Examples with GenericFrame org.apache.plc4x.java.can.generic.transport.GenericFrame used on opensource projects

Example 1 with GenericFrame

use of org.apache.plc4x.java.can.generic.transport.GenericFrame in project plc4x by apache.

the class GenericCANProtocolLogic method write.

@Override
public CompletableFuture<PlcWriteResponse> write(PlcWriteRequest writeRequest) {
    final RequestTransactionManager.RequestTransaction transaction = tm.startRequest();
    CompletableFuture<PlcWriteResponse> response = new CompletableFuture<>();
    transaction.submit(() -> {
        Map<Integer, WriteBufferByteBased> messages = new LinkedHashMap<>();
        Map<Integer, Map<String, PlcResponseCode>> responses = new HashMap<>();
        for (String field : writeRequest.getFieldNames()) {
            PlcField plcField = writeRequest.getField(field);
            if (!(plcField instanceof GenericCANField)) {
                responses.computeIfAbsent(-1, (node) -> new HashMap<>()).put(field, PlcResponseCode.UNSUPPORTED);
                continue;
            }
            GenericCANField canField = (GenericCANField) plcField;
            WriteBuffer buffer = messages.computeIfAbsent(canField.getNodeId(), (node) -> new WriteBufferByteBased(8, ByteOrder.LITTLE_ENDIAN));
            Map<String, PlcResponseCode> statusMap = responses.computeIfAbsent(canField.getNodeId(), (node) -> new HashMap<>());
            PlcValue value = writeRequest.getPlcValue(field);
            try {
                write(buffer, canField, value);
                statusMap.put(field, PlcResponseCode.OK);
            } catch (SerializationException e) {
                statusMap.put(field, PlcResponseCode.INVALID_DATA);
            }
        }
        Map<String, PlcResponseCode> codes = new HashMap<>();
        for (Map.Entry<Integer, WriteBufferByteBased> message : messages.entrySet()) {
            boolean discarded = false;
            for (Map.Entry<String, PlcResponseCode> entry : responses.get(message.getKey()).entrySet()) {
                codes.put(entry.getKey(), entry.getValue());
                if (!discarded && entry.getValue() != PlcResponseCode.OK) {
                    logger.info("Discarding writing of frame with field {}. Node {} will not be communicated.", entry.getKey(), message.getKey());
                    discarded = true;
                }
            }
            if (!discarded) {
                byte[] data = message.getValue().getData();
                logger.debug("Writing message with id {} and {} bytes of data", message.getKey(), data.length);
                context.sendToWire(new GenericFrame(message.getKey(), data));
            }
        }
        response.complete(new DefaultPlcWriteResponse(writeRequest, codes));
        transaction.endRequest();
    });
    return response;
}