Example usage for io.netty.buffer ByteBuf writeByte

Introduction

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

Prototype

public abstract ByteBuf writeByte(int value);

Source Link

Document

Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer.

Usage

From source file:com.heliosapm.streams.metrics.StreamedMetricValue.java

License:Apache License

/**
 * Writes a metric to the passed buffer// ww  w.  j av  a2 s.com
 * @param buff The buffer to write to
 * @param valueType The value type
 * @param metricName The metric name
 * @param timestamp The metric timestamp
 * @param value The metric value
 * @param tags The metric tags
 * @return the number of bytes written
 */
public static int write(final ByteBuf buff, final ValueType valueType, final String metricName,
        final long timestamp, final long value, final Map<String, String> tags) {
    final int defSize = write(buff, valueType, metricName, timestamp, tags);
    buff.writeByte(1);
    buff.writeLong(value);
    return defSize + 9;
}

From source file:com.heliosapm.streams.metrics.StreamedMetricValue.java

License:Apache License

/**
 * Writes a metric to the passed buffer//from w  ww  . ja  v  a2s .  c o  m
 * @param buff The buffer to write to
 * @param valueType The value type
 * @param metricName The metric name
 * @param timestamp The metric timestamp
 * @param value The metric value
 * @param tags The metric tags
 * @return the number of bytes written
 */
public static int write(final ByteBuf buff, final ValueType valueType, final String metricName,
        final long timestamp, final double value, final Map<String, String> tags) {
    final int defSize = write(buff, valueType, metricName, timestamp, tags);
    buff.writeByte(0);
    buff.writeDouble(value);
    return defSize + 9;
}

From source file:com.heliosapm.streams.metrics.StreamedMetricValue.java

License:Apache License

/**
 * Returns a byte array containing the serialized streammetric
 * @return a byte array /*ww  w  . j a  va2  s  .  c om*/
 */
@Override
public byte[] toByteArray() {
    final ByteBuf buff = BufferManager.getInstance().directBuffer(byteSize);
    try {
        buff.writeByte(TYPE_CODE);
        writeByteArray(buff);
        if (isDoubleValue) {
            buff.writeByte(0);
            buff.writeDouble(doubleValue);
        } else {
            buff.writeByte(1);
            buff.writeLong(longValue);
        }
        return ByteBufUtil.getBytes(buff, 0, buff.readableBytes());
    } finally {
        try {
            buff.release();
        } catch (Exception x) {
            /* No Op */}
    }
}

From source file:com.heliosapm.streams.metrics.StreamedMetricValue.java

License:Apache License

/**
 * Returns this streamed metric serialized into a byte buf
 * @return the byte buf/*from   w  ww .ja  v  a 2 s .co  m*/
 */
@Override
public ByteBuf toByteBuff() {
    final ByteBuf buff = BufferManager.getInstance().directBuffer(byteSize);
    buff.writeByte(TYPE_CODE);
    writeByteArray(buff);
    if (isDoubleValue) {
        buff.writeByte(0);
        buff.writeDouble(doubleValue);
    } else {
        buff.writeByte(1);
        buff.writeLong(longValue);
    }
    return buff;
}

From source file:com.heliosapm.streams.metrics.StreamedMetricValue.java

License:Apache License

/**
 * Writes this metric into the passed buffer
 * @param buff The buffer to write this metric into
 *///from  ww  w.j  a v a  2  s  .  c o m
@Override
public void intoByteBuf(final ByteBuf buff) {
    buff.writeByte(TYPE_CODE);
    writeByteArray(buff);
    if (isDoubleValue) {
        buff.writeByte(0);
        buff.writeDouble(doubleValue);
    } else {
        buff.writeByte(1);
        buff.writeLong(longValue);
    }
}

From source file:com.hop.hhxx.example.udt.echo.message.MsgEchoClientHandler.java

License:Apache License

public MsgEchoClientHandler() {
    super(false);
    final ByteBuf byteBuf = Unpooled.buffer(io.netty.example.udt.echo.message.MsgEchoClient.SIZE);
    for (int i = 0; i < byteBuf.capacity(); i++) {
        byteBuf.writeByte((byte) i);
    }// w ww.ja v  a  2 s .c  o m
    message = new UdtMessage(byteBuf);
}

From source file:com.hxr.javatone.concurrency.netty.official.factorial.NumberEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Number msg, ByteBuf out) throws Exception {
    // Convert to a BigInteger first for easier implementation.
    BigInteger v;//ww w  .jav  a2  s.co  m
    if (msg instanceof BigInteger) {
        v = (BigInteger) msg;
    } else {
        v = new BigInteger(String.valueOf(msg));
    }

    // Convert the number into a byte array.
    byte[] data = v.toByteArray();
    int dataLength = data.length;

    // Write a message.
    out.writeByte((byte) 'F'); // magic number
    out.writeInt(dataLength); // data length
    out.writeBytes(data); // data
}

From source file:com.ibasco.agql.protocols.valve.source.query.SourceRconPacketBuilder.java

License:Open Source License

@Override
public byte[] deconstruct(SourceRconPacket packet) {
    //1) size = int (4 bytes)
    //2) id = int (4 bytes)
    //3) type = int (4 bytes)
    //4) body = string (length + 1 null byte)
    //5) trailer = null byte

    int id = packet.getId();
    int type = packet.getType();
    final String body = StringUtils.defaultString(packet.getBody());
    int packetSize = 10 + body.length();
    final ByteBuf buf = createBuffer(packetSize);
    byte[] data;//w  w w  . j a  v a  2s .  c om
    try {
        buf.writeIntLE(packetSize);
        buf.writeIntLE(id);
        buf.writeIntLE(type);
        buf.writeBytes(body.getBytes());
        buf.writeByte(0);
        buf.writeByte(0);
        data = new byte[buf.readableBytes()];
        buf.readBytes(data);
    } finally {
        buf.release();
    }
    return data;
}

From source file:com.ibasco.agql.protocols.valve.steam.master.packets.MasterServerRequestPacket.java

License:Open Source License

@Override
public byte[] getPayload() {
    String filterString = this.filter.toString();
    int payloadSize = (3 + filterString.length() + (this.startIp.length()));
    final ByteBuf payload = PooledByteBufAllocator.DEFAULT.buffer(payloadSize);
    try {/*from w ww  .ja v a2 s  .co  m*/
        payload.writeByte(getRegion());
        payload.writeBytes(getStartIp().getBytes());
        payload.writeByte(0); //terminating byte
        payload.writeBytes(filterString.getBytes());
        byte[] payloadBytes = new byte[payload.readableBytes()];
        payload.readBytes(payloadBytes);
        return payloadBytes;
    } finally {
        payload.release();
    }
}

From source file:com.irh.material.basics.netty.chapter14_1.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null) {
        throw new Exception("The encode message is null");
    }//from  w  w w .j a va  2s  .  co  m
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}