--- loncom/lond 2005/08/31 22:38:57 1.295 +++ loncom/lond 2005/09/01 07:49:43 1.296 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.295 2005/08/31 22:38:57 raeburn Exp $ +# $Id: lond,v 1.296 2005/09/01 07:49:43 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -59,7 +59,7 @@ my $DEBUG = 0; # Non zero to ena my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.295 $'; #' stupid emacs +my $VERSION='$Revision: 1.296 $'; #' stupid emacs my $remoteVERSION; my $currenthostid="default"; my $currentdomainid; @@ -4405,16 +4405,23 @@ sub ReadHostTable { open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; my $myloncapaname = $perlvar{'lonHostID'}; Debug("My loncapa name is : $myloncapaname"); + my %name_to_ip; while (my $configline=) { if ($configline !~ /^\s*\#/ && $configline !~ /^\s*$/ ) { my ($id,$domain,$role,$name)=split(/:/,$configline); $name=~s/\s//g; - my $ip = gethostbyname($name); - if (length($ip) ne 4) { - &logthis("Skipping host $id name $name no IP $ip found\n"); - next; + my $ip; + if (!exists($name_to_ip{$name})) { + $ip = gethostbyname($name); + if (!$ip || length($ip) ne 4) { + &logthis("Skipping host $id name $name no IP found\n"); + next; + } + $ip=inet_ntoa($ip); + $name_to_ip{$name} = $ip; + } else { + $ip = $name_to_ip{$name}; } - $ip=inet_ntoa($ip); $hostid{$ip}=$id; # LonCAPA name of host by IP. $hostdom{$id}=$domain; # LonCAPA domain name of host. $hostip{$id}=$ip; # IP address of host. 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.