use strict;
my %domserv=();
my %domname=();
my %hostdom=();
my %hostfunc=();

# Read the tables

open(IN,"development_dns_domain.tab");
while (my $line=<IN>) {
   if ($line=~/^\s*\#/) { next; }
   chomp($line);
   unless ($line=~/\S/) { next; }
   my ($domain,$name,$auth,$authparm,$lang,$city,$coord1,$coord2,$lib)=split(/\:/,$line);
   if ($domserv{$domain}) {
      print "Domain $domain defined more than once in domain.tab\n";
   }
   $domserv{$domain}=$lib;
   $domname{$domain}=$name;
}
close(IN);
open(IN,"development_dns_hosts.tab");
while (my $line=<IN>) {
   if ($line=~/^\s*\#/) { next; }
   chomp($line);
   unless ($line=~/\S/) { next; }
   my ($server,$domain,$function,$ip,$protocol,$interdom)=split(/\:/,$line);
   unless (($protocol eq 'http') || ($protocol eq 'https')) {
      print "Invalid protocol $protocol for $server\n";
   }
   unless ($interdom=~/\./) {
      print "Invalid internet domain $interdom for $server\n";
   }
   if ($hostdom{$server}) {
      print "$server defined more than once in hosts.tab\n";
   }
   $hostdom{$server}=$domain;
   $hostfunc{$server}=$function;
}
close(IN);

# Every mentioned library server should be in hosts.tab

my $doms=0;
foreach my $dom (keys %domserv) {
    unless ($hostdom{$domserv{$dom}} eq $dom) {
       print "Did not find $domserv{$dom} in hosts.tab\n";
    }
    unless ($hostfunc{$domserv{$dom}} eq 'library') {
       print "$domserv{$dom} is not a library server ($hostfunc{$domserv{$dom}})\n";
    }
    $doms++;
}

# Every server should have a valid domain

my $servs=0;
foreach my $serv (keys %hostdom) {
   unless ($domserv{$hostdom{$serv}}) {
      print "Server $serv has invalid domain in hosts.tab\n";
   }
   unless (($hostfunc{$serv} eq 'library') || ($hostfunc{$serv} eq 'access')) {
      print "Server $serv has invalid function $hostfunc{$serv} in hosts.tab\n";
   }
   $servs++;
}
print "\nValidated $doms domains and $servs servers\n";

