<parameter>destination</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>const char* <function>sd_bus_message_get_destination</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>const char* <function>sd_bus_message_get_path</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>const char* <function>sd_bus_message_get_interface</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>const char* <function>sd_bus_message_get_member</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>int <function>sd_bus_message_set_sender</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + <paramdef>const char *<parameter>sender</parameter></paramdef> + </funcprototype> + + <funcprototype> + <funcdef>const char* <function>sd_bus_message_get_sender</function></funcdef> + <paramdef>sd_bus_message *<parameter>message</parameter></paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><function>sd_bus_message_set_destination()</function> sets the destination service name + for the specified bus message object. The specified name must be a valid unique or well-known + service name.</para> + + <para><function>sd_bus_message_get_destination()</function>, + <function>sd_bus_message_get_path()</function>, + <function>sd_bus_message_get_interface()</function>, and + <function>sd_bus_message_get_member()</function> return the destination, path, interface, and + member fields from <parameter>message</parameter> header. The return value will be + <constant>NULL</constant> is <parameter>message</parameter> is <constant>NULL</constant> or the + message is of a type that doesn't use those fields or the message doesn't have them set. See + <citerefentry><refentrytitle>sd_bus_message_new_method_call</refentrytitle><manvolnum>3</manvolnum></citerefentry> + and + <citerefentry><refentrytitle>sd_bus_message_set_destination</refentrytitle><manvolnum>3</manvolnum></citerefentry> + for more discussion of those values.</para> + + + <para><function>sd_bus_message_set_sender()</function> sets the sender service name for the specified bus message + object. The specified name must be a valid unique or well-known service name. This function is useful only for + messages to send on direct connections as for connections to bus brokers the broker will fill in the destination + field anyway, and the sender field set by original sender is ignored.</para> + + <para><function>sd_bus_message_get_sender()</function> returns the sender field from + <parameter>message</parameter>.</para> + + <para>When a string is returned, it is a pointer to internal storage, and may not be modified or + freed. It is only valid as long as the <parameter>message</parameter> remains referenced and + this field hasn't been changed by a different call.</para> + </refsect1> + + <refsect1> + <title>Return Value</title> + + <para>On success, these calls return 0 or a positive integer. On failure, these calls return a + negative errno-style error code.</para> + </refsect1> + + <refsect1> + <title>Errors</title> + + <para>Returned errors may indicate the following problems:</para> + + <variablelist> + <varlistentry> + <term><constant>-EINVAL</constant></term> + + <listitem><para>The <parameter>message</parameter> parameter or the output parameter are + <constant>NULL</constant>.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-EPERM</constant></term> + + <listitem><para>For <function>sd_bus_message_set_destination</function> or + <function>sd_bus_message_set_sender</function>, the message is already + sealed.</para></listitem> + </varlistentry> + + <varlistentry> + <term><constant>-EEXIST</constant></term> + + <listitem><para>The message already has a destination or sender field set.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <xi:include href="libsystemd-pkgconfig.xml" /> + + <refsect1> + <title>See Also</title> + + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_bus_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_bus_set_sender</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |