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- <title>mod_example - Apache HTTP Server</title>
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- <div id="page-content">
- <div id="preamble"><h1>Apache Module mod_example</h1>
- <div class="toplang">
- <p><span>Available Languages: </span><a href="../en/mod/mod_example.html" title="English"> en </a></p>
- </div>
- <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Illustrates the Apache module API</td></tr>
- <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
- <tr><th><a href="module-dict.html#ModuleIdentifier">ModuleáIdentifier:</a></th><td>example_module</td></tr>
- <tr><th><a href="module-dict.html#SourceFile">SourceáFile:</a></th><td>mod_example.c</td></tr></table>
- <h3>Summary</h3>
-
- <div class="warning">
- This document has not been updated
- to take into account changes made in the 2.0 version of the
- Apache HTTP Server. Some of the information may still be
- relevant, but please use it with care.
- </div>
-
- <p>The files in the <code>src/modules/example directory</code>
- under the Apache distribution directory tree are provided as an
- example to those that wish to write modules that use the Apache
- API.</p>
-
- <p>The main file is <code>mod_example.c</code>, which
- illustrates all the different callback mechanisms and call
- syntaxes. By no means does an add-on module need to include
- routines for all of the callbacks - quite the contrary!</p>
-
- <p>The example module is an actual working module. If you link
- it into your server, enable the "example-handler" handler for a
- location, and then browse to that location, you will see a
- display of some of the tracing the example module did as the
- various callbacks were made.</p>
- </div>
- <div id="quickview"><h3 class="directives">Directives</h3>
- <ul id="toc">
- <li><img alt="" src="../images/down.gif" /> <a href="#example">Example</a></li>
- </ul>
- <h3>Topics</h3>
- <ul id="topics">
- <li><img alt="" src="../images/down.gif" /> <a href="#compiling">Compiling the example module</a></li>
- <li><img alt="" src="../images/down.gif" /> <a href="#using">Using the <code>mod_example</code> Module</a></li>
- </ul></div>
- <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
- <div class="section">
- <h2><a name="compiling" id="compiling">Compiling the example module</a></h2>
-
- <p>To include the example module in your server, follow the
- steps below:</p>
-
- <ol>
- <li>
- Uncomment the "AddModule modules/example/mod_example" line
- near the bottom of the <code>src/Configuration</code> file.
- If there isn't one, add it; it should look like this:
- <div class="example"><p><code>
- AddModule modules/example/mod_example.o
- </code></p></div>
- </li>
-
- <li>Run the <code>src/Configure</code> script
- ("<code>cd src; ./Configure</code>"). This will
- build the Makefile for the server itself, and update the
- <code>src/modules/Makefile</code> for any additional modules
- you have requested from beneath that subdirectory.</li>
-
- <li>Make the server (run "<code>make</code>" in the
- <code>src</code> directory).</li>
- </ol>
-
- <p>To add another module of your own:</p>
-
- <ol class="up-A">
- <li><code>mkdir src/modules/<em>mymodule</em></code></li>
-
- <li><code>cp src/modules/example/*
- src/modules/<em>mymodule</em></code></li>
-
- <li>Modify the files in the new directory.</li>
-
- <li>Follow steps [1] through [3] above, with appropriate
- changes.</li>
- </ol>
- </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
- <div class="section">
- <h2><a name="using" id="using">Using the <code>mod_example</code> Module</a></h2>
-
- <p>To activate the example module, include a block similar to
- the following in your <code>srm.conf</code> file:</p>
- <div class="example"><p><code>
- <Location /example-info><br />
- SetHandler example-handler<br />
- </Location>
- </code></p></div>
-
- <p>As an alternative, you can put the following into a <a href="core.html#accessfilename"><code>.htaccess</code></a> file
- and then request the file "test.example" from that location:</p>
- <div class="example"><p><code>
- AddHandler example-handler .example
- </code></p></div>
-
- <p>After reloading/restarting your server, you should be able
- to browse to this location and see the brief display mentioned
- earlier.</p>
- </div>
- <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
- <div class="directive-section"><h2><a name="Example" id="Example">Example</a> <a name="example" id="example">Directive</a></h2>
- <table class="directive">
- <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Demonstration directive to illustrate the Apache module
- API</td></tr>
- <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Example</code></td></tr>
- <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
- <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
- <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_example</td></tr>
- </table>
- <p>The <code class="directive">Example</code> directive just sets a demonstration
- flag which the example module's content handler displays. It
- takes no arguments. If you browse to an URL to which the
- example content-handler applies, you will get a display of the
- routines within the module and how and in what order they were
- called to service the document request. The effect of this
- directive one can observe under the point "<code>Example
- directive declared here: YES/NO</code>".</p>
-
- </div>
- </div>
- <div class="bottomlang">
- <p><span>Available Languages: </span><a href="../en/mod/mod_example.html" title="English"> en </a></p>
- </div><div id="footer">
- <p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
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