File:  [LON-CAPA] / loncom / loncron
Revision 1.33: download - view: text, annotated - select for diffs
Mon Sep 9 13:59:16 2002 UTC (21 years, 9 months ago) by harris41
Branches: MAIN
CVS tags: HEAD
fixing invocation of read_conf (loncapa_apache.conf does not need to be
directly specified)

    1: #!/usr/bin/perl
    2: 
    3: # The LearningOnline Network
    4: # Housekeeping program, started by cron
    5: #
    6: # (TCP networking package
    7: # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
    8: # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)
    9: #
   10: # 7/14,7/15,7/19,7/21,7/22,11/18,
   11: # 2/8 Gerd Kortemeyer
   12: # 12/6/2000,12/8 Scott Harrison
   13: # 12/23 Gerd Kortemeyer
   14: # YEAR=2001
   15: # 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21,8/27 Scott Harrison
   16: # 09/04,09/06,11/26 Gerd Kortemeyer
   17: # YEAR=2002
   18: # 5/11/2002 Scott Harrison
   19: 
   20: $|=1;
   21: 
   22: use lib '/home/httpd/lib/perl/';
   23: use LONCAPA::Configuration;
   24: 
   25: use IO::File;
   26: use IO::Socket;
   27: 
   28: # -------------------------------------------------- Non-critical communication
   29: sub reply {
   30:     my ($cmd,$server)=@_;
   31:     my $peerfile="$perlvar{'lonSockDir'}/$server";
   32:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
   33:                                      Type    => SOCK_STREAM,
   34:                                      Timeout => 10)
   35:        or return "con_lost";
   36:     print $client "$cmd\n";
   37:     my $answer=<$client>;
   38:     chomp($answer);
   39:     if (!$answer) { $answer="con_lost"; }
   40:     return $answer;
   41: }
   42: 
   43: # --------------------------------------------------------- Output error status
   44: 
   45: sub errout {
   46:    my $fh=shift;
   47:    print $fh (<<ENDERROUT);
   48:      <p><table border=2 bgcolor="#CCCCCC">
   49:      <tr><td>Notices</td><td>$notices</td></tr>
   50:      <tr><td>Warnings</td><td>$warnings</td></tr>
   51:      <tr><td>Errors</td><td>$errors</td></tr>
   52:      </table><p><a href="#top">Top</a><p>
   53: ENDERROUT
   54: }
   55: 
   56: # ================================================================ Main Program
   57: 
   58: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
   59: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
   60: %perlvar=%{$perlvarref};
   61: undef $perlvarref;
   62: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
   63: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
   64: 
   65: # --------------------------------------- Make sure that LON-CAPA is configured
   66: # I only test for one thing here (lonHostID).  This is just a safeguard.
   67: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
   68:    print("Unconfigured machine.\n");
   69:    $emailto=$perlvar{'lonSysEMail'};
   70:    $hostname=`/bin/hostname`;
   71:    chop $hostname;
   72:    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
   73:    $subj="LON: Unconfigured machine $hostname";
   74:    system("echo 'Unconfigured machine $hostname.' |\
   75:  mailto $emailto -s '$subj' > /dev/null");
   76:     exit 1;
   77: }
   78: 
   79: # ----------------------------- Make sure this process is running from user=www
   80: my $wwwid=getpwnam('www');
   81: if ($wwwid!=$<) {
   82:    print("User ID mismatch.  This program must be run as user 'www'\n");
   83:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   84:    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
   85:    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
   86:  mailto $emailto -s '$subj' > /dev/null");
   87:    exit 1;
   88: }
   89: 
   90: # ------------------------------------------------------------- Read hosts file
   91: {
   92:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
   93: 
   94:     while (my $configline=<$config>) {
   95: 	my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
   96: 	if ($id && $domain && $role && $name && $ip) {
   97: 	    $hostname{$id}=$name;
   98: 	    $hostdom{$id}=$domain;
   99: 	    $hostip{$id}=$ip;
  100: 	    $hostrole{$id}=$role;
  101: 	    if ($domdescr) { $domaindescription{$domain}=$domdescr; }
  102: 	    if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
  103: 		$libserv{$id}=$name;
  104: 	    }
  105: 	} else {
  106: 	    if ($configline) {
  107: #		&logthis("Skipping hosts.tab line -$configline-");
  108: 	    }
  109: 	}
  110:     }
  111: }
  112: 
  113: # ------------------------------------------------------ Read spare server file
  114: {
  115:     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
  116: 
  117:     while (my $configline=<$config>) {
  118:        chomp($configline);
  119:        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
  120:           $spareid{$configline}=1;
  121:        }
  122:     }
  123: }
  124: 
  125: # ---------------------------------------------------------------- Start report
  126: 
  127: $statusdir="/home/httpd/html/lon-status";
  128: 
  129: $errors=0;
  130: $warnings=0;
  131: $notices=0;
  132: 
  133: $now=time;
  134: $date=localtime($now);
  135: 
  136: {
  137: my $fh=IO::File->new(">$statusdir/newstatus.html");
  138: 
  139: print $fh (<<ENDHEADERS);
  140: <html>
  141: <head>
  142: <title>LON Status Report $perlvar{'lonHostID'}</title>
  143: </head>
  144: <body bgcolor="#AAAAAA">
  145: <a name="top">
  146: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
  147: <h2>$date ($now)</h2>
  148: <ol>
  149: <li><a href="#configuration">Configuration</a>
  150: <li><a href="#machine">Machine Information</a>
  151: <li><a href="#tmp">Temporary Files</a>
  152: <li><a href="#tokens">Session Tokens</a>
  153: <li><a href="#httpd">httpd</a>
  154: <li><a href="#lonsql">lonsql</a>
  155: <li><a href="#lond">lond</a>
  156: <li><a href="#lonc">lonc</a>
  157: <li><a href="#lonnet">lonnet</a>
  158: <li><a href="#connections">Connections</a>
  159: <li><a href="#delayed">Delayed Messages</a>
  160: <li><a href="#errcount">Error Count</a>
  161: </ol>
  162: <hr>
  163: <a name="configuration">
  164: <h2>Configuration</h2>
  165: <h3>PerlVars</h3>
  166: <table border=2>
  167: ENDHEADERS
  168: 
  169: foreach $varname (sort(keys(%perlvar))) {
  170:     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
  171: }
  172: print $fh "</table><h3>Hosts</h3><table border=2>";
  173: foreach $id (sort(keys(%hostname))) {
  174:     print $fh 
  175: 	"<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
  176:     print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
  177: }
  178: print $fh "</table><h3>Spare Hosts</h3><ol>";
  179: foreach $id (sort(keys(%spareid))) {
  180:     print $fh "<li>$id\n";
  181: }
  182: 
  183: print $fh "</ol>\n";
  184: 
  185: # --------------------------------------------------------------------- Machine
  186: 
  187: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
  188: print $fh "<h3>loadavg</h3>";
  189: 
  190: open (LOADAVGH,"/proc/loadavg");
  191: $loadavg=<LOADAVGH>;
  192: close (LOADAVGH);
  193: 
  194: print $fh "<tt>$loadavg</tt>";
  195: 
  196: @parts=split(/\s+/,$loadavg);
  197: if ($parts[1]>4.0) {
  198:     $errors++;
  199: } elsif ($parts[1]>2.0) {
  200:     $warnings++;
  201: } elsif ($parts[1]>1.0) {
  202:     $notices++;
  203: }
  204: 
  205: print $fh "<h3>df</h3>";
  206: print $fh "<pre>";
  207: 
  208: open (DFH,"df|");
  209: while ($line=<DFH>) { 
  210:    print $fh "$line"; 
  211:    @parts=split(/\s+/,$line);
  212:    $usage=$parts[4];
  213:    $usage=~s/\W//g;
  214:    if ($usage>90) { 
  215:       $warnings++;
  216:       $notices++; 
  217:    } elsif ($usage>80) {
  218:       $warnings++;
  219:    } elsif ($usage>60) {
  220:       $notices++;
  221:    }
  222:    if ($usage>95) { $warnings++; $warnings++ }
  223: }
  224: close (DFH);
  225: print $fh "</pre>";
  226: 
  227: 
  228: print $fh "<h3>ps</h3>";
  229: print $fh "<pre>";
  230: $psproc=0;
  231: 
  232: open (PSH,"ps -aux|");
  233: while ($line=<PSH>) { 
  234:    print $fh "$line"; 
  235:    $psproc++;
  236: }
  237: close (PSH);
  238: print $fh "</pre>";
  239: 
  240: if ($psproc>200) { $notices++; }
  241: if ($psproc>250) { $notices++; }
  242: 
  243: &errout($fh);
  244: 
  245: # --------------------------------------------------------------- clean out tmp
  246: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
  247: $cleaned=0;
  248: $old=0;
  249: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
  250:                           my ($dev,$ino,$mode,$nlink,
  251:                               $uid,$gid,$rdev,$size,
  252:                               $atime,$mtime,$ctime,
  253:                               $blksize,$blocks)=stat($fname);
  254:                           $now=time;
  255:                           $since=$now-$mtime;
  256:                           if ($since>$perlvar{'lonExpire'}) {
  257:                               $line='';
  258:                               if (open(PROBE,$fname)) {
  259: 				  $line=<PROBE>;
  260:                                   close(PROBE);
  261: 			      }
  262: 			      unless ($line=~/^CHECKOUTTOKEN\&/) {
  263:                                  $cleaned++;
  264:                                  unlink("$fname");
  265: 			      } else {
  266: 				  if ($since>365*$perlvar{'lonExpire'}) {
  267:                                      $cleaned++;
  268:                                      unlink("$fname");
  269: 				 } else { $old++; }
  270:                               }
  271:                           }
  272:     
  273: }
  274: print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens).";
  275: 
  276: # ------------------------------------------------------------ clean out lonIDs
  277: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
  278: $cleaned=0;
  279: $active=0;
  280: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
  281:                           my ($dev,$ino,$mode,$nlink,
  282:                               $uid,$gid,$rdev,$size,
  283:                               $atime,$mtime,$ctime,
  284:                               $blksize,$blocks)=stat($fname);
  285:                           $now=time;
  286:                           $since=$now-$mtime;
  287:                           if ($since>$perlvar{'lonExpire'}) {
  288:                               $cleaned++;
  289:                               print $fh "Unlinking $fname<br>";
  290:                               unlink("$fname");
  291:                           } else {
  292:                               $active++;
  293:                           }
  294:     
  295: }
  296: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
  297: print $fh "<h3>$active open session(s)</h3>";
  298: 
  299: # ----------------------------------------------------------------------- httpd
  300: 
  301: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
  302: 
  303: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
  304: while ($line=<DFH>) { print $fh "$line" };
  305: close (DFH);
  306: 
  307: print $fh "</pre><h3>Error Log</h3><pre>";
  308: 
  309: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
  310: while ($line=<DFH>) { 
  311:    print $fh "$line";
  312:    if ($line=~/\[error\]/) { $notices++; } 
  313: };
  314: close (DFH);
  315: print $fh "</pre>";
  316: &errout($fh);
  317: 
  318: 
  319: # ---------------------------------------------------------------------- lonsql
  320: 
  321: my $restartflag=1;
  322: if ($perlvar{'lonRole'} eq "library") {
  323: 
  324:     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
  325:     print "lonsql\n";
  326:     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  327: 	open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  328: 	while ($line=<DFH>) { 
  329: 	    print $fh "$line";
  330: 	    if ($line=~/INFO/) { $notices++; }
  331: 	    if ($line=~/WARNING/) { $notices++; }
  332: 	    if ($line=~/CRITICAL/) { $warnings++; }
  333: 	};
  334: 	close (DFH);
  335:     }
  336:     print $fh "</pre>";
  337:     
  338:     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
  339:  
  340:     $restartflag=1;
  341:    
  342:     if (-e $lonsqlfile) {
  343: 	my $lfh=IO::File->new("$lonsqlfile");
  344: 	my $lonsqlpid=<$lfh>;
  345: 	chomp($lonsqlpid);
  346: 	if (kill 0 => $lonsqlpid) {
  347: 	    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  348: 	    $restartflag=0;
  349: 	} else {
  350: 	    $errors++; $errors++;
  351: 	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  352: 		$restartflag=1;
  353: 	print $fh 
  354: 	    "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
  355: 	}
  356:     }
  357:     if ($restartflag==1) {
  358: 	$errors++;
  359: 	         print $fh '<br><font color="red">Killall lonsql: '.
  360:                     system('killall lonsql').' - ';
  361:                     sleep 2;
  362:                     print $fh unlink($lonsqlfile).' - '.
  363:                               system('killall -9 lonsql').
  364:                     '</font><br>';
  365: 	print $fh "<h3>lonsql not running, trying to start</h3>";
  366: 	system(
  367:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  368: 	sleep 2;
  369: 	if (-e $lonsqlfile) {
  370: 	    print $fh "Seems like it started ...<p>";
  371: 	    my $lfh=IO::File->new("$lonsqlfile");
  372: 	    my $lonsqlpid=<$lfh>;
  373: 	    chomp($lonsqlpid);
  374: 	    sleep 2;
  375: 	    if (kill 0 => $lonsqlpid) {
  376: 		print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  377: 	    } else {
  378: 		$errors++; $errors++;
  379: 		print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  380: 		print $fh "Give it one more try ...<p>";
  381: 		system(
  382:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  383: 		sleep 2;
  384: 	    }
  385: 	} else {
  386: 	    print $fh "Seems like that did not work!<p>";
  387: 	    $errors++;
  388: 	}
  389: 	if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  390: 	    print $fh "<p><pre>";
  391: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  392: 	    while ($line=<DFH>) { 
  393: 		print $fh "$line";
  394: 		if ($line=~/WARNING/) { $notices++; }
  395: 		if ($line=~/CRITICAL/) { $notices++; }
  396: 	    };
  397: 	    close (DFH);
  398: 	    print $fh "</pre>";
  399: 	}
  400:     }
  401: 
  402:     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
  403: 
  404:     my ($dev,$ino,$mode,$nlink,
  405: 	$uid,$gid,$rdev,$size,
  406: 	$atime,$mtime,$ctime,
  407: 	$blksize,$blocks)=stat($fname);
  408: 
  409:     if ($size>40000) {
  410: 	print $fh "Rotating logs ...<p>";
  411: 	rename("$fname.2","$fname.3");
  412: 	rename("$fname.1","$fname.2");
  413: 	rename("$fname","$fname.1");
  414:     }
  415: 
  416:     &errout($fh);
  417: }
  418: # ------------------------------------------------------------------------ lond
  419: 
  420: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
  421: print "lond\n";
  422: 
  423: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  424: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
  425: while ($line=<DFH>) { 
  426:    print $fh "$line";
  427:    if ($line=~/INFO/) { $notices++; }
  428:    if ($line=~/WARNING/) { $notices++; }
  429:    if ($line=~/CRITICAL/) { $warnings++; }
  430: };
  431: close (DFH);
  432: }
  433: print $fh "</pre>";
  434: 
  435: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
  436: 
  437: $restartflag=1;
  438: if (-e $londfile) {    
  439:    my $lfh=IO::File->new("$londfile");
  440:    my $londpid=<$lfh>;
  441:    chomp($londpid);
  442:    if (kill 0 => $londpid) {
  443:       print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
  444:       kill USR1 => $londpid;
  445:       $restartflag=0;
  446:    } else {
  447:       $errors++;
  448:       print $fh "<h3>lond at pid $londpid not responding</h3>";
  449:       $restartflag=1;
  450:       print $fh 
  451: 	  "<h3>Decided to clean up stale .pid file and restart lond</h3>";
  452:    }
  453: } 
  454: if ($restartflag==1) {
  455:    $errors++;
  456: 	  print $fh '<br><font color="red">Killall lond: '.
  457:                     system('killall lond').' - ';
  458:           sleep 2;
  459:           print $fh unlink($londfile).' - '.system('killall -9 lond').
  460:                     '</font><br>';
  461:    print $fh "<h3>lond not running, trying to start</h3>";
  462:    system(
  463:      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  464:    sleep 2;
  465:    if (-e $londfile) {
  466:        print $fh "Seems like it started ...<p>";
  467:        my $lfh=IO::File->new("$londfile");
  468:        my $londpid=<$lfh>;
  469:        chomp($londpid);
  470:        sleep 2;
  471:        if (kill 0 => $londpid) {
  472:           print $fh "<h3>lond at pid $londpid responding</h3>";
  473:        } else {
  474:           $errors++; $errors++;
  475:           print $fh "<h3>lond at pid $londpid not responding</h3>";
  476:           print $fh "Give it one more try ...<p>";
  477: 	  system(
  478:  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  479:           sleep 2;
  480:        }
  481:    } else {
  482:        print $fh "Seems like that did not work!<p>";
  483:        $errors++;
  484:    }
  485:    if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  486:     print $fh "<p><pre>";
  487:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
  488:     while ($line=<DFH>) { 
  489:       print $fh "$line";
  490:       if ($line=~/WARNING/) { $notices++; }
  491:       if ($line=~/CRITICAL/) { $notices++; }
  492:     };
  493:     close (DFH);
  494:     print $fh "</pre>";
  495:    }
  496: }
  497: 
  498: $fname="$perlvar{'lonDaemons'}/logs/lond.log";
  499: 
  500:                           my ($dev,$ino,$mode,$nlink,
  501:                               $uid,$gid,$rdev,$size,
  502:                               $atime,$mtime,$ctime,
  503:                               $blksize,$blocks)=stat($fname);
  504: 
  505: if ($size>40000) {
  506:     print $fh "Rotating logs ...<p>";
  507:     rename("$fname.2","$fname.3");
  508:     rename("$fname.1","$fname.2");
  509:     rename("$fname","$fname.1");
  510: }
  511: 
  512: &errout($fh);
  513: # ------------------------------------------------------------------------ lonc
  514: 
  515: print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
  516: print "lonc\n";
  517: 
  518: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
  519: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
  520: while ($line=<DFH>) { 
  521:    print $fh "$line";
  522:    if ($line=~/INFO/) { $notices++; }
  523:    if ($line=~/WARNING/) { $notices++; }
  524:    if ($line=~/CRITICAL/) { $warnings++; }
  525: };
  526: close (DFH);
  527: }
  528: print $fh "</pre>";
  529: 
  530: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
  531: 
  532: $restartflag=1;
  533: if (-e $loncfile) {
  534:    my $lfh=IO::File->new("$loncfile");
  535:    my $loncpid=<$lfh>;
  536:    chomp($loncpid);
  537:    if (kill 0 => $loncpid) {
  538:       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
  539:       kill USR1 => $loncpid;
  540:       $restartflag=0;
  541:    } else {
  542:       $errors++;
  543:       print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  544:       # Solution: kill parent and children processes, remove .pid and restart
  545: 	  $restartflag=1;
  546:       print $fh 
  547: 	  "<h3>Decided to clean up stale .pid file and restart lonc</h3>";
  548:    }
  549: } 
  550: if ($restartflag==1) {
  551:    $errors++;
  552: 	  print $fh '<br><font color="red">Killall lonc: '.
  553: 	            system('killall lonc').' - ';
  554:           sleep 2;
  555:           print $fh unlink($loncfile).' - '.system('killall -9 lonc').
  556:                     '</font><br>';
  557:    print $fh "<h3>lonc not running, trying to start</h3>";
  558: 	system(
  559:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  560:    sleep 2;
  561:    if (-e $loncfile) {
  562:        print $fh "Seems like it started ...<p>";
  563:        my $lfh=IO::File->new("$loncfile");
  564:        my $loncpid=<$lfh>;
  565:        chomp($loncpid);
  566:        sleep 2;
  567:        if (kill 0 => $loncpid) {
  568:           print $fh "<h3>lonc at pid $loncpid responding</h3>";
  569:        } else {
  570:           $errors++; $errors++;
  571:           print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  572:           print $fh "Give it one more try ...<p>";
  573:  	  system(
  574:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  575:           sleep 2;
  576:        }
  577:    } else {
  578:        print $fh "Seems like that did not work!<p>";
  579:        $errors++;
  580:    }
  581:    if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
  582:     print $fh "<p><pre>";
  583:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
  584:     while ($line=<DFH>) { 
  585:       print $fh "$line";
  586:       if ($line=~/WARNING/) { $notices++; }
  587:       if ($line=~/CRITICAL/) { $notices++; }
  588:     };
  589:     close (DFH);
  590:     print $fh "</pre>";
  591:    }
  592: }
  593: 
  594: $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
  595: 
  596:                           my ($dev,$ino,$mode,$nlink,
  597:                               $uid,$gid,$rdev,$size,
  598:                               $atime,$mtime,$ctime,
  599:                               $blksize,$blocks)=stat($fname);
  600: 
  601: if ($size>40000) {
  602:     print $fh "Rotating logs ...<p>";
  603:     rename("$fname.2","$fname.3");
  604:     rename("$fname.1","$fname.2");
  605:     rename("$fname","$fname.1");
  606: }
  607: 
  608:    
  609: &errout($fh);
  610: # ---------------------------------------------------------------------- lonnet
  611: 
  612: print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
  613: print "lonnet\n";
  614: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
  615: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
  616: while ($line=<DFH>) { 
  617:     print $fh "$line";
  618: };
  619: close (DFH);
  620: }
  621: print $fh "</pre><h3>Perm Log</h3><pre>";
  622: 
  623: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
  624:     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
  625: while ($line=<DFH>) { 
  626:    print $fh "$line";
  627: };
  628: close (DFH);
  629: } else { print $fh "No perm log\n" }
  630: 
  631: $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
  632: 
  633:                           my ($dev,$ino,$mode,$nlink,
  634:                               $uid,$gid,$rdev,$size,
  635:                               $atime,$mtime,$ctime,
  636:                               $blksize,$blocks)=stat($fname);
  637: 
  638: if ($size>40000) {
  639:     print $fh "Rotating logs ...<p>";
  640:     rename("$fname.2","$fname.3");
  641:     rename("$fname.1","$fname.2");
  642:     rename("$fname","$fname.1");
  643: }
  644: 
  645: print $fh "</pre>";
  646: &errout($fh);
  647: # ----------------------------------------------------------------- Connections
  648: 
  649: print $fh '<hr><a name="connections"><h2>Connections</h2>';
  650: 
  651: print $fh "<table border=2>";
  652: foreach $tryserver (sort(keys(%hostname))) {
  653: 
  654:     $answer=reply("pong",$tryserver);
  655:     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
  656: 	$result="<b>ok</b>";
  657:     } else {
  658:         $result=$answer;
  659:         $warnings++;
  660:         if ($answer eq 'con_lost') { $warnings++; }
  661:     }
  662:     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
  663: 
  664: }
  665: print $fh "</table>";
  666: 
  667: &errout($fh);
  668: # ------------------------------------------------------------ Delayed messages
  669: 
  670: print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
  671: print "buffers\n";
  672: 
  673: print $fh '<h3>Scanning Permanent Log</h3>';
  674: 
  675: $unsend=0;
  676: {
  677:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
  678:     while ($line=<$dfh>) {
  679: 	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
  680:         if ($sdf eq 'F') { 
  681: 	    $local=localtime($time);
  682:             print "<b>Failed: $time, $dserv, $dcmd</b><br>";
  683:             $warnings++;
  684:         }
  685:         if ($sdf eq 'S') { $unsend--; }
  686:         if ($sdf eq 'D') { $unsend++; }
  687:     }
  688: }
  689: print $fh "Total unsend messages: <b>$unsend</b><p>\n";
  690: $warnings=$warnings+5*$unsend;
  691: 
  692: print $fh "<h3>Outgoing Buffer</h3>";
  693: 
  694: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
  695: while ($line=<DFH>) { 
  696:     print $fh "$line<br>";
  697: };
  698: close (DFH);
  699: 
  700: # ------------------------------------------------------------------------- End
  701: print $fh "<a name=errcount>\n";
  702: $totalcount=$notices+4*$warnings+100*$errors;
  703: &errout($fh);
  704: print $fh "<h1>Total Error Count: $totalcount</h1>";
  705: $now=time;
  706: $date=localtime($now);
  707: print $fh "<hr>$date ($now)</body></html>\n";
  708: print "writing done\n";
  709: }
  710: 
  711: rename ("$statusdir/newstatus.html","$statusdir/index.html");
  712: 
  713: if ($totalcount>200) {
  714:    print "mailing\n";
  715:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
  716:    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
  717:    system(
  718:  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
  719: }
  720: 1;
  721: 
  722: 
  723: 
  724: 
  725: 
  726: 
  727: 
  728: 

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