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:org.inspirenxe.server.network.codec.play.JoinGameCodec.java

License:MIT License

@Override
public ByteBuf encode(ByteBuf buf, JoinGameMessage message) throws IOException {
    buf.writeInt(message.getPlayerId());
    short gameMode = (short) message.getGameMode().value();
    if (message.isHardcore()) {
        gameMode |= 8;//from  w w  w . j  a  va 2  s  . c om
    }
    buf.writeShort(gameMode);
    buf.writeByte(message.getDimension().value());
    buf.writeShort(message.getDifficulty().value());
    buf.writeShort(message.getMaxPlayers());
    ByteBufUtils.writeUTF8(buf, message.getLevelType().name());
    return buf;
}

From source file:org.iotivity.cloud.base.protocols.coap.CoapEncoder.java

License:Open Source License

private void calcShimHeader(CoapMessage coapMessage, ByteBuf byteBuf, long length) {
    if (length < 13) {
        byteBuf.writeByte(((int) length & 0x0F) << 4 | (coapMessage.getTokenLength() & 0x0F));
    } else if (length < 269) {
        byteBuf.writeShort(
                (13 & 0x0F) << 12 | (coapMessage.getTokenLength() & 0x0F) << 8 | (((int) length - 13) & 0xFF));
    } else if (length < 65805) {
        byteBuf.writeByte((14 & 0x0F) << 4 | (coapMessage.getTokenLength() & 0x0F));
        byteBuf.writeShort(((int) length - 269) & 0xFFFF);
    } else if (length < 4294967294L) {
        byteBuf.writeByte((15 & 0x0F) << 4 | (coapMessage.getTokenLength() & 0x0F));
        byte[] size = new byte[4];
        long payload = length - 65805;
        for (int i = 3; i > -1; i--) {
            size[i] = (byte) (payload & 0xFF);
            payload >>= 8;/*from  w ww .j a va 2s .co  m*/
        }
        byteBuf.writeBytes(size);
    } else {
        throw new IllegalArgumentException("Length must be less than 4GB " + length);
    }
}

From source file:org.jfxvnc.net.rfb.codec.encoder.PixelFormatEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, PixelFormat pf, ByteBuf out) throws Exception {
    out.writeByte(ClientEventType.SET_PIXEL_FORMAT);
    out.writeZero(3); // padding
    out.writeByte(pf.getBitPerPixel());//from   www .j av  a  2  s  . co m
    out.writeByte(pf.getDepth());
    out.writeBoolean(pf.isBigEndian());
    out.writeBoolean(pf.isTrueColor());
    out.writeShort(pf.getRedMax());
    out.writeShort(pf.getGreenMax());
    out.writeShort(pf.getBlueMax());
    out.writeByte(pf.getRedShift());
    out.writeByte(pf.getGreenShift());
    out.writeByte(pf.getBlueShift());
    out.writeZero(3); // padding

    ctx.pipeline().remove(this);
}

From source file:org.jfxvnc.net.rfb.codec.encoder.PointerEventEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, PointerEvent msg, ByteBuf out) throws Exception {
    ByteBuf buf = ctx.alloc().buffer(6);
    try {/*from   www .  jav a2s.  com*/
        buf.writeByte(ClientEventType.POINTER_EVENT);
        buf.writeByte(msg.getButtonMask());
        buf.writeShort(msg.getxPos());
        buf.writeShort(msg.getyPos());
        out.writeBytes(buf);
    } finally {
        buf.release();
    }
}

From source file:org.jfxvnc.net.rfb.codec.encoder.PreferedEncodingEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, PreferedEncoding enc, ByteBuf out) throws Exception {
    out.writeByte(ClientEventType.SET_ENCODINGS);
    out.writeZero(1); // padding
    out.writeShort(enc.getEncodings().length);
    Arrays.stream(enc.getEncodings()).forEach(e -> out.writeInt(e.getType()));

    ctx.pipeline().remove(this);
}

From source file:org.jfxvnc.net.rfb.codec.ProtocolHandler.java

License:Apache License

public void sendFramebufferUpdateRequest(ChannelHandlerContext ctx, boolean incremental, int x, int y, int w,
        int h) {//from  w  w w.ja  va  2 s.  co m
    ByteBuf buf = ctx.alloc().buffer(10);
    buf.writeByte(ClientEventType.FRAMEBUFFER_UPDATE_REQUEST);
    buf.writeByte(incremental ? 1 : 0);

    buf.writeShort(x);
    buf.writeShort(y);
    buf.writeShort(w);
    buf.writeShort(h);

    ctx.writeAndFlush(buf);
}

From source file:org.jmqtt.core.codec.ConnectEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext chc, ConnectPacket message, ByteBuf out) {
    ByteBuf staticHeaderBuff = chc.alloc().buffer(12);
    ByteBuf buff = chc.alloc().buffer();
    ByteBuf variableHeaderBuff = chc.alloc().buffer(12);
    try {//from  w  w  w .j av  a  2 s  . co  m
        staticHeaderBuff.writeBytes(MqttUtils.encodeString("MQIsdp"));

        //version 
        staticHeaderBuff.writeByte(0x03);

        //connection flags and Strings
        byte connectionFlags = 0;
        if (message.isCleanSession()) {
            connectionFlags |= 0x02;
        }
        if (message.isWillFlag()) {
            connectionFlags |= 0x04;
        }
        connectionFlags |= ((message.getWillQos() & 0x03) << 3);
        if (message.isWillRetain()) {
            connectionFlags |= 0x020;
        }
        if (message.isPasswordFlag()) {
            connectionFlags |= 0x040;
        }
        if (message.isUserFlag()) {
            connectionFlags |= 0x080;
        }
        staticHeaderBuff.writeByte(connectionFlags);

        //Keep alive timer
        staticHeaderBuff.writeShort(message.getKeepAlive());

        //Variable part
        if (message.getClientId() != null) {
            variableHeaderBuff.writeBytes(MqttUtils.encodeString(message.getClientId()));
            if (message.isWillFlag()) {
                variableHeaderBuff.writeBytes(MqttUtils.encodeString(message.getWillTopic()));
                variableHeaderBuff.writeBytes(MqttUtils.encodeFixedLengthContent(message.getWillMessage()));
            }
            if (message.isUserFlag() && message.getUsername() != null) {
                variableHeaderBuff.writeBytes(MqttUtils.encodeString(message.getUsername()));
                if (message.isPasswordFlag() && message.getPassword() != null) {
                    variableHeaderBuff.writeBytes(MqttUtils.encodeFixedLengthContent(message.getPassword()));
                }
            }
        }

        int variableHeaderSize = variableHeaderBuff.readableBytes();
        buff.writeByte(AbstractPacket.CONNECT << 4);
        buff.writeBytes(MqttUtils.encodeRemainingLength(12 + variableHeaderSize));
        buff.writeBytes(staticHeaderBuff).writeBytes(variableHeaderBuff);

        out.writeBytes(buff);
    } finally {
        staticHeaderBuff.release();
        buff.release();
        variableHeaderBuff.release();
    }
}

From source file:org.jmqtt.core.codec.PubAckEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext chc, PubAckPacket msg, ByteBuf out) {
    ByteBuf buff = chc.alloc().buffer(4);
    try {//w  ww. j  av  a2  s  .  c o m
        buff.writeByte(AbstractPacket.PUBACK << 4);
        buff.writeBytes(MqttUtils.encodeRemainingLength(2));
        buff.writeShort(msg.getPacketId());
        out.writeBytes(buff);
    } finally {
        buff.release();
    }
}

From source file:org.jmqtt.core.codec.PubCompEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext chc, PubCompPacket msg, ByteBuf out) {
    out.writeByte(AbstractPacket.PUBCOMP << 4);
    out.writeBytes(MqttUtils.encodeRemainingLength(2));
    out.writeShort(msg.getPacketId());
}