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href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Uq_engines.server_socket_acceptor</title> </head> <body> <div class="navbar"><a href="Uq_engines.client_socket_connector.html">Previous</a> <a href="Uq_engines.html">Up</a> <a href="Uq_engines.server_socket_listener.html">Next</a> </div> <center><h1>Class type <a href="type_Uq_engines.server_socket_acceptor.html">Uq_engines.server_socket_acceptor</a></h1></center> <br> <pre><span class="keyword">class type</span> <a name="TYPEserver_socket_acceptor"></a>server_socket_acceptor = <code class="code">object</code> <a href="Uq_engines.server_socket_acceptor.html">..</a> <code class="code">end</code></pre>This class type is for service providers that listen for connections. By calling <code class="code">accept</code>, one gets an engine that waits for the next connection, and establishes it. <p> There are services that can only accept one connection for a certain contact address. In this case <code class="code">accept</code> must only be called once. Normally, services can accept any number of connections (multiplexing), and it is allowed to call <code class="code">accept</code> again after the previous accept engine was successful.<br> <hr width="100%"> <pre><span class="keyword">method</span> <a name="METHODserver_address"></a>server_address : <code class="type"><a href="Uq_engines.html#TYPEsockspec">sockspec</a></code></pre><div class="info"> The contact address under which the clients can establish new connections with this server.<br> </div> <pre><span class="keyword">method</span> <a name="METHODmultiple_connections"></a>multiple_connections : <code class="type">bool</code></pre><div class="info"> Whether it is possible to accept multiple connections<br> </div> <pre><span class="keyword">method</span> <a name="METHODaccept"></a>accept : <code class="type">unit -> (Unix.file_descr * <a href="Uq_engines.html#TYPEsockspec">sockspec</a>) <a href="Uq_engines.engine.html">engine</a></code></pre><div class="info"> Instantiates an engine that accepts connections on the listening socket. <p> If the connection is successfully established, the state of the engine changes to <code class="code">`Done(fd,addr)</code> where <code class="code">fd</code> is the connected file descriptor, and where <code class="code">addr</code> is the socket address of the connecting client (from the server's perspective). <p> The close-on-exec flag of the created socket descriptor is always set. The socket descriptor is always in non-blocking mode. <p> It is allowed to shut down <code class="code">fd</code> for sending, and it is required to close <code class="code">fd</code> after all data transfers have been performed. <p> A call of <code class="code">accept</code> allows it only to establish one connection at a time. However, it is allowed to call <code class="code">accept</code> several times to accept several connections, provided the acceptor supports this (returned by <code class="code">multiple_connections</code>). It is only allowed to call <code class="code">accept</code> again when the previous engine was successful.<br> </div> <pre><span class="keyword">method</span> <a name="METHODshut_down"></a>shut_down : <code class="type">unit -> unit</code></pre><div class="info"> The server socket is shut down such that no further connections are possible. It is required to call this method even for acceptors that do not support multiple connections. It is also required to call this method when an <code class="code">accept</code> was not successful. <p> If there is a engine waiting for connections, it is aborted.<br> </div> </body></html>
