Examples with DefaultPlcSubscriptionRequest org.apache.plc4x.java.spi.messages.DefaultPlcSubscriptionRequest used on opensource projects

Example 1 with DefaultPlcSubscriptionRequest

use of org.apache.plc4x.java.spi.messages.DefaultPlcSubscriptionRequest in project plc4x by apache.

the class S7ProtocolLogic method subscribe.

@Override
public CompletableFuture<PlcSubscriptionResponse> subscribe(PlcSubscriptionRequest subscriptionRequest) {
    CompletableFuture<PlcSubscriptionResponse> future = new CompletableFuture<>();
    DefaultPlcSubscriptionRequest request = (DefaultPlcSubscriptionRequest) subscriptionRequest;
    List<S7ParameterUserDataItem> parameterItems = new ArrayList<>(request.getNumberOfFields());
    List<S7PayloadUserDataItem> payloadItems = new ArrayList<>(request.getNumberOfFields());
    for (String fieldName : request.getFieldNames()) {
        final DefaultPlcSubscriptionField sf = (DefaultPlcSubscriptionField) request.getField(fieldName);
        final S7SubscriptionField field = (S7SubscriptionField) sf.getPlcField();
        switch(field.getFieldType()) {
            case EVENT_SUBSCRIPTION:
                ;
                encodeEventSubcriptionRequest(request, parameterItems, payloadItems);
                break;
            case EVENT_UNSUBSCRIPTION:
                ;
                // encodeEventUnSubcriptionRequest(msg, out);
                break;
            case ALARM_ACK:
                ;
                // encodeAlarmAckRequest(msg, out);
                break;
            case ALARM_QUERY:
                ;
                // encodeAlarmQueryRequest(msg, out);
                break;
            case CYCLIC_SUBSCRIPTION:
                ;
                // encodeCycledSubscriptionRequest(msg, out);
                break;
            case CYCLIC_UNSUBSCRIPTION:
                ;
                // encodeCycledUnSubscriptionRequest(msg, out);
                break;
            default:
                ;
        }
        ;
    // final PlcValue plcValue = request.getPlcValue(fieldName);
    // parameterItems.add(new S7VarRequestParameterItemAddress(encodeS7Address(field)));
    // payloadItems.add(serializePlcValue(field, plcValue));
    }
    final int tpduId = tpduGenerator.getAndIncrement();
    // If we've reached the max value for a 16 bit transaction identifier, reset back to 1
    if (tpduGenerator.get() == 0xFFFF) {
        tpduGenerator.set(1);
    }
    TPKTPacket tpktPacket = new TPKTPacket(new COTPPacketData(null, new S7MessageUserData(tpduId, new S7ParameterUserData(parameterItems), new S7PayloadUserData(payloadItems, null)), true, (short) tpduId, null));
    // Start a new request-transaction (Is ended in the response-handler)
    RequestTransactionManager.RequestTransaction transaction = tm.startRequest();
    transaction.submit(() -> context.sendRequest(tpktPacket).onTimeout(new TransactionErrorCallback<>(future, transaction)).onError(new TransactionErrorCallback<>(future, transaction)).expectResponse(TPKTPacket.class, REQUEST_TIMEOUT).check(p -> p.getPayload() instanceof COTPPacketData).unwrap(p -> ((COTPPacketData) p.getPayload())).unwrap(COTPPacket::getPayload).check(p -> p.getTpduReference() == tpduId).handle(p -> {
        try {
            future.complete(((PlcSubscriptionResponse) decodeEventSubcriptionRequest(p, subscriptionRequest)));
        } catch (PlcProtocolException e) {
            logger.warn("Error sending 'write' message: '{}'", e.getMessage(), e);
        }
        // Finish the request-transaction.
        transaction.endRequest();
    }));
    return future;
}

Example 2 with DefaultPlcSubscriptionRequest

use of org.apache.plc4x.java.spi.messages.DefaultPlcSubscriptionRequest in project plc4x by apache.

the class CANOpenProtocolLogic method subscribe.

@Override
public CompletableFuture<PlcSubscriptionResponse> subscribe(PlcSubscriptionRequest request) {
    DefaultPlcSubscriptionRequest rq = (DefaultPlcSubscriptionRequest) request;
    Map<String, ResponseItem<PlcSubscriptionHandle>> answers = new LinkedHashMap<>();
    DefaultPlcSubscriptionResponse response = new DefaultPlcSubscriptionResponse(rq, answers);
    for (String key : rq.getFieldNames()) {
        DefaultPlcSubscriptionField subscription = (DefaultPlcSubscriptionField) rq.getField(key);
        if (subscription.getPlcSubscriptionType() != PlcSubscriptionType.EVENT) {
            answers.put(key, new ResponseItem<>(PlcResponseCode.UNSUPPORTED, null));
        } else if ((subscription.getPlcField() instanceof CANOpenPDOField)) {
            answers.put(key, new ResponseItem<>(PlcResponseCode.OK, new CANOpenSubscriptionHandle(this, key, (CANOpenPDOField) subscription.getPlcField())));
        } else if ((subscription.getPlcField() instanceof CANOpenNMTField)) {
            answers.put(key, new ResponseItem<>(PlcResponseCode.OK, new CANOpenSubscriptionHandle(this, key, (CANOpenNMTField) subscription.getPlcField())));
        } else if ((subscription.getPlcField() instanceof CANOpenHeartbeatField)) {
            answers.put(key, new ResponseItem<>(PlcResponseCode.OK, new CANOpenSubscriptionHandle(this, key, (CANOpenHeartbeatField) subscription.getPlcField())));
        } else {
            answers.put(key, new ResponseItem<>(PlcResponseCode.INVALID_ADDRESS, null));
        }
    }
    return CompletableFuture.completedFuture(response);
}