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Diff for /loncom/loncron between versions 1.19 and 1.38

version 1.19, 2001/04/11 13:37:39 version 1.38, 2003/04/07 18:19:23
Line 9 Line 9
 #  #
 # 7/14,7/15,7/19,7/21,7/22,11/18,  # 7/14,7/15,7/19,7/21,7/22,11/18,
 # 2/8 Gerd Kortemeyer  # 2/8 Gerd Kortemeyer
 # Dec 00 Scott Harrison  
 # 12/23 Gerd Kortemeyer  # 12/23 Gerd Kortemeyer
 # 02/12/2001, 04/11/2001 Scott Harrison  # YEAR=2001
   # 09/04,09/06,11/26 Gerd Kortemeyer
   
   $|=1;
   
   use lib '/home/httpd/lib/perl/';
   use LONCAPA::Configuration;
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
Line 46  ENDERROUT Line 51  ENDERROUT
   
 # ================================================================ Main Program  # ================================================================ Main Program
   
 # ------------------------------------------------------------ Read access.conf  # --------------------------------- Read loncapa_apache.conf and loncapa.conf
 {  my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
     my $config=IO::File->new("/etc/httpd/conf/access.conf");  %perlvar=%{$perlvarref};
   undef $perlvarref;
     while (my $configline=<$config>) {  delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
         if ($configline =~ /PerlSetVar/) {  delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
    my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);  
            $perlvar{$varname}=$varvalue;  
         }  
     }  
     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  # --------------------------------------- Make sure that LON-CAPA is configured
 # I only test for one thing here (lonHostID).  This is just a safeguard.  # I only test for one thing here (lonHostID).  This is just a safeguard.
Line 90  if ($wwwid!=$<) { Line 88  if ($wwwid!=$<) {
     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");      my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
   
     while (my $configline=<$config>) {      while (my $configline=<$config>) {
        my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);   my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
        $hostname{$id}=$name;   if ($id && $domain && $role && $name && $ip) {
        $hostdom{$id}=$domain;      $hostname{$id}=$name;
        $hostrole{$id}=$role;      $hostdom{$id}=$domain;
        $hostip{$id}=$ip;      $hostip{$id}=$ip;
        if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {      $hostrole{$id}=$role;
    $libserv{$id}=$name;      if ($domdescr) { $domaindescription{$domain}=$domdescr; }
        }      if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
    $libserv{$id}=$name;
       }
    } else {
       if ($configline) {
   # &logthis("Skipping hosts.tab line -$configline-");
       }
    }
     }      }
 }  }
   
Line 145  print $fh (<<ENDHEADERS); Line 150  print $fh (<<ENDHEADERS);
 <li><a href="#lonsql">lonsql</a>  <li><a href="#lonsql">lonsql</a>
 <li><a href="#lond">lond</a>  <li><a href="#lond">lond</a>
 <li><a href="#lonc">lonc</a>  <li><a href="#lonc">lonc</a>
   <li><a href="#lonhttpd">lonhttpd</a>
 <li><a href="#lonnet">lonnet</a>  <li><a href="#lonnet">lonnet</a>
 <li><a href="#connections">Connections</a>  <li><a href="#connections">Connections</a>
 <li><a href="#delayed">Delayed Messages</a>  <li><a href="#delayed">Delayed Messages</a>
Line 157  print $fh (<<ENDHEADERS); Line 163  print $fh (<<ENDHEADERS);
 <table border=2>  <table border=2>
 ENDHEADERS  ENDHEADERS
   
 foreach $varname (keys %perlvar) {  foreach $varname (sort(keys(%perlvar))) {
     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";      print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
 }  }
 print $fh "</table><h3>Hosts</h3><table border=2>";  print $fh "</table><h3>Hosts</h3><table border=2>";
 foreach $id (keys %hostname) {  foreach $id (sort(keys(%hostname))) {
 print $fh       print $fh 
     "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";   "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
 print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";      print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
 }  }
 print $fh "</table><h3>Spare Hosts</h3><ol>";  print $fh "</table><h3>Spare Hosts</h3><ol>";
 foreach $id (keys %spareid) {  foreach $id (sort(keys(%spareid))) {
     print $fh "<li>$id\n";      print $fh "<li>$id\n";
 }  }
   
Line 203  while ($line=<DFH>) { Line 209  while ($line=<DFH>) {
    $usage=$parts[4];     $usage=$parts[4];
    $usage=~s/\W//g;     $usage=~s/\W//g;
    if ($usage>90) {      if ($usage>90) { 
       $warnings++;         $warnings++;
         $notices++; 
    } elsif ($usage>80) {     } elsif ($usage>80) {
       $warnings++;        $warnings++;
    } elsif ($usage>60) {     } elsif ($usage>60) {
Line 213  while ($line=<DFH>) { Line 220  while ($line=<DFH>) {
 }  }
 close (DFH);  close (DFH);
 print $fh "</pre>";  print $fh "</pre>";
   
   
   print $fh "<h3>ps</h3>";
   print $fh "<pre>";
   $psproc=0;
   
   open (PSH,"ps -aux|");
   while ($line=<PSH>) { 
      print $fh "$line"; 
      $psproc++;
   }
   close (PSH);
   print $fh "</pre>";
   
   if ($psproc>200) { $notices++; }
   if ($psproc>250) { $notices++; }
   
 &errout($fh);  &errout($fh);
   
 # --------------------------------------------------------------- clean out tmp  # --------------------------------------------------------------- clean out tmp
 print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';  print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
 $cleaned=0;  $cleaned=0;
   $old=0;
 while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {  while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
                           my ($dev,$ino,$mode,$nlink,                            my ($dev,$ino,$mode,$nlink,
                               $uid,$gid,$rdev,$size,                                $uid,$gid,$rdev,$size,
Line 226  while ($fname=<$perlvar{'lonDaemons'}/tm Line 251  while ($fname=<$perlvar{'lonDaemons'}/tm
                           $now=time;                            $now=time;
                           $since=$now-$mtime;                            $since=$now-$mtime;
                           if ($since>$perlvar{'lonExpire'}) {                            if ($since>$perlvar{'lonExpire'}) {
                               $cleaned++;                                $line='';
                               unlink("$fname");                                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++; }
                                 }
                           }                            }
           
 }  }
 print $fh "Cleaned up ".$cleaned." files.";  print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens).";
   
 # ------------------------------------------------------------ clean out lonIDs  # ------------------------------------------------------------ clean out lonIDs
 print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';  print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
Line 260  print $fh "<h3>$active open session(s)</ Line 297  print $fh "<h3>$active open session(s)</
   
 print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';  print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
   
 open (DFH,"tail -n40 /etc/httpd/logs/access_log|");  open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
 while ($line=<DFH>) { print $fh "$line" };  while ($line=<DFH>) { print $fh "$line" };
 close (DFH);  close (DFH);
   
 print $fh "</pre><h3>Error Log</h3><pre>";  print $fh "</pre><h3>Error Log</h3><pre>";
   
 open (DFH,"tail -n50 /etc/httpd/logs/error_log|");  open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
    print $fh "$line";     print $fh "$line";
    if ($line=~/\[error\]/) { $notices++; }      if ($line=~/\[error\]/) { $notices++; } 
Line 277  print $fh "</pre>"; Line 314  print $fh "</pre>";
   
   
 # ---------------------------------------------------------------------- lonsql  # ---------------------------------------------------------------------- lonsql
 #  
 # Do not run for now  my $restartflag=1;
 #  
 if ($perlvar{'lonRole'} eq "library") {  if ($perlvar{'lonRole'} eq "library") {
   
     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';      print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
           print "lonsql\n";
     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){      if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
  open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");   open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
  while ($line=<DFH>) {    while ($line=<DFH>) { 
Line 297  if ($perlvar{'lonRole'} eq "library") { Line 333  if ($perlvar{'lonRole'} eq "library") {
     print $fh "</pre>";      print $fh "</pre>";
           
     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";      my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
        
       $restartflag=1;
      
     if (-e $lonsqlfile) {      if (-e $lonsqlfile) {
  my $lfh=IO::File->new("$lonsqlfile");   my $lfh=IO::File->new("$lonsqlfile");
  my $lonsqlpid=<$lfh>;   my $lonsqlpid=<$lfh>;
  chomp($lonsqlpid);   chomp($lonsqlpid);
  if (kill 0 => $lonsqlpid) {   if (kill 0 => $lonsqlpid) {
     print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";      print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
       $restartflag=0;
  } else {   } else {
     $errors++; $errors++;      $errors++; $errors++;
     print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";      print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
    $restartflag=1;
    print $fh 
       "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
  }   }
     } else {      }
       if ($restartflag==1) {
  $errors++;   $errors++;
            print $fh '<br><font color="red">Killall lonsql: '.
                       system('killall lonsql').' - ';
                       sleep 2;
                       print $fh unlink($lonsqlfile).' - '.
                                 system('killall -9 lonsql').
                       '</font><br>';
  print $fh "<h3>lonsql not running, trying to start</h3>";   print $fh "<h3>lonsql not running, trying to start</h3>";
  system(   system(
  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");   "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  sleep 120;   sleep 2;
  if (-e $lonsqlfile) {   if (-e $lonsqlfile) {
     print $fh "Seems like it started ...<p>";      print $fh "Seems like it started ...<p>";
     my $lfh=IO::File->new("$lonsqlfile");      my $lfh=IO::File->new("$lonsqlfile");
     my $lonsqlpid=<$lfh>;      my $lonsqlpid=<$lfh>;
     chomp($lonsqlpid);      chomp($lonsqlpid);
     sleep 30;      sleep 2;
     if (kill 0 => $lonsqlpid) {      if (kill 0 => $lonsqlpid) {
  print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";   print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
     } else {      } else {
Line 328  if ($perlvar{'lonRole'} eq "library") { Line 377  if ($perlvar{'lonRole'} eq "library") {
  print $fh "Give it one more try ...<p>";   print $fh "Give it one more try ...<p>";
  system(   system(
  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");   "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
  sleep 120;   sleep 2;
     }      }
  } else {   } else {
     print $fh "Seems like that did not work!<p>";      print $fh "Seems like that did not work!<p>";
Line 354  if ($perlvar{'lonRole'} eq "library") { Line 403  if ($perlvar{'lonRole'} eq "library") {
  $atime,$mtime,$ctime,   $atime,$mtime,$ctime,
  $blksize,$blocks)=stat($fname);   $blksize,$blocks)=stat($fname);
   
     if ($size>40000) {      if ($size>200000) {
  print $fh "Rotating logs ...<p>";   print $fh "Rotating logs ...<p>";
  rename("$fname.2","$fname.3");   rename("$fname.2","$fname.3");
  rename("$fname.1","$fname.2");   rename("$fname.1","$fname.2");
Line 366  if ($perlvar{'lonRole'} eq "library") { Line 415  if ($perlvar{'lonRole'} eq "library") {
 # ------------------------------------------------------------------------ lond  # ------------------------------------------------------------------------ lond
   
 print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';  print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
   print "lond\n";
   
 if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){  if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
 open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");  open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
    print $fh "$line";     print $fh "$line";
    if ($line=~/INFO/) { $notices++; }     if ($line=~/INFO/) { $notices++; }
Line 381  print $fh "</pre>"; Line 431  print $fh "</pre>";
   
 my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";  my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
   
 my $restartflag=1;  $restartflag=1;
 if (-e $londfile) {      if (-e $londfile) {    
    my $lfh=IO::File->new("$londfile");     my $lfh=IO::File->new("$londfile");
    my $londpid=<$lfh>;     my $londpid=<$lfh>;
    chomp($londpid);     chomp($londpid);
    if (kill 0 => $londpid) {     if (kill 0 => $londpid) {
       print $fh "<h3>lond at pid $londpid responding</h3>";        print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
         kill USR1 => $londpid;
       $restartflag=0;        $restartflag=0;
    } else {     } else {
       $errors++;        $errors++;
       print $fh "<h3>lond at pid $londpid not responding</h3>";        print $fh "<h3>lond at pid $londpid not responding</h3>";
       # Intelligently handle this.        $restartflag=1;
       # Possibility #1: there is no process  
       # Solution: remove .pid file and restart  
       if (getpgrp($londpid)==-1) {  
   unlink($londfile);  
   $restartflag=1;  
       }  
       else {  
       # Possibility #2: there is a live process that is not responding  
       #                 for an unknown reason  
       # Solution: kill parent and children processes, remove .pid and restart  
   `killall -9 lond`;  
   unlink($londfile);  
   $restartflag=1;  
       }  
       print $fh         print $fh 
   "<h3>Deciding to clean up stale .pid file and restart lond</h3>";    "<h3>Decided to clean up stale .pid file and restart lond</h3>";
    }     }
 }   } 
 if ($restartflag==1) {  if ($restartflag==1) {
    $errors++;     $errors++;
     print $fh '<br><font color="red">Killall lond: '.
                       system('killall lond').' - ';
             sleep 2;
             print $fh unlink($londfile).' - '.system('killall -9 lond').
                       '</font><br>';
    print $fh "<h3>lond not running, trying to start</h3>";     print $fh "<h3>lond not running, trying to start</h3>";
    system(     system(
      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");       "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
    sleep 120;     sleep 2;
    if (-e $londfile) {     if (-e $londfile) {
        print $fh "Seems like it started ...<p>";         print $fh "Seems like it started ...<p>";
        my $lfh=IO::File->new("$londfile");         my $lfh=IO::File->new("$londfile");
        my $londpid=<$lfh>;         my $londpid=<$lfh>;
        chomp($londpid);         chomp($londpid);
        sleep 30;         sleep 2;
        if (kill 0 => $londpid) {         if (kill 0 => $londpid) {
           print $fh "<h3>lond at pid $londpid responding</h3>";            print $fh "<h3>lond at pid $londpid responding</h3>";
        } else {         } else {
Line 431  if ($restartflag==1) { Line 473  if ($restartflag==1) {
           print $fh "Give it one more try ...<p>";            print $fh "Give it one more try ...<p>";
   system(    system(
  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");   "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
           sleep 120;            sleep 2;
        }         }
    } else {     } else {
        print $fh "Seems like that did not work!<p>";         print $fh "Seems like that did not work!<p>";
Line 468  if ($size>40000) { Line 510  if ($size>40000) {
 # ------------------------------------------------------------------------ lonc  # ------------------------------------------------------------------------ lonc
   
 print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';  print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
   print "lonc\n";
   
 if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){  if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
 open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");  open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
    print $fh "$line";     print $fh "$line";
    if ($line=~/INFO/) { $notices++; }     if ($line=~/INFO/) { $notices++; }
Line 495  if (-e $loncfile) { Line 538  if (-e $loncfile) {
    } else {     } else {
       $errors++;        $errors++;
       print $fh "<h3>lonc at pid $loncpid not responding</h3>";        print $fh "<h3>lonc at pid $loncpid not responding</h3>";
       # Intelligently handle this.  
       # Possibility #1: there is no process  
       # Solution: remove .pid file and restart  
       if (getpgrp($loncpid)==-1) {  
   unlink($loncfile);  
   $restartflag=1;  
       }  
       else {  
       # Possibility #2: there is a live process that is not responding  
       #                 for an unknown reason  
       # Solution: kill parent and children processes, remove .pid and restart        # Solution: kill parent and children processes, remove .pid and restart
   `killall -9 lonc`;  
   unlink($loncfile);  
   $restartflag=1;    $restartflag=1;
       }  
       print $fh         print $fh 
   "<h3>Deciding to clean up stale .pid file and restart lonc</h3>";    "<h3>Decided to clean up stale .pid file and restart lonc</h3>";
    }     }
 }   } 
 if ($restartflag==1) {  if ($restartflag==1) {
    $errors++;     $errors++;
     print $fh '<br><font color="red">Killall lonc: '.
               system('killall lonc').' - ';
             sleep 2;
             print $fh unlink($loncfile).' - '.system('killall -9 lonc').
                       '</font><br>';
    print $fh "<h3>lonc not running, trying to start</h3>";     print $fh "<h3>lonc not running, trying to start</h3>";
  system(   system(
  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");   "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
    sleep 120;     sleep 2;
    if (-e $loncfile) {     if (-e $loncfile) {
        print $fh "Seems like it started ...<p>";         print $fh "Seems like it started ...<p>";
        my $lfh=IO::File->new("$loncfile");         my $lfh=IO::File->new("$loncfile");
        my $loncpid=<$lfh>;         my $loncpid=<$lfh>;
        chomp($loncpid);         chomp($loncpid);
        sleep 30;         sleep 2;
        if (kill 0 => $loncpid) {         if (kill 0 => $loncpid) {
           print $fh "<h3>lonc at pid $loncpid responding</h3>";            print $fh "<h3>lonc at pid $loncpid responding</h3>";
        } else {         } else {
Line 534  if ($restartflag==1) { Line 569  if ($restartflag==1) {
           print $fh "Give it one more try ...<p>";            print $fh "Give it one more try ...<p>";
    system(     system(
  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");   "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
           sleep 120;            sleep 2;
        }         }
    } else {     } else {
        print $fh "Seems like that did not work!<p>";         print $fh "Seems like that did not work!<p>";
Line 569  if ($size>40000) { Line 604  if ($size>40000) {
   
         
 &errout($fh);  &errout($fh);
   # -------------------------------------------------------------------- lonhttpd
   
   print $fh '<hr><a name="lonhttpd"><h2>lonhttpd</h2><h3>Log</h3><pre>';
   print "lonhttpd\n";
   
   if (-e "$perlvar{'lonDaemons'}/logs/lonhttpd.log"){
   open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonhttpd.log|");
   while ($line=<DFH>) { 
      print $fh "$line";
      if ($line=~/INFO/) { $notices++; }
      if ($line=~/WARNING/) { $notices++; }
      if ($line=~/CRITICAL/) { $warnings++; }
   };
   close (DFH);
   }
   print $fh "</pre>";
   
   my $lonhttpdfile="$perlvar{'lonDaemons'}/logs/lonhttpd.pid";
   
   $restartflag=1;
   if (-e $lonhttpdfile) {
      my $lfh=IO::File->new("$lonhttpdfile");
      my $lonhttpdpid=<$lfh>;
      chomp($lonhttpdpid);
      if (kill 0 => $lonhttpdpid) {
         print $fh "<h3>lonhttpd at pid $lonhttpdpid responding</h3>";
         $restartflag=0;
      } else {
         $errors++;
         print $fh "<h3>lonhttpd at pid $lonhttpdpid not responding</h3>";
         # Solution: kill parent and children processes, remove .pid and restart
     $restartflag=1;
         print $fh 
     "<h3>Decided to clean up stale .pid file and restart lonhttpd</h3>";
      }
   } 
   if ($restartflag==1) {
      $errors++;
     print $fh '<br><font color="red">Killall lonhttpd: '.
               system('killall lonhttpd').' - ';
             sleep 2;
             print $fh unlink($lonhttpdfile).' - '.system('killall -9 lonhttpd').
                       '</font><br>';
      print $fh "<h3>lonhttpd not running, trying to start</h3>";
    system(
    "$perlvar{'lonDaemons'}/lonhttpd 2>>$perlvar{'lonDaemons'}/logs/lonhttpd_errors");
      sleep 2;
      if (-e $lonhttpdfile) {
          print $fh "Seems like it started ...<p>";
          my $lfh=IO::File->new("$lonhttpdfile");
          my $lonhttpdpid=<$lfh>;
          chomp($lonhttpdpid);
          sleep 2;
          if (kill 0 => $lonhttpdpid) {
             print $fh "<h3>lonhttpd at pid $lonhttpdpid responding</h3>";
          } else {
             $errors++; $errors++;
             print $fh "<h3>lonhttpd at pid $lonhttpdpid not responding</h3>";
             print $fh "Give it one more try ...<p>";
      system(
    "$perlvar{'lonDaemons'}/lonhttpd 2>>$perlvar{'lonDaemons'}/logs/lonhttpd_errors");
             sleep 2;
          }
      } else {
          print $fh "Seems like that did not work!<p>";
          $errors++;
      }
      if (-e "$perlvar{'lonDaemons'}/logs/lonhttpd.log") {
       print $fh "<p><pre>";
       open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonhttpd.log|");
       while ($line=<DFH>) { 
         print $fh "$line";
         if ($line=~/WARNING/) { $notices++; }
         if ($line=~/CRITICAL/) { $notices++; }
       };
       close (DFH);
       print $fh "</pre>";
      }
   }
   
   $fname="$perlvar{'lonDaemons'}/logs/lonhttpd.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");
   }
   
      
   &errout($fh);
 # ---------------------------------------------------------------------- lonnet  # ---------------------------------------------------------------------- lonnet
   
 print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';  print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
   print "lonnet\n";
 if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){  if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");  open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
Line 610  print $fh "</pre>"; Line 742  print $fh "</pre>";
 print $fh '<hr><a name="connections"><h2>Connections</h2>';  print $fh '<hr><a name="connections"><h2>Connections</h2>';
   
 print $fh "<table border=2>";  print $fh "<table border=2>";
 foreach $tryserver (keys %hostname) {  foreach $tryserver (sort(keys(%hostname))) {
   
     $answer=reply("pong",$tryserver);      $answer=reply("pong",$tryserver);
     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {      if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
Line 629  print $fh "</table>"; Line 761  print $fh "</table>";
 # ------------------------------------------------------------ Delayed messages  # ------------------------------------------------------------ Delayed messages
   
 print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';  print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
   print "buffers\n";
   
 print $fh '<h3>Scanning Permanent Log</h3>';  print $fh '<h3>Scanning Permanent Log</h3>';
   
Line 665  print $fh "<h1>Total Error Count: $total Line 798  print $fh "<h1>Total Error Count: $total
 $now=time;  $now=time;
 $date=localtime($now);  $date=localtime($now);
 print $fh "<hr>$date ($now)</body></html>\n";  print $fh "<hr>$date ($now)</body></html>\n";
   print "writing done\n";
 }  }
   
 rename ("$statusdir/newstatus.html","$statusdir/index.html");  rename ("$statusdir/newstatus.html","$statusdir/index.html");
   
 if ($totalcount>200) {  if ($totalcount>200) {
    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";     print "mailing\n";
      $emailto="$perlvar{'lonAdmEMail'}";
      if ($totalcount>600) {
         $emailto.=",$perlvar{'lonSysEMail'}";
      }
    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";      $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
    system(     system(
  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");   "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
Removed from v.1.19  
changed lines
  Added in v.1.38

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