private function renderMapThumb($MAPCFG)
{
global $CORE;
$imgPath = $MAPCFG->BACKGROUND->getFile(GET_PHYSICAL_PATH);
// Check if
// a) PHP supports gd
// b) The image is a local one
// c) The image exists
// When one is not OK, then use the large map image
if (!$CORE->checkGd(0) || !$MAPCFG->BACKGROUND->getFileType() == 'local' || !file_exists($imgPath)) {
return $MAPCFG->BACKGROUND->getFile();
}
$sThumbFile = $MAPCFG->getName() . '-thumb.' . $this->getFileType($imgPath);
$sThumbPath = cfg('paths', 'sharedvar') . $sThumbFile;
$sThumbPathHtml = cfg('paths', 'htmlsharedvar') . $sThumbFile;
// Only create a new thumb when there is no cached one
$FCACHE = new GlobalFileCache($imgPath, $sThumbPath);
if ($FCACHE->isCached() === -1) {
$image = $this->createThumbnail($imgPath, $sThumbPath);
}
return $sThumbPathHtml;
}
/**
* A source can modify the map configuration before it is used for further processing.
* Such a source is a key which points to a "process", "params" and "changed" function
* which can
* 1. modify the map config array
* 2. gather all the parameters used in this source
* 3. tell the source processing that the data used in this source has changed and the
* source needs processed again
*/
private function processSources()
{
global $_MAINCFG;
$sources = $this->getValue(0, 'sources');
if (!$sources) {
return;
}
// 1. Check if there is a cache file for a query with this params
$params = $this->getSourceParams();
// FIXME: Add a flag to exclude options from cache file naming
if (isset($params['source_file'])) {
unset($params['source_file']);
}
$param_values = $this->paramsToString($params);
$cacheFile = cfg('paths', 'var') . 'source-' . $this->name . '.cfg-' . $param_values . '-' . CONST_VERSION . '.cache';
$CACHE = new GlobalFileCache(array(), $cacheFile);
// 2a. Check if the cache file exists
// 2b. Check if the cache file is newer than the latest changed source
$cache_sources = $CACHE->isCached();
$cache_map = $this->CACHE->isCached();
$cache_maincfg = $_MAINCFG->isCached();
if ($cache_sources != -1 && $cache_map != -1 && $cache_maincfg != -1 && $cache_sources >= $cache_maincfg && $cache_sources >= $cache_map && !$this->sourcesChanged($cache_sources)) {
// 3a. Use the cache
$this->mapConfig = $CACHE->getCache();
return;
}
$cacheable = true;
// 3b. Process all the sources
foreach ($sources as $source) {
$func = 'process_' . $source;
if (!function_exists($func)) {
throw new NagVisException(l('Requested source "[S]" does not exist', array('S' => $source)));
}
try {
$cacheable &= $func($this, $this->name, $this->mapConfig);
} catch (Exception $e) {
if (!$this->ignoreSourceErrors) {
throw $e;
}
}
}
// Call process filter implicit if not already done
process_filter($this, $this->name, $this->mapConfig);
if ($cacheable) {
$CACHE->writeCache($this->mapConfig, 1);
}
// FIXME: Invalidate/remove cache files on changed configurations
}
private function getMapsCached()
{
$maps = $this->CORE->getPermittedMaps();
$cache_file = cfg('paths', 'var') . 'snapin-' . md5(json_encode(array_keys($maps))) . '-' . CONST_VERSION . '.cache';
$CACHE = new GlobalFileCache(array(), $cache_file);
$cached = $CACHE->isCached();
if ($cached != -1 && time() - $cached < 15) {
return $CACHE->getCache();
} else {
$result = $this->getMaps($maps);
$CACHE->writeCache($result);
return $result;
}
}
/**
* Returns a list of maps for the header menus macro list
*
* return Array
* @author Lars Michelsen <*****@*****.**>
*/
private function getMapList()
{
global $_MAINCFG, $CORE, $AUTHORISATION;
// Get all the maps global content and use only those which are needed
$filename = cfg('paths', 'var') . 'maplist-full-global.cfg-' . CONST_VERSION . '-cache';
$cfgFiles = $CORE->getAvailableMaps();
$path = $CORE->getMainCfg()->getValue('paths', 'mapcfg');
foreach ($cfgFiles as $name) {
$cfgFiles[$name] = $path . $name . ".cfg";
}
$CACHE = new GlobalFileCache($cfgFiles, cfg('paths', 'var') . 'maplist-full-global.cfg-' . CONST_VERSION . '-cache');
if ($CACHE->isCached() !== -1 && $_MAINCFG->isCached() !== -1 && $CACHE->isCached() >= $_MAINCFG->isCached()) {
// Read the whole list from the cache
$list = $CACHE->getCache();
} else {
// Get all the maps global config sections and cache them
$list = array();
foreach ($CORE->getAvailableMaps() as $mapName) {
$MAPCFG = new GlobalMapCfg($mapName);
try {
$MAPCFG->readMapConfig(ONLY_GLOBAL);
} catch (MapCfgInvalid $e) {
$map['configError'] = true;
} catch (NagVisException $e) {
$map['configError'] = true;
}
// Only show maps which should be shown
if ($MAPCFG->getValue(0, 'show_in_lists') != 1) {
continue;
}
$list[$mapName] = array('mapName' => $MAPCFG->getName(), 'mapAlias' => $MAPCFG->getValue(0, 'alias'), 'childs' => array(), 'class' => '', 'parent' => $MAPCFG->getValue(0, 'parent_map'));
}
// Save the list as cache
$CACHE->writeCache($list, 1);
}
$permEditAnyMap = false;
$aMaps = array();
$childMaps = array();
// Perform user specific filtering on the cached data
foreach ($list as $map) {
// Remove unpermitted maps
if (!$AUTHORISATION->isPermitted('Map', 'view', $map['mapName'])) {
unset($list[$map['mapName']]);
continue;
}
// Change permission to edit
$map['permittedEdit'] = $AUTHORISATION->isPermitted('Map', 'edit', $map['mapName']);
$permEditAnyMap |= $map['permittedEdit'];
if ($map['parent'] === '') {
$aMaps[$map['mapName']] = $map;
} else {
if (!isset($childMaps[$map['parent']])) {
$childMaps[$map['parent']] = array();
}
$childMaps[$map['parent']][$map['mapName']] = $map;
}
}
// auto select current map and apply map specific options to the header menu
if ($this->OBJ !== null && $this->aMacros['mod'] == 'Map' && isset($list[$this->OBJ->getName()])) {
$list[$this->OBJ->getName()]['selected'] = True;
}
return array($this->mapListToTree($aMaps, $childMaps), $permEditAnyMap);
}