--- loncom/interface/domainprefs.pm	2009/08/22 18:48:56	1.106
+++ loncom/interface/domainprefs.pm	2009/11/16 04:03:05	1.119
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.106 2009/08/22 18:48:56 raeburn Exp $
+# $Id: domainprefs.pm,v 1.119 2009/11/16 04:03:05 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -202,11 +202,11 @@ sub handler {
                 'quotas','autoenroll','autoupdate','directorysrch',
                 'usercreation','usermodification','contacts','defaults',
                 'scantron','coursecategories','serverstatuses',
-                'requestcourses'],$dom);
+                'requestcourses','helpsettings'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','directorysrch','contacts',
                        'usercreation','usermodification','scantron',
-                       'requestcourses','coursecategories','serverstatuses');
+                       'requestcourses','coursecategories','serverstatuses','helpsettings');
     my %prefs = (
         'rolecolors' =>
                    { text => 'Default color schemes',
@@ -220,12 +220,13 @@ sub handler {
                                 {col1 => 'Administrator Settings',
                                  col2 => '',}],
                     },
-        'login' =>  
+        'login' =>
                     { text => 'Log-in page options',
                       help => 'Domain_Configuration_Login_Page',
                       header => [{col1 => 'Item',
                                   col2 => '',}],
                     },
+
         'defaults' => 
                     { text => 'Default authentication/language/timezone',
                       help => 'Domain_Configuration_LangTZAuth',
@@ -318,7 +319,23 @@ sub handler {
                               col3 => 'Specific IPs',
                             }],
                  },
+        'helpsettings' =>
+                 {text   => 'Help page settings',
+                  help   => 'Domain_Configuration_Help_Settings',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                 },
     );
+    my %servers = &dom_servers($dom);
+    if (keys(%servers) > 1) {
+        $prefs{'login'}  = { text   => 'Log-in page options',
+                             help   => 'Domain_Configuration_Login_Page',
+                            header => [{col1 => 'Log-in Service',
+                                        col2 => 'Server Setting',},
+                                       {col1 => 'Log-in Page Items',
+                                        col2 => ''}],
+                           };
+    }
     my @roles = ('student','coordinator','author','admin');
     my @actions = &Apache::loncommon::get_env_multiple('form.actions');
     &Apache::lonhtmlcommon::add_breadcrumb
@@ -404,6 +421,8 @@ sub process_changes {
         $output = &modify_serverstatuses($dom,%domconfig);
     } elsif ($action eq 'requestcourses') {
         $output = &modify_quotas($dom,$action,%domconfig);
+    } elsif ($action eq 'helpsettings') {
+        $output = &modify_helpsettings($dom,%domconfig);
     }
     return $output;
 }
@@ -423,9 +442,11 @@ sub print_config_box {
            &Apache::loncommon::help_open_topic($item->{'help'}).'</span></th>'."\n".
           '</tr>';
     $rowtotal ++;
-    if (($action eq 'autoupdate') || ($action eq 'rolecolors') || 
-        ($action eq 'usercreation') || ($action eq 'usermodification') ||
-        ($action eq 'coursecategories') || ($action eq 'requestcourses')) {
+    my $numheaders = 1;
+    if (ref($item->{'header'}) eq 'ARRAY') {
+        $numheaders = scalar(@{$item->{'header'}});
+    }
+    if ($numheaders > 1) {
         my $colspan = '';
         if (($action eq 'rolecolors') || ($action eq 'coursecategories')) {
             $colspan = ' colspan="2"';
@@ -447,8 +468,13 @@ sub print_config_box {
             $output .= &print_usermodification('top',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
             $output .= &print_coursecategories('top',$dom,$item,$settings,\$rowtotal);
+        } elsif ($action eq 'login') {
+            $output .= &print_login('top',$dom,$confname,$phase,$settings,\$rowtotal);
+            $colspan = ' colspan="2"';
         } elsif ($action eq 'requestcourses') {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
+        } elsif ($action eq 'helpsettings') {
+            $output .= &print_helpsettings($dom,$settings,\$rowtotal);
         } else {
             $output .= &print_rolecolors($phase,'student',$dom,$confname,$settings,\$rowtotal);
         }
@@ -496,6 +522,8 @@ sub print_config_box {
             $rowtotal ++;
         } elsif ($action eq 'coursecategories') {
             $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
+        } elsif ($action eq 'login') {
+            $output .= &print_login('bottom',$dom,$confname,$phase,$settings,\$rowtotal);
         } elsif ($action eq 'requestcourses') {
             $output .= &print_courserequestmail($dom,$settings,\$rowtotal);
         } else {
@@ -566,7 +594,8 @@ sub print_config_box {
         $output .= '</tr>';
         $rowtotal ++;
         if ($action eq 'login') {
-            $output .= &print_login($dom,$confname,$phase,$settings,\$rowtotal);
+            $output .= &print_login('bottom',$dom,$confname,$phase,$settings,
+                                    \$rowtotal);
         } elsif ($action eq 'quotas') {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
         } elsif ($action eq 'autoenroll') {
@@ -581,7 +610,9 @@ sub print_config_box {
             $output .= &print_scantronformat($r,$dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'serverstatuses') {
             $output .= &print_serverstatuses($dom,$settings,\$rowtotal);
-        }
+        } elsif ($action eq 'helpsettings') {
+        	$output .= &print_helpsettings($dom,$settings,\$rowtotal);
+    	}
     }
     $output .= '
    </table>
@@ -592,8 +623,48 @@ sub print_config_box {
 }
 
 sub print_login {
-    my ($dom,$confname,$phase,$settings,$rowtotal) = @_;
+    my ($position,$dom,$confname,$phase,$settings,$rowtotal) = @_;
+    my ($css_class,$datatable);
     my %choices = &login_choices();
+    my $itemcount = 1;
+
+    if ($position eq 'top') {
+        my %servers = &dom_servers($dom);
+        my $choice = $choices{'disallowlogin'};
+        $css_class = ' class="LC_odd_row"';
+        $datatable .= '<tr'.$css_class.'><td>'.$choices{'disallowlogin'}.'</td>'.
+                      '<td align="right"><table><tr><th>'.$choices{'hostid'}.'</th>'.
+                      '<th>'.$choices{'serverurl'}.'</th></tr>'."\n";
+        my %disallowed;
+        if (ref($settings) eq 'HASH') {
+            if (ref($settings->{'loginvia'}) eq 'HASH') {
+               %disallowed = %{$settings->{'loginvia'}};
+            }
+        }
+        foreach my $lonhost (sort(keys(%servers))) {
+            my $direct = 'selected="selected"';
+            if ($disallowed{$lonhost} eq '') {
+                $direct = '';
+            }
+            $datatable .= '<tr><td>'.$servers{$lonhost}.'</td>'.
+                          '<td><select name="'.$lonhost.'_serverurl">'.
+                          '<option value=""'.$direct.'>'.$choices{'directlogin'}.
+                          '</option>';
+            foreach my $hostid (keys(%servers)) {
+                next if ($servers{$hostid} eq $servers{$lonhost});
+                my $selected = '';
+                if ($hostid eq $disallowed{$lonhost}) {
+                    $selected = 'selected="selected"';
+                }
+                $datatable .= '<option value="'.$hostid.'"'.$selected.'>'.
+                              $servers{$hostid}.'</option>';
+            }
+            $datatable .= '</select></td></tr>';
+        }
+        $datatable .= '</table></td></tr>';
+        return $datatable;
+    }
+
     my %defaultchecked = ( 
                            'coursecatalog' => 'on',
                            'adminmail'     => 'off',
@@ -728,24 +799,28 @@ sub print_login {
 sub login_choices {
     my %choices =
         &Apache::lonlocal::texthash (
-            coursecatalog => 'Display Course Catalog link?',
-            adminmail => "Display Administrator's E-mail Address?",
-            newuser   => "Link to create a user account",
-            img => "Header",
-            logo => "Main Logo",
-            domlogo => "Domain Logo",
-            login => "Log-in Header", 
-            textcol => "Text color",
-            bgcol   => "Box color",
-            bgs => "Background colors",
-            links => "Link colors",
-            font => "Font color",
-            pgbg => "Header",
-            mainbg => "Page",
-            sidebg => "Login box",
-            link => "Link",
-            alink => "Active link",
-            vlink => "Visited link",
+            coursecatalog => 'Display Course/Community Catalog link?',
+            adminmail     => "Display Administrator's E-mail Address?",
+            disallowlogin => "Login page requests redirected",
+            hostid        => "Server",
+            serverurl     => "Redirect to log-in via:",
+            directlogin   => "No redirect",
+            newuser       => "Link to create a user account",
+            img           => "Header",
+            logo          => "Main Logo",
+            domlogo       => "Domain Logo",
+            login         => "Log-in Header", 
+            textcol       => "Text color",
+            bgcol         => "Box color",
+            bgs           => "Background colors",
+            links         => "Link colors",
+            font          => "Font color",
+            pgbg          => "Header",
+            mainbg        => "Page",
+            sidebg        => "Login box",
+            link          => "Link",
+            alink         => "Active link",
+            vlink         => "Visited link",
         );
     return %choices;
 }
@@ -849,20 +924,22 @@ sub display_color_options {
                   '&nbsp;<span id="css_'.$role.'_font" style="background-color: '.
                   $designs->{'font'}.';">&nbsp;&nbsp;&nbsp;</span>'.
                   '</span></td></tr>';
-    $datatable .= '<tr'.$css_class.'>'.
-        '<td>'.$choices->{'fontmenu'}.'</td>';
-    if (!$is_custom->{'fontmenu'}) {
-        $datatable .=  '<td>'.&mt('Default in use:').'&nbsp;<span id="css_default_'.$role.'_font" style="color: '.$defaults->{'fontmenu'}.';">'.$defaults->{'fontmenu'}.'</span></td>';
-    } else {
-        $datatable .= '<td>&nbsp;</td>';
+    unless ($role eq 'login') { 
+        $datatable .= '<tr'.$css_class.'>'.
+                      '<td>'.$choices->{'fontmenu'}.'</td>';
+        if (!$is_custom->{'fontmenu'}) {
+            $datatable .=  '<td>'.&mt('Default in use:').'&nbsp;<span id="css_default_'.$role.'_font" style="color: '.$defaults->{'fontmenu'}.';">'.$defaults->{'fontmenu'}.'</span></td>';
+        } else {
+            $datatable .= '<td>&nbsp;</td>';
+        }
+        $fontlink = &color_pick($phase,$role,'fontmenu',$choices->{'fontmenu'},$designs->{'fontmenu'});
+        $datatable .= '<td><span class="LC_nobreak">'.
+                      '<input type="text" size="10" name="'.$role.'_fontmenu"'.
+                      ' value="'.$designs->{'fontmenu'}.'" />&nbsp;'.$fontlink.
+                      '&nbsp;<span id="css_'.$role.'_fontmenu" style="background-color: '.
+                      $designs->{'fontmenu'}.';">&nbsp;&nbsp;&nbsp;</span>'.
+                      '</span></td></tr>';
     }
-    $fontlink = &color_pick($phase,$role,'fontmenu',$choices->{'fontmenu'},$designs->{'fontmenu'});
-    $datatable .= '<td><span class="LC_nobreak">'.
-                  '<input type="text" size="10" name="'.$role.'_fontmenu"'.
-                  ' value="'.$designs->{'fontmenu'}.'" />&nbsp;'.$fontlink.
-                  '&nbsp;<span id="css_'.$role.'_fontmenu" style="background-color: '.
-                  $designs->{'fontmenu'}.';">&nbsp;&nbsp;&nbsp;</span>'.
-                  '</span></td></tr>';
     my $switchserver = &check_switchserver($dom,$confname);
     foreach my $img (@{$images}) {
 	$itemcount ++;
@@ -1371,16 +1448,15 @@ sub print_quotas {
     $datatable .= '<tr'.$css_class.'>'.
                   '<td>'.&mt('LON-CAPA Advanced Users').' ';
     if ($context eq 'requestcourses') {
-        $datatable .= &mt('(overrides affiliation, if set)');
-    } else {
-        $datatable .= &mt('(overrides affiliation, if checked)');
-    }
-    $datatable .= '</td>'.
-                  '<td class="LC_left_item" colspan="2">';
-    if ($context eq 'requestcourses') {
-        $datatable .= '<table><tr>';
+        $datatable .= &mt('(overrides affiliation, if set)').
+                      '</td>'.
+                      '<td class="LC_left_item">'.
+                      '<table><tr>';
     } else {
-        $datatable .= '<br />';
+        $datatable .= &mt('(overrides affiliation, if checked)').
+                      '</td>'.
+                      '<td class="LC_left_item" colspan="2">'.
+                      '<br />';
     }
     my %advcell;
     foreach my $item (@usertools) {
@@ -1852,6 +1928,62 @@ sub print_contacts {
     return $datatable;
 }
 
+sub print_helpsettings {
+
+	my ($dom,$settings,$rowtotal) = @_;
+	my ($css_class,$datatable);
+	my $itemcount = 1;
+	my (%checkedon,%checkedoff,%choices,%defaultchecked,@toggles);
+	
+	%choices =
+        &Apache::lonlocal::texthash (
+            submitbugs => 'Display &quot;Submit a bug&quot; link?',
+    );
+	
+	%defaultchecked = ('submitbugs' => 'on');
+	
+	@toggles = ('submitbugs',);
+    
+    foreach my $item (@toggles) {
+        if ($defaultchecked{$item} eq 'on') { 
+            $checkedon{$item} = ' checked="checked" ';
+            $checkedoff{$item} = ' ';
+        } elsif ($defaultchecked{$item} eq 'off') {
+            $checkedoff{$item} = ' checked="checked" ';
+            $checkedon{$item} = ' ';
+        }
+    }
+    
+    if (ref($settings) eq 'HASH') {
+        foreach my $item (@toggles) {
+            if ($settings->{$item} eq '1') {
+                $checkedon{$item} =  ' checked="checked" ';
+                $checkedoff{$item} = ' ';
+            } elsif ($settings->{$item} eq '0') {
+                $checkedoff{$item} =  ' checked="checked" ';
+                $checkedon{$item} = ' ';
+            }
+        }
+     }
+    
+     foreach my $item (@toggles) {
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable .=  
+            '<tr'.$css_class.'><td><span class="LC_nobreak">'.$choices{$item}.
+            '</span></td>'.
+            '<td class="LC_right_item"><span class="LC_nobreak">'.
+            '<label><input type="radio" name="'.
+            $item.'" '.$checkedon{$item}.' value="1" />'.&mt('Yes').
+            '</label>&nbsp;<label><input type="radio" name="'.$item.'" '.
+            $checkedoff{$item}.' value="0" />'.&mt('No').'</label>'.
+            '</span></td>'.
+            '</tr>';
+        $itemcount ++;
+     }
+     return $datatable;
+	
+}
+
 sub contact_titles {
     my %titles = &Apache::lonlocal::texthash (
                    'supportemail' => 'Support E-mail address',
@@ -2657,7 +2789,7 @@ sub print_serverstatuses {
 sub serverstatus_pages {
     return ('userstatus','lonstatus','loncron','server-status','codeversions',
             'clusterstatus','metadata_keywords','metadata_harvest',
-            'takeoffline','takeonline','showenv');
+            'takeoffline','takeonline','showenv','toggledebug');
 }
 
 sub coursecategories_javascript {
@@ -2684,6 +2816,7 @@ sub coursecategories_javascript {
     }
     $output = <<"ENDSCRIPT";
 <script type="text/javascript">
+// <![CDATA[
 function reorderCats(form,parent,item,idx) {
     var changedVal;
 $jstext
@@ -2740,6 +2873,7 @@ $jstext
     }
     return;
 }
+// ]]>
 </script>
 
 ENDSCRIPT
@@ -3073,6 +3207,14 @@ sub modify_login {
                   newuser => 'Link for visitors to create a user account',
                   loginheader => 'Log-in box header');
     my @offon = ('off','on');
+    my %curr_loginvia;
+    if (ref($domconfig{login}) eq 'HASH') {
+        if (ref($domconfig{login}{loginvia}) eq 'HASH') {
+            foreach my $lonhost (keys(%{$domconfig{login}{loginvia}})) {
+                $curr_loginvia{$lonhost} = $domconfig{login}{loginvia}{$lonhost};
+            }
+        }
+    }
     my %loginhash;
     ($errors,%colchanges) = &modify_colors($r,$dom,$confname,['login'],
                                            \%domconfig,\%loginhash);
@@ -3085,6 +3227,26 @@ sub modify_login {
         $colchgtext = &display_colorchgs($dom,\%colchanges,['login'],
                                          \%loginhash);
     }
+
+    my %servers = &dom_servers($dom);
+    if (keys(%servers) > 1) {
+        foreach my $lonhost (keys(%servers)) {
+            next if ($env{'form.'.$lonhost.'_serverurl'} eq $lonhost);
+            if ($env{'form.'.$lonhost.'_serverurl'} eq $curr_loginvia{$lonhost}) {
+                $loginhash{login}{loginvia}{$lonhost} = $curr_loginvia{$lonhost};                next;
+            }
+            if ($curr_loginvia{$lonhost} ne '') {
+                $loginhash{login}{loginvia}{$lonhost} = $env{'form.'.$lonhost.'_serverurl'};
+                $changes{'loginvia'}{$lonhost} = 1;
+            } else {
+                if (defined($servers{$env{'form.'.$lonhost.'_serverurl'}})) {
+                    $loginhash{login}{loginvia}{$lonhost} = $env{'form.'.$lonhost.'_serverurl'};
+                    $changes{'loginvia'}{$lonhost} = 1;
+                }
+            }
+        }
+    }
+
     my $putresult = &Apache::lonnet::put_dom('configuration',\%loginhash,
                                              $dom);
     if ($putresult eq 'ok') {
@@ -3131,6 +3293,18 @@ sub modify_login {
             foreach my $item (sort(keys(%changes))) {
                 if ($item eq 'loginheader') {
                     $resulttext .= '<li>'.&mt("$title{$item} set to $env{'form.loginheader'}").'</li>';
+                } elsif ($item eq 'loginvia') {
+                    if (ref($changes{$item}) eq 'HASH') {
+                        $resulttext .= '<li>'.&mt('Log-in page availability:').'<ul>';
+                        foreach my $lonhost (sort(keys(%{$changes{$item}}))) {
+                            if ($servers{$env{'form.'.$lonhost.'_serverurl'}} ne '') {
+                                $resulttext .= '<li>'.&mt('Server: [_1] log-in page now redirects to [_2]',$lonhost,$servers{$env{'form.'.$lonhost.'_serverurl'}}).'</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('Server: [_1] now has standard log-in page.',$lonhost).'</li>';
+                            }
+                        }
+                        $resulttext .= '</ul></li>'; 
+                    }
                 } else {
                     $resulttext .= '<li>'.&mt("$title{$item} set to $offon[$env{'form.'.$item}]").'</li>';
                 }
@@ -3216,6 +3390,7 @@ sub modify_colors {
             @logintext = ('textcol','bgcol');
         } else {
             %choices = &color_font_choices();
+            $confhash->{$role}{'fontmenu'} = $env{'form.'.$role.'_fontmenu'};
         }
         if ($role eq 'login') {
             @images = ('img','logo','domlogo','login');
@@ -3225,7 +3400,6 @@ sub modify_colors {
             @bgs = ('pgbg','tabbg','sidebg'); 
         }
         $confhash->{$role}{'font'} = $env{'form.'.$role.'_font'};
-	$confhash->{$role}{'fontmenu'} = $env{'form.'.$role.'_fontmenu'};
         foreach my $item (@bgs,@links,@logintext) {
             $confhash->{$role}{$item} = $env{'form.'.$role.'_'.$item};
         }
@@ -3339,13 +3513,15 @@ sub modify_colors {
                         $changes{$role}{'font'} = 1;
                     }
                 }
-                if ($domconfig->{$role}{'fontmenu'} ne '') {
-                    if ($confhash->{$role}{'fontmenu'} ne $domconfig->{$role}{'fontmenu'}) {
-                        $changes{$role}{'fontmenu'} = 1;
-                    }
-                } else {
-                    if ($confhash->{$role}{'fontmenu'}) {
-                        $changes{$role}{'fontmenu'} = 1;
+                if ($role ne 'login') {
+                    if ($domconfig->{$role}{'fontmenu'} ne '') {
+                        if ($confhash->{$role}{'fontmenu'} ne $domconfig->{$role}{'fontmenu'}) {
+                            $changes{$role}{'fontmenu'} = 1;
+                        }
+                    } else {
+                        if ($confhash->{$role}{'fontmenu'}) {
+                            $changes{$role}{'fontmenu'} = 1;
+                        }
                     }
                 }
                 foreach my $item (@bgs) {
@@ -3972,8 +4148,8 @@ sub modify_quotas {
                                                           $env{'user.domain'},
                                                           $item,'reload',$context);
                     if ($context eq 'requestcourses') {
-                        if ($env{'environment.crsrequest.'.$item} ne $newacc) {
-                            $newenv{'environment.crsrequest.'.$item} = $newacc;
+                        if ($env{'environment.canrequest.'.$item} ne $newacc) {
+                            $newenv{'environment.canrequest.'.$item} = $newacc;
                         }
                     } else {
                         if ($env{'environment.availabletools.'.$item} ne $newacc) { 
@@ -5516,6 +5692,72 @@ sub modify_serverstatuses {
     return $resulttext;
 }
 
+sub modify_helpsettings {
+    my ($dom,%domconfig) = @_;
+ 	my ($resulttext,$errors,%changes,%helphash);
+ 	
+ 	my %defaultchecked = ('submitbugs'	=> 'on');
+ 	my @offon = ('off','on');
+    my %title = ( submitbugs => 'Display link for users to submit a bug');
+    my @toggles = ('submitbugs');
+
+    $helphash{'helpsettings'} = {};
+    
+    if (ref($domconfig{'helpsettings'}) ne 'HASH') {
+        if ($domconfig{'helpsettings'} eq '') {
+            $domconfig{'helpsettings'} = {};
+        }
+    }
+    
+    if (ref($domconfig{'helpsettings'}) eq 'HASH') {
+    	
+        foreach my $item (@toggles) {
+        	
+			if ($defaultchecked{$item} eq 'on') { 
+				if (($domconfig{'helpsettings'}{$item} eq '') &&
+					 ($env{'form.'.$item} eq '0')) {
+					$changes{$item} = 1;
+				} elsif ($domconfig{'helpsettings'}{$item} ne $env{'form.'.$item}) {
+					$changes{$item} = 1;
+				}
+			} elsif ($defaultchecked{$item} eq 'off') {
+				if (($domconfig{'helpsettings'}{$item} eq '') &&
+					 ($env{'form.'.$item} eq '1')) {
+					$changes{$item} = 1;
+				} elsif ($domconfig{'helpsettings'}{$item} ne $env{'form.'.$item}) {
+					$changes{$item} = 1;
+				}
+			}
+			$helphash{'helpsettings'}{$item} = $env{'form.'.$item};
+		}  
+    }
+    
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%helphash,
+                                             $dom);
+                                             
+    if ($putresult eq 'ok') {
+        if (keys(%changes) > 0) {
+			$resulttext = &mt('Changes made:').'<ul>';
+			foreach my $item (sort(keys(%changes))) {
+				if ($item eq 'submitbugs') {
+					$resulttext .= '<li>'.&mt("$title{$item} set to $offon[$env{'form.'.$item}]").'</li>';
+				}
+			}
+			$resulttext .= '</ul>';
+		} else {
+			$resulttext = &mt('No changes made to help settings');
+		}
+    } else {
+        $resulttext = '<span class="LC_error">'.
+	    &mt('An error occurred: [_1]',$putresult).'</span>';
+    }
+    if ($errors) {
+        $resulttext .= &mt('The following errors occurred: ').'<ul>'.
+                       $errors.'</ul>';
+    }
+    return $resulttext;
+}
+
 sub recurse_check {
     my ($chkcats,$categories,$depth,$name) = @_;
     if (ref($chkcats->[$depth]{$name}) eq 'ARRAY') {
@@ -5556,4 +5798,37 @@ sub recurse_cat_deletes {
     return;
 }
 
+sub dom_servers {
+    my ($dom) = @_;
+    my (%uniqservers,%servers);
+    my $primaryserver = &Apache::lonnet::hostname(&Apache::lonnet::domain($dom,'primary'));
+    my @machinedoms = &Apache::lonnet::machine_domains($primaryserver);
+    foreach my $mdom (@machinedoms) {
+        my %currservers = %servers;
+        my %server = &Apache::lonnet::get_servers($mdom);
+        %servers = (%currservers,%server);
+    }
+    my %by_hostname;
+    foreach my $id (keys(%servers)) {
+        push(@{$by_hostname{$servers{$id}}},$id);
+    }
+    foreach my $hostname (sort(keys(%by_hostname))) {
+        if (@{$by_hostname{$hostname}} > 1) {
+            my $match = 0;
+            foreach my $id (@{$by_hostname{$hostname}}) {
+                if (&Apache::lonnet::host_domain($id) eq $dom) {
+                    $uniqservers{$id} = $hostname;
+                    $match = 1;
+                }
+            }
+            unless ($match) {
+                $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
+            }
+        } else {
+            $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
+        }
+    }
+    return %uniqservers;
+}
+
 1;