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<link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Nethttpd_engine.extended_async_environment</title>
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<center><h1>Class type <a href="type_Nethttpd_engine.extended_async_environment.html">Nethttpd_engine.extended_async_environment</a></h1></center>
<br>
<pre><span class="keyword">class type</span> <a name="TYPEextended_async_environment"></a>extended_async_environment = <code class="code">object</code> <a href="Nethttpd_engine.extended_async_environment.html">..</a> <code class="code">end</code></pre><b>Inherits</b><ul>
<li><code class="code">extended_environment</code></li>
</ul>
<hr width="100%">
<a name="2_EnvironmentalsoprovidingasynchronousviewstoIO"></a>
<h2>Environment also providing asynchronous views to I/O</h2><pre><span class="keyword">method</span> <a name="METHODinput_ch_async"></a>input_ch_async : <code class="type"><a href="Uq_engines.async_in_channel.html">Uq_engines.async_in_channel</a></code></pre><div class="info">
This is the <code class="code">input_ch</code> channel taken as asynchonous channel. This type of
channel indicates when data is available to read, and also sends notifications.
Note that this is only an alternate interface of the <code class="code">input_ch</code> object.
<p>
The method <code class="code">can_input</code> returns true when there is at least one byte of
the body to read, or the EOF has been seen. The channel buffers any arriving
data (which can be limited in amount by <code class="code">config_pipeline_size</code>).
<p>
The behaviour of this channel is influenced by the configuration option
<code class="code">config_input_flow_control</code>.<br>
</div>
<pre><span class="keyword">method</span> <a name="METHODoutput_ch_async"></a>output_ch_async : <code class="type"><a href="Uq_engines.async_out_channel.html">Uq_engines.async_out_channel</a></code></pre><div class="info">
This is the <code class="code">output_ch</code> channel taken as asynchronous channel. This type of
channel indicates when space is available for further output, and also sends
notifications.
Note that this is only an alternate interface of the <code class="code">output_ch</code> object.
<p>
The method <code class="code">can_output</code> returns <code class="code">true</code> only when the internal buffer is empty,
i.e. all data have been transmitted to the client. Independent of this, the
channel buffers all data written to it.
<p>
The behaviour of this channel is influenced by the configuration option
<code class="code">config_output_flow_control</code>.<br>
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