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- <?xml version="1.0"?>
- <!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
- <?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
- <!-- $Revision: 1.2.2.5 $ -->
-
- <!--
- Copyright 2002-2004 The Apache Software Foundation
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
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- http://www.apache.org/licenses/LICENSE-2.0
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-
- <modulesynopsis metafile="mod_logio.xml.meta">
-
- <name>mod_logio</name>
- <description>Logging of input and output bytes per request</description>
- <status>Extension</status>
- <sourcefile>mod_logio.c</sourcefile>
- <identifier>logio_module</identifier>
-
- <summary>
-
- <p>This module provides the logging of input and output number of
- bytes received/sent per request. The numbers reflect the actual bytes
- as received on the network, which then takes into account the
- headers and bodies of requests and responses. The counting is done
- before SSL/TLS on input and after SSL/TLS on output, so the numbers
- will correctly reflect any changes made by encryption.</p>
-
- <p>This module requires <module>mod_log_config</module>.</p>
-
- </summary>
-
- <seealso><module>mod_log_config</module></seealso>
- <seealso><a href="../logs.html">Apache Log Files</a></seealso>
-
- <section id="formats">
- <title>Custom Log Formats</title>
-
- <p>This modules adds two new logging directives. The characteristics of the
- request itself are logged by placing "<code>%</code>" directives in
- the format string, which are replaced in the log file by the values as
- follows:</p>
-
- <table border="1" style="zebra">
- <tr><th>Format String</th>
- <th>Description</th></tr>
-
- <tr><td><code>%...I</code></td>
- <td>Bytes received, including request and headers, cannot be
- zero.</td></tr>
-
- <tr><td><code>%...O</code></td>
- <td>Bytes sent, including headers, cannot be zero.</td></tr>
- </table>
-
- <p>Usually, the functionality is used like this:</p>
-
- <dl>
- <dt>Combined I/O log format:</dt>
- <dd><code>"%h %l %u %t \"%r\" %>s %b \"%{Referer}i\"
- \"%{User-agent}i\" %I %O"</code></dd>
- </dl>
- </section>
-
- </modulesynopsis>
-