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href="Rpc_simple_client.html"> <link title="Rpc_portmapper_clnt" rel="Chapter" href="Rpc_portmapper_clnt.html"> <link title="Rpc_portmapper" rel="Chapter" href="Rpc_portmapper.html"> <link title="Rpc_server" rel="Chapter" href="Rpc_server.html"> <link title="Rpc_auth_sys" rel="Chapter" href="Rpc_auth_sys.html"> <link title="Rpc_intro" rel="Chapter" href="Rpc_intro.html"> <link title="Rpc_mapping_ref" rel="Chapter" href="Rpc_mapping_ref.html"> <link title="Rpc_ssl" rel="Chapter" href="Rpc_ssl.html"> <link title="Rpc_xti_client" rel="Chapter" href="Rpc_xti_client.html"> <link title="Shell_sys" rel="Chapter" href="Shell_sys.html"> <link title="Shell" rel="Chapter" href="Shell.html"> <link title="Shell_uq" rel="Chapter" href="Shell_uq.html"> <link title="Shell_mt" rel="Chapter" href="Shell_mt.html"> <link title="Shell_intro" rel="Chapter" href="Shell_intro.html"> <link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Nethttpd_engine.http_engine_config</title> </head> <body> <div class="navbar"> <a href="Nethttpd_engine.html">Up</a> <a href="Nethttpd_engine.extended_async_environment.html">Next</a> </div> <center><h1>Class type <a href="type_Nethttpd_engine.http_engine_config.html">Nethttpd_engine.http_engine_config</a></h1></center> <br> <pre><span class="keyword">class type</span> <a name="TYPEhttp_engine_config"></a>http_engine_config = <code class="code">object</code> <a href="Nethttpd_engine.http_engine_config.html">..</a> <code class="code">end</code></pre><b>Inherits</b><ul> <li><a href="Nethttpd_reactor.http_processor_config.html"><code class="code">Nethttpd_reactor.http_processor_config</code></a></li> </ul> <hr width="100%"> <pre><span class="keyword">method</span> <a name="METHODconfig_input_flow_control"></a>config_input_flow_control : <code class="type">bool</code></pre><div class="info"> If <code class="code">true</code>, the engine stops reading input tokens from the HTTP kernel when there is data in the input channel of the engine not yet read. If <code class="code">false</code>, all available input tokens are fetched from the kernel and buffered up in the input channel. <p> In general, this <b>should</b> be set to <code class="code">true</code>. However, this is only possible when the user of the engine is prepared for flow control. In particular, all data contained in the input channel must be immediately read, or else the engine blocks. By calling <code class="code">input_ch_async # request_notification</code>, the user can be notified when there is data to read. <p> When set to <code class="code">false</code>, the engine never blocks, but the price is that the input channel may become as large as needed to store the whole request. <p> The option <code class="code">config_limit_pipeline_size</code> does not have any effect for engines.<br> </div> <pre><span class="keyword">method</span> <a name="METHODconfig_output_flow_control"></a>config_output_flow_control : <code class="type">bool</code></pre><div class="info"> If <code class="code">true</code>, the engine signals the user when there is already enough data to output, and no more output should be generated. The user can query this state by calling <code class="code">output_ch_async # can_output</code>, and react accordingly. The user can also ignore this signal, and the output channel buffers all data. <p> If <code class="code">false</code>, the mentioned method <code class="code">can_output</code> returns always <code class="code">true</code>. This turns off flow control in the case it is implemented by the user of the engine, but actually not wanted. <p> The internal processing of data is not affected by this configuration option. In doubt, set it to <code class="code">true</code>.<br> </div> </body></html>
