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23          <th colspan="3" align="center">LPRng Reference Manual: 5
24          Sep 2003 (For LPRng-3.8.22)</th>
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41    <div class="CHAPTER">
42      <h1><a name="REMOTELOGGER"></a>Chapter 21. Remote Logger
43      Operation</h1>
44
45      <div class="TOC">
46        <dl>
47          <dt><b>Table of Contents</b></dt>
48
49          <dt>21.1. <a href="remotelogger.htm#LOGGER">Logger
50          Network Communication</a></dt>
51
52          <dt>21.2. <a href="x10892.htm">Logger Messages</a></dt>
53
54          <dt>21.3. <a href="x10897.htm">Message Format</a></dt>
55
56          <dt>21.4. <a href="x10925.htm">Dump Messages</a></dt>
57
58          <dt>21.5. <a href="x10928.htm">LPD Messages</a></dt>
59
60          <dt>21.6. <a href="x10933.htm">Job Status Messages -
61          UPDATE</a></dt>
62
63          <dt>21.7. <a href="x10945.htm">Printer Status Messages -
64          PRSTATUS</a></dt>
65        </dl>
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67
68      <p>Several sites have wanted a way to provide central logging
69      of job status and/or information. In order to do this, the
70      following functionality is implemented in <b class=
71      "APPLICATION">LPRng</b>.</p>
72
73      <div class="SECT1">
74        <h1 class="SECT1"><a name="LOGGER">21.1. Logger Network
75        Communication</a></h1>
76
77        <p>Options used:</p>
78
79        <ul>
80          <li>
81            <p><var class="LITERAL">logger_destination=</var><span
82            class="emphasis"><i class="EMPHASIS">logger information
83            destination</i></span></p>
84          </li>
85
86          <li>
87            <p><var class="LITERAL">logger_pathname=</var><span
88            class="emphasis"><i class="EMPHASIS">pathname of temp
89            file for log information</i></span></p>
90          </li>
91
92          <li>
93            <p><var class="LITERAL">logger_max_size=</var><span
94            class="emphasis"><i class="EMPHASIS">max size in K of
95            temp file for log information</i></span></p>
96          </li>
97
98          <li>
99            <p><var class="LITERAL">logger_timeout=</var><span
100            class="emphasis"><i class="EMPHASIS">time between
101            connection attempts</i></span></p>
102          </li>
103        </ul>
104        <br>
105        <br>
106
107        <p>The printcap/configuration variable <var class=
108        "LITERAL">logger_destination</var> specifies a destination
109        in the standard <var class="LITERAL">host%port</var>
110        notation used by <b class="APPLICATION">LPRng</b>. Host is
111        the destination host, and can be a name or IP address. Port
112        is the port on the destination host. A TCP/IP connection is
113        made to the indicated port.</p>
114
115        <p>Log information is save in a temporary file specified by
116        <var class="LITERAL">logger_path</var>, and up to <var
117        class="LITERAL">logger_max_size</var> K bytes of data will
118        be saved.</p>
119
120        <p>If a connection cannot be made to the <var class=
121        "LITERAL">logger_destination</var>, then every <var class=
122        "LITERAL">logger_timeout</var> seconds a new connection
123        attempt will be made. If <var class=
124        "LITERAL">logger_timeout</var> is 0, then a connection
125        attempt will be made every time new data arrives to be
126        logged.</p>
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147          <td width="33%" align="left" valign="top">I want to
148          replace lp, lpstat, etc, but my programs need them</td>
149
150          <td width="34%" align="center" valign="top">&nbsp;</td>
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152          <td width="33%" align="right" valign="top">Logger
153          Messages</td>
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