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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:01:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:01:30 +0000 |
| commit | 6beeb1b708550be0d4a53b272283e17e5e35fe17 (patch) | |
| tree | 1ce8673d4aaa948e5554000101f46536a1e4cc29 /docs/manual/mod/mod_log_debug.html.en | |
| parent | Initial commit. (diff) | |
| download | apache2-3d46059c28a1d66e6e1aeb209491f1324c913a25.tar.xz apache2-3d46059c28a1d66e6e1aeb209491f1324c913a25.zip | |
Adding upstream version 2.4.57.upstream/2.4.57
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_log_debug.html.en')
| -rw-r--r-- | docs/manual/mod/mod_log_debug.html.en | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_log_debug.html.en b/docs/manual/mod/mod_log_debug.html.en new file mode 100644 index 0000000..a97cf5f --- /dev/null +++ b/docs/manual/mod/mod_log_debug.html.en @@ -0,0 +1,172 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_log_debug - Apache HTTP Server Version 2.4</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_log_debug</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_log_debug.html" title="English"> en </a> | +<a href="../fr/mod/mod_log_debug.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Additional configurable debug logging</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>log_debug_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_log_debug.c</td></tr> +<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.3.14 and later</td></tr></table> +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li> +</ul><h3 class="directives">Directives</h3> +<ul id="toc"> +<li><img alt="" src="../images/down.gif" /> <a href="#logmessage">LogMessage</a></li> +</ul> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_log_debug">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_log_debug">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><a href="#comments_section">Comments</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="examples" id="examples">Examples</a></h2> + + <ol> + <li> + Log message after request to /foo/* is processed: + + <pre class="prettyprint lang-config"><Location "/foo/"> + LogMessage "/foo/ has been requested" +</Location></pre> + + </li> + + <li> + Log message if request to /foo/* is processed in a sub-request: + <pre class="prettyprint lang-config"><Location "/foo/"> + LogMessage "subrequest to /foo/" hook=type_checker "expr=-T %{IS_SUBREQ}" +</Location></pre> + + + The default log_transaction hook is not executed for sub-requests, + therefore we have to use a different hook. + </li> + + + <li> + Log message if an IPv6 client causes a request timeout: + <pre class="prettyprint lang-config">LogMessage "IPv6 timeout from %{REMOTE_ADDR}" "expr=-T %{IPV6} && %{REQUEST_STATUS} = 408"</pre> + + Note the placing of the double quotes for the <code>expr=</code> argument. + </li> + + <li> + Log the value of the "X-Foo" request environment variable in each + stage of the request: + <pre class="prettyprint lang-config"><Location "/"> + LogMessage "%{reqenv:X-Foo}" hook=all +</Location></pre> + + Together with microsecond time stamps in the error log, + <code>hook=all</code> also lets you determine the times spent + in the different parts of the request processing. + </li> + + </ol> +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="LogMessage" id="LogMessage">LogMessage</a> <a name="logmessage" id="logmessage">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Log user-defined message to error log +</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>LogMessage <var>message</var> +[hook=<var>hook</var>] [expr=<var>expression</var>] +</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Unset</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</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_log_debug</td></tr> +</table> + <p>This directive causes a user defined message to be logged to the + error log. The message can use variables and functions from the + <a href="../expr.html">ap_expr syntax</a>. References to HTTP headers + will not cause header names to be added to the Vary header. The + messages are logged at loglevel info.</p> + + <p>The hook specifies before which phase of request processing the message + will be logged. The following hooks are supported:</p> + + <table class="bordered"><tr class="header"><th>Name</th></tr> +<tr><td><code>pre_translate_name</code></td></tr> +<tr class="odd"><td><code>translate_name</code></td></tr> +<tr><td><code>type_checker</code></td></tr> +<tr class="odd"><td><code>quick_handler</code></td></tr> +<tr><td><code>map_to_storage</code></td></tr> +<tr class="odd"><td><code>check_access</code></td></tr> +<tr><td><code>check_access_ex</code></td></tr> +<tr class="odd"><td><code>insert_filter</code></td></tr> +<tr><td><code>check_authn</code></td></tr> +<tr class="odd"><td><code>check_authz</code></td></tr> +<tr><td><code>fixups</code></td></tr> +<tr class="odd"><td><code>handler</code></td></tr> +<tr><td><code>log_transaction</code></td></tr> +</table> + + <p>The default is <code>log_transaction</code>. The special value + <code>all</code> is also supported, causing a message to be logged at each + phase. Not all hooks are executed for every request.</p> + + <p>The optional expression allows to restrict the message if a + condition is met. The details of the expression syntax are described in + the <a href="../expr.html">ap_expr documentation</a>. References to HTTP + headers will not cause the header names to be added to the Vary header.</p> + + +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_log_debug.html" title="English"> en </a> | +<a href="../fr/mod/mod_log_debug.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_log_debug.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> +<p class="apache">Copyright 2023 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> +</body></html>
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