qz-tray
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Connects a web client to the QZ Tray software. Enables printing and device communication from javascript.
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<title>JSDoc: Namespace: socket</title>
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<h1 class="page-title">Namespace: socket</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="qz.html">qz</a>.</span>socket</h2>
</header>
<article>
<div class="container-overview">
<div class="description">Calls related to interaction with communication sockets.</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="qz-tray.js.html">qz-tray.js</a>, <a href="qz-tray.js.html#line1904">line 1904</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id=".close"><span class="type-signature">(static) </span>close<span class="signature">(host, port)</span><span class="type-signature"></span></h4>
<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>host</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last">The connection hostname.</td>
</tr>
<tr>
<td class="name"><code>port</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">The connection port number.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="qz-tray.js.html">qz-tray.js</a>, <a href="qz-tray.js.html#line1934">line 1934</a>
</li></ul></dd>
</dl>
<h4 class="name" id=".open"><span class="type-signature">(static) </span>open<span class="signature">(host, port, options<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
<div class="description">
Opens a network port for sending and receiving data.
</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>host</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="description last">The connection hostname.</td>
</tr>
<tr>
<td class="name"><code>port</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="description last">The connection port number.</td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last">Network socket configuration.
<h6>Properties</h6>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>encoding</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
'UTF-8'
</td>
<td class="description last">Character set for communications.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="qz-tray.js.html">qz-tray.js</a>, <a href="qz-tray.js.html#line1919">line 1919</a>
</li></ul></dd>
</dl>
<h4 class="name" id=".sendData"><span class="type-signature">(static) </span>sendData<span class="signature">(host, port, data)</span><span class="type-signature"></span></h4>
<div class="description">
Send data over an open socket.
</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>host</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last">The connection hostname.</td>
</tr>
<tr>
<td class="name"><code>port</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">The connection port number.</td>
</tr>
<tr>
<td class="name"><code>data</code></td>
<td class="type">
<span class="param-type">string</span>
|
<span class="param-type">Object</span>
</td>
<td class="description last">Data to be sent over the port.
<h6>Properties</h6>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>type</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
'PLAIN'
</td>
<td class="description last">Valid values <code>[PLAIN]</code></td>
</tr>
<tr>
<td class="name"><code>data</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="default">
</td>
<td class="description last">Data to be sent over the port.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="qz-tray.js.html">qz-tray.js</a>, <a href="qz-tray.js.html#line1953">line 1953</a>
</li></ul></dd>
</dl>
<h4 class="name" id=".setSocketCallbacks"><span class="type-signature">(static) </span>setSocketCallbacks<span class="signature">(calls)</span><span class="type-signature"></span></h4>
<div class="description">
List of functions called for any response from open network sockets.
Event data will contain <code>{string} host</code> and <code>{number} port</code> for all types.
For RECEIVE types, <code>{string} response</code>.
For ERROR types, <code>{string} exception</code>.
</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>calls</code></td>
<td class="type">
<span class="param-type">function</span>
|
<span class="param-type">Array.<function()></span>
</td>
<td class="description last">Single or array of <code>Function({Object} eventData)</code> calls.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="qz-tray.js.html">qz-tray.js</a>, <a href="qz-tray.js.html#line1979">line 1979</a>
</li></ul></dd>
</dl>
</article>
</section>
</div>
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<h2><a href="index.html">Home</a></h2><h3>Namespaces</h3><ul><li><a href="qz.html">qz</a></li><li><a href="qz.api.html">api</a></li><li><a href="qz.configs.html">configs</a></li><li><a href="qz.file.html">file</a></li><li><a href="qz.hid.html">hid</a></li><li><a href="qz.networking.html">networking</a></li><li><a href="qz.printers.html">printers</a></li><li><a href="qz.security.html">security</a></li><li><a href="qz.serial.html">serial</a></li><li><a href="qz.socket.html">socket</a></li><li><a href="qz.usb.html">usb</a></li><li><a href="qz.websocket.html">websocket</a></li></ul>
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Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.7</a> on Thu Apr 02 2026 13:01:02 GMT-0400 (Eastern Daylight Time)
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