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

Example 1 with DefaultPlcReadResponse

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

the class SimulatedConnection method read.

@Override
public CompletableFuture<PlcReadResponse> read(PlcReadRequest readRequest) {
    Map<String, ResponseItem<PlcValue>> fields = new HashMap<>();
    for (String fieldName : readRequest.getFieldNames()) {
        SimulatedField field = (SimulatedField) readRequest.getField(fieldName);
        Optional<PlcValue> valueOptional = device.get(field);
        ResponseItem<PlcValue> fieldPair;
        boolean present = valueOptional.isPresent();
        fieldPair = present ? new ResponseItem<>(PlcResponseCode.OK, valueOptional.get()) : new ResponseItem<>(PlcResponseCode.NOT_FOUND, null);
        fields.put(fieldName, fieldPair);
    }
    PlcReadResponse response = new DefaultPlcReadResponse(readRequest, fields);
    return CompletableFuture.completedFuture(response);
}

Example 2 with DefaultPlcReadResponse

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

the class PlcEntityInterceptorTest method getTyped_notOkResponse_throws.

@Test
public void getTyped_notOkResponse_throws() {
    DefaultPlcReadResponse response = new DefaultPlcReadResponse(null, Collections.singletonMap("field", new ResponseItem<>(PlcResponseCode.NOT_FOUND, null)));
    assertThatThrownBy(() -> PlcEntityInterceptor.getTyped(Long.class, response, "field")).isInstanceOf(PlcRuntimeException.class).hasMessage("Unable to read specified field 'field', response code was 'NOT_FOUND'");
}

Example 3 with DefaultPlcReadResponse

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

the class PlcEntityManagerComplexTest method getPlcEntityManager.

private PlcEntityManager getPlcEntityManager(final Map<String, PlcValue> responses) throws PlcConnectionException {
    driverManager = Mockito.mock(PlcDriverManager.class);
    PlcDriverManager mock = driverManager;
    PlcConnection connection = Mockito.mock(PlcConnection.class);
    when(mock.getConnection(ArgumentMatchers.anyString())).thenReturn(connection);
    when(connection.getMetadata()).thenReturn(new PlcConnectionMetadata() {

        @Override
        public boolean canRead() {
            return true;
        }

        @Override
        public boolean canWrite() {
            return true;
        }

        @Override
        public boolean canSubscribe() {
            return true;
        }
    });
    PlcReader reader = readRequest -> {
        Map<String, ResponseItem<PlcValue>> map = readRequest.getFieldNames().stream().collect(Collectors.toMap(Function.identity(), s -> new ResponseItem<>(PlcResponseCode.OK, Objects.requireNonNull(responses.get(s), s + " not found"))));
        return CompletableFuture.completedFuture(new DefaultPlcReadResponse(readRequest, map));
    };
    when(connection.readRequestBuilder()).then(invocation -> new DefaultPlcReadRequest.Builder(reader, getFieldHandler()));
    PlcWriter writer = writeRequest -> {
        Map<String, PlcResponseCode> map = writeRequest.getFieldNames().stream().collect(Collectors.toMap(Function.identity(), s -> PlcResponseCode.OK));
        return CompletableFuture.completedFuture(new DefaultPlcWriteResponse(writeRequest, map));
    };
    when(connection.writeRequestBuilder()).then(invocation -> new DefaultPlcWriteRequest.Builder(writer, getFieldHandler(), getValueHandler()));
    return new PlcEntityManager(mock);
}

Example 4 with DefaultPlcReadResponse

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

the class Plc4XDf1Protocol method decode.

@Override
protected void decode(ChannelHandlerContext ctx, DF1Symbol msg, List<Object> out) throws Exception {
    logger.debug("Received DF1 Command incoming {}", msg);
    if (msg instanceof DF1SymbolMessageFrameNAK) {
        logger.warn("Received a response NAK, notify all requests");
        for (Map.Entry<Integer, PlcRequestContainer> entry : requests.entrySet()) {
            entry.getValue().getResponseFuture().complete(new DefaultPlcReadResponse((PlcReadRequest) entry.getValue().getRequest(), Collections.singletonMap("erster", new ResponseItem<>(PlcResponseCode.INTERNAL_ERROR, new PlcDINT(-1)))));
        }
        return;
    } else if (msg instanceof DF1SymbolMessageFrameACK) {
        logger.warn("Received a response ACK :D");
        return;
    }
    assert msg instanceof DF1SymbolMessageFrame;
    DF1Command command = ((DF1SymbolMessageFrame) msg).getCommand();
    int transactionId = command.getTransactionCounter();
    if (!requests.containsKey(transactionId)) {
        logger.warn("Received a response to unknown transaction id {}", transactionId);
        ctx.fireExceptionCaught(new RuntimeException("Received a response to unknown transaction id"));
        ctx.close();
        return;
    }
    // As every response has a matching request, get this request based on the tpdu.
    PlcRequestContainer requestContainer = requests.remove(transactionId);
    PlcRequest request = requestContainer.getRequest();
    // Handle the response.
    PlcResponse response = null;
    if (request instanceof PlcReadRequest) {
        /*
            Things to do
            - check response code (if there is something like that?
            - cast the bytes to right datatype
            - create Response
             */
        // We can do this as we have only one fieldName in DF1
        final String fieldName = ((PlcReadRequest) request).getFieldNames().iterator().next();
        // TODO can there be another code than ok?
        final PlcResponseCode responseCode = PlcResponseCode.OK;
        // TODO maybe check for different status bytes
        final Df1Field field = (Df1Field) ((PlcReadRequest) request).getField(fieldName);
        // Cast byte and create response item
        PlcValue responseItem = null;
        byte[] data = ((DF1UnprotectedReadResponse) command).getData();
        switch(field.getDataType()) {
            case BIT:
                break;
            case INTEGER:
                // TODO: type conversion is untested
                responseItem = new PlcDINT((int) data[0] + ((int) data[1] << 8));
                break;
            case FLOAT:
                break;
            case BIT_STRING:
                break;
            case ARRAY:
                break;
            // TODO add all other cases here...
            default:
                throw new NotImplementedException("The DataType " + field.getDataType() + " is currently not implemented!");
        }
        response = new DefaultPlcReadResponse(((PlcReadRequest) request), Collections.singletonMap(fieldName, new ResponseItem<>(responseCode, responseItem)));
    } else if (request instanceof PlcWriteRequest) {
        logger.warn("Writing is currently not implemented but received a write response?!");
        ctx.close();
        throw new NotImplementedException("This is currently not implemented!");
    }
    // Confirm the response being handled.
    if (response != null) {
        requestContainer.getResponseFuture().complete(response);
    }
}

Example 5 with DefaultPlcReadResponse

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

the class Plc4xAbEthProtocol method decodeReadResponse.

private PlcResponse decodeReadResponse(CIPEncapsulationReadResponse plcReadResponse, PlcRequestContainer requestContainer) {
    PlcReadRequest plcReadRequest = (PlcReadRequest) requestContainer.getRequest();
    Map<String, ResponseItem<PlcValue>> values = new HashMap<>();
    for (String fieldName : plcReadRequest.getFieldNames()) {
        AbEthField field = (AbEthField) plcReadRequest.getField(fieldName);
        PlcResponseCode responseCode = decodeResponseCode(plcReadResponse.getResponse().getStatus());
        PlcValue plcValue = null;
        if (responseCode == PlcResponseCode.OK) {
            try {
                switch(field.getFileType()) {
                    case // output as single bytes
                    INTEGER:
                        if (plcReadResponse.getResponse() instanceof DF1CommandResponseMessageProtectedTypedLogicalRead) {
                            DF1CommandResponseMessageProtectedTypedLogicalRead df1PTLR = (DF1CommandResponseMessageProtectedTypedLogicalRead) plcReadResponse.getResponse();
                            List<Short> data = df1PTLR.getData();
                            if (data.size() == 1) {
                                plcValue = new PlcINT(data.get(0));
                            } else {
                                plcValue = IEC61131ValueHandler.of(data);
                            }
                        }
                        break;
                    case WORD:
                        if (plcReadResponse.getResponse() instanceof DF1CommandResponseMessageProtectedTypedLogicalRead) {
                            DF1CommandResponseMessageProtectedTypedLogicalRead df1PTLR = (DF1CommandResponseMessageProtectedTypedLogicalRead) plcReadResponse.getResponse();
                            List<Short> data = df1PTLR.getData();
                            if (((data.get(1) >> 7) & 1) == 0) {
                                // positive number
                                plcValue = IEC61131ValueHandler.of((data.get(1) << 8) + data.get(0));
                            } else {
                                // negative number
                                plcValue = IEC61131ValueHandler.of((((~data.get(1) & 0b01111111) << 8) + (~(data.get(0) - 1) & 0b11111111)) * -1);
                            }
                        }
                        break;
                    case DWORD:
                        if (plcReadResponse.getResponse() instanceof DF1CommandResponseMessageProtectedTypedLogicalRead) {
                            DF1CommandResponseMessageProtectedTypedLogicalRead df1PTLR = (DF1CommandResponseMessageProtectedTypedLogicalRead) plcReadResponse.getResponse();
                            List<Short> data = df1PTLR.getData();
                            if (((data.get(3) >> 7) & 1) == 0) {
                                // positive number
                                plcValue = IEC61131ValueHandler.of((data.get(3) << 24) + (data.get(2) << 16) + (data.get(1) << 8) + data.get(0));
                            } else {
                                // negative number
                                plcValue = IEC61131ValueHandler.of((((~data.get(3) & 0b01111111) << 24) + ((~(data.get(2) - 1) & 0b11111111) << 16) + ((~(data.get(1) - 1) & 0b11111111) << 8) + (~(data.get(0) - 1) & 0b11111111)) * -1);
                            }
                        }
                        break;
                    case SINGLEBIT:
                        if (plcReadResponse.getResponse() instanceof DF1CommandResponseMessageProtectedTypedLogicalRead) {
                            DF1CommandResponseMessageProtectedTypedLogicalRead df1PTLR = (DF1CommandResponseMessageProtectedTypedLogicalRead) plcReadResponse.getResponse();
                            List<Short> data = df1PTLR.getData();
                            if (field.getBitNumber() < 8) {
                                // read from first byte
                                plcValue = IEC61131ValueHandler.of((data.get(0) & (1 << field.getBitNumber())) != 0);
                            } else {
                                // read from second byte
                                plcValue = IEC61131ValueHandler.of((data.get(1) & (1 << (field.getBitNumber() - 8))) != 0);
                            }
                        }
                        break;
                    default:
                        logger.warn("Problem during decoding of field {}: Decoding of file type not implemented; " + "FieldInformation: {}", fieldName, field);
                }
            } catch (Exception e) {
                logger.warn("Some other error occurred casting field {}, FieldInformation: {}", fieldName, field, e);
            }
        }
        ResponseItem<PlcValue> result = new ResponseItem<>(responseCode, plcValue);
        values.put(fieldName, result);
    }
    return new DefaultPlcReadResponse(plcReadRequest, values);
}