Example usage for io.netty.buffer ByteBufUtil hexDump

List of usage examples for io.netty.buffer ByteBufUtil hexDump

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBufUtil hexDump.

Prototype

public static String hexDump(byte[] array)

Source Link

Document

Returns a <a href="http://en.wikipedia.org/wiki/Hex_dump">hex dump</a> of the specified byte array.

Usage

From source file:org.eclipse.neoscada.protocol.iec60870.asdu.MessageManager.java

License:Open Source License

public ByteBuf receiveMessage(final InformationTransfer informationTransfer, final List<Object> out) {
    if (logger.isDebugEnabled()) {
        logger.debug("Received message: {} -> {}", informationTransfer,
                informationTransfer.getData() != null ? ByteBufUtil.hexDump(informationTransfer.getData())
                        : null);//w w w .ja va  2 s .c o m
    }

    final ByteBuf data = informationTransfer.getData();

    final byte typeId = data.readByte();
    final byte subTypeId = data.readByte();

    final InformationStructure informationStructure = (subTypeId & 0b10000000) > 0
            ? InformationStructure.SEQUENCE
            : InformationStructure.SINGLE;
    final byte length = (byte) (~0b10000000 & subTypeId);

    final CauseOfTransmission causeOfTransmission = CauseOfTransmission.parse(this.options, data);
    final ASDUAddress asduAddress = ASDUAddress.parse(this.options, data);

    final ASDUHeader header = new ASDUHeader(causeOfTransmission, asduAddress);

    final MessageCodec codec = this.codecs.get(MessageTypeId.valueOf(typeId, informationStructure));
    if (codec == null) {
        return mirrorUnknown(data, typeId, informationStructure, length, header, StandardCause.UNKNOWN_TYPE);
    }

    out.add(codec.parse(this.options, length, header, data));
    return null;
}

From source file:org.eclipse.neoscada.protocol.iec60870.asdu.MessageManager.java

License:Open Source License

protected void handleUnknownMessage(final byte typeId, final ASDUHeader header, final ByteBuf data) {
    // FIXME: do nothing at the moment
    logger.info("Received unknown message - typeId: {}, header: {}, data: {}", (int) typeId, header,
            ByteBufUtil.hexDump(data));
}

From source file:org.fengbaoxp.netty.inaction.ch2.EchoClientHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf in = (ByteBuf) msg;//from   w  w w.j ava2s.  co  m
    System.out.println("Client received:" + ByteBufUtil.hexDump(in.readBytes(in.readableBytes())));
}

From source file:org.opendaylight.controller.netconf.nettyutil.handler.NetconfEXIToMessageDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws EXIOptionsException, IOException, SAXException, TransformerConfigurationException {
    /*//www  .j a va  2  s .  c  o m
     * Note that we could loop here and process all the messages, but we can't do that.
     * The reason is <stop-exi> operation, which has the contract of immediately stopping
     * the use of EXI, which means the next message needs to be decoded not by us, but rather
     * by the XML decoder.
     */

    // If empty Byte buffer is passed to r.parse, EOFException is thrown
    if (!in.isReadable()) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    if (LOG.isTraceEnabled()) {
        LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
    }

    final TransformerHandler handler = FACTORY.newTransformerHandler();
    reader.setContentHandler(handler);

    final DOMResult domResult = new DOMResult();
    handler.setResult(domResult);

    try (final InputStream is = new ByteBufInputStream(in)) {
        // Performs internal reset before doing anything
        reader.parse(new InputSource(is));
    }

    out.add(new NetconfMessage((Document) domResult.getNode()));
}

From source file:org.opendaylight.controller.netconf.nettyutil.handler.NetconfXMLToHelloMessageDecoder.java

License:Open Source License

@Override
@VisibleForTesting/*from w  w  w  .  ja v a 2  s. co m*/
public void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws IOException, SAXException, NetconfDocumentedException {
    if (in.readableBytes() == 0) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    in.markReaderIndex();
    try {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        }

        byte[] bytes = new byte[in.readableBytes()];
        in.readBytes(bytes);

        logMessage(bytes);

        // Extract bytes containing header with additional metadata
        String additionalHeader = null;
        if (startsWithAdditionalHeader(bytes)) {
            // Auth information containing username, ip address... extracted for monitoring
            int endOfAuthHeader = getAdditionalHeaderEndIndex(bytes);
            if (endOfAuthHeader > -1) {
                byte[] additionalHeaderBytes = Arrays.copyOfRange(bytes, 0, endOfAuthHeader + 2);
                additionalHeader = additionalHeaderToString(additionalHeaderBytes);
                bytes = Arrays.copyOfRange(bytes, endOfAuthHeader + 2, bytes.length);
            }
        }

        Document doc = XmlUtil.readXmlToDocument(new ByteArrayInputStream(bytes));

        final NetconfMessage message = getNetconfMessage(additionalHeader, doc);
        if (message instanceof NetconfHelloMessage) {
            Preconditions.checkState(helloReceived == false,
                    "Multiple hello messages received, unexpected hello: %s", message);
            out.add(message);
            helloReceived = true;
            // Non hello message, suspend the message and insert into cache
        } else {
            Preconditions.checkState(helloReceived, "Hello message not received, instead received: %s",
                    message);
            LOG.debug("Netconf message received during negotiation, caching {}", message);
            nonHelloMessages.add(message);
        }
    } finally {
        in.discardReadBytes();
    }
}

From source file:org.opendaylight.controller.netconf.nettyutil.handler.NetconfXMLToMessageDecoder.java

License:Open Source License

@Override
public void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws IOException, SAXException {
    if (in.isReadable()) {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        }/*  w  w  w  .  ja  va  2 s .  c  o m*/

        out.add(new NetconfMessage(XmlUtil.readXmlToDocument(new ByteBufInputStream(in))));
    } else {
        LOG.debug("No more content in incoming buffer.");
    }
}

From source file:org.opendaylight.controller.netconf.util.handler.NetconfEXIToMessageDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws Exception {
    /*/*  ww  w . ja  v  a 2s  .  co m*/
     * Note that we could loop here and process all the messages, but we can't do that.
     * The reason is <stop-exi> operation, which has the contract of immediately stopping
     * the use of EXI, which means the next message needs to be decoded not by us, but rather
     * by the XML decoder.
     */
    // If empty Byte buffer is passed to r.parse, EOFException is thrown

    if (in.readableBytes() == 0) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));

    final EXIReader r = codec.getReader();

    final SAXTransformerFactory transformerFactory = (SAXTransformerFactory) TransformerFactory.newInstance();
    final TransformerHandler handler = transformerFactory.newTransformerHandler();
    r.setContentHandler(handler);

    final DOMResult domResult = new DOMResult();
    handler.setResult(domResult);

    try (final InputStream is = new ByteBufInputStream(in)) {
        r.parse(new InputSource(is));
    }

    out.add(new NetconfMessage((Document) domResult.getNode()));
}

From source file:org.opendaylight.controller.netconf.util.handler.NetconfXMLToHelloMessageDecoder.java

License:Open Source License

@Override
@VisibleForTesting/*from   w  w  w .  ja  v  a  2s. co  m*/
public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() == 0) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    in.markReaderIndex();
    try {
        LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        byte[] bytes = new byte[in.readableBytes()];
        in.readBytes(bytes);

        logMessage(bytes);

        // Extract bytes containing header with additional metadata
        String additionalHeader = null;
        if (startsWithAdditionalHeader(bytes)) {
            // Auth information containing username, ip address... extracted for monitoring
            int endOfAuthHeader = getAdditionalHeaderEndIndex(bytes);
            if (endOfAuthHeader > -1) {
                byte[] additionalHeaderBytes = Arrays.copyOfRange(bytes, 0, endOfAuthHeader + 2);
                additionalHeader = additionalHeaderToString(additionalHeaderBytes);
                bytes = Arrays.copyOfRange(bytes, endOfAuthHeader + 2, bytes.length);
            }
        }

        Document doc = XmlUtil.readXmlToDocument(new ByteArrayInputStream(bytes));

        final NetconfMessage message;
        if (additionalHeader != null) {
            message = new NetconfHelloMessage(doc,
                    NetconfHelloMessageAdditionalHeader.fromString(additionalHeader));
        } else {
            message = new NetconfHelloMessage(doc);
        }
        out.add(message);
    } finally {
        in.discardReadBytes();
    }
}

From source file:org.opendaylight.controller.netconf.util.handler.NetconfXMLToMessageDecoder.java

License:Open Source License

@Override
@VisibleForTesting//from  w  w  w .  ja  v a  2  s  .co  m
public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() != 0) {
        LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        out.add(new NetconfMessage(XmlUtil.readXmlToDocument(new ByteBufInputStream(in))));
    } else {
        LOG.debug("No more content in incoming buffer.");
    }
}

From source file:org.opendaylight.netconf.nettyutil.handler.NetconfXMLToHelloMessageDecoder.java

License:Open Source License

@Override
@VisibleForTesting//from  w  w  w. j a v a  2  s  .co  m
public void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws IOException, SAXException, NetconfDocumentedException {
    if (in.readableBytes() == 0) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    in.markReaderIndex();
    try {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        }

        byte[] bytes = new byte[in.readableBytes()];
        in.readBytes(bytes);

        logMessage(bytes);

        // Extract bytes containing header with additional metadata
        String additionalHeader = null;
        if (startsWithAdditionalHeader(bytes)) {
            // Auth information containing username, ip address... extracted for monitoring
            int endOfAuthHeader = getAdditionalHeaderEndIndex(bytes);
            if (endOfAuthHeader > -1) {
                byte[] additionalHeaderBytes = Arrays.copyOfRange(bytes, 0, endOfAuthHeader);
                additionalHeader = additionalHeaderToString(additionalHeaderBytes);
                bytes = Arrays.copyOfRange(bytes, endOfAuthHeader, bytes.length);
            }
        }

        Document doc = XmlUtil.readXmlToDocument(new ByteArrayInputStream(bytes));

        final NetconfMessage message = getNetconfMessage(additionalHeader, doc);
        if (message instanceof NetconfHelloMessage) {
            Preconditions.checkState(helloReceived == false,
                    "Multiple hello messages received, unexpected hello: %s", message);
            out.add(message);
            helloReceived = true;
            // Non hello message, suspend the message and insert into cache
        } else {
            Preconditions.checkState(helloReceived, "Hello message not received, instead received: %s",
                    message);
            LOG.debug("Netconf message received during negotiation, caching {}", message);
            nonHelloMessages.add(message);
        }
    } finally {
        in.discardReadBytes();
    }
}