File:  [LON-CAPA] / loncom / loncron
Revision 1.19: download - view: text, annotated - select for diffs
Wed Apr 11 13:37:39 2001 UTC (23 years ago) by harris41
Branches: MAIN
CVS tags: HEAD
making sure that lonReceipt and lonSqlAccess are not displayed
for lon-status/index.html -Scott

    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: # Dec 00 Scott Harrison
   13: # 12/23 Gerd Kortemeyer
   14: # 02/12/2001, 04/11/2001 Scott Harrison
   15: 
   16: use IO::File;
   17: use IO::Socket;
   18: 
   19: # -------------------------------------------------- Non-critical communication
   20: sub reply {
   21:     my ($cmd,$server)=@_;
   22:     my $peerfile="$perlvar{'lonSockDir'}/$server";
   23:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
   24:                                      Type    => SOCK_STREAM,
   25:                                      Timeout => 10)
   26:        or return "con_lost";
   27:     print $client "$cmd\n";
   28:     my $answer=<$client>;
   29:     chomp($answer);
   30:     if (!$answer) { $answer="con_lost"; }
   31:     return $answer;
   32: }
   33: 
   34: # --------------------------------------------------------- Output error status
   35: 
   36: sub errout {
   37:    my $fh=shift;
   38:    print $fh (<<ENDERROUT);
   39:      <p><table border=2 bgcolor="#CCCCCC">
   40:      <tr><td>Notices</td><td>$notices</td></tr>
   41:      <tr><td>Warnings</td><td>$warnings</td></tr>
   42:      <tr><td>Errors</td><td>$errors</td></tr>
   43:      </table><p><a href="#top">Top</a><p>
   44: ENDERROUT
   45: }
   46: 
   47: # ================================================================ Main Program
   48: 
   49: # ------------------------------------------------------------ Read access.conf
   50: {
   51:     my $config=IO::File->new("/etc/httpd/conf/access.conf");
   52: 
   53:     while (my $configline=<$config>) {
   54:         if ($configline =~ /PerlSetVar/) {
   55: 	   my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
   56:            $perlvar{$varname}=$varvalue;
   57:         }
   58:     }
   59:     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
   60:     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
   61: }
   62: 
   63: # --------------------------------------- Make sure that LON-CAPA is configured
   64: # I only test for one thing here (lonHostID).  This is just a safeguard.
   65: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
   66:    print("Unconfigured machine.\n");
   67:    $emailto=$perlvar{'lonSysEMail'};
   68:    $hostname=`/bin/hostname`;
   69:    chop $hostname;
   70:    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
   71:    $subj="LON: Unconfigured machine $hostname";
   72:    system("echo 'Unconfigured machine $hostname.' |\
   73:  mailto $emailto -s '$subj' > /dev/null");
   74:     exit 1;
   75: }
   76: 
   77: # ----------------------------- Make sure this process is running from user=www
   78: my $wwwid=getpwnam('www');
   79: if ($wwwid!=$<) {
   80:    print("User ID mismatch.  This program must be run as user 'www'\n");
   81:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   82:    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
   83:    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
   84:  mailto $emailto -s '$subj' > /dev/null");
   85:    exit 1;
   86: }
   87: 
   88: # ------------------------------------------------------------- Read hosts file
   89: {
   90:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
   91: 
   92:     while (my $configline=<$config>) {
   93:        my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
   94:        $hostname{$id}=$name;
   95:        $hostdom{$id}=$domain;
   96:        $hostrole{$id}=$role;
   97:        $hostip{$id}=$ip;
   98:        if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
   99: 	   $libserv{$id}=$name;
  100:        }
  101:     }
  102: }
  103: 
  104: # ------------------------------------------------------ Read spare server file
  105: {
  106:     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
  107: 
  108:     while (my $configline=<$config>) {
  109:        chomp($configline);
  110:        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
  111:           $spareid{$configline}=1;
  112:        }
  113:     }
  114: }
  115: 
  116: # ---------------------------------------------------------------- Start report
  117: 
  118: $statusdir="/home/httpd/html/lon-status";
  119: 
  120: $errors=0;
  121: $warnings=0;
  122: $notices=0;
  123: 
  124: $now=time;
  125: $date=localtime($now);
  126: 
  127: {
  128: my $fh=IO::File->new(">$statusdir/newstatus.html");
  129: 
  130: print $fh (<<ENDHEADERS);
  131: <html>
  132: <head>
  133: <title>LON Status Report $perlvar{'lonHostID'}</title>
  134: </head>
  135: <body bgcolor="#AAAAAA">
  136: <a name="top">
  137: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
  138: <h2>$date ($now)</h2>
  139: <ol>
  140: <li><a href="#configuration">Configuration</a>
  141: <li><a href="#machine">Machine Information</a>
  142: <li><a href="#tmp">Temporary Files</a>
  143: <li><a href="#tokens">Session Tokens</a>
  144: <li><a href="#httpd">httpd</a>
  145: <li><a href="#lonsql">lonsql</a>
  146: <li><a href="#lond">lond</a>
  147: <li><a href="#lonc">lonc</a>
  148: <li><a href="#lonnet">lonnet</a>
  149: <li><a href="#connections">Connections</a>
  150: <li><a href="#delayed">Delayed Messages</a>
  151: <li><a href="#errcount">Error Count</a>
  152: </ol>
  153: <hr>
  154: <a name="configuration">
  155: <h2>Configuration</h2>
  156: <h3>PerlVars</h3>
  157: <table border=2>
  158: ENDHEADERS
  159: 
  160: foreach $varname (keys %perlvar) {
  161:     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
  162: }
  163: print $fh "</table><h3>Hosts</h3><table border=2>";
  164: foreach $id (keys %hostname) {
  165: print $fh 
  166:     "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
  167: print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
  168: }
  169: print $fh "</table><h3>Spare Hosts</h3><ol>";
  170: foreach $id (keys %spareid) {
  171:     print $fh "<li>$id\n";
  172: }
  173: 
  174: print $fh "</ol>\n";
  175: 
  176: # --------------------------------------------------------------------- Machine
  177: 
  178: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
  179: print $fh "<h3>loadavg</h3>";
  180: 
  181: open (LOADAVGH,"/proc/loadavg");
  182: $loadavg=<LOADAVGH>;
  183: close (LOADAVGH);
  184: 
  185: print $fh "<tt>$loadavg</tt>";
  186: 
  187: @parts=split(/\s+/,$loadavg);
  188: if ($parts[1]>4.0) {
  189:     $errors++;
  190: } elsif ($parts[1]>2.0) {
  191:     $warnings++;
  192: } elsif ($parts[1]>1.0) {
  193:     $notices++;
  194: }
  195: 
  196: print $fh "<h3>df</h3>";
  197: print $fh "<pre>";
  198: 
  199: open (DFH,"df|");
  200: while ($line=<DFH>) { 
  201:    print $fh "$line"; 
  202:    @parts=split(/\s+/,$line);
  203:    $usage=$parts[4];
  204:    $usage=~s/\W//g;
  205:    if ($usage>90) { 
  206:       $warnings++; 
  207:    } elsif ($usage>80) {
  208:       $warnings++;
  209:    } elsif ($usage>60) {
  210:       $notices++;
  211:    }
  212:    if ($usage>95) { $warnings++; $warnings++ }
  213: }
  214: close (DFH);
  215: print $fh "</pre>";
  216: &errout($fh);
  217: 
  218: # --------------------------------------------------------------- clean out tmp
  219: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
  220: $cleaned=0;
  221: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
  222:                           my ($dev,$ino,$mode,$nlink,
  223:                               $uid,$gid,$rdev,$size,
  224:                               $atime,$mtime,$ctime,
  225:                               $blksize,$blocks)=stat($fname);
  226:                           $now=time;
  227:                           $since=$now-$mtime;
  228:                           if ($since>$perlvar{'lonExpire'}) {
  229:                               $cleaned++;
  230:                               unlink("$fname");
  231:                           }
  232:     
  233: }
  234: print $fh "Cleaned up ".$cleaned." files.";
  235: 
  236: # ------------------------------------------------------------ clean out lonIDs
  237: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
  238: $cleaned=0;
  239: $active=0;
  240: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
  241:                           my ($dev,$ino,$mode,$nlink,
  242:                               $uid,$gid,$rdev,$size,
  243:                               $atime,$mtime,$ctime,
  244:                               $blksize,$blocks)=stat($fname);
  245:                           $now=time;
  246:                           $since=$now-$mtime;
  247:                           if ($since>$perlvar{'lonExpire'}) {
  248:                               $cleaned++;
  249:                               print $fh "Unlinking $fname<br>";
  250:                               unlink("$fname");
  251:                           } else {
  252:                               $active++;
  253:                           }
  254:     
  255: }
  256: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
  257: print $fh "<h3>$active open session(s)</h3>";
  258: 
  259: # ----------------------------------------------------------------------- httpd
  260: 
  261: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
  262: 
  263: open (DFH,"tail -n40 /etc/httpd/logs/access_log|");
  264: while ($line=<DFH>) { print $fh "$line" };
  265: close (DFH);
  266: 
  267: print $fh "</pre><h3>Error Log</h3><pre>";
  268: 
  269: open (DFH,"tail -n50 /etc/httpd/logs/error_log|");
  270: while ($line=<DFH>) { 
  271:    print $fh "$line";
  272:    if ($line=~/\[error\]/) { $notices++; } 
  273: };
  274: close (DFH);
  275: print $fh "</pre>";
  276: &errout($fh);
  277: 
  278: 
  279: # ---------------------------------------------------------------------- lonsql
  280: #
  281: # Do not run for now
  282: #
  283: if ($perlvar{'lonRole'} eq "library") {
  284: 
  285:     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
  286:     
  287:     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  288: 	open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  289: 	while ($line=<DFH>) { 
  290: 	    print $fh "$line";
  291: 	    if ($line=~/INFO/) { $notices++; }
  292: 	    if ($line=~/WARNING/) { $notices++; }
  293: 	    if ($line=~/CRITICAL/) { $warnings++; }
  294: 	};
  295: 	close (DFH);
  296:     }
  297:     print $fh "</pre>";
  298:     
  299:     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
  300:     
  301:     if (-e $lonsqlfile) {
  302: 	my $lfh=IO::File->new("$lonsqlfile");
  303: 	my $lonsqlpid=<$lfh>;
  304: 	chomp($lonsqlpid);
  305: 	if (kill 0 => $lonsqlpid) {
  306: 	    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  307: 	} else {
  308: 	    $errors++; $errors++;
  309: 	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  310: 	}
  311:     } else {
  312: 	$errors++;
  313: 	print $fh "<h3>lonsql not running, trying to start</h3>";
  314: 	system(
  315:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  316: 	sleep 120;
  317: 	if (-e $lonsqlfile) {
  318: 	    print $fh "Seems like it started ...<p>";
  319: 	    my $lfh=IO::File->new("$lonsqlfile");
  320: 	    my $lonsqlpid=<$lfh>;
  321: 	    chomp($lonsqlpid);
  322: 	    sleep 30;
  323: 	    if (kill 0 => $lonsqlpid) {
  324: 		print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  325: 	    } else {
  326: 		$errors++; $errors++;
  327: 		print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  328: 		print $fh "Give it one more try ...<p>";
  329: 		system(
  330:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  331: 		sleep 120;
  332: 	    }
  333: 	} else {
  334: 	    print $fh "Seems like that did not work!<p>";
  335: 	    $errors++;
  336: 	}
  337: 	if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  338: 	    print $fh "<p><pre>";
  339: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  340: 	    while ($line=<DFH>) { 
  341: 		print $fh "$line";
  342: 		if ($line=~/WARNING/) { $notices++; }
  343: 		if ($line=~/CRITICAL/) { $notices++; }
  344: 	    };
  345: 	    close (DFH);
  346: 	    print $fh "</pre>";
  347: 	}
  348:     }
  349: 
  350:     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
  351: 
  352:     my ($dev,$ino,$mode,$nlink,
  353: 	$uid,$gid,$rdev,$size,
  354: 	$atime,$mtime,$ctime,
  355: 	$blksize,$blocks)=stat($fname);
  356: 
  357:     if ($size>40000) {
  358: 	print $fh "Rotating logs ...<p>";
  359: 	rename("$fname.2","$fname.3");
  360: 	rename("$fname.1","$fname.2");
  361: 	rename("$fname","$fname.1");
  362:     }
  363: 
  364:     &errout($fh);
  365: }
  366: # ------------------------------------------------------------------------ lond
  367: 
  368: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
  369: 
  370: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  371: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
  372: while ($line=<DFH>) { 
  373:    print $fh "$line";
  374:    if ($line=~/INFO/) { $notices++; }
  375:    if ($line=~/WARNING/) { $notices++; }
  376:    if ($line=~/CRITICAL/) { $warnings++; }
  377: };
  378: close (DFH);
  379: }
  380: print $fh "</pre>";
  381: 
  382: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
  383: 
  384: my $restartflag=1;
  385: if (-e $londfile) {    
  386:    my $lfh=IO::File->new("$londfile");
  387:    my $londpid=<$lfh>;
  388:    chomp($londpid);
  389:    if (kill 0 => $londpid) {
  390:       print $fh "<h3>lond at pid $londpid responding</h3>";
  391:       $restartflag=0;
  392:    } else {
  393:       $errors++;
  394:       print $fh "<h3>lond at pid $londpid not responding</h3>";
  395:       # Intelligently handle this.
  396:       # Possibility #1: there is no process
  397:       # Solution: remove .pid file and restart
  398:       if (getpgrp($londpid)==-1) {
  399: 	  unlink($londfile);
  400: 	  $restartflag=1;
  401:       }
  402:       else {
  403:       # Possibility #2: there is a live process that is not responding
  404:       #                 for an unknown reason
  405:       # Solution: kill parent and children processes, remove .pid and restart
  406: 	  `killall -9 lond`;
  407: 	  unlink($londfile);
  408: 	  $restartflag=1;
  409:       }
  410:       print $fh 
  411: 	  "<h3>Deciding to clean up stale .pid file and restart lond</h3>";
  412:    }
  413: } 
  414: if ($restartflag==1) {
  415:    $errors++;
  416:    print $fh "<h3>lond not running, trying to start</h3>";
  417:    system(
  418:      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  419:    sleep 120;
  420:    if (-e $londfile) {
  421:        print $fh "Seems like it started ...<p>";
  422:        my $lfh=IO::File->new("$londfile");
  423:        my $londpid=<$lfh>;
  424:        chomp($londpid);
  425:        sleep 30;
  426:        if (kill 0 => $londpid) {
  427:           print $fh "<h3>lond at pid $londpid responding</h3>";
  428:        } else {
  429:           $errors++; $errors++;
  430:           print $fh "<h3>lond at pid $londpid not responding</h3>";
  431:           print $fh "Give it one more try ...<p>";
  432: 	  system(
  433:  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
  434:           sleep 120;
  435:        }
  436:    } else {
  437:        print $fh "Seems like that did not work!<p>";
  438:        $errors++;
  439:    }
  440:    if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  441:     print $fh "<p><pre>";
  442:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
  443:     while ($line=<DFH>) { 
  444:       print $fh "$line";
  445:       if ($line=~/WARNING/) { $notices++; }
  446:       if ($line=~/CRITICAL/) { $notices++; }
  447:     };
  448:     close (DFH);
  449:     print $fh "</pre>";
  450:    }
  451: }
  452: 
  453: $fname="$perlvar{'lonDaemons'}/logs/lond.log";
  454: 
  455:                           my ($dev,$ino,$mode,$nlink,
  456:                               $uid,$gid,$rdev,$size,
  457:                               $atime,$mtime,$ctime,
  458:                               $blksize,$blocks)=stat($fname);
  459: 
  460: if ($size>40000) {
  461:     print $fh "Rotating logs ...<p>";
  462:     rename("$fname.2","$fname.3");
  463:     rename("$fname.1","$fname.2");
  464:     rename("$fname","$fname.1");
  465: }
  466: 
  467: &errout($fh);
  468: # ------------------------------------------------------------------------ lonc
  469: 
  470: print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
  471: 
  472: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
  473: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
  474: while ($line=<DFH>) { 
  475:    print $fh "$line";
  476:    if ($line=~/INFO/) { $notices++; }
  477:    if ($line=~/WARNING/) { $notices++; }
  478:    if ($line=~/CRITICAL/) { $warnings++; }
  479: };
  480: close (DFH);
  481: }
  482: print $fh "</pre>";
  483: 
  484: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
  485: 
  486: $restartflag=1;
  487: if (-e $loncfile) {
  488:    my $lfh=IO::File->new("$loncfile");
  489:    my $loncpid=<$lfh>;
  490:    chomp($loncpid);
  491:    if (kill 0 => $loncpid) {
  492:       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
  493:       kill USR1 => $loncpid;
  494:       $restartflag=0;
  495:    } else {
  496:       $errors++;
  497:       print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  498:       # Intelligently handle this.
  499:       # Possibility #1: there is no process
  500:       # Solution: remove .pid file and restart
  501:       if (getpgrp($loncpid)==-1) {
  502: 	  unlink($loncfile);
  503: 	  $restartflag=1;
  504:       }
  505:       else {
  506:       # Possibility #2: there is a live process that is not responding
  507:       #                 for an unknown reason
  508:       # Solution: kill parent and children processes, remove .pid and restart
  509: 	  `killall -9 lonc`;
  510: 	  unlink($loncfile);
  511: 	  $restartflag=1;
  512:       }
  513:       print $fh 
  514: 	  "<h3>Deciding to clean up stale .pid file and restart lonc</h3>";
  515:    }
  516: } 
  517: if ($restartflag==1) {
  518:    $errors++;
  519:    print $fh "<h3>lonc not running, trying to start</h3>";
  520: 	system(
  521:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  522:    sleep 120;
  523:    if (-e $loncfile) {
  524:        print $fh "Seems like it started ...<p>";
  525:        my $lfh=IO::File->new("$loncfile");
  526:        my $loncpid=<$lfh>;
  527:        chomp($loncpid);
  528:        sleep 30;
  529:        if (kill 0 => $loncpid) {
  530:           print $fh "<h3>lonc at pid $loncpid responding</h3>";
  531:        } else {
  532:           $errors++; $errors++;
  533:           print $fh "<h3>lonc at pid $loncpid not responding</h3>";
  534:           print $fh "Give it one more try ...<p>";
  535:  	  system(
  536:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
  537:           sleep 120;
  538:        }
  539:    } else {
  540:        print $fh "Seems like that did not work!<p>";
  541:        $errors++;
  542:    }
  543:    if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
  544:     print $fh "<p><pre>";
  545:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
  546:     while ($line=<DFH>) { 
  547:       print $fh "$line";
  548:       if ($line=~/WARNING/) { $notices++; }
  549:       if ($line=~/CRITICAL/) { $notices++; }
  550:     };
  551:     close (DFH);
  552:     print $fh "</pre>";
  553:    }
  554: }
  555: 
  556: $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
  557: 
  558:                           my ($dev,$ino,$mode,$nlink,
  559:                               $uid,$gid,$rdev,$size,
  560:                               $atime,$mtime,$ctime,
  561:                               $blksize,$blocks)=stat($fname);
  562: 
  563: if ($size>40000) {
  564:     print $fh "Rotating logs ...<p>";
  565:     rename("$fname.2","$fname.3");
  566:     rename("$fname.1","$fname.2");
  567:     rename("$fname","$fname.1");
  568: }
  569: 
  570:    
  571: &errout($fh);
  572: # ---------------------------------------------------------------------- lonnet
  573: 
  574: print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
  575: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
  576: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
  577: while ($line=<DFH>) { 
  578:     print $fh "$line";
  579: };
  580: close (DFH);
  581: }
  582: print $fh "</pre><h3>Perm Log</h3><pre>";
  583: 
  584: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
  585:     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
  586: while ($line=<DFH>) { 
  587:    print $fh "$line";
  588: };
  589: close (DFH);
  590: } else { print $fh "No perm log\n" }
  591: 
  592: $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
  593: 
  594:                           my ($dev,$ino,$mode,$nlink,
  595:                               $uid,$gid,$rdev,$size,
  596:                               $atime,$mtime,$ctime,
  597:                               $blksize,$blocks)=stat($fname);
  598: 
  599: if ($size>40000) {
  600:     print $fh "Rotating logs ...<p>";
  601:     rename("$fname.2","$fname.3");
  602:     rename("$fname.1","$fname.2");
  603:     rename("$fname","$fname.1");
  604: }
  605: 
  606: print $fh "</pre>";
  607: &errout($fh);
  608: # ----------------------------------------------------------------- Connections
  609: 
  610: print $fh '<hr><a name="connections"><h2>Connections</h2>';
  611: 
  612: print $fh "<table border=2>";
  613: foreach $tryserver (keys %hostname) {
  614: 
  615:     $answer=reply("pong",$tryserver);
  616:     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
  617: 	$result="<b>ok</b>";
  618:     } else {
  619:         $result=$answer;
  620:         $warnings++;
  621:         if ($answer eq 'con_lost') { $warnings++; }
  622:     }
  623:     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
  624: 
  625: }
  626: print $fh "</table>";
  627: 
  628: &errout($fh);
  629: # ------------------------------------------------------------ Delayed messages
  630: 
  631: print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
  632: 
  633: print $fh '<h3>Scanning Permanent Log</h3>';
  634: 
  635: $unsend=0;
  636: {
  637:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
  638:     while ($line=<$dfh>) {
  639: 	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
  640:         if ($sdf eq 'F') { 
  641: 	    $local=localtime($time);
  642:             print "<b>Failed: $time, $dserv, $dcmd</b><br>";
  643:             $warnings++;
  644:         }
  645:         if ($sdf eq 'S') { $unsend--; }
  646:         if ($sdf eq 'D') { $unsend++; }
  647:     }
  648: }
  649: print $fh "Total unsend messages: <b>$unsend</b><p>\n";
  650: $warnings=$warnings+5*$unsend;
  651: 
  652: print $fh "<h3>Outgoing Buffer</h3>";
  653: 
  654: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
  655: while ($line=<DFH>) { 
  656:     print $fh "$line<br>";
  657: };
  658: close (DFH);
  659: 
  660: # ------------------------------------------------------------------------- End
  661: print $fh "<a name=errcount>\n";
  662: $totalcount=$notices+4*$warnings+100*$errors;
  663: &errout($fh);
  664: print $fh "<h1>Total Error Count: $totalcount</h1>";
  665: $now=time;
  666: $date=localtime($now);
  667: print $fh "<hr>$date ($now)</body></html>\n";
  668: 
  669: }
  670: 
  671: rename ("$statusdir/newstatus.html","$statusdir/index.html");
  672: 
  673: if ($totalcount>200) {
  674:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
  675:    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
  676:    system(
  677:  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
  678: }
  679: 1;
  680: 
  681: 
  682: 
  683: 
  684: 
  685: 
  686: 
  687: 

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