Example usage for io.netty.buffer ByteBuf readUnsignedInt

List of usage examples for io.netty.buffer ByteBuf readUnsignedInt

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBuf
  6. readUnsignedInt

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readUnsignedInt.

Prototype

public abstract long readUnsignedInt();

Source Link

Document

Gets an unsigned 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.cdg.study.netty.time.TimeClientHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    ByteBuf m = (ByteBuf) msg; // (1)
    try {//from   w ww  .j  a  va 2s  .co  m
        long currentTimeMillis = (m.readUnsignedInt() - 2208988800L) * 1000L;
        System.out.println(new Date(currentTimeMillis));
        ctx.close();
    } finally {
        m.release();
    }
}

From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientAsymmetricHandler.java

License:Apache License

private void onOpenSecureChannel(ChannelHandlerContext ctx, ByteBuf buffer) throws UaException {
    buffer.skipBytes(3 + 1 + 4); // skip messageType, chunkType, messageSize

    long secureChannelId = buffer.readUnsignedInt();

    secureChannel.setChannelId(secureChannelId);

    AsymmetricSecurityHeader securityHeader = AsymmetricSecurityHeader.decode(buffer);
    if (!headerRef.compareAndSet(null, securityHeader)) {
        if (!securityHeader.equals(headerRef.get())) {
            throw new UaRuntimeException(StatusCodes.Bad_SecurityChecksFailed,
                    "subsequent AsymmetricSecurityHeader did not match");
        }//from   w  w  w.ja  v  a  2 s . c o  m
    }

    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 (chunkBuffers.size() > maxChunkCount) {
        throw new UaException(StatusCodes.Bad_TcpMessageTooLarge,
                String.format("max chunk count exceeded (%s)", maxChunkCount));
    }

    char chunkType = (char) buffer.getByte(3);

    if (chunkType == 'A' || chunkType == 'F') {
        final List<ByteBuf> buffersToDecode = chunkBuffers;
        chunkBuffers = new ArrayList<>(maxChunkCount);

        serializationQueue.decode((binaryDecoder, chunkDecoder) -> {
            ByteBuf decodedBuffer = null;

            try {
                decodedBuffer = chunkDecoder.decodeAsymmetric(secureChannel, buffersToDecode);

                UaResponseMessage responseMessage = binaryDecoder.setBuffer(decodedBuffer).decodeMessage(null);

                StatusCode serviceResult = responseMessage.getResponseHeader().getServiceResult();

                if (serviceResult.isGood()) {
                    OpenSecureChannelResponse response = (OpenSecureChannelResponse) responseMessage;

                    secureChannel.setChannelId(response.getSecurityToken().getChannelId().longValue());
                    logger.debug("Received OpenSecureChannelResponse.");

                    installSecurityToken(ctx, response);
                } else {
                    ServiceFault serviceFault = (responseMessage instanceof ServiceFault)
                            ? (ServiceFault) responseMessage
                            : new ServiceFault(responseMessage.getResponseHeader());

                    throw new UaServiceFaultException(serviceFault);
                }
            } catch (MessageAbortedException e) {
                logger.error("Received message abort chunk; error={}, reason={}", e.getStatusCode(),
                        e.getMessage());
                ctx.close();
            } catch (Throwable t) {
                logger.error("Error decoding OpenSecureChannelResponse: {}", t.getMessage(), t);
                ctx.close();
            } finally {
                if (decodedBuffer != null) {
                    decodedBuffer.release();
                }
                buffersToDecode.clear();
            }
        });
    }
}

From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientMessageHandler.java

License:Apache License

private void onSecureMessage(ChannelHandlerContext ctx, ByteBuf buffer) throws UaException {
    buffer.skipBytes(3 + 1 + 4); // skip messageType, chunkType, messageSize

    long secureChannelId = buffer.readUnsignedInt();
    if (secureChannelId != secureChannel.getChannelId()) {
        throw new UaException(StatusCodes.Bad_SecureChannelIdInvalid,
                "invalid secure channel id: " + secureChannelId);
    }//from   w w  w.  j a va2s.  c  o  m

    if (accumulateChunk(buffer)) {
        final List<ByteBuf> buffersToDecode = ImmutableList.copyOf(chunkBuffers);
        chunkBuffers = new LinkedList<>();

        serializationQueue.decode((binaryDecoder, chunkDecoder) -> {
            ByteBuf decodedBuffer = null;

            try {
                decodedBuffer = chunkDecoder.decodeSymmetric(secureChannel, buffersToDecode);

                binaryDecoder.setBuffer(decodedBuffer);
                UaResponseMessage response = binaryDecoder.decodeMessage(null);

                UaRequestFuture request = pending.remove(chunkDecoder.getLastRequestId());

                if (request != null) {
                    client.getExecutorService().execute(() -> request.getFuture().complete(response));
                } else {
                    logger.warn("No UaRequestFuture for requestId={}", chunkDecoder.getLastRequestId());
                }
            } catch (MessageAbortedException e) {
                logger.debug("Received message abort chunk; error={}, reason={}", e.getStatusCode(),
                        e.getMessage());

                UaRequestFuture request = pending.remove(chunkDecoder.getLastRequestId());

                if (request != null) {
                    client.getExecutorService().execute(() -> request.getFuture().completeExceptionally(e));
                } else {
                    logger.warn("No UaRequestFuture for requestId={}", chunkDecoder.getLastRequestId());
                }
            } catch (Throwable t) {
                logger.error("Error decoding symmetric message: {}", t.getMessage(), t);
                serializationQueue.pause();
                ctx.close();
            } finally {
                if (decodedBuffer != null) {
                    decodedBuffer.release();
                }
            }
        });
    }
}

From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientSymmetricHandler.java

License:Apache License

private void onSecureMessage(ChannelHandlerContext ctx, ByteBuf buffer) throws UaException {
    buffer.skipBytes(3 + 1 + 4); // skip messageType, chunkType, messageSize

    long secureChannelId = buffer.readUnsignedInt();
    if (secureChannelId != secureChannel.getChannelId()) {
        throw new UaException(StatusCodes.Bad_SecureChannelIdInvalid,
                "invalid secure channel id: " + secureChannelId);
    }/* w w  w  .  ja va2 s  .c  o  m*/

    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 (chunkBuffers.size() > maxChunkCount) {
        throw new UaException(StatusCodes.Bad_TcpMessageTooLarge,
                String.format("max chunk count exceeded (%s)", maxChunkCount));
    }

    char chunkType = (char) buffer.getByte(3);

    if (chunkType == 'A' || chunkType == 'F') {
        final List<ByteBuf> buffersToDecode = chunkBuffers;
        chunkBuffers = new ArrayList<>(maxChunkCount);

        serializationQueue.decode((binaryDecoder, chunkDecoder) -> {
            ByteBuf decodedBuffer = null;

            try {
                validateChunkHeaders(buffersToDecode);

                decodedBuffer = chunkDecoder.decodeSymmetric(secureChannel, buffersToDecode);

                binaryDecoder.setBuffer(decodedBuffer);
                UaResponseMessage response = binaryDecoder.decodeMessage(null);

                UaRequestFuture request = pending.remove(chunkDecoder.getLastRequestId());

                if (request != null) {
                    client.getExecutorService().execute(() -> request.getFuture().complete(response));
                } else {
                    logger.warn("No UaRequestFuture for requestId={}", chunkDecoder.getLastRequestId());
                }
            } catch (MessageAbortedException e) {
                logger.debug("Received message abort chunk; error={}, reason={}", e.getStatusCode(),
                        e.getMessage());

                UaRequestFuture request = pending.remove(chunkDecoder.getLastRequestId());

                if (request != null) {
                    client.getExecutorService().execute(() -> request.getFuture().completeExceptionally(e));
                } else {
                    logger.warn("No UaRequestFuture for requestId={}", chunkDecoder.getLastRequestId());
                }
            } catch (Throwable t) {
                logger.error("Error decoding symmetric message: {}", t.getMessage(), t);
                ctx.close();
                serializationQueue.pause();
            } finally {
                if (decodedBuffer != null) {
                    decodedBuffer.release();
                }
                buffersToDecode.clear();
            }
        });
    }
}

From source file:com.digitalpetri.opcua.stack.core.channel.headers.SecureMessageHeader.java

License:Apache License

public static SecureMessageHeader decode(ByteBuf buffer) throws UaException {
    return new SecureMessageHeader(MessageType.fromMediumInt(buffer.readMedium()), (char) buffer.readByte(),
            buffer.readUnsignedInt(), buffer.readUnsignedInt());
}

From source file:com.digitalpetri.opcua.stack.core.channel.headers.SequenceHeader.java

License:Apache License

public static SequenceHeader decode(ByteBuf buffer) {
    return new SequenceHeader(buffer.readUnsignedInt(), /*    SequenceNumber  */
            buffer.readUnsignedInt() /*    RequestId       */
    );//from  ww  w  .ja va 2 s .  c o  m
}

From source file:com.digitalpetri.opcua.stack.core.channel.headers.SymmetricSecurityHeader.java

License:Apache License

public static SymmetricSecurityHeader decode(ByteBuf buffer) {
    return new SymmetricSecurityHeader(buffer.readUnsignedInt());
}

From source file:com.digitalpetri.opcua.stack.core.channel.messages.AcknowledgeMessage.java

License:Apache License

public static AcknowledgeMessage decode(ByteBuf buffer) {
    return new AcknowledgeMessage(buffer.readUnsignedInt(), /*    ProtocolVersion     */
            buffer.readUnsignedInt(), /*    ReceiveBufferSize   */
            buffer.readUnsignedInt(), /*    SendBufferSize      */
            buffer.readUnsignedInt(), /*    MaxMessageSize      */
            buffer.readUnsignedInt() /*    MaxChunkCount       */
    );/*ww  w.  j a  v a 2 s  .c  o m*/
}

From source file:com.digitalpetri.opcua.stack.core.channel.messages.ErrorMessage.java

License:Apache License

public static ErrorMessage decode(ByteBuf buffer) {
    return new ErrorMessage(buffer.readUnsignedInt(), decodeString(buffer));
}

From source file:com.digitalpetri.opcua.stack.core.channel.messages.HelloMessage.java

License:Apache License

public static HelloMessage decode(ByteBuf buffer) {
    return new HelloMessage(buffer.readUnsignedInt(), /*    ProtocolVersion    */
            buffer.readUnsignedInt(), /*    ReceiveBufferSize  */
            buffer.readUnsignedInt(), /*    SendBufferSize     */
            buffer.readUnsignedInt(), /*    MaxMessageSize     */
            buffer.readUnsignedInt(), /*    MaxChunkCount      */
            decodeString(buffer) /*    EndpointUrl        */
    );/*from w ww .j ava2 s.c  om*/
}