php/latest/latest.php

<?php

#
# i-scream central monitoring system
# http://www.i-scream.org
# 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.
#

# CONFIGURABLE CONSTANTS: -

include("latest_config.inc.php");

#
# END CONFIGURATION

include("iutils.inc.php");

if ($formMethod == "GET") {
    $machine = isset($_GET['machine']) ? $_GET['machine'] : "";
}


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


function showUptime($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);
                } ?>
              <?=uptime($value)?> (<?=$value?> seconds)</td>
          </tr>
        </table>
    <?
}


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;
    }
}


# convert bytes to MB
function b2Mb($bytes) {
    $mb = $bytes / (1024*1024);
    return (int) $mb;
}


# Convert seconds uptime to something readable
function uptime($until) {
    $day = date('z', $until);
    $hour = date('G', $until);
    $hour = $hour - 1; # one too many
    $minute = date('i', $until);
    $return = "";
    if ($day) {
        $return = "$return$day Days ";
    }
    if ($hour) {
        $return = "$return$hour Hours ";
    }
    return "$return$minute Mins";
}


# 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", (float) $freeinodes, (float) $totalinodes, " inodes", $input, "", "swap");
            showStat("FS Type", "$diskRoot.p$i.attributes.fstype", $input);
            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++;
    }
}


# show all mail queue information
function showMailQ($mailqRoot, $input) {
    include("latest_config.inc.php");

    $i = 0;
    while(1) {
        $name = getPregMatch("$mailqRoot.p$i.attributes.name", $input);
        if ($name) {
            print "<br><center><b>($name)</b></center>";
            $name = preg_replace("/\s+/", "", $name);
            showStat("Messages in queue", "$mailqRoot.p$i.attributes.size", $input, "mailq-$name");
            print "          <br>\n";
        }
        else {
            break;
        }
        $i++;
    }
}


# Return a preg_match result.
function getPregMatch($value, $input) {
    preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
    if(!isset($matches[1])) {
        return;
    }
    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 ($units == 'MB') {
        $value = b2Mb ($value);
        $max = b2Mb ($max);
    }

    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;
       }
       else {
           $warning = "";
       }

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($bottomHTML); ?>
Revision:	1.48
Committed:	Wed Mar 30 19:31:06 2005 UTC (19 years, 1 month ago) by tdb
Branch:	MAIN
Changes since 1.47:	+3 -0 lines
Log Message:	return nothing if we don't get a match - this is what was happening anyway, except it generated a warning whilst doing it.
#	User	Rev	Content
1	pjm2	1.1	<?php
2
3	tdb	1.37	#
4			# i-scream central monitoring system
5	tdb	1.45	# http://www.i-scream.org
6	tdb	1.37	# Copyright (C) 2000-2002 i-scream
7			#
8			# This program is free software; you can redistribute it and/or
9			# modify it under the terms of the GNU General Public License
10			# as published by the Free Software Foundation; either version 2
11			# of the License, or (at your option) any later version.
12			#
13			# This program is distributed in the hope that it will be useful,
14			# but WITHOUT ANY WARRANTY; without even the implied warranty of
15			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			# GNU General Public License for more details.
17			#
18			# You should have received a copy of the GNU General Public License
19			# along with this program; if not, write to the Free Software
20			# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21			#
22
23	pjm2	1.1	# CONFIGURABLE CONSTANTS: -
24
25			include("latest_config.inc.php");
26
27			#
28			# END CONFIGURATION
29
30	pjm2	1.18	include("iutils.inc.php");
31	pjm2	1.1
32	tdb	1.46	if ($formMethod == "GET") {
33	tdb	1.47	$machine = isset($_GET['machine']) ? $_GET['machine'] : "";
34	tdb	1.46	}
35
36
37	pjm2	1.9	function printLine($title) {
38	pjm2	1.19	echo "<hr style=\"color:#9999ff;\">";
39	pjm2	1.9	echo "<b>$title</b>";
40	pjm2	1.6	}
41
42	pjm2	1.1
43	tdb	1.46	function showUptime($title, $value, $input, $graph="") {
44			$report = $value;
45
46			$value = getPregMatch($value, $input);
47			if (!isset($value)) {
48			$value = "<i><font color=\"#999999\">not sent</font></i>";
49			}
50			?>
51			<table border="0" width="100%">
52			<tr>
53			<td width="50%" align="right" valign="top">
54			<b><?=$title?></b>
55			</td>
56			<td width="50%" align="left" valign="top">
57			<? if (preg_match("/^[0-9]+\.?[0-9]*$/", $value)) {
58			linkToHistory($graph);
59			} ?>
60			<?=uptime($value)?> (<?=$value?> seconds)</td>
61			</tr>
62			</table>
63			<?
64			}
65
66
67	tdb	1.42	function showStat($title, $value, $input, $graph="") {
68	pjm2	1.24
69			$report = $value;
70
71	pjm2	1.28	$value = getPregMatch($value, $input);
72	tdb	1.38	if (!isset($value)) {
73	pjm2	1.8	$value = "<i><font color=\"#999999\">not sent</font></i>";
74	pjm2	1.1	}
75			?>
76			<table border="0" width="100%">
77			<tr>
78	pjm2	1.24	<td width="50%" align="right" valign="top">
79			<b><?=$title?></b>
80			</td>
81			<td width="50%" align="left" valign="top">
82			<? if (preg_match("/^[0-9]+\.?[0-9]*$/", $value)) {
83	tdb	1.42	linkToHistory($graph);
84	pjm2	1.24	} ?>
85			<?=$value?></td>
86	pjm2	1.1	</tr>
87			</table>
88			<?
89			}
90
91
92	tdb	1.42	function linkToHistory($graph) {
93	pjm2	1.20	global $machine;
94	tdb	1.42	if(!empty($graph)) {
95			echo <<<EOT
96			<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>
97	pjm2	1.20	EOT;
98	tdb	1.42	}
99	pjm2	1.20	}
100
101
102	tdb	1.46	# convert bytes to MB
103			function b2Mb($bytes) {
104			$mb = $bytes / (1024*1024);
105			return (int) $mb;
106			}
107
108
109			# Convert seconds uptime to something readable
110			function uptime($until) {
111			$day = date('z', $until);
112			$hour = date('G', $until);
113			$hour = $hour - 1; # one too many
114			$minute = date('i', $until);
115			$return = "";
116			if ($day) {
117			$return = "$return$day Days ";
118			}
119			if ($hour) {
120			$return = "$return$hour Hours ";
121			}
122			return "$return$minute Mins";
123			}
124
125
126	pjm2	1.28	# show all disk information.
127			function showDisks($diskRoot, $units, $input) {
128			include("latest_config.inc.php");
129
130			$i = 0;
131			while(1) {
132			$name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
133	pjm2	1.31	$mount = getPregMatch("$diskRoot.p$i.attributes.mount", $input);
134			if ($name \|\| $mount) {
135			$used = "$diskRoot.p$i.attributes.used";
136	tdb	1.44	$total = "$diskRoot.p$i.attributes.total";
137	tdb	1.42	$graph = preg_replace("/_/", "$hex_underscore", $mount);
138			$graph = preg_replace("/\//", "$hex_slash", $graph);
139	tdb	1.43	$totalinodes = getPregMatch("$diskRoot.p$i.attributes.totalinodes", $input);
140			$freeinodes = getPregMatch("$diskRoot.p$i.attributes.freeinodes", $input);
141	tdb	1.44	showBar("$name ($mount)<br>space used", $used, $total, $units, $input, "disk-$graph");
142	tdb	1.46	showBar("inodes used", (float) $freeinodes, (float) $totalinodes, " inodes", $input, "", "swap");
143			showStat("FS Type", "$diskRoot.p$i.attributes.fstype", $input);
144	tdb	1.43	print " <br><br>\n";
145	pjm2	1.28	}
146	pjm2	1.30	else {
147			break;
148			}
149	pjm2	1.28	$i++;
150			}
151			}
152	tdb	1.44
153
154			# show all disk IO information.
155			function showDiskIO($diskRoot, $input) {
156			include("latest_config.inc.php");
157
158			$i = 0;
159			while(1) {
160			$name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
161			if ($name) {
162			print "<br><center><b>(Disk $name)</b></center>";
163			showStat("Read bytes (per sec)", "$diskRoot.p$i.attributes.rbytes", $input, "diskio-$name");
164			showStat("Write bytes (per sec)", "$diskRoot.p$i.attributes.wbytes", $input, "diskio-$name");
165			print " <br>\n";
166			}
167			else {
168			break;
169			}
170			$i++;
171			}
172			}
173
174
175			# show all network information.
176			function showNet($netRoot, $input) {
177			include("latest_config.inc.php");
178	tdb	1.47
179	tdb	1.44	$i = 0;
180			while(1) {
181			$name = getPregMatch("$netRoot.p$i.attributes.name", $input);
182			if ($name) {
183			print "<br><center><b>(Network Interface $name)</b></center>";
184			showStat("Received bytes (per sec)", "$netRoot.p$i.attributes.rx", $input, "net-$name");
185			showStat("Transfered bytes (per sec)", "$netRoot.p$i.attributes.tx", $input, "net-$name");
186			print " <br>\n";
187			}
188			else {
189			break;
190			}
191			$i++;
192			}
193			}
194
195	tdb	1.47
196	tdb	1.46	# show all mail queue information
197			function showMailQ($mailqRoot, $input) {
198			include("latest_config.inc.php");
199
200			$i = 0;
201			while(1) {
202			$name = getPregMatch("$mailqRoot.p$i.attributes.name", $input);
203			if ($name) {
204			print "<br><center><b>($name)</b></center>";
205			$name = preg_replace("/\s+/", "", $name);
206			showStat("Messages in queue", "$mailqRoot.p$i.attributes.size", $input, "mailq-$name");
207			print " <br>\n";
208			}
209			else {
210			break;
211			}
212			$i++;
213			}
214			}
215	pjm2	1.28
216	tdb	1.47
217	pjm2	1.28	# Return a preg_match result.
218			function getPregMatch($value, $input) {
219	pjm2	1.29	preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
220	tdb	1.48	if(!isset($matches[1])) {
221			return;
222			}
223	pjm2	1.28	return $matches[1];
224			}
225
226
227	pjm2	1.1	# show a bar-represented value.
228	tdb	1.42	function showBar($title, $value, $max, $units, $input, $graph="", $arrange='normal') {
229	pjm2	1.1
230			include("latest_config.inc.php");
231
232	pjm2	1.22	$report = $value;
233	tdb	1.43	if (!is_int($value)) {
234			$value = getPregMatch($value, $input);
235			}
236	pjm2	1.1	if (!is_int($max)) {
237	pjm2	1.28	$max = getPregMatch($max, $input);
238	pjm2	1.1	}
239	tdb	1.40	if (!isset($value) \|\| !isset($max)) {
240	pjm2	1.1	return;
241			}
242
243	pjm2	1.26	if ($arrange == 'swap') {
244	pjm2	1.27	$value = $max - $value;
245	tdb	1.46	}
246
247			if ($units == 'MB') {
248			$value = b2Mb ($value);
249			$max = b2Mb ($max);
250	pjm2	1.26	}
251	pjm2	1.27
252	tdb	1.40	if(empty($max)) {
253	pjm2	1.35	$width = 1;
254	tdb	1.40	}
255			else {
256			$width = intval($max_width * $value / $max);
257			if ($width < 1) {
258			$width = 1;
259			}
260	pjm2	1.35	}
261
262	pjm2	1.1	?>
263	pjm2	1.10	<table border="0" cellpadding="0" cellspacing="0" align="center">
264	pjm2	1.1	<tr>
265	tdb	1.42	<td colspan="2"><? linkToHistory($graph); ?> <b><?=$title?></b> <font size="2">(<?=$value?><?=$units?>)</font></td>
266	pjm2	1.1	</tr>
267			<tr>
268			<td colspan="2" bgcolor="#eeeeff"><img src="<?=$barImage?>" border="0" height="20" width="<?=$width?>"></td>
269			</tr>
270			<tr>
271			<td colspan="2"><img src="<?=$scaleImage?>" border="0" height="11" width="<?=$max_width?>"></td>
272			</tr>
273			<tr>
274	pjm2	1.13	<td align="left">0<?=$units?></td>
275			<td align="right"><?=$max?><?=$units?></td>
276	pjm2	1.15	</tr>
277	pjm2	1.1	</table>
278			<?
279			}
280
281
282			?>
283
284			<? include($titleHTML); ?>
285
286	pjm2	1.12	<? printLine("Display the latest information received from a host"); ?>
287	pjm2	1.1
288			<form method="<? echo $formMethod ?>" action="<? echo $thisPage ?>">
289			<?
290
291	pjm2	1.5	$file_array = getdirArray($latestDirectory,'asort');
292	pjm2	1.1	print "<select size=\"1\" name=\"machine\">";
293			if ($machine) { ?>
294			<option selected value="<? echo $machine ?>"><? echo $machine ?></option>
295			<option value="">----------------</option>
296			<? }
297			foreach($file_array as $file_name) {
298	pjm2	1.3	#if (is_dir($file_name)) {
299	pjm2	1.1	print "<option value=\"$file_name\">$file_name</option>";
300	pjm2	1.3	#}
301	pjm2	1.1	}
302			print "</select>";
303
304			?>
305			<input type="submit" name="submit" value="Display">
306			</form>
307
308			<? if ($machine) {
309
310	pjm2	1.12	$last_modified = filemtime("$latestDirectory/$machine/$latestData");
311			clearstatcache();
312			$data_age = time() - $last_modified;
313
314	pjm2	1.36	$last_modified = date("l jS F Y - g:ia", $last_modified);
315	pjm2	1.12
316			if ($data_age > $warning_age) {
317			$warning = <<<EOT
318			<br>
319			<font color="red"><b>
320			Warning:
321			</b></font>
322			This realtime report is too old to be considered recent
323			EOT;
324	tdb	1.47	}
325			else {
326			$warning = "";
327	pjm2	1.12	}
328
329			echo <<<EOT
330	pjm2	1.16	<table border="0" bgcolor="#000066" cellpadding="3" cellspacing="1">
331	pjm2	1.12	<tr>
332			<td bgcolor="#000066">
333
334			</td>
335			<td bgcolor="#ffffcc">
336			<font face="arial,sans-serif" size="2">
337	pjm2	1.24	<b>Receipt date:</b> $last_modified
338	pjm2	1.12	$warning
339			</font>
340			</td>
341			</tr>
342			</table>
343			EOT;
344
345	pjm2	1.1	# Read the file.
346	pjm2	1.25	if (file_exists("$latestDirectory/$machine/$latestData")) {
347			$input = file("$latestDirectory/$machine/$latestData");
348			# All we need is the first line if there is more than one line.
349			$input = $input[0];
350			}
351	pjm2	1.1
352	tdb	1.38	if (!isset($input)) {
353	pjm2	1.25	echo "<br><br>There are currently no latest details about <b>$machine</b>. Please notify your i-scream server administrator if you believe this to be incorrect.";
354	pjm2	1.1	}
355			else {
356			# Display the data specified in the display include.
357			include("latest_display.inc.php");
358			}
359	pjm2	1.9	}
360	pjm2	1.12
361	pjm2	1.1	?>
362
363	pjm2	1.16	<? printLine(""); ?>
364	pjm2	1.1
365			<? include($bottomHTML); ?>