php/latest/latest.php

<?php

#
# i-scream central monitoring system
# http://www.i-scream.org.uk
# Copyright (C) 2000-2002 i-scream
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#

# Navigation for the i-scream reports.
# pjm2@ukc.ac.uk
#
# CONFIGURABLE CONSTANTS: -

include("latest_config.inc.php");

#
# END CONFIGURATION

include("iutils.inc.php");

function printLine($title) {
    echo "<hr style=\"color:#9999ff;\">";
    echo "<b>$title</b>";
}


function showStat($title, $value, $input, $graph="") {

    $report = $value;

    $value = getPregMatch($value, $input);
    if (!isset($value)) {
        $value = "<i><font color=\"#999999\">not sent</font></i>";
    }
    ?>
        <table border="0" width="100%">
          <tr>
            <td width="50%" align="right" valign="top">
             <b><?=$title?></b>
            </td>
            <td width="50%" align="left" valign="top">
             <? if (preg_match("/^[0-9]+\.?[0-9]*$/", $value)) {
                    linkToHistory($graph);
                } ?> 
              <?=$value?></td>
          </tr>
        </table>
    <?
}


function linkToHistory($graph) {
    global $machine;
    if(!empty($graph)) {
        echo <<<EOT
        <a href="graphs.php?machine_name=$machine&graph=$graph&submit=Show"><img src="minichart.gif" alt="View historical graphs of this data" width="20" height="20" border="0"></a>
EOT;
    }
}


# show all disk information.
function showDisks($diskRoot, $units, $input) {
    include("latest_config.inc.php");

    $i = 0;
    while(1) {
        $name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
        $mount = getPregMatch("$diskRoot.p$i.attributes.mount", $input);
        if ($name || $mount) {
            $used = "$diskRoot.p$i.attributes.used";
            $kbytes = "$diskRoot.p$i.attributes.kbytes";
            $graph = preg_replace("/_/", "$hex_underscore", $mount);
            $graph = preg_replace("/\//", "$hex_slash", $graph);
            $totalinodes = getPregMatch("$diskRoot.p$i.attributes.totalinodes", $input);
            $freeinodes = getPregMatch("$diskRoot.p$i.attributes.freeinodes", $input);
            showBar("$name ($mount)<br>space used", $used, $kbytes, $units, $input, "disk-$graph");
            showBar("inodes used", (int) $freeinodes, (int) $totalinodes, " inodes", $input, "", "swap");
            print "          <br><br>\n";
        }
        else {
            break;
        }
        $i++;
    }
}

# Return a preg_match result.
function getPregMatch($value, $input) {
    preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
    return $matches[1];
}


# show a bar-represented value.
function showBar($title, $value, $max, $units, $input, $graph="", $arrange='normal') {

    include("latest_config.inc.php");

    $report = $value;
    if (!is_int($value)) {
        $value = getPregMatch($value, $input);
    }
    if (!is_int($max)) {
        $max = getPregMatch($max, $input);
    }
    if (!isset($value) || !isset($max)) {
        return;
    }

    if ($arrange == 'swap') {
        $value = $max - $value;
    }

    if(empty($max)) {
        $width = 1;
    }
    else {
        $width = intval($max_width * $value / $max);
        if ($width < 1) {
            $width = 1;
        }
    }

    ?>
        <table border="0" cellpadding="0" cellspacing="0" align="center">
          <tr>
            <td colspan="2"><? linkToHistory($graph); ?> <b><?=$title?></b> <font size="2">(<?=$value?><?=$units?>)</font></td>
          </tr>
          <tr>
            <td colspan="2" bgcolor="#eeeeff"><img src="<?=$barImage?>" border="0" height="20" width="<?=$width?>"></td>
          </tr>
          <tr>
            <td colspan="2"><img src="<?=$scaleImage?>" border="0" height="11" width="<?=$max_width?>"></td>
          </tr>
          <tr>
            <td align="left">0<?=$units?></td>
            <td align="right"><?=$max?><?=$units?></td>
          </tr>
        </table>
    <?
}


?>

<? include($titleHTML); ?>

<? printLine("Display the latest information received from a host"); ?>

<form method="<? echo $formMethod ?>" action="<? echo $thisPage ?>">
<?

    $file_array = getdirArray($latestDirectory,'asort');
    print "<select size=\"1\" name=\"machine\">";
    if ($machine) { ?>
        <option selected value="<? echo $machine ?>"><? echo $machine ?></option>
        <option value="">----------------</option>
    <? }
    foreach($file_array as $file_name) {
        #if (is_dir($file_name)) {
            print "<option value=\"$file_name\">$file_name</option>";
        #}
    }
    print "</select>";

?>
 <input type="submit" name="submit" value="Display">
</form>

<? if ($machine) {

       $last_modified = filemtime("$latestDirectory/$machine/$latestData");
       clearstatcache();
       $data_age = time() - $last_modified;

       $last_modified = date("l jS F Y - g:ia", $last_modified);

       if ($data_age > $warning_age) {
           $warning = <<<EOT
               <br>
               <font color="red"><b>
                   Warning:
               </b></font>
                   This realtime report is too old to be considered recent
EOT;
       }

echo <<<EOT
       <table border="0" bgcolor="#000066" cellpadding="3" cellspacing="1">
         <tr>
           <td bgcolor="#000066">
             &nbsp;
           </td>
           <td bgcolor="#ffffcc">
             <font face="arial,sans-serif" size="2">
               <b>Receipt date:</b> $last_modified
               $warning
             </font>
           </td>
         </tr>
       </table>
EOT;

       # Read the file.
       if (file_exists("$latestDirectory/$machine/$latestData")) {
           $input = file("$latestDirectory/$machine/$latestData");
           # All we need is the first line if there is more than one line.
           $input = $input[0];
       }

       if (!isset($input)) {
           echo "<br><br>There are currently no latest details about <b>$machine</b>.  Please notify your i-scream server administrator if you believe this to be incorrect.";
       }
       else {
           # Display the data specified in the display include.
           include("latest_display.inc.php");
       }
   }

?>

<? printLine(""); ?>

<? include($bottomHTML); ?>
Revision:	1.43
Committed:	Mon Oct 21 13:02:58 2002 UTC (22 years ago) by tdb
Branch:	MAIN
Changes since 1.42:	+8 -6 lines
Log Message:	Add support for disk inode usage, and paging activity. Have added to both the latest data page, and to the graphs sections. Also reworked the memory, swap, and disk graphing to be percentage based.
#	User	Rev	Content
1	pjm2	1.1	<?php
2
3	tdb	1.37	#
4			# i-scream central monitoring system
5	tdb	1.41	# http://www.i-scream.org.uk
6	tdb	1.37	# Copyright (C) 2000-2002 i-scream
7			#
8			# This program is free software; you can redistribute it and/or
9			# modify it under the terms of the GNU General Public License
10			# as published by the Free Software Foundation; either version 2
11			# of the License, or (at your option) any later version.
12			#
13			# This program is distributed in the hope that it will be useful,
14			# but WITHOUT ANY WARRANTY; without even the implied warranty of
15			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			# GNU General Public License for more details.
17			#
18			# You should have received a copy of the GNU General Public License
19			# along with this program; if not, write to the Free Software
20			# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21			#
22
23	pjm2	1.1	# Navigation for the i-scream reports.
24			# pjm2@ukc.ac.uk
25			#
26			# CONFIGURABLE CONSTANTS: -
27
28			include("latest_config.inc.php");
29
30			#
31			# END CONFIGURATION
32
33	pjm2	1.18	include("iutils.inc.php");
34	pjm2	1.1
35	pjm2	1.9	function printLine($title) {
36	pjm2	1.19	echo "<hr style=\"color:#9999ff;\">";
37	pjm2	1.9	echo "<b>$title</b>";
38	pjm2	1.6	}
39
40	pjm2	1.1
41	tdb	1.42	function showStat($title, $value, $input, $graph="") {
42	pjm2	1.24
43			$report = $value;
44
45	pjm2	1.28	$value = getPregMatch($value, $input);
46	tdb	1.38	if (!isset($value)) {
47	pjm2	1.8	$value = "<i><font color=\"#999999\">not sent</font></i>";
48	pjm2	1.1	}
49			?>
50			<table border="0" width="100%">
51			<tr>
52	pjm2	1.24	<td width="50%" align="right" valign="top">
53			<b><?=$title?></b>
54			</td>
55			<td width="50%" align="left" valign="top">
56			<? if (preg_match("/^[0-9]+\.?[0-9]*$/", $value)) {
57	tdb	1.42	linkToHistory($graph);
58	pjm2	1.24	} ?>
59			<?=$value?></td>
60	pjm2	1.1	</tr>
61			</table>
62			<?
63			}
64
65
66	tdb	1.42	function linkToHistory($graph) {
67	pjm2	1.20	global $machine;
68	tdb	1.42	if(!empty($graph)) {
69			echo <<<EOT
70			<a href="graphs.php?machine_name=$machine&graph=$graph&submit=Show"><img src="minichart.gif" alt="View historical graphs of this data" width="20" height="20" border="0"></a>
71	pjm2	1.20	EOT;
72	tdb	1.42	}
73	pjm2	1.20	}
74
75
76	pjm2	1.28	# show all disk information.
77			function showDisks($diskRoot, $units, $input) {
78			include("latest_config.inc.php");
79
80			$i = 0;
81			while(1) {
82			$name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
83	pjm2	1.31	$mount = getPregMatch("$diskRoot.p$i.attributes.mount", $input);
84			if ($name \|\| $mount) {
85			$used = "$diskRoot.p$i.attributes.used";
86			$kbytes = "$diskRoot.p$i.attributes.kbytes";
87	tdb	1.42	$graph = preg_replace("/_/", "$hex_underscore", $mount);
88			$graph = preg_replace("/\//", "$hex_slash", $graph);
89	tdb	1.43	$totalinodes = getPregMatch("$diskRoot.p$i.attributes.totalinodes", $input);
90			$freeinodes = getPregMatch("$diskRoot.p$i.attributes.freeinodes", $input);
91			showBar("$name ($mount)<br>space used", $used, $kbytes, $units, $input, "disk-$graph");
92			showBar("inodes used", (int) $freeinodes, (int) $totalinodes, " inodes", $input, "", "swap");
93			print " <br><br>\n";
94	pjm2	1.28	}
95	pjm2	1.30	else {
96			break;
97			}
98	pjm2	1.28	$i++;
99			}
100			}
101
102			# Return a preg_match result.
103			function getPregMatch($value, $input) {
104	pjm2	1.29	preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
105	pjm2	1.28	return $matches[1];
106			}
107
108
109	pjm2	1.1	# show a bar-represented value.
110	tdb	1.42	function showBar($title, $value, $max, $units, $input, $graph="", $arrange='normal') {
111	pjm2	1.1
112			include("latest_config.inc.php");
113
114	pjm2	1.22	$report = $value;
115	tdb	1.43	if (!is_int($value)) {
116			$value = getPregMatch($value, $input);
117			}
118	pjm2	1.1	if (!is_int($max)) {
119	pjm2	1.28	$max = getPregMatch($max, $input);
120	pjm2	1.1	}
121	tdb	1.40	if (!isset($value) \|\| !isset($max)) {
122	pjm2	1.1	return;
123			}
124
125	pjm2	1.26	if ($arrange == 'swap') {
126	pjm2	1.27	$value = $max - $value;
127	pjm2	1.26	}
128	pjm2	1.27
129	tdb	1.40	if(empty($max)) {
130	pjm2	1.35	$width = 1;
131	tdb	1.40	}
132			else {
133			$width = intval($max_width * $value / $max);
134			if ($width < 1) {
135			$width = 1;
136			}
137	pjm2	1.35	}
138
139	pjm2	1.1	?>
140	pjm2	1.10	<table border="0" cellpadding="0" cellspacing="0" align="center">
141	pjm2	1.1	<tr>
142	tdb	1.42	<td colspan="2"><? linkToHistory($graph); ?> <b><?=$title?></b> <font size="2">(<?=$value?><?=$units?>)</font></td>
143	pjm2	1.1	</tr>
144			<tr>
145			<td colspan="2" bgcolor="#eeeeff"><img src="<?=$barImage?>" border="0" height="20" width="<?=$width?>"></td>
146			</tr>
147			<tr>
148			<td colspan="2"><img src="<?=$scaleImage?>" border="0" height="11" width="<?=$max_width?>"></td>
149			</tr>
150			<tr>
151	pjm2	1.13	<td align="left">0<?=$units?></td>
152			<td align="right"><?=$max?><?=$units?></td>
153	pjm2	1.15	</tr>
154	pjm2	1.1	</table>
155			<?
156			}
157
158
159			?>
160
161			<? include($titleHTML); ?>
162
163	pjm2	1.12	<? printLine("Display the latest information received from a host"); ?>
164	pjm2	1.1
165			<form method="<? echo $formMethod ?>" action="<? echo $thisPage ?>">
166			<?
167
168	pjm2	1.5	$file_array = getdirArray($latestDirectory,'asort');
169	pjm2	1.1	print "<select size=\"1\" name=\"machine\">";
170			if ($machine) { ?>
171			<option selected value="<? echo $machine ?>"><? echo $machine ?></option>
172			<option value="">----------------</option>
173			<? }
174			foreach($file_array as $file_name) {
175	pjm2	1.3	#if (is_dir($file_name)) {
176	pjm2	1.1	print "<option value=\"$file_name\">$file_name</option>";
177	pjm2	1.3	#}
178	pjm2	1.1	}
179			print "</select>";
180
181			?>
182			<input type="submit" name="submit" value="Display">
183			</form>
184
185			<? if ($machine) {
186
187	pjm2	1.12	$last_modified = filemtime("$latestDirectory/$machine/$latestData");
188			clearstatcache();
189			$data_age = time() - $last_modified;
190
191	pjm2	1.36	$last_modified = date("l jS F Y - g:ia", $last_modified);
192	pjm2	1.12
193			if ($data_age > $warning_age) {
194			$warning = <<<EOT
195			<br>
196			<font color="red"><b>
197			Warning:
198			</b></font>
199			This realtime report is too old to be considered recent
200			EOT;
201			}
202
203			echo <<<EOT
204	pjm2	1.16	<table border="0" bgcolor="#000066" cellpadding="3" cellspacing="1">
205	pjm2	1.12	<tr>
206			<td bgcolor="#000066">
207
208			</td>
209			<td bgcolor="#ffffcc">
210			<font face="arial,sans-serif" size="2">
211	pjm2	1.24	<b>Receipt date:</b> $last_modified
212	pjm2	1.12	$warning
213			</font>
214			</td>
215			</tr>
216			</table>
217			EOT;
218
219	pjm2	1.1	# Read the file.
220	pjm2	1.25	if (file_exists("$latestDirectory/$machine/$latestData")) {
221			$input = file("$latestDirectory/$machine/$latestData");
222			# All we need is the first line if there is more than one line.
223			$input = $input[0];
224			}
225	pjm2	1.1
226	tdb	1.38	if (!isset($input)) {
227	pjm2	1.25	echo "<br><br>There are currently no latest details about <b>$machine</b>. Please notify your i-scream server administrator if you believe this to be incorrect.";
228	pjm2	1.1	}
229			else {
230			# Display the data specified in the display include.
231			include("latest_display.inc.php");
232			}
233	pjm2	1.9	}
234	pjm2	1.12
235	pjm2	1.1	?>
236
237	pjm2	1.16	<? printLine(""); ?>
238	pjm2	1.1
239			<? include($bottomHTML); ?>