1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
<?
#
#
# test_fetch.php
#
# rrd_fetch with PHP binding
#
# by Alex Lam ( ccalam@cityu.edu.hk )
#
# This sample code are provided as is for reference only
# It provide the calling sequence for using rrd_fetch under PHP binding
dl("rrdtool.so");
echo "<PRE>\n";
#$opts = array ( "AVERAGE", "--start", "971246700", "--end", "971249100");
$opts = array ( "AVERAGE", "--start", "-365d");
$ret = rrd_fetch("etc3p16.rrd", $opts, count($opts));
if ( is_array($ret) )
{
echo "Start Time (epoch): $ret[start] \n";
echo "Start Time: " . date("d/m/Y H:i:s",$ret[start]) . "<P>";
echo "End Time (epoch): $ret[end] \n";
echo "End Time: " . date("d/m/Y H:i:s",$ret[end]) . "<P>";
echo "Step Interval (epoch): $ret[step] <P>";
$column_no = count($ret[ds_namv]);
$row_no = count($ret[data]);
echo "Columns $column_no ";
echo "Rows $row_no <P>";
echo "[data] ARRAY SIZE: " . count($ret[data]);
print "<br> ";
print "<table BORDER COLS=9 WIDTH=\"100%\">";
print "<tr>";
echo "<td>Time Stamp</td>";
for ($i = 0; $i < count($ret[ds_namv]); $i++)
{
$name[$i] = $ret[ds_namv][$i];
echo "<td>$name[$i]</td>";
}
echo "</tr>";
echo "</table>\n";
$cur_item = 0;
$cur_time = $ret[start];
$interval = $ret[step];
for ($i = 0; $i < $column_no; $i++)
{
print "<tr><td>$cur_time</td>";
for ($ii = 0 ; $ii < $column_no; $ii++)
{
$cur_data = $ret[data][$cur_item];
printf("<td>%3.3f</td>\n", $cur_data);
$cur_item++;
$cur_time+=$interval;
}
echo "</tr>";
}
}
else
{
$err = rrd_error();
echo "fetch() ERROR: $err\n";
}
echo "</PRE>\n";
?>
|
