File:  [LON-CAPA] / loncom / loncron
Revision 1.27: download - view: text, annotated - select for diffs
Fri May 17 16:19:24 2002 UTC (21 years, 11 months ago) by matthew
Branches: MAIN
CVS tags: HEAD
access.conf -> loncapa_apache.conf

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

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