| 1 | <?php
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| 2 | /*
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| 3 | * Project: NodeMap2.0
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| 4 | * File: KMLHandler.class.php
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| 5 | * Purpose: Creating of editing KML files
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| 6 | */
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| 7 |
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| 8 | define('NODE_STATUS_UP', 0);
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| 9 | define('NODE_STATUS_ERROR', 1);
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| 10 | define('NODE_STATUS_UNREACHABLE', 2);
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| 11 |
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| 12 | class KMLFile {
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| 13 | private $template = '
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| 14 | <kml xmlns="http://www.opengis.net/kml/2.2">
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| 15 | <Document>
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| 16 | <name>Wireless Leiden Interactive Nodemap 2.0</name>
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| 17 | <open>1</open>
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| 18 | <description>Wireless Leiden Interactive Nodemap 2.0</description>
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| 19 | <LookAt>
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| 20 | <longitude>%OVERALL_LONGITUDE%</longitude>
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| 21 | <latitude>%OVERALL_LATITUDE%</latitude>
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| 22 | <altitude>%OVERALL_ALTITUDE%</altitude>
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| 23 | <heading>%OVERALL_HEADING%</heading>
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| 24 | <tilt>%OVERALL_TILT%</tilt>
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| 25 | <range>%OVERALL_RANGE%</range>
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| 26 | </LookAt>
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| 27 | <Style id="blackLine">
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| 28 | <LineStyle>
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| 29 | <color>%LINE_BLACK%</color>
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| 30 | <width>3</width>
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| 31 | </LineStyle>
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| 32 | </Style>
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| 33 | <Style id="greenArrowIcon">
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| 34 | <IconStyle>
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| 35 | <Icon>
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| 36 | <href>%NODE_GREEN%</href>
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| 37 | </Icon>
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| 38 | </IconStyle>
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| 39 | </Style>
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| 40 | <Style id="orangeArrowIcon">
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| 41 | <IconStyle>
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| 42 | <Icon>
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| 43 | <href>%NODE_ORANGE%</href>
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| 44 | </Icon>
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| 45 | </IconStyle>
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| 46 | </Style>
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| 47 | <Style id="redArrowIcon">
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| 48 | <IconStyle>
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| 49 | <Icon>
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| 50 | <href>%NODE_RED%</href>
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| 51 | </Icon>
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| 52 | </IconStyle>
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| 53 | </Style>
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| 54 | <Folder id="nodes">
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| 55 | <name>Nodes</name>
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| 56 | <description>Nodes from the Wireless Leiden network</description>
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| 57 | <LookAt>
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| 58 | <longitude>%OVERALL_LONGITUDE%</longitude>
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| 59 | <latitude>%OVERALL_LATITUDE%</latitude>
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| 60 | <altitude>%OVERALL_ALTITUDE%</altitude>
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| 61 | <heading>%OVERALL_HEADING%</heading>
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| 62 | <tilt>%OVERALL_TILT%</tilt>
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| 63 | <range>%OVERALL_RANGE%</range>
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| 64 | </LookAt>
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| 65 | %NODESCONTENT%
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| 66 | </Folder>
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| 67 | <Folder id="lines">
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| 68 | <name>Lines</name>
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| 69 | <description>Lines from nodes to nodes from the Wireless Leiden network</description>
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| 70 | <LookAt>
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| 71 | <longitude>%OVERALL_LONGITUDE%</longitude>
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| 72 | <latitude>%OVERALL_LATITUDE%</latitude>
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| 73 | <altitude>%OVERALL_ALTITUDE%</altitude>
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| 74 | <heading>%OVERALL_HEADING%</heading>
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| 75 | <tilt>%OVERALL_TILT%</tilt>
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| 76 | <range>%OVERALL_RANGE%</range>
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| 77 | </LookAt>
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| 78 | %LINESCONTENT%
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| 79 | </Folder>
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| 80 | </Document>
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| 81 | </kml>';
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| 82 |
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| 83 | // First line of the status file must be like this:
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| 84 | static $fileFirst = 'type,host_name,has_been_checked,check_execution_time,current_state,last_hard_state,last_check,problem_has_been_acknowledged';
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| 85 | // Every following line will be checked using these functions
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| 86 | private $fileContent = array('string', 'string', 'int', 'double', 'int', 'int', 'int', 'int');
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| 87 |
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| 88 | private $KMLNodes;
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| 89 | private $KMLLines;
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| 90 | private $NetworkList;
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| 91 |
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| 92 | /*
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| 93 | * Function: __construct (constructor)
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| 94 | * Description: Creating a new KMLFile
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| 95 | * Parameters: -
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| 96 | * Returns: -
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| 97 | */
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| 98 | public function __construct() {
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| 99 | $this->KMLNodes = array();
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| 100 | $this->KMLLines = array();
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| 101 | $this->NetworkList = new NetworkList();
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| 102 | }
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| 103 |
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| 104 | /*
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| 105 | * Function: addNode
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| 106 | * Description: Add a node to the local node array
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| 107 | * Parameters: KMLNode $node
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| 108 | * Returns: -
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| 109 | */
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| 110 | public function addNode(KMLNode $node) {
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| 111 | $this->KMLNodes[] = $node;
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| 112 | }
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| 113 |
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| 114 | /*
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| 115 | * Function: addLIne
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| 116 | * Description: Add a line to the local line array
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| 117 | * Parameters: KMLLine $line
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| 118 | * Returns: -
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| 119 | */
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| 120 | public function addLine(KMLLine $line) {
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| 121 | $this->KMLLines[] = $line;
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| 122 | }
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| 123 |
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| 124 | /*
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| 125 | * Function: toString
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| 126 | * Description: Converts the content of this file and the placemarks to a KML valid string
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| 127 | * Parameters: -
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| 128 | * Returns: KML valid string
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| 129 | */
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| 130 | public function toString() {
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| 131 | global $config;
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| 132 |
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| 133 | $toString = $this->template;
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| 134 |
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| 135 | // Add all nodes to the string
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| 136 | $nodeString = '';
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| 137 | $nodeCount = count($this->KMLNodes);
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| 138 | for ($i = 0; $i < $nodeCount; $i++) {
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| 139 | $nodeString .= $this->KMLNodes[$i]->toString();
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| 140 | }
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| 141 |
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| 142 | // Add all connected lines to the string
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| 143 | $lineString = '';
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| 144 | $lineCount = count($this->KMLLines);
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| 145 | for ($i = 0; $i < $lineCount; $i++) {
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| 146 | // If longitude2 and latitude2 aren't set, ignore the lines
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| 147 | // This happens with all the connections that don't connect 2 nodes
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| 148 | if ($this->KMLLines[$i]->isConnected()) {
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| 149 | $lineString .= $this->KMLLines[$i]->toString();
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| 150 | }
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| 151 | }
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| 152 |
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| 153 | $toString = str_replace('%NODE_GREEN%', $config['node_green'], $toString);
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| 154 | $toString = str_replace('%NODE_ORANGE%', $config['node_orange'], $toString);
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| 155 | $toString = str_replace('%NODE_RED%', $config['node_red'], $toString);
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| 156 | $toString = str_replace('%LINE_BLACK%', $config['line_black'], $toString);
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| 157 | $toString = str_replace('%NODESCONTENT%', $nodeString, $toString);
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| 158 | $toString = str_replace('%LINESCONTENT%', $lineString, $toString);
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| 159 |
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| 160 | $toString = str_replace('%OVERALL_LONGITUDE%', $config['overall_longitude'], $toString);
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| 161 | $toString = str_replace('%OVERALL_LATITUDE%', $config['overall_latitude'], $toString);
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| 162 | $toString = str_replace('%OVERALL_ALTITUDE%', $config['overall_altitude'], $toString);
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| 163 | $toString = str_replace('%OVERALL_HEADING%', $config['overall_heading'], $toString);
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| 164 | $toString = str_replace('%OVERALL_TILT%', $config['overall_tilt'], $toString);
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| 165 | $toString = str_replace('%OVERALL_RANGE%', $config['overall_range'], $toString);
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| 166 |
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| 167 | return $toString;
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| 168 | }
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| 169 |
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| 170 | /*
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| 171 | * Function: getNodeByName
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| 172 | * Description: Find the first KMLNode with the name $name and return its position. If not found, return false
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| 173 | * Parameters: string $name
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| 174 | * Returns: Position of node in our array, if not found false
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| 175 | */
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| 176 | public function getNodeByName($name) {
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| 177 | $nodesCount = count($this->KMLNodes);
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| 178 | for ($i = 0; $i < $nodesCount; $i++) {
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| 179 | if ($this->KMLNodes[$i]->getName() == $name) {
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| 180 | return $i;
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| 181 | }
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| 182 | }
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| 183 |
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| 184 | return false;
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| 185 | }
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| 186 |
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| 187 | /*
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| 188 | * Function: parseLocationFile
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| 189 | * Description: Parse the node location file updating or adding KMLNode objects to the current KMLFile object
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| 190 | * Parameters: string $file
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| 191 | * Returns: true is successfull, otherwise false
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| 192 | */
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| 193 | public function parseLocationFile($file) {
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| 194 | // We want to find all the nodes in the location file and store information of the nodes...
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| 195 | $nodesCount = preg_match_all('/\[[a-zA-Z0-9]*\]/i', $file, $nodes, PREG_OFFSET_CAPTURE);
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| 196 | for ($i = 0; $i < $nodesCount; $i++) {
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| 197 | // Looking for "location" of the node
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| 198 | if (!$location = $this->findInLocationFile($file, 'location = ', $nodes[0][$i][1])) {
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| 199 | trigger_log(SYSLOG_WARNING, 'Could not find the "location" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 200 | continue;
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| 201 | }
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| 202 | // Looking for "status" of the node
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| 203 | if (!$status = $this->findInLocationFile($file, 'status = ', $nodes[0][$i][1])) {
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| 204 | trigger_log(SYSLOG_WARNING, 'Could not find the "status" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 205 | continue;
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| 206 | }
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| 207 | // Looking for "latitude" of the node
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| 208 | if (!$latitude = $this->findInLocationFile($file, 'latitude = ', $nodes[0][$i][1])) {
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| 209 | trigger_log(SYSLOG_WARNING, 'Could not find the "latitude" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 210 | continue;
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| 211 | }
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| 212 | // Looking for "longitude" of the node
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| 213 | if (!$longitude = $this->findInLocationFile($file, 'longitude = ', $nodes[0][$i][1])) {
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| 214 | trigger_log(SYSLOG_WARNING, 'Could not find the "longitude" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 215 | continue;
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| 216 | }
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| 217 | // Looking for "interfaces" of the node
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| 218 | if (!$interfaces = $this->findInLocationFile($file, 'interfaces = ', $nodes[0][$i][1])) {
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| 219 | trigger_log(SYSLOG_WARNING, 'Could not find the "interfaces" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 220 | continue;
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| 221 | }
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| 222 | // Looking for "masterip" of the node
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| 223 | if (!$masterip = $this->findInLocationFile($file, 'masterip = ', $nodes[0][$i][1])) {
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| 224 | trigger_log(SYSLOG_WARNING, 'Could not find the "masterip" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 225 | continue;
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| 226 | }
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| 227 | // Looking for "nodetype" of the node
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| 228 | if (!$nodetype = $this->findInLocationFile($file, 'nodetype = ', $nodes[0][$i][1])) {
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| 229 | trigger_log(SYSLOG_WARNING, 'Could not find the "nodetype" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 230 | continue;
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| 231 | }
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| 232 | // Looking for "name" of the node
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| 233 | if (!$name = $this->findInLocationFile($file, 'name = ', $nodes[0][$i][1])) {
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| 234 | trigger_log(SYSLOG_WARNING, 'Could not find the "name" of node "' . $i . '", skipping to next', __FILE__, __LINE__);
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| 235 | continue;
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| 236 | }
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| 237 |
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| 238 | // Creating a string with the complete description of the node using all data in the location file
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| 239 | $dataLocation = '
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| 240 | <Data name="location">
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| 241 | <value>
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| 242 | <![CDATA[
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| 243 | ' . $location . '
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| 244 | ]]>
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| 245 | </value>
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| 246 | </Data>
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| 247 | <Data name="status">
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| 248 | <value>' . $status . '</value>
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| 249 | </Data>
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| 250 | <Data name="interfaces">
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| 251 | <value>' . $interfaces . '</value>
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| 252 | </Data>
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| 253 | <Data name="masterIP">
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| 254 | <value>' . $masterip . '</value>
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| 255 | </Data>
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| 256 | <Data name="nodeType">
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| 257 | <value>' . $nodetype . '</value>
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| 258 | </Data>';
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| 259 |
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| 260 | if ($placemarkPosition = $this->getNodeByName($name)) {
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| 261 | // Updating an excisting placemark
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| 262 | $this->KMLNodes[$placemarkPosition]->setDataLocation($dataLocation);
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| 263 | $this->KMLNodes[$placemarkPosition]->setLongitude($longitude);
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| 264 | $this->KMLNodes[$placemarkPosition]->setLatitude($latitude);
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| 265 | } else {
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| 266 | // Adding a new placemark
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| 267 | $placemark = new KMLNode();
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| 268 | $placemark->setID($name);
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| 269 | $placemark->setName($name);
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| 270 | $placemark->setDataLocation($dataLocation);
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| 271 | $placemark->setLongitude($longitude);
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| 272 | $placemark->setLatitude($latitude);
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| 273 | $this->addNode($placemark);
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| 274 | }
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| 275 |
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| 276 | // Now let's find all interlinks with this node
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| 277 | $position = $nodes[0][$i][1];
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| 278 | while (($position = strpos($file, 'ip=', $position + 1)) && (isset($nodes[0][$i + 1][1]) && $position < $nodes[0][$i + 1][1])) {
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| 279 | $ipAddress = $this->findInLocationFile($file, 'ip=', $position);
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| 280 | $posSlash = strpos($ipAddress, '/');
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| 281 | $ip = substr($ipAddress, 0, $posSlash);
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| 282 | $netmask = substr($ipAddress, $posSlash + 1);
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| 283 |
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| 284 | $posNetwork = $this->NetworkList->find($ip);
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| 285 | if ($posNetwork) {
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| 286 | // Network already excists in list, just need to add longitude2 en latitude2 to KMLLine
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| 287 | // and add the node name to the name of the line.
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| 288 | // Position in network equals position in KMLLine array :-)
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| 289 |
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| 290 | $this->KMLLines[$posNetwork]->setName($this->KMLLines[$posNetwork]->getName() . $name);
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| 291 | $this->KMLLines[$posNetwork]->setLongitude2($longitude);
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| 292 | $this->KMLLines[$posNetwork]->setLatitude2($latitude);
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| 293 | } else {
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| 294 | // Network doesn't excist. We create a new network and a new line.
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| 295 |
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| 296 | $network = new Network($ip, $netmask);
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| 297 | $this->NetworkList->add($network);
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| 298 |
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| 299 | $data = '
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| 300 | <Data name="netmaskDecimal">
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| 301 | <value>' . $network->netmaskDecimal . '</value>
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| 302 | </Data>
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| 303 | <Data name="netmaskBinary">
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| 304 | <value>' . $network->netmaskBinary . '</value>
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| 305 | </Data>
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| 306 | <Data name="wildcardDecimal">
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| 307 | <value>' . $network->wildcardDecimal . '</value>
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| 308 | </Data>
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| 309 | <Data name="wildcardBinary">
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| 310 | <value>' . $network->wildcardBinary . '</value>
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| 311 | </Data>
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| 312 | <Data name="networkDecimal">
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| 313 | <value>' . $network->networkDecimal . '</value>
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| 314 | </Data>
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| 315 | <Data name="networkBinary">
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| 316 | <value>' . $network->networkBinary . '</value>
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| 317 | </Data>
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| 318 | <Data name="broadcastDecimal">
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| 319 | <value>' . $network->broadcastDecimal . '</value>
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| 320 | </Data>
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| 321 | <Data name="broadcastBinary">
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| 322 | <value>' . $network->broadcastBinary . '</value>
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| 323 | </Data>
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| 324 | <Data name="hostMinDecimal">
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| 325 | <value>' . $network->hostminDecimal . '</value>
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| 326 | </Data>
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| 327 | <Data name="hostMinBinary">
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| 328 | <value>' . $network->hostminBinary . '</value>
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| 329 | </Data>
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| 330 | <Data name="hostMaxDecimal">
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| 331 | <value>' . $network->hostmaxDecimal . '</value>
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| 332 | </Data>
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| 333 | <Data name="hostMaxBinary">
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| 334 | <value>' . $network->hostmaxBinary . '</value>
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| 335 | </Data>
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| 336 | <Data name="hosts">
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| 337 | <value>' . $network->numberHosts . '</value>
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| 338 | </Data>';
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| 339 |
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| 340 | $line = new KMLLine();
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| 341 | $line->setID(str_replace('.', '', $network->networkDecimal));
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| 342 | $line->setName('Link: Van ' . $name . ' naar ');
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| 343 | $line->setData($data);
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| 344 | $line->setLongitude1($longitude);
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| 345 | $line->setLatitude1($latitude);
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| 346 | $this->KMLLines[] = $line;
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| 347 | }
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| 348 | }
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| 349 | }
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| 350 | }
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| 351 |
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| 352 | /*
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| 353 | * Function: findInLocationFile
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| 354 | * Description: Find the $keyword in $file and return the value of $keyword, starting at $offset
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| 355 | * Parameters: string $file, string $keyword, integer $offset
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| 356 | * Returns: The value of the keyword if found, otherwise return false
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| 357 | */
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| 358 | private function findInLocationFile($file, $keyword, $offset) {
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| 359 | $start = strpos($file, $keyword, $offset) + strlen($keyword);
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| 360 | $end = strpos($file, "\n", $start);
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| 361 |
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| 362 | if ($start && $end && ($start < $end)) {
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| 363 | return substr($file, $start, $end - $start);
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| 364 | } else {
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| 365 | return false;
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| 366 | }
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| 367 | }
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| 368 |
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| 369 | /*
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| 370 | * Function: parseStatusFile
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| 371 | * Description: Parse the node status file updating or adding KMLNode objects to the current KMLFile object
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| 372 | * Parameters: string $file
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| 373 | * Returns: true is successfull, otherwise false
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| 374 | */
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| 375 | public function parseStatusFile($file) {
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| 376 | $fileContents = explode("\r\n", $file);
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| 377 |
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| 378 | if ($fileContents[0] != KMLFile::$fileFirst) {
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| 379 | trigger_log(SYSLOG_WARNING, 'Contents of file do not match with template of first line', __FILE__, __LINE__);
|
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| 380 | }
|
|---|
| 381 |
|
|---|
| 382 | // For loop for all the lines in the file. Skipping first line (headers) and last line (blank)
|
|---|
| 383 | $linesCount = count($fileContents);
|
|---|
| 384 | for ($i = 1; $i < $linesCount - 1; $i++) {
|
|---|
| 385 | $lineContent = explode(',', $fileContents[$i]);
|
|---|
| 386 |
|
|---|
| 387 | // Names in the status file are in the format "CNode%NAME%".
|
|---|
| 388 | // We need to remove the CNode so it matches the location file.
|
|---|
| 389 | $lineContent[1] = str_replace('CNode', '', $lineContent[1]);
|
|---|
| 390 |
|
|---|
| 391 | if (count($lineContent) != count($this->fileContent)) {
|
|---|
| 392 | trigger_log(LOG_WARNING, 'Contents of the file do not match with template of lines on line "' . $i . '"', __FILE__, __LINE__);
|
|---|
| 393 | continue;
|
|---|
| 394 | }
|
|---|
| 395 |
|
|---|
| 396 | // Checking for valid entries on this line
|
|---|
| 397 | for ($j = 0; $j < 8; $j++) {
|
|---|
| 398 | try {
|
|---|
| 399 | switch ($this->fileContent[$j]) {
|
|---|
| 400 | case 'string':
|
|---|
| 401 | $lineContent[$j] = (string) $lineContent[$j];
|
|---|
| 402 | break;
|
|---|
| 403 | case 'int':
|
|---|
| 404 | $lineContent[$j] = (int) $lineContent[$j];
|
|---|
| 405 | break;
|
|---|
| 406 | case 'double':
|
|---|
| 407 | $lineContent[$j] = (double) $lineContent[$j];
|
|---|
| 408 | break;
|
|---|
| 409 | default:
|
|---|
| 410 | break;
|
|---|
| 411 | }
|
|---|
| 412 | } catch (Exception $err) {
|
|---|
| 413 | trigger_log(SYSLOG_WARNING, 'The value "' . $j . '" on line "' . $i . '" is not valid, skipping to next line', __FILE__, __LINE__);
|
|---|
| 414 | continue;
|
|---|
| 415 | }
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | // Creating a string with the complete description of the node using all data in the status file
|
|---|
| 419 | $dataStatus = '
|
|---|
| 420 | <Data name="type">
|
|---|
| 421 | <value>' . $lineContent[0] . '</value>
|
|---|
| 422 | </Data>
|
|---|
| 423 | <Data name="hostName">
|
|---|
| 424 | <value>' . $lineContent[1] . '</value>
|
|---|
| 425 | </Data>
|
|---|
| 426 | <Data name="hasBeenChecked">
|
|---|
| 427 | <value>' . $lineContent[2] . '</value>
|
|---|
| 428 | </Data>
|
|---|
| 429 | <Data name="checkExecutionTime">
|
|---|
| 430 | <value>' . $lineContent[3] . '</value>
|
|---|
| 431 | </Data>
|
|---|
| 432 | <Data name="currentState">
|
|---|
| 433 | <value>' . $lineContent[4] . '</value>
|
|---|
| 434 | </Data>
|
|---|
| 435 | <Data name="lastHardState">
|
|---|
| 436 | <value>' . $lineContent[5] . '</value>
|
|---|
| 437 | </Data>
|
|---|
| 438 | <Data name="lastCheck">
|
|---|
| 439 | <value>' . $lineContent[6] . '</value>
|
|---|
| 440 | </Data>
|
|---|
| 441 | <Data name="problemHasBeenAcknowledged">
|
|---|
| 442 | <value>' . $lineContent[7] . '</value>
|
|---|
| 443 | </Data>';
|
|---|
| 444 |
|
|---|
| 445 | $style = NODE_RED;
|
|---|
| 446 | if ($lineContent[4] == NODE_STATUS_ERROR) {
|
|---|
| 447 | $style = NODE_ORANGE;
|
|---|
| 448 | } elseif ($lineContent[4] == NODE_STATUS_UP) {
|
|---|
| 449 | $style = NODE_GREEN;
|
|---|
| 450 | }
|
|---|
| 451 |
|
|---|
| 452 | if ($placemarkPosition = $this->getNodeByName($lineContent[1])) {
|
|---|
| 453 | // Updating an excisting placemark
|
|---|
| 454 | $this->KMLNodes[$placemarkPosition]->setDataStatus($dataStatus);
|
|---|
| 455 | $this->KMLNodes[$placemarkPosition]->setStyle($style);
|
|---|
| 456 | } else {
|
|---|
| 457 | // Adding a new placemark
|
|---|
| 458 | $placemark = new KMLNode();
|
|---|
| 459 | $placemark->setID($lineContent[1]);
|
|---|
| 460 | $placemark->setName($lineContent[1]);
|
|---|
| 461 | $placemark->setDataStatus($dataStatus);
|
|---|
| 462 | $placemark->setStyle($style);
|
|---|
| 463 | $this->addNode($placemark);
|
|---|
| 464 | }
|
|---|
| 465 | }
|
|---|
| 466 | }
|
|---|
| 467 | }
|
|---|
| 468 | ?>
|
|---|
