--- loncom/lonnet/perl/lonnet.pm	2013/08/08 02:09:10	1.1172.2.31
+++ loncom/lonnet/perl/lonnet.pm	2013/09/01 23:24:05	1.1172.2.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.31 2013/08/08 02:09:10 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.33 2013/09/01 23:24:05 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4384,6 +4384,92 @@ sub set_first_access {
     return 'already_set';
 }
 }
+
+sub checkout {
+    my ($symb,$tuname,$tudom,$tcrsid)=@_;
+    my $now=time;
+    my $lonhost=$perlvar{'lonHostID'};
+    my $infostr=&escape(
+                 'CHECKOUTTOKEN&'.
+                 $tuname.'&'.
+                 $tudom.'&'.
+                 $tcrsid.'&'.
+                 $symb.'&'.
+                 $now.'&'.$ENV{'REMOTE_ADDR'});
+    my $token=&reply('tmpput:'.$infostr,$lonhost);
+    if ($token=~/^error\:/) {
+        &logthis("<font color=\"blue\">WARNING: ".
+                "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
+                 "</font>");
+        return '';
+    }
+
+    $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/;
+    $token=~tr/a-z/A-Z/;
+
+    my %infohash=('resource.0.outtoken' => $token,
+                  'resource.0.checkouttime' => $now,
+                  'resource.0.outremote' => $ENV{'REMOTE_ADDR'});
+
+    unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
+       return '';
+    } else {
+        &logthis("<font color=\"blue\">WARNING: ".
+                "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
+                 "</font>");
+    }
+
+    if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
+                         &escape('Checkout '.$infostr.' - '.
+                                                 $token)) ne 'ok') {
+        return '';
+    } else {
+        &logthis("<font color=\"blue\">WARNING: ".
+                "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
+                 "</font>");
+    }
+    return $token;
+}
+
+# ------------------------------------------------------------ Check in an item
+
+sub checkin {
+    my $token=shift;
+    my $now=time;
+    my ($ta,$tb,$lonhost)=split(/\*/,$token);
+    $lonhost=~tr/A-Z/a-z/;
+    my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
+    $dtoken=~s/\W/\_/g;
+    my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
+                 split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
+
+    unless (($tuname) && ($tudom)) {
+        &logthis('Check in '.$token.' ('.$dtoken.') failed');
+        return '';
+    }
+
+    unless (&allowed('mgr',$tcrsid)) {
+        &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
+                 $env{'user.name'}.' - '.$env{'user.domain'});
+        return '';
+    }
+
+    my %infohash=('resource.0.intoken' => $token,
+                  'resource.0.checkintime' => $now,
+                  'resource.0.inremote' => $ENV{'REMOTE_ADDR'});
+
+    unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
+       return '';
+    }
+
+    if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
+                         &escape('Checkin - '.$token)) ne 'ok') {
+        return '';
+    }
+
+    return ($symb,$tuname,$tudom,$tcrsid);
+}
+
 # --------------------------------------------- Set Expire Date for Spreadsheet
 
 sub expirespread {
@@ -7274,19 +7360,23 @@ sub definerole {
 # ---------------- Make a metadata query against the network of library servers
 
 sub metadata_query {
-    my ($query,$custom,$customshow,$server_array)=@_;
+    my ($query,$custom,$customshow,$server_array,$domains_hash)=@_;
     my %rhash;
     my %libserv = &all_library();
     my @server_list = (defined($server_array) ? @$server_array
                                               : keys(%libserv) );
     for my $server (@server_list) {
+        my $domains = '';
+        if (ref($domains_hash) eq 'HASH') {
+            $domains = $domains_hash->{$server};    
+        }
 	unless ($custom or $customshow) {
-	    my $reply=&reply("querysend:".&escape($query),$server);
+	    my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);
 	    $rhash{$server}=$reply;
 	}
 	else {
 	    my $reply=&reply("querysend:".&escape($query).':'.
-			     &escape($custom).':'.&escape($customshow),
+			     &escape($custom).':'.&escape($customshow).':'.&escape($domains),
 			     $server);
 	    $rhash{$server}=$reply;
 	}