Neues Ladestationsmodul mit ocpp Modul erstellt.
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<?php
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require_once __DIR__ . '/libs/WebSocketEndpoint.php';
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require_once __DIR__ . '/libs/ConnectionRegistry.php';
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require_once __DIR__ . '/libs/OCPPFrameRouter.php';
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class OCPP_Server extends IPSModule
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{
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private const ATTR_CONNECTIONS = 'Connections';
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public function Create()
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{
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parent::Create();
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$this->RegisterPropertyBoolean('EnableWebhook', true);
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$this->RegisterPropertyString('HookPath', '/hook/ocpp');
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$this->RegisterPropertyInteger('DefaultTargetInstance', 0);
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$this->RegisterPropertyString('Ladepunkte', json_encode([]));
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$this->RegisterPropertyInteger('HeartbeatSeconds', 30);
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$this->RegisterPropertyInteger('DebugLevel', 0);
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$this->RegisterAttributeString(self::ATTR_CONNECTIONS, ConnectionRegistry::toJson(ConnectionRegistry::empty()));
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$this->RegisterVariableString('TransportStatus', 'TransportStatus', '', 10);
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$this->RegisterVariableString('LastInboundFrame', 'LastInboundFrame', '', 20);
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$this->RegisterVariableString('LastOutboundFrame', 'LastOutboundFrame', '', 21);
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$this->RegisterVariableString('LastRouteResult', 'LastRouteResult', '', 22);
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$this->RegisterVariableInteger('ConnectionCount', 'ConnectionCount', '', 30);
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$this->RegisterVariableInteger('LastMessageTime', 'LastMessageTime', '', 31);
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$this->RegisterVariableString('WebSocketSupportStatus', 'WebSocketSupportStatus', '', 40);
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$this->RegisterVariableString('LetzteMeldung', 'LetzteMeldung', '', 41);
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$this->RegisterVariableInteger('LetzteMeldungZeit', 'LetzteMeldungZeit', '', 42);
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$this->RegisterTimer('Timer_TransportWatchdog', 30000, 'IPS_RequestAction(' . $this->InstanceID . ', "TransportWatchdog", "");');
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$this->SetValue('TransportStatus', 'Scaffold');
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$this->SetValue('WebSocketSupportStatus', 'Nicht geprueft');
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$this->SetValue('LetzteMeldung', 'OCPP Server Scaffold initialisiert');
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}
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public function ApplyChanges()
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{
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parent::ApplyChanges();
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$this->SetTimerInterval('Timer_TransportWatchdog', max(5, $this->ReadPropertyInteger('HeartbeatSeconds')) * 1000);
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$summary = WebSocketEndpoint::supportSummary(method_exists($this, 'RegisterHook'), $this->ReadPropertyString('HookPath'));
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$this->SetValue('WebSocketSupportStatus', $summary['status'] . ': ' . $summary['detail']);
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$this->SetSummary($summary['status']);
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if ($this->ReadPropertyBoolean('EnableWebhook')) {
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$this->tryRegisterHook();
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}
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$this->SetStatus(102);
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}
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public function RequestAction($Ident, $Value)
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{
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switch ($Ident) {
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case 'RegisterHook':
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$this->tryRegisterHook();
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break;
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case 'QueueOutboundFrame':
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$this->QueueOutboundFrame((string)$Value);
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break;
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case 'RouteInboundFrame':
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$this->RouteInboundFrame((string)$Value);
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break;
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case 'TransportWatchdog':
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$this->TransportWatchdog();
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break;
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case 'ClearBuffers':
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$this->SetValue('LastInboundFrame', '');
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$this->SetValue('LastOutboundFrame', '');
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$this->SetValue('LastRouteResult', '');
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$this->setMessage('Puffer geloescht');
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break;
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default:
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throw new Exception('Invalid Ident');
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}
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}
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protected function ProcessHookData($JSONString = '')
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{
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$raw = WebSocketEndpoint::readRawBody();
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if ($raw === '' && is_string($JSONString)) {
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$raw = $JSONString;
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}
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$path = $_SERVER['REQUEST_URI'] ?? $this->ReadPropertyString('HookPath');
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$chargePointId = (new OCPPFrameRouter())->extractChargePointId((string)$path);
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$this->RouteInboundFrame(json_encode([
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'ChargePointId' => $chargePointId,
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'Frame' => $raw,
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'Remote' => ($_SERVER['REMOTE_ADDR'] ?? '') . ':' . ($_SERVER['REMOTE_PORT'] ?? '')
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]));
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header('Content-Type: application/json');
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echo json_encode([
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'status' => 'accepted',
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'note' => 'OCPP transport scaffold. Produktiver WebSocket-Dauerbetrieb muss mit Station verifiziert werden.'
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]);
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}
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public function QueueOutboundFrame(string $json): void
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{
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$this->SetValue('LastOutboundFrame', $json);
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$this->SetValue('LastMessageTime', time());
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$this->setMessage('Outbound Frame vorgemerkt. Aktiver WebSocket-Sendekanal ist noch Scaffold.');
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}
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public function RouteInboundFrame(string $json): void
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{
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$data = json_decode($json, true);
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if (!is_array($data)) {
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$data = [
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'ChargePointId' => '',
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'Frame' => $json,
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'Remote' => ''
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];
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}
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$chargePointId = (string)($data['ChargePointId'] ?? '');
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$frame = (string)($data['Frame'] ?? '');
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$remote = (string)($data['Remote'] ?? '');
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$this->SetValue('LastInboundFrame', $frame);
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$this->SetValue('LastMessageTime', time());
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$connections = ConnectionRegistry::touch(
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ConnectionRegistry::fromJson($this->ReadAttributeString(self::ATTR_CONNECTIONS)),
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$chargePointId,
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$remote
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);
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$this->WriteAttributeString(self::ATTR_CONNECTIONS, ConnectionRegistry::toJson($connections));
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$this->SetValue('ConnectionCount', count($connections['connections']));
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$routes = json_decode($this->ReadPropertyString('Ladepunkte'), true);
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if (!is_array($routes)) {
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$routes = [];
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}
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$target = (new OCPPFrameRouter())->route(
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$routes,
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$chargePointId,
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1,
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1,
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$this->ReadPropertyInteger('DefaultTargetInstance')
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);
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$this->SetValue('LastRouteResult', json_encode([
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'chargePointId' => $chargePointId,
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'target' => $target,
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'timestamp' => time()
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]));
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if ($target > 0 && IPS_InstanceExists($target)) {
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IPS_RequestAction($target, 'HandleInboundFrame', $frame);
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$this->setMessage('Inbound Frame an Zielinstanz ' . $target . ' geroutet.');
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return;
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}
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$this->setMessage('Inbound Frame empfangen, aber keine Zielinstanz gefunden.');
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}
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public function TransportWatchdog(): void
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{
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$last = (int)$this->GetValue('LastMessageTime');
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if ($last === 0) {
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$this->SetValue('TransportStatus', 'Wartet auf OCPP Verbindung');
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return;
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}
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$age = time() - $last;
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if ($age > max(90, 3 * $this->ReadPropertyInteger('HeartbeatSeconds'))) {
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$this->SetValue('TransportStatus', 'Timeout');
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$this->setMessage('Transport-Watchdog Timeout nach ' . $age . ' Sekunden.');
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return;
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}
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$this->SetValue('TransportStatus', 'Aktiv/Scaffold');
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}
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private function tryRegisterHook(): void
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{
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$hook = $this->ReadPropertyString('HookPath');
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if (method_exists($this, 'RegisterHook')) {
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try {
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$this->RegisterHook($hook);
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$this->SetValue('WebSocketSupportStatus', 'RegisterHook aufgerufen fuer ' . $hook . '. WebSocket-Dauerbetrieb noch testen.');
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$this->setMessage('Webhook registriert: ' . $hook);
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return;
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} catch (Throwable $e) {
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$this->SetValue('WebSocketSupportStatus', 'RegisterHook Fehler: ' . $e->getMessage());
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$this->setMessage('Webhook konnte nicht registriert werden.');
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return;
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}
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}
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$this->SetValue('WebSocketSupportStatus', 'RegisterHook nicht verfuegbar. WebHook Control manuell pruefen.');
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$this->setMessage('RegisterHook nicht verfuegbar.');
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}
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private function setMessage(string $message): void
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{
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$this->SetValue('LetzteMeldung', $message);
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$this->SetValue('LetzteMeldungZeit', time());
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if ($this->ReadPropertyInteger('DebugLevel') > 0) {
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$this->SendDebug('OCPP_Server', $message, 0);
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}
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}
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}
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?>
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