2 # Monitor a remote TCP server
6 # Connect to the server
7 socket(SOCK, PF_INET, SOCK_STREAM, getprotobyname("tcp")) ||
9 local $addr = inet_aton($_[0]->{'host'});
10 return { 'up' => -1 } if (!$addr);
14 local $SIG{'ALRM'} = sub { die "alarm\n" };
15 alarm($_[0]->{'alarm'} ? $_[0]->{'alarm'} : 10);
16 $rv = connect(SOCK, pack_sockaddr_in($_[0]->{'port'}, $addr));
20 return { 'up' => 0 } if ($@);
22 'time' => time() - $st };
27 print &ui_table_row($text{'tcp_host'},
28 &ui_textbox("host", $_[0]->{'host'}, 25));
30 print &ui_table_row($text{'tcp_port'},
31 &ui_textbox("port", $_[0]->{'port'}, 5));
33 print &ui_table_row($text{'tcp_alarm'},
34 &ui_opt_textbox("alarm", $_[0]->{'alarm'}, 5, $text{'default'}));
39 &to_ipaddress($in{'host'}) || &to_ip6address($in{'host'}) ||
40 &error($text{'tcp_ehost'});
41 $_[0]->{'host'} = $in{'host'};
43 $in{'port'} =~ /^\d+$/ || &error($text{'tcp_eport'});
44 $_[0]->{'port'} = $in{'port'};
46 if ($in{'alarm_def'}) {
47 delete($_[0]->{'alarm'});
50 $in{'alarm'} =~ /^\d+$/ || &error($text{'tcp_ealarm'});
51 $_[0]->{'alarm'} = $in{'alarm'};