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<h1 class="lined-header"><span>cowboy_http2(3)</span></h1>
<h2 id="_name">Name</h2>
<p>cowboy_http2 - HTTP/2</p>
<h2 id="_description">Description</h2>
<p>The module <code>cowboy_http2</code> implements HTTP/2 as a Ranch protocol.</p>
<h2 id="_options">Options</h2>
<!-- @todo Might be worth moving cowboy_clear/tls/stream_h options-->
<!-- to their respective manual, when they are added.-->
<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt><b><font color="#000000">opts</font></b>() <font color="#990000">::</font> #{
<font color="#0000FF">connection_type</font> <font color="#990000">=></font> <font color="#FF6600">worker</font> | <font color="#FF6600">supervisor</font>,
<font color="#0000FF">env</font> <font color="#990000">=></font> <b><font color="#000000">cowboy_middleware:env</font></b>(),
<font color="#0000FF">inactivity_timeout</font> <font color="#990000">=></font> <b><font color="#000000">timeout</font></b>(),
<font color="#0000FF">middlewares</font> <font color="#990000">=></font> [<b><font color="#000000">module</font></b>()],
<font color="#0000FF">preface_timeout</font> <font color="#990000">=></font> <b><font color="#000000">timeout</font></b>(),
<font color="#000080">shutdown</font><font color="#009900">_timeout</font> <font color="#990000">=></font> <b><font color="#000000">timeout</font></b>(),
<font color="#0000FF">stream_handlers</font> <font color="#990000">=></font> [<b><font color="#000000">module</font></b>()]
}</tt></pre>
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<p>Configuration for the HTTP/2 protocol.</p>
<p>This configuration is passed to Cowboy when starting listeners using <code>cowboy:start_clear/3</code> or <code>cowboy:start_tls/3</code> functions.</p>
<p>It can be updated without restarting listeners using the Ranch functions <code>ranch:get_protocol_options/1</code> and <code>ranch:set_protocol_options/2</code>.</p>
<p>The default value is given next to the option name:</p>
<dl><dt>connection_type (supervisor)</dt>
<dd><p>Whether the connection process also acts as a supervisor.</p>
</dd>
<dt>env (#{})</dt>
<dd><p>Middleware environment.</p>
</dd>
<dt>inactivity_timeout (300000)</dt>
<dd><p>Time in ms with nothing received at all before Cowboy closes the connection.</p>
</dd>
<dt>middlewares ([cowboy_router, cowboy_handler])</dt>
<dd><p>Middlewares to run for every request.</p>
</dd>
<dt>preface_timeout (5000)</dt>
<dd><p>Time in ms Cowboy is willing to wait for the connection preface.</p>
</dd>
<dt>shutdown_timeout (5000)</dt>
<dd><p>Time in ms Cowboy will wait for child processes to shut down before killing them.</p>
</dd>
<dt>stream_handlers ([cowboy_stream_h])</dt>
<dd><p>Ordered list of stream handlers that will handle all stream events.</p>
</dd>
</dl>
<h2 id="_changelog">Changelog</h2>
<ul><li><strong>2.0</strong>: Protocol introduced.
</li>
</ul>
<h2 id="_see_also">See also</h2>
<p><a href="..">cowboy(7)</a>, <a href="../cowboy_http">cowboy_http(3)</a>, <a href="../cowboy_websocket">cowboy_websocket(3)</a></p>
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2.3
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