Examples with PlcException org.apache.plc4x.java.api.exceptions.PlcException used on opensource projects

Example 6 with PlcException

use of org.apache.plc4x.java.api.exceptions.PlcException in project plc4x by apache.

the class AdsProtocolLogic method subscribe.

@Override
public CompletableFuture<PlcSubscriptionResponse> subscribe(PlcSubscriptionRequest subscriptionRequest) {
    // Get all ADS addresses in their resolved state.
    final CompletableFuture<List<DirectAdsField>> directAdsFieldsFuture = getDirectAddresses(subscriptionRequest.getFields().stream().map(field -> ((DefaultPlcSubscriptionField) field).getPlcField()).collect(Collectors.toList()));
    // If all addresses were already resolved we can send the request immediately.
    if (directAdsFieldsFuture.isDone()) {
        final List<DirectAdsField> fields = directAdsFieldsFuture.getNow(null);
        if (fields != null) {
            return executeSubscribe(subscriptionRequest);
        } else {
            final CompletableFuture<PlcSubscriptionResponse> errorFuture = new CompletableFuture<>();
            errorFuture.completeExceptionally(new PlcException("Fields are null"));
            return errorFuture;
        }
    } else // If there are still symbolic addresses that have to be resolved, send the
    // request as soon as the resolution is done.
    // In order to instantly be able to return a future, for the final result we have to
    // create a new one which is then completed later on. Unfortunately as soon as the
    // directAdsFieldsFuture is completed we still don't have the end result, but we can
    // now actually send the delayed read request ... as soon as that future completes
    // we can complete the initial one.
    {
        CompletableFuture<PlcSubscriptionResponse> delayedSubscribe = new CompletableFuture<>();
        directAdsFieldsFuture.handle((directAdsFields, throwable) -> {
            if (directAdsFields != null) {
                final CompletableFuture<PlcSubscriptionResponse> delayedResponse = executeSubscribe(subscriptionRequest);
                delayedResponse.handle((plcSubscribeResponse, throwable1) -> {
                    if (plcSubscribeResponse != null) {
                        delayedSubscribe.complete(plcSubscribeResponse);
                    } else {
                        delayedSubscribe.completeExceptionally(throwable1);
                    }
                    return this;
                });
            } else {
                delayedSubscribe.completeExceptionally(throwable);
            }
            return this;
        });
        return delayedSubscribe;
    }
}

Example 7 with PlcException

use of org.apache.plc4x.java.api.exceptions.PlcException in project plc4x by apache.

the class AdsProtocolLogic method singleWrite.

protected CompletableFuture<PlcWriteResponse> singleWrite(PlcWriteRequest writeRequest, DirectAdsField directAdsField) {
    CompletableFuture<PlcWriteResponse> future = new CompletableFuture<>();
    final String fieldName = writeRequest.getFieldNames().iterator().next();
    final AdsField plcField = (AdsField) writeRequest.getField(fieldName);
    final PlcValue plcValue = writeRequest.getPlcValue(fieldName);
    final int stringLength;
    if (directAdsField.getAdsDataType() == AdsDataType.STRING) {
        stringLength = plcValue.getString().length() + 1;
    } else {
        if (directAdsField.getAdsDataType() == AdsDataType.WSTRING) {
            stringLength = (plcValue.getString().length() + 1) * 2;
        } else {
            stringLength = 0;
        }
    }
    try {
        WriteBufferByteBased writeBuffer = new WriteBufferByteBased(DataItem.getLengthInBytes(plcValue, plcField.getAdsDataType().getDataFormatName(), stringLength));
        DataItem.staticSerialize(writeBuffer, plcValue, plcField.getAdsDataType().getDataFormatName(), stringLength, ByteOrder.LITTLE_ENDIAN);
        AdsData adsData = new AdsWriteRequest(directAdsField.getIndexGroup(), directAdsField.getIndexOffset(), writeBuffer.getData());
        AmsPacket amsPacket = new AmsPacket(configuration.getTargetAmsNetId(), configuration.getTargetAmsPort(), configuration.getSourceAmsNetId(), configuration.getSourceAmsPort(), CommandId.ADS_WRITE, DEFAULT_COMMAND_STATE, 0, getInvokeId(), adsData);
        AmsTCPPacket amsTCPPacket = new AmsTCPPacket(amsPacket);
        // Start a new request-transaction (Is ended in the response-handler)
        RequestTransactionManager.RequestTransaction transaction = tm.startRequest();
        transaction.submit(() -> context.sendRequest(amsTCPPacket).expectResponse(AmsTCPPacket.class, Duration.ofMillis(configuration.getTimeoutRequest())).onTimeout(future::completeExceptionally).onError((p, e) -> future.completeExceptionally(e)).check(responseAmsPacket -> responseAmsPacket.getUserdata().getInvokeId() == amsPacket.getInvokeId()).unwrap(response -> (AdsWriteResponse) response.getUserdata().getData()).handle(responseAdsData -> {
            if (responseAdsData.getResult() == ReturnCode.OK) {
                final PlcWriteResponse plcWriteResponse = convertToPlc4xWriteResponse(writeRequest, responseAdsData);
                // Convert the response from the PLC into a PLC4X Response ...
                future.complete(plcWriteResponse);
            } else {
                // TODO: Implement this correctly.
                future.completeExceptionally(new PlcException("Unexpected return code " + responseAdsData.getResult()));
            }
            // Finish the request-transaction.
            transaction.endRequest();
        }));
    } catch (Exception e) {
        future.completeExceptionally(new PlcException("Error"));
    }
    return future;
}

Example 8 with PlcException

use of org.apache.plc4x.java.api.exceptions.PlcException in project plc4x by apache.

the class AdsProtocolLogic method read.

@Override
public CompletableFuture<PlcReadResponse> read(PlcReadRequest readRequest) {
    // Get all ADS addresses in their resolved state.
    final CompletableFuture<List<DirectAdsField>> directAdsFieldsFuture = getDirectAddresses(readRequest.getFields());
    // If all addresses were already resolved we can send the request immediately.
    if (directAdsFieldsFuture.isDone()) {
        final List<DirectAdsField> fields = directAdsFieldsFuture.getNow(null);
        if (fields != null) {
            return executeRead(readRequest, fields);
        } else {
            final CompletableFuture<PlcReadResponse> errorFuture = new CompletableFuture<>();
            errorFuture.completeExceptionally(new PlcException("Fields are null"));
            return errorFuture;
        }
    } else {
        // If there are still symbolic addresses that have to be resolved, send the
        // request as soon as the resolution is done.
        // In order to instantly be able to return a future, for the final result we have to
        // create a new one which is then completed later on. Unfortunately as soon as the
        // directAdsFieldsFuture is completed we still don't have the end result, but we can
        // now actually send the delayed read request ... as soon as that future completes
        // we can complete the initial one.
        CompletableFuture<PlcReadResponse> delayedRead = new CompletableFuture<>();
        directAdsFieldsFuture.handle((directAdsFields, throwable) -> {
            if (directAdsFields != null) {
                final CompletableFuture<PlcReadResponse> delayedResponse = executeRead(readRequest, directAdsFields);
                delayedResponse.handle((plcReadResponse, throwable1) -> {
                    if (plcReadResponse != null) {
                        delayedRead.complete(plcReadResponse);
                    } else {
                        delayedRead.completeExceptionally(throwable1);
                    }
                    return this;
                });
            } else {
                delayedRead.completeExceptionally(throwable);
            }
            return this;
        });
        return delayedRead;
    }
}

Example 9 with PlcException

use of org.apache.plc4x.java.api.exceptions.PlcException in project plc4x by apache.

the class AdsProtocolLogic method write.

@Override
public CompletableFuture<PlcWriteResponse> write(PlcWriteRequest writeRequest) {
    // Get all ADS addresses in their resolved state.
    final CompletableFuture<List<DirectAdsField>> directAdsFieldsFuture = getDirectAddresses(writeRequest.getFields());
    // If all addresses were already resolved we can send the request immediately.
    if (directAdsFieldsFuture.isDone()) {
        final List<DirectAdsField> fields = directAdsFieldsFuture.getNow(null);
        if (fields != null) {
            return executeWrite(writeRequest, fields);
        } else {
            final CompletableFuture<PlcWriteResponse> errorFuture = new CompletableFuture<>();
            errorFuture.completeExceptionally(new PlcException("Fields are null"));
            return errorFuture;
        }
    } else // If there are still symbolic addresses that have to be resolved, send the
    // request as soon as the resolution is done.
    // In order to instantly be able to return a future, for the final result we have to
    // create a new one which is then completed later on. Unfortunately as soon as the
    // directAdsFieldsFuture is completed we still don't have the end result, but we can
    // now actually send the delayed read request ... as soon as that future completes
    // we can complete the initial one.
    {
        CompletableFuture<PlcWriteResponse> delayedWrite = new CompletableFuture<>();
        directAdsFieldsFuture.handle((directAdsFields, throwable) -> {
            if (directAdsFields != null) {
                final CompletableFuture<PlcWriteResponse> delayedResponse = executeWrite(writeRequest, directAdsFields);
                delayedResponse.handle((plcReadResponse, throwable1) -> {
                    if (plcReadResponse != null) {
                        delayedWrite.complete(plcReadResponse);
                    } else {
                        delayedWrite.completeExceptionally(throwable1);
                    }
                    return this;
                });
            } else {
                delayedWrite.completeExceptionally(throwable);
            }
            return this;
        });
        return delayedWrite;
    }
}

Example 10 with PlcException

use of org.apache.plc4x.java.api.exceptions.PlcException in project plc4x by apache.

the class CANOpenConversationBase method onError.

protected <T> void onError(CompletableFuture<T> receiver, CANOpenSDOResponse response, Throwable error) {
    if (error != null) {
        receiver.completeExceptionally(error);
        return;
    }
    if (response.getResponse() instanceof SDOAbortResponse) {
        SDOAbortResponse abort = (SDOAbortResponse) response.getResponse();
        SDOAbort sdoAbort = abort.getAbort();
        receiver.completeExceptionally(new PlcException("Could not read value. Remote party reported code " + sdoAbort.getCode()));
    }
}