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57 lines
1.2 KiB
Perl
Executable File
57 lines
1.2 KiB
Perl
Executable File
# tcp-monitor.pl
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# Monitor a remote TCP server
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sub get_tcp_status
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{
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# Connect to the server
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socket(SOCK, PF_INET, SOCK_STREAM, getprotobyname("tcp")) ||
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return { 'up' => -1 };
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local $addr = inet_aton($_[0]->{'host'});
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return { 'up' => -1 } if (!$addr);
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local $st = time();
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local $rv;
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eval {
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local $SIG{'ALRM'} = sub { die "alarm\n" };
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alarm($_[0]->{'alarm'} ? $_[0]->{'alarm'} : 10);
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$rv = connect(SOCK, pack_sockaddr_in($_[0]->{'port'}, $addr));
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close(SOCK);
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alarm(0);
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};
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return { 'up' => 0 } if ($@);
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return { 'up' => $rv,
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'time' => time() - $st };
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}
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sub show_tcp_dialog
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{
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print &ui_table_row($text{'tcp_host'},
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&ui_textbox("host", $_[0]->{'host'}, 25));
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print &ui_table_row($text{'tcp_port'},
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&ui_textbox("port", $_[0]->{'port'}, 5));
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print &ui_table_row($text{'tcp_alarm'},
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&ui_opt_textbox("alarm", $_[0]->{'alarm'}, 5, $text{'default'}));
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}
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sub parse_tcp_dialog
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{
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&to_ipaddress($in{'host'}) || &to_ip6address($in{'host'}) ||
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&error($text{'tcp_ehost'});
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$_[0]->{'host'} = $in{'host'};
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$in{'port'} =~ /^\d+$/ || &error($text{'tcp_eport'});
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$_[0]->{'port'} = $in{'port'};
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if ($in{'alarm_def'}) {
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delete($_[0]->{'alarm'});
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}
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else {
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$in{'alarm'} =~ /^\d+$/ || &error($text{'tcp_ealarm'});
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$_[0]->{'alarm'} = $in{'alarm'};
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}
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}
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1;
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