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";
            $total = "$diskRoot.p$i.attributes.total";
            $graph = preg_replace("/_/", "$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, $total, $units, $input, "disk-$graph");
            showBar("inodes used", (int) $freeinodes, (int) $totalinodes, " inodes", $input, "", "swap");
            print "          <br><br>\n";
        }
        else {
            break;
        }
        $i++;
    }
}


# show all disk IO information.
function showDiskIO($diskRoot, $input) {
    include("latest_config.inc.php");
 
    $i = 0;
    while(1) {
        $name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
        if ($name) {
            print "<br><center><b>(Disk $name)</b></center>";
            showStat("Read bytes (per sec)", "$diskRoot.p$i.attributes.rbytes", $input, "diskio-$name");
            showStat("Write bytes (per sec)", "$diskRoot.p$i.attributes.wbytes", $input, "diskio-$name");
            print "          <br>\n";
        }
        else {
            break;
        }
        $i++;
    }
}


# show all network information.
function showNet($netRoot, $input) {
    include("latest_config.inc.php");
                                                                                
    $i = 0;
    while(1) {
        $name = getPregMatch("$netRoot.p$i.attributes.name", $input);
        if ($name) {
            print "<br><center><b>(Network Interface $name)</b></center>";
            showStat("Received bytes (per sec)", "$netRoot.p$i.attributes.rx", $input, "net-$name");
            showStat("Transfered bytes (per sec)", "$netRoot.p$i.attributes.tx", $input, "net-$name");
            print "          <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($bottomHTML); ?>
Revision:	1.44
Committed:	Mon Mar 10 21:17:42 2003 UTC (21 years, 7 months ago) by tdb
Branch:	MAIN
Changes since 1.43:	+45 -2 lines
Log Message:	Update the web pages to deal with the new data.
#	User	Rev	Content
1	pjm2	1.1	<?php
2
3	tdb	1.37	#
4			# i-scream central monitoring system
5	tdb	1.41	# http://www.i-scream.org.uk
6	tdb	1.37	# Copyright (C) 2000-2002 i-scream
7			#
8			# This program is free software; you can redistribute it and/or
9			# modify it under the terms of the GNU General Public License
10			# as published by the Free Software Foundation; either version 2
11			# of the License, or (at your option) any later version.
12			#
13			# This program is distributed in the hope that it will be useful,
14			# but WITHOUT ANY WARRANTY; without even the implied warranty of
15			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			# GNU General Public License for more details.
17			#
18			# You should have received a copy of the GNU General Public License
19			# along with this program; if not, write to the Free Software
20			# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21			#
22
23	pjm2	1.1	# Navigation for the i-scream reports.
24			# pjm2@ukc.ac.uk
25			#
26			# CONFIGURABLE CONSTANTS: -
27
28			include("latest_config.inc.php");
29
30			#
31			# END CONFIGURATION
32
33	pjm2	1.18	include("iutils.inc.php");
34	pjm2	1.1
35	pjm2	1.9	function printLine($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	tdb	1.44	$total = "$diskRoot.p$i.attributes.total";
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", $input);
91	tdb	1.44	showBar("$name ($mount)<br>space used", $used, $total, $units, $input, "disk-$graph");
92	tdb	1.43	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	$i++;
99			}
100			}
101	tdb	1.44
102
103			# show all disk IO information.
104			function showDiskIO($diskRoot, $input) {
105			include("latest_config.inc.php");
106
107			$i = 0;
108			while(1) {
109			$name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
110			if ($name) {
111			print "<br><center><b>(Disk $name)</b></center>";
112			showStat("Read bytes (per sec)", "$diskRoot.p$i.attributes.rbytes", $input, "diskio-$name");
113			showStat("Write bytes (per sec)", "$diskRoot.p$i.attributes.wbytes", $input, "diskio-$name");
114			print " <br>\n";
115			}
116			else {
117			break;
118			}
119			$i++;
120			}
121			}
122
123
124			# show all network information.
125			function showNet($netRoot, $input) {
126			include("latest_config.inc.php");
127
128			$i = 0;
129			while(1) {
130			$name = getPregMatch("$netRoot.p$i.attributes.name", $input);
131			if ($name) {
132			print "<br><center><b>(Network Interface $name)</b></center>";
133			showStat("Received bytes (per sec)", "$netRoot.p$i.attributes.rx", $input, "net-$name");
134			showStat("Transfered bytes (per sec)", "$netRoot.p$i.attributes.tx", $input, "net-$name");
135			print " <br>\n";
136			}
137			else {
138			break;
139			}
140			$i++;
141			}
142			}
143
144	pjm2	1.28
145			# Return a preg_match result.
146			function getPregMatch($value, $input) {
147	pjm2	1.29	preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
148	pjm2	1.28	return $matches[1];
149			}
150
151
152	pjm2	1.1	# show a bar-represented value.
153	tdb	1.42	function showBar($title, $value, $max, $units, $input, $graph="", $arrange='normal') {
154	pjm2	1.1
155			include("latest_config.inc.php");
156
157	pjm2	1.22	$report = $value;
158	tdb	1.43	if (!is_int($value)) {
159			$value = getPregMatch($value, $input);
160			}
161	pjm2	1.1	if (!is_int($max)) {
162	pjm2	1.28	$max = getPregMatch($max, $input);
163	pjm2	1.1	}
164	tdb	1.40	if (!isset($value) \|\| !isset($max)) {
165	pjm2	1.1	return;
166			}
167
168	pjm2	1.26	if ($arrange == 'swap') {
169	pjm2	1.27	$value = $max - $value;
170	pjm2	1.26	}
171	pjm2	1.27
172	tdb	1.40	if(empty($max)) {
173	pjm2	1.35	$width = 1;
174	tdb	1.40	}
175			else {
176			$width = intval($max_width * $value / $max);
177			if ($width < 1) {
178			$width = 1;
179			}
180	pjm2	1.35	}
181
182	pjm2	1.1	?>
183	pjm2	1.10	<table border="0" cellpadding="0" cellspacing="0" align="center">
184	pjm2	1.1	<tr>
185	tdb	1.42	<td colspan="2"><? linkToHistory($graph); ?> <b><?=$title?></b> <font size="2">(<?=$value?><?=$units?>)</font></td>
186	pjm2	1.1	</tr>
187			<tr>
188			<td colspan="2" bgcolor="#eeeeff"><img src="<?=$barImage?>" border="0" height="20" width="<?=$width?>"></td>
189			</tr>
190			<tr>
191			<td colspan="2"><img src="<?=$scaleImage?>" border="0" height="11" width="<?=$max_width?>"></td>
192			</tr>
193			<tr>
194	pjm2	1.13	<td align="left">0<?=$units?></td>
195			<td align="right"><?=$max?><?=$units?></td>
196	pjm2	1.15	</tr>
197	pjm2	1.1	</table>
198			<?
199			}
200
201
202			?>
203
204			<? include($titleHTML); ?>
205
206	pjm2	1.12	<? printLine("Display the latest information received from a host"); ?>
207	pjm2	1.1
208			<form method="<? echo $formMethod ?>" action="<? echo $thisPage ?>">
209			<?
210
211	pjm2	1.5	$file_array = getdirArray($latestDirectory,'asort');
212	pjm2	1.1	print "<select size=\"1\" name=\"machine\">";
213			if ($machine) { ?>
214			<option selected value="<? echo $machine ?>"><? echo $machine ?></option>
215			<option value="">----------------</option>
216			<? }
217			foreach($file_array as $file_name) {
218	pjm2	1.3	#if (is_dir($file_name)) {
219	pjm2	1.1	print "<option value=\"$file_name\">$file_name</option>";
220	pjm2	1.3	#}
221	pjm2	1.1	}
222			print "</select>";
223
224			?>
225			<input type="submit" name="submit" value="Display">
226			</form>
227
228			<? if ($machine) {
229
230	pjm2	1.12	$last_modified = filemtime("$latestDirectory/$machine/$latestData");
231			clearstatcache();
232			$data_age = time() - $last_modified;
233
234	pjm2	1.36	$last_modified = date("l jS F Y - g:ia", $last_modified);
235	pjm2	1.12
236			if ($data_age > $warning_age) {
237			$warning = <<<EOT
238			<br>
239			<font color="red"><b>
240			Warning:
241			</b></font>
242			This realtime report is too old to be considered recent
243			EOT;
244			}
245
246			echo <<<EOT
247	pjm2	1.16	<table border="0" bgcolor="#000066" cellpadding="3" cellspacing="1">
248	pjm2	1.12	<tr>
249			<td bgcolor="#000066">
250
251			</td>
252			<td bgcolor="#ffffcc">
253			<font face="arial,sans-serif" size="2">
254	pjm2	1.24	<b>Receipt date:</b> $last_modified
255	pjm2	1.12	$warning
256			</font>
257			</td>
258			</tr>
259			</table>
260			EOT;
261
262	pjm2	1.1	# Read the file.
263	pjm2	1.25	if (file_exists("$latestDirectory/$machine/$latestData")) {
264			$input = file("$latestDirectory/$machine/$latestData");
265			# All we need is the first line if there is more than one line.
266			$input = $input[0];
267			}
268	pjm2	1.1
269	tdb	1.38	if (!isset($input)) {
270	pjm2	1.25	echo "<br><br>There are currently no latest details about <b>$machine</b>. Please notify your i-scream server administrator if you believe this to be incorrect.";
271	pjm2	1.1	}
272			else {
273			# Display the data specified in the display include.
274			include("latest_display.inc.php");
275			}
276	pjm2	1.9	}
277	pjm2	1.12
278	pjm2	1.1	?>
279
280	pjm2	1.16	<? printLine(""); ?>
281	pjm2	1.1
282			<? include($bottomHTML); ?>