<?php

function split_fields($line, $delimiter) {
	/* split the line by = */
	$line = trim($line);
	$data = explode($delimiter, $line);
	return $data;
}

/* Process nagios status file */
function process_status_file($status_file) {
	if((file_exists($status_file)) && (is_readable($status_file))) {
		$status_content = file($status_file);
		$status_count = count($status_content);
	} else {
		$error = array("Can not open the status file: $status_file");
		return($error);
	}

	$hosts = array();
	$info = array();
	$status = array();
	$services = array();

	$i = 0;
	$s = 0;
	$h = 0;
	$n = 0;
	$p = 0;

	while($i < $status_count) {
		/* iterate status file line by line */
		$line = split_fields($status_content[$i], "=");
		switch($line[0]) {
			case "info {":
				$i++;
				/* process info section */
				while($i < $status_count) {
					$data = split_fields($status_content[$i], "=");
					switch($data[0]) {
						case "created":
						case "version":
							$value = $data;
							array_shift($value);
							$info[$n][$data[0]] = implode("=", $value);
							$i++;
							break;
						case "}":
							/* Einde sectie match */
							$n++;
							$i++;
							continue 4;
						default:
							$i++;
							break;
					}
				}
				break;
			case "programstatus {":
				$i++;
				/* process host  section */
				while($i < $status_count) {
					$data = split_fields($status_content[$i], "=");
					switch($data[0]) {
						case "nagios_pid":
						case "program_start":
						case "enable_notifications":
						case "active_service_checks_enabled":
						case "passive_service_checks_enabled":
						case "active_host_checks_enabled":
						case "passive_host_checks_enabled":
						case "enable_event_handlers":
							$value = $data;
							array_shift($value);
							$status[$p][$data[0]] = implode("=", $value);
							$i++;
							break;
						case "}":
							/* Einde sectie match */
							$p++;
							$i++;
							continue 4;
						default:
							$i++;
							break;
					}
				}
				break;
			case "hoststatus {":
				$i++;
				/* process host  section */
				while($i < $status_count) {
					$data = split_fields($status_content[$i], "=");
					switch($data[0]) {
						case "host_name":
						case "current_state":
						case "last_hard_state":
						case "plugin_output":
						case "long_plugin_output":
						case "last_check":
						case "state_type":
						case "last_state_change":
						case "last_hard_state_change":
						case "last_time_up":
						case "last_time_down":
						case "notifications_enabled":
						case "problem_has_been_acknowledged":
						case "acknowledgement_type":
						case "active_checks_enabled":
						case "passive_checks_enabled":
						case "event_handler_enabled":
						case "last_time_down":
							$value = $data;
							array_shift($value);
							$hosts[$h][$data[0]] = implode("=", $value);
							$i++;
							break;
						case "}":
							/* Einde sectie match */
							$h++;
							$i++;
							continue 4;
						default:
							$i++;
								break;
					}
				}
				break;
			case "servicestatus {":
				$i++;
				/* process host  section */
				while($i < $status_count) {
					$data = split_fields($status_content[$i], "=");
					switch($data[0]) {
						case "host_name":
						case "service_description":
						case "current_state":
						case "last_hard_state":
						case "state_type":
						case "last_state_change":
						case "last_time_ok":
						case "last_time_warning":
						case "last_time_critical":
						case "plugin_output":
						case "long_plugin_output":
						case "last_check":
						case "notifications_enabled":
						case "active_checks_enabled":
						case "passive_checks_enabled":
						case "event_handler_enabled":
						case "problem_has_been_acknowledged":
						case "acknowledgement_type":
						case "last_update":
							$value = $data;
							array_shift($value);
							$services[$s][$data[0]] = implode("=", $value);
							$i++;
							break;
						case "}":
							/* Einde sectie match */
							$s++;
							$i++;
							continue 4;
						default:
							$i++;
							break;
					}
				}
				break;
			default:
				/* no match */
				$i++;
				break;
		}
	}

	$host_ar = array();
	foreach($hosts as $host) {
		$host_ar[$host['host_name']] = $host;
	}
	$service_ar = array();
	foreach($services as $service) {
		$service_ar[$service['host_name']][] = $service;
	}

	$i = 0;
	$host_d = 0;
	$host_u = 0;
	$host_p = 0;
	$service_w = 0;
	$service_c = 0;
	$service_u = 0;
	$service_p = 0;
	$hosts_count = count($hosts);
	$services_count = count($services);
	$status_msgs = array();

	/* state
		0 is OK
		1 is Warning
		2 is Critical
		3 is Uknown
		4 is Pending?
	*/

	foreach($host_ar as $name => $host) {
		/* if the service check is not 0 then tag the host for display */
		/* Also count the number category items */
		foreach($host_ar[$name] as $sname => $host_item) {
			switch($host_item['last_hard_state']) {
				case 1:
					$host_d++;
					break;
				case 2:
					$host_u++;
					break;
				case 3:
					$host_p++;
					break;
			}
		}
		foreach($service_ar[$name] as $sname => $service_item) {
			switch($service_item['last_hard_state']) {
				case 1:
					$service_w++;
					break;
				case 2:
					$service_c++;
					break;
				case 3:
					$service_u++;
					break;
				case 4:
					$service_p++;
					break;
			}
			if($service_item['last_hard_state'] > 0) {
				$status_msgs[$name]['hoststatus'] = $host_ar[$name];
				$status_msgs[$name]['servicestatus'] = $service_ar[$name];
			}
		}
		$i++;
	}
	$service_o = $services_count - $service_w - $service_c - $service_u - $service_p;

	$info['hosts'] = array("Up" => $hosts_count, "Down" => $host_d, "Unreachable" => $host_u, "Pending" => $host_p);
	$info['services'] = array("Ok" => $service_o, "Warning" => $service_w,
				"Unknown" => $service_u, "Critical" => $service_c, "Pending" => $service_p);
	$nagios_status['info'] = $info;
	$nagios_status['process'] = $status;
	$nagios_status['status'] = $status_msgs;

	return($nagios_status);
}


$status_file = "/usr/local/nagios/var/status.dat";
$nagios_arr = process_status_file($status_file);
$nagios_status = array();
$nagios_status = $nagios_arr['status'];
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-15">
</script>
<title>Noc Overzicht</title>
</head>
<body bgcolor='white'>
<table>
<tr><td valign='top' width='480px' height='700' >

<?php
/* top row verzamelstats */
print "<table>\n";
print "<tr>";
$f = 0;
while($f < $num_top_fields) {
	print "<td width='90' align='center' bgcolor='{$service_top_colors[$f]}'>$fontopenb";
	print "{$service_top_fields[$f]} $fontcloseb<td>";
	$f++;
}
print "</tr><tr>";
$f = 0;
while($f < $num_top_fields) {
	print "<td align='center' bgcolor='{$service_top_colors[$f]}'>$fontopenb";
	print "{$service_top_detail[$service_top_fields[$f]]}$fontcloseb<td>";
	$f++;
}

print "</tr></table>\n";
print "</td></tr>";
print "</table>\n";
?>

</body>
</html>