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<title>JSDoc: Class: Tunnel</title>
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<h1 class="page-title">Class: Tunnel</h1>
<section>
<header>
<h2><span class="attribs"><span class="type-signature"></span></span>
<span class="ancestors"><a href="Guacamole.html">Guacamole</a>.</span>Tunnel<span class="signature">()</span><span class="type-signature"></span></h2>
</header>
<article>
<div class="container-overview">
<h4 class="name" id="Tunnel"><span class="type-signature"></span>new Tunnel<span class="signature">()</span><span class="type-signature"></span></h4>
<div class="description">
Core object providing abstract communication for Guacamole. This object
is a null implementation whose functions do nothing. Guacamole applications
should use <a href="Guacamole.HTTPTunnel.html">Guacamole.HTTPTunnel</a> instead, or implement their own tunnel based
on this one.
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line31">line 31</a>
</li></ul></dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li><a href="Guacamole.HTTPTunnel.html">Guacamole.HTTPTunnel</a></li>
</ul>
</dd>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<h4 class="name" id=".INTERNAL_DATA_OPCODE"><span class="type-signature">(static, constant) </span>INTERNAL_DATA_OPCODE<span class="type-signature"> :String</span></h4>
<div class="description">
The Guacamole protocol instruction opcode reserved for arbitrary internal
use by tunnel implementations. The value of this opcode is guaranteed to be
the empty string (""). Tunnel implementations may use this opcode for any
purpose. It is currently used by the HTTP tunnel to mark the end of the HTTP
response, and by the WebSocket tunnel to transmit the tunnel UUID.
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">String</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line120">line 120</a>
</li></ul></dd>
</dl>
<h4 class="name" id=".State"><span class="type-signature">(static) </span>State<span class="type-signature"></span></h4>
<div class="description">
All possible tunnel states.
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line125">line 125</a>
</li></ul></dd>
</dl>
<h4 class="name" id="receiveTimeout"><span class="type-signature"></span>receiveTimeout<span class="type-signature"> :Number</span></h4>
<div class="description">
The maximum amount of time to wait for data to be received, in
milliseconds. If data is not received within this amount of time,
the tunnel is closed with an error. The default value is 15000.
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">Number</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line71">line 71</a>
</li></ul></dd>
</dl>
<h4 class="name" id="state"><span class="type-signature"></span>state<span class="type-signature"> :Number</span></h4>
<div class="description">
The current state of this tunnel.
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">Number</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line62">line 62</a>
</li></ul></dd>
</dl>
<h4 class="name" id="uuid"><span class="type-signature"></span>uuid<span class="type-signature"> :String</span></h4>
<div class="description">
The UUID uniquely identifying this tunnel. If not yet known, this will
be null.
</div>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">String</span>
</li>
</ul>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line79">line 79</a>
</li></ul></dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="connect"><span class="type-signature"></span>connect<span class="signature">(data)</span><span class="type-signature"></span></h4>
<div class="description">
Connect to the tunnel with the given optional data. This data is
typically used for authentication. The format of data accepted is
up to the tunnel implementation.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>data</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">The data to send to the tunnel when connecting.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line40">line 40</a>
</li></ul></dd>
</dl>
<h4 class="name" id="disconnect"><span class="type-signature"></span>disconnect<span class="signature">()</span><span class="type-signature"></span></h4>
<div class="description">
Disconnect from the tunnel.
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line45">line 45</a>
</li></ul></dd>
</dl>
<h4 class="name" id="sendMessage"><span class="type-signature"></span>sendMessage<span class="signature">(&hellip;elements)</span><span class="type-signature"></span></h4>
<div class="description">
Send the given message through the tunnel to the service on the other
side. All messages are guaranteed to be received in the order sent.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>elements</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
&lt;repeatable><br>
</td>
<td class="description last">The elements of the message to send to the service on the other side
of the tunnel.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line55">line 55</a>
</li></ul></dd>
</dl>
<h3 class="subsection-title">Events</h3>
<h4 class="name" id="event:onerror">onerror</h4>
<div class="description">
Fired whenever an error is encountered by the tunnel.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>status</code></td>
<td class="type">
<span class="param-type"><a href="Guacamole.Status.html">Guacamole.Status</a></span>
</td>
<td class="description last">A status object which describes the
error.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line88">line 88</a>
</li></ul></dd>
</dl>
<h4 class="name" id="event:oninstruction">oninstruction</h4>
<div class="description">
Fired once for every complete Guacamole instruction received, in order.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>opcode</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="description last">The Guacamole instruction opcode.</td>
</tr>
<tr>
<td class="name"><code>parameters</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last">The parameters provided for the instruction,
if any.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line106">line 106</a>
</li></ul></dd>
</dl>
<h4 class="name" id="event:onstatechange">onstatechange</h4>
<div class="description">
Fired whenever the state of the tunnel changes.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>state</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">The new state of the client.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Tunnel.js.html">Tunnel.js</a>, <a href="Tunnel.js.html#line96">line 96</a>
</li></ul></dd>
</dl>
</article>
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href="Guacamole.Mouse.html#event:onmouseup">onmouseup</a></li><li><a href="Guacamole.Object.html#event:onbody">onbody</a></li><li><a href="Guacamole.Object.html#event:onundefine">onundefine</a></li><li><a href="Guacamole.OnScreenKeyboard.html#event:onkeydown">onkeydown</a></li><li><a href="Guacamole.OnScreenKeyboard.html#event:onkeyup">onkeyup</a></li><li><a href="Guacamole.OutputStream.html#event:onack">onack</a></li><li><a href="Guacamole.Parser.html#event:oninstruction">oninstruction</a></li><li><a href="Guacamole.RawAudioRecorder.html#event:onclose">onclose</a></li><li><a href="Guacamole.RawAudioRecorder.html#event:onerror">onerror</a></li><li><a href="Guacamole.SessionRecording._PlaybackTunnel.html#event:onerror">onerror</a></li><li><a href="Guacamole.SessionRecording._PlaybackTunnel.html#event:oninstruction">oninstruction</a></li><li><a href="Guacamole.SessionRecording._PlaybackTunnel.html#event:onstatechange">onstatechange</a></li><li><a href="Guacamole.SessionRecording.html#event:onpause">onpause</a></li><li><a href="Guacamole.SessionRecording.html#event:onplay">onplay</a></li><li><a href="Guacamole.SessionRecording.html#event:onprogress">onprogress</a></li><li><a href="Guacamole.SessionRecording.html#event:onseek">onseek</a></li><li><a href="Guacamole.StaticHTTPTunnel.html#event:onerror">onerror</a></li><li><a href="Guacamole.StaticHTTPTunnel.html#event:oninstruction">oninstruction</a></li><li><a href="Guacamole.StaticHTTPTunnel.html#event:onstatechange">onstatechange</a></li><li><a href="Guacamole.StringReader.html#event:onend">onend</a></li><li><a href="Guacamole.StringReader.html#event:ontext">ontext</a></li><li><a href="Guacamole.StringWriter.html#event:onack">onack</a></li><li><a href="Guacamole.Tunnel.html#event:onerror">onerror</a></li><li><a href="Guacamole.Tunnel.html#event:oninstruction">oninstruction</a></li><li><a href="Guacamole.Tunnel.html#event:onstatechange">onstatechange</a></li><li><a href="Guacamole.WebSocketTunnel.html#event:onerror">onerror</a></li><li><a href="Guacamole.WebSocketTunnel.html#event:oninstruction">oninstruction</a></li><li><a href="Guacamole.WebSocketTunnel.html#event:onstatechange">onstatechange</a></li></ul><h3>Namespaces</h3><ul><li><a href="Guacamole.html">Guacamole</a></li><li><a href="Guacamole.AudioContextFactory.html">AudioContextFactory</a></li></ul>
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