RemoteDataCenterClass.php
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<?php
/**
* @class RemoteDataCenterClass
* @brief Server
* @details
*/
abstract class RemoteDataCenterClass
{
protected $url = null, $WSDL = null, $treeXML = null;
protected $needsArgs = false;
protected $hasAccessUrl = false;
public $domAmda = null, $dataCenter = null;
public $domAmdaName = "base.xml";
public $additionalArgs = null;
public $baseID = null;
public $location;
public $tree = null;
protected $DDserverDir;
public static $MAX_NAME_LENGTH = 31;
public static $MAX_VI_NAME_LENGTH = 16;
/*
* @brief Constructor
*/
function __construct()
{
$this->baseID = get_class($this);
$this->location = RemoteData."/bases/".$this->baseID;
date_default_timezone_set('UTC');
$this->DDserverDir = RemoteData."/DDServer/".$this->baseID;
}
/* Function to change External Bases stuff in case of existing AMDA aliases.
Uses file DICTIONARY_DIR.mapBaseID.xml */
protected function alias($Dictionary, $name) {
$xmldoc = new DomDocument("1.0");
$xmldoc->load($DictionaryFile);
$item = $xmldoc->getElementById(strtoupper($name));
if (!$item) return $name;
$alias = $item->nodeValue;
return $alias;
}
public function param2dd($paramID)
{
$pairs = array(" " => "_","-" => "_","/" => "_","%" => "_","\\" => "_","$" => "_",":" => "_","+" =>"_","#" => "_",
"@" => "_","." => "_", ">" => "_", "<" => "_", "," => "_", ")" => "", "(" => "_");
return strtr($paramID,$pairs);
}
public function saveProxy()
{
$this->domAmda->save($this->location."/".$this->domAmdaName);
}
abstract public function init();
abstract protected function getRemoteTree();
abstract protected function setDataCenterAttributes();
abstract protected function makeArgumentsList();
// abstract public function getDatasetInfo($ds);
// abstract public function getData($ds, $start, $stop);
// abstract protected function convert2nc();
// abstract protected function createDatasetNodes();
// abstract protected function createParameterNodes();
// abstract protected function createDatasetGroupNodes($data);
public function initProxy()
{
if (!is_dir($this->location))
mkdir($this->location, 0775, true);
if (!is_dir($this->DDserverDir))
mkdir($this->DDserverDir, 0775, true);
$this->init();
$this->getRemoteTree();
}
public function makeProxy()
{
$this->domAmda = new DOMDocument('1.0', 'utf-8');
$this->domAmda->formatOutput = TRUE;
$this->domAmda->preserveWhiteSpace = FALSE;
$dataRoot = $this->domAmda->createElement('dataRoot');
$dataRoot->setAttribute('xml:id', 'myRemoteData-treeRootNode');
$this->domAmda->appendChild($dataRoot);
$this->dataCenter=$this->domAmda->createElement('dataCenter');
$this->dataCenter->setAttribute('xml:id', $this->baseID);
$this->dataCenter->setAttribute('name', $this->baseID);
$dataRoot->appendChild($this->dataCenter);
$this->setDataCenterAttributes();
$missionNodes = $this->createMissionNodes();
foreach ($missionNodes as $missionNode)
$this->dataCenter->appendChild($missionNode);
}
protected function getIdFromSpase($spaseId)
{
$temp = explode('/',$spaseId);
return $temp[count($temp)-1];
}
public function monitor()
{
$ch = curl_init($this->url."/".$this->WSDL);
curl_setopt($ch, CURLOPT_TIMEOUT, 3);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($ch);
$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if($httpcode >= 200 && $httpcode < 300)
{
return true;
} else
{
return false;
}
}
public function updateBufferDataBase()
{
$DDsys = new DomDocument("1.0");
if (file_exists(DDBASE."DDsys.xml") && $DDsys->load(DDBASE."DDsys.xml")) {
$currDir = getcwd();
$xpath = new domxpath($DDsys);
$datasets = $xpath->query("//NAME[@base='".$this->baseID."']");
foreach ($datasets as $ds) {
$vi = $ds->parentNode;
$id = $ds->nodeValue;
foreach ($vi->childNodes as $pp) {
if ($pp->nodeName == "LOCATION")
$loc = $pp->nodeValue;
if ($pp->nodeName == "INFO")
$info = $pp->nodeValue;
}
if (file_exists($loc.$info)) {
$infoXml = str_replace(".nc",".xml", $info);
if (is_dir($this->DDserverDir)) {
$ddInfoXml = $this->DDserverDir."/".strtoupper($id).".xml";
if (file_exists($ddInfoXml)) {
chdir($loc);
copy($ddInfoXml,$infoXml);
system("infoLocal2nc ".$infoXml." ".$info);
chdir($currDir);
}
else {
echo 'Cannot update '.$id.' in DDBASE : No '.$ddInfoXml.PHP_EOL;
}
}
else {
echo 'Cannot update '.$tid.' in DDBASE : No '.$loc.$info.PHP_EOL;
}
}
else {
echo 'Cannot update '.$this->baseID.' in DDBASE : No DDServer INFO Dir'.PHP_EOL;
}
}
}
else {
echo 'Cannot update '.$this->baseID.' in DDBASE : Cannot load DDsys.xml'.PHP_EOL;
}
}
}
?>