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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>libinfinity-0.6 Reference Manual: InfChatSession</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="libinfinity-0.6 Reference Manual">
<link rel="up" href="ch02.html" title="Common libinfinity API">
<link rel="prev" href="InfSession.html" title="InfSession">
<link rel="next" href="InfChatBuffer.html" title="InfChatBuffer">
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</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="#InfChatSession.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#InfChatSession.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces">  <span class="dim">|</span> 
                  <a href="#InfChatSession.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#InfChatSession.properties" class="shortcut">Properties</a></span><span id="nav_signals">  <span class="dim">|</span> 
                  <a href="#InfChatSession.signals" class="shortcut">Signals</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="ch02.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="InfSession.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="InfChatBuffer.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="InfChatSession"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="InfChatSession.top_of_page"></a>InfChatSession</span></h2>
<p>InfChatSession — Simple standalone chat</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="InfChatSession.stability-level"></a><h2>Stability Level</h2>
<a href="http://foldoc.org/Unstable"><span class="acronym">Unstable</span></a>, unless otherwise indicated
</div>
<div class="refsect1">
<a name="InfChatSession.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="InfChatSession.html" title="InfChatSession"><span class="returnvalue">InfChatSession</span></a> *
</td>
<td class="function_name">
<a class="link" href="InfChatSession.html#inf-chat-session-new" title="inf_chat_session_new ()">inf_chat_session_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="InfChatSession.html#inf-chat-session-set-log-file" title="inf_chat_session_set_log_file ()">inf_chat_session_set_log_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="InfChatSession.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody><tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="InfChatSession.html#InfChatSession--log-file" title="The “log-file” property">log-file</a></td>
<td class="property_flags">Read / Write</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="InfChatSession.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="InfChatSession.html#InfChatSession-receive-message" title="The “receive-message” signal">receive-message</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="InfChatSession.html#InfChatSession-send-message" title="The “send-message” signal">send-message</a></td>
<td class="signal_flags">Run Last</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="InfChatSession.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="InfChatSession.html#InfChatSession-struct" title="struct InfChatSession">InfChatSession</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="InfChatSession.html#InfChatSessionClass" title="struct InfChatSessionClass">InfChatSessionClass</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="InfChatSession.html#InfChatSessionError" title="enum InfChatSessionError">InfChatSessionError</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="InfChatSession.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> <a class="link" href="InfSession.html" title="InfSession">InfSession</a>
        <span class="lineart">╰──</span> InfChatSession
</pre>
</div>
<div class="refsect1">
<a name="InfChatSession.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
InfChatSession implements
 <a class="link" href="InfCommunicationObject.html" title="InfCommunicationObject">InfCommunicationObject</a>.</p>
</div>
<div class="refsect1">
<a name="InfChatSession.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;libinfinity/common/inf-chat-session.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="InfChatSession.description"></a><h2>Description</h2>
<p><a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> represents a chat session. Normally, there is one chat
session per server, and it can be enabled via <a class="link" href="InfdDirectory.html#infd-directory-enable-chat" title="infd_directory_enable_chat ()"><code class="function">infd_directory_enable_chat()</code></a>.
Clients can subscribe to the chat session via
<a class="link" href="InfcBrowser.html#infc-browser-subscribe-chat" title="infc_browser_subscribe_chat ()"><code class="function">infc_browser_subscribe_chat()</code></a>.</p>
</div>
<div class="refsect1">
<a name="InfChatSession.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="inf-chat-session-new"></a><h3>inf_chat_session_new ()</h3>
<pre class="programlisting"><a class="link" href="InfChatSession.html" title="InfChatSession"><span class="returnvalue">InfChatSession</span></a> *
inf_chat_session_new (<em class="parameter"><code><a class="link" href="InfCommunicationManager.html" title="InfCommunicationManager"><span class="type">InfCommunicationManager</span></a> *manager</code></em>,
                      <em class="parameter"><code><a class="link" href="InfChatBuffer.html" title="InfChatBuffer"><span class="type">InfChatBuffer</span></a> *buffer</code></em>,
                      <em class="parameter"><code><a class="link" href="InfSession.html#InfSessionStatus" title="enum InfSessionStatus"><span class="type">InfSessionStatus</span></a> status</code></em>,
                      <em class="parameter"><code><a class="link" href="InfCommunicationGroup.html" title="InfCommunicationGroup"><span class="type">InfCommunicationGroup</span></a> *sync_group</code></em>,
                      <em class="parameter"><code><a class="link" href="InfXmlConnection.html" title="InfXmlConnection"><span class="type">InfXmlConnection</span></a> *sync_connection</code></em>);</pre>
<p>Creates a new <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> with the messages contained in <em class="parameter"><code>buffer</code></em>
 as
initial messages. The communication manager is used to send and receive
requests from subscription and synchronization.</p>
<p>If <em class="parameter"><code>status</code></em>
 is <a class="link" href="InfSession.html#INF-SESSION-PRESYNC:CAPS"><code class="literal">INF_SESSION_PRESYNC</code></a> or <a class="link" href="InfSession.html#INF-SESSION-SYNCHRONIZING:CAPS"><code class="literal">INF_SESSION_SYNCHRONIZING</code></a>, then the
session will initially be synchronized, meaning an initial backlog is
retrieved from <em class="parameter"><code>sync_connection</code></em>
 (which must not be <code class="literal">NULL</code> in this case). If
you are subscribed to the session, set the subscription group via
<a class="link" href="InfSession.html#inf-session-set-subscription-group" title="inf_session_set_subscription_group ()"><code class="function">inf_session_set_subscription_group()</code></a>.</p>
<div class="refsect3">
<a name="id-1.3.9.12.2.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>manager</p></td>
<td class="parameter_description"><p>A <a class="link" href="InfCommunicationManager.html" title="InfCommunicationManager"><span class="type">InfCommunicationManager</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>The <a class="link" href="InfChatBuffer.html" title="InfChatBuffer"><span class="type">InfChatBuffer</span></a> to use for the session.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>Initial status of the session. If this is
<a class="link" href="InfSession.html#INF-SESSION-SYNCHRONIZING:CAPS"><code class="literal">INF_SESSION_SYNCHRONIZING</code></a> or <a class="link" href="InfSession.html#INF-SESSION-PRESYNC:CAPS"><code class="literal">INF_SESSION_PRESYNC</code></a>, then <em class="parameter"><code>sync_group</code></em>
and
<em class="parameter"><code>sync_connection</code></em>
need to be set.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sync_group</p></td>
<td class="parameter_description"><p>A group in which the session is synchronized. Ignored if
<em class="parameter"><code>status</code></em>
is <a class="link" href="InfSession.html#INF-SESSION-RUNNING:CAPS"><code class="literal">INF_SESSION_RUNNING</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sync_connection</p></td>
<td class="parameter_description"><p>A connection to synchronize the session from. Ignored if
<em class="parameter"><code>status</code></em>
is <a class="link" href="InfSession.html#INF-SESSION-RUNNING:CAPS"><code class="literal">INF_SESSION_RUNNING</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.9.12.2.7"></a><h4>Returns</h4>
<p> A new <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a>.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="inf-chat-session-set-log-file"></a><h3>inf_chat_session_set_log_file ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
inf_chat_session_set_log_file (<em class="parameter"><code><a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> *session</code></em>,
                               <em class="parameter"><code>const <span class="type">gchar</span> *log_file</code></em>,
                               <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Sets a file onto which all received messages are appended. The file is
created if it does not exist. If a previous log file was set, then it is
closed before opening the new file.</p>
<p>Backlog messages received upon synchronization are not logged.</p>
<div class="refsect3">
<a name="id-1.3.9.12.3.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>session</p></td>
<td class="parameter_description"><p>A <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>log_file</p></td>
<td class="parameter_description"><p>A filename to store all received messages into.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>Location to store error information, if any.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.9.12.3.7"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the log file could be opened, <code class="literal">FALSE</code> otherwise (in which
case <em class="parameter"><code>error</code></em>
is set).</p>
<p></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="InfChatSession.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="InfChatSession-struct"></a><h3>struct InfChatSession</h3>
<pre class="programlisting">struct InfChatSession;</pre>
<p><a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> is an opaque data type. You should only access it via the
public API functions.</p>
</div>
<hr>
<div class="refsect2">
<a name="InfChatSessionClass"></a><h3>struct InfChatSessionClass</h3>
<pre class="programlisting">struct InfChatSessionClass {
  void (*receive_message)(InfChatSession* session,
                          const InfChatBufferMessage* message);
  void (*send_message)(InfChatSession* session,
                       const InfChatBufferMessage* message);
};
</pre>
<p>This structure contains default signal handlers for <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a>.</p>
<div class="refsect3">
<a name="id-1.3.9.13.3.5"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="InfChatSessionClass.receive-message"></a>receive_message</code></em> ()</p></td>
<td class="struct_member_description"><p>Default signal handler for the
<a class="link" href="InfChatSession.html#InfChatSession-receive-message" title="The “receive-message” signal"><span class="type">“receive-message”</span></a> signal.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="InfChatSessionClass.send-message"></a>send_message</code></em> ()</p></td>
<td class="struct_member_description"><p>Default signal handler for the
<a class="link" href="InfChatSession.html#InfChatSession-send-message" title="The “send-message” signal"><span class="type">“send-message”</span></a> signal.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="InfChatSessionError"></a><h3>enum InfChatSessionError</h3>
<p>Errors that can occur with a chat session, especially in the
process_xml_sync and process_xml_run vfunc implementations.</p>
<div class="refsect3">
<a name="id-1.3.9.13.4.4"></a><h4>Members</h4>
<div class="informaltable"><table 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="INF-CHAT-SESSION-ERROR-TYPE-INVALID:CAPS"></a>INF_CHAT_SESSION_ERROR_TYPE_INVALID</p></td>
<td class="enum_member_description">
<p>An invalid message type was sent.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="INF-CHAT-SESSION-ERROR-NO-SUCH-USER:CAPS"></a>INF_CHAT_SESSION_ERROR_NO_SUCH_USER</p></td>
<td class="enum_member_description">
<p>A message referred to a nonexisting
user.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="INF-CHAT-SESSION-ERROR-FAILED:CAPS"></a>INF_CHAT_SESSION_ERROR_FAILED</p></td>
<td class="enum_member_description">
<p>Generic error code when no further reason
of failure is known.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="InfChatSession.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="InfChatSession--log-file"></a><h3>The <code class="literal">“log-file”</code> property</h3>
<pre class="programlisting">  “log-file”                 <span class="type">gchar</span> *</pre>
<p>The file into which to store all received messages.</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
</div>
<div class="refsect1">
<a name="InfChatSession.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="InfChatSession-receive-message"></a><h3>The <code class="literal">“receive-message”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a>       *session,
               <a class="link" href="InfChatBuffer.html#InfChatBufferMessage"><span class="type">InfChatBufferMessage</span></a> *message,
               <span class="type">gpointer</span>              user_data)</pre>
<p>This signal is emitted whenever a message has been received. If the
session is in <a class="link" href="InfSession.html#INF-SESSION-SYNCHRONIZING:CAPS"><code class="literal">INF_SESSION_SYNCHRONIZING</code></a> state the received message was
a backlog message.</p>
<div class="refsect3">
<a name="id-1.3.9.15.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>session</p></td>
<td class="parameter_description"><p>The <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> that is receiving a message.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message</p></td>
<td class="parameter_description"><p>The <a class="link" href="InfChatBuffer.html#InfChatBufferMessage"><span class="type">InfChatBufferMessage</span></a> that was received.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="InfChatSession-send-message"></a><h3>The <code class="literal">“send-message”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a>       *session,
               <a class="link" href="InfChatBuffer.html#InfChatBufferMessage"><span class="type">InfChatBufferMessage</span></a> *message,
               <span class="type">gpointer</span>              user_data)</pre>
<p>This signal is emitted whenever a message is sent. Messages can be sent
by calling <a class="link" href="InfChatBuffer.html#inf-chat-buffer-add-message" title="inf_chat_buffer_add_message ()"><code class="function">inf_chat_buffer_add_message()</code></a> or
<a class="link" href="InfChatBuffer.html#inf-chat-buffer-add-emote-message" title="inf_chat_buffer_add_emote_message ()"><code class="function">inf_chat_buffer_add_emote_message()</code></a> on the session's <a class="link" href="InfChatBuffer.html" title="InfChatBuffer"><span class="type">InfChatBuffer</span></a>.
Messages of type <a class="link" href="InfChatBuffer.html#INF-CHAT-BUFFER-MESSAGE-USERJOIN:CAPS"><code class="literal">INF_CHAT_BUFFER_MESSAGE_USERJOIN</code></a> or
<a class="link" href="InfChatBuffer.html#INF-CHAT-BUFFER-MESSAGE-USERPART:CAPS"><code class="literal">INF_CHAT_BUFFER_MESSAGE_USERPART</code></a> can not be sent explicitely, so this
signal will never be emitted for such messages.</p>
<div class="refsect3">
<a name="id-1.3.9.15.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>session</p></td>
<td class="parameter_description"><p>The <a class="link" href="InfChatSession.html" title="InfChatSession"><span class="type">InfChatSession</span></a> that is sending a message.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message</p></td>
<td class="parameter_description"><p>The <a class="link" href="InfChatBuffer.html#InfChatBufferMessage"><span class="type">InfChatBufferMessage</span></a> that is sent.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
</div>
</div>
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