--- loncom/loncron	2002/07/27 19:06:41	1.32
+++ loncom/loncron	2003/09/10 19:13:09	1.42
@@ -9,13 +9,9 @@
 #
 # 7/14,7/15,7/19,7/21,7/22,11/18,
 # 2/8 Gerd Kortemeyer
-# 12/6/2000,12/8 Scott Harrison
 # 12/23 Gerd Kortemeyer
 # YEAR=2001
-# 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21,8/27 Scott Harrison
 # 09/04,09/06,11/26 Gerd Kortemeyer
-# YEAR=2002
-# 5/11/2002 Scott Harrison
 
 $|=1;
 
@@ -53,11 +49,132 @@ sub errout {
 ENDERROUT
 }
 
+sub start_daemon {
+    my ($fh,$daemon,$pidfile) = @_;
+    system("$perlvar{'lonDaemons'}/$daemon 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
+    sleep 2;
+    if (-e $pidfile) {
+	print $fh "Seems like it started ...<p>";
+	my $lfh=IO::File->new("$pidfile");
+	my $daemonpid=<$lfh>;
+	chomp($daemonpid);
+	sleep 2;
+	if (kill 0 => $daemonpid) {
+	    return 1;
+	} else {
+	    return 0;
+	}
+    }
+    print $fh "Seems like that did not work!<p>";
+    $errors++;
+    return 0;
+}
+
+sub checkon_daemon {
+    my ($fh,$daemon,$maxsize,$sendusr1)=@_;
+
+    print $fh '<hr><a name="'.$daemon.'"><h2>'.$daemon.'</h2><h3>Log</h3><pre>';
+    printf("%-10s ",$daemon);
+    if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
+	open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.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 $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
+    
+    my $restartflag=1;
+    
+    if (-e $pidfile) {
+	my $lfh=IO::File->new("$pidfile");
+	my $daemonpid=<$lfh>;
+	chomp($daemonpid);
+	if (kill 0 => $daemonpid) {
+	    print $fh "<h3>$daemon at pid $daemonpid responding";
+	    if ($sendusr1) { print $fh ", sending USR1"; }
+	    print $fh "</h3>";
+	    if ($sendusr1) { kill USR1 => $daemonpid; }
+	    $restartflag=0;
+	    print "running\n";
+	} else {
+	    $errors++;
+	    print $fh "<h3>$daemon at pid $daemonpid not responding</h3>";
+	    $restartflag=1;
+	    print $fh "<h3>Decided to clean up stale .pid file and restart $daemon</h3>";
+	}
+    }
+    if ($restartflag==1) {
+	$simplestatus{$daemon}='off';
+	$errors++;
+	print $fh '<br><font color="red">Killall '.$daemon.': '.
+	    `killall $daemon 2>&1`.' - ';
+	sleep 2;
+	print $fh unlink($pidfile).' - '.
+	    `killall -9 $daemon 2>&1`.
+	    '</font><br>';
+	print $fh "<h3>$daemon not running, trying to start</h3>";
+	
+	if (&start_daemon($fh,$daemon,$pidfile)) {
+	    print $fh "<h3>$daemon at pid $daemonpid responding</h3>";
+	    $simplestatus{$daemon}='restarted';
+	    print "started\n";
+	} else {
+	    $errors++;
+	    print $fh "<h3>$daemon at pid $daemonpid not responding</h3>";
+	    print $fh "Give it one more try ...<p>";
+	    print " ";
+	    if (&start_daemon($fh,$daemon,$pidfile)) {
+		print $fh "<h3>$daemon at pid $daemonpid responding</h3>";
+		$simplestatus{$daemon}='restarted';
+		print "started\n";
+	    } else {
+		print " failed\n";
+		$simplestatus{$daemon}='failed';
+		$errors++; $errors++;
+		print $fh "<h3>$daemon at pid $daemonpid not responding</h3>";
+		print $fh "Unable to start $daemon<p>";
+	    }
+	}
+
+	if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
+	    print $fh "<p><pre>";
+	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
+	    while ($line=<DFH>) { 
+		print $fh "$line";
+		if ($line=~/WARNING/) { $notices++; }
+		if ($line=~/CRITICAL/) { $notices++; }
+	    };
+	    close (DFH);
+	    print $fh "</pre>";
+	}
+    }
+    
+    $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
+    
+    my ($dev,$ino,$mode,$nlink,
+	$uid,$gid,$rdev,$size,
+	$atime,$mtime,$ctime,
+	$blksize,$blocks)=stat($fname);
+    
+    if ($size>$maxsize) {
+	print $fh "Rotating logs ...<p>";
+	rename("$fname.2","$fname.3");
+	rename("$fname.1","$fname.2");
+	rename("$fname","$fname.1");
+    }
+
+    &errout($fh);
+}
 # ================================================================ Main Program
 
 # --------------------------------- Read loncapa_apache.conf and loncapa.conf
-my $perlvarref=LONCAPA::Configuration::read_conf('loncapa_apache.conf',
-                                                 'loncapa.conf');
+my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
 %perlvar=%{$perlvarref};
 undef $perlvarref;
 delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
@@ -136,6 +253,7 @@ $date=localtime($now);
 
 {
 my $fh=IO::File->new(">$statusdir/newstatus.html");
+my %simplestatus=();
 
 print $fh (<<ENDHEADERS);
 <html>
@@ -155,6 +273,7 @@ print $fh (<<ENDHEADERS);
 <li><a href="#lonsql">lonsql</a>
 <li><a href="#lond">lond</a>
 <li><a href="#lonc">lonc</a>
+<li><a href="#lonhttpd">lonhttpd</a>
 <li><a href="#lonnet">lonnet</a>
 <li><a href="#connections">Connections</a>
 <li><a href="#delayed">Delayed Messages</a>
@@ -220,7 +339,7 @@ while ($line=<DFH>) {
    } elsif ($usage>60) {
       $notices++;
    }
-   if ($usage>95) { $warnings++; $warnings++ }
+   if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
 }
 close (DFH);
 print $fh "</pre>";
@@ -319,299 +438,24 @@ print $fh "</pre>";
 
 # ---------------------------------------------------------------------- lonsql
 
-my $restartflag=1;
-if ($perlvar{'lonRole'} eq "library") {
+&checkon_daemon($fh,'lonsql',200000);
 
-    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);
-    }
-    print $fh "</pre>";
-    
-    my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
- 
-    $restartflag=1;
-   
-    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 $fh 
-	    "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
-	}
-    }
-    if ($restartflag==1) {
-	$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 $fh "<h3>lonsql not running, trying to start</h3>";
-	system(
- "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
-	sleep 2;
-	if (-e $lonsqlfile) {
-	    print $fh "Seems like it started ...<p>";
-	    my $lfh=IO::File->new("$lonsqlfile");
-	    my $lonsqlpid=<$lfh>;
-	    chomp($lonsqlpid);
-	    sleep 2;
-	    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 2;
-	    }
-	} 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 ($dev,$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);
-}
 # ------------------------------------------------------------------------ lond
 
-print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
-print "lond\n";
-
-if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
-open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
-while ($line=<DFH>) { 
-   print $fh "$line";
-   if ($line=~/INFO/) { $notices++; }
-   if ($line=~/WARNING/) { $notices++; }
-   if ($line=~/CRITICAL/) { $warnings++; }
-};
-close (DFH);
-}
-print $fh "</pre>";
-
-my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
-
-$restartflag=1;
-if (-e $londfile) {    
-   my $lfh=IO::File->new("$londfile");
-   my $londpid=<$lfh>;
-   chomp($londpid);
-   if (kill 0 => $londpid) {
-      print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
-      kill USR1 => $londpid;
-      $restartflag=0;
-   } else {
-      $errors++;
-      print $fh "<h3>lond at pid $londpid not responding</h3>";
-      $restartflag=1;
-      print $fh 
-	  "<h3>Decided to clean up stale .pid file and restart lond</h3>";
-   }
-} 
-if ($restartflag==1) {
-   $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 $fh "<h3>lond not running, trying to start</h3>";
-   system(
-     "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
-   sleep 2;
-   if (-e $londfile) {
-       print $fh "Seems like it started ...<p>";
-       my $lfh=IO::File->new("$londfile");
-       my $londpid=<$lfh>;
-       chomp($londpid);
-       sleep 2;
-       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 2;
-       }
-   } 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,
-                              $uid,$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","$fname.1");
-}
+&checkon_daemon($fh,'lond',40000,1);
 
-&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";
+&checkon_daemon($fh,'lonc',40000,1);
 
-$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 2;
-          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 2;
-   if (-e $loncfile) {
-       print $fh "Seems like it started ...<p>";
-       my $lfh=IO::File->new("$loncfile");
-       my $loncpid=<$lfh>;
-       chomp($loncpid);
-       sleep 2;
-       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 2;
-       }
-   } 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>";
-   }
-}
+# -------------------------------------------------------------------- lonhttpd
 
-$fname="$perlvar{'lonDaemons'}/logs/lonc.log";
+&checkon_daemon($fh,'lonhttpd',40000);
 
-                          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
 
 print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
-print "lonnet\n";
+print "checking logs\n";
 if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
 while ($line=<DFH>) { 
@@ -648,10 +492,10 @@ print $fh "</pre>";
 # ----------------------------------------------------------------- Connections
 
 print $fh '<hr><a name="connections"><h2>Connections</h2>';
-
+print "testing connections\n";
 print $fh "<table border=2>";
 foreach $tryserver (sort(keys(%hostname))) {
-
+    print(".");
     $answer=reply("pong",$tryserver);
     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
 	$result="<b>ok</b>";
@@ -660,6 +504,7 @@ foreach $tryserver (sort(keys(%hostname)
         $warnings++;
         if ($answer eq 'con_lost') { $warnings++; }
     }
+    if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
 
 }
@@ -669,7 +514,7 @@ print $fh "</table>";
 # ------------------------------------------------------------ Delayed messages
 
 print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
-print "buffers\n";
+print "checking buffers\n";
 
 print $fh '<h3>Scanning Permanent Log</h3>';
 
@@ -680,7 +525,7 @@ $unsend=0;
 	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
         if ($sdf eq 'F') { 
 	    $local=localtime($time);
-            print "<b>Failed: $time, $dserv, $dcmd</b><br>";
+            print $fh "<b>Failed: $time, $dserv, $dcmd</b><br>";
             $warnings++;
         }
         if ($sdf eq 'S') { $unsend--; }
@@ -690,6 +535,7 @@ $unsend=0;
 print $fh "Total unsend messages: <b>$unsend</b><p>\n";
 $warnings=$warnings+5*$unsend;
 
+if ($unsend) { $simplestatus{'unsend'}=$unsend; }
 print $fh "<h3>Outgoing Buffer</h3>";
 
 open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
@@ -706,14 +552,29 @@ print $fh "<h1>Total Error Count: $total
 $now=time;
 $date=localtime($now);
 print $fh "<hr>$date ($now)</body></html>\n";
-print "writing done\n";
+print "lon-status webpage updated\n";
+$fh->close();
 }
+if ($errors) { $simplestatus{'errors'}=$errors; }
+if ($warnings) { $simplestatus{'warnings'}=$warnings; }
+if ($notices) { $simplestatus{'notices'}=$notices; }
+$simplestatus{'time'}=time;
 
 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();
+}
 if ($totalcount>200) {
-   print "mailing\n";
-   $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
+   print "sending mail\n";
+   $emailto="$perlvar{'lonAdmEMail'}";
+   if ($totalcount>1000) {
+      $emailto.=",$perlvar{'lonSysEMail'}";
+   }
    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
    system(
  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");