Example usage for io.netty.buffer ByteBuf readByte

Introduction

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

Prototype

public abstract byte readByte();

Source Link

Document

Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:com.github.vitrifiedcode.javautilities.netty.DiscardServerHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    ByteBuf in = (ByteBuf) msg;
    try {//from   w w  w .j ava  2 s .  c o m
        while (in.isReadable()) {
            System.out.print((char) in.readByte());
            System.out.flush();
        }
    } finally {
        ReferenceCountUtil.release(msg);
    }
}

From source file:com.goodgamenow.source.serverquery.MasterQueryHandler.java

License:Open Source License

private static String decodeAddress(ByteBuf buf) {
    return "" + Byte.toUnsignedInt(buf.readByte()) + '.' + Byte.toUnsignedInt(buf.readByte()) + '.'
            + Byte.toUnsignedInt(buf.readByte()) + '.' + Byte.toUnsignedInt(buf.readByte());
}

From source file:com.groupon.vertx.memcache.stream.MemcacheInputStream.java

License:Apache License

/**
 * This method handles processing the incoming Buffer from the NetSocket.  The Buffer
 * is not guaranteed to contain a whole message so this method tracks the current state
 * of the incoming data and notifies the pending commands when enough data has been sent
 * for a response./*from   w  w w  .  ja v  a 2s.c o m*/
 *
 * @param processBuffer - The Buffer containing the current set of bytes.
 */
public void processBuffer(Buffer processBuffer) {
    if (processBuffer == null || processBuffer.length() == 0) {
        return;
    }

    byte first;
    byte second;

    ByteBuf byteBuf = processBuffer.getByteBuf();

    while (byteBuf.isReadable()) {
        first = byteBuf.readByte();
        if (first == '\r') {
            if (byteBuf.isReadable()) {
                second = byteBuf.readByte();
                if (second == '\n') {
                    addCompletedLine();
                }
                previous = second;
            } else {
                previous = first;
            }
        } else if (first == '\n' && previous == '\r') {
            addCompletedLine();
            previous = first;
        } else {
            buffer.write(first);
            previous = first;
        }
    }
}

From source file:com.groupon.vertx.redis.RedisInputStream.java

License:Apache License

/**
 * This method handles processing the incoming Buffer from the NetSocket.  The Buffer
 * is not guaranteed to contain a whole message so this method tracks the current state
 * of the incoming data and notifies the pending commands when enough data has been sent
 * for a response./* w  w  w  .  j a v  a  2s .  c o  m*/
 *
 * @param processBuffer - The Buffer containing the current set of bytes.
 */
public void processBuffer(Buffer processBuffer) {
    if (processBuffer == null || processBuffer.length() == 0) {
        return;
    }

    byte first;
    byte second;

    ByteBuf byteBuf = processBuffer.getByteBuf();

    while (byteBuf.isReadable()) {
        first = byteBuf.readByte();
        if (first == '\r' && byteBuf.isReadable()) {
            second = byteBuf.readByte();
            if (second == '\n') {
                byte[] line = new byte[bufferPosition];
                System.arraycopy(buffer, 0, line, 0, line.length);
                addCompletedLine(line);
            } else {
                buffer[bufferPosition++] = first;
                buffer[bufferPosition++] = second;
            }
        } else if (first == '\n' && buffer[bufferPosition - 1] == '\r') {
            byte[] line = new byte[bufferPosition - 1];
            System.arraycopy(buffer, 0, line, 0, line.length);
            addCompletedLine(line);
        } else {
            buffer[bufferPosition++] = first;
        }
    }
}

From source file:com.heliosapm.ohcrs.core.AbstractDriverCodec.java

License:Apache License

/**
 * {@inheritDoc}/*from   w ww. j a  v  a 2  s. co  m*/
 * @see com.heliosapm.ohcrs.core.DriverCodec#readByte(io.netty.buffer.ByteBuf)
 */
@Override
public Byte readByte(final ByteBuf b) throws SQLException {
    if (checkNull(b))
        return null;
    return b.readByte();
}

From source file:com.heliosapm.ohcrs.core.AbstractDriverCodec.java

License:Apache License

/**
 * {@inheritDoc}/*from w  ww  .  j a  va  2s  .co  m*/
 * @see com.heliosapm.ohcrs.core.DriverCodec#readbyte(io.netty.buffer.ByteBuf)
 */
@Override
public byte readbyte(final ByteBuf b) throws SQLException {
    if (checkNull(b))
        return 0;
    return b.readByte();
}

From source file:com.heliosapm.shorthand.caster.broadcast.BroadcastListenerRouter.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
    ByteBuf data = msg.content();
    byte msgType = data.readByte();
    BroadcastType bt = BroadcastType.ORD2ENUM.get((int) msgType);
    log("Processing Broadcast [%s]", bt.name());
    BroadcastExecutable exec = bt.unmarshallPacket(data.nioBuffer(), msg.sender());
    taskThreadPool.execute(exec);// w  ww  .ja va2  s  .  co  m
}

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

License:Open Source License

/**
 * Reads a streamed metric from the passed byte array
 * @param bytes the byte array to read the streamed metric from
 * @return the appropriate type of StreamedMetric
 *//*from   w ww.  j a va  2  s .co m*/
public static StreamedMetric read(final byte[] bytes) {
    final ByteBuf buff = BufferManager.getInstance().directBuffer(bytes.length).writeBytes(bytes);
    try {
        final byte type = buff.readByte();
        switch (type) {
        case 0:
            return StreamedMetric.fromBuff(buff);
        case 1:
            return StreamedMetricValue.fromBuff(buff);
        default:
            throw new RuntimeException("Unrecognized metric type code [" + type + "]");
        }
    } finally {
        try {
            buff.release();
        } catch (Exception x) {
            /* No Op */}
    }
}

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

License:Open Source License

/**
 * Reads a streamed metric from the passed buffer
 * @param buff the buffer to read the streamed metric from
 * @return the appropriate type of StreamedMetric
 *///from   w w w.ja  v  a  2 s  .c  o  m
public static StreamedMetric read(final ByteBuf buff) {
    final byte type = buff.readByte();
    switch (type) {
    case 0:
        return StreamedMetric.fromBuff(buff);
    case 1:
        return StreamedMetricValue.fromBuff(buff);
    default:
        throw new RuntimeException("Unrecognized metric type code [" + type + "]");
    }
}

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

License:Open Source License

void readFromBuff(final ByteBuf buff) {
    final byte v = buff.readByte();
    if (v == 0) {
        valueType = null;// w w w.  j av  a  2s  .  c  o  m
    } else {
        valueType = ValueType.ordinal(v - 1);
    }
    timestamp = buff.readLong();
    metricName = BufferManager.readUTF(buff);
    final int tsize = buff.readByte();
    for (int i = 0; i < tsize; i++) {
        final String key = BufferManager.readUTF(buff);
        final String val = BufferManager.readUTF(buff);
        tags.put(key, val);
    }
}