1: #!/usr/bin/perl
2: $|=1;
3: # The LearningOnline Network with CAPA
4: # Cluster Status
5: #
6: # $Id: clusterstatus.pl,v 1.20 2003/08/29 17:42:32 www Exp $
7:
8: use lib '/home/httpd/lib/perl/';
9: use LONCAPA::Configuration;
10: use strict;
11:
12: use LWP::UserAgent();
13: use HTTP::Headers;
14: use IO::File;
15:
16: my %host=();
17: my $oneday=60*60*24;
18:
19: my %connectionstatus=();
20: my %perlvar=();
21:
22: my $mode;
23: my $concount=0;
24: my $fromcache;
25:
26: my %domaindescription = ();
27: my %domain_auth_def = ();
28: my %domain_auth_arg_def = ();
29: my %domain_lang_def=();
30: my %domain_city=();
31: my %domain_longi=();
32: my %domain_lati=();
33:
34: my %hostname=();
35: my %hostip=();
36: my %hostdom=();
37: my %hostrole=();
38: my %libserv=();
39:
40: my $maxusers=0;
41: my $maxload=0;
42: my $totalusers=0;
43:
44: my %FORM=();
45:
46: my $stat_total=0;
47: my $stat_notyet=0;
48: my $stat_fromcache=0;
49:
50: sub select_form {
51: my ($def,$name,%hash) = @_;
52: my $selectform = "<select name=\"$name\" size=\"1\">\n";
53: foreach (sort keys %hash) {
54: $selectform.="<option value=\"$_\" ".
55: ($_ eq $def ? 'selected' : '').
56: ">".$hash{$_}."</option>\n";
57: }
58: $selectform.="</select>";
59: return $selectform;
60: }
61:
62:
63: sub key {
64: my ($local,$url)=@_;
65: my $key=$local.'_'.$url;
66: $key=~s/\W/\_/gs;
67: return $key;
68: }
69:
70: sub hidden {
71: my ($name,$value)=@_;
72: print "\n<input type='hidden' name='$name' value='$value' />";
73: }
74:
75: sub request {
76: my ($local,$url,$cachetime)=@_;
77: $cachetime*=(0.5+rand);
78: my $key=&key($local,$url);
79: my $reply='';
80: $stat_total++;
81: # if fromcache flag is set, only return cached values
82: if ($fromcache) {
83: if ($FORM{$key.'_time'}) {
84: return $FORM{$key};
85: $stat_fromcache++;
86: } else {
87: return 'not_yet';
88: $stat_notyet++;
89: }
90: }
91: # normal mode, refresh when expired or not yet present
92: if ($FORM{$key.'_time'}) {
93: if ((time-$FORM{$key.'_time'})<$cachetime) {
94: $reply=$FORM{$key};
95: &hidden($key.'_time',$FORM{$key.'_time'});
96: $stat_fromcache++;
97: }
98: }
99: unless ($reply) {
100: unless ($hostname{$local}) {
101: $reply='local_unknown';
102: } else {
103:
104: my $ua=new LWP::UserAgent(timeout => 10);
105:
106: my $request=new HTTP::Request('GET',
107: "http://".$hostname{$local}.$url);
108: $request->authorization_basic('lonadm','litelite');
109:
110: my $response=$ua->request($request);
111:
112: unless ($response->is_success) {
113: $reply='local_error';
114: } else {
115: $reply=$response->content;
116: chomp($reply);
117: }
118: }
119: &hidden($key.'_time',time);
120: }
121: &hidden($key,$reply);
122: return $reply;
123: }
124:
125: # ============================================= Are local and remote connected?
126: sub connected {
127: my ($local,$remote)=@_;
128: $local=~s/\W//g;
129: $remote=~s/\W//g;
130:
131: unless ($hostname{$remote}) { return 'remote_unknown'; }
132: my $url='/cgi-bin/ping.pl?'.$remote;
133: #
134: # Slowly phase this in: if not cached, only do 5 percent of the cases,
135: # but always do the first five.
136: #
137: unless ($FORM{&key($local,$url)}) {
138: unless (($concount<=5) || (rand>0.95)) {
139: $stat_total++;
140: $stat_notyet++;
141: return 'not_yet';
142: } else {
143: $concount++;
144: }
145: }
146: #
147: # Actually do the query
148: #
149: &statuslist($local,'connecting '.$remote);
150: my $reply=&request($local,$url,3600);
151: $reply=(split("\n",$reply))[0];
152: $reply=~s/\W//g;
153: if ($reply ne $remote) { return $reply; }
154: return 'ok';
155: }
156: # ============================================================ Get a reply hash
157:
158: sub replyhash {
159: my %returnhash=();
160: foreach (split(/\&/,&request(@_))) {
161: my ($name,$value)=split(/\=/,$_);
162: if ($name) {
163: unless ($value) { $value=''; }
164: $returnhash{$name}=$value;
165: }
166: }
167: return %returnhash;
168: }
169:
170: # ================================================================ Link to host
171:
172: sub otherwindow {
173: my ($local,$url,$label)=@_;
174: return
175: " <a href='http://$hostname{$local}$url' target='newwin$local'>$label</a> ";
176: }
177:
178: sub login {
179: my $local=shift;
180: print &otherwindow($local,'/adm/login?domain='.$perlvar{'lonDefDomain'},
181: 'Login');
182: }
183:
184: sub runloncron {
185: my $local=shift;
186: print &otherwindow($local,'/cgi-bin/loncron.pl','Run loncron');
187: }
188:
189: sub loncron {
190: my $local=shift;
191: print &otherwindow($local,'/lon-status','loncron');
192: }
193:
194: sub lonc {
195: my $local=shift;
196: print &otherwindow($local,'/lon-status/loncstatus.txt','lonc');
197: }
198:
199: sub lond {
200: my $local=shift;
201: print &otherwindow($local,'/lon-status/londstatus.txt','lond');
202: }
203:
204: sub users {
205: my $local=shift;
206: print &otherwindow($local,'/cgi-bin/userstatus.pl','Users');
207: }
208:
209: sub versions {
210: my $local=shift;
211: print &otherwindow($local,'/cgi-bin/lonversions.pl','Versions');
212: }
213:
214: sub server {
215: my $local=shift;
216: print &otherwindow($local,'/server-status','Server Status');
217: }
218:
219: sub announcement {
220: my $local=shift;
221: print &otherwindow($local,'/announcement.txt','Announcement');
222: }
223:
224: # ========================================================= Produce a green bar
225: sub bar {
226: my $parm=shift;
227: my $number=int($parm+0.5);
228: print "<table><tr><td bgcolor='#225522'><font color='#225522'>";
229: for (my $i=0;$i<$number;$i++) {
230: print "+";
231: }
232: print "</font></table>";
233: }
234:
235: # ========================================================== Show server status
236:
237: sub serverstatus {
238: my ($local,$trouble)=@_;
239: print (<<ENDHEADER);
240: <a name="$local" />
241: <table width="100%" bgcolor="#225522" cellspacing="2" cellpadding="2" border="0">
242: <tr><td bgcolor="#BBDDBB"><font color="#225522" face="arial"><b>
243: $local $hostdom{$local}</b> <tt>($hostname{$local}; $hostrole{$local})</tt>
244: <br />$domaindescription{$hostdom{$local}}
245: $domain_city{$hostdom{$local}}
246: </font></th></tr><tr><td bgcolor="#DDDDBB"><font color="#225522">
247: ENDHEADER
248: &login($local);&server($local);&users($local);&versions($local);
249: &announcement($local);
250: &loncron($local);&lond($local);&lonc($local);&runloncron($local);
251: print "</font></td></tr>";
252: if ($trouble) {
253: print ("<tr><td bgcolor='#DDBBBB'><font color='#552222' size='+2'>$trouble</font></td></tr>");
254: }
255: print "<tr><td bgcolor='#BBBBBB'>";
256: # version
257: if ($host{$local.'_version'}) {
258: print "<br />Version: ".$host{$local.'_version'}
259: }
260: # load
261: if (($host{$local.'_load_doomed'}>0.5) || ($mode eq 'load_doomed')) {
262: print "<br />Load: ".$host{$local.'_load'}
263: }
264: # users
265: if (($host{$local.'_users_doomed'}>10) || ($mode eq 'users_doomed')) {
266: print "<br />Active Users: ".$host{$local.'_users'}
267: }
268:
269: # checkrpms
270: if ($host{$local.'_checkrpms'}) {
271: print "<br />RPMs: ".$host{$local.'_checkrpms'}
272: }
273: # mysql
274: if ($host{$local.'_mysql'}) {
275: print "<br />MySQL Database: ".$host{$local.'_mysql'}
276: }
277: # connections
278: if ($host{$local.'_notconnected'}) {
279: print "<br />Not connected: ";
280: foreach (split(/ /,$host{$local.'_notconnected'})) {
281: if ($_) {
282: print " <a href='#$_'>$_</a>";
283: }
284: }
285: }
286: # errors
287: if ($host{$local.'_errors'}) {
288: print "<br />loncron errors: ".$host{$local.'_errors'};
289: }
290: print "</td></tr></table><br />";
291: }
292:
293: # =========================================================== Doomedness sorted
294:
295: sub doomedness {
296: my $crit=shift;
297: my %alldoomed=();
298: my @allhosts=();
299: foreach (keys %host) {
300: if ($_=~/^(\w+)\_$crit$/) {
301: if ($host{$_}) {
302: push (@allhosts,$1);
303: $alldoomed{$1}=$host{$_};
304: }
305: }
306: }
307: return sort { $alldoomed{$b} <=> $alldoomed{$a} } @allhosts;
308: }
309:
310: sub resetvars {
311: $maxusers=0;
312: $maxload=0;
313: $totalusers=0;
314: $stat_total=0;
315: $stat_notyet=0;
316: $stat_fromcache=0;
317: $concount=0;
318: undef %host;
319: %host=();
320: }
321:
322: sub mainloop {
323: &resetvars();
324: # ==================================================== Main Loop over all Hosts
325:
326: foreach my $local (sort keys %hostname) {
327: $host{$local.'_unresponsive_doomed'}=0;
328: # -- Check general status
329: &statuslist($local,'General');
330: my %loncron=&replyhash($local,'/lon-status/loncron_simple.txt',1200);
331: if (defined($loncron{'local_error'})) {
332: $host{$local.'_loncron'}='Could not determine.';
333: $host{$local.'_unresponsive_doomed'}++;
334: } else {
335: if ((time-$loncron{'time'})>$oneday) {
336: $host{$local.'_loncron'}='Stale.';
337: $host{$local.'_unresponsive_doomed'}++;
338: } else {
339: $host{$local.'_loncron_doomed'}=$loncron{'notices'}
340: +4*$loncron{'warnings'}
341: +100*$loncron{'errors'};
342: $host{$local.'_errors'}=$loncron{'errors'};
343: }
344: }
345: # -- Check version
346: &statuslist($local,'Version');
347: my $version=&request($local,'/lon-status/version.txt',7200);
348: if ($version eq 'local_error') {
349: $host{$local.'_version'}='Could not determine.';
350: $host{$local.'_unresponsive_doomed'}++;
351: } else {
352: $host{$local.'_version'}=$version;
353: }
354: # -- Check user status
355: &statuslist($local,'Users');
356: my %userstatus=&replyhash($local,'/cgi-bin/userstatus.pl?simple',600);
357: if (defined($userstatus{'local_error'})) {
358: $host{$local.'_userstatus'}='Could not determine.';
359: $host{$local.'_unresponsive_doomed'}++;
360: } else {
361: $host{$local.'_users_doomed'}=$userstatus{'Active'};
362: $host{$local.'_users'}=$userstatus{'Active'};
363: unless ($host{$local.'_users'}) { $host{$local.'_users'}=0; }
364: if ($host{$local.'_users'}>$maxusers) {
365: $maxusers=$host{$local.'_users'};
366: }
367: $totalusers+=$host{$local.'_users'};
368: my ($sload,$mload,$lload)=split(/ /,$userstatus{'loadavg'});
369: $host{$local.'_load_doomed'}=$mload;
370: if ($mload>$maxload) {
371: $maxload=$mload;
372: }
373: $host{$local.'_load'}=$userstatus{'loadavg'};
374: }
375: # -- Check mysql status
376: &statuslist($local,'Database');
377: my %mysql=&replyhash($local,'/lon-status/mysql.txt',3600);
378: if (defined($mysql{'local_error'})) {
379: $host{$local.'_mysql'}='Could not determine.';
380: $host{$local.'_unresponsive_doomed'}++;
381: } else {
382: if ((time-$mysql{'time'})>(7*$oneday)) {
383: if ($hostrole{$local} eq 'library') {
384: $host{$local.'_mysql'}='Stale.';
385: $host{$local.'_mysql_doomed'}=1;
386: }
387: if ($mysql{'mysql'} eq 'defunct') {
388: $host{$local.'_mysql'}='Defunct (maybe stale).';
389: $host{$local.'_mysql_doomed'}=2;
390: }
391: } elsif ($mysql{'mysql'} eq 'defunct') {
392: $host{$local.'_mysql'}='Defunct.';
393: $host{$local.'_mysql_doomed'}=3;
394: }
395: }
396: # -- Check rpm status
397: &statuslist($local,'RPMs');
398: my %checkrpms=&replyhash($local,'/lon-status/checkrpms.txt',7200);
399: if (defined($checkrpms{'local_error'})) {
400: $host{$local.'_checkrpms'}='Could not determine.';
401: $host{$local.'_unresponsive_doomed'}++;
402: } else {
403: if ((time-$checkrpms{'time'})>(4*$oneday)) {
404: $host{$local.'_checkrpms'}='Stale.';
405: $host{$local.'_checkrpms_doomed'}=50;
406: $host{$local.'_unresponsive_doomed'}++;
407: } elsif ($checkrpms{'status'} eq 'fail') {
408: $host{$local.'_checkrpms'}='Could not checked RPMs.';
409: $host{$local.'_checkrpms_doomed'}=100;
410: } elsif ($checkrpms{'rpmcount'}) {
411: $host{$local.'_checkrpms'}='Outdated RPMs: '.
412: $checkrpms{'rpmcount'};
413: $host{$local.'_checkrpms_doomed'}=$checkrpms{'rpmcount'};
414: }
415: }
416: # -- Check connections
417: &statuslist($local,'Connections');
418: $host{$local.'_notconnected'}='';
419: $host{$local.'_notconnected_doomed'}=0;
420: foreach my $remote (sort keys %hostname) {
421: my $status=&connected($local,$remote);
422: $connectionstatus{$local.'_TO_'.$remote}=$status;
423: unless (($status eq 'ok') || ($status eq 'not_yet')) {
424: $host{$local.'_notconnected'}.=' '.$remote;
425: $host{$local.'_notconnected_doomed'}++;
426: }
427: }
428: # =============================================================== End Main Loop
429: }
430:
431: }
432:
433: sub reports {
434: # ====================================================================== Output
435: if ($mode=~/\_doomed$/) {
436: # Output by doomedness
437: foreach (&doomedness($mode)) {
438: &serverstatus($_);
439: }
440: } elsif ($mode eq 'connections') {
441: print
442: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>".
443: "<tr><td bgcolor='#225522'> </td>";
444: foreach my $remote (sort keys %hostname) {
445: print '<td bgcolor="#DDDDBB">'.$remote.'</td>';
446: }
447: print "</tr>\n";
448: # connection matrix
449: foreach my $local (sort keys %hostname) {
450: print '<tr><td bgcolor="#DDDDBB">'.$local.'</td>';
451: foreach my $remote (sort keys %hostname) {
452: if ($connectionstatus{$local.'_TO_'.$remote} eq 'not_yet') {
453: my $cellcolor='#FFFFFF';
454: if ($local eq $remote) { $cellcolor='#DDDDDD'; }
455: print '<td bgcolor="'.$cellcolor.'"><font color="#555522" size="-2">not yet tested</font></td>';
456: } elsif ($connectionstatus{$local.'_TO_'.$remote} eq 'ok') {
457: my $cellcolor='#BBDDBB';
458: if ($local eq $remote) { $cellcolor='#99DD99'; }
459: print
460: '<td bgcolor="'.$cellcolor.'"><font color="#225522" face="arial"><b>ok</b></td>';
461: } else {
462: my $cellcolor='#DDCCAA';
463: if ($connectionstatus{$local.'_TO_'.$remote} eq 'local_error') {
464: if ($local eq $remote) {
465: $cellcolor='#DD88AA';
466: } else {
467: $cellcolor='#DDAACC';
468: }
469: } else {
470: if ($local eq $remote) { $cellcolor='#DDBB77'; }
471: }
472: print
473: '<td bgcolor="'.$cellcolor.'"><font color="#552222" size="-2">'.
474: $connectionstatus{$local.'_TO_'.$remote}.'<br />';
475: &lonc($local); &lond($remote);
476: print '</td>';
477: }
478: }
479: print "</tr>\n";
480: }
481: print "</table>";
482: } elsif ($mode eq 'users') {
483: # Users
484: if ($maxusers) {
485: my $factor=50/$maxusers;
486: print "<h3>Total active user(s): $totalusers</h3>".
487: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>";
488:
489: foreach my $local (sort keys %hostname) {
490: if (defined($host{$local.'_users'})) {
491: print
492: '<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.$local.
493: '</font><br /><font size="-2">'.
494: $domaindescription{$hostdom{$local}}.
495: '</font></td><td bgcolor="#DDDDBB">';
496: &users($local);
497: print
498: '</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'.
499: $host{$local.'_users'}.'</font></td><td bgcolor="#DDDDBB"';
500: &bar($factor*$host{$local.'_users'});
501: print "</td></tr>\n";
502: }
503: }
504: print "</table>";
505: } else {
506: print "No active users logged in.";
507: }
508: } elsif ($mode eq 'load') {
509: # Load
510: if ($maxload) {
511: my $factor=50/$maxload;
512: print
513: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>";
514: foreach my $local (sort keys %hostname) {
515: if (defined($host{$local.'_load_doomed'})) {
516: print
517: '<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.
518: $local.
519: '</font><br /><font size="-2">'.
520: $domaindescription{$hostdom{$local}}.
521: '</font></td><td bgcolor="#DDDDBB">';
522: &server($local);
523: print
524: '</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'.
525: $host{$local.'_load_doomed'}.'</font></td><td bgcolor="#DDDDBB"';
526: &bar($factor*$host{$local.'_load_doomed'});
527: print "</td></tr>\n";
528: }
529: }
530: print "</table>";
531: } else {
532: print "No workload.";
533: }
534: } elsif ($mode eq 'trouble') {
535: my $count=0;
536: foreach my $local (sort keys %hostname) {
537: my $trouble='';
538: if ($host{$local.'_unresponsive_doomed'}>3) {
539: $trouble='Does not respond to several queries.<br />';
540: }
541: if ($host{$local.'_errors'}) {
542: $trouble='Has loncron errors.<br />';
543: } elsif ($host{$local.'_loncron_doomed'}>600) {
544: $trouble='High loncron count.<br />';
545: }
546: if ($host{$local.'_load_doomed'}>5) {
547: $trouble='High load.<br />';
548: }
549: if ($host{$local.'_users_doomed'}>200) {
550: $trouble='High user volume.<br />';
551: }
552: if ($host{$local.'_mysql_doomed'}>1) {
553: $trouble='MySQL database apparently offline.<br />';
554: }
555: if ($host{$local.'_checkrpms_doomed'}>100) {
556: $trouble='RPMs outdated.<br />';
557: }
558: if ($trouble) { $count++; &serverstatus($local,$trouble); }
559: }
560: unless ($count) { print "No mayor trouble."; }
561: }
562: }
563:
564: # ====================================================================== Status
565: sub statuslist {
566: my ($local,$what)=@_;
567: print
568: "<script>document.prgstat.progress.value='Testing $local ($hostname{$local}): $what';</script>\n";
569: }
570:
571: # =============================================================================
572: # =============================================================================
573: # Main program
574: #
575: # ========================================================= Get form parameters
576: my $buffer;
577:
578: read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
579: my @pairs=split(/&/,$buffer);
580: my $pair; my $name; my $value;
581: undef %FORM;
582: %FORM=();
583: foreach $pair (@pairs) {
584: ($name,$value) = split(/=/,$pair);
585: $value =~ tr/+/ /;
586: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
587: $FORM{$name}=$value;
588: }
589:
590: $buffer=$ENV{'QUERY_STRING'};
591: @pairs=split(/&/,$buffer);
592: foreach $pair (@pairs) {
593: ($name,$value) = split(/=/,$pair);
594: $value =~ tr/+/ /;
595: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
596: $FORM{$name}=$value;
597: }
598:
599: # ====================================================== Determine refresh rate
600:
601: my $refresh=(($FORM{'refresh'}=~/^\d+$/)?$FORM{'refresh'}:30);
602: if ($refresh<30) { $refresh=30; }
603: my $starttime=time;
604:
605: # ============================================================== Determine mode
606:
607: my %modes=('trouble' => 'Trouble',
608: 'users_doomed' => 'Doomed: Users',
609: 'loncron_doomed' => 'Doomed: General (loncron)',
610: 'mysql_doomed' => 'Doomed: Database (mysql)',
611: 'notconnected_doomed' => 'Doomed: Connections',
612: 'checkrpms_doomed' => 'Doomed: RPMs',
613: 'load_doomed' => 'Doomed: Load',
614: 'unresponsive_doomed' => 'Doomed: Status could not be determined',
615: 'users' => 'User Report',
616: 'load' => 'Load Report',
617: 'connections' => 'Connections Matrix');
618:
619: $mode=$FORM{'mode'};
620: unless ($modes{$mode}) { $mode='trouble'; }
621: # ================================================================ Send Headers
622: print "Content-type: text/html\n\n".
623: "<html><body bgcolor='#FFFFFF'>\n";
624: # -------------------- Read loncapa.conf (and by default, loncapa_apache.conf).
625: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
626: %perlvar=%{$perlvarref};
627: undef $perlvarref; # remove since sensitive and not needed
628: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
629: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
630:
631: # ------------------------------------------------------------- Read hosts file
632: {
633: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
634:
635: while (my $configline=<$config>) {
636: $configline=~s/#.*$//;
637: unless ($configline=~/\w/) { next; }
638: my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
639: $hostname{$id}=$name;
640: $hostdom{$id}=$domain;
641: $hostrole{$id}=$role;
642: $hostip{$id}=$ip;
643: if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
644: $libserv{$id}=$name;
645: }
646: }
647: }
648: # ------------------------------------------------------------ Read domain file
649: {
650: my $fh=IO::File->new($perlvar{'lonTabDir'}.'/domain.tab');
651: if ($fh) {
652: while (<$fh>) {
653: next if (/^(\#|\s*$)/);
654: chomp;
655: my ($domain, $domain_description, $def_auth, $def_auth_arg,
656: $def_lang, $city, $longi, $lati) = split(/:/,$_);
657: $domain_auth_def{$domain}=$def_auth;
658: $domain_auth_arg_def{$domain}=$def_auth_arg;
659: $domaindescription{$domain}=$domain_description;
660: $domain_lang_def{$domain}=$def_lang;
661: $domain_city{$domain}=$city;
662: $domain_longi{$domain}=$longi;
663: $domain_lati{$domain}=$lati;
664: }
665: }
666: }
667:
668: print "<img src='/adm/lonIcons/lonlogos.gif' align='right' /><h1>LON-CAPA Cluster Status ".localtime()."</h1>";
669: print "<form name='prgstat'>\n".
670: "<input type='text' name='progress' value='Starting ...' size='100' /><br />".
671: "</form>\n";;
672: print "<form name='status' method='post'>\n";
673: print 'Choose next report: '.&select_form($mode,'mode',%modes).'<hr />';
674: &hidden('refresh',$refresh);
675:
676: if (!$FORM{'runonetime'}) {
677: print
678: "<h3>Gathering initial cluster data</h3>This may take some time ...<br />";
679: $fromcache=0;
680: &mainloop();
681: &statuslist('Done initial run.');
682: &reports();
683: } else {
684: $fromcache=1;
685: &mainloop();
686: &statuslist('Done gathering cached data');
687: &reports();
688: $fromcache=0;
689: &mainloop();
690: }
691: &hidden('runonetime',1);
692: print '<tt><br />Total number of queries: '.$stat_total.
693: '<br />Percent complete: '.
694: int(($stat_total-$stat_notyet)/$stat_total*100.).
695: '<br />Percent from cache: '.
696: int($stat_fromcache/$stat_total*100.).'</tt>';
697:
698: # ============================================================== Close, refresh
699: print "</form><script>";
700: my $runtime=time-$starttime;
701: if (($refresh-$runtime)<0) {
702: print "document.status.submit();";
703: } else {
704: my $refreshtime=int(1000*($refresh-$runtime));
705: print "setTimeout('document.status.submit()',$refreshtime);\n".
706: "document.prgstat.progress.value='Will automatically refresh ($refresh secs refresh cycle)'";
707: }
708: print "</script></body></html>";
709: exit 0;
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