1 #! /usr/bin/perl
3 BEGIN { $| = 1; print "1..7\n"; }
4 END {
5 print "not ok 1\n" unless $loaded;
6 unlink "demo.rrd";
7 }
9 sub ok
10 {
11 my($what, $result) = @_ ;
12 $ok_count++;
13 print "not " unless $result;
14 print "ok $ok_count $what\n";
15 }
17 use strict;
18 use vars qw(@ISA $loaded);
20 use RRDs;
21 $loaded = 1;
22 my $ok_count = 1;
24 ok("loading",1);
26 ######################### End of black magic.
28 my $STEP = 100;
29 my $RUNS = 500;
30 my $GRUNS = 4;
31 my $RRD1 = "demo1.rrd";
32 my $RRD2 = "demo2.rrd";
33 my $PNG1 = "demo1.png";
34 my $PNG2 = "demo2.png";
35 my $time = 30*int(time/30);
36 my $START = $time-$RUNS*$STEP;
38 my @options = ("-b", $START, "-s", $STEP,
39 "DS:a:GAUGE:2000:U:U",
40 "DS:b:GAUGE:200:U:U",
41 "DS:c:GAUGE:200:U:U",
42 "DS:d:GAUGE:200:U:U",
43 "DS:e:DERIVE:200:U:U",
44 "RRA:AVERAGE:0.5:1:5000",
45 "RRA:AVERAGE:0.5:10:500");
47 print "* Creating RRD $RRD1 starting at $time.\n\n";
48 RRDs::create $RRD1, @options;
50 my $ERROR = RRDs::error;
51 ok("create 1", !$ERROR); # 2
52 if ($ERROR) {
53 die "$0: unable to create `$RRD1': $ERROR\n";
54 }
56 print "* Creating RRD $RRD2 starting at $time.\n\n";
57 RRDs::create $RRD2, @options;
59 $ERROR= RRDs::error;
60 ok("create 2",!$ERROR); # 3
61 if ($ERROR) {
62 die "$0: unable to create `$RRD2': $ERROR\n";
63 }
65 my $last = RRDs::last $RRD1;
66 if ($ERROR = RRDs::error) {
67 die "$0: unable to get last `$RRD1': $ERROR\n";
68 }
69 ok("last 1", $last == $START); # 4
71 $last = RRDs::last $RRD2;
72 if ($ERROR = RRDs::error) {
73 die "$0: unable to get last `$RRD2': $ERROR\n";
74 }
75 ok("last 2", $last == $START); # 5
77 print "* Filling $RRD1 and $RRD2 with $RUNS*5 values. One moment please ...\n";
78 print "* If you are running over NFS this will take *MUCH* longer\n\n";
80 srand(int($time / 100));
82 @options = ();
84 my $counter = 1e7;
85 for (my $t=$START+1;
86 $t<$START+$STEP*$RUNS;
87 $t+=$STEP+int((rand()-0.5)*7)){
88 $counter += int(2500*sin($t/2000)*$STEP);
89 my $data = (1000+500*sin($t/1000)).":".
90 (1000+900*sin($t/2330)).":".
91 (2000*cos($t/1550)).":".
92 (3220*sin($t/3420)).":$counter";
93 push(@options, "$t:$data");
94 RRDs::update $RRD1, "$t:$data";
95 if ($ERROR = RRDs::error) {
96 warn "$0: unable to update `$RRD1': $ERROR\n";
97 }
98 }
100 ok("update 1",!$ERROR); # 3
102 RRDs::update $RRD2, @options;
104 ok("update 2",!$ERROR); # 3
106 if ($ERROR = RRDs::error) {
107 die "$0: unable to update `$RRD2': $ERROR\n";
108 }
110 print "* Creating $GRUNS graphs: $PNG1 & $PNG2\n\n";
111 my $now = $time;
112 for (my $i=0;$i<$GRUNS;$i++) {
113 my @rrd_pngs = ($RRD1, $PNG1, $RRD2, $PNG2);
114 while (@rrd_pngs) {
115 my $RRD = shift(@rrd_pngs);
116 my $PNG = shift(@rrd_pngs);
117 my ($graphret,$xs,$ys) = RRDs::graph $PNG, "--title", 'Test GRAPH',
118 "--vertical-label", 'Dummy Units', "--start", (-$RUNS*$STEP),
119 "DEF:alpha=$RRD:a:AVERAGE",
120 "DEF:beta=$RRD:b:AVERAGE",
121 "DEF:gamma=$RRD:c:AVERAGE",
122 "DEF:delta=$RRD:d:AVERAGE",
123 "DEF:epsilon=$RRD:e:AVERAGE",
124 "CDEF:calc=alpha,beta,+,2,/",
125 "AREA:alpha#0022e9:Short",
126 "STACK:beta#00b871:Demo Text",
127 "LINE1:gamma#ff0000:Line 1",
128 "LINE2:delta#888800:Line 2",
129 "LINE3:calc#00ff44:Line 3",
130 "LINE3:epsilon#000000:Line 4",
131 "HRULE:1500#ff8800:Horizontal Line at 1500",
132 "PRINT:alpha:AVERAGE:Average Alpha %1.2lf",
133 "PRINT:alpha:MIN:Min Alpha %1.2lf %s",
134 "PRINT:alpha:MIN:Min Alpha %1.2lf",
135 "PRINT:alpha:MAX:Max Alpha %1.2lf",
136 "GPRINT:calc:AVERAGE:Average calc %1.2lf %s",
137 "GPRINT:calc:AVERAGE:Average calc %1.2lf",
138 "GPRINT:calc:MAX:Max calc %1.2lf",
139 "GPRINT:calc:MIN:Min calc %1.2lf",
140 "VRULE:".($now-3600)."#008877:60 Minutes ago",
141 "VRULE:".($now-7200)."#008877:120 Minutes ago";
143 if ($ERROR = RRDs::error) {
144 print "ERROR: $ERROR\n";
145 } else {
146 print "Image Size: ${xs}x${ys}\n";
147 print "Graph Return:\n",(join "\n", @$graphret),"\n\n";
148 }
149 }
150 }
154 my ($start,$step,$names,$array) = RRDs::fetch $RRD1, "AVERAGE";
155 $ERROR = RRDs::error;
156 print "ERROR: $ERROR\n" if $ERROR ;
157 print "start=$start, step=$step\n";
158 print " ";
159 map {printf("%12s",$_)} @$names ;
160 foreach my $line (@$array){
161 print "".localtime($start)," ";
162 $start += $step;
163 foreach my $val (@$line) {
164 if (not defined $val){
165 printf "%12s", "UNKNOWN";
166 } else {
167 printf "%12.1f", $val;
168 }
169 }
170 print "\n";
171 }