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.apache.zookeeper.server.NettyServerCnxn.java

License:Apache License

/**
 * Receive a message, which can come from the queued buffer or from a new
 * buffer coming in over the channel. This should only be called from the
 * event loop thread./*from   w  w  w .  j  av a2 s  .  co m*/
 * @param message the message bytes to process.
 */
private void receiveMessage(ByteBuf message) {
    assert channel.eventLoop().inEventLoop();
    try {
        while (message.isReadable() && !throttled.get()) {
            if (bb != null) {
                if (LOG.isTraceEnabled()) {
                    LOG.trace("message readable {} bb len {} {}", message.readableBytes(), bb.remaining(), bb);
                    ByteBuffer dat = bb.duplicate();
                    dat.flip();
                    LOG.trace("0x{} bb {}", Long.toHexString(sessionId),
                            ByteBufUtil.hexDump(Unpooled.wrappedBuffer(dat)));
                }

                if (bb.remaining() > message.readableBytes()) {
                    int newLimit = bb.position() + message.readableBytes();
                    bb.limit(newLimit);
                }
                message.readBytes(bb);
                bb.limit(bb.capacity());

                if (LOG.isTraceEnabled()) {
                    LOG.trace("after readBytes message readable {} bb len {} {}", message.readableBytes(),
                            bb.remaining(), bb);
                    ByteBuffer dat = bb.duplicate();
                    dat.flip();
                    LOG.trace("after readbytes 0x{} bb {}", Long.toHexString(sessionId),
                            ByteBufUtil.hexDump(Unpooled.wrappedBuffer(dat)));
                }
                if (bb.remaining() == 0) {
                    bb.flip();
                    packetReceived(4 + bb.remaining());

                    ZooKeeperServer zks = this.zkServer;
                    if (zks == null || !zks.isRunning()) {
                        throw new IOException("ZK down");
                    }
                    if (initialized) {
                        // TODO: if zks.processPacket() is changed to take a ByteBuffer[],
                        // we could implement zero-copy queueing.
                        zks.processPacket(this, bb);
                    } else {
                        if (LOG.isDebugEnabled()) {
                            LOG.debug("got conn req request from {}", getRemoteSocketAddress());
                        }
                        zks.processConnectRequest(this, bb);
                        initialized = true;
                    }
                    bb = null;
                }
            } else {
                if (LOG.isTraceEnabled()) {
                    LOG.trace("message readable {} bblenrem {}", message.readableBytes(), bbLen.remaining());
                    ByteBuffer dat = bbLen.duplicate();
                    dat.flip();
                    LOG.trace("0x{} bbLen {}", Long.toHexString(sessionId),
                            ByteBufUtil.hexDump(Unpooled.wrappedBuffer(dat)));
                }

                if (message.readableBytes() < bbLen.remaining()) {
                    bbLen.limit(bbLen.position() + message.readableBytes());
                }
                message.readBytes(bbLen);
                bbLen.limit(bbLen.capacity());
                if (bbLen.remaining() == 0) {
                    bbLen.flip();

                    if (LOG.isTraceEnabled()) {
                        LOG.trace("0x{} bbLen {}", Long.toHexString(sessionId),
                                ByteBufUtil.hexDump(Unpooled.wrappedBuffer(bbLen)));
                    }
                    int len = bbLen.getInt();
                    if (LOG.isTraceEnabled()) {
                        LOG.trace("0x{} bbLen len is {}", Long.toHexString(sessionId), len);
                    }

                    bbLen.clear();
                    if (!initialized) {
                        if (checkFourLetterWord(channel, message, len)) {
                            return;
                        }
                    }
                    if (len < 0 || len > BinaryInputArchive.maxBuffer) {
                        throw new IOException("Len error " + len);
                    }
                    bb = ByteBuffer.allocate(len);
                }
            }
        }
    } catch (IOException e) {
        LOG.warn("Closing connection to " + getRemoteSocketAddress(), e);
        close();
    }
}

From source file:org.eclipse.milo.opcua.binaryschema.BsdParserTest.java

License:Open Source License

protected void assertRoundTrip(String type, Object originalValue, OpcUaBinaryDataTypeCodec<Object> codec) {
    System.out.printf("--- assertRoundTrip Type: %s ---\n", type);

    System.out.println("originalValue:\t" + originalValue);
    ByteBuf buffer = Unpooled.buffer();//  w w w . j av a  2 s. c om
    codec.encode(context, originalValue, new OpcUaBinaryStreamEncoder(buffer));

    ByteBuf encodedValue = buffer.copy();
    System.out.println("encodedValue:\t" + ByteBufUtil.hexDump(encodedValue));

    Object decodedValue = codec.decode(context, new OpcUaBinaryStreamDecoder(buffer));
    assertEquals(decodedValue, originalValue);
    System.out.println("decodedValue:\t" + decodedValue);
}

From source file:org.eclipse.milo.opcua.binaryschema.BsdParserTest.java

License:Open Source License

/**
 * A weaker version of {@link #assertRoundTrip(String, Object, OpcUaBinaryDataTypeCodec)} for values that don't
 * implement equals and hashcode or values that contain members not implementing equals and  hashcode.
 * <p>//  w  w w  . jav  a 2  s  .  c  o  m
 * Relies on toString() values to be implemented at all levels instead... not great, but since the built-in structs
 * don't implement equals/hashcode it's what we have.
 */
protected void assertRoundTripUsingToString(String type, Object originalValue,
        OpcUaBinaryDataTypeCodec<Object> codec) {
    System.out.printf("--- assertRoundTrip Type: %s ---\n", type);

    System.out.println("originalValue:\t" + originalValue);
    ByteBuf buffer = Unpooled.buffer();
    codec.encode(context, originalValue, new OpcUaBinaryStreamEncoder(buffer));

    ByteBuf encodedValue = buffer.copy();
    System.out.println("encodedValue:\t" + ByteBufUtil.hexDump(encodedValue));

    Object decodedValue = codec.decode(context, new OpcUaBinaryStreamDecoder(buffer));
    assertEquals(decodedValue.toString(), originalValue.toString());
    System.out.println("decodedValue:\t" + decodedValue);
}

From source file:org.eclipse.milo.opcua.sdk.server.events.conversions.ByteStringConversions.java

License:Open Source License

@Nonnull
static String byteStringToString(@Nonnull ByteString bs) {
    return ByteBufUtil.hexDump(bs.bytesOrEmpty());
}

From source file:org.eclipse.milo.opcua.sdk.server.events.conversions.ByteStringConversionsTest.java

License:Open Source License

@Test
public void testByteStringToString() {
    ByteString bs = ByteString.of(new byte[] { 0x01, 0x02, 0x03 });

    assertEquals(ByteBufUtil.hexDump(bs.bytesOrEmpty()), ByteStringConversions.byteStringToString(bs));
}

From source file:org.eclipse.milo.opcua.stack.core.application.DirectoryCertificateValidator.java

License:Open Source License

private static String getFilename(X509Certificate certificate) throws Exception {
    String[] ss = certificate.getSubjectX500Principal().getName().split(",");
    String name = ss.length > 0 ? ss[0] : certificate.getSubjectX500Principal().getName();
    String thumbprint = ByteBufUtil.hexDump(Unpooled.wrappedBuffer(DigestUtil.sha1(certificate.getEncoded())));

    return String.format("%s [%s].der", thumbprint, URLEncoder.encode(name, "UTF-8"));
}

From source file:org.eclipse.milo.opcua.stack.core.security.DefaultTrustListManager.java

License:Open Source License

private static String getFilename(X509CRL crl) throws Exception {
    String thumbprint = ByteBufUtil.hexDump(sha1(crl.getEncoded()));

    return String.format("%s.crl", thumbprint);
}

From source file:org.eclipse.milo.opcua.stack.core.security.DefaultTrustListManager.java

License:Open Source License

private static String getFilename(X509Certificate certificate) throws Exception {
    String[] ss = certificate.getSubjectX500Principal().getName().split(",");
    String name = ss.length > 0 ? ss[0] : certificate.getSubjectX500Principal().getName();
    String thumbprint = ByteBufUtil.hexDump(sha1(certificate.getSignature()));

    return String.format("%s [%s].der", thumbprint, URLEncoder.encode(name, "UTF-8"));
}

From source file:org.eclipse.neoscada.protocol.iec60870.apci.APDUDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws Exception {
    if (logger.isTraceEnabled()) {
        logger.trace("decode - bytes: {}", ByteBufUtil.hexDump(in));
    }//from  w  w w . j  ava  2 s .c  om

    if (in.readableBytes() < Constants.APCI_MIN_LENGTH) {
        return;
    }

    final byte start = in.getByte(in.readerIndex() + 0);
    if (start != Constants.START_BYTE) {
        throw new DecoderException(
                String.format("ACPI must start with 0x%02x but did with 0x%02x", Constants.START_BYTE, start));
    }

    final short len = in.getUnsignedByte(in.readerIndex() + 1);

    if (len > Constants.APCI_MAX_DATA_LENGTH) {
        throw new DecoderException(String.format("APCI has a maximum length of %s bytes, but we received %s",
                Constants.APCI_MAX_DATA_LENGTH, len));
    }

    if (in.readableBytes() < len + 2) {
        return;
    }

    // we have the full InformationTransfer

    // skip start & len
    in.skipBytes(2);

    // read control fields
    final ByteBuf controlFields = in.readSlice(4);

    final ByteBuf data;
    if (len > 4) {
        data = Unpooled.copiedBuffer(in.readSlice(len - 4)).order(ByteOrder.LITTLE_ENDIAN);
    } else {
        data = null;
    }

    // now add the PDU

    out.add(decode(controlFields, data));
}

From source file:org.eclipse.neoscada.protocol.iec60870.apci.APDUDecoder.java

License:Open Source License

private APCIBase decode(ByteBuf controlFields, final ByteBuf data) {
    logger.trace("Control Fields: {}", ByteBufUtil.hexDump(controlFields));

    controlFields = controlFields.order(ByteOrder.LITTLE_ENDIAN);

    final byte first = controlFields.getByte(0);
    if ((first & 0x01) == 0) {
        // I format
        final int sendSequenceNumber = controlFields.readUnsignedShort() >> 1;
        final int receiveSequenceNumber = controlFields.readUnsignedShort() >> 1;
        logger.debug("S: {}, R: {}", sendSequenceNumber, receiveSequenceNumber);
        return new InformationTransfer(sendSequenceNumber, receiveSequenceNumber, data);
    } else if ((first & 0x03) == 1) {
        // S format
        controlFields.skipBytes(2);/*from  ww  w. j a  v  a2 s . c  o  m*/
        final int receiveSequenceNumber = controlFields.readUnsignedShort() >> 1;
        return new Supervisory(receiveSequenceNumber);
    } else if ((first & 0x03) == 3) {
        // U format
        final Function function = convertFunction(controlFields.readUnsignedByte());
        return new UnnumberedControl(function);
    }

    // this should actually never happen

    throw new DecoderException("Invalid control fields");
}