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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Zeroconf networking support: GnomeVFS - Filesystem Abstraction library</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="GnomeVFS - Filesystem Abstraction library">
<link rel="up" href="networking.html" title="Networking">
<link rel="prev" href="networking.html" title="Networking">
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<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gnome-vfs-2.0-gnome-vfs-dns-sd.description" class="shortcut">Description</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="networking.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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<div class="refentry">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gnome-vfs-2.0-gnome-vfs-dns-sd.top_of_page"></a>Zeroconf networking support</span></h2>
<p>Zeroconf networking support — Gets information about available Zeroconf (aka <span class="trademark">RendezVous</span>™) services on a local network.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDResolveCallback" title="GnomeVFSDNSSDResolveCallback ()">*GnomeVFSDNSSDResolveCallback</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDBrowseCallback" title="GnomeVFSDNSSDBrowseCallback ()">*GnomeVFSDNSSDBrowseCallback</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()">gnome_vfs_dns_sd_browse</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-stop-browse" title="gnome_vfs_dns_sd_stop_browse ()">gnome_vfs_dns_sd_stop_browse</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-resolve" title="gnome_vfs_dns_sd_resolve ()">gnome_vfs_dns_sd_resolve</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-cancel-resolve" title="gnome_vfs_dns_sd_cancel_resolve ()">gnome_vfs_dns_sd_cancel_resolve</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse-sync" title="gnome_vfs_dns_sd_browse_sync ()">gnome_vfs_dns_sd_browse_sync</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-resolve-sync" title="gnome_vfs_dns_sd_resolve_sync ()">gnome_vfs_dns_sd_resolve_sync</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-service-list-free" title="gnome_vfs_dns_sd_service_list_free ()">gnome_vfs_dns_sd_service_list_free</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-list-browse-domains-sync" title="gnome_vfs_dns_sd_list_browse_domains_sync ()">gnome_vfs_dns_sd_list_browse_domains_sync</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-get-default-browse-domains" title="gnome_vfs_get_default_browse_domains ()">gnome_vfs_get_default_browse_domains</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDServiceStatus" title="enum GnomeVFSDNSSDServiceStatus">GnomeVFSDNSSDServiceStatus</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDService" title="GnomeVFSDNSSDService">GnomeVFSDNSSDService</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GnomeVFSDNSSDResolveCallback"></a><h3>GnomeVFSDNSSDResolveCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GnomeVFSDNSSDResolveCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">GnomeVFSDNSSDResolveHandle</span> *handle</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
                                 <em class="parameter"><code>const <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDService" title="GnomeVFSDNSSDService"><span class="type">GnomeVFSDNSSDService</span></a> *service</code></em>,
                                 <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> port</code></em>,
                                 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#GHashTable"><span class="type">GHashTable</span></a> *text</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> text_raw_len</code></em>,
                                 <em class="parameter"><code>const <span class="type">char</span> *text_raw</code></em>,
                                 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> callback_data</code></em>);</pre>
<p>Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-resolve" title="gnome_vfs_dns_sd_resolve ()"><code class="function">gnome_vfs_dns_sd_resolve()</code></a> function that is called
when a service has been resolved.</p>
<p>The <em class="parameter"><code>host</code></em>
 and <em class="parameter"><code>port</code></em>
 can be used to contact the requested service, and
<em class="parameter"><code>text</code></em>
 contains additional options as defined for the type requested.</p>
<p>To check for options being set in <em class="parameter"><code>text</code></em>
 without any value ("key" as
opposed to "key=value") you must use <a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#g-hash-table-lookup-extended"><code class="function">g_hash_table_lookup_extended()</code></a>, since
they are stored in the hash table with a NULL value, and <a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#g-hash-table-lookup"><code class="function">g_hash_table_lookup()</code></a>
can't tell that from the case where the key is not in the hash table.</p>
<div class="refsect3">
<a name="id-1.10.2.6.2.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>handle of the operation generating the callback</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>whether the resolve succeeded or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>service</p></td>
<td class="parameter_description"><p>the service that was resolved</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p>the host name or ip of the host hosting the service</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>port</p></td>
<td class="parameter_description"><p>the port number to use for the service</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text</p></td>
<td class="parameter_description"><p>a hash table giving additional options about the service</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text_raw_len</p></td>
<td class="parameter_description"><p>length of <em class="parameter"><code>text_raw</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text_raw</p></td>
<td class="parameter_description"><p>raw version of the additional options in <em class="parameter"><code>text</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data</p></td>
<td class="parameter_description"><p>user data defined when the callback was established</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSDNSSDBrowseCallback"></a><h3>GnomeVFSDNSSDBrowseCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GnomeVFSDNSSDBrowseCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">GnomeVFSDNSSDBrowseHandle</span> *handle</code></em>,
                                <em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDServiceStatus" title="enum GnomeVFSDNSSDServiceStatus"><span class="type">GnomeVFSDNSSDServiceStatus</span></a> status</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDService" title="GnomeVFSDNSSDService"><span class="type">GnomeVFSDNSSDService</span></a> *service</code></em>,
                                <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> callback_data</code></em>);</pre>
<p>Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a> function that informs
the user of services that are added or removed.</p>
<div class="refsect3">
<a name="id-1.10.2.6.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>handle of the operation generating the callback</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>whether a service addition or removal was detected</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>service</p></td>
<td class="parameter_description"><p>the service that was discovered or removed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data</p></td>
<td class="parameter_description"><p>user data defined when the callback was established</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-browse"></a><h3>gnome_vfs_dns_sd_browse ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_browse (<em class="parameter"><code><span class="type">GnomeVFSDNSSDBrowseHandle</span> **handle</code></em>,
                         <em class="parameter"><code>const <span class="type">char</span> *domain</code></em>,
                         <em class="parameter"><code>const <span class="type">char</span> *type</code></em>,
                         <em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDBrowseCallback" title="GnomeVFSDNSSDBrowseCallback ()"><span class="type">GnomeVFSDNSSDBrowseCallback</span></a> callback</code></em>,
                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> callback_data</code></em>,
                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> callback_data_destroy_func</code></em>);</pre>
<p>Browses <em class="parameter"><code>domain</code></em>
 for service of the type <em class="parameter"><code>type</code></em>
, calling <em class="parameter"><code>callback</code></em>
 whenever
a new one is found or removed.</p>
<p>The domain to use can be "local" for multicast dns on the local network
(known as mDNS), or it can be the domain of the current host. You can also
use <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-list-browse-domains-sync" title="gnome_vfs_dns_sd_list_browse_domains_sync ()"><code class="function">gnome_vfs_dns_sd_list_browse_domains_sync()</code></a> to get a list of domains
that are interested in a particular domain.</p>
<p>The type is a string of the form "_type._tcp" or "_type._udp", where type
is a service type registered at http://www.dns-sd.org/ServiceTypes.html.</p>
<div class="refsect3">
<a name="id-1.10.2.6.4.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>pointer to a pointer to a <span class="type">GnomeVFSDNSSDBrowseHandle</span> object.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>domain</p></td>
<td class="parameter_description"><p>dns domain to browse, or "local" for multicast DNS.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>type of service to browse for.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p>function to be called when service is discovered.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data</p></td>
<td class="parameter_description"><p>data to pass to <em class="parameter"><code>callback</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data_destroy_func</p></td>
<td class="parameter_description"><p>optional destructor function for <em class="parameter"><code>callback_data</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.4.8"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-stop-browse"></a><h3>gnome_vfs_dns_sd_stop_browse ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_stop_browse (<em class="parameter"><code><span class="type">GnomeVFSDNSSDBrowseHandle</span> *handle</code></em>);</pre>
<p>Stops browsing a domain started with <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>.</p>
<div class="refsect3">
<a name="id-1.10.2.6.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>handle of the browse operation to be stopped.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.5.6"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-resolve"></a><h3>gnome_vfs_dns_sd_resolve ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_resolve (<em class="parameter"><code><span class="type">GnomeVFSDNSSDResolveHandle</span> **handle</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> *type</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *domain</code></em>,
                          <em class="parameter"><code><span class="type">int</span> timeout</code></em>,
                          <em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDResolveCallback" title="GnomeVFSDNSSDResolveCallback ()"><span class="type">GnomeVFSDNSSDResolveCallback</span></a> callback</code></em>,
                          <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> callback_data</code></em>,
                          <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> callback_data_destroy_func</code></em>);</pre>
<p>Tries to resolve a specific service (typically recieved from
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>) into a hostname/ip, port number and additional
options.</p>
<p>If you ever have to save a reference to a service you should store the
unresolved name/type/domain tripplet, because the actual host for the
service can change.</p>
<p>The <em class="parameter"><code>timeout</code></em>
 argument is primarily useful for local resolves, since the
host owning the service might no longer be around to answer.</p>
<div class="refsect3">
<a name="id-1.10.2.6.6.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>pointer to a pointer to a <span class="type">GnomeVFSDNSSDResolveHandle</span> object.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>name of the service to resolve in UTF-8 encoding.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>type of the service to resolve.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>domain</p></td>
<td class="parameter_description"><p>dns domain of the service to resolve, or "local" for multicast DNS.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeout</p></td>
<td class="parameter_description"><p>maximum time (in milliseconds) to try to resolve, or zero if no maximum.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p>function to be called when the service has been resolved.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data</p></td>
<td class="parameter_description"><p>data to pass to <em class="parameter"><code>callback</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback_data_destroy_func</p></td>
<td class="parameter_description"><p>optional destructor function for <em class="parameter"><code>callback_data</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.6.8"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-cancel-resolve"></a><h3>gnome_vfs_dns_sd_cancel_resolve ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_cancel_resolve (<em class="parameter"><code><span class="type">GnomeVFSDNSSDResolveHandle</span> *handle</code></em>);</pre>
<p>Cancels resolving a service started with <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-resolve" title="gnome_vfs_dns_sd_resolve ()"><code class="function">gnome_vfs_dns_sd_resolve()</code></a>.</p>
<div class="refsect3">
<a name="id-1.10.2.6.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>handle of the resolve operation to be cancelled.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.7.6"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-browse-sync"></a><h3>gnome_vfs_dns_sd_browse_sync ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_browse_sync (<em class="parameter"><code>const <span class="type">char</span> *domain</code></em>,
                              <em class="parameter"><code>const <span class="type">char</span> *type</code></em>,
                              <em class="parameter"><code><span class="type">int</span> timeout_msec</code></em>,
                              <em class="parameter"><code><span class="type">int</span> *n_services</code></em>,
                              <em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDService" title="GnomeVFSDNSSDService"><span class="type">GnomeVFSDNSSDService</span></a> **services</code></em>);</pre>
<p>Browses <em class="parameter"><code>domain</code></em>
 for service of the type <em class="parameter"><code>type</code></em>
, returning the result
after blocking for the duration of the browse. For details about <em class="parameter"><code>domain</code></em>

and <em class="parameter"><code>type</code></em>
, see <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>.</p>
<p><em class="parameter"><code>timeout</code></em>
 is essential for the "local" domain, since you can never really
know when you've gotten the full set of return values when using multicast.</p>
<p>The returned list can be freed with <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-service-list-free" title="gnome_vfs_dns_sd_service_list_free ()"><code class="function">gnome_vfs_dns_sd_service_list_free()</code></a>.</p>
<p>This is a synchronous version of <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>, see that for
more details.</p>
<div class="refsect3">
<a name="id-1.10.2.6.8.8"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>domain</p></td>
<td class="parameter_description"><p>The dns domain to browse, or "local" for multicast DNS.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>type of the service to browse for.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeout_msec</p></td>
<td class="parameter_description"><p>maximum time to browse, in milliseconds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>n_services</p></td>
<td class="parameter_description"><p>pointer to location to store number of returned services.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>services</p></td>
<td class="parameter_description"><p>pointer to location to store returned services.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.8.9"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-resolve-sync"></a><h3>gnome_vfs_dns_sd_resolve_sync ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_resolve_sync (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
                               <em class="parameter"><code>const <span class="type">char</span> *type</code></em>,
                               <em class="parameter"><code>const <span class="type">char</span> *domain</code></em>,
                               <em class="parameter"><code><span class="type">int</span> timeout_msec</code></em>,
                               <em class="parameter"><code><span class="type">char</span> **host</code></em>,
                               <em class="parameter"><code><span class="type">int</span> *port</code></em>,
                               <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#GHashTable"><span class="type">GHashTable</span></a> **text</code></em>,
                               <em class="parameter"><code><span class="type">int</span> *text_raw_len_out</code></em>,
                               <em class="parameter"><code><span class="type">char</span> **text_raw_out</code></em>);</pre>
<p>Tries to resolve a specific service (typically recieved from
<a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>) into a hostname/ip, port number and additional
options.</p>
<p>This is a synchronous version of <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-resolve" title="gnome_vfs_dns_sd_resolve ()"><code class="function">gnome_vfs_dns_sd_resolve()</code></a>, see that (and
its callback <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDResolveCallback" title="GnomeVFSDNSSDResolveCallback ()"><code class="function">GnomeVFSDNSSDResolveCallback()</code></a>) for more details.</p>
<div class="refsect3">
<a name="id-1.10.2.6.9.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>name of the service to resolve in UTF-8 encoding.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>type of the service to resolve.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>domain</p></td>
<td class="parameter_description"><p>dns domain of the service to resolve, or "local" for multicast DNS.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeout_msec</p></td>
<td class="parameter_description"><p>maximum time(in milliseconds) to try to resolve.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p>location to store the host name or ip of the host hosting the service.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>port</p></td>
<td class="parameter_description"><p>location to store the port number to use for the service.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text</p></td>
<td class="parameter_description"><p>location to store a hash table giving additional options about the service.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text_raw_len_out</p></td>
<td class="parameter_description"><p>location to store length of <em class="parameter"><code>text_raw_out</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>text_raw_out</p></td>
<td class="parameter_description"><p>location to store raw version of the additional options in <em class="parameter"><code>text</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.9.7"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-service-list-free"></a><h3>gnome_vfs_dns_sd_service_list_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnome_vfs_dns_sd_service_list_free (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#GnomeVFSDNSSDService" title="GnomeVFSDNSSDService"><span class="type">GnomeVFSDNSSDService</span></a> *services</code></em>,
                                    <em class="parameter"><code><span class="type">int</span> n_services</code></em>);</pre>
<p>Frees a list of services as returned by <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse-sync" title="gnome_vfs_dns_sd_browse_sync ()"><code class="function">gnome_vfs_dns_sd_browse_sync()</code></a>.</p>
<div class="refsect3">
<a name="id-1.10.2.6.10.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>services</p></td>
<td class="parameter_description"><p>the list of services to free.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>n_services</p></td>
<td class="parameter_description"><p>the number of services to free.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-dns-sd-list-browse-domains-sync"></a><h3>gnome_vfs_dns_sd_list_browse_domains_sync ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a>
gnome_vfs_dns_sd_list_browse_domains_sync
                               (<em class="parameter"><code>const <span class="type">char</span> *domain</code></em>,
                                <em class="parameter"><code><span class="type">int</span> timeout_msec</code></em>,
                                <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> **domains</code></em>);</pre>
<p>Lists the recommended browsing domains for a specific dns domain.
This can be used to find interesting domains for the domain
you are currently in. These can then be browsed with <a class="link" href="gnome-vfs-2.0-gnome-vfs-dns-sd.html#gnome-vfs-dns-sd-browse" title="gnome_vfs_dns_sd_browse ()"><code class="function">gnome_vfs_dns_sd_browse()</code></a>.</p>
<div class="refsect3">
<a name="id-1.10.2.6.11.5"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>domain</p></td>
<td class="parameter_description"><p>the domain to list browsable domains in.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeout_msec</p></td>
<td class="parameter_description"><p>maximum time to run, in milliseconds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>domains</p></td>
<td class="parameter_description"><p>location to store the returned list of domain names strings.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.10.2.6.11.6"></a><h4>Returns</h4>
<p> an integer representing the result of the operation.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-get-default-browse-domains"></a><h3>gnome_vfs_get_default_browse_domains ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
gnome_vfs_get_default_browse_domains (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Returns a list of domain names that is useful to
browse for standard services. The list is generated
by contacting the dns server of the domain part the
hostname and asking for the list of browse domains.
Then extra domains from a gconf setting is added.</p>
<p>The "local" domain is not normally returned by this.
Care should be taken with local services so that its
obvious that they are local, and cannot be confused
with non-local services.</p>
<div class="refsect3">
<a name="id-1.10.2.6.12.6"></a><h4>Returns</h4>
<p> a <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of domain name strings.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-dns-sd.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GnomeVFSDNSSDServiceStatus"></a><h3>enum GnomeVFSDNSSDServiceStatus</h3>
<p>
</p>
<div class="refsect3">
<a name="id-1.10.2.7.2.4"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNOME-VFS-DNS-SD-SERVICE-ADDED:CAPS"></a>GNOME_VFS_DNS_SD_SERVICE_ADDED</p></td>
<td class="enum_member_description"> </td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNOME-VFS-DNS-SD-SERVICE-REMOVED:CAPS"></a>GNOME_VFS_DNS_SD_SERVICE_REMOVED</p></td>
<td class="enum_member_description"> </td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSDNSSDService"></a><h3>GnomeVFSDNSSDService</h3>
<pre class="programlisting">typedef struct {
	char *name;
	char *type;
	char *domain;
} GnomeVFSDNSSDService;
</pre>
<p>
</p>
</div>
</div>
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