source: trunk/src/inc/KMLFile.class.php@ 7663

Last change on this file since 7663 was 7661, checked in by rick, 15 years ago

Need to have <?php to make to parse properly under UNIX
File size: 7.5 KB
Line 
1<?php
2/*
3 * Project: NodeMap2.0
4 * File: KMLHandler.class.php
5 * Purpose: Creating of editing KML files
6 */
7
8define('PLACEMARK_GREEN', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/green-dot.png');
9define('PLACEMARK_ORANGE', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/orange-dot.png');
10define('PLACEMARK_RED', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/red-dot.png');
11
12class KMLFile {
13 private $template = '
14 <?xml version="1.0" encoding="UTF-8"?>
15 <kml xmlns="http://www.opengis.net/kml/2.2">
16 <Document>
17 <name>Wireless Leiden Interactive Nodemap 2.0</name>
18 <open>1</open>
19 <description>Wireless Leiden Interactive Nodemap 2.0</description>
20 <Style id="greenArrowIcon">
21 <IconStyle>
22 <Icon>
23 <href>%PLACEMARK_GREEN%</href>
24 </Icon>
25 </IconStyle>
26 </Style>
27 <Style id="orangeArrowIcon">
28 <IconStyle>
29 <Icon>
30 <href>%PLACEMARK_ORANGE%</href>
31 </Icon>
32 </IconStyle>
33 </Style>
34 <Style id="redArrowIcon">
35 <IconStyle>
36 <Icon>
37 <href>%PLACEMARK_RED%</href>
38 </Icon>
39 </IconStyle>
40 </Style>
41 <Folder>
42 <name>Nodes</name>
43 <description>Nodes from the Wireless Leiden network</description>
44 <LookAt>
45 <longitude>52.161087</longitude>
46 <latitude>4.490153</latitude>
47 <altitude>0</altitude>
48 <heading>0</heading>
49 <tilt>0</tilt>
50 <range>500</range>
51 </LookAt>
52 %CONTENT%
53 </Folder>
54 </Document>
55 </kml>';
56
57 static $fileFirst = 'type,host_name,has_been_checked,check_execution_time,current_state,last_hard_state,last_check,problem_has_been_acknowledged';
58 private $fileContent = array('string', 'string', 'integer', 'double', 'integer', 'integer', 'integer', 'integer');
59
60 private $KMLPlacemarks;
61
62 /*
63 * Function: __construct (constructor)
64 * Parameters: -
65 * Function: Creating a new KMLFile
66 */
67 public function __construct() {
68 $this->KMLPlacemarks = array();
69 }
70
71 public function addPlacemark(KMLPlacemark $placemark) {
72 $this->KMLPlacemarks[] = $placemark;
73 }
74
75 public function toString() {
76 $toString = $this->template;
77
78 $placemarkString = '';
79 $placemarkCount = count($this->KMLPlacemarks);
80 for ($i = 0; $i < $placemarkCount; $i++) {
81 $placemarkString .= $this->KMLPlacemarks[$i]->toString();
82 }
83
84 $toString = str_replace('%PLACEMARK_GREEN%', PLACEMARK_GREEN, $toString);
85 $toString = str_replace('%PLACEMARK_ORANGE%', PLACEMARK_ORANGE, $toString);
86 $toString = str_replace('%PLACEMARK_RED%', PLACEMARK_RED, $toString);
87 $toString = str_replace('%CONTENT%', $placemarkString, $toString);
88
89 return $toString;
90 }
91
92 public function write($filename) {
93 // TODO: Write KMLFile to a KML file
94 }
95
96 /*
97 * Function: getPlacemarkByName
98 * Parameters: string $name
99 * Function: Find the first KMLPlacemark with the name $name and return its position. If not found, return false
100 */
101 public function getPlacemarkByName($name) {
102 $nodesCount = count($this->KMLPlacemarks);
103 for ($i = 0; $i < $nodesCount; $i++) {
104 if ($this->KMLPlacemarks[$i]->getName() == $name) {
105 return $i;
106 }
107 }
108 return false;
109 }
110
111 /*
112 * Function: parseLocationFile
113 * Parameters: string $file
114 * Function: Parse the node location file updating or adding KMLPlacemark objects to the current KMLFile object
115 */
116 public function parseLocationFile($file) {
117 $nodesCount = preg_match_all('/\[[a-zA-Z0-9]*\]/i', $file, $nodes, PREG_OFFSET_CAPTURE);
118 for ($i = 0; $i < $nodesCount; $i++) {
119 // TODO: Needs checking for parsing errors
120 $location = $this->findInLocationFile($file, 'location', $nodes[0][$i][1]);
121 $status = $this->findInLocationFile($file, 'status', $nodes[0][$i][1]);
122 $latitude = $this->findInLocationFile($file, 'latitude', $nodes[0][$i][1]);
123 $longitude = $this->findInLocationFile($file, 'longitude', $nodes[0][$i][1]);
124 $interfaces = $this->findInLocationFile($file, 'interfaces', $nodes[0][$i][1]);
125 $masterip = $this->findInLocationFile($file, 'masterip', $nodes[0][$i][1]);
126 $nodetype = $this->findInLocationFile($file, 'nodetype', $nodes[0][$i][1]);
127 $name = $this->findInLocationFile($file, 'name', $nodes[0][$i][1]);
128
129 $descriptionLocation = 'Naam: ' . $name . '<br/>Locatie: ' . $location . '<br/>Status: ' . $status . '<br/>Latitude: ' . $latitude . '<br/>Longitude: ' . $longitude . '<br/>Interfaces: ' . $interfaces . '<br/>Master IP: ' . $masterip . '<br/>Node type: ' . $nodetype . '<br/><br/>';
130
131 if ($placemarkPosition = $this->getPlacemarkByName($name)) {
132 $this->KMLPlacemarks[$placemarkPosition]->setDescriptionLocation($descriptionLocation);
133 $this->KMLPlacemarks[$placemarkPosition]->setLongitude($longitude);
134 $this->KMLPlacemarks[$placemarkPosition]->setLatitude($latitude);
135 } else {
136 $placemark = new KMLPlacemark();
137 $placemark->setName($name);
138 $placemark->setDescriptionLocation($descriptionLocation);
139 $placemark->setLongitude($longitude);
140 $placemark->setLatitude($latitude);
141 $this->addPlacemark($placemark);
142 }
143 }
144 }
145
146 /*
147 * Function: findInLocationFile
148 * Parameters: string $file, string $keyword, integer $offset
149 * Function: Find the $keyword in $file and return the value of $keyword, starting at $offset, on error return false
150 */
151 private function findInLocationFile($file, $keyword, $offset) {
152 $start = strpos($file, $keyword, $offset) + strlen($keyword . ' = ');
153 $end = strpos($file, "\n", $start);
154
155 if ($start && $end && ($start < $end)) {
156 return substr($file, $start, $end - $start);
157 } else {
158 return false;
159 }
160 }
161
162 /*
163 * Function: parseStatusFile
164 * Parameters: string $file
165 * Function: Parse the node status file updating or adding KMLPlacemark objects to the current KMLFile object
166 */
167 public function parseStatusFile($file) {
168 $fileContents = explode("\r\n", $file);
169
170 if ($fileContents[0] != KMLFile::$fileFirst) {
171 trigger_log(LOG_WARNING, 'Contents of file do not match with template of first line', __FILE__, __LINE__);
172 }
173
174 $linesCount = count($fileContents);
175 for ($i = 1; $i < $linesCount - 1; $i++) {
176 $lineContent = explode(',', $fileContents[$i]);
177
178 if (count($lineContent) != count($this->fileContent)) {
179 trigger_log(LOG_WARNING, 'Contents of file do not match with template of lines', __FILE__, __LINE__);
180 }
181
182 // TODO: Process all lines and update KMLPlacemark objects we already have in the current object
183 $type = $lineContent[0];
184 $host_name = str_replace('CNode', '', $lineContent[1]);
185 $has_been_checked = $lineContent[2];
186 $check_execution_time = $lineContent[3];
187 $current_state = $lineContent[4];
188 $last_hard_state = $lineContent[5];
189 $last_check = $lineContent[6];
190 $problem_has_been_acknowledged = $lineContent[7];
191
192 $descriptionStatus = 'Type: ' . $type . '<br/>Host name: ' . $host_name . '<br/>Has been checked: ' . $has_been_checked . '<br/>Check execution time: ' . $check_execution_time . '<br/>Currenr state: ' . $current_state . '<br/>Last hard state: ' . $last_hard_state . '<br/>Last check: ' . $last_check . '<br/>Problem has been acknowledged: ' . $problem_has_been_acknowledged . '<br/><br/>';
193
194 if ($placemarkPosition = $this->getPlacemarkByName($host_name)) {
195 $this->KMLPlacemarks[$placemarkPosition]->setDescriptionStatus($descriptionStatus);
196 } else {
197 $placemark = new KMLPlacemark();
198 $placemark->setName($host_name);
199 $placemark->setDescriptionStatus($descriptionStatus);
200 $this->addPlacemark($placemark);
201 }
202 }
203 }
204}
205?>
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