--- loncom/lonnet/perl/lonnet.pm	2007/07/26 04:05:43	1.900
+++ loncom/lonnet/perl/lonnet.pm	2007/08/10 22:14:54	1.905
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.900 2007/07/26 04:05:43 albertel Exp $
+# $Id: lonnet.pm,v 1.905 2007/08/10 22:14:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -862,16 +862,28 @@ sub inst_directory_query {
     my %results;
     my $homeserver = &domain($udom,'primary');
     if ($homeserver ne '') {
-        my $response=&reply("instdirsrch:$udom".':'.
-                            &escape($srch->{'srchby'}).':'.
-                            &escape($srch->{'srchterm'}).':'.
-                            $srch->{'srchtype'},$homeserver);
-        if ($response ne 'refused') {
-            my @matches = split/&/,$response;
+	my $queryid=&reply("querysend:instdirsearch:".
+			   &escape($srch->{'srchby'}).':'.
+			   &escape($srch->{'srchterm'}).':'.
+			   &escape($srch->{'srchtype'}),$homeserver);
+	my $host=&hostname($homeserver);
+	if ($queryid !~/^\Q$host\E\_/) {
+	    &logthis('instituional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
+	    return;
+	}
+	my $response = &get_query_reply($queryid);
+	my $maxtries = 5;
+	my $tries = 1;
+	while (($response=~/^timeout/) && ($tries < $maxtries)) {
+	    $response = &get_query_reply($queryid);
+	    $tries ++;
+	}
+
+        if (!&error($response) && $response ne 'refused') {
+            my @matches = split(/\n/,$response);
             foreach my $match (@matches) {
                 my ($key,$value) = split(/=/,$match);
-                my %userhash = &str2hash(&unescape($value));
-                $results{&unescape($key).':'.$udom} = \%userhash;
+                $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
             }
         }
     }
@@ -894,7 +906,7 @@ sub usersearch {
                        &escape($srch->{'srchterm'}),$tryserver);
             if ($queryid !~/^\Q$host\E\_/) {
                 &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver);
-                return 'error: '.$queryid;
+                next;
             }
             my $reply = &get_query_reply($queryid);
             my $maxtries = 1;
@@ -2081,7 +2093,7 @@ sub flushcourselogs {
 #
     my %domrolebuffer = ();
     foreach my $entry (keys %domainrolehash) {
-        my ($role,$uname,$udom,$runame,$rudom,$rsec)=split/:/,$entry;
+        my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
         if ($domrolebuffer{$rudom}) {
             $domrolebuffer{$rudom}.='&'.&escape($entry).
                       '='.&escape($domainrolehash{$entry});
@@ -2203,7 +2215,6 @@ sub userrolelog {
          {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
                     = $tend.':'.$tstart;
     }
-    &flushcourselogs();
 }
 
 sub get_course_adv_roles {
@@ -4499,7 +4510,7 @@ sub fetch_enrollment_query {
     if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
         &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
     } else {
-        my @responses = split/:/,$reply;
+        my @responses = split(/:/,$reply);
         if ($homeserver eq $perlvar{'lonHostID'}) {
             foreach my $line (@responses) {
                 my ($key,$value) = split(/=/,$line,2);
@@ -4542,8 +4553,8 @@ sub get_query_reply {
 	sleep 2;
         if (-e $replyfile.'.end') {
 	    if (open(my $fh,$replyfile)) {
-               $reply.=<$fh>;
-               close($fh);
+		$reply = join('',<$fh>);
+		close($fh);
 	   } else { return 'error: reply_file_error'; }
            return &unescape($reply);
 	}
@@ -4609,7 +4620,7 @@ sub auto_get_sections {
     my @secs = ();
     my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
     unless ($response eq 'refused') {
-        @secs = split/:/,$response;
+        @secs = split(/:/,$response);
     }
     return @secs;
 }
@@ -4648,7 +4659,7 @@ sub auto_create_password {
         if ($response eq 'refused') {
             $authchk = 'refused';
         } else {
-            ($authparam,$create_passwd,$authchk) = split/:/,$response;
+            ($authparam,$create_passwd,$authchk) = split(/:/,$response);
         }
     }
     return ($authparam,$create_passwd,$authchk);
@@ -4756,7 +4767,7 @@ sub auto_instcode_format {
         $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server);
         if ($response !~ /(con_lost|error|no_such_host|refused)/) {
             my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = 
-		split/:/,$response;
+		split(/:/,$response);
             %{$codes} = (%{$codes},&str2hash($codes_str));
             push(@{$codetitles},&str2array($codetitles_str));
             %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str));
@@ -6306,6 +6317,12 @@ sub EXT {
 	    my ($map) = &decode_symb($symbparm);
 	    return &symbread($map);
 	}
+	if ($space eq 'filename') {
+	    if ($symbparm) {
+		return &clutter((&decode_symb($symbparm))[2]);
+	    }
+	    return &hreflocation('',$env{'request.filename'});
+	}
 
 	my ($section, $group, @groups);
 	my ($courselevelm,$courselevel);