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<th colspan="3" align="center">LPRng Reference Manual: 24
Sep 2004 (For LPRng-3.8.28)</th>
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<div class="CHAPTER">
<h1><a name="REMOTELOGGER"></a>Chapter 21. Remote Logger
Operation</h1>
<div class="TOC">
<dl>
<dt><b>Table of Contents</b></dt>
<dt>21.1. <a href="remotelogger.htm#LOGGER">Logger
Network Communication</a></dt>
<dt>21.2. <a href="x10991.htm">Logger Messages</a></dt>
<dt>21.3. <a href="x10996.htm">Message Format</a></dt>
<dt>21.4. <a href="x11024.htm">Dump Messages</a></dt>
<dt>21.5. <a href="x11027.htm">LPD Messages</a></dt>
<dt>21.6. <a href="x11032.htm">Job Status Messages -
UPDATE</a></dt>
<dt>21.7. <a href="x11044.htm">Printer Status Messages -
PRSTATUS</a></dt>
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<p>Several sites have wanted a way to provide central logging
of job status and/or information. In order to do this, the
following functionality is implemented in <b class=
"APPLICATION">LPRng</b>.</p>
<div class="SECT1">
<h1 class="SECT1"><a name="LOGGER">21.1. Logger Network
Communication</a></h1>
<p>Options used:</p>
<ul>
<li>
<p><var class="LITERAL">logger_destination=</var><span
class="emphasis"><i class="EMPHASIS">logger information
destination</i></span></p>
</li>
<li>
<p><var class="LITERAL">logger_pathname=</var><span
class="emphasis"><i class="EMPHASIS">pathname of temp
file for log information</i></span></p>
</li>
<li>
<p><var class="LITERAL">logger_max_size=</var><span
class="emphasis"><i class="EMPHASIS">max size in K of
temp file for log information</i></span></p>
</li>
<li>
<p><var class="LITERAL">logger_timeout=</var><span
class="emphasis"><i class="EMPHASIS">time between
connection attempts</i></span></p>
</li>
</ul>
<br>
<br>
<p>The printcap/configuration variable <var class=
"LITERAL">logger_destination</var> specifies a destination
in the standard <var class="LITERAL">host%port</var>
notation used by <b class="APPLICATION">LPRng</b>. Host is
the destination host, and can be a name or IP address. Port
is the port on the destination host. A TCP/IP connection is
made to the indicated port.</p>
<p>Log information is save in a temporary file specified by
<var class="LITERAL">logger_path</var>, and up to <var
class="LITERAL">logger_max_size</var> K bytes of data will
be saved.</p>
<p>If a connection cannot be made to the <var class=
"LITERAL">logger_destination</var>, then every <var class=
"LITERAL">logger_timeout</var> seconds a new connection
attempt will be made. If <var class=
"LITERAL">logger_timeout</var> is 0, then a connection
attempt will be made every time new data arrives to be
logged.</p>
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