File:  [LON-CAPA] / loncom / loncron
Revision 1.21: download - view: text, annotated - select for diffs
Tue Apr 24 15:55:13 2001 UTC (23 years ago) by harris41
Branches: MAIN
CVS tags: HEAD
do not e-mail when running in quick mode

    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: # 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21 Scott Harrison
   15: 
   16: use IO::File;
   17: use IO::Socket;
   18: 
   19: my $qflag=0;
   20: if (@ARGV) {
   21:     my $arg=shift @ARGV;
   22:     $qflag=1 if $arg eq 'quick';
   23: }
   24: 
   25: # -------------------------------------------------- Non-critical communication
   26: sub reply {
   27:     my ($cmd,$server)=@_;
   28:     my $peerfile="$perlvar{'lonSockDir'}/$server";
   29:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
   30:                                      Type    => SOCK_STREAM,
   31:                                      Timeout => 10)
   32:        or return "con_lost";
   33:     print $client "$cmd\n";
   34:     my $answer=<$client>;
   35:     chomp($answer);
   36:     if (!$answer) { $answer="con_lost"; }
   37:     return $answer;
   38: }
   39: 
   40: # --------------------------------------------------------- Output error status
   41: 
   42: sub errout {
   43:    my $fh=shift;
   44:    print $fh (<<ENDERROUT);
   45:      <p><table border=2 bgcolor="#CCCCCC">
   46:      <tr><td>Notices</td><td>$notices</td></tr>
   47:      <tr><td>Warnings</td><td>$warnings</td></tr>
   48:      <tr><td>Errors</td><td>$errors</td></tr>
   49:      </table><p><a href="#top">Top</a><p>
   50: ENDERROUT
   51: }
   52: 
   53: # ================================================================ Main Program
   54: 
   55: # ------------------------------------------------------------ Read access.conf
   56: {
   57:     my $config=IO::File->new("/etc/httpd/conf/access.conf");
   58: 
   59:     while (my $configline=<$config>) {
   60:         if ($configline =~ /PerlSetVar/) {
   61: 	   my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
   62:            $perlvar{$varname}=$varvalue;
   63:         }
   64:     }
   65:     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
   66:     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
   67: }
   68: 
   69: # --------------------------------------- Make sure that LON-CAPA is configured
   70: # I only test for one thing here (lonHostID).  This is just a safeguard.
   71: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
   72:    print("Unconfigured machine.\n");
   73:    $emailto=$perlvar{'lonSysEMail'};
   74:    $hostname=`/bin/hostname`;
   75:    chop $hostname;
   76:    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
   77:    $subj="LON: Unconfigured machine $hostname";
   78:    system("echo 'Unconfigured machine $hostname.' |\
   79:  mailto $emailto -s '$subj' > /dev/null");
   80:     exit 1;
   81: }
   82: 
   83: # ----------------------------- Make sure this process is running from user=www
   84: my $wwwid=getpwnam('www');
   85: if ($wwwid!=$<) {
   86:    print("User ID mismatch.  This program must be run as user 'www'\n");
   87:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   88:    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
   89:    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
   90:  mailto $emailto -s '$subj' > /dev/null");
   91:    exit 1;
   92: }
   93: 
   94: # ------------------------------------------------------------- Read hosts file
   95: {
   96:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
   97: 
   98:     while (my $configline=<$config>) {
   99:        my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
  100:        $hostname{$id}=$name;
  101:        $hostdom{$id}=$domain;
  102:        $hostrole{$id}=$role;
  103:        $hostip{$id}=$ip;
  104:        if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
  105: 	   $libserv{$id}=$name;
  106:        }
  107:     }
  108: }
  109: 
  110: # ------------------------------------------------------ Read spare server file
  111: {
  112:     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
  113: 
  114:     while (my $configline=<$config>) {
  115:        chomp($configline);
  116:        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
  117:           $spareid{$configline}=1;
  118:        }
  119:     }
  120: }
  121: 
  122: # ---------------------------------------------------------------- Start report
  123: 
  124: $statusdir="/home/httpd/html/lon-status";
  125: 
  126: $errors=0;
  127: $warnings=0;
  128: $notices=0;
  129: 
  130: $now=time;
  131: $date=localtime($now);
  132: 
  133: {
  134: my $fh=IO::File->new(">$statusdir/newstatus.html");
  135: 
  136: print $fh (<<ENDHEADERS);
  137: <html>
  138: <head>
  139: <title>LON Status Report $perlvar{'lonHostID'}</title>
  140: </head>
  141: <body bgcolor="#AAAAAA">
  142: <a name="top">
  143: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
  144: <h2>$date ($now)</h2>
  145: <ol>
  146: <li><a href="#configuration">Configuration</a>
  147: <li><a href="#machine">Machine Information</a>
  148: <li><a href="#tmp">Temporary Files</a>
  149: <li><a href="#tokens">Session Tokens</a>
  150: <li><a href="#httpd">httpd</a>
  151: <li><a href="#lonsql">lonsql</a>
  152: <li><a href="#lond">lond</a>
  153: <li><a href="#lonc">lonc</a>
  154: <li><a href="#lonnet">lonnet</a>
  155: <li><a href="#connections">Connections</a>
  156: <li><a href="#delayed">Delayed Messages</a>
  157: <li><a href="#errcount">Error Count</a>
  158: </ol>
  159: <hr>
  160: <a name="configuration">
  161: <h2>Configuration</h2>
  162: <h3>PerlVars</h3>
  163: <table border=2>
  164: ENDHEADERS
  165: 
  166: foreach $varname (keys %perlvar) {
  167:     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
  168: }
  169: print $fh "</table><h3>Hosts</h3><table border=2>";
  170: foreach $id (keys %hostname) {
  171: print $fh 
  172:     "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
  173: print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
  174: }
  175: print $fh "</table><h3>Spare Hosts</h3><ol>";
  176: foreach $id (keys %spareid) {
  177:     print $fh "<li>$id\n";
  178: }
  179: 
  180: print $fh "</ol>\n";
  181: 
  182: # --------------------------------------------------------------------- Machine
  183: 
  184: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
  185: print $fh "<h3>loadavg</h3>";
  186: 
  187: open (LOADAVGH,"/proc/loadavg");
  188: $loadavg=<LOADAVGH>;
  189: close (LOADAVGH);
  190: 
  191: print $fh "<tt>$loadavg</tt>";
  192: 
  193: @parts=split(/\s+/,$loadavg);
  194: if ($parts[1]>4.0) {
  195:     $errors++;
  196: } elsif ($parts[1]>2.0) {
  197:     $warnings++;
  198: } elsif ($parts[1]>1.0) {
  199:     $notices++;
  200: }
  201: 
  202: print $fh "<h3>df</h3>";
  203: print $fh "<pre>";
  204: 
  205: open (DFH,"df|");
  206: while ($line=<DFH>) { 
  207:    print $fh "$line"; 
  208:    @parts=split(/\s+/,$line);
  209:    $usage=$parts[4];
  210:    $usage=~s/\W//g;
  211:    if ($usage>90) { 
  212:       $warnings++; 
  213:    } elsif ($usage>80) {
  214:       $warnings++;
  215:    } elsif ($usage>60) {
  216:       $notices++;
  217:    }
  218:    if ($usage>95) { $warnings++; $warnings++ }
  219: }
  220: close (DFH);
  221: print $fh "</pre>";
  222: &errout($fh);
  223: 
  224: # --------------------------------------------------------------- clean out tmp
  225: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
  226: $cleaned=0;
  227: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
  228:                           my ($dev,$ino,$mode,$nlink,
  229:                               $uid,$gid,$rdev,$size,
  230:                               $atime,$mtime,$ctime,
  231:                               $blksize,$blocks)=stat($fname);
  232:                           $now=time;
  233:                           $since=$now-$mtime;
  234:                           if ($since>$perlvar{'lonExpire'}) {
  235:                               $cleaned++;
  236:                               unlink("$fname");
  237:                           }
  238:     
  239: }
  240: print $fh "Cleaned up ".$cleaned." files.";
  241: 
  242: # ------------------------------------------------------------ clean out lonIDs
  243: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
  244: $cleaned=0;
  245: $active=0;
  246: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
  247:                           my ($dev,$ino,$mode,$nlink,
  248:                               $uid,$gid,$rdev,$size,
  249:                               $atime,$mtime,$ctime,
  250:                               $blksize,$blocks)=stat($fname);
  251:                           $now=time;
  252:                           $since=$now-$mtime;
  253:                           if ($since>$perlvar{'lonExpire'}) {
  254:                               $cleaned++;
  255:                               print $fh "Unlinking $fname<br>";
  256:                               unlink("$fname");
  257:                           } else {
  258:                               $active++;
  259:                           }
  260:     
  261: }
  262: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
  263: print $fh "<h3>$active open session(s)</h3>";
  264: 
  265: # ----------------------------------------------------------------------- httpd
  266: 
  267: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
  268: 
  269: open (DFH,"tail -n40 /etc/httpd/logs/access_log|");
  270: while ($line=<DFH>) { print $fh "$line" };
  271: close (DFH);
  272: 
  273: print $fh "</pre><h3>Error Log</h3><pre>";
  274: 
  275: open (DFH,"tail -n50 /etc/httpd/logs/error_log|");
  276: while ($line=<DFH>) { 
  277:    print $fh "$line";
  278:    if ($line=~/\[error\]/) { $notices++; } 
  279: };
  280: close (DFH);
  281: print $fh "</pre>";
  282: &errout($fh);
  283: 
  284: 
  285: # ---------------------------------------------------------------------- lonsql
  286: #
  287: # Do not run for now
  288: #
  289: if ($perlvar{'lonRole'} eq "library") {
  290: 
  291:     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
  292:     
  293:     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  294: 	open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  295: 	while ($line=<DFH>) { 
  296: 	    print $fh "$line";
  297: 	    if ($line=~/INFO/) { $notices++; }
  298: 	    if ($line=~/WARNING/) { $notices++; }
  299: 	    if ($line=~/CRITICAL/) { $warnings++; }
  300: 	};
  301: 	close (DFH);
  302:     }
  303:     print $fh "</pre>";
  304:     
  305:     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
  306:     
  307:     if (-e $lonsqlfile) {
  308: 	my $lfh=IO::File->new("$lonsqlfile");
  309: 	my $lonsqlpid=<$lfh>;
  310: 	chomp($lonsqlpid);
  311: 	if (kill 0 => $lonsqlpid) {
  312: 	    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  313: 	} else {
  314: 	    $errors++; $errors++;
  315: 	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  316: 	}
  317:     } else {
  318: 	$errors++;
  319: 	print $fh "<h3>lonsql not running, trying to start</h3>";
  320: 	system(
  321:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  322: 	sleep 120 unless $qflag;
  323: 	if (-e $lonsqlfile) {
  324: 	    print $fh "Seems like it started ...<p>";
  325: 	    my $lfh=IO::File->new("$lonsqlfile");
  326: 	    my $lonsqlpid=<$lfh>;
  327: 	    chomp($lonsqlpid);
  328: 	    sleep 30 unless $qflag;
  329: 	    if (kill 0 => $lonsqlpid) {
  330: 		print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  331: 	    } else {
  332: 		$errors++; $errors++;
  333: 		print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  334: 		print $fh "Give it one more try ...<p>";
  335: 		system(
  336:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  337: 		sleep 120 unless $qflag;
  338: 	    }
  339: 	} else {
  340: 	    print $fh "Seems like that did not work!<p>";
  341: 	    $errors++;
  342: 	}
  343: 	if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  344: 	    print $fh "<p><pre>";
  345: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  346: 	    while ($line=<DFH>) { 
  347: 		print $fh "$line";
  348: 		if ($line=~/WARNING/) { $notices++; }
  349: 		if ($line=~/CRITICAL/) { $notices++; }
  350: 	    };
  351: 	    close (DFH);
  352: 	    print $fh "</pre>";
  353: 	}
  354:     }
  355: 
  356:     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
  357: 
  358:     my ($dev,$ino,$mode,$nlink,
  359: 	$uid,$gid,$rdev,$size,
  360: 	$atime,$mtime,$ctime,
  361: 	$blksize,$blocks)=stat($fname);
  362: 
  363:     if ($size>40000) {
  364: 	print $fh "Rotating logs ...<p>";
  365: 	rename("$fname.2","$fname.3");
  366: 	rename("$fname.1","$fname.2");
  367: 	rename("$fname","$fname.1");
  368:     }
  369: 
  370:     &errout($fh);
  371: }
  372: # ------------------------------------------------------------------------ lond
  373: 
  374: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
  375: 
  376: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  377: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
  378: while ($line=<DFH>) { 
  379:    print $fh "$line";
  380:    if ($line=~/INFO/) { $notices++; }
  381:    if ($line=~/WARNING/) { $notices++; }
  382:    if ($line=~/CRITICAL/) { $warnings++; }
  383: };
  384: close (DFH);
  385: }
  386: print $fh "</pre>";
  387: 
  388: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
  389: 
  390: my $restartflag=1;
  391: if (-e $londfile) {    
  392:    my $lfh=IO::File->new("$londfile");
  393:    my $londpid=<$lfh>;
  394:    chomp($londpid);
  395:    if (kill 0 => $londpid) {
  396:       print $fh "<h3>lond at pid $londpid responding</h3>";
  397:       $restartflag=0;
  398:    } else {
  399:       $errors++;
  400:       print $fh "<h3>lond at pid $londpid not responding</h3>";
  401:       # Intelligently handle this.
  402:       # Possibility #1: there is no process
  403:       # Solution: remove .pid file and restart
  404:       if (getpgrp($londpid)==-1) {
  405: 	  unlink($londfile);
  406: 	  $restartflag=1;
  407:       }
  408:       else {
  409:       # Possibility #2: there is a live process that is not responding
  410:       #                 for an unknown reason
  411:       # Solution: kill parent and children processes, remove .pid and restart
  412: 	  `killall -9 lond`;
  413: 	  unlink($londfile);
  414: 	  $restartflag=1;
  415:       }
  416:       print $fh 
  417: 	  "<h3>Deciding to clean up stale .pid file and restart lond</h3>";
  418:    }
  419: } 
  420: if ($restartflag==1) {
  421:    $errors++;
  422:    print $fh "<h3>lond not running, trying to start</h3>";
  423:    system(
  424:      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  425:    sleep 120 unless $qflag;
  426:    if (-e $londfile) {
  427:        print $fh "Seems like it started ...<p>";
  428:        my $lfh=IO::File->new("$londfile");
  429:        my $londpid=<$lfh>;
  430:        chomp($londpid);
  431:        sleep 30 unless $qflag;
  432:        if (kill 0 => $londpid) {
  433:           print $fh "<h3>lond at pid $londpid responding</h3>";
  434:        } else {
  435:           $errors++; $errors++;
  436:           print $fh "<h3>lond at pid $londpid not responding</h3>";
  437:           print $fh "Give it one more try ...<p>";
  438: 	  system(
  439:  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  440:           sleep 120 unless $qflag;
  441:        }
  442:    } else {
  443:        print $fh "Seems like that did not work!<p>";
  444:        $errors++;
  445:    }
  446:    if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  447:     print $fh "<p><pre>";
  448:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
  449:     while ($line=<DFH>) { 
  450:       print $fh "$line";
  451:       if ($line=~/WARNING/) { $notices++; }
  452:       if ($line=~/CRITICAL/) { $notices++; }
  453:     };
  454:     close (DFH);
  455:     print $fh "</pre>";
  456:    }
  457: }
  458: 
  459: $fname="$perlvar{'lonDaemons'}/logs/lond.log";
  460: 
  461:                           my ($dev,$ino,$mode,$nlink,
  462:                               $uid,$gid,$rdev,$size,
  463:                               $atime,$mtime,$ctime,
  464:                               $blksize,$blocks)=stat($fname);
  465: 
  466: if ($size>40000) {
  467:     print $fh "Rotating logs ...<p>";
  468:     rename("$fname.2","$fname.3");
  469:     rename("$fname.1","$fname.2");
  470:     rename("$fname","$fname.1");
  471: }
  472: 
  473: &errout($fh);
  474: # ------------------------------------------------------------------------ lonc
  475: 
  476: print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
  477: 
  478: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
  479: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
  480: while ($line=<DFH>) { 
  481:    print $fh "$line";
  482:    if ($line=~/INFO/) { $notices++; }
  483:    if ($line=~/WARNING/) { $notices++; }
  484:    if ($line=~/CRITICAL/) { $warnings++; }
  485: };
  486: close (DFH);
  487: }
  488: print $fh "</pre>";
  489: 
  490: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
  491: 
  492: $restartflag=1;
  493: if (-e $loncfile) {
  494:    my $lfh=IO::File->new("$loncfile");
  495:    my $loncpid=<$lfh>;
  496:    chomp($loncpid);
  497:    if (kill 0 => $loncpid) {
  498:       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
  499:       kill USR1 => $loncpid;
  500:       $restartflag=0;
  501:    } else {
  502:       $errors++;
  503:       print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  504:       # Intelligently handle this.
  505:       # Possibility #1: there is no process
  506:       # Solution: remove .pid file and restart
  507:       if (getpgrp($loncpid)==-1) {
  508: 	  unlink($loncfile);
  509: 	  $restartflag=1;
  510:       }
  511:       else {
  512:       # Possibility #2: there is a live process that is not responding
  513:       #                 for an unknown reason
  514:       # Solution: kill parent and children processes, remove .pid and restart
  515: 	  `killall -9 lonc`;
  516: 	  unlink($loncfile);
  517: 	  $restartflag=1;
  518:       }
  519:       print $fh 
  520: 	  "<h3>Deciding to clean up stale .pid file and restart lonc</h3>";
  521:    }
  522: } 
  523: if ($restartflag==1) {
  524:    $errors++;
  525:    print $fh "<h3>lonc not running, trying to start</h3>";
  526: 	system(
  527:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  528:    sleep 120 unless $qflag;
  529:    if (-e $loncfile) {
  530:        print $fh "Seems like it started ...<p>";
  531:        my $lfh=IO::File->new("$loncfile");
  532:        my $loncpid=<$lfh>;
  533:        chomp($loncpid);
  534:        sleep 30 unless $qflag;
  535:        if (kill 0 => $loncpid) {
  536:           print $fh "<h3>lonc at pid $loncpid responding</h3>";
  537:        } else {
  538:           $errors++; $errors++;
  539:           print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  540:           print $fh "Give it one more try ...<p>";
  541:  	  system(
  542:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  543:           sleep 120 unless $qflag;
  544:        }
  545:    } else {
  546:        print $fh "Seems like that did not work!<p>";
  547:        $errors++;
  548:    }
  549:    if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
  550:     print $fh "<p><pre>";
  551:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
  552:     while ($line=<DFH>) { 
  553:       print $fh "$line";
  554:       if ($line=~/WARNING/) { $notices++; }
  555:       if ($line=~/CRITICAL/) { $notices++; }
  556:     };
  557:     close (DFH);
  558:     print $fh "</pre>";
  559:    }
  560: }
  561: 
  562: $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
  563: 
  564:                           my ($dev,$ino,$mode,$nlink,
  565:                               $uid,$gid,$rdev,$size,
  566:                               $atime,$mtime,$ctime,
  567:                               $blksize,$blocks)=stat($fname);
  568: 
  569: if ($size>40000) {
  570:     print $fh "Rotating logs ...<p>";
  571:     rename("$fname.2","$fname.3");
  572:     rename("$fname.1","$fname.2");
  573:     rename("$fname","$fname.1");
  574: }
  575: 
  576:    
  577: &errout($fh);
  578: # ---------------------------------------------------------------------- lonnet
  579: 
  580: print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
  581: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
  582: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
  583: while ($line=<DFH>) { 
  584:     print $fh "$line";
  585: };
  586: close (DFH);
  587: }
  588: print $fh "</pre><h3>Perm Log</h3><pre>";
  589: 
  590: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
  591:     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
  592: while ($line=<DFH>) { 
  593:    print $fh "$line";
  594: };
  595: close (DFH);
  596: } else { print $fh "No perm log\n" }
  597: 
  598: $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
  599: 
  600:                           my ($dev,$ino,$mode,$nlink,
  601:                               $uid,$gid,$rdev,$size,
  602:                               $atime,$mtime,$ctime,
  603:                               $blksize,$blocks)=stat($fname);
  604: 
  605: if ($size>40000) {
  606:     print $fh "Rotating logs ...<p>";
  607:     rename("$fname.2","$fname.3");
  608:     rename("$fname.1","$fname.2");
  609:     rename("$fname","$fname.1");
  610: }
  611: 
  612: print $fh "</pre>";
  613: &errout($fh);
  614: # ----------------------------------------------------------------- Connections
  615: 
  616: print $fh '<hr><a name="connections"><h2>Connections</h2>';
  617: 
  618: print $fh "<table border=2>";
  619: foreach $tryserver (keys %hostname) {
  620: 
  621:     $answer=reply("pong",$tryserver);
  622:     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
  623: 	$result="<b>ok</b>";
  624:     } else {
  625:         $result=$answer;
  626:         $warnings++;
  627:         if ($answer eq 'con_lost') { $warnings++; }
  628:     }
  629:     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
  630: 
  631: }
  632: print $fh "</table>";
  633: 
  634: &errout($fh);
  635: # ------------------------------------------------------------ Delayed messages
  636: 
  637: print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
  638: 
  639: print $fh '<h3>Scanning Permanent Log</h3>';
  640: 
  641: $unsend=0;
  642: {
  643:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
  644:     while ($line=<$dfh>) {
  645: 	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
  646:         if ($sdf eq 'F') { 
  647: 	    $local=localtime($time);
  648:             print "<b>Failed: $time, $dserv, $dcmd</b><br>";
  649:             $warnings++;
  650:         }
  651:         if ($sdf eq 'S') { $unsend--; }
  652:         if ($sdf eq 'D') { $unsend++; }
  653:     }
  654: }
  655: print $fh "Total unsend messages: <b>$unsend</b><p>\n";
  656: $warnings=$warnings+5*$unsend;
  657: 
  658: print $fh "<h3>Outgoing Buffer</h3>";
  659: 
  660: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
  661: while ($line=<DFH>) { 
  662:     print $fh "$line<br>";
  663: };
  664: close (DFH);
  665: 
  666: # ------------------------------------------------------------------------- End
  667: print $fh "<a name=errcount>\n";
  668: $totalcount=$notices+4*$warnings+100*$errors;
  669: &errout($fh);
  670: print $fh "<h1>Total Error Count: $totalcount</h1>";
  671: $now=time;
  672: $date=localtime($now);
  673: print $fh "<hr>$date ($now)</body></html>\n";
  674: 
  675: }
  676: 
  677: rename ("$statusdir/newstatus.html","$statusdir/index.html");
  678: 
  679: if ($totalcount>200) {
  680:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
  681:    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
  682:    system(
  683:  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html")
  684:     unless $qflag;
  685: }
  686: 1;
  687: 
  688: 
  689: 
  690: 
  691: 
  692: 
  693: 
  694: 

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