File:  [LON-CAPA] / loncom / loncron
Revision 1.24: download - view: text, annotated - select for diffs
Thu Sep 6 19:28:06 2001 UTC (22 years, 8 months ago) by www
Branches: MAIN
CVS tags: stable_2001_fall, HEAD
Able to start loncron through web server

    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 Gerd Kortemeyer
   17: 
   18: $|=1;
   19: 
   20: use IO::File;
   21: use IO::Socket;
   22: 
   23: # -------------------------------------------------- Non-critical communication
   24: sub reply {
   25:     my ($cmd,$server)=@_;
   26:     my $peerfile="$perlvar{'lonSockDir'}/$server";
   27:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
   28:                                      Type    => SOCK_STREAM,
   29:                                      Timeout => 10)
   30:        or return "con_lost";
   31:     print $client "$cmd\n";
   32:     my $answer=<$client>;
   33:     chomp($answer);
   34:     if (!$answer) { $answer="con_lost"; }
   35:     return $answer;
   36: }
   37: 
   38: # --------------------------------------------------------- Output error status
   39: 
   40: sub errout {
   41:    my $fh=shift;
   42:    print $fh (<<ENDERROUT);
   43:      <p><table border=2 bgcolor="#CCCCCC">
   44:      <tr><td>Notices</td><td>$notices</td></tr>
   45:      <tr><td>Warnings</td><td>$warnings</td></tr>
   46:      <tr><td>Errors</td><td>$errors</td></tr>
   47:      </table><p><a href="#top">Top</a><p>
   48: ENDERROUT
   49: }
   50: 
   51: # ================================================================ Main Program
   52: 
   53: # ------------------------------------------------------------ Read access.conf
   54: {
   55:     my $config=IO::File->new("/etc/httpd/conf/access.conf");
   56: 
   57:     while (my $configline=<$config>) {
   58:         if ($configline =~ /PerlSetVar/) {
   59: 	   my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
   60:            $perlvar{$varname}=$varvalue;
   61:         }
   62:     }
   63:     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
   64:     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
   65: }
   66: 
   67: # --------------------------------------- Make sure that LON-CAPA is configured
   68: # I only test for one thing here (lonHostID).  This is just a safeguard.
   69: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
   70:    print("Unconfigured machine.\n");
   71:    $emailto=$perlvar{'lonSysEMail'};
   72:    $hostname=`/bin/hostname`;
   73:    chop $hostname;
   74:    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
   75:    $subj="LON: Unconfigured machine $hostname";
   76:    system("echo 'Unconfigured machine $hostname.' |\
   77:  mailto $emailto -s '$subj' > /dev/null");
   78:     exit 1;
   79: }
   80: 
   81: # ----------------------------- Make sure this process is running from user=www
   82: my $wwwid=getpwnam('www');
   83: if ($wwwid!=$<) {
   84:    print("User ID mismatch.  This program must be run as user 'www'\n");
   85:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   86:    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
   87:    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
   88:  mailto $emailto -s '$subj' > /dev/null");
   89:    exit 1;
   90: }
   91: 
   92: # ------------------------------------------------------------- Read hosts file
   93: {
   94:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
   95: 
   96:     while (my $configline=<$config>) {
   97:        my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
   98:        $hostname{$id}=$name;
   99:        $hostdom{$id}=$domain;
  100:        $hostrole{$id}=$role;
  101:        $hostip{$id}=$ip;
  102:        if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
  103: 	   $libserv{$id}=$name;
  104:        }
  105:     }
  106: }
  107: 
  108: # ------------------------------------------------------ Read spare server file
  109: {
  110:     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
  111: 
  112:     while (my $configline=<$config>) {
  113:        chomp($configline);
  114:        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
  115:           $spareid{$configline}=1;
  116:        }
  117:     }
  118: }
  119: 
  120: # ---------------------------------------------------------------- Start report
  121: 
  122: $statusdir="/home/httpd/html/lon-status";
  123: 
  124: $errors=0;
  125: $warnings=0;
  126: $notices=0;
  127: 
  128: $now=time;
  129: $date=localtime($now);
  130: 
  131: {
  132: my $fh=IO::File->new(">$statusdir/newstatus.html");
  133: 
  134: print $fh (<<ENDHEADERS);
  135: <html>
  136: <head>
  137: <title>LON Status Report $perlvar{'lonHostID'}</title>
  138: </head>
  139: <body bgcolor="#AAAAAA">
  140: <a name="top">
  141: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
  142: <h2>$date ($now)</h2>
  143: <ol>
  144: <li><a href="#configuration">Configuration</a>
  145: <li><a href="#machine">Machine Information</a>
  146: <li><a href="#tmp">Temporary Files</a>
  147: <li><a href="#tokens">Session Tokens</a>
  148: <li><a href="#httpd">httpd</a>
  149: <li><a href="#lonsql">lonsql</a>
  150: <li><a href="#lond">lond</a>
  151: <li><a href="#lonc">lonc</a>
  152: <li><a href="#lonnet">lonnet</a>
  153: <li><a href="#connections">Connections</a>
  154: <li><a href="#delayed">Delayed Messages</a>
  155: <li><a href="#errcount">Error Count</a>
  156: </ol>
  157: <hr>
  158: <a name="configuration">
  159: <h2>Configuration</h2>
  160: <h3>PerlVars</h3>
  161: <table border=2>
  162: ENDHEADERS
  163: 
  164: foreach $varname (keys %perlvar) {
  165:     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
  166: }
  167: print $fh "</table><h3>Hosts</h3><table border=2>";
  168: foreach $id (keys %hostname) {
  169: print $fh 
  170:     "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
  171: print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
  172: }
  173: print $fh "</table><h3>Spare Hosts</h3><ol>";
  174: foreach $id (keys %spareid) {
  175:     print $fh "<li>$id\n";
  176: }
  177: 
  178: print $fh "</ol>\n";
  179: 
  180: # --------------------------------------------------------------------- Machine
  181: 
  182: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
  183: print $fh "<h3>loadavg</h3>";
  184: 
  185: open (LOADAVGH,"/proc/loadavg");
  186: $loadavg=<LOADAVGH>;
  187: close (LOADAVGH);
  188: 
  189: print $fh "<tt>$loadavg</tt>";
  190: 
  191: @parts=split(/\s+/,$loadavg);
  192: if ($parts[1]>4.0) {
  193:     $errors++;
  194: } elsif ($parts[1]>2.0) {
  195:     $warnings++;
  196: } elsif ($parts[1]>1.0) {
  197:     $notices++;
  198: }
  199: 
  200: print $fh "<h3>df</h3>";
  201: print $fh "<pre>";
  202: 
  203: open (DFH,"df|");
  204: while ($line=<DFH>) { 
  205:    print $fh "$line"; 
  206:    @parts=split(/\s+/,$line);
  207:    $usage=$parts[4];
  208:    $usage=~s/\W//g;
  209:    if ($usage>90) { 
  210:       $warnings++;
  211:       $notices++; 
  212:    } elsif ($usage>80) {
  213:       $warnings++;
  214:    } elsif ($usage>60) {
  215:       $notices++;
  216:    }
  217:    if ($usage>95) { $warnings++; $warnings++ }
  218: }
  219: close (DFH);
  220: print $fh "</pre>";
  221: 
  222: 
  223: print $fh "<h3>ps</h3>";
  224: print $fh "<pre>";
  225: $psproc=0;
  226: 
  227: open (PSH,"ps -aux|");
  228: while ($line=<PSH>) { 
  229:    print $fh "$line"; 
  230:    $psproc++;
  231: }
  232: close (PSH);
  233: print $fh "</pre>";
  234: 
  235: if ($psproc>200) { $notices++; }
  236: if ($psproc>250) { $notices++; }
  237: 
  238: &errout($fh);
  239: 
  240: # --------------------------------------------------------------- clean out tmp
  241: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
  242: $cleaned=0;
  243: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
  244:                           my ($dev,$ino,$mode,$nlink,
  245:                               $uid,$gid,$rdev,$size,
  246:                               $atime,$mtime,$ctime,
  247:                               $blksize,$blocks)=stat($fname);
  248:                           $now=time;
  249:                           $since=$now-$mtime;
  250:                           if ($since>$perlvar{'lonExpire'}) {
  251:                               $cleaned++;
  252:                               unlink("$fname");
  253:                           }
  254:     
  255: }
  256: print $fh "Cleaned up ".$cleaned." files.";
  257: 
  258: # ------------------------------------------------------------ clean out lonIDs
  259: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
  260: $cleaned=0;
  261: $active=0;
  262: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
  263:                           my ($dev,$ino,$mode,$nlink,
  264:                               $uid,$gid,$rdev,$size,
  265:                               $atime,$mtime,$ctime,
  266:                               $blksize,$blocks)=stat($fname);
  267:                           $now=time;
  268:                           $since=$now-$mtime;
  269:                           if ($since>$perlvar{'lonExpire'}) {
  270:                               $cleaned++;
  271:                               print $fh "Unlinking $fname<br>";
  272:                               unlink("$fname");
  273:                           } else {
  274:                               $active++;
  275:                           }
  276:     
  277: }
  278: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
  279: print $fh "<h3>$active open session(s)</h3>";
  280: 
  281: # ----------------------------------------------------------------------- httpd
  282: 
  283: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
  284: 
  285: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
  286: while ($line=<DFH>) { print $fh "$line" };
  287: close (DFH);
  288: 
  289: print $fh "</pre><h3>Error Log</h3><pre>";
  290: 
  291: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
  292: while ($line=<DFH>) { 
  293:    print $fh "$line";
  294:    if ($line=~/\[error\]/) { $notices++; } 
  295: };
  296: close (DFH);
  297: print $fh "</pre>";
  298: &errout($fh);
  299: 
  300: 
  301: # ---------------------------------------------------------------------- lonsql
  302: 
  303: my $restartflag=1;
  304: if ($perlvar{'lonRole'} eq "library") {
  305: 
  306:     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
  307:     print "lonsql\n";
  308:     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  309: 	open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  310: 	while ($line=<DFH>) { 
  311: 	    print $fh "$line";
  312: 	    if ($line=~/INFO/) { $notices++; }
  313: 	    if ($line=~/WARNING/) { $notices++; }
  314: 	    if ($line=~/CRITICAL/) { $warnings++; }
  315: 	};
  316: 	close (DFH);
  317:     }
  318:     print $fh "</pre>";
  319:     
  320:     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
  321:  
  322:     $restartflag=1;
  323:    
  324:     if (-e $lonsqlfile) {
  325: 	my $lfh=IO::File->new("$lonsqlfile");
  326: 	my $lonsqlpid=<$lfh>;
  327: 	chomp($lonsqlpid);
  328: 	if (kill 0 => $lonsqlpid) {
  329: 	    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  330: 	    $restartflag=0;
  331: 	} else {
  332: 	    $errors++; $errors++;
  333: 	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  334: 		$restartflag=1;
  335: 	print $fh 
  336: 	    "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
  337: 	}
  338:     }
  339:     if ($restartflag==1) {
  340: 	$errors++;
  341: 	         print $fh '<br><font color="red">Killall lonsql: '.
  342:                     system('killall lonsql').' - ';
  343:                     sleep 60;
  344:                     print $fh unlink($lonsqlfile).' - '.
  345:                               system('killall -9 lonsql').
  346:                     '</font><br>';
  347: 	print $fh "<h3>lonsql not running, trying to start</h3>";
  348: 	system(
  349:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  350: 	sleep 10;
  351: 	if (-e $lonsqlfile) {
  352: 	    print $fh "Seems like it started ...<p>";
  353: 	    my $lfh=IO::File->new("$lonsqlfile");
  354: 	    my $lonsqlpid=<$lfh>;
  355: 	    chomp($lonsqlpid);
  356: 	    sleep 30;
  357: 	    if (kill 0 => $lonsqlpid) {
  358: 		print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
  359: 	    } else {
  360: 		$errors++; $errors++;
  361: 		print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
  362: 		print $fh "Give it one more try ...<p>";
  363: 		system(
  364:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  365: 		sleep 10;
  366: 	    }
  367: 	} else {
  368: 	    print $fh "Seems like that did not work!<p>";
  369: 	    $errors++;
  370: 	}
  371: 	if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  372: 	    print $fh "<p><pre>";
  373: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  374: 	    while ($line=<DFH>) { 
  375: 		print $fh "$line";
  376: 		if ($line=~/WARNING/) { $notices++; }
  377: 		if ($line=~/CRITICAL/) { $notices++; }
  378: 	    };
  379: 	    close (DFH);
  380: 	    print $fh "</pre>";
  381: 	}
  382:     }
  383: 
  384:     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
  385: 
  386:     my ($dev,$ino,$mode,$nlink,
  387: 	$uid,$gid,$rdev,$size,
  388: 	$atime,$mtime,$ctime,
  389: 	$blksize,$blocks)=stat($fname);
  390: 
  391:     if ($size>40000) {
  392: 	print $fh "Rotating logs ...<p>";
  393: 	rename("$fname.2","$fname.3");
  394: 	rename("$fname.1","$fname.2");
  395: 	rename("$fname","$fname.1");
  396:     }
  397: 
  398:     &errout($fh);
  399: }
  400: # ------------------------------------------------------------------------ lond
  401: 
  402: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
  403: print "lond\n";
  404: 
  405: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
  406: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
  407: while ($line=<DFH>) { 
  408:    print $fh "$line";
  409:    if ($line=~/INFO/) { $notices++; }
  410:    if ($line=~/WARNING/) { $notices++; }
  411:    if ($line=~/CRITICAL/) { $warnings++; }
  412: };
  413: close (DFH);
  414: }
  415: print $fh "</pre>";
  416: 
  417: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
  418: 
  419: $restartflag=1;
  420: if (-e $londfile) {    
  421:    my $lfh=IO::File->new("$londfile");
  422:    my $londpid=<$lfh>;
  423:    chomp($londpid);
  424:    if (kill 0 => $londpid) {
  425:       print $fh "<h3>lond at pid $londpid responding</h3>";
  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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