/[omni_gantt]/db2gantt.cgi
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /db2gantt.cgi

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Revision 1.14 - (show annotations)
Fri Sep 13 23:59:38 2002 UTC (17 years, 2 months ago) by dpavlin
Branch: MAIN
Changes since 1.13: +7 -2 lines
basic instructions

1 #!/usr/bin/perl -w
2
3 use strict;
4 use DBI;
5 use Data::Dumper;
6 use Date::Parse;
7 use CGI qw/:standard/;
8 use CGI::Carp qw(fatalsToBrowser);
9 use POSIX qw(strftime);
10
11 my $debug = 0;
12
13 my $width = 600; # width of bar
14 my $height = 19; # height of bar
15 my $use_js = 1; # use JavaScript pop-up
16
17 # status colors
18 my %cols = (
19 'In Progress' => '0,255,0',
20 'In Progress/Failure' => '255,64,255',
21 'In Progress/Errors' => '255,64,0',
22 'Queuing' => '255,255,0',
23 'Aborted' => '255,0,0',
24 'Failed' => '255,0,0',
25 'Completed' => '64,255,64',
26 'Completed/Errors' => '255,128,0',
27 'Completed/Failure' => '128,0,128',
28 'Mount Request' => '128,128,255',
29 'Mount/Errors' => '255,64,128',
30 );
31
32 my $int_t = (12 * 60 * 60); # interval to display on one screen
33 my $min_l = 3; # min length of bar segment (in pixels)
34
35 #--- no user servicable parts below this line
36
37 # time range
38
39 $int_t = m_round($int_t);
40
41 my ($from_t,$to_t) = (time()-$int_t,time());
42
43 $to_t = param('to_t') if (param('to_t'));
44 $from_t = param('from_t') if (param('from_t'));
45
46 # round to nearest minute
47 sub m_round {
48 my $t = shift @_;
49 return ($t - ($t % 60));
50 }
51
52 $to_t = m_round($to_t);
53 $from_t = m_round($from_t);
54
55 my $to=strftime("%Y-%m-%d %H:%M",localtime ($to_t));
56 my $from=strftime("%Y-%m-%d %H:%M",localtime ($from_t));
57
58
59 # keep count of each status
60 my %count;
61
62 if (param('pic')) {
63 print "Content-type: image/png\nCache-Control: max-age=3600, must-revalidate\n\n";
64 # create picture using GD
65 use GD;
66 my $im = new GD::Image(1,$height);
67 my $back = $im->colorAllocate(255,255,255);
68 $im->transparent($back);
69 my ($r,$g,$b) = split(/,/,param('pic'));
70 my $col = $im->colorAllocate($r,$g,$b);
71 $im->fill(0,0,$col);
72 binmode STDOUT;
73 print $im->png;
74 exit;
75 }
76
77 print "Content-type: text/html
78 Cache-Control: max-age=60, must-revalidate
79
80 <html>
81 <head>
82 <title>OmniBack Gantt: $from - $to</title>
83 <meta HTTP-EQUIV=\"Refresh\" CONTENT=60>";
84 if ($use_js) {
85 print '
86 <script type="text/javascript" language="javascript" src="1k.js"></script>
87 <script type="text/javascript" language="javascript" src="tooltip.js"></script>
88 <script language="javascript" type="text/javascript">
89 onload=function(){
90 T.init()
91 T.follows = false // false by default
92 T.delay = .3 // any nonnegative value (0.7 by default)
93 }
94 </script>
95 ';
96 }
97 print "</head><body>";
98
99 # all vars ending in *_t have utime in them.
100 #
101 my $len_t = $to_t - $from_t;
102
103 die "interval must be positive and bigger than 1 sec !" if ($len_t < 1);
104
105 my $dbh = DBI->connect("DBI:Pg:dbname=gantt","","") || die $DBI::errstr;
106 my $q=new CGI;
107
108
109 sub mknav {
110 my $f = shift @_; # from_t
111 my $t = shift @_; # to_t
112 my $ch = shift @_; # char
113
114 return "<a href=\"".$q->url(-relative=>1)."?from_t=${f}&to_t=${t}\">$ch</a>";
115 }
116
117 print "<table cellspacing=0 cellpadding=0>";
118 print "<tr bgcolor=#e0e0e0><td>Specification</td><td align=left>";
119 print mknav(($from_t-$int_t),$to_t,'<small>&lt;&lt;</small>'),$from;
120 print mknav(($from_t+$int_t),$to_t,'<small>&gt;&gt;</small>') if ($from_t+$int_t < $to_t);
121 print "</td><td align=right>";
122 print mknav($from_t,($to_t-$int_t),'<small>&lt;&lt;</small>') if ($to_t-$int_t > $from_t);
123 print $to,mknav($from_t,($to_t+$int_t),'<small>&gt;&gt;</small>'),"</td></tr>\n";
124
125 # draw hour grid
126 sub hour_grid {
127 print "<tr><td align=right><small>hour grid</small></td><td colspan=2>";
128 my @c = ("255,255,128","255,192,128");
129 my $hr=strftime("%H",localtime ($from_t));
130 my $min_l=1;
131 print color_bar(3600 - $from_t % 3600,$c[0],sprintf("%02d",$hr++ % 24));
132 for (my $i=1; $i<int(($to_t-$from_t)/3600); $i++) {
133 print color_bar(3600,$c[1],sprintf("%02d",$hr++ % 24));
134 push @c, shift @c;
135 }
136 print color_bar($from_t % 3600,$c[1],sprintf("%02d",$hr % 24));
137 print "</td></tr>\n";
138 }
139
140 hour_grid();
141
142 my $fix_d = 0; # used to fix graph len (in pixels)
143 my $fix_s = 0; # used to collect round errors of size
144
145 sub bar {
146 my $l = shift @_;
147 my $status = shift @_;
148 my $alt = shift @_;
149
150 my $col;
151
152 if ($status) {
153 if ($cols{$status}) {
154 $col .= $cols{$status};
155 } else {
156 $col .= "0,0,0"; # unknown status, black
157 }
158 $count{$status}++;
159 } else {
160 # $col .= '240,240,240';
161 $col .= '220,220,220';
162 }
163 return color_bar($l,$col,$alt,$min_l);
164 }
165
166 sub color_bar {
167 my $l = shift @_; # lenght of event utime
168 my $col = shift @_ || '240,240,240'; # default color (filler)
169 my $alt = shift @_ || undef;
170 my $min_l = shift @_ || 1;
171
172 my $size = $l / ($len_t / $width);
173 $fix_s += $size - int($size);
174 $size=int($size);
175 # add rounding error to size
176 if ($fix_s > 1) {
177 my $i = $fix_s ; $i = int($i);
178 $fix_s -= $i;
179 $size += $i;
180 }
181
182 if ($alt && $size < $min_l) {
183 $fix_d += ($min_l - $size);
184 print STDERR "fix_d: $fix_d\n" if ($debug);
185 $size = $min_l;
186 }
187 if ($fix_d && $size > $fix_d+$min_l) {
188 $size -= $fix_d;
189 $fix_d = 0;
190 print STDERR "fix_d: $fix_d\n" if ($debug);
191 }
192
193 print STDERR "bar[$col] len:$l s scale:",($len_t/$width)," size:$size px<br> alt:$alt\n" if ($debug);
194
195 my $html = "<img src=\"".$q->url(-relative=>1)."?pic=$col\" width=\"$size\" height=\"$height\"";
196
197 if ($use_js && $alt) {
198 $html .= " onmouseover=\"T('$alt')\" onmouseout=\"T()\"";
199 } elsif ($alt) {
200 $html .= " alt=\"$alt\"";
201 }
202 $html .= ">";
203
204 return($html);
205 }
206
207 my $sql = "select start,finish,specification,status,user_group_host,
208 type,sessionid,device,host
209 from gantt
210 where (start < '$from' and finish > '$from') or
211 (start > '$from' and start < '$to')
212 order by device,specification
213 ";
214
215 my $sth = $dbh->prepare($sql) || die "sql: $sql ".$dbh->errstr;
216
217 my %spec; # specification hash
218
219 my $curr_spec;
220 my $curr_t = $from_t;
221
222 $sth->execute() || die "sql: $sql ".$dbh->errstr;
223
224 while(my $row = $sth->fetchrow_hashref) {
225 if (!defined $curr_spec || $row->{specification} ne $curr_spec) {
226
227 if ($curr_t < $to_t && $curr_spec) {
228 my $t = $to_t - $curr_t;
229 print STDERR "[end filler $curr_t:$t]" if ($debug);
230 print bar($t);
231 }
232
233 print "</td></tr>\n" if ($curr_t != $from_t);
234 ($fix_s,$fix_d) = (0,0); # init fix vars for bar
235 print "<tr><td>", $row->{specification},"</td><td colspan=2>";
236
237 $curr_t = $from_t; # init timeline
238 $curr_spec = $row->{specification};
239
240 }
241
242 my $start_t = str2time($row->{start});
243 my $fin_t = str2time($row->{finish});
244
245 # Can I squeeze here 1 pixel of time (many seconds) ?
246 if ($start_t > $curr_t + ($len_t / $width)) {
247 my $t = $start_t - $curr_t;
248 print STDERR "[middle filler $curr_t:$t]" if ($debug);
249 print bar($t);
250 $curr_t = $start_t;
251 } else {
252 # prepend too few seconds to next event
253 $start_t = $curr_t;
254 }
255
256 my $len = $fin_t - $start_t;
257 # $len = $len_t if ($len > $len_t);
258 my $less = '';
259 my $more = '';
260
261 if ($start_t < $from_t) {
262 # $len += ($from_t - $start_t);
263 $len = ($fin_t - $curr_t);
264 $less = "<<";
265 }
266
267 if ($fin_t > $to_t) {
268 # $len -= ($fin_t - $to_t);
269 $len = ($to_t - $curr_t);
270 $more = ">>"; # event now shown whole
271 }
272
273 print STDERR "[$less",$row->{status}," $curr_t:$len$more]" if ($debug);
274
275 my $alt = $row->{start}." - ".$row->{finish}."<br>";
276 $alt =~ s/:\d\d\.\d+//g;
277 $alt =~ s/\s+/&nbsp;/g;
278 $alt .= $row->{type}." <b>".$row->{status}."</b><br>".
279 $row->{user_group_host}." <i>".$row->{sessionid}."</i><br>".
280 $row->{device}."&nbsp;on&nbsp;".$row->{host};
281 print bar($len,$row->{status},$alt);
282
283 $curr_t += $len;
284
285 # print Dumper($row);
286
287 }
288
289 if ($curr_t == $from_t) { # no entries in database!
290 print "<tr><td></td><td colspan=2>";
291 }
292
293 if ($curr_t < $to_t ) {
294 my $t = $to_t - $curr_t;
295 print STDERR "[last_line filler $curr_t:$t]" if ($debug);
296 print bar($t);
297 }
298
299 undef $sth;
300 $dbh->disconnect;
301
302 print "</td></tr>\n";
303 hour_grid();
304 print "</table>";
305
306
307 # label and usage
308 $len_t = 50; # disable bar scaling
309
310 print "<hr>\nColors for statuses and usage (#):\n";
311 print "<table border=0><tr bgcolor=#e0e0e0><th>status</th><th>#</th><th>color</th></tr>\n";
312 foreach my $status (keys %count) {
313 #foreach my $status (keys %cols) {
314 print "<tr bgcolor=#e0e0e0><td><small>$status</small></td><td><small>",$count{$status}*1,"</small></td><td>",bar($count{$status},$status),"</td></tr>\n" if ($status ne "");
315 # *1 in line above is a cludge to display correct number on
316 # occurences on graph and without one on legend! If you remove * op
317 # it will first evaluate bar sub (thus increasing number by one) and
318 # then display number (wrongly).
319 }
320 print "</table>\n<p>Reload <a href=\"",$q->url(-relative=>1),"\">current</a> or see <a href=\"db2gantt_help.html\">help</a>.</p></body></html>";
321

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