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<h1>Classes</h1>
<p>The following classes are available globally.</p>
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<div>
<code>
<a name="/c:@M@SocketIO@objc(cs)SocketEngine"></a>
<a name="//apple_ref/swift/Class/SocketEngine" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SocketEngine">SocketEngine</a>
</code>
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<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The class that handles the engine.io protocol and transports.
See <code><a href="Protocols/SocketEnginePollable.html">SocketEnginePollable</a></code> and <code><a href="Protocols/SocketEngineWebsocket.html">SocketEngineWebsocket</a></code> for transport specific methods.</p>
<a href="Classes/SocketEngine.html" class="slightly-smaller">See more</a>
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<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">final</span> <span class="kd">class</span> <span class="kt">SocketEngine</span> <span class="p">:</span> <span class="kt">NSObject</span><span class="p">,</span> <span class="kt">URLSessionDelegate</span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketEnginePollable.html">SocketEnginePollable</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketEngineWebsocket.html">SocketEngineWebsocket</a></span><span class="p">,</span>
<span class="kt"><a href="Protocols/ConfigSettable.html">ConfigSettable</a></span></code></pre>
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<code>
<a name="/c:@M@SocketIO@objc(cs)SocketAckEmitter"></a>
<a name="//apple_ref/swift/Class/SocketAckEmitter" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SocketAckEmitter">SocketAckEmitter</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A class that represents a waiting ack call.</p>
<p><strong>NOTE</strong>: You should not store this beyond the life of the event handler.</p>
<a href="Classes/SocketAckEmitter.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">final</span> <span class="kd">class</span> <span class="kt">SocketAckEmitter</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>
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<li class="item">
<div>
<code>
<a name="/c:@M@SocketIO@objc(cs)OnAckCallback"></a>
<a name="//apple_ref/swift/Class/OnAckCallback" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)OnAckCallback">OnAckCallback</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A class that represents an emit that will request an ack that has not yet been sent.
Call <code>timingOut(after:callback:)</code> to complete the emit
Example:</p>
<pre class="highlight swift"><code><span class="n">socket</span><span class="o">.</span><span class="nf">emitWithAck</span><span class="p">(</span><span class="s">"myEvent"</span><span class="p">)</span><span class="o">.</span><span class="nf">timingOut</span><span class="p">(</span><span class="nv">after</span><span class="p">:</span> <span class="mi">1</span><span class="p">)</span> <span class="p">{</span><span class="n">data</span> <span class="k">in</span>
<span class="o">...</span>
<span class="p">}</span>
</code></pre>
<a href="Classes/OnAckCallback.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">final</span> <span class="kd">class</span> <span class="kt">OnAckCallback</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>
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<code>
<a name="/c:@M@SocketIO@objc(cs)SocketAnyEvent"></a>
<a name="//apple_ref/swift/Class/SocketAnyEvent" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SocketAnyEvent">SocketAnyEvent</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Represents some event that was received.</p>
<a href="Classes/SocketAnyEvent.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">final</span> <span class="kd">class</span> <span class="kt">SocketAnyEvent</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>
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<code>
<a name="/c:@M@SocketIO@objc(cs)SocketIOClient"></a>
<a name="//apple_ref/swift/Class/SocketIOClient" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SocketIOClient">SocketIOClient</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Represents a socket.io-client.</p>
<p>Clients are created through a <code><a href="Classes/SocketManager.html">SocketManager</a></code>, which owns the <code><a href="Protocols/SocketEngineSpec.html">SocketEngineSpec</a></code> that controls the connection to the server.</p>
<p>For example:</p>
<pre class="highlight swift"><code><span class="c1">// Create a socket for the /swift namespace</span>
<span class="k">let</span> <span class="nv">socket</span> <span class="o">=</span> <span class="n">manager</span><span class="o">.</span><span class="nf">socket</span><span class="p">(</span><span class="nv">forNamespace</span><span class="p">:</span> <span class="s">"/swift"</span><span class="p">)</span>
<span class="c1">// Add some handlers and connect</span>
</code></pre>
<p><strong>NOTE</strong>: The client is not thread/queue safe, all interaction with the socket should be done on the <code>manager.handleQueue</code></p>
<a href="Classes/SocketIOClient.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="n">open</span> <span class="kd">class</span> <span class="kt">SocketIOClient</span> <span class="p">:</span> <span class="kt">NSObject</span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketIOClientSpec.html">SocketIOClientSpec</a></span></code></pre>
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<li class="item">
<div>
<code>
<a name="/c:@M@SocketIO@objc(cs)SSLSecurity"></a>
<a name="//apple_ref/swift/Class/SSLSecurity" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SSLSecurity">SSLSecurity</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A wrapper around Starscream&rsquo;s SSLSecurity that provides a minimal Objective-C interface.</p>
<a href="Classes/SSLSecurity.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="n">open</span> <span class="kd">class</span> <span class="kt">SSLSecurity</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>
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</section>
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<div class="task-group">
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<li class="item">
<div>
<code>
<a name="/c:@M@SocketIO@objc(cs)SocketManager"></a>
<a name="//apple_ref/swift/Class/SocketManager" class="dashAnchor"></a>
<a class="token" href="#/c:@M@SocketIO@objc(cs)SocketManager">SocketManager</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A manager for a socket.io connection.</p>
<p>A <code>SocketManager</code> is responsible for multiplexing multiple namespaces through a single <code><a href="Protocols/SocketEngineSpec.html">SocketEngineSpec</a></code>.</p>
<p>Example:</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">manager</span> <span class="o">=</span> <span class="kt">SocketManager</span><span class="p">(</span><span class="nv">socketURL</span><span class="p">:</span> <span class="kt">URL</span><span class="p">(</span><span class="nv">string</span><span class="p">:</span><span class="s">"http://localhost:8080/"</span><span class="p">)</span><span class="o">!</span><span class="p">)</span>
<span class="k">let</span> <span class="nv">defaultNamespaceSocket</span> <span class="o">=</span> <span class="n">manager</span><span class="o">.</span><span class="n">defaultSocket</span>
<span class="k">let</span> <span class="nv">swiftSocket</span> <span class="o">=</span> <span class="n">manager</span><span class="o">.</span><span class="nf">socket</span><span class="p">(</span><span class="nv">forNamespace</span><span class="p">:</span> <span class="s">"/swift"</span><span class="p">)</span>
<span class="c1">// defaultNamespaceSocket and swiftSocket both share a single connection to the server</span>
</code></pre>
<p>Sockets created through the manager are retained by the manager. So at the very least, a single strong reference
to the manager must be maintained to keep sockets alive.</p>
<p>To disconnect a socket and remove it from the manager, either call <code><a href="Classes/SocketIOClient.html#/c:@M@SocketIO@objc(cs)SocketIOClient(im)disconnect">SocketIOClient.disconnect()</a></code> on the socket,
or call one of the <code>disconnectSocket</code> methods on this class.</p>
<a href="Classes/SocketManager.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="n">open</span> <span class="kd">class</span> <span class="kt">SocketManager</span> <span class="p">:</span> <span class="kt">NSObject</span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketManagerSpec.html">SocketManagerSpec</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketParsable.html">SocketParsable</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/SocketDataBufferable.html">SocketDataBufferable</a></span><span class="p">,</span> <span class="kt"><a href="Protocols/ConfigSettable.html">ConfigSettable</a></span></code></pre>
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<p>&copy; 2017 <a class="link" href="https://github.com/socketio/socket.io-client-swift" target="_blank" rel="external">Erik</a>. All rights reserved. (Last updated: 2017-11-12)</p>
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