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<a href="#dbus-glib-DBusGProxy.description" class="shortcut">Description</a>
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<h2><span class="refentrytitle"><a name="dbus-glib-DBusGProxy.top_of_page"></a>DBusGProxy</span></h2>
<p>DBusGProxy — DBus Proxy</p>
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<div class="refsect1">
<a name="dbus-glib-DBusGProxy.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
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<div class="refsynopsisdiv">
<a name="dbus-glib-DBusGProxy.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <dbus/dbus-glib.h>
struct <a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy">DBusGProxy</a>;
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall">DBusGProxyCall</a>;
<span class="returnvalue">void</span> (<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCallNotify" title="DBusGProxyCallNotify ()">*DBusGProxyCallNotify</a>) (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call_id</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name" title="dbus_g_proxy_new_for_name ()">dbus_g_proxy_new_for_name</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()">dbus_g_proxy_new_for_name_owner</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-from-proxy" title="dbus_g_proxy_new_from_proxy ()">dbus_g_proxy_new_from_proxy</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-peer" title="dbus_g_proxy_new_for_peer ()">dbus_g_proxy_new_for_peer</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-set-interface" title="dbus_g_proxy_set_interface ()">dbus_g_proxy_set_interface</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *interface_name</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-get-path" title="dbus_g_proxy_get_path ()">dbus_g_proxy_get_path</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-get-bus-name" title="dbus_g_proxy_get_bus_name ()">dbus_g_proxy_get_bus_name</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-get-interface" title="dbus_g_proxy_get_interface ()">dbus_g_proxy_get_interface</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-add-signal" title="dbus_g_proxy_add_signal ()">dbus_g_proxy_add_signal</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_type</code></em>,
<em class="parameter"><code>...</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-connect-signal" title="dbus_g_proxy_connect_signal ()">dbus_g_proxy_connect_signal</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GCallback</span> handler</code></em>,
<em class="parameter"><code><span class="type">void</span> *data</code></em>,
<em class="parameter"><code><span class="type">GClosureNotify</span> free_data_func</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-disconnect-signal" title="dbus_g_proxy_disconnect_signal ()">dbus_g_proxy_disconnect_signal</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GCallback</span> handler</code></em>,
<em class="parameter"><code><span class="type">void</span> *data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-send" title="dbus_g_proxy_send ()">dbus_g_proxy_send</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><span class="type">DBusMessage</span> *message</code></em>,
<em class="parameter"><code><span class="type">dbus_uint32_t</span> *client_serial</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-call" title="dbus_g_proxy_call ()">dbus_g_proxy_call</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-call-with-timeout" title="dbus_g_proxy_call_with_timeout ()">dbus_g_proxy_call_with_timeout</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-call-no-reply" title="dbus_g_proxy_call_no_reply ()">dbus_g_proxy_call_no_reply</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="returnvalue">DBusGProxyCall</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()">dbus_g_proxy_begin_call</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCallNotify" title="DBusGProxyCallNotify ()"><span class="type">DBusGProxyCallNotify</span></a> notify</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="returnvalue">DBusGProxyCall</span></a> * <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call-with-timeout" title="dbus_g_proxy_begin_call_with_timeout ()">dbus_g_proxy_begin_call_with_timeout</a>
(<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCallNotify" title="DBusGProxyCallNotify ()"><span class="type">DBusGProxyCallNotify</span></a> notify</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-end-call" title="dbus_g_proxy_end_call ()">dbus_g_proxy_end_call</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-cancel-call" title="dbus_g_proxy_cancel_call ()">dbus_g_proxy_cancel_call</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call</code></em>);
<span class="returnvalue">void</span> <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-set-default-timeout" title="dbus_g_proxy_set_default_timeout ()">dbus_g_proxy_set_default_timeout</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGProxy.description"></a><h2>Description</h2>
<p>
A <a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> is a <span class="type">GObject</span> representing a remote object in a D-Bus
service.
</p>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGProxy.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="DBusGProxy"></a><h3>struct DBusGProxy</h3>
<pre class="programlisting">struct DBusGProxy {
};
</pre>
<p>
A <span class="type">GObject</span> representing a remote object in a D-Bus service.
</p>
</div>
<hr>
<div class="refsect2">
<a name="DBusGProxyCall"></a><h3>DBusGProxyCall</h3>
<pre class="programlisting">typedef struct _DBusGProxyCall DBusGProxyCall;</pre>
<p>
An opaque pointer representing an asynchronous call in progress.
</p>
</div>
<hr>
<div class="refsect2">
<a name="DBusGProxyCallNotify"></a><h3>DBusGProxyCallNotify ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*DBusGProxyCallNotify) (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call_id</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
<p>
Called when a reply to the call represented by <em class="parameter"><code>call_id</code></em> arrives.
Use <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-end-call" title="dbus_g_proxy_end_call ()"><code class="function">dbus_g_proxy_end_call()</code></a> to see whether <em class="parameter"><code>call_id</code></em> succeeded or
failed, and get the arguments returned (if any) on success.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy on which the method was called</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>call_id</code></em> :</span></p></td>
<td>the call in progress</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>data passed to <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()"><code class="function">dbus_g_proxy_begin_call()</code></a> or similar</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-new-for-name"></a><h3>dbus_g_proxy_new_for_name ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * dbus_g_proxy_new_for_name (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>);</pre>
<p>
Creates a new proxy for a remote interface exported by a connection
on a message bus. Method calls and signal connections over this
proxy will go to the name owner; the name's owner is expected to
support the given interface name. THE NAME OWNER MAY CHANGE OVER
TIME, for example between two different method calls, unless the
name is a unique name. If you need a fixed owner, you need to
request the current owner and bind a proxy to its unique name
rather than to the generic name; see
<a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()"><code class="function">dbus_g_proxy_new_for_name_owner()</code></a>.
</p>
<p>
A name-associated proxy only makes sense with a message bus, not
for app-to-app direct dbus connections.
</p>
<p>
This proxy will only emit the "destroy" signal if the
<span class="type">DBusConnection</span> is disconnected, the proxy has no remaining
references, or the name is a unique name and its owner
disappears. If a well-known name changes owner, the proxy will
still be alive.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>the connection to the remote bus</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>any name on the message bus</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>name of the object instance to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iface</code></em> :</span></p></td>
<td>name of the interface to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>new proxy object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-new-for-name-owner"></a><h3>dbus_g_proxy_new_for_name_owner ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * dbus_g_proxy_new_for_name_owner (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Similar to <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name" title="dbus_g_proxy_new_for_name ()"><code class="function">dbus_g_proxy_new_for_name()</code></a>, but makes a round-trip
request to the message bus to get the current name owner, then
binds the proxy to the unique name of the current owner, rather
than to the well-known name. As a result, the name owner will
not change over time, and the proxy will emit the "destroy" signal
when the owner disappears from the message bus.
</p>
<p>
An example of the difference between <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name" title="dbus_g_proxy_new_for_name ()"><code class="function">dbus_g_proxy_new_for_name()</code></a>
and <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()"><code class="function">dbus_g_proxy_new_for_name_owner()</code></a>: if you provide the well-known name
"org.freedesktop.Database" <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name" title="dbus_g_proxy_new_for_name ()"><code class="function">dbus_g_proxy_new_for_name()</code></a> remains bound
to that name as it changes owner. <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()"><code class="function">dbus_g_proxy_new_for_name_owner()</code></a>
will fail if the name has no owner. If the name has an owner,
<a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()"><code class="function">dbus_g_proxy_new_for_name_owner()</code></a> will bind to the unique name
of that owner rather than the generic name.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>the connection to the remote bus</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>any name on the message bus</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>name of the object inside the service to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iface</code></em> :</span></p></td>
<td>name of the interface to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for an error</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>new proxy object, or <code class="literal">NULL</code> on error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-new-from-proxy"></a><h3>dbus_g_proxy_new_from_proxy ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * dbus_g_proxy_new_from_proxy (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>);</pre>
<p>
Creates a proxy using an existing proxy as a template, substituting
the specified interface and path. Either or both may be NULL.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy to use as a template</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iface</code></em> :</span></p></td>
<td>name of the interface to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>of the object inside the peer to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>new proxy object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-new-for-peer"></a><h3>dbus_g_proxy_new_for_peer ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="returnvalue">DBusGProxy</span></a> * dbus_g_proxy_new_for_peer (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *path</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *iface</code></em>);</pre>
<p>
Creates a proxy for an object in peer application (one
we're directly connected to). That is, this function is
intended for use when there's no message bus involved,
we're doing a simple 1-to-1 communication between two
applications.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>the connection to the peer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>name of the object inside the peer to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iface</code></em> :</span></p></td>
<td>name of the interface to call methods on</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>new proxy object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-set-interface"></a><h3>dbus_g_proxy_set_interface ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_set_interface (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *interface_name</code></em>);</pre>
<p>
Sets the object interface proxy is bound to
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>interface_name</code></em> :</span></p></td>
<td>an object interface</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-get-path"></a><h3>dbus_g_proxy_get_path ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * dbus_g_proxy_get_path (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);</pre>
<p>
Gets the path this proxy is bound to
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an object path</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-get-bus-name"></a><h3>dbus_g_proxy_get_bus_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * dbus_g_proxy_get_bus_name (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);</pre>
<p>
Gets the bus name a proxy is bound to (may be <code class="literal">NULL</code> in some cases).
If you created the proxy with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name" title="dbus_g_proxy_new_for_name ()"><code class="function">dbus_g_proxy_new_for_name()</code></a>, then
the name you passed to that will be returned.
If you created it with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-name-owner" title="dbus_g_proxy_new_for_name_owner ()"><code class="function">dbus_g_proxy_new_for_name_owner()</code></a>, then the
unique connection name will be returned. If you created it
with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-new-for-peer" title="dbus_g_proxy_new_for_peer ()"><code class="function">dbus_g_proxy_new_for_peer()</code></a> then <code class="literal">NULL</code> will be returned.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the bus name the proxy sends messages to</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-get-interface"></a><h3>dbus_g_proxy_get_interface ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * dbus_g_proxy_get_interface (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>);</pre>
<p>
Gets the object interface proxy is bound to (may be <code class="literal">NULL</code> in some cases).
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an object interface</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-add-signal"></a><h3>dbus_g_proxy_add_signal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_add_signal (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Specifies the argument signature of a D-Bus signal. When the signal is
emitted by the remote object, if the GTypes corresponding to its arguments'
types do not match the types given here, the signal will be ignored.
</p>
<p>
It is an error to add the same <em class="parameter"><code>signal_name</code></em> to the same <em class="parameter"><code>proxy</code></em> more than
once, even if the argument types given are the same.
</p>
<p>
It is also an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>the proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>signal_name</code></em> :</span></p></td>
<td>the name of the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_type</code></em> :</span></p></td>
<td>the first argument type, or <code class="literal">G_TYPE_INVALID</code> if none</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>any subsequent argument types, followed by <code class="literal">G_TYPE_INVALID</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-connect-signal"></a><h3>dbus_g_proxy_connect_signal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_connect_signal (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GCallback</span> handler</code></em>,
<em class="parameter"><code><span class="type">void</span> *data</code></em>,
<em class="parameter"><code><span class="type">GClosureNotify</span> free_data_func</code></em>);</pre>
<p>
Connect a signal handler to a proxy for a remote interface. When
the remote interface emits the specified signal, the proxy will
emit a corresponding GLib signal.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>signal_name</code></em> :</span></p></td>
<td>the DBus signal name to listen for</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>the handler to connect</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>data to pass to handler</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>free_data_func</code></em> :</span></p></td>
<td>callback function to destroy data</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-disconnect-signal"></a><h3>dbus_g_proxy_disconnect_signal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_disconnect_signal (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *signal_name</code></em>,
<em class="parameter"><code><span class="type">GCallback</span> handler</code></em>,
<em class="parameter"><code><span class="type">void</span> *data</code></em>);</pre>
<p>
Disconnect all signal handlers from a proxy that match the given
criteria.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>signal_name</code></em> :</span></p></td>
<td>the DBus signal name to disconnect</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>the handler to disconnect</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data that was registered with handler</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-send"></a><h3>dbus_g_proxy_send ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_send (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><span class="type">DBusMessage</span> *message</code></em>,
<em class="parameter"><code><span class="type">dbus_uint32_t</span> *client_serial</code></em>);</pre>
<p>
Sends a message to the interface we're proxying for. Does not
block or wait for a reply. The message is only actually written out
when you return to the main loop or block in
<a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-flush" title="dbus_g_connection_flush ()"><code class="function">dbus_g_connection_flush()</code></a>.
</p>
<p>
The message is modified to be addressed to the target interface.
That is, a destination name field or whatever is needed will be
added to the message. The basic point of this function is to add
the necessary header fields, otherwise it's equivalent to
<code class="function">dbus_connection_send()</code>.
</p>
<p>
This function adds a reference to the message, so the caller
still owns its original reference.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td>
<td>the message to address and send</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>client_serial</code></em> :</span></p></td>
<td>return location for message's serial, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-call"></a><h3>dbus_g_proxy_call ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> dbus_g_proxy_call (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Function for synchronously invoking a method and receiving reply
values. This function is equivalent to dbus_g_proxy_begin_call
followed by dbus_g_proxy_end_call. All of the input arguments are
specified first, followed by G_TYPE_INVALID, followed by all of the
output values, followed by a second G_TYPE_INVALID. Note that
this means you must always specify G_TYPE_INVALID twice.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>method</code></em> :</span></p></td>
<td>method to invoke</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for an error</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of first "in" argument, or <code class="literal">G_TYPE_INVALID</code> if none</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>value of first "in" argument, any further type/value pairs,
<code class="literal">G_TYPE_INVALID</code>, type/location pairs for "out" arguments,
and <code class="literal">G_TYPE_INVALID</code> again</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if the method succeeds, <code class="literal">FALSE</code> if it fails</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-call-with-timeout"></a><h3>dbus_g_proxy_call_with_timeout ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> dbus_g_proxy_call_with_timeout (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Function for synchronously invoking a method and receiving reply
values. This function is equivalent to dbus_g_proxy_begin_call
followed by dbus_g_proxy_end_call. All of the input arguments are
specified first, followed by G_TYPE_INVALID, followed by all of the
output values, followed by a second G_TYPE_INVALID. Note that
this means you must always specify G_TYPE_INVALID twice.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>method</code></em> :</span></p></td>
<td>method to invoke</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
<td>the timeout in milliseconds, or -1 to use a default</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for an error</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of first "in" argument</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>as for <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-call" title="dbus_g_proxy_call ()"><code class="function">dbus_g_proxy_call()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if the method succeeds, <code class="literal">FALSE</code> if it fails</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-call-no-reply"></a><h3>dbus_g_proxy_call_no_reply ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_call_no_reply (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Sends a method call message as with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()"><code class="function">dbus_g_proxy_begin_call()</code></a>, but
does not ask for a reply or allow you to receive one.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<p>
TODO: this particular function shouldn't die on out of memory,
since you should be able to do a call with large arguments.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>method</code></em> :</span></p></td>
<td>the name of the method to invoke</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of the first argument, or <code class="literal">G_TYPE_INVALID</code> to call
the method without arguments</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>the first argument and any remaining type/argument pairs, followed by
<code class="literal">G_TYPE_INVALID</code> to terminate the list</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-begin-call"></a><h3>dbus_g_proxy_begin_call ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="returnvalue">DBusGProxyCall</span></a> * dbus_g_proxy_begin_call (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCallNotify" title="DBusGProxyCallNotify ()"><span class="type">DBusGProxyCallNotify</span></a> notify</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Asynchronously invokes a method on a remote interface. The method
call will not be sent over the wire until the application returns
to the main loop, or blocks in <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-flush" title="dbus_g_connection_flush ()"><code class="function">dbus_g_connection_flush()</code></a> to write out
pending data. The call will be completed after a timeout, or when
a reply is received. When the call returns, the callback specified
will be invoked; you can then collect the results of the call
(which may be an error, or a reply), use <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-end-call" title="dbus_g_proxy_end_call ()"><code class="function">dbus_g_proxy_end_call()</code></a>.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<p>
TODO this particular function shouldn't die on out of memory,
since you should be able to do a call with large arguments.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>method</code></em> :</span></p></td>
<td>the name of the method to invoke</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>notify</code></em> :</span></p></td>
<td>callback to be invoked when method returns</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data passed to callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy</code></em> :</span></p></td>
<td>function called to destroy user_data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of the first argument, or <code class="literal">G_TYPE_INVALID</code> if there
are no arguments</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>first argument, followed by any further type/value pairs, followed
by <code class="literal">G_TYPE_INVALID</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>call identifier.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-begin-call-with-timeout"></a><h3>dbus_g_proxy_begin_call_with_timeout ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="returnvalue">DBusGProxyCall</span></a> * dbus_g_proxy_begin_call_with_timeout
(<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *method</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCallNotify" title="DBusGProxyCallNotify ()"><span class="type">DBusGProxyCallNotify</span></a> notify</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Asynchronously invokes a method on a remote interface. The method
call will not be sent over the wire until the application returns
to the main loop, or blocks in <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-flush" title="dbus_g_connection_flush ()"><code class="function">dbus_g_connection_flush()</code></a> to write out
pending data. The call will be completed after a timeout, or when
a reply is received. When the call returns, the callback specified
will be invoked; you can then collect the results of the call
(which may be an error, or a reply), use <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-end-call" title="dbus_g_proxy_end_call ()"><code class="function">dbus_g_proxy_end_call()</code></a>.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<p>
TODO this particular function shouldn't die on out of memory,
since you should be able to do a call with large arguments.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>method</code></em> :</span></p></td>
<td>the name of the method to invoke</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>notify</code></em> :</span></p></td>
<td>callback to be invoked when method returns</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data passed to callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy</code></em> :</span></p></td>
<td>function called to destroy user_data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
<td>the timeout in milliseconds, or -1 to use a default</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of the first argument, or <code class="literal">G_TYPE_INVALID</code> if there
are no arguments</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>first argument, followed by any further type/value pairs, followed
by <code class="literal">G_TYPE_INVALID</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>call identifier.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-end-call"></a><h3>dbus_g_proxy_end_call ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> dbus_g_proxy_end_call (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>,
<em class="parameter"><code><span class="type">GType</span> first_arg_type</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>
Collects the results of a method call. The method call was normally
initiated with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-end-call" title="dbus_g_proxy_end_call ()"><code class="function">dbus_g_proxy_end_call()</code></a>. You may use this function
outside of the callback given to dbus_g_proxy_begin_call; in that
case this function will block if the results haven't yet been
received.
</p>
<p>
All D-Bus method calls can fail with a remote error. If this occurs,
the <em class="parameter"><code>error</code></em> will be set and this function will return <code class="literal">FALSE</code>.
</p>
<p>
Otherwise, the "out" parameters and return value of the
method are stored in the provided varargs list.
The list should be terminated with G_TYPE_INVALID.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>call</code></em> :</span></p></td>
<td>the pending call ID from <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()"><code class="function">dbus_g_proxy_begin_call()</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for an error</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_arg_type</code></em> :</span></p></td>
<td>type of first "out" argument, or <code class="literal">G_TYPE_INVALID</code> if
there are no "out" arguments</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>return location for first "out" argument, followed by any further
type/location pairs, followed by <code class="literal">G_TYPE_INVALID</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-cancel-call"></a><h3>dbus_g_proxy_cancel_call ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_cancel_call (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxyCall" title="DBusGProxyCall"><span class="type">DBusGProxyCall</span></a> *call</code></em>);</pre>
<p>
Cancels a pending method call. The method call was normally
initiated with <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()"><code class="function">dbus_g_proxy_begin_call()</code></a>. This function
may not be used on pending calls that have already been
ended with dbus_g_proxy_end_call.
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>call</code></em> :</span></p></td>
<td>the pending call ID from <a class="link" href="dbus-glib-DBusGProxy.html#dbus-g-proxy-begin-call" title="dbus_g_proxy_begin_call ()"><code class="function">dbus_g_proxy_begin_call()</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-proxy-set-default-timeout"></a><h3>dbus_g_proxy_set_default_timeout ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> dbus_g_proxy_set_default_timeout (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a> *proxy</code></em>,
<em class="parameter"><code><span class="type">int</span> timeout</code></em>);</pre>
<p>
Sets the default timeout to use for a proxy. This timeout will be
used in calls where the timeout is not specified, or is specified to be -1.
If this timeout is also set to -1, libdbus will use a reasonable default
value.
</p>
<p>
This is useful for long-running operations that takes longer than
the default timeout (which is a on the order of magnitude of tens
of seconds). For some applications, consider using a pattern where
the method returns once the operation is underway
(e.g. immediately) and emits a signal when the operation terminates
(though beware of leaking information with/in the signal return value).
</p>
<p>
It is an error to call this method on a proxy that has emitted
the <span class="type">"destroy"</span> signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>a proxy for a remote interface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
<td>the timeout in milliseconds, or -1 to reset to the libdbus default</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.75</p>
</div>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGProxy.see-also"></a><h2>See Also</h2>
<a class="link" href="dbus-glib-DBusGProxy.html#DBusGProxy" title="struct DBusGProxy"><span class="type">DBusGProxy</span></a>
</div>
</div>
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