Wireless Leiden Interactive Nodemap 2.0 1 Wireless Leiden Interactive Nodemap 2.0 %OVERALL_LONGITUDE% %OVERALL_LATITUDE% %OVERALL_ALTITUDE% %OVERALL_HEADING% %OVERALL_TILT% %OVERALL_RANGE% Nodes Nodes from the Wireless Leiden network %OVERALL_LONGITUDE% %OVERALL_LATITUDE% %OVERALL_ALTITUDE% %OVERALL_HEADING% %OVERALL_TILT% %OVERALL_RANGE% %NODESCONTENT% Lines Lines from nodes to nodes from the Wireless Leiden network %OVERALL_LONGITUDE% %OVERALL_LATITUDE% %OVERALL_ALTITUDE% %OVERALL_HEADING% %OVERALL_TILT% %OVERALL_RANGE% %LINESCONTENT% '; // First line of the status file must be like this: static $fileFirst = 'type,host_name,has_been_checked,check_execution_time,current_state,last_hard_state,last_check,problem_has_been_acknowledged'; // Every following line will be checked using these functions private $fileContent = array('string', 'string', 'int', 'double', 'int', 'int', 'int', 'int'); private $KMLNodes; private $KMLLines; private $NetworkList; /* * Function: __construct (constructor) * Description: Creating a new KMLFile * Parameters: - * Returns: - */ public function __construct() { $this->KMLNodes = array(); $this->KMLLines = array(); $this->NetworkList = new NetworkList(); } /* * Function: addNode * Description: Add a node to the local node array * Parameters: KMLNode $node * Returns: - */ public function addNode(KMLNode $node) { $this->KMLNodes[] = $node; } /* * Function: addLIne * Description: Add a line to the local line array * Parameters: KMLLine $line * Returns: - */ public function addLine(KMLLine $line) { $this->KMLLines[] = $line; } /* * Function: toString * Description: Converts the content of this file and the placemarks to a KML valid string * Parameters: - * Returns: KML valid string */ public function toString() { global $config; $toString = $this->template; // Add all nodes to the string $nodeString = ''; $nodeCount = count($this->KMLNodes); for ($i = 0; $i < $nodeCount; $i++) { $nodeString .= $this->KMLNodes[$i]->toString(); } // Add all connected lines to the string $lineString = ''; $lineCount = count($this->KMLLines); for ($i = 0; $i < $lineCount; $i++) { // If longitude2 and latitude2 aren't set, ignore the lines // This happens with all the connections that don't connect 2 nodes if ($this->KMLLines[$i]->isConnected()) { $lineString .= $this->KMLLines[$i]->toString(); } } $toString = str_replace('%NODE_GREEN%', $config['node_green'], $toString); $toString = str_replace('%NODE_ORANGE%', $config['node_orange'], $toString); $toString = str_replace('%NODE_RED%', $config['node_red'], $toString); $toString = str_replace('%LINE_BLACK%', $config['line_black'], $toString); $toString = str_replace('%NODESCONTENT%', $nodeString, $toString); $toString = str_replace('%LINESCONTENT%', $lineString, $toString); $toString = str_replace('%OVERALL_LONGITUDE%', $config['overall_longitude'], $toString); $toString = str_replace('%OVERALL_LATITUDE%', $config['overall_latitude'], $toString); $toString = str_replace('%OVERALL_ALTITUDE%', $config['overall_altitude'], $toString); $toString = str_replace('%OVERALL_HEADING%', $config['overall_heading'], $toString); $toString = str_replace('%OVERALL_TILT%', $config['overall_tilt'], $toString); $toString = str_replace('%OVERALL_RANGE%', $config['overall_range'], $toString); return $toString; } /* * Function: getNodeByName * Description: Find the first KMLNode with the name $name and return its position. If not found, return false * Parameters: string $name * Returns: Position of node in our array, if not found false */ public function getNodeByName($name) { $nodesCount = count($this->KMLNodes); for ($i = 0; $i < $nodesCount; $i++) { if ($this->KMLNodes[$i]->getName() == $name) { return $i; } } return false; } /* * Function: parseLocationFile * Description: Parse the node location file updating or adding KMLNode objects to the current KMLFile object * Parameters: string $file * Returns: true is successfull, otherwise false */ public function parseLocationFile($file) { // We want to find all the nodes in the location file and store information of the nodes... $nodesCount = preg_match_all('/\[[a-zA-Z0-9]*\]/i', $file, $nodes, PREG_OFFSET_CAPTURE); for ($i = 0; $i < $nodesCount; $i++) { // Looking for "location" of the node if (!$location = $this->findInLocationFile($file, 'location = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "location" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "status" of the node if (!$status = $this->findInLocationFile($file, 'status = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "status" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "latitude" of the node if (!$latitude = $this->findInLocationFile($file, 'latitude = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "latitude" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "longitude" of the node if (!$longitude = $this->findInLocationFile($file, 'longitude = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "longitude" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "interfaces" of the node if (!$interfaces = $this->findInLocationFile($file, 'interfaces = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "interfaces" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "masterip" of the node if (!$masterip = $this->findInLocationFile($file, 'masterip = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "masterip" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "nodetype" of the node if (!$nodetype = $this->findInLocationFile($file, 'nodetype = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "nodetype" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Looking for "name" of the node if (!$name = $this->findInLocationFile($file, 'name = ', $nodes[0][$i][1])) { trigger_log(SYSLOG_WARNING, 'Could not find the "name" of node "' . $i . '", skipping to next', __FILE__, __LINE__); continue; } // Creating a string with the complete description of the node using all data in the location file $dataLocation = ' ' . $status . ' ' . $interfaces . ' ' . $masterip . ' ' . $nodetype . ' '; if ($placemarkPosition = $this->getNodeByName($name)) { // Updating an excisting placemark $this->KMLNodes[$placemarkPosition]->setDataLocation($dataLocation); $this->KMLNodes[$placemarkPosition]->setLongitude($longitude); $this->KMLNodes[$placemarkPosition]->setLatitude($latitude); } else { // Adding a new placemark $placemark = new KMLNode(); $placemark->setID($name); $placemark->setName($name); $placemark->setDataLocation($dataLocation); $placemark->setLongitude($longitude); $placemark->setLatitude($latitude); $this->addNode($placemark); } // Now let's find all interlinks with this node $position = $nodes[0][$i][1]; while (($position = strpos($file, 'ip=', $position + 1)) && (isset($nodes[0][$i + 1][1]) && $position < $nodes[0][$i + 1][1])) { $ipAddress = $this->findInLocationFile($file, 'ip=', $position); $posSlash = strpos($ipAddress, '/'); $ip = substr($ipAddress, 0, $posSlash); $netmask = substr($ipAddress, $posSlash + 1); $posNetwork = $this->NetworkList->find($ip); if ($posNetwork) { // Network already excists in list, just need to add longitude2 en latitude2 to KMLLine // and add the node name to the name of the line. // Position in network equals position in KMLLine array :-) $this->KMLLines[$posNetwork]->setName($this->KMLLines[$posNetwork]->getName() . $name); $this->KMLLines[$posNetwork]->setLongitude2($longitude); $this->KMLLines[$posNetwork]->setLatitude2($latitude); } else { // Network doesn't excist. We create a new network and a new line. $network = new Network($ip, $netmask); $this->NetworkList->add($network); // TODO: For this project we'll use random numbers. // In a following project this can be adjusted $bandwithMax = rand(0, 200); $bandwithUsage = rand(0, $bandwithMax); $data = ' ' . $network->netmaskDecimal . ' ' . $network->netmaskBinary . ' ' . $network->wildcardDecimal . ' ' . $network->wildcardBinary . ' ' . $network->networkDecimal . ' ' . $network->networkBinary . ' ' . $network->broadcastDecimal . ' ' . $network->broadcastBinary . ' ' . $network->hostminDecimal . ' ' . $network->hostminBinary . ' ' . $network->hostmaxDecimal . ' ' . $network->hostmaxBinary . ' ' . $network->numberHosts . ' ' . $bandwithMax . ' ' . $bandwithUsage . ' '; $line = new KMLLine(); $line->setID(str_replace('.', '', $network->networkDecimal)); $line->setName('Link: Van ' . $name . ' naar '); $line->setData($data); $line->setLongitude1($longitude); $line->setLatitude1($latitude); $this->KMLLines[] = $line; } } } } /* * Function: findInLocationFile * Description: Find the $keyword in $file and return the value of $keyword, starting at $offset * Parameters: string $file, string $keyword, integer $offset * Returns: The value of the keyword if found, otherwise return false */ private function findInLocationFile($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 * Description: Parse the node status file updating or adding KMLNode objects to the current KMLFile object * Parameters: string $file * Returns: true is successfull, otherwise false */ public function parseStatusFile($file) { $fileContents = explode("\r\n", $file); if ($fileContents[0] != KMLFile::$fileFirst) { trigger_log(SYSLOG_WARNING, 'Contents of file do not match with template of first line', __FILE__, __LINE__); } // For loop for all the lines in the file. Skipping first line (headers) and last line (blank) $linesCount = count($fileContents); for ($i = 1; $i < $linesCount - 1; $i++) { $lineContent = explode(',', $fileContents[$i]); // Names in the status file are in the format "CNode%NAME%". // We need to remove the CNode so it matches the location file. $lineContent[1] = str_replace('CNode', '', $lineContent[1]); if (count($lineContent) != count($this->fileContent)) { trigger_log(LOG_WARNING, 'Contents of the file do not match with template of lines on line "' . $i . '"', __FILE__, __LINE__); continue; } // Checking for valid entries on this line for ($j = 0; $j < 8; $j++) { try { switch ($this->fileContent[$j]) { case 'string': $lineContent[$j] = (string) $lineContent[$j]; break; case 'int': $lineContent[$j] = (int) $lineContent[$j]; break; case 'double': $lineContent[$j] = (double) $lineContent[$j]; break; default: break; } } catch (Exception $err) { trigger_log(SYSLOG_WARNING, 'The value "' . $j . '" on line "' . $i . '" is not valid, skipping to next line', __FILE__, __LINE__); continue; } } // Creating a string with the complete description of the node using all data in the status file $dataStatus = ' ' . $lineContent[0] . ' ' . $lineContent[1] . ' ' . $lineContent[2] . ' ' . $lineContent[3] . ' ' . $lineContent[4] . ' ' . $lineContent[5] . ' ' . $lineContent[6] . ' ' . $lineContent[7] . ' '; $style = NODE_RED; if ($lineContent[4] == NODE_STATUS_ERROR) { $style = NODE_ORANGE; } elseif ($lineContent[4] == NODE_STATUS_UP) { $style = NODE_GREEN; } if ($placemarkPosition = $this->getNodeByName($lineContent[1])) { // Updating an excisting placemark $this->KMLNodes[$placemarkPosition]->setDataStatus($dataStatus); $this->KMLNodes[$placemarkPosition]->setStyle($style); } else { // Adding a new placemark $placemark = new KMLNode(); $placemark->setID($lineContent[1]); $placemark->setName($lineContent[1]); $placemark->setDataStatus($dataStatus); $placemark->setStyle($style); $this->addNode($placemark); } } } } ?>