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<link title="Ipv6" rel="Chapter" href="Ipv6.html"><title>Ocamlnet 3 Reference Manual : Uq_engines.wrapped_datagram_socket</title>
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<center><h1>Class type <a href="type_Uq_engines.wrapped_datagram_socket.html">Uq_engines.wrapped_datagram_socket</a></h1></center>
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<pre><span id="TYPEwrapped_datagram_socket"><span class="keyword">class type</span> wrapped_datagram_socket</span> = <code class="code">object</code> <a href="Uq_engines.wrapped_datagram_socket-c.html">..</a> <code class="code">end</code></pre>A <code class="code">wrapped_datagram_socket</code> allows datagrams to be sent via proxies.
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It provides versions of the <code class="code">sendto</code> and <code class="code">recvfrom</code> functions that
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use extended socket names (which are proxy-friendly).<br>
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<pre><span id="METHODdescriptor"><span class="keyword">method</span> descriptor</span> : <code class="type">Unix.file_descr</code></pre><div class="info">
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The underlying file descriptor. This descriptor must not be used
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to transfer data (<code class="code">Unix.send(to)</code>, <code class="code">Unix.recv(from)</code>, etc.), because the
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descriptor may be connected with a proxy, and the socket addresses
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may be wrong that are used by the low-level socket functions.
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The right way is to use the methods below to transfer data. It is
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allowed, however, to pass the descriptor to <code class="code">Unix.select</code>, and to check
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whether transfers are possible. It is also allowed to set or clear
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non-blocking mode, and the close-on-exec flag, and to modify the
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<pre><span id="METHODsendto"><span class="keyword">method</span> sendto</span> : <code class="type">string -> int -> int -> Unix.msg_flag list -> <a href="Uq_engines.html#TYPEsockspec">sockspec</a> -> int</code></pre><div class="info">
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Send data over the (unconnected) socket<br>
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<pre><span id="METHODrecvfrom"><span class="keyword">method</span> recvfrom</span> : <code class="type">string -> int -> int -> Unix.msg_flag list -> int * <a href="Uq_engines.html#TYPEsockspec">sockspec</a></code></pre><div class="info">
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Receive data from the (unconnected) socket. The method will
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raise EAGAIN if the message cannot be processed for some reason,
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even if the socket is in blocking mode. In this case, the received
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message is discarded.<br>
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<pre><span id="METHODshut_down"><span class="keyword">method</span> shut_down</span> : <code class="type">unit -> unit</code></pre><div class="info">
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Close the descriptor, shuts down any further needed resources<br>
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<pre><span id="METHODdatagram_type"><span class="keyword">method</span> datagram_type</span> : <code class="type"><a href="Uq_engines.html#TYPEdatagram_type">datagram_type</a></code></pre><pre><span id="METHODsocket_domain"><span class="keyword">method</span> socket_domain</span> : <code class="type">Unix.socket_domain</code></pre><pre><span id="METHODsocket_type"><span class="keyword">method</span> socket_type</span> : <code class="type">Unix.socket_type</code></pre><pre><span id="METHODsocket_protocol"><span class="keyword">method</span> socket_protocol</span> : <code class="type">int</code></pre></body></html>
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