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<link title="Get" rel="Chapter" href="Get.html"><title>Ocamlnet 4 Reference Manual : Uq_transfer.output_async_mplex</title>
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<h1>Class <a href="type_Uq_transfer.output_async_mplex.html">Uq_transfer.output_async_mplex</a></h1>
<pre><span id="TYPEoutput_async_mplex"><span class="keyword">class</span> output_async_mplex</span> : <code class="type">?onclose:[ `Ignore | `Write_eof ] -> ?onshutdown:<a href="Uq_transfer.html#TYPEonshutdown_out_spec">onshutdown_out_spec</a> -> ?buffer_size:int -> <a href="Uq_engines.multiplex_controller-c.html">Uq_engines.multiplex_controller</a> -> </code><code class="type"><a href="Uq_transfer.async_out_channel_engine-c.html">async_out_channel_engine</a></code></pre><div class="info class top">
<div class="info-desc">
<p>Creates an asynchronous output channel writing to the multiplex
controller (see also <code class="code">output_async_descr</code> for the corresponding
class writing to a single descriptor).</p>
<p><code class="code">onclose</code>: What to do when the <code class="code">close_out</code> method is invoked.
Defaults to <code class="code">`Ignore</code>. <code class="code">`Write_eof</code> means to write the EOF marker.
Anyway, after doing the close action, the multiplex controller
is shutdown.</p>
<p><code class="code">onshutdown</code>: What to do when all data (and optionally, the EOF marker)
have been written. It is also invoked in case of I/O errors.
The default is <code class="code">`Ignore</code>. The value <code class="code">`Initiate_shutdown</code> means that
it is started to shutdown the socket. The success of this action
is not waited upon, however. One can also pass <code class="code">`Action f</code> in which
case the function <code class="code">f</code> is called with this object, the
multiplex controller, and the proposed next state as arguments.
By checking the proposed next state the function can see why the
shutdown function was called.</p>
<p><code class="code">buffer_size</code>: The size of the internal buffer. By default unlimited.</p>
<p>Note that the engine is done when the output channel is closed.
The socket is not shut down, and the underlying file descriptor
is not closed! You can define the <code class="code">shutdown</code> callback to do something
in this case.</p>
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