Example usage for io.netty.buffer ByteBuf writeByte

List of usage examples for io.netty.buffer ByteBuf writeByte

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBuf
  6. 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.seagate.kinetic.common.protocol.codec.KineticEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, KineticMessage km, ByteBuf out) throws Exception {

    try {//from   w w w. j  ava  2  s  .  c om

        // get value to write separately
        // byte[] value = builder.getValue().toByteArray();
        byte[] value = km.getValue();

        // 1. write magic number
        out.writeByte((byte) 'F');

        //get message
        Message.Builder messageBuilder = (Builder) km.getMessage();

        // build message
        Message msg = messageBuilder.build();

        // get proto message bytes
        byte[] protoMessageBytes = msg.toByteArray();

        // 2. write protobuf message message size, 4 byte
        out.writeInt(protoMessageBytes.length);

        // 3. write attached value size, 4 byte
        if (value != null) {
            out.writeInt(value.length);
        } else {
            out.writeInt(0);
        }

        // 4. write protobuf message byte[]
        out.writeBytes(protoMessageBytes);

        // 5 (optional) write attached value if any
        if (value != null && value.length > 0) {
            // write value
            out.writeBytes(value);
        }

        // log message out
        if (printMessage) {

            logger.info("outbound protocol message:");

            String printMsg = ProtocolMessageUtil.toString(km);

            logger.info(printMsg);
        }

    } catch (Exception e) {
        logger.log(Level.WARNING, e.getMessage(), e);
        throw e;
    }
}

From source file:com.shekar.msrp.codec.MsrpResponseStatus.java

void encode(ByteBuf buf) {
    if (bytes == null) {
        MsrpHeaders.encodeUtf8(String.valueOf(code()), buf);
        buf.writeByte(MsrpConstants.SP);
        if (comment() != null) {
            MsrpHeaders.encodeUtf8(comment(), buf);
        }/*from w  ww . j  a  va 2s.c o  m*/
    } else {
        buf.writeBytes(bytes);
    }
}

From source file:com.spotify.folsom.client.binary.BinaryMemcacheDecoderTest.java

License:Apache License

@Test
public void test() throws Exception {
    GetRequest request = new GetRequest(KEY, OpCode.GET, 123, OPAQUE);
    BinaryMemcacheDecoder decoder = new BinaryMemcacheDecoder();

    ByteBuf cb = Unpooled.buffer(30);
    cb.writeByte(0x81);
    cb.writeByte(OpCode.GET);/*from w  w w. ja v  a2 s .co  m*/
    cb.writeShort(3);
    cb.writeByte(0);
    cb.writeZero(1);
    cb.writeShort(0);
    cb.writeInt(6);
    cb.writeInt(request.getOpaque());
    cb.writeLong(258);
    cb.writeBytes(KEY.getBytes());
    cb.writeBytes(VALUE.getBytes());

    List<Object> out = Lists.newArrayList();
    decoder.decode(null, cb, out);
    @SuppressWarnings("unchecked")
    List<ResponsePacket> replies = (List<ResponsePacket>) out.get(0);
    request.handle(replies);

    GetResult<byte[]> getResult = request.get();
    assertEquals(258, getResult.getCas());
    assertEquals(VALUE, TRANSCODER.decode(getResult.getValue()));
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMTPUtils.java

License:Apache License

/**
 * Helper to encode a zmtp length field/*from ww  w . jav a2 s.  c  o  m*/
 */
static public void encodeLength(final long size, final ByteBuf out, boolean forceLong) {
    if (size < 255 && !forceLong) {

        // Encoded as a single byte
        out.writeByte((byte) size);
    } else {
        out.writeByte(0xFF);
        writeLong(out, size);
    }
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMTPUtils.java

License:Apache License

static void encodeZMTP2FrameHeader(final long size, final byte flags, final ByteBuf out) {
    if (size < 256) {
        out.writeByte(flags);
        out.writeByte((byte) size);
    } else {//from  w ww  . j  a v  a  2 s . co m
        out.writeByte(flags | 0x02);
        writeLong(out, size);
    }
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMTPUtils.java

License:Apache License

/**
 * Writes a ZMTP frame to a buffer./*from   ww w  .  j ava  2  s  . com*/
 *
 * @param frame  The frame to write.
 * @param buffer The target buffer.
 * @param more   True to write a more flag, false to write a final flag.
 */
public static void writeFrame(final ZMTPFrame frame, final ByteBuf buffer, final boolean more,
        final int version) {
    if (version == 1) {
        encodeLength(frame.size() + 1, buffer);
        buffer.writeByte(more ? MORE_FLAG : FINAL_FLAG);
    } else { // version == 2
        encodeZMTP2FrameHeader(frame.size(), more ? MORE_FLAG : FINAL_FLAG, buffer);
    }
    if (frame.hasData()) {
        //      final ByteBuf source = frame.getDataBuffer();
        byte[] data = frame.getData();
        buffer.ensureWritable(data.length);

        buffer.writeBytes(data);
        //      source.getBytes(source.readerIndex(), buffer, source.readableBytes());
    }
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.CustomReqRepBenchmark.java

License:Apache License

private static void writeAscii(final ZMTPWriter writer, final CharSequence s) {
    final ByteBuf frame = writer.frame(s.length(), true);
    if (s instanceof AsciiString) {
        ((AsciiString) s).write(frame);/*  w  ww.j  a  v a  2  s.  c o m*/
    } else {
        for (int i = 0; i < s.length(); i++) {
            frame.writeByte(s.charAt(i));
        }
    }
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.CustomReqRepBenchmark.java

License:Apache License

private static void writePayload(final ZMTPWriter writer, final ByteBuffer payload) {
    final ByteBuf buf = writer.frame(payload.remaining(), false);
    if (payload.hasArray()) {
        buf.writeBytes(payload.array(), payload.arrayOffset() + payload.position(), payload.remaining());
    } else {/*from  ww  w .j ava2 s  . co m*/
        final int pos = payload.position();
        for (int i = 0; i < payload.remaining(); i++) {
            buf.writeByte(payload.get(pos + i));
        }
        payload.position(pos);
    }
}

From source file:com.spotify.netty4.handler.codec.zmtp.ProtocolViolationTests.java

License:Apache License

@Theory
public void protocolErrorsCauseException(@TestedOn(ints = { 16, 17, 27, 32, 48, 53 }) final int payloadSize)
        throws Exception {
    final Bootstrap b = new Bootstrap();
    b.group(new NioEventLoopGroup());
    b.channel(NioSocketChannel.class);
    b.handler(new ChannelInitializer<NioSocketChannel>() {
        @Override//from   w  w w  .  j  av a 2 s  .  c o  m
        protected void initChannel(final NioSocketChannel ch) throws Exception {
            ch.pipeline().addLast(new MockHandler());
        }
    });

    final Channel channel = b.connect(serverAddress).awaitUninterruptibly().channel();

    final ByteBuf payload = Unpooled.buffer(payloadSize);
    for (int i = 0; i < payloadSize; i++) {
        payload.writeByte(0);
    }
    channel.writeAndFlush(payload);

    mockHandler.active.get(5, SECONDS);
    mockHandler.exception.get(5, SECONDS);
    mockHandler.inactive.get(5, SECONDS);
    assertFalse(mockHandler.handshaked);
    assertFalse(mockHandler.read);
}

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP10WireFormat.java

License:Apache License

/**
 * Write a ZMTP/1.0 frame length./*from w w  w . j  a  va2 s .c  o  m*/
 *
 * @param out       Target buffer.
 * @param maxLength The maximum length of the field.
 * @param length    The length.
 */
static void writeLength(final ByteBuf out, final long maxLength, final long length) {
    if (maxLength < 255) {
        out.writeByte((byte) length);
    } else {
        out.writeByte(0xFF);
        out.writeLong(length);
    }
}