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root/i-scream/projects/cms/source/host/ihost-perl/ihost.pl
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Comparing projects/cms/source/host/ihost-perl/ihost.pl (file contents):
Revision 1.23 by pjm2, Thu Mar 1 18:53:42 2001 UTC vs.
Revision 1.25 by tdb, Mon Mar 12 23:20:43 2001 UTC

# Line 33 | Line 33 | use vars qw (
33               $filter_addr
34               $file_list
35               $fqdn
36 +             $pidfile
37              );
38  
39   if (@ARGV != 2) {
# Line 44 | Line 45 | $filter_manager_port = $ARGV[1];
45  
46   $seq_no = 1;
47  
48 + # write our PID to a file
49 + $pidfile = "ihost.pid";
50 + &write_pid();
51 +
52   &tcp_configure();
53   &send_udp_packet();
54  
# Line 71 | Line 76 | while (1) {
76      `sleep $delay`;
77   }
78  
79 + # we'll probably never get here...
80 + `rm -f $pidfile`;
81   exit(0);
82  
83  
# Line 151 | Line 158 | sub tcp_configure() {
158      
159      print $sock "FILTER\n";
160      $response = <$sock>;
161 +    unless (defined($response)) {
162 +        print "Failed: Could not get a filter address from the filter manager.\n";
163 +        exit(1);
164 +    }
165      chop $response;
166      $response =~ /(.*);(.*);(.*)/;
167      ($filter_addr, $udp_port, $tcp_port) = ($1, $2, $3);
168 +    unless (defined($filter_addr) && defined($udp_port) && defined($tcp_port)) {
169 +        print "Failed: Filter address response from server did not make sense: $response\n";
170 +        exit(1);
171 +    }
172      
173      print "Got filter data ($filter_addr, $udp_port, $tcp_port)\n";
174  
# Line 359 | Line 374 | sub send_tcp_heartbeat() {
374      
375      close($sock);
376      print "^";
377 +    
378 +    return;
379 + }
380 +
381 + #-----------------------------------------------------------------------
382 + # write_pid
383 + # Writes the PID (process ID) of this instance to $pidfile.
384 + # This is then used by a seperate script to check (and restart) ihost.
385 + #-----------------------------------------------------------------------
386 + sub write_pid() {
387 +    open PID, ">$pidfile";
388 +    print PID $$;
389 +    close PID;
390      
391      return;
392   }

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