Cowboy 2.3.0

author: Loïc Hoguin <[email protected]> 2018-04-04 13:13:37 +0200
committer: Loïc Hoguin <[email protected]> 2018-04-04 13:13:37 +0200
commit: d2a3f2cedd7c00d0933222aed9c06b3149aa4db4 (patch)
tree: 4f1499bac639c782b250af0fbf0dec2064315813 /docs/en/cowboy/2.3/manual/cowboy.start_clear/index.html
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+
+<h1 class="lined-header"><span>cowboy:start_clear(3)</span></h1>
+
+<div class="sect1">
+<h2 id="_name">Name</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>cowboy:start_clear - Listen for connections using plain TCP</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">Description</h2>
+<div class="sectionbody">
+<div class="listingblock">
+<div class="content"><!-- Generator: GNU source-highlight
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="font-weight: bold"><span style="color: #000000">start_clear</span></span>(<span style="color: #009900">Name</span>          <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">ranch:ref</span></span>(),
+            <span style="color: #009900">TransportOpts</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">ranch_tcp:opts</span></span>(),
+            <span style="color: #009900">ProtocolOpts</span>  <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000000">opts</span></span>())
+    <span style="color: #990000">-&gt;</span> {<span style="color: #FF6600">ok</span>, <span style="color: #009900">ListenerPid</span> <span style="color: #990000">::</span> <span style="font-weight: bold"><span style="color: #000080">pid</span></span>()}
+     | {<span style="color: #FF6600">error</span>, <span style="font-weight: bold"><span style="color: #000000">any</span></span>()}</tt></pre></div></div>
+<div class="paragraph"><p>Start listening for connections over a clear TCP channel.</p></div>
+<div class="paragraph"><p>Both HTTP/1.1 and HTTP/2 are supported on this listener.
+HTTP/2 has two methods of establishing a connection over
+a clear TCP channel. Both the upgrade and the prior knowledge
+methods are supported.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_arguments">Arguments</h2>
+<div class="sectionbody">
+<div class="dlist"><dl>
+<dt class="hdlist1">
+Name
+</dt>
+<dd>
+<p>
+The listener name is used to refer to this listener in
+future calls, for example when stopping it or when
+updating the routes defined.
+</p>
+<div class="paragraph"><p>It can be any Erlang term. An atom is generally good enough,
+for example <code>api</code>, <code>my_app_clear</code> or <code>my_app_tls</code>.</p></div>
+</dd>
+<dt class="hdlist1">
+TransportOpts
+</dt>
+<dd>
+<p>
+The transport options are where the TCP options, including
+the listener&#8217;s port number, are defined. Transport options
+are provided as a list of keys and values, for example
+<code>[{port, 8080}]</code>.
+</p>
+<div class="paragraph"><p>The available options are documented in the
+<a href="../ranch_tcp">ranch_tcp(3)</a> manual.</p></div>
+</dd>
+<dt class="hdlist1">
+ProtocolOpts
+</dt>
+<dd>
+<p>
+The protocol options are in a map containing all the options for
+the different protocols that may be involved when connecting
+to the listener, including HTTP/1.1 and HTTP/2.
+</p>
+<div class="paragraph"><p>The HTTP/1.1 options are documented in the
+<a href="../cowboy_http">cowboy_http(3)</a> manual;
+and the HTTP/2 options in
+<a href="../cowboy_http2">cowboy_http2(3)</a>.</p></div>
+</dd>
+</dl></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_return_value">Return value</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>An ok tuple is returned on success. It contains the pid of
+the top-level supervisor for the listener.</p></div>
+<div class="paragraph"><p>An error tuple is returned on error. The error reason may
+be any Erlang term.</p></div>
+<div class="paragraph"><p>A common error is <code>eaddrinuse</code>. It indicates that the port
+configured for Cowboy is already in use.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_changelog">Changelog</h2>
+<div class="sectionbody">
+<div class="ulist"><ul>
+<li>
+<p>
+<strong>2.0</strong>: HTTP/2 support added.
+</p>
+</li>
+<li>
+<p>
+<strong>2.0</strong>: Function introduced. Replaces <code>cowboy:start_http/4</code>.
+</p>
+</li>
+</ul></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_examples">Examples</h2>
+<div class="sectionbody">
+<div class="listingblock">
+<div class="title">Start a listener</div>
+<div class="content"><!-- Generator: GNU source-highlight
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="color: #009900">Dispatch</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_router:compile</span></span>([
+    {<span style="color: #FF6600">'_'</span>, [
+        {<span style="color: #FF0000">"/"</span>, <span style="color: #FF6600">toppage_h</span>, []}
+    ]}
+]),
+
+{<span style="color: #FF6600">ok</span>, <span style="color: #990000">_</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy:start_clear</span></span>(<span style="color: #FF6600">example</span>, [{<span style="color: #FF6600">port</span>, <span style="color: #993399">8080</span>}], #{
+    <span style="color: #0000FF">env</span> <span style="color: #990000">=&gt;</span> #{<span style="color: #0000FF">dispatch</span> <span style="color: #990000">=&gt;</span> <span style="color: #009900">Dispatch</span>}
+})<span style="color: #990000">.</span></tt></pre></div></div>
+<div class="listingblock">
+<div class="title">Start a listener on a random port</div>
+<div class="content"><!-- Generator: GNU source-highlight
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><span style="color: #009900">Name</span> <span style="color: #990000">=</span> <span style="color: #FF6600">example</span>,
+
+{<span style="color: #FF6600">ok</span>, <span style="color: #990000">_</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy:start_clear</span></span>(<span style="color: #009900">Name</span>, [], #{
+    <span style="color: #0000FF">env</span> <span style="color: #990000">=&gt;</span> #{<span style="color: #0000FF">dispatch</span> <span style="color: #990000">=&gt;</span> <span style="color: #009900">Dispatch</span>}
+}),
+
+<span style="color: #009900">Port</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">ranch:get_port</span></span>(<span style="color: #009900">Name</span>)<span style="color: #990000">.</span></tt></pre></div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_see_also">See also</h2>
+<div class="sectionbody">
+<div class="paragraph"><p><a href="../cowboy">cowboy(3)</a>,
+<a href="../cowboy.start_tls">cowboy:start_tls(3)</a>,
+<a href="../cowboy.stop_listener">cowboy:stop_listener(3)</a>,
+<a href="../ranch">ranch(3)</a></p></div>
+</div>
+</div>
+
+
+
+
+
+</div>
+
+<div class="span3 sidecol">
+
+
+<h3>
+	Cowboy
+	2.3
+	Function Reference
+	
+</h3>
+
+<ul>
+	
+		<li><a href="/docs/en/cowboy/2.3/guide">User Guide</a></li>
+	
+	
+		<li><a href="/docs/en/cowboy/2.3/manual">Function Reference</a></li>
+	
+	
+</ul>
+
+<h4 id="docs-nav">Navigation</h4>
+
+<h4>Version select</h4>
+<ul>
+	
+	
+	
+		<li><a href="/docs/en/cowboy/2.3/manual">2.3</a></li>
+	
+		<li><a href="/docs/en/cowboy/2.2/manual">2.2</a></li>
+	
+		<li><a href="/docs/en/cowboy/2.1/manual">2.1</a></li>
+	
+		<li><a href="/docs/en/cowboy/2.0/manual">2.0</a></li>
+	
+		<li><a href="/docs/en/cowboy/1.0/manual">1.0</a></li>
+	
+</ul>
+
+</div>
+</div>
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author	Loïc Hoguin <[email protected]>	2018-04-04 13:13:37 +0200
committer	Loïc Hoguin <[email protected]>	2018-04-04 13:13:37 +0200
commit	d2a3f2cedd7c00d0933222aed9c06b3149aa4db4 (patch)
tree	4f1499bac639c782b250af0fbf0dec2064315813 /docs/en/cowboy/2.3/manual/cowboy.start_clear/index.html
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