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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>GrssFeedsSubscriber</title>
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<tr><td colspan="5" class="shortcuts">
<a href="#GrssFeedsSubscriber.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#GrssFeedsSubscriber.description" class="shortcut">Description</a>
                   | 
                  <a href="#GrssFeedsSubscriber.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#GrssFeedsSubscriber.signals" class="shortcut">Signals</a>
</td></tr>
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<div class="refentry">
<a name="GrssFeedsSubscriber"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GrssFeedsSubscriber.top_of_page"></a>GrssFeedsSubscriber</span></h2>
<p>GrssFeedsSubscriber — feeds subscriber</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GrssFeedsSubscriber.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct              <a class="link" href="GrssFeedsSubscriber.html#GrssFeedsSubscriber-struct" title="struct GrssFeedsSubscriber">GrssFeedsSubscriber</a>;
<a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="returnvalue">GrssFeedsSubscriber</span></a> * <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-new" title="grss_feeds_subscriber_new ()">grss_feeds_subscriber_new</a>         ();
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-listen" title="grss_feeds_subscriber_listen ()">grss_feeds_subscriber_listen</a>        (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *feeds</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *             <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-get-listened" title="grss_feeds_subscriber_get_listened ()">grss_feeds_subscriber_get_listened</a>  (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-set-port" title="grss_feeds_subscriber_set_port ()">grss_feeds_subscriber_set_port</a>      (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> port</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-switch" title="grss_feeds_subscriber_switch ()">grss_feeds_subscriber_switch</a>        (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> run</code></em>);
<a href="http://library.gnome.org/devel/gio/unstable/GInetAddress.html"><span class="returnvalue">GInetAddress</span></a> *      <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-get-address" title="grss_feeds_subscriber_get_address ()">grss_feeds_subscriber_get_address</a>   (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-get-port" title="grss_feeds_subscriber_get_port ()">grss_feeds_subscriber_get_port</a>      (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);
<span class="returnvalue">SoupSession</span> *       <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-get-session" title="grss_feeds_subscriber_get_session ()">grss_feeds_subscriber_get_session</a>   (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GrssFeedsSubscriber.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
   +----GrssFeedsSubscriber
</pre>
</div>
<div class="refsect1">
<a name="GrssFeedsSubscriber.signals"></a><h2>Signals</h2>
<pre class="synopsis">
  "<a class="link" href="GrssFeedsSubscriber.html#GrssFeedsSubscriber-notification-received" title='The "notification-received" signal'>notification-received</a>"                          : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GrssFeedsSubscriber.description"></a><h2>Description</h2>
<p>
<a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> is an alternative for <a class="link" href="GrssFeedsPool.html" title="GrssFeedsPool"><span class="type">GrssFeedsPool</span></a>, able to receive
real-time notifications by feeds managed by one of the supported protocols.
When the subscriber is executed (with <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-switch" title="grss_feeds_subscriber_switch ()"><code class="function">grss_feeds_subscriber_switch()</code></a>) it opens
a server on a local port (configurable with <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-set-port" title="grss_feeds_subscriber_set_port ()"><code class="function">grss_feeds_subscriber_set_port()</code></a>),
engage a subscription for each <a class="link" href="GrssFeedChannel.html" title="GrssFeedChannel"><span class="type">GrssFeedChannel</span></a> passed with
<a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-listen" title="grss_feeds_subscriber_listen ()"><code class="function">grss_feeds_subscriber_listen()</code></a>, and waits for direct notifications by the
remote server.
</p>
<p>
Pay attention to the fact this object doesn't provides any NAT traversing
method to receive notification while behind a NAT.
</p>
</div>
<div class="refsect1">
<a name="GrssFeedsSubscriber.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GrssFeedsSubscriber-struct"></a><h3>struct GrssFeedsSubscriber</h3>
<pre class="programlisting">struct GrssFeedsSubscriber;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-new"></a><h3>grss_feeds_subscriber_new ()</h3>
<pre class="programlisting"><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="returnvalue">GrssFeedsSubscriber</span></a> * grss_feeds_subscriber_new         ();</pre>
<p>
Allocates a new <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-listen"></a><h3>grss_feeds_subscriber_listen ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            grss_feeds_subscriber_listen        (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *feeds</code></em>);</pre>
<p>
To set the list of feeds to be managed by <em class="parameter"><code>sub</code></em>. The previous list, if any,
is invalidated. After invokation to the function, <a class="link" href="GrssFeedsSubscriber.html#grss-feeds-subscriber-switch" title="grss_feeds_subscriber_switch ()"><code class="function">grss_feeds_subscriber_switch()</code></a>
must be call to run the subscription.
The list in <em class="parameter"><code>feeds</code></em> can be freed after calling this; linked <a class="link" href="GrssFeedChannel.html" title="GrssFeedChannel"><span class="type">GrssFeedChannel</span></a>
are g_object_ref'd here.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>feeds</code></em> :</span></p></td>
<td>a list of <a class="link" href="GrssFeedChannel.html" title="GrssFeedChannel"><span class="type">GrssFeedChannel</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if all <a href="GrssFeedChannel.html"><span class="type">GrssFeedChannels</span></a> involved in <em class="parameter"><code>feeds</code></em> are valid
and can be listened with one of the implemented procotols, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-get-listened"></a><h3>grss_feeds_subscriber_get_listened ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *             grss_feeds_subscriber_get_listened  (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);</pre>
<p>
Returns the list of feeds currently managed by <em class="parameter"><code>sub</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a list of <a class="link" href="GrssFeedChannel.html" title="GrssFeedChannel"><span class="type">GrssFeedChannel</span></a>, to be freed with <a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#g-list-free"><code class="function">g_list_free()</code></a> when
no longer in use. Do not modify elements found in this list.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-set-port"></a><h3>grss_feeds_subscriber_set_port ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                grss_feeds_subscriber_set_port      (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> port</code></em>);</pre>
<p>
To customize the port opened by the local server to catch incoming
publishers' events. By default this is 8444. Changing the port while the
subscriber is running imply restart the local server.
Pay attention to the fact many publishers' implementations accept only
certain ports.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>port</code></em> :</span></p></td>
<td>new listening port for the server.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-switch"></a><h3>grss_feeds_subscriber_switch ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                grss_feeds_subscriber_switch        (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> run</code></em>);</pre>
<p>
Permits to pause or resume <em class="parameter"><code>sub</code></em> listening for events.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>run</code></em> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to run the subscriber, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to pause it.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-get-address"></a><h3>grss_feeds_subscriber_get_address ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/gio/unstable/GInetAddress.html"><span class="returnvalue">GInetAddress</span></a> *      grss_feeds_subscriber_get_address   (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);</pre>
<p>
This function returns the Internet address where <em class="parameter"><code>sub</code></em> is listening for
external events. It is often required by <span class="type">GrssFeedsSubscriberHandlers</span> while
subscribing contents to specify the local endpoint for communications.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <a href="http://library.gnome.org/devel/gio/unstable/GInetAddress.html"><span class="type">GInetAddress</span></a> used by <em class="parameter"><code>sub</code></em>, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the
<a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> is switched off.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-get-port"></a><h3>grss_feeds_subscriber_get_port ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 grss_feeds_subscriber_get_port      (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);</pre>
<p>
This function returns the Internet port where <em class="parameter"><code>sub</code></em> is listening for
external events. It is often required by <span class="type">GrssFeedsSubscriberHandlers</span> while
subscribing contents to specify the local endpoint for communications.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the port of the socket locally opened by <em class="parameter"><code>sub</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="grss-feeds-subscriber-get-session"></a><h3>grss_feeds_subscriber_get_session ()</h3>
<pre class="programlisting"><span class="returnvalue">SoupSession</span> *       grss_feeds_subscriber_get_session   (<em class="parameter"><code><a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *sub</code></em>);</pre>
<p>
To obtain the internal <span class="type">SoupSession</span> of a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>, so to re-use
it in <span class="type">GrssFeedsSubscriberHandlers</span> or similar tasks.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sub</code></em> :</span></p></td>
<td>a <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <span class="type">SoupSession</span> used by the provided <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GrssFeedsSubscriber.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GrssFeedsSubscriber-notification-received"></a><h3>The <code class="literal">"notification-received"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> *pool,
                                                        <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>             *feed,
                                                        <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>             *item,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>             user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Emitted when a notification has been received and parsed. The
<em class="parameter"><code>item</code></em> is cached and unref'd when the <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> is
destroyed or a new set of feeds is provided.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>pool</code></em> :</span></p></td>
<td>the <a class="link" href="GrssFeedsSubscriber.html" title="GrssFeedsSubscriber"><span class="type">GrssFeedsSubscriber</span></a> emitting the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>feed</code></em> :</span></p></td>
<td>the <a class="link" href="GrssFeedChannel.html" title="GrssFeedChannel"><span class="type">GrssFeedChannel</span></a> which has been updated.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td>the <a class="link" href="GrssFeedItem.html" title="GrssFeedItem"><span class="type">GrssFeedItem</span></a> received.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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