Example usage for io.netty.buffer ByteBuf writeShort

Introduction

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

Prototype

public abstract ByteBuf writeShort(int value);

Source Link

Document

Sets the specified 16-bit short integer at the current writerIndex and increases the writerIndex by 2 in this buffer.

Usage

From source file:gedi.remote.codec.NumberEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Number msg, ByteBuf out) throws Exception {
    if (msg instanceof Byte) {
        out.writeInt(Integer.BYTES + 1 + Byte.BYTES);
        out.writeInt(1);//from w w w  .  ja  va  2 s.  com
        out.writeByte('B');
        out.writeByte(msg.byteValue());
    } else if (msg instanceof Short) {
        out.writeInt(Integer.BYTES + 1 + Short.BYTES);
        out.writeInt(1);
        out.writeByte('S');
        out.writeShort(msg.shortValue());
    } else if (msg instanceof Integer) {
        out.writeInt(Integer.BYTES + 1 + Integer.BYTES);
        out.writeInt(1);
        out.writeByte('I');
        out.writeInt(msg.intValue());
    } else if (msg instanceof Long) {
        out.writeInt(Integer.BYTES + 1 + Long.BYTES);
        out.writeInt(1);
        out.writeByte('L');
        out.writeLong(msg.longValue());
    } else if (msg instanceof Float) {
        out.writeInt(Integer.BYTES + 1 + Float.BYTES);
        out.writeInt(1);
        out.writeByte('F');
        out.writeFloat(msg.floatValue());
    } else if (msg instanceof Double) {
        out.writeInt(Integer.BYTES + 1 + Double.BYTES);
        out.writeInt(1);
        out.writeByte('D');
        out.writeDouble(msg.doubleValue());
    } else
        throw new RuntimeException("Could not encode number " + msg.getClass().getName());

}

---

From source file:gwlpr.mapshard.views.InstanceLoadView.java

License:Open Source License

public static void sendGuiData(Channel channel) {
    // TODO fixme!

    short[] data = new short[] { 0x66, 0xE4, 0xA6, 0xFE, 0xE7, 0x5D, 0x0C, 0x66, 0x3A, 0x3F, 0xFB, 0x11, 0x50,
            0xE3, 0xFC, 0x0D, 0xA0, 0xEE, 0x06, 0x7B, 0x74, 0xB3, 0xDB, 0xFD, 0xFF, 0x0D, 0xC8, 0xDF, 0x22,
            0x58, 0xBE, 0xD7, 0xBF, 0x9C, 0xB3, 0x8E, 0xF7, 0xFB, 0xFE, 0x63, 0x4C, 0x7C, 0xDB, 0xB4, 0x8D,
            0x4C, 0x09, 0x55, 0x43, 0xDD, 0x00, 0x18, 0x00, 0x07, 0x1B, 0x46, 0xEC, 0x6F, 0x5A, 0x3D, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x94, 0x97, 0xDF, 0x03, 0x71, 0x60, 0x8B, 0x57, 0x01, 0x01, 0x20, 0x0C, 0x82,
            0x50, 0xD3, 0x00, 0x04, 0xC0, 0x8C, 0x2A, 0x56, 0x81, 0x40, 0x41, 0x10, 0x20, 0xE8, 0xA4, 0x00,
            0x00, 0x00, 0x5C, 0x9D, 0x21, 0x38, 0x42, 0x40, 0x00, 0x60, 0x10, 0x68, 0x01, 0x00, 0x2C, 0x4A,
            0x29, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x90, 0x00, 0x28, 0xCC, 0xE2, 0x76, 0xC0, 0x3A,
            0x2E, 0x3A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x10, 0x05, 0x11, 0x39, 0xCC, 0x78,
            0x00, 0x9A, 0x93, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xDF, 0xB2, 0x25, 0xD0, 0x2F,
            0xFD, 0xE7, 0x85, 0xB8, 0xBD, 0xF8, 0x30, 0x20, 0x16, 0xA3, 0x48, 0x2B, 0x00, 0x00, 0x00, 0x60,
            0xC6, 0xCE, 0x44, 0x00, 0x00, 0xC0, 0x0E, 0x22, 0x00, 0x00, 0x85, 0x71, 0xD7, 0x71, 0xA1, 0xDC,
            0x6B, 0x7B, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0x09, 0x5C, 0x18, 0x03,
            0x00, 0x00, 0x00, 0x00, 0xE5, 0xB3, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x59, 0x50,
            0x00, 0x00, 0x00, 0x00, 0xA0, 0x4C, 0x65, 0x01, 0x00, 0x00, 0x40, 0x0D, 0x00, 0x01, 0x00, 0xFA,
            0x4E, 0xAD, 0x0F };//from  w  w  w .j a va  2  s.  c om

    ByteBuf buf = channel.alloc().buffer(2 + 2 + data.length).order(ByteOrder.LITTLE_ENDIAN);

    // write the header
    buf.writeShort(18);

    // write length of the data in ints
    buf.writeShort(data.length / 4);

    for (int i = 0; i < data.length; i++) {
        buf.writeByte(data[i]);
    }

    channel.writeAndFlush(buf);
}

---

From source file:gwlpr.protocol.NettyGWCodec.java

License:Open Source License

@Override
public void encode(ChannelHandlerContext ctx, GWMessage message, ByteBuf out) {
    ByteBuf result = out.order(ByteOrder.LITTLE_ENDIAN);

    LOGGER.debug("Put: {}", message.toString());

    GWMessage gwact = message;/*from w w  w. ja  v a 2  s.  co m*/
    int header = gwact.getHeader();

    // try retrieve the serialization filter
    NettySerializationFilter filter = GWMessageSerializationRegistry.getFilter(gwact.getClass());

    if (filter == null) {
        LOGGER.error("Could not find a filter for given message.");
        return;
    }

    // write the header
    result.writeShort(header);

    // serialize the message
    filter.serialize(result, message);
}

---

From source file:hellfirepvp.astralsorcery.common.network.packet.server.PktSyncConfig.java

License:Open Source License

@Override
public void toBytes(ByteBuf buf) {
    List<byte[]> bufferedFieldContents = new ArrayList<>();
    for (Field f : Config.class.getFields()) {
        if (Modifier.isStatic(f.getModifiers()) && f.isAnnotationPresent(Sync.class)) {
            ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
            try {
                new DataOutputStream(byteStream).writeUTF(f.getName());
                new ObjectOutputStream(byteStream).writeObject(f.get(null));
            } catch (Exception ignored) {
            }//from  w w  w. j av a 2  s.  com
            bufferedFieldContents.add(byteStream.toByteArray());
            try {
                byteStream.close();
            } catch (IOException ignored) {
            }
        }
    }

    buf.writeByte(bufferedFieldContents.size());
    for (byte[] data : bufferedFieldContents) {
        buf.writeShort(data.length);
        buf.writeBytes(data);
    }
}

---

From source file:hivemall.mix.MixMessageEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, MixMessage msg, ByteBuf out) throws Exception {
    int startIdx = out.writerIndex();
    out.writeBytes(LENGTH_PLACEHOLDER);/*from  w  w  w . j  a v  a  2  s.  c om*/

    MixEventName event = msg.getEvent();
    byte b = event.getID();
    out.writeByte(b);

    Object feature = msg.getFeature();
    encodeObject(feature, out);

    float weight = msg.getWeight();
    out.writeFloat(weight);

    float covariance = msg.getCovariance();
    out.writeFloat(covariance);

    short clock = msg.getClock();
    out.writeShort(clock);

    int deltaUpdates = msg.getDeltaUpdates();
    out.writeInt(deltaUpdates);

    boolean cancelRequest = msg.isCancelRequest();
    out.writeBoolean(cancelRequest);

    String groupId = msg.getGroupID();
    writeString(groupId, out);

    int endIdx = out.writerIndex();
    out.setInt(startIdx, endIdx - startIdx - 4);
}

---

From source file:impl.underdark.transport.bluetooth.discovery.ble.transport.peripheral.BlePeripheral.java

License:Open Source License

private void describeCharacteristicFormat(BluetoothDevice device, int requestId, int offset,
        BluetoothGattDescriptor descriptor) {
    // https://developer.bluetooth.org/gatt/descriptors/Pages/DescriptorViewer.aspx?u=org.bluetooth.descriptor.gatt.characteristic_presentation_format.xml
    // https://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/file/ecbc3405c66e/public/GattCharacteristic.h
    byte format = 10;
    if (BleConfig.charactAddressUuid.equals(descriptor.getCharacteristic().getUuid()))
        format = 25;/* w w  w  .j a  v a2 s .c o m*/
    if (BleConfig.charactNodeIdUuid.equals(descriptor.getCharacteristic().getUuid()))
        format = 18;

    ByteBuf buffer = Unpooled.buffer();
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    buffer.writeByte(format); // format
    buffer.writeByte(0); // exponent
    buffer.writeShort(0x2700); // unit
    buffer.writeByte(1); // namespace
    buffer.writeShort(0); // description

    if (offset >= buffer.readableBytes()) {
        Logger.warn("ble peripheral format charact failed - invalid offset {}", offset);
        gattServer.sendResponse(device, requestId, BluetoothGatt.GATT_INVALID_OFFSET, offset, null);
        return;
    }

    byte[] value = Arrays.copyOfRange(buffer.array(), offset,
            Math.min(buffer.readableBytes() - offset, BleConfig.charactValueSizeMax));
    gattServer.sendResponse(device, requestId, BluetoothGatt.GATT_SUCCESS, offset, value);
}

---

From source file:io.advantageous.conekt.dns.impl.netty.DnsQueryEncoder.java

License:Open Source License

/**
 * Encodes the information in a {@link DnsQueryHeader} and writes it to the
 * specified {@link io.netty.buffer.ByteBuf}. The header is always 12 bytes long.
 *
 * @param header the query header being encoded
 * @param buf    the buffer the encoded data should be written to
 *///from  ww  w  .  jav a2s .  co m
private static void encodeHeader(DnsQueryHeader header, ByteBuf buf) {
    buf.writeShort(header.getId());
    int flags = 0;
    flags |= header.getType() << 15;
    flags |= header.getOpcode() << 14;
    flags |= header.isRecursionDesired() ? 1 << 8 : 0;
    buf.writeShort(flags);
    buf.writeShort(header.questionCount());
    buf.writeShort(header.answerCount()); // Must be 0
    buf.writeShort(header.authorityResourceCount()); // Must be 0
    buf.writeShort(header.additionalResourceCount()); // Must be 0
}

---

From source file:io.advantageous.conekt.dns.impl.netty.DnsQueryEncoder.java

License:Open Source License

/**
 * Encodes the information in a {@link DnsQuestion} and writes it to the
 * specified {@link io.netty.buffer.ByteBuf}.
 *
 * @param question the question being encoded
 * @param charset  charset names are encoded in
 * @param buf      the buffer the encoded data should be written to
 *///  w ww  . j a  v a  2 s  .  co  m
private static void encodeQuestion(DnsQuestion question, Charset charset, ByteBuf buf) {
    String[] parts = question.name().split("\\.");
    for (int i = 0; i < parts.length; i++) {
        buf.writeByte(parts[i].length());
        buf.writeBytes(charset.encode(parts[i]));
    }
    buf.writeByte(0); // marks end of name field
    buf.writeShort(question.type());
    buf.writeShort(question.dnsClass());
}

---

From source file:io.airlift.drift.transport.netty.codec.HeaderTransport.java

License:Apache License

/**
 * Encodes the HeaderFrame into a ByteBuf transferring the reference ownership.
 * @param frame frame to be encoded; reference count ownership is transferred to this method
 * @return the encoded frame data; caller is responsible for releasing this buffer
 *//*from  w  w w .ja  v a 2 s. co m*/
public static ByteBuf encodeFrame(ThriftFrame frame) {
    try {
        // describe the encoding (Thrift protocol, compression info)
        ByteBuf encodingInfo = Unpooled.buffer(3);
        encodingInfo.writeByte(frame.getProtocol().getHeaderTransportId());
        // number of "transforms" -- no transforms are supported
        encodingInfo.writeByte(0);

        // headers
        ByteBuf encodedHeaders = encodeHeaders(frame.getHeaders());

        // Padding - header size must be a multiple of 4
        int headerSize = encodingInfo.readableBytes() + encodedHeaders.readableBytes();
        ByteBuf padding = getPadding(headerSize);
        headerSize += padding.readableBytes();

        // frame header (magic, flags, sequenceId, headerSize
        ByteBuf frameHeader = Unpooled.buffer(FRAME_HEADER_SIZE);
        frameHeader.writeShort(HEADER_MAGIC);
        frameHeader.writeShort(frame.isSupportOutOfOrderResponse() ? FLAG_SUPPORT_OUT_OF_ORDER : FLAGS_NONE);
        frameHeader.writeInt(frame.getSequenceId());
        frameHeader.writeShort(headerSize >> 2);

        // header frame is a simple wrapper around the frame method, so the frame does not need to be released
        return Unpooled.wrappedBuffer(frameHeader, encodingInfo, encodedHeaders, padding, frame.getMessage());
    } finally {
        frame.release();
    }
}

---

From source file:io.airlift.drift.transport.netty.HeaderMessageEncoding.java

License:Apache License

@Override
public ByteBuf writeRequest(ByteBufAllocator allocator, int sequenceId, MethodMetadata method,
        List<Object> parameters, Map<String, String> headers) throws Exception {
    ByteBuf message = MessageEncoding.encodeRequest(protocolFactory, allocator, sequenceId, method, parameters);

    ////from w  w  w  . j a v  a  2s.c  o m
    // describe the encoding (Thrift protocol, compression info)
    ByteBuf encodingInfo = Unpooled.buffer(3);
    encodingInfo.writeByte(protocolId);
    // number of "transforms"
    encodingInfo.writeByte(gzip ? 1 : 0);
    if (gzip) {
        // Note this is actually a vint, but there are only 3 headers for now
        encodingInfo.writeByte(0x01);
    }

    // headers
    ByteBuf encodedHeaders = encodeHeaders(headers);

    // Padding - header size must be a multiple of 4
    int headerSize = encodingInfo.readableBytes() + encodedHeaders.readableBytes();
    ByteBuf padding = getPadding(headerSize);
    headerSize += padding.readableBytes();

    // frame header (magic, flags, sequenceId, headerSize
    ByteBuf frameHeader = Unpooled.buffer(12);
    frameHeader.writeShort(HEADER_MAGIC);
    frameHeader.writeShort(FLAG_SUPPORT_OUT_OF_ORDER);
    frameHeader.writeInt(sequenceId);
    frameHeader.writeShort(headerSize >> 2);

    return Unpooled.wrappedBuffer(frameHeader, encodingInfo, encodedHeaders, padding, message);
}

---

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