php/latest/latest.php

<?php

#
# i-scream central monitoring system
# 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) {

    $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]*$/", $value)) {
                    linkToHistory($report);
                } ?> 
              <?=$value?></td>
          </tr>
        </table>
    <?
}


function linkToHistory($report) {
    global $machine;
    $yesterday = date("Y-m-d", time() - 86400);
    echo <<<EOT
        <a href="browser.php?machine_name=$machine&report=$report&day=$yesterday&submit=Show"><img src="minichart.gif" alt="View yesterday's 24-hour chart" 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$i.attributes.kbytes";
            showBar("$name<br>($mount)", $used, $kbytes, $units, $input);
        }
        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, $arrange='normal') {

    include("latest_config.inc.php");

    $report = $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;
    }

    $width = intval($max_width * $value / $max);

    if ($width < 1) {
        $width = 1;
    }

    ?>
        <table border="0" cellpadding="0" cellspacing="0" align="center">
          <tr>
            <td colspan="2"><? linkToHistory($report); ?> <b><?=$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>
          <tr>
            <td colspan="2">&nbsp;</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($bottomHTML); ?>
Revision:	1.38
Committed:	Sun May 19 15:42:26 2002 UTC (22 years, 5 months ago) by tdb
Branch:	MAIN
Changes since 1.37:	+3 -3 lines
Log Message:	empty($var) tests if $var is unset AND if $var is 0. We don't want the latter so we now use !isset($var) instead. This only tests if it is unset.
#	User	Rev	Content
1	pjm2	1.1	<?php
2
3	tdb	1.37	#
4			# i-scream central monitoring system
5			# Copyright (C) 2000-2002 i-scream
6			#
7			# This program is free software; you can redistribute it and/or
8			# modify it under the terms of the GNU General Public License
9			# as published by the Free Software Foundation; either version 2
10			# of the License, or (at your option) any later version.
11			#
12			# This program is distributed in the hope that it will be useful,
13			# but WITHOUT ANY WARRANTY; without even the implied warranty of
14			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			# GNU General Public License for more details.
16			#
17			# You should have received a copy of the GNU General Public License
18			# along with this program; if not, write to the Free Software
19			# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20			#
21
22	pjm2	1.1	# Navigation for the i-scream reports.
23			# pjm2@ukc.ac.uk
24			#
25			# CONFIGURABLE CONSTANTS: -
26
27			include("latest_config.inc.php");
28
29			#
30			# END CONFIGURATION
31
32	pjm2	1.18	include("iutils.inc.php");
33	pjm2	1.1
34	pjm2	1.9	function printLine($title) {
35	pjm2	1.19	echo "<hr style=\"color:#9999ff;\">";
36	pjm2	1.9	echo "<b>$title</b>";
37	pjm2	1.6	}
38
39	pjm2	1.1
40			function showStat($title, $value, $input) {
41	pjm2	1.24
42			$report = $value;
43
44	pjm2	1.28	$value = getPregMatch($value, $input);
45	tdb	1.38	if (!isset($value)) {
46	pjm2	1.8	$value = "<i><font color=\"#999999\">not sent</font></i>";
47	pjm2	1.1	}
48			?>
49			<table border="0" width="100%">
50			<tr>
51	pjm2	1.24	<td width="50%" align="right" valign="top">
52			<b><?=$title?></b>
53			</td>
54			<td width="50%" align="left" valign="top">
55			<? if (preg_match("/^[0-9]+\.?[0-9]*$/", $value)) {
56			linkToHistory($report);
57			} ?>
58			<?=$value?></td>
59	pjm2	1.1	</tr>
60			</table>
61			<?
62			}
63
64
65	pjm2	1.20	function linkToHistory($report) {
66			global $machine;
67			$yesterday = date("Y-m-d", time() - 86400);
68			echo <<<EOT
69	pjm2	1.23	<a href="browser.php?machine_name=$machine&report=$report&day=$yesterday&submit=Show"><img src="minichart.gif" alt="View yesterday's 24-hour chart" width="20" height="20" border="0"></a>
70	pjm2	1.20	EOT;
71			}
72
73
74	pjm2	1.28	# show all disk information.
75			function showDisks($diskRoot, $units, $input) {
76			include("latest_config.inc.php");
77
78			$i = 0;
79			while(1) {
80			$name = getPregMatch("$diskRoot.p$i.attributes.name", $input);
81	pjm2	1.31	$mount = getPregMatch("$diskRoot.p$i.attributes.mount", $input);
82			if ($name \|\| $mount) {
83			$used = "$diskRoot.p$i.attributes.used";
84			$kbytes = "$diskRoot.p$i.attributes.kbytes";
85	pjm2	1.34	showBar("$name<br>($mount)", $used, $kbytes, $units, $input);
86	pjm2	1.28	}
87	pjm2	1.30	else {
88			break;
89			}
90	pjm2	1.28	$i++;
91			}
92			}
93
94			# Return a preg_match result.
95			function getPregMatch($value, $input) {
96	pjm2	1.29	preg_match("/$value=([^\,\}]*)[\,\}]/", $input, $matches);
97	pjm2	1.28	return $matches[1];
98			}
99
100
101	pjm2	1.1	# show a bar-represented value.
102	pjm2	1.26	function showBar($title, $value, $max, $units, $input, $arrange='normal') {
103	pjm2	1.1
104			include("latest_config.inc.php");
105
106	pjm2	1.22	$report = $value;
107
108	pjm2	1.28	$value = getPregMatch($value, $input);
109	pjm2	1.1	if (!is_int($max)) {
110	pjm2	1.28	$max = getPregMatch($max, $input);
111	pjm2	1.1	}
112	tdb	1.38	if (!isset($value) \|\| !isset($max)) {
113	pjm2	1.1	return;
114			}
115
116	pjm2	1.26	if ($arrange == 'swap') {
117	pjm2	1.27	$value = $max - $value;
118	pjm2	1.26	}
119	pjm2	1.27
120			$width = intval($max_width * $value / $max);
121	pjm2	1.1
122	pjm2	1.35	if ($width < 1) {
123			$width = 1;
124			}
125
126	pjm2	1.1	?>
127	pjm2	1.10	<table border="0" cellpadding="0" cellspacing="0" align="center">
128	pjm2	1.1	<tr>
129	pjm2	1.23	<td colspan="2"><? linkToHistory($report); ?> <b><?=$title?></b> <font size="2">(<?=$value?><?=$units?>)</font></td>
130	pjm2	1.1	</tr>
131			<tr>
132			<td colspan="2" bgcolor="#eeeeff"><img src="<?=$barImage?>" border="0" height="20" width="<?=$width?>"></td>
133			</tr>
134			<tr>
135			<td colspan="2"><img src="<?=$scaleImage?>" border="0" height="11" width="<?=$max_width?>"></td>
136			</tr>
137			<tr>
138	pjm2	1.13	<td align="left">0<?=$units?></td>
139			<td align="right"><?=$max?><?=$units?></td>
140	pjm2	1.1	</tr>
141	pjm2	1.15	<tr>
142			<td colspan="2"> </td>
143			</tr>
144	pjm2	1.1	</table>
145			<?
146			}
147
148
149			?>
150
151			<? include($titleHTML); ?>
152
153	pjm2	1.12	<? printLine("Display the latest information received from a host"); ?>
154	pjm2	1.1
155			<form method="<? echo $formMethod ?>" action="<? echo $thisPage ?>">
156			<?
157
158	pjm2	1.5	$file_array = getdirArray($latestDirectory,'asort');
159	pjm2	1.1	print "<select size=\"1\" name=\"machine\">";
160			if ($machine) { ?>
161			<option selected value="<? echo $machine ?>"><? echo $machine ?></option>
162			<option value="">----------------</option>
163			<? }
164			foreach($file_array as $file_name) {
165	pjm2	1.3	#if (is_dir($file_name)) {
166	pjm2	1.1	print "<option value=\"$file_name\">$file_name</option>";
167	pjm2	1.3	#}
168	pjm2	1.1	}
169			print "</select>";
170
171			?>
172			<input type="submit" name="submit" value="Display">
173			</form>
174
175			<? if ($machine) {
176
177	pjm2	1.12	$last_modified = filemtime("$latestDirectory/$machine/$latestData");
178			clearstatcache();
179			$data_age = time() - $last_modified;
180
181	pjm2	1.36	$last_modified = date("l jS F Y - g:ia", $last_modified);
182	pjm2	1.12
183			if ($data_age > $warning_age) {
184			$warning = <<<EOT
185			<br>
186			<font color="red"><b>
187			Warning:
188			</b></font>
189			This realtime report is too old to be considered recent
190			EOT;
191			}
192
193			echo <<<EOT
194	pjm2	1.16	<table border="0" bgcolor="#000066" cellpadding="3" cellspacing="1">
195	pjm2	1.12	<tr>
196			<td bgcolor="#000066">
197
198			</td>
199			<td bgcolor="#ffffcc">
200			<font face="arial,sans-serif" size="2">
201	pjm2	1.24	<b>Receipt date:</b> $last_modified
202	pjm2	1.12	$warning
203			</font>
204			</td>
205			</tr>
206			</table>
207			EOT;
208
209	pjm2	1.1	# Read the file.
210	pjm2	1.25	if (file_exists("$latestDirectory/$machine/$latestData")) {
211			$input = file("$latestDirectory/$machine/$latestData");
212			# All we need is the first line if there is more than one line.
213			$input = $input[0];
214			}
215	pjm2	1.1
216	tdb	1.38	if (!isset($input)) {
217	pjm2	1.25	echo "<br><br>There are currently no latest details about <b>$machine</b>. Please notify your i-scream server administrator if you believe this to be incorrect.";
218	pjm2	1.1	}
219			else {
220			# Display the data specified in the display include.
221			include("latest_display.inc.php");
222			}
223	pjm2	1.9	}
224	pjm2	1.12
225	pjm2	1.1	?>
226
227	pjm2	1.16	<? printLine(""); ?>
228	pjm2	1.1
229			<? include($bottomHTML); ?>