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href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Nethttpd_engine.http_engine_processing_config</title> </head> <body> <div class="navbar"><a href="Nethttpd_engine.http_request_notification.html">Previous</a> <a href="Nethttpd_engine.html">Up</a> <a href="Nethttpd_engine.http_engine_processing_context.html">Next</a> </div> <center><h1>Class type <a href="type_Nethttpd_engine.http_engine_processing_config.html">Nethttpd_engine.http_engine_processing_config</a></h1></center> <br> <pre><span class="keyword">class type</span> <a name="TYPEhttp_engine_processing_config"></a>http_engine_processing_config = <code class="code">object</code> <a href="Nethttpd_engine.http_engine_processing_config.html">..</a> <code class="code">end</code></pre><hr width="100%"> <pre><span class="keyword">method</span> <a name="METHODconfig_synch_input"></a>config_synch_input : <code class="type">(<a href="Netchannels.in_obj_channel.html">Netchannels.in_obj_channel</a> -> unit) -> <a href="Uq_engines.async_in_channel.html">Uq_engines.async_in_channel</a> -> unit</code></pre><div class="info"> The "input synchronizer": It is called as <code class="code">obj # config_synch_input f ch</code> to create a synchronous input channel from an asynchronous one, <code class="code">ch</code>. The function <code class="code">f</code> must be called back by the synchronizer when synchronisation is established, and with the synchronous channel <code class="code">ch'</code> as argument. In particular, the task of the synchronizer is to turn blocking reads of <code class="code">ch'</code> into non-blocking reads of <code class="code">ch</code>. In general there are two ways of implementation:<ul> <li>Buffer all input from <code class="code">ch</code> until the end of the channel is reached, then call <code class="code">f</code> with a wrapper channel <code class="code">ch'</code> that just reads from the buffer.</li> <li>Run <code class="code">f</code> in a different thread that blocks whenever there is nothing to read from <code class="code">ch</code>. </li> </ul> Both implementations are allowed, i.e. <b>it is allowed that <code class="code">f</code> runs in a different thread</b>. <p> CHECK: How to handle exceptions raised from <code class="code">f</code>? Idea: <code class="code">f</code> is obliged to close <code class="code">ch'</code> in this case, even if <code class="code">ch</code> is not yet at the end. The rest of exception handling is up to the user. - The complementary must also be true: When there is an error in the engine, <code class="code">ch</code> must be closed to signal the other thread that we have a problem.<br> </div> <pre><span class="keyword">method</span> <a name="METHODconfig_synch_output"></a>config_synch_output : <code class="type">(<a href="Netchannels.out_obj_channel.html">Netchannels.out_obj_channel</a> -> unit) -> <a href="Uq_engines.async_out_channel.html">Uq_engines.async_out_channel</a> -> unit</code></pre><div class="info"> The "output synchronizer": It is called as <code class="code">obj # config_synch_output f ch</code> to create a synchronous output channel from an asynchronous one, <code class="code">ch</code>. The function <code class="code">f</code> must be called back by the synchronizer when synchronisation is established, and with the synchronous channel <code class="code">ch'</code> as argument. In particular, the task of the synchronizer is to turn blocking writes to <code class="code">ch'</code> into non-blocking writes to <code class="code">ch</code>. In general there are two ways of implementation:<ul> <li>Call <code class="code">f</code>, then buffer all output to <code class="code">ch'</code> until the end of the channel is reached, and finally output the contents of the buffer in an asynchronous way.</li> <li>Run <code class="code">f</code> in a different thread that blocks whenever there is no space to write to <code class="code">ch</code>. </li> </ul> Both implementations are allowed, i.e. <b>it is allowed that <code class="code">f</code> runs in a different thread</b>. <p> CHECK: Exceptions.<br> </div> </body></html>
