Examples with PayloadTruncatedException tech.pegasys.teku.networking.eth2.rpc.core.RpcException.PayloadTruncatedException used on opensource projects

Example 1 with PayloadTruncatedException

use of tech.pegasys.teku.networking.eth2.rpc.core.RpcException.PayloadTruncatedException in project teku by ConsenSys.

the class RpcRequestDecoder method complete.

public Optional<T> complete() throws RpcException {
    Optional<T> maybeRequest = Optional.empty();
    if (!complete) {
        // complete() might be the only event on empty request
        // so we might need to produce a message with decodeRequest(EMPTY_BUFFER)
        maybeRequest = decodeRequest(Unpooled.EMPTY_BUFFER);
    }
    decoder.complete();
    if (!complete)
        throw new PayloadTruncatedException();
    return maybeRequest;
}

Example 2 with PayloadTruncatedException

use of tech.pegasys.teku.networking.eth2.rpc.core.RpcException.PayloadTruncatedException in project teku by ConsenSys.

the class LengthPrefixedPayloadDecoder method decodeOneMessage.

@Override
public Optional<T> decodeOneMessage(final ByteBuf in) throws RpcException {
    if (disposed) {
        throw new IllegalStateException("Trying to reuse disposed LengthPrefixedPayloadDecoder");
    }
    if (!in.isReadable()) {
        return Optional.empty();
    }
    if (decoded) {
        throw new RpcException.ExtraDataAppendedException();
    }
    if (decompressor.isEmpty()) {
        final Optional<Integer> maybeLength = readLengthPrefixHeader(in);
        if (maybeLength.isPresent()) {
            final int length = maybeLength.get();
            if (!payloadEncoder.isLengthWithinBounds(length)) {
                throw new LengthOutOfBoundsException();
            }
            decompressor = Optional.of(compressor.createDecompressor(length));
        }
    }
    if (decompressor.isPresent()) {
        final Optional<ByteBuf> ret;
        try {
            ret = decompressor.get().decodeOneMessage(in);
        } catch (PayloadSmallerThanExpectedException e) {
            throw new PayloadTruncatedException();
        } catch (PayloadLargerThanExpectedException e) {
            throw new ExtraDataAppendedException();
        } catch (CompressionException e) {
            throw new DecompressFailedException();
        }
        if (ret.isPresent()) {
            decompressor = Optional.empty();
            try {
                // making a copy here since the Bytes.wrapByteBuf(buf).slice(...)
                // would be broken after [in] buffer is released
                byte[] arr = new byte[ret.get().readableBytes()];
                ret.get().readBytes(arr);
                Bytes bytes = Bytes.wrap(arr);
                decoded = true;
                return Optional.of(payloadEncoder.decode(bytes));
            } finally {
                ret.get().release();
            }
        } else {
            return Optional.empty();
        }
    } else {
        return Optional.empty();
    }
}

Example 3 with PayloadTruncatedException

use of tech.pegasys.teku.networking.eth2.rpc.core.RpcException.PayloadTruncatedException in project teku by ConsenSys.

the class RpcResponseDecoder method complete.

public void complete() throws RpcException {
    final List<RpcException> exceptions = new ArrayList<>();
    if (respCodeMaybe.isPresent() && payloadDecoder.isEmpty() && errorDecoder.isEmpty()) {
        exceptions.add(new MessageTruncatedException());
    } else if (respCodeMaybe.isPresent()) {
        exceptions.add(new PayloadTruncatedException());
    }
    completeDecoder(payloadDecoder).ifPresent(exceptions::add);
    payloadDecoder = Optional.empty();
    completeDecoder(contextDecoder).ifPresent(exceptions::add);
    contextDecoder = Optional.empty();
    completeDecoder(errorDecoder).ifPresent(exceptions::add);
    errorDecoder = Optional.empty();
    if (exceptions.size() > 0) {
        throw exceptions.stream().reduce((a, b) -> {
            a.addSuppressed(b);
            return a;
        }).get();
    }
}