#!/usr/bin/perl

use DBI;
use strict;

my ($db_user, $db_name, $db_pass, $db_host) = ('1_mfi', '1_mfi', 'K01v1kk0!', 'panel.agserver.de');

my $dbh = DBI->connect("DBI:mysql:database=$db_name;host=$db_host", $db_user, $db_pass) or die "Cannot connect to DB\n";
#my $rows = $dbh->do("select * from device") or die "$dbh->errstr";

my $sql;

#my $sql="select id, name, ports from device";
#my @row_ary = $dbh->selectrow_array("$sql");
#my $ary_ref1 = $dbh->selectrow_arrayref("$sql");
#my $hash_ref1 = $dbh->selectrow_hashref("$sql");
#my $ary_ref2 = $dbh->selectall_arrayref("$sql");
#my $hash_ref2 = $dbh->selectall_hashref("$sql", 'id');

$sql = "select * from device";
my $res_ref_device = $dbh->selectall_arrayref("$sql");

my $res_ref_port;
print "<table>
<tr><td colspan=2>Device</td><td>Ports</td></tr>\n";

foreach (@$res_ref_device) {
   print "<tr><td colspan=2>$_->[1] (ID: $_->[0])</td><td>$_->[2]</td></tr>\n";
   $sql = "select id, nr, descr, state from port where dev_id = '$_->[0]'";
   $res_ref_port = $dbh->selectall_arrayref("$sql");
   print "<tr><td>Port</td><td>Description</td><td>State</td></tr>\n";
   foreach (@$res_ref_port) {
      print "<tr><td>$_->[1] (ID $_->[0])</td><td>$_->[2]</td><td>$_->[3]</td></tr>\n";
   }
}
print "</table>";
exit 0;