Examples with UaSerializationException org.eclipse.milo.opcua.stack.core.UaSerializationException used on opensource projects

Example 6 with UaSerializationException

use of org.eclipse.milo.opcua.stack.core.UaSerializationException in project milo by eclipse.

the class UascServerSymmetricHandler method sendServiceResponse.

private void sendServiceResponse(ChannelHandlerContext ctx, long requestId, UaRequestMessage request, UaResponseMessage response) {
    serializationQueue.encode((binaryEncoder, chunkEncoder) -> {
        ByteBuf messageBuffer = BufferUtil.pooledBuffer();
        try {
            binaryEncoder.setBuffer(messageBuffer);
            binaryEncoder.writeMessage(null, response);
            checkMessageSize(messageBuffer);
            EncodedMessage encodedMessage = chunkEncoder.encodeSymmetric(secureChannel, requestId, messageBuffer, MessageType.SecureMessage);
            CompositeByteBuf chunkComposite = BufferUtil.compositeBuffer();
            for (ByteBuf chunk : encodedMessage.getMessageChunks()) {
                chunkComposite.addComponent(chunk);
                chunkComposite.writerIndex(chunkComposite.writerIndex() + chunk.readableBytes());
            }
            ctx.writeAndFlush(chunkComposite, ctx.voidPromise());
        } catch (MessageEncodeException e) {
            logger.error("Error encoding {}: {}", response, e.getMessage(), e);
            UInteger requestHandle = request.getRequestHeader().getRequestHandle();
            sendServiceFault(ctx, requestId, requestHandle, e);
        } catch (UaSerializationException e) {
            logger.error("Error serializing response: {}", e.getStatusCode(), e);
            UInteger requestHandle = request.getRequestHeader().getRequestHandle();
            sendServiceFault(ctx, requestId, requestHandle, e);
        } finally {
            messageBuffer.release();
        }
    });
}

Example 7 with UaSerializationException

use of org.eclipse.milo.opcua.stack.core.UaSerializationException in project milo by eclipse.

the class UascServerSymmetricHandler method checkMessageSize.

private void checkMessageSize(ByteBuf messageBuffer) throws UaSerializationException {
    int messageSize = messageBuffer.readableBytes();
    int remoteMaxMessageSize = serializationQueue.getParameters().getRemoteMaxMessageSize();
    if (remoteMaxMessageSize > 0 && messageSize > remoteMaxMessageSize) {
        throw new UaSerializationException(StatusCodes.Bad_ResponseTooLarge, "response exceeds remote max message size: " + messageSize + " > " + remoteMaxMessageSize);
    }
}

Example 8 with UaSerializationException

use of org.eclipse.milo.opcua.stack.core.UaSerializationException in project milo by eclipse.

the class UascServerSymmetricHandler method sendServiceFault.

private void sendServiceFault(ChannelHandlerContext ctx, long requestId, UInteger requestHandle, Throwable fault) {
    StatusCode statusCode = UaException.extract(fault).map(UaException::getStatusCode).orElse(StatusCode.BAD);
    ServiceFault serviceFault = new ServiceFault(new ResponseHeader(DateTime.now(), requestHandle, statusCode, null, null, null));
    serializationQueue.encode((binaryEncoder, chunkEncoder) -> {
        ByteBuf messageBuffer = BufferUtil.pooledBuffer();
        try {
            binaryEncoder.setBuffer(messageBuffer);
            binaryEncoder.writeMessage(null, serviceFault);
            checkMessageSize(messageBuffer);
            EncodedMessage encodedMessage = chunkEncoder.encodeSymmetric(secureChannel, requestId, messageBuffer, MessageType.SecureMessage);
            CompositeByteBuf chunkComposite = BufferUtil.compositeBuffer();
            for (ByteBuf chunk : encodedMessage.getMessageChunks()) {
                chunkComposite.addComponent(chunk);
                chunkComposite.writerIndex(chunkComposite.writerIndex() + chunk.readableBytes());
            }
            ctx.writeAndFlush(chunkComposite, ctx.voidPromise());
        } catch (MessageEncodeException e) {
            logger.error("Error encoding {}: {}", serviceFault, e.getMessage(), e);
        } catch (UaSerializationException e) {
            logger.error("Error serializing ServiceFault: {}", e.getStatusCode(), e);
        } finally {
            messageBuffer.release();
        }
    });
}

Example 9 with UaSerializationException

use of org.eclipse.milo.opcua.stack.core.UaSerializationException in project milo by eclipse.

the class UascServerSymmetricHandler method onSecureMessage.

private void onSecureMessage(ChannelHandlerContext ctx, ByteBuf buffer) throws UaException {
    // Skip messageType
    buffer.skipBytes(3);
    char chunkType = (char) buffer.readByte();
    if (chunkType == 'A') {
        chunkBuffers.forEach(ByteBuf::release);
        chunkBuffers.clear();
    } else {
        // Skip messageSize
        buffer.skipBytes(4);
        long secureChannelId = buffer.readUnsignedIntLE();
        if (secureChannelId != secureChannel.getChannelId()) {
            throw new UaException(StatusCodes.Bad_SecureChannelIdInvalid, "invalid secure channel id: " + secureChannelId);
        }
        int chunkSize = buffer.readerIndex(0).readableBytes();
        if (chunkSize > maxChunkSize) {
            throw new UaException(StatusCodes.Bad_TcpMessageTooLarge, String.format("max chunk size exceeded (%s)", maxChunkSize));
        }
        chunkBuffers.add(buffer.retain());
        if (maxChunkCount > 0 && chunkBuffers.size() > maxChunkCount) {
            throw new UaException(StatusCodes.Bad_TcpMessageTooLarge, String.format("max chunk count exceeded (%s)", maxChunkCount));
        }
        if (chunkType == 'F') {
            final List<ByteBuf> buffersToDecode = chunkBuffers;
            chunkBuffers = new ArrayList<>();
            serializationQueue.decode((binaryDecoder, chunkDecoder) -> {
                ByteBuf message;
                long requestId;
                try {
                    ChunkDecoder.DecodedMessage decodedMessage = chunkDecoder.decodeSymmetric(secureChannel, buffersToDecode);
                    message = decodedMessage.getMessage();
                    requestId = decodedMessage.getRequestId();
                } catch (MessageAbortException e) {
                    logger.warn("Received message abort chunk; error={}, reason={}", e.getStatusCode(), e.getMessage());
                    return;
                } catch (MessageDecodeException e) {
                    logger.error("Error decoding symmetric message", e);
                    ctx.close();
                    return;
                }
                try {
                    UaRequestMessage request = (UaRequestMessage) binaryDecoder.setBuffer(message).readMessage(null);
                    String endpointUrl = ctx.channel().attr(UascServerHelloHandler.ENDPOINT_URL_KEY).get();
                    EndpointDescription endpoint = ctx.channel().attr(UascServerAsymmetricHandler.ENDPOINT_KEY).get();
                    String path = EndpointUtil.getPath(endpointUrl);
                    InetSocketAddress remoteSocketAddress = (InetSocketAddress) ctx.channel().remoteAddress();
                    ServiceRequest serviceRequest = new ServiceRequest(stackServer, request, endpoint, secureChannel.getChannelId(), remoteSocketAddress.getAddress(), secureChannel.getRemoteCertificateBytes());
                    serviceRequest.getFuture().whenComplete((response, fault) -> {
                        if (response != null) {
                            sendServiceResponse(ctx, requestId, request, response);
                        } else {
                            UInteger requestHandle = request.getRequestHeader().getRequestHandle();
                            sendServiceFault(ctx, requestId, requestHandle, fault);
                        }
                    });
                    stackServer.onServiceRequest(path, serviceRequest);
                } catch (UaSerializationException e) {
                    logger.error("Error decoding UaRequestMessage", e);
                    sendServiceFault(ctx, requestId, uint(0), e);
                } catch (Throwable t) {
                    logger.error("Unexpected error servicing UaRequestMessage", t);
                    long statusCode = UaException.extractStatusCode(t).map(StatusCode::getValue).orElse(StatusCodes.Bad_UnexpectedError);
                    sendServiceFault(ctx, requestId, uint(0), new UaException(statusCode, t));
                } finally {
                    message.release();
                    buffersToDecode.clear();
                }
            });
        }
    }
}

Example 10 with UaSerializationException

use of org.eclipse.milo.opcua.stack.core.UaSerializationException in project milo by eclipse.

the class OpcUaBinaryStreamDecoder method readVariant.

public Variant readVariant() throws UaSerializationException {
    if (depth.get() >= context.getEncodingLimits().getMaxRecursionDepth()) {
        throw new UaSerializationException(StatusCodes.Bad_EncodingLimitsExceeded, "max recursion depth exceeded: " + context.getEncodingLimits().getMaxRecursionDepth());
    }
    depth.incrementAndGet();
    try {
        int encodingMask = buffer.readByte();
        if (encodingMask == 0) {
            return new Variant(null);
        } else {
            int typeId = encodingMask & 0x3F;
            boolean dimensionsEncoded = (encodingMask & 0x40) == 0x40;
            boolean arrayEncoded = (encodingMask & 0x80) == 0x80;
            if (arrayEncoded) {
                Class<?> backingClass = TypeUtil.getBackingClass(typeId);
                int length = readInt32();
                if (length == -1) {
                    return new Variant(null);
                } else {
                    checkArrayLength(length);
                    Object flatArray = Array.newInstance(backingClass, length);
                    for (int i = 0; i < length; i++) {
                        Object element = decodeBuiltinType(typeId);
                        Array.set(flatArray, i, element);
                    }
                    int[] dimensions = dimensionsEncoded ? decodeDimensions() : new int[] { length };
                    Object array = dimensions.length > 1 ? ArrayUtil.unflatten(flatArray, dimensions) : flatArray;
                    return new Variant(array);
                }
            } else {
                Object value = decodeBuiltinType(typeId);
                return new Variant(value);
            }
        }
    } finally {
        depth.decrementAndGet();
    }
}