--- projects/cms/source/host/ihost-perl/ihost.pl	2001/02/13 12:28:50	1.16
+++ projects/cms/source/host/ihost-perl/ihost.pl	2001/03/01 18:53:42	1.23
@@ -9,8 +9,8 @@
 # methods as you see fit.
 #  - pjm2@ukc.ac.uk
 #
-# $Author: tdb $
-# $Id: ihost.pl,v 1.16 2001/02/13 12:28:50 tdb Exp $
+# $Author: pjm2 $
+# $Id: ihost.pl,v 1.23 2001/03/01 18:53:42 pjm2 Exp $
 #------------------------------------------------------------
 
 $| = 1;
@@ -32,6 +32,7 @@ use vars qw (
              $tcp_port
              $filter_addr
              $file_list
+             $fqdn
             );
 
 if (@ARGV != 2) {
@@ -85,7 +86,7 @@ sub tcp_configure() {
                                      PeerAddr => $filter_manager_addr,
                                      PeerPort => $filter_manager_port,
                                      Proto => 'tcp'
-                                    );
+                                    ) or die "Cannot connect!";
     if (!defined $sock) {
         print "IHOST ERROR: Could not connect to $filter_manager_addr:$filter_manager_port.\n";
         print "Please check that there is an i-scream server at this address.\n";
@@ -119,6 +120,13 @@ sub tcp_configure() {
 
     print "File list obtained: $file_list\n";
 
+    print $sock "FQDN\n";
+    $response = <$sock>;
+    chop $response;
+    $fqdn = $response;
+
+    print "FQDN returned: $fqdn\n";
+
     print $sock "UDPUpdateTime\n";
     $response = <$sock>;
     chop $response;
@@ -201,26 +209,7 @@ sub send_udp_packet() {
     }
     $disk_info .= "</disk>";
 
-    my($hostname) = hostname();
-    $hostname =~ s/\..*$//g;
-    my($resolv) = `cat /etc/resolv.conf`;
-    my($domainname);
-    my($machine_name);
-    if($resolv =~ /domain\s+([^\s]+)/) {
-        # some machines have domain <domain> in resolv.conf
-        $domainname = $1;
-        $machine_name = "$hostname.$domainname";
-    }
-    elsif($resolv =~ /search\s+([^\s]+)/) {
-        # some machines have search <domain> in resolv.conf
-        $domainname = $1;
-        $machine_name = "$hostname.$domainname";
-    }
-    else {
-        # we can't find out the domain
-        $machine_name = $hostname;
-    }
-    my($ip) = inet_ntoa(scalar(gethostbyname($hostname)) || 'localhost');
+    my($ip) = inet_ntoa(scalar(gethostbyname(hostname())) || 'localhost');
 
     # Build the XML packet this way, as we can clearly
     # see the structure and contents... I like this ;-)
@@ -228,7 +217,7 @@ sub send_udp_packet() {
     # larger than 8196 bytes]
     my($xml) = <<EOF;
     
-<packet seq_no="$seq_no" machine_name="$machine_name" date="$date" type="data" ip="$ip">
+<packet seq_no="$seq_no" machine_name="$fqdn" date="$date" type="data" ip="$ip">
     <load>
         <load1>$packet{"packet.load.load1"}</load1>
         <load5>$packet{"packet.load.load5"}</load5>
@@ -275,12 +264,12 @@ EOF
 
     # Make the packet smaller by stripping out newlines and leading spaces.
     $xml =~ s/\n\s*//g;
-    
+
     my($sock) = new IO::Socket::INET (
                                       PeerPort => $udp_port,
                                       PeerAddr => $filter_addr,
                                       Proto => 'udp'
-                                     ) or die "Socket: $!\n";
+                                     ) or die "Could not send UDP: $!\n";
 
     print $sock $xml or die "Could not send UDP packet: $!\n";
     close($sock);
@@ -304,7 +293,7 @@ sub send_tcp_heartbeat() {
                                      PeerAddr => $filter_addr,
                                      PeerPort => $tcp_port,
                                      Proto => 'tcp'
-                                    );
+                                    ) or return;
     if (!defined $sock) {
         print "IHOST WARNING: Failed to deliver a heartbeat to the i-scream filter.\n";
         return;
@@ -315,6 +304,7 @@ sub send_tcp_heartbeat() {
 
     print $sock "HEARTBEAT\n";
     $response = <$sock>;
+    return if (!defined $response);
     chop $response;
     if (!$response eq "OK") {
         close($sock);
@@ -324,6 +314,7 @@ sub send_tcp_heartbeat() {
     
     print $sock "CONFIG\n";
     $response = <$sock>;
+    return if (!defined $response);
     chop $response;
     if (!$response eq "OK") {
         close($sock);
@@ -333,6 +324,7 @@ sub send_tcp_heartbeat() {
 
     print $sock "$file_list\n";
     $response = <$sock>;
+    return if (!defined $response);
     chop $response;
     if (!$response eq "OK") {
         close($sock);
@@ -342,6 +334,7 @@ sub send_tcp_heartbeat() {
     
     print $sock "$last_modified\n";
     $response = <$sock>;
+    return if (!defined $response);
     chop $response;
     if ($response eq "ERROR") {
         close($sock);
@@ -356,6 +349,7 @@ sub send_tcp_heartbeat() {
     
     print $sock "ENDHEARTBEAT\n";
     $response = <$sock>;
+    return if (!defined $response);
     chop $response;
     if (!$response eq "OK") {
         close($sock);