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<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">&nbsp;en&nbsp;</a> |
<a href="../ko/mod/mod_example.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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<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">Module Identifier:</a></th><td>example_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</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>
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<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&nbsp;src;&nbsp;./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>
   &lt;Location /example-info&gt;<br />
       SetHandler example-handler<br />
   &lt;/Location&gt;
</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>
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<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>
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