private function compute_sessions()
{
if (!is_object($this->dom)) {
return;
}
$sessions = $this->dom->getElementsByTagName('session');
if ($sessions->length == 0) {
return;
}
$apps_link = application_desktops_to_ids();
/* the interesting <session> nodes of the xml are like:
<session id="ID" mode="MODE" status="STATUS" user="******">
<instance application="APP_ID" id="ApS_ID"/>
</session>
*/
foreach ($sessions as $session) {
$sessid = $session->getAttribute('id');
$this->sessions[$sessid] = $session->getAttribute('user');
foreach ($session->childNodes as $instance_node) {
if ($instance_node->tagName == 'instance') {
$desktop = $instance_node->getAttribute('application');
if (!array_key_exists($desktop, $apps_link)) {
continue;
}
$id = $apps_link[$desktop];
if (!array_key_exists($id, $this->applications)) {
$this->applications[$id] = array();
}
$this->applications[$id][] = $sessid;
}
}
}
}
public static function create_from_server_report($server_id_, $xml_input_)
{
$server = Abstract_Server::load($server_id_);
if ($server === false) {
return;
}
$external_name = $server->getExternalName();
$dom = new DomDocument('1.0', 'utf-8');
$dom->loadXML($xml_input_);
if (!is_object($dom)) {
return null;
}
$node = $dom->getElementsByTagName('cpu');
if ($node->length > 0) {
$cpu = round($node->item(0)->getAttribute('load'), 2);
} else {
$cpu = -1;
}
$node = $dom->getElementsByTagName('ram');
if ($node->length > 0) {
$total = (double) $server->ram_total;
$used = (double) $node->item(0)->getAttribute('used');
if ($total > 0) {
$ram = round($used / $total * 100, 2);
} else {
$ram = 0;
}
} else {
$ram = -1;
}
$sessions = $dom->getElementsByTagName('session');
$apps_link = application_desktops_to_ids();
$sessions_infos = array();
$applications_infos = array();
/* the interesting <session> nodes of the xml are like:
<session id="ID" mode="MODE" status="STATUS" user="******">
<instance application="APP_ID" id="ApS_ID"/>
</session>
*/
foreach ($sessions as $session) {
$sessid = $session->getAttribute('id');
$sessions_infos[$sessid] = $session->getAttribute('user');
foreach ($session->childNodes as $instance_node) {
if ($instance_node->tagName == 'instance') {
$desktop = $instance_node->getAttribute('application');
if (!array_key_exists($desktop, $apps_link)) {
continue;
}
$id = $apps_link[$desktop];
if (!array_key_exists($id, $applications_infos)) {
$applications_infos[$id] = array();
}
$applications_infos[$id][] = $sessid;
}
}
}
$data = self::infos2Xml($sessions_infos, $applications_infos);
$report = new self(time(), $server_id_, $server->fqdn, $external_name, $cpu, $ram, $data);
return $report;
}
