/*
* Project: NodeMap2.0
* File: KMLHandler.class.php
* Purpose: Creating of editing KML files
*/
define('PLACEMARK_GREEN', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/green-dot.png');
define('PLACEMARK_ORANGE', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/orange-dot.png');
define('PLACEMARK_RED', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/red-dot.png');
class KMLFile {
private $template = '
Wireless Leiden Interactive Nodemap 2.0
1
Wireless Leiden Interactive Nodemap 2.0
Nodes
Nodes from the Wireless Leiden network
52.161087
4.490153
0
0
0
500
%CONTENT%
';
static $fileFirst = 'type,host_name,has_been_checked,check_execution_time,current_state,last_hard_state,last_check,problem_has_been_acknowledged';
private $fileContent = array('string', 'string', 'integer', 'double', 'integer', 'integer', 'integer', 'integer');
private $KMLPlacemarks = array();
/*
* Function: __construct (constructor)
* Parameters: -
* Function: Creating a new KMLFile
*/
public function __construct() {
}
public function addPlacemark(KMLPlacemark $placemark) {
$this->KMLPlacemarks[] = $placemark;
}
public function toString() {
$toString = $this->template;
$placemarkString = '';
$placemarkCount = count($this->KMLPlacemarks);
for ($i = 0; $i < $placemarkCount; $i++) {
$placemarkString .= $this->KMLPlacemarks[$i]->toString();
}
$toString = str_replace('%PLACEMARK_GREEN%', PLACEMARK_GREEN, $toString);
$toString = str_replace('%PLACEMARK_ORANGE%', PLACEMARK_ORANGE, $toString);
$toString = str_replace('%PLACEMARK_RED%', PLACEMARK_RED, $toString);
$toString = str_replace('%CONTENT%', $placemarkString, $toString);
return $toString;
}
public function write($filename) {
// TODO: Write KMLFile to a KML file
}
/*
* Function: getPlacemarkByName
* Parameters: string $name
* Function: Find the first KMLPlacemark with the name $name and return its position. If not found, return false
*/
public function getPlacemarkByName($name) {
$nodesCount = count($this->KMLPlacemarks);
for ($i = 0; $i < $nodesCount; $i++) {
if ($this->KMLPlacemarks[$i]->getName() == $name) {
return $i;
}
}
return false;
}
/*
* Function: parseLocationFile
* Parameters: string $file
* Function: Parse the node location file updating or adding KMLPlacemark objects to the current KMLFile object
*/
public function parseLocationFile($file) {
$nodesCount = preg_match_all('/\[[a-zA-Z0-9]*\]/i', $file, $nodes, PREG_OFFSET_CAPTURE);
for ($i = 0; $i < $nodesCount; $i++) {
// TODO: Needs checking for parsing errors
$location = $this->findInLocationFile($file, 'location', $nodes[0][$i][1]);
$status = $this->findInLocationFile($file, 'status', $nodes[0][$i][1]);
$latitude = $this->findInLocationFile($file, 'latitude', $nodes[0][$i][1]);
$longitude = $this->findInLocationFile($file, 'longitude', $nodes[0][$i][1]);
$interfaces = $this->findInLocationFile($file, 'interfaces', $nodes[0][$i][1]);
$masterip = $this->findInLocationFile($file, 'masterip', $nodes[0][$i][1]);
$nodetype = $this->findInLocationFile($file, 'nodetype', $nodes[0][$i][1]);
$name = $this->findInLocationFile($file, 'name', $nodes[0][$i][1]);
$descriptionLocation = 'Naam: ' . $name . '
Locatie: ' . $location . '
Status: ' . $status . '
Latitude: ' . $latitude . '
Longitude: ' . $longitude . '
Interfaces: ' . $interfaces . '
Master IP: ' . $masterip . '
Node type: ' . $nodetype . '
';
if ($placemarkPosition = $this->getPlacemarkByName($name)) {
$this->KMLPlacemarks[$placemarkPosition]->setDescriptionLocation($descriptionLocation);
$this->KMLPlacemarks[$placemarkPosition]->setLongitude($longitude);
$this->KMLPlacemarks[$placemarkPosition]->setLatitude($latitude);
} else {
$placemark = new KMLPlacemark();
$placemark->setName($name);
$placemark->setDescriptionLocation($descriptionLocation);
$placemark->setLongitude($longitude);
$placemark->setLatitude($latitude);
$this->addPlacemark($placemark);
}
}
}
/*
* Function: findInLocationFile
* Parameters: string $file, string $keyword, integer $offset
* Function: Find the $keyword in $file and return the value of $keyword, starting at $offset, on error return false
*/
private function findInLocationFile($file, $keyword, $offset) {
$start = strpos($file, $keyword, $offset) + strlen($keyword . ' = ');
$end = strpos($file, "\n", $start);
if ($start && $end && ($start < $end)) {
return substr($file, $start, $end - $start);
} else {
return false;
}
}
/*
* Function: parseStatusFile
* Parameters: string $file
* Function: Parse the node status file updating or adding KMLPlacemark objects to the current KMLFile object
*/
public function parseStatusFile($file) {
$fileContents = explode("\r\n", $file);
if ($fileContents[0] != KMLFile::$fileFirst) {
trigger_log(LOG_WARNING, 'Contents of file do not match with template of first line', __FILE__, __LINE__);
}
$linesCount = count($fileContents);
for ($i = 1; $i < $linesCount - 1; $i++) {
$lineContent = explode(',', $fileContents[$i]);
if (count($lineContent) != count($this->fileContent)) {
trigger_log(LOG_WARNING, 'Contents of file do not match with template of lines', __FILE__, __LINE__);
}
// TODO: Process all lines and update KMLPlacemark objects we already have in the current object
$type = $lineContent[0];
$host_name = str_replace('CNode', '', $lineContent[1]);
$has_been_checked = $lineContent[2];
$check_execution_time = $lineContent[3];
$current_state = $lineContent[4];
$last_hard_state = $lineContent[5];
$last_check = $lineContent[6];
$problem_has_been_acknowledged = $lineContent[7];
$descriptionStatus = 'Type: ' . $type . '
Host name: ' . $host_name . '
Has been checked: ' . $has_been_checked . '
Check execution time: ' . $check_execution_time . '
Currenr state: ' . $current_state . '
Last hard state: ' . $last_hard_state . '
Last check: ' . $last_check . '
Problem has been acknowledged: ' . $problem_has_been_acknowledged . '
';
if ($placemarkPosition = $this->getPlacemarkByName($host_name)) {
$this->KMLPlacemarks[$placemarkPosition]->setDescriptionStatus($descriptionStatus);
} else {
$placemark = new KMLPlacemark();
$placemark->setName($host_name);
$placemark->setDescriptionStatus($descriptionStatus);
$this->addPlacemark($placemark);
}
}
}
}
?>