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Diff for /loncom/loncron between versions 1.23 and 1.63.2.2

version 1.23, 2001/09/04 17:58:44 version 1.63.2.2, 2006/03/07 20:02:31
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
   
 # The LearningOnline Network  # Housekeeping program, started by cron, loncontrol and loncron.pl
 # Housekeeping program, started by cron  
 #  #
 # (TCP networking package  # $Id$
 # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,  #
 # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)  # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
 #  #
 # 7/14,7/15,7/19,7/21,7/22,11/18,  
 # 2/8 Gerd Kortemeyer  $|=1;
 # 12/6/2000,12/8 Scott Harrison  use strict;
 # 12/23 Gerd Kortemeyer  
 # YEAR=2001  use lib '/home/httpd/lib/perl/';
 # 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21,8/27 Scott Harrison  use LONCAPA::Configuration;
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
   use HTML::Entities;
   use Getopt::Long;
   #globals
   use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
   
   my $statusdir="/home/httpd/html/lon-status";
   
 my $qflag=0;  
 if (@ARGV) {  
     my $arg=shift @ARGV;  
     $qflag=1 if $arg eq 'quick';  
 }  
   
 # -------------------------------------------------- Non-critical communication  # -------------------------------------------------- Non-critical communication
 sub reply {  sub reply {
Line 40  sub reply { Line 60  sub reply {
   
 # --------------------------------------------------------- Output error status  # --------------------------------------------------------- Output error status
   
   sub log {
       my $fh=shift;
       if ($fh) { print $fh @_  }
   }
   
 sub errout {  sub errout {
    my $fh=shift;     my $fh=shift;
    print $fh (<<ENDERROUT);     &log($fh,(<<ENDERROUT));
      <p><table border=2 bgcolor="#CCCCCC">       <table border="2" bgcolor="#CCCCCC">
      <tr><td>Notices</td><td>$notices</td></tr>       <tr><td>Notices</td><td>$notices</td></tr>
      <tr><td>Warnings</td><td>$warnings</td></tr>       <tr><td>Warnings</td><td>$warnings</td></tr>
      <tr><td>Errors</td><td>$errors</td></tr>       <tr><td>Errors</td><td>$errors</td></tr>
      </table><p><a href="#top">Top</a><p>       </table><p><a href="#top">Top</a></p>
 ENDERROUT  ENDERROUT
 }  }
   
 # ================================================================ Main Program  sub start_daemon {
       my ($fh,$daemon,$pidfile,$args) = @_;
       my $progname=$daemon;
       if ($daemon eq 'lonc' && $args eq 'new') {
    $progname='loncnew'; 
    print "new ";
       }
       my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
       my $size=(stat($error_fname))[7];
       if ($size>40000) {
    &log($fh,"<p>Rotating error logs ...</p>");
    rename("$error_fname.2","$error_fname.3");
    rename("$error_fname.1","$error_fname.2");
    rename("$error_fname","$error_fname.1");
       }
       system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
       sleep 1;
       if (-e $pidfile) {
    &log($fh,"<p>Seems like it started ...</p>");
    my $lfh=IO::File->new("$pidfile");
    my $daemonpid=<$lfh>;
    chomp($daemonpid);
    if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
       return 1;
    } else {
       return 0;
    }
       }
       &log($fh,"<p>Seems like that did not work!</p>");
       $errors++;
       return 0;
   }
   
 # ------------------------------------------------------------ Read access.conf  sub checkon_daemon {
 {      my ($fh,$daemon,$maxsize,$send,$args)=@_;
     my $config=IO::File->new("/etc/httpd/conf/access.conf");  
   
     while (my $configline=<$config>) {      my $result;
         if ($configline =~ /PerlSetVar/) {      &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
    my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);      printf("%-15s ",$daemon);
            $perlvar{$varname}=$varvalue;      if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
         }   open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
    while (my $line=<DFH>) { 
       &log($fh,"$line");
       if ($line=~/INFO/) { $notices++; }
       if ($line=~/WARNING/) { $notices++; }
       if ($line=~/CRITICAL/) { $warnings++; }
    };
    close (DFH);
     }      }
     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed      &log($fh,"</tt></p>");
     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed      
 }      my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
       
       my $restartflag=1;
       my $daemonpid;
       if (-e $pidfile) {
    my $lfh=IO::File->new("$pidfile");
    $daemonpid=<$lfh>;
    chomp($daemonpid);
    if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
       &log($fh,"<h3>$daemon at pid $daemonpid responding");
       if ($send) { &log($fh,", sending $send"); }
       &log($fh,"</h3>");
       if ($send eq 'USR1') { kill USR1 => $daemonpid; }
       if ($send eq 'USR2') { kill USR2 => $daemonpid; }
       $restartflag=0;
       if ($send eq 'USR2') {
    $result = 'reloaded';
    print "reloaded\n";
       } else {
    $result = 'running';
    print "running\n";
       }
    } else {
       $errors++;
       &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
       $restartflag=1;
       &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
    }
       }
       if ($restartflag==1) {
    $simplestatus{$daemon}='off';
    $errors++;
    my $kadaemon=$daemon;
    if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
    &log($fh,'<br><font color="red">Killall '.$daemon.': '.
       `killall $kadaemon 2>&1`.' - ');
    sleep 1;
    &log($fh,unlink($pidfile).' - '.
       `killall -9 $kadaemon 2>&1`.
       '</font><br>');
    &log($fh,"<h3>$daemon not running, trying to start</h3>");
   
    if (&start_daemon($fh,$daemon,$pidfile,$args)) {
       &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
       $simplestatus{$daemon}='restarted';
       $result = 'started';
       print "started\n";
    } else {
       $errors++;
       &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
       &log($fh,"<p>Give it one more try ...</p>");
       print " ";
       if (&start_daemon($fh,$daemon,$pidfile,$args)) {
    &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
    $simplestatus{$daemon}='restarted';
    $result = 'started';
    print "started\n";
       } else {
    $result = 'failed';
    print " failed\n";
    $simplestatus{$daemon}='failed';
    $errors++; $errors++;
    &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
    &log($fh,"<p>Unable to start $daemon</p>");
       }
    }
   
 # --------------------------------------- Make sure that LON-CAPA is configured   if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
 # I only test for one thing here (lonHostID).  This is just a safeguard.      &log($fh,"<p><pre>");
 if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {      open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
    print("Unconfigured machine.\n");      while (my $line=<DFH>) { 
    $emailto=$perlvar{'lonSysEMail'};   &log($fh,"$line");
    $hostname=`/bin/hostname`;   if ($line=~/WARNING/) { $notices++; }
    chop $hostname;   if ($line=~/CRITICAL/) { $notices++; }
    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell      };
    $subj="LON: Unconfigured machine $hostname";      close (DFH);
    system("echo 'Unconfigured machine $hostname.' |\      &log($fh,"</pre></p>");
  mailto $emailto -s '$subj' > /dev/null");   }
     exit 1;      }
 }      
       my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
       
       my ($dev,$ino,$mode,$nlink,
    $uid,$gid,$rdev,$size,
    $atime,$mtime,$ctime,
    $blksize,$blocks)=stat($fname);
       
       if ($size>$maxsize) {
    &log($fh,"<p>Rotating logs ...</p>");
    rename("$fname.2","$fname.3");
    rename("$fname.1","$fname.2");
    rename("$fname","$fname.1");
       }
   
 # ----------------------------- Make sure this process is running from user=www      &errout($fh);
 my $wwwid=getpwnam('www');      return $result;
 if ($wwwid!=$<) {  
    print("User ID mismatch.  This program must be run as user 'www'\n");  
    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";  
    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";  
    system("echo 'User ID mismatch.  loncron must be run as user www.' |\  
  mailto $emailto -s '$subj' > /dev/null");  
    exit 1;  
 }  }
   
 # ------------------------------------------------------------- Read hosts file  # --------------------------------------------------------------------- Machine
 {  sub log_machine_info {
     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");      my ($fh)=@_;
       &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
     while (my $configline=<$config>) {      &log($fh,"<h3>loadavg</h3>");
        my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);  
        $hostname{$id}=$name;      open (LOADAVGH,"/proc/loadavg");
        $hostdom{$id}=$domain;      my $loadavg=<LOADAVGH>;
        $hostrole{$id}=$role;      close (LOADAVGH);
        $hostip{$id}=$ip;      
        if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {      &log($fh,"<tt>$loadavg</tt>");
    $libserv{$id}=$name;      
        }      my @parts=split(/\s+/,$loadavg);
       if ($parts[1]>4.0) {
    $errors++;
       } elsif ($parts[1]>2.0) {
    $warnings++;
       } elsif ($parts[1]>1.0) {
    $notices++;
     }      }
 }  
   
 # ------------------------------------------------------ Read spare server file      &log($fh,"<h3>df</h3>");
 {      &log($fh,"<pre>");
     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");  
   
     while (my $configline=<$config>) {      open (DFH,"df|");
        chomp($configline);      while (my $line=<DFH>) { 
        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {   &log($fh,&encode_entities($line,'<>&"')); 
           $spareid{$configline}=1;   @parts=split(/\s+/,$line);
        }   my $usage=$parts[4];
    $usage=~s/\W//g;
    if ($usage>90) { 
       $warnings++;
       $notices++; 
    } elsif ($usage>80) {
       $warnings++;
    } elsif ($usage>60) {
       $notices++;
    }
    if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
     }      }
 }      close (DFH);
       &log($fh,"</pre>");
   
 # ---------------------------------------------------------------- Start report  
   
 $statusdir="/home/httpd/html/lon-status";      &log($fh,"<h3>ps</h3>");
       &log($fh,"<pre>");
       my $psproc=0;
   
       open (PSH,"ps aux --cols 140 |");
       while (my $line=<PSH>) { 
    &log($fh,&encode_entities($line,'<>&"')); 
    $psproc++;
       }
       close (PSH);
       &log($fh,"</pre>");
   
       if ($psproc>200) { $notices++; }
       if ($psproc>250) { $notices++; }
   
 $errors=0;      &log($fh,"<h3>distprobe</h3>");
 $warnings=0;      &log($fh,"<pre>");
 $notices=0;      open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
       while (my $line=<DSH>) { 
    &log($fh,&encode_entities($line,'<>&"')); 
    $psproc++;
       }
       close(DSH);
       &log($fh,"</pre>");
   
 $now=time;      &errout($fh);
 $date=localtime($now);  }
   
 {  sub start_logging {
 my $fh=IO::File->new(">$statusdir/newstatus.html");      my ($hostdom,$hostrole,$hostname,$spareid)=@_;
       my $fh=IO::File->new(">$statusdir/newstatus.html");
       my %simplestatus=();
       my $now=time;
       my $date=localtime($now);
       
   
 print $fh (<<ENDHEADERS);      &log($fh,(<<ENDHEADERS));
 <html>  <html>
 <head>  <head>
 <title>LON Status Report $perlvar{'lonHostID'}</title>  <title>LON Status Report $perlvar{'lonHostID'}</title>
 </head>  </head>
 <body bgcolor="#AAAAAA">  <body bgcolor="#AAAAAA">
 <a name="top">  <a name="top" />
 <h1>LON Status Report $perlvar{'lonHostID'}</h1>  <h1>LON Status Report $perlvar{'lonHostID'}</h1>
 <h2>$date ($now)</h2>  <h2>$date ($now)</h2>
 <ol>  <ol>
 <li><a href="#configuration">Configuration</a>  <li><a href="#configuration">Configuration</a></li>
 <li><a href="#machine">Machine Information</a>  <li><a href="#machine">Machine Information</a></li>
 <li><a href="#tmp">Temporary Files</a>  <li><a href="#tmp">Temporary Files</a></li>
 <li><a href="#tokens">Session Tokens</a>  <li><a href="#tokens">Session Tokens</a></li>
 <li><a href="#httpd">httpd</a>  <li><a href="#httpd">httpd</a></li>
 <li><a href="#lonsql">lonsql</a>  <li><a href="#lonsql">lonsql</a></li>
 <li><a href="#lond">lond</a>  <li><a href="#lond">lond</a></li>
 <li><a href="#lonc">lonc</a>  <li><a href="#lonc">lonc</a></li>
 <li><a href="#lonnet">lonnet</a>  <li><a href="#lonhttpd">lonhttpd</a></li>
 <li><a href="#connections">Connections</a>  <li><a href="#lonnet">lonnet</a></li>
 <li><a href="#delayed">Delayed Messages</a>  <li><a href="#connections">Connections</a></li>
 <li><a href="#errcount">Error Count</a>  <li><a href="#delayed">Delayed Messages</a></li>
   <li><a href="#errcount">Error Count</a></li>
 </ol>  </ol>
 <hr>  <hr />
 <a name="configuration">  <a name="configuration" />
 <h2>Configuration</h2>  <h2>Configuration</h2>
 <h3>PerlVars</h3>  <h3>PerlVars</h3>
 <table border=2>  <table border="2">
 ENDHEADERS  ENDHEADERS
   
 foreach $varname (keys %perlvar) {      foreach my $varname (sort(keys(%perlvar))) {
     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";   &log($fh,"<tr><td>$varname</td><td>".
 }       &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
 print $fh "</table><h3>Hosts</h3><table border=2>";      }
 foreach $id (keys %hostname) {      &log($fh,"</table><h3>Hosts</h3><table border='2'>");
 print $fh       foreach my $id (sort(keys(%{$hostname}))) {
     "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";   &log($fh,
 print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";      "<tr><td>$id</td><td>".$hostdom->{$id}.
 }      "</td><td>".$hostrole->{$id}.
 print $fh "</table><h3>Spare Hosts</h3><ol>";      "</td><td>".$hostname->{$id}."</td></tr>\n");
 foreach $id (keys %spareid) {      }
     print $fh "<li>$id\n";      &log($fh,"</table><h3>Spare Hosts</h3><ol>");
       foreach my $id (sort(keys(%{$spareid}))) {
    &log($fh,"<li>$id\n</li>");
       }
       &log($fh,"</ol>\n");
       return $fh;
 }  }
   
 print $fh "</ol>\n";  
   
 # --------------------------------------------------------------------- Machine  
   
 print $fh '<hr><a name="machine"><h2>Machine Information</h2>';  
 print $fh "<h3>loadavg</h3>";  
   
 open (LOADAVGH,"/proc/loadavg");  
 $loadavg=<LOADAVGH>;  
 close (LOADAVGH);  
   
 print $fh "<tt>$loadavg</tt>";  
   
 @parts=split(/\s+/,$loadavg);  
 if ($parts[1]>4.0) {  
     $errors++;  
 } elsif ($parts[1]>2.0) {  
     $warnings++;  
 } elsif ($parts[1]>1.0) {  
     $notices++;  
 }  
   
 print $fh "<h3>df</h3>";  
 print $fh "<pre>";  
   
 open (DFH,"df|");  
 while ($line=<DFH>) {   
    print $fh "$line";   
    @parts=split(/\s+/,$line);  
    $usage=$parts[4];  
    $usage=~s/\W//g;  
    if ($usage>90) {   
       $warnings++;   
    } elsif ($usage>80) {  
       $warnings++;  
    } elsif ($usage>60) {  
       $notices++;  
    }  
    if ($usage>95) { $warnings++; $warnings++ }  
 }  
 close (DFH);  
 print $fh "</pre>";  
 &errout($fh);  
   
 # --------------------------------------------------------------- clean out tmp  # --------------------------------------------------------------- clean out tmp
 print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';  sub clean_tmp {
 $cleaned=0;      my ($fh)=@_;
 while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {      &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
                           my ($dev,$ino,$mode,$nlink,      my $cleaned=0;
                               $uid,$gid,$rdev,$size,      my $old=0;
                               $atime,$mtime,$ctime,      while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
                               $blksize,$blocks)=stat($fname);   my ($dev,$ino,$mode,$nlink,
                           $now=time;      $uid,$gid,$rdev,$size,
                           $since=$now-$mtime;      $atime,$mtime,$ctime,
                           if ($since>$perlvar{'lonExpire'}) {      $blksize,$blocks)=stat($fname);
                               $cleaned++;   my $now=time;
                               unlink("$fname");   my $since=$now-$mtime;
                           }   if ($since>$perlvar{'lonExpire'}) {
           my $line='';
       if (open(PROBE,$fname)) {
    $line=<PROBE>;
    close(PROBE);
       }
       unless ($line=~/^CHECKOUTTOKEN\&/) {
    $cleaned++;
    unlink("$fname");
       } else {
    if ($since>365*$perlvar{'lonExpire'}) {
       $cleaned++;
       unlink("$fname");
    } else { $old++; }
       }
    }
       }
       &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
 }  }
 print $fh "Cleaned up ".$cleaned." files.";  
   
 # ------------------------------------------------------------ clean out lonIDs  # ------------------------------------------------------------ clean out lonIDs
 print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';  sub clean_lonIDs {
 $cleaned=0;      my ($fh)=@_;
 $active=0;      &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
 while ($fname=<$perlvar{'lonIDsDir'}/*>) {      my $cleaned=0;
                           my ($dev,$ino,$mode,$nlink,      my $active=0;
                               $uid,$gid,$rdev,$size,      while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
                               $atime,$mtime,$ctime,   my ($dev,$ino,$mode,$nlink,
                               $blksize,$blocks)=stat($fname);      $uid,$gid,$rdev,$size,
                           $now=time;      $atime,$mtime,$ctime,
                           $since=$now-$mtime;      $blksize,$blocks)=stat($fname);
                           if ($since>$perlvar{'lonExpire'}) {   my $now=time;
                               $cleaned++;   my $since=$now-$mtime;
                               print $fh "Unlinking $fname<br>";   if ($since>$perlvar{'lonExpire'}) {
                               unlink("$fname");      $cleaned++;
                           } else {      &log($fh,"Unlinking $fname<br>");
                               $active++;      unlink("$fname");
                           }   } else {
           $active++;
    }
       }
       &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
       &log($fh,"<h3>$active open session(s)</h3>");
 }  }
 print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";  
 print $fh "<h3>$active open session(s)</h3>";  
   
 # ----------------------------------------------------------------------- httpd  # ----------------------------------------------------------------------- httpd
   sub check_httpd_logs {
       my ($fh)=@_;
       &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
       
       open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
       while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
       close (DFH);
   
       &log($fh,"</pre><h3>Error Log</h3><pre>");
   
       open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
       while (my $line=<DFH>) { 
    &log($fh,"$line");
    if ($line=~/\[error\]/) { $notices++; } 
       }
       close (DFH);
       &log($fh,"</pre>");
       &errout($fh);
   }
   
 print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';  # ---------------------------------------------------------------------- lonnet
   
 open (DFH,"tail -n25 /etc/httpd/logs/access_log|");  sub rotate_lonnet_logs {
 while ($line=<DFH>) { print $fh "$line" };      my ($fh)=@_;
 close (DFH);      &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
       print "checking logs\n";
 print $fh "</pre><h3>Error Log</h3><pre>";      if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
    open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
 open (DFH,"tail -n25 /etc/httpd/logs/error_log|");   while (my $line=<DFH>) { 
 while ($line=<DFH>) {       &log($fh,&encode_entities($line,'<>&"'));
    print $fh "$line";   }
    if ($line=~/\[error\]/) { $notices++; }   
 };  
 close (DFH);  
 print $fh "</pre>";  
 &errout($fh);  
   
   
 # ---------------------------------------------------------------------- lonsql  
   
 my $restartflag=1;  
 if ($perlvar{'lonRole'} eq "library") {  
   
     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';  
     print "lonsql\n";  
     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){  
  open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");  
  while ($line=<DFH>) {   
     print $fh "$line";  
     if ($line=~/INFO/) { $notices++; }  
     if ($line=~/WARNING/) { $notices++; }  
     if ($line=~/CRITICAL/) { $warnings++; }  
  };  
  close (DFH);   close (DFH);
     }      }
     print $fh "</pre>";      &log($fh,"</pre><h3>Perm Log</h3><pre>");
           
     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";      if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
     $restartflag=1;   while (my $line=<DFH>) { 
          &log($fh,&encode_entities($line,'<>&"'));
     if (-e $lonsqlfile) {  
  my $lfh=IO::File->new("$lonsqlfile");  
  my $lonsqlpid=<$lfh>;  
  chomp($lonsqlpid);  
  if (kill 0 => $lonsqlpid) {  
     print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";  
     $restartflag=0;  
  } else {  
     $errors++; $errors++;  
     print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";  
  $restartflag=1;  
  print $fh   
     "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";  
  }   }
     }   close (DFH);
     if ($restartflag==1) {      } else { &log($fh,"No perm log\n") }
  $errors++;  
          print $fh '<br><font color="red">Killall lonsql: '.  
                     system('killall lonsql').' - ';  
                     sleep 60;  
                     print $fh unlink($lonsqlfile).' - '.  
                               system('killall -9 lonsql').  
                     '</font><br>';  
  print $fh "<h3>lonsql not running, trying to start</h3>";  
  system(  
  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");  
  sleep 120 unless $qflag;  
  if (-e $lonsqlfile) {  
     print $fh "Seems like it started ...<p>";  
     my $lfh=IO::File->new("$lonsqlfile");  
     my $lonsqlpid=<$lfh>;  
     chomp($lonsqlpid);  
     sleep 30 unless $qflag;  
     if (kill 0 => $lonsqlpid) {  
  print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";  
     } else {  
  $errors++; $errors++;  
  print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";  
  print $fh "Give it one more try ...<p>";  
  system(  
  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");  
  sleep 120 unless $qflag;  
     }  
  } else {  
     print $fh "Seems like that did not work!<p>";  
     $errors++;  
  }  
  if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){  
     print $fh "<p><pre>";  
     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");  
     while ($line=<DFH>) {   
  print $fh "$line";  
  if ($line=~/WARNING/) { $notices++; }  
  if ($line=~/CRITICAL/) { $notices++; }  
     };  
     close (DFH);  
     print $fh "</pre>";  
  }  
     }  
   
     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";      my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
   
     my ($dev,$ino,$mode,$nlink,      my ($dev,$ino,$mode,$nlink,
  $uid,$gid,$rdev,$size,   $uid,$gid,$rdev,$size,
Line 374  if ($perlvar{'lonRole'} eq "library") { Line 466  if ($perlvar{'lonRole'} eq "library") {
  $blksize,$blocks)=stat($fname);   $blksize,$blocks)=stat($fname);
   
     if ($size>40000) {      if ($size>40000) {
  print $fh "Rotating logs ...<p>";   &log($fh,"<p>Rotating logs ...</p>");
  rename("$fname.2","$fname.3");   rename("$fname.2","$fname.3");
  rename("$fname.1","$fname.2");   rename("$fname.1","$fname.2");
  rename("$fname","$fname.1");   rename("$fname","$fname.1");
     }      }
   
       &log($fh,"</pre>");
     &errout($fh);      &errout($fh);
 }  }
 # ------------------------------------------------------------------------ lond  
   
 print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';  
 print "lond\n";  
   
 if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){  # ----------------------------------------------------------------- Connections
 open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");  sub test_connections {
 while ($line=<DFH>) {       my ($fh,$hostname)=@_;
    print $fh "$line";      &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
    if ($line=~/INFO/) { $notices++; }      print "testing connections\n";
    if ($line=~/WARNING/) { $notices++; }      &log($fh,"<table border='2'>");
    if ($line=~/CRITICAL/) { $warnings++; }      my ($good,$bad)=(0,0);
 };      foreach my $tryserver (sort(keys(%{$hostname}))) {
 close (DFH);   print(".");
 }   my $result;
 print $fh "</pre>";   my $answer=reply("ping",$tryserver);
    if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
 my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";      $result="<b>ok</b>";
       $good++;
 $restartflag=1;   } else {
 if (-e $londfile) {          $result=$answer;
    my $lfh=IO::File->new("$londfile");      $warnings++;
    my $londpid=<$lfh>;      if ($answer eq 'con_lost') {
    chomp($londpid);   $bad++;
    if (kill 0 => $londpid) {   $warnings++;
       print $fh "<h3>lond at pid $londpid responding</h3>";      } else {
       $restartflag=0;   $good++; #self connection
    } else {      }
       $errors++;   }
       print $fh "<h3>lond at pid $londpid not responding</h3>";   if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
       $restartflag=1;   &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
       print $fh       }
   "<h3>Decided to clean up stale .pid file and restart lond</h3>";      &log($fh,"</table>");
    }      print "\n$good good, $bad bad connections\n";
 }       &errout($fh);
 if ($restartflag==1) {  
    $errors++;  
   print $fh '<br><font color="red">Killall lond: '.  
                     system('killall lond').' - ';  
           sleep 60;  
           print $fh unlink($londfile).' - '.system('killall -9 lond').  
                     '</font><br>';  
    print $fh "<h3>lond not running, trying to start</h3>";  
    system(  
      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");  
    sleep 120 unless $qflag;  
    if (-e $londfile) {  
        print $fh "Seems like it started ...<p>";  
        my $lfh=IO::File->new("$londfile");  
        my $londpid=<$lfh>;  
        chomp($londpid);  
        sleep 30 unless $qflag;  
        if (kill 0 => $londpid) {  
           print $fh "<h3>lond at pid $londpid responding</h3>";  
        } else {  
           $errors++; $errors++;  
           print $fh "<h3>lond at pid $londpid not responding</h3>";  
           print $fh "Give it one more try ...<p>";  
   system(  
  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");  
           sleep 120 unless $qflag;  
        }  
    } else {  
        print $fh "Seems like that did not work!<p>";  
        $errors++;  
    }  
    if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){  
     print $fh "<p><pre>";  
     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");  
     while ($line=<DFH>) {   
       print $fh "$line";  
       if ($line=~/WARNING/) { $notices++; }  
       if ($line=~/CRITICAL/) { $notices++; }  
     };  
     close (DFH);  
     print $fh "</pre>";  
    }  
 }  }
   
 $fname="$perlvar{'lonDaemons'}/logs/lond.log";  
   
                           my ($dev,$ino,$mode,$nlink,  # ------------------------------------------------------------ Delayed messages
                               $uid,$gid,$rdev,$size,  sub check_delayed_msg {
                               $atime,$mtime,$ctime,      my ($fh)=@_;
                               $blksize,$blocks)=stat($fname);      &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
       print "checking buffers\n";
 if ($size>40000) {      
     print $fh "Rotating logs ...<p>";      &log($fh,'<h3>Scanning Permanent Log</h3>');
     rename("$fname.2","$fname.3");  
     rename("$fname.1","$fname.2");  
     rename("$fname","$fname.1");  
 }  
   
 &errout($fh);  
 # ------------------------------------------------------------------------ lonc  
   
 print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';  
 print "lonc\n";  
   
 if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){  
 open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");  
 while ($line=<DFH>) {   
    print $fh "$line";  
    if ($line=~/INFO/) { $notices++; }  
    if ($line=~/WARNING/) { $notices++; }  
    if ($line=~/CRITICAL/) { $warnings++; }  
 };  
 close (DFH);  
 }  
 print $fh "</pre>";  
   
 my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";  
   
 $restartflag=1;  
 if (-e $loncfile) {  
    my $lfh=IO::File->new("$loncfile");  
    my $loncpid=<$lfh>;  
    chomp($loncpid);  
    if (kill 0 => $loncpid) {  
       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";  
       kill USR1 => $loncpid;  
       $restartflag=0;  
    } else {  
       $errors++;  
       print $fh "<h3>lonc at pid $loncpid not responding</h3>";  
       # Solution: kill parent and children processes, remove .pid and restart  
   $restartflag=1;  
       print $fh   
   "<h3>Decided to clean up stale .pid file and restart lonc</h3>";  
    }  
 }   
 if ($restartflag==1) {  
    $errors++;  
   print $fh '<br><font color="red">Killall lonc: '.  
             system('killall lonc').' - ';  
           sleep 60;  
           print $fh unlink($loncfile).' - '.system('killall -9 lonc').  
                     '</font><br>';  
    print $fh "<h3>lonc not running, trying to start</h3>";  
  system(  
  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");  
    sleep 120 unless $qflag;  
    if (-e $loncfile) {  
        print $fh "Seems like it started ...<p>";  
        my $lfh=IO::File->new("$loncfile");  
        my $loncpid=<$lfh>;  
        chomp($loncpid);  
        sleep 30 unless $qflag;  
        if (kill 0 => $loncpid) {  
           print $fh "<h3>lonc at pid $loncpid responding</h3>";  
        } else {  
           $errors++; $errors++;  
           print $fh "<h3>lonc at pid $loncpid not responding</h3>";  
           print $fh "Give it one more try ...<p>";  
    system(  
  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");  
           sleep 120 unless $qflag;  
        }  
    } else {  
        print $fh "Seems like that did not work!<p>";  
        $errors++;  
    }  
    if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {  
     print $fh "<p><pre>";  
     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");  
     while ($line=<DFH>) {   
       print $fh "$line";  
       if ($line=~/WARNING/) { $notices++; }  
       if ($line=~/CRITICAL/) { $notices++; }  
     };  
     close (DFH);  
     print $fh "</pre>";  
    }  
 }  
   
 $fname="$perlvar{'lonDaemons'}/logs/lonc.log";      my $unsend=0;
   
                           my ($dev,$ino,$mode,$nlink,      my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
                               $uid,$gid,$rdev,$size,      while (my $line=<$dfh>) {
                               $atime,$mtime,$ctime,   my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
                               $blksize,$blocks)=stat($fname);   if ($sdf eq 'F') { 
       my $local=localtime($time);
       &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
       $warnings++;
    }
    if ($sdf eq 'S') { $unsend--; }
    if ($sdf eq 'D') { $unsend++; }
       }
   
 if ($size>40000) {      &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
     print $fh "Rotating logs ...<p>";      $warnings=$warnings+5*$unsend;
     rename("$fname.2","$fname.3");  
     rename("$fname.1","$fname.2");  
     rename("$fname","$fname.1");  
 }  
   
          if ($unsend) { $simplestatus{'unsend'}=$unsend; }
 &errout($fh);      &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
 # ---------------------------------------------------------------------- lonnet  
   
 print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';      open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
 print "lonnet\n";      while (my $line=<DFH>) { 
 if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){   &log($fh,&encode_entities($line,'<>&"'));
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");      }
 while ($line=<DFH>) {       &log($fh,"</pre>\n");
     print $fh "$line";      close (DFH);
 };  
 close (DFH);  
 }  
 print $fh "</pre><h3>Perm Log</h3><pre>";  
   
 if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {  
     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");  
 while ($line=<DFH>) {   
    print $fh "$line";  
 };  
 close (DFH);  
 } else { print $fh "No perm log\n" }  
   
 $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";  
   
                           my ($dev,$ino,$mode,$nlink,  
                               $uid,$gid,$rdev,$size,  
                               $atime,$mtime,$ctime,  
                               $blksize,$blocks)=stat($fname);  
   
 if ($size>40000) {  
     print $fh "Rotating logs ...<p>";  
     rename("$fname.2","$fname.3");  
     rename("$fname.1","$fname.2");  
     rename("$fname","$fname.1");  
 }  }
   
 print $fh "</pre>";  sub finish_logging {
 &errout($fh);      my ($fh)=@_;
 # ----------------------------------------------------------------- Connections      &log($fh,"<a name='errcount' />\n");
       $totalcount=$notices+4*$warnings+100*$errors;
       &errout($fh);
       &log($fh,"<h1>Total Error Count: $totalcount</h1>");
       my $now=time;
       my $date=localtime($now);
       &log($fh,"<hr />$date ($now)</body></html>\n");
       print "lon-status webpage updated\n";
       $fh->close();
   
       if ($errors) { $simplestatus{'errors'}=$errors; }
       if ($warnings) { $simplestatus{'warnings'}=$warnings; }
       if ($notices) { $simplestatus{'notices'}=$notices; }
       $simplestatus{'time'}=time;
   }
   
 print $fh '<hr><a name="connections"><h2>Connections</h2>';  sub log_simplestatus {
       rename ("$statusdir/newstatus.html","$statusdir/index.html");
       
       my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
       foreach (keys %simplestatus) {
    print $sfh $_.'='.$simplestatus{$_}.'&';
       }
       print $sfh "\n";
       $sfh->close();
   }
   
 print $fh "<table border=2>";  sub send_mail {
 foreach $tryserver (keys %hostname) {      print "sending mail\n";
       my $emailto="$perlvar{'lonAdmEMail'}";
       if ($totalcount>2500) {
    $emailto.=",$perlvar{'lonSysEMail'}";
       }
       my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
   
     $answer=reply("pong",$tryserver);      my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {      if ($result != 0) {
  $result="<b>ok</b>";   $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
     } else {  
         $result=$answer;  
         $warnings++;  
         if ($answer eq 'con_lost') { $warnings++; }  
     }      }
     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";  }
   
   sub usage {
       print(<<USAGE);
   loncron - housekeeping program that checks up on various parts of Lon-CAPA
   
   Options:
      --help     Display help
      --oldlonc  When starting the lonc daemon use 'lonc' not 'loncnew'
      --noemail  Do not send the status email
      --justcheckconnections  Only check the current status of the lonc/d
                                   connections, do not send emails do not
                                   check if the daemons are running, do not
                                   generate lon-status
      --justcheckdaemons      Only check that all of the Lon-CAPA daemons are
                                   running, do not send emails do not
                                   check the lonc/d connections, do not
                                   generate lon-status
      --justreload            Only tell the daemons to reload the config files,
    do not send emails do not
                                   check if the daemons are running, do not
                                   generate lon-status
                              
   USAGE
 }  }
 print $fh "</table>";  
   
 &errout($fh);  # ================================================================ Main Program
 # ------------------------------------------------------------ Delayed messages  sub main () {
       my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections,
    $justreload);
       &GetOptions("help"                 => \$help,
    "oldlonc"              => \$oldlonc,
    "justcheckdaemons"     => \$justcheckdaemons,
    "noemail"              => \$noemail,
    "justcheckconnections" => \$justcheckconnections,
    "justreload"           => \$justreload
    );
       if ($help) { &usage(); return; }
   # --------------------------------- Read loncapa_apache.conf and loncapa.conf
       my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
       %perlvar=%{$perlvarref};
       undef $perlvarref;
       delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
       delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
   
   # --------------------------------------- Make sure that LON-CAPA is configured
   # I only test for one thing here (lonHostID).  This is just a safeguard.
       if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
    print("Unconfigured machine.\n");
    my $emailto=$perlvar{'lonSysEMail'};
    my $hostname=`/bin/hostname`;
    chop $hostname;
    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
    my $subj="LON: Unconfigured machine $hostname";
    system("echo 'Unconfigured machine $hostname.' |\
    mailto $emailto -s '$subj' > /dev/null");
    exit 1;
       }
   
 print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';  # ----------------------------- Make sure this process is running from user=www
 print "buffers\n";      my $wwwid=getpwnam('www');
       if ($wwwid!=$<) {
    print("User ID mismatch.  This program must be run as user 'www'\n");
    my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
    my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
    mailto $emailto -s '$subj' > /dev/null");
    exit 1;
       }
   
 print $fh '<h3>Scanning Permanent Log</h3>';  # ------------------------------------------------------------- Read hosts file
       my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
       
       my (%hostname,%hostdom,%hostrole,%spareid);
       while (my $configline=<$config>) {
    next if ($configline =~ /^(\#|\s*\$)/);
    my ($id,$domain,$role,$name)=split(/:/,$configline);
    if ($id && $domain && $role && $name) {
       $name=~s/\s//g;
       $hostname{$id}=$name;
       $hostdom{$id}=$domain;
       $hostrole{$id}=$role;
    }
       }
       undef $config;
   
 $unsend=0;  # ------------------------------------------------------ Read spare server file
 {      $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");      
     while ($line=<$dfh>) {      while (my $configline=<$config>) {
  ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);   chomp($configline);
         if ($sdf eq 'F') {    if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
     $local=localtime($time);      $spareid{$configline}=1;
             print "<b>Failed: $time, $dserv, $dcmd</b><br>";   }
             $warnings++;      }
         }      undef $config;
         if ($sdf eq 'S') { $unsend--; }  
         if ($sdf eq 'D') { $unsend++; }  # ---------------------------------------------------------------- Start report
     }  
 }      $errors=0;
 print $fh "Total unsend messages: <b>$unsend</b><p>\n";      $warnings=0;
 $warnings=$warnings+5*$unsend;      $notices=0;
   
 print $fh "<h3>Outgoing Buffer</h3>";  
       my $fh;
 open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");      if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
 while ($line=<DFH>) {    $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
     print $fh "$line<br>";  
 };   &log_machine_info($fh);
 close (DFH);   &clean_tmp($fh);
    &clean_lonIDs($fh);
 # ------------------------------------------------------------------------- End   &check_httpd_logs($fh);
 print $fh "<a name=errcount>\n";   &rotate_lonnet_logs($fh);
 $totalcount=$notices+4*$warnings+100*$errors;      }
 &errout($fh);      if (!$justcheckconnections && !$justreload) {
 print $fh "<h1>Total Error Count: $totalcount</h1>";   &checkon_daemon($fh,'lonsql',200000);
 $now=time;   if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
 $date=localtime($now);      &checkon_daemon($fh,'lond',40000,'USR2');
 print $fh "<hr>$date ($now)</body></html>\n";   }
 print "writing done\n";   my $args='new';
 }   if ($oldlonc) { $args = ''; }
    &checkon_daemon($fh,'lonc',40000,'USR1',$args);
 rename ("$statusdir/newstatus.html","$statusdir/index.html");   &checkon_daemon($fh,'lonhttpd',40000);
    &checkon_daemon($fh,'lonmemcached',40000);
 if ($totalcount>200) {      }
    print "mailing\n";      if ($justreload) {
    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";   &checkon_daemon($fh,'lond',40000,'USR2');
    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";    my $args='new';
    system(   if ($oldlonc) { $args = ''; }
  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html")   &checkon_daemon($fh,'lonc',40000,'USR2',$args);
     unless $qflag;      }
       if ($justcheckconnections) {
    &test_connections($fh,\%hostname);
       }
       if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
    &check_delayed_msg($fh);
    &finish_logging($fh);
    &log_simplestatus();
   
    if ($totalcount>200 && !$noemail) { &send_mail(); }
       }
 }  }
   
   &main();
 1;  1;
   
   
Removed from v.1.23  
changed lines
  Added in v.1.63.2.2

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