--- loncom/lonnet/perl/lonnet.pm	2014/04/30 23:19:24	1.1172.2.45
+++ loncom/lonnet/perl/lonnet.pm	2014/06/25 18:44:10	1.1172.2.52
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.45 2014/04/30 23:19:24 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.52 2014/06/25 18:44:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -956,13 +956,30 @@ sub has_user_session {
 # --------- determine least loaded server in a user's domain which allows login
 
 sub choose_server {
-    my ($udom,$checkloginvia,$required) = @_;
+    my ($udom,$checkloginvia,$required,$skiploadbal) = @_;
     my %domconfhash = &Apache::loncommon::get_domainconf($udom);
     my %servers = &get_servers($udom);
     my $lowest_load = 30000;
-    my ($login_host,$hostname,$portal_path,$isredirect);
+    my ($login_host,$hostname,$portal_path,$isredirect,$balancers);
+    if ($skiploadbal) {
+        ($balancers,my $cached)=&is_cached_new('loadbalancing',$udom);
+        unless (defined($cached)) {
+            my $cachetime = 60*60*24;
+            my %domconfig =
+                &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
+            if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
+                $balancers = &do_cache_new('loadbalancing',$udom,$domconfig{'loadbalancing'},
+                                           $cachetime);
+            }
+        }
+    }
     foreach my $lonhost (keys(%servers)) {
         my $loginvia;
+        if ($skiploadbal) {
+            if (ref($balancers) eq 'HASH') {
+                next if (exists($balancers->{$lonhost}));
+            }
+        }
         if ($checkloginvia) {
             $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
             if ($loginvia) {
@@ -2006,7 +2023,8 @@ sub get_domain_defaults {
          &Apache::lonnet::get_dom('configuration',['defaults','quotas',
                                   'requestcourses','inststatus',
                                   'coursedefaults','usersessions',
-                                  'requestauthor','selfenrollment'],$domain);
+                                  'requestauthor','selfenrollment',
+                                  'coursecategories'],$domain);
     my @coursetypes = ('official','unofficial','community','textbook');
     if (ref($domconfig{'defaults'}) eq 'HASH') {
         $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; 
@@ -2097,6 +2115,16 @@ sub get_domain_defaults {
             }
         }
     }
+    if (ref($domconfig{'coursecategories'}) eq 'HASH') {
+        $domdefaults{'catauth'} = 'std';
+        $domdefaults{'catunauth'} = 'std';
+        if ($domconfig{'coursecategories'}{'auth'}) {
+            $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'};
+        }
+        if ($domconfig{'coursecategories'}{'unauth'}) {
+            $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
+        }
+    }
     &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
     return %domdefaults;
 }
@@ -5735,7 +5763,15 @@ sub currentdump {
    $sdom     = $env{'user.domain'}       if (! defined($sdom));
    $sname    = $env{'user.name'}         if (! defined($sname));
    my $uhome = &homeserver($sname,$sdom);
-   my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
+   my $rep;
+
+   if (grep { $_ eq $uhome } current_machine_ids()) {
+       $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,
+                   $courseid)));
+   } else {
+       $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
+   }
+
    return if ($rep =~ /^(error:|no_such_host)/);
    #
    my %returnhash=();
@@ -10261,7 +10297,7 @@ sub metadata {
         ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
 	return undef;
     }
-    if (($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) 
+    if (($uri =~ /^priv/ || $uri=~m{^home/httpd/html/priv}) 
 	&& &Apache::lonxml::get_state('target') =~ /^(|meta)$/) {
 	return undef;
     }
@@ -11318,8 +11354,12 @@ sub rndseed_CODE_64bit5 {
 sub setup_random_from_rndseed {
     my ($rndseed)=@_;
     if ($rndseed =~/([,:])/) {
-	my ($num1,$num2)=split(/[,:]/,$rndseed);
-	&Math::Random::random_set_seed(abs($num1),abs($num2));
+	my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));
+        if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) {
+            &Math::Random::random_set_seed_from_phrase($rndseed);
+        } else {
+            &Math::Random::random_set_seed($num1,$num2);
+        }
     } else {
 	&Math::Random::random_set_seed_from_phrase($rndseed);
     }
@@ -11710,7 +11750,9 @@ sub default_login_domain {
 sub declutter {
     my $thisfn=shift;
     if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
-    $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;
+    unless ($thisfn=~m{^/home/httpd/html/priv/}) {
+        $thisfn=~s{^/home/httpd/html}{};
+    }
     $thisfn=~s/^\///;
     $thisfn=~s|^adm/wrapper/||;
     $thisfn=~s|^adm/coursedocs/showdoc/||;
@@ -11837,7 +11879,7 @@ sub get_dns {
 	$alldns{$host} = $protocol;
     }
     while (%alldns) {
-	my ($dns) = keys(%alldns);
+	my ($dns) = sort { $b cmp $a } keys(%alldns);
 	my $ua=new LWP::UserAgent;
         $ua->timeout(30);
 	my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
@@ -11890,7 +11932,7 @@ sub parse_dns_checksums_tab {
 sub fetch_dns_checksums {
     my %checksums;
     my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
-    my $loncaparev = &get_server_loncaparev($machine_dom);
+    my $loncaparev = &get_server_loncaparev($machine_dom,$perlvar{'lonHostID'});
     my ($release,$timestamp) = split(/\-/,$loncaparev);
     &get_dns("/adm/dns/checksums/$release",\&parse_dns_checksums_tab,1,1,
              \%checksums);
@@ -13678,7 +13720,8 @@ filelocation except for hrefs
 
 =item *
 
-declutter() : declutters URLs (remove docroot, beginning slashes, 'res' etc)
+declutter() : declutters URLs -- remove beginning slashes, 'res' etc.
+also removes beginning /home/httpd/html unless /priv/ follows it.
 
 =back