Example usage for io.netty.buffer ByteBuf writeBytes

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

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Introduction

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

Prototype

public abstract ByteBuf writeBytes(ByteBuffer src);

Source Link

Document

Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes.

Usage

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testNextContentIncompleteBufferNotReset() throws MalformedMessageException {
    ByteBuf buf = Unpooled.buffer(2120207);
    buf.writeByte(0x82);//from  www .j  a v  a2s  .c  om
    buf.writeByte(0x8a);
    buf.writeByte(0xB4);
    buf.writeByte(0x81);
    buf.writeByte(0x01);
    buf.writeBytes(new byte[2120201]); // one byte missing in content
    try {
        MQParser.next(buf);
    } catch (MalformedMessageException e) {

    }
    assertEquals("buffer index was not reset", 0, buf.readerIndex());
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthOne() {
    ByteBuf buf = Unpooled.buffer(114);
    buf.writeByte(0x82);/*from w  w  w  .ja  v  a  2s.co m*/
    buf.writeByte(0x66);
    buf.writeShort(10);
    buf.writeShort(97);
    buf.writeBytes(new byte[96]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthTwo() {
    ByteBuf buf = Unpooled.buffer(205);
    buf.writeByte(0x82);//w w  w .j a v  a  2 s .  co  m
    buf.writeByte(0xCA);
    buf.writeByte(0x01);
    buf.writeShort(10);
    buf.writeShort(197);
    buf.writeBytes(new byte[196]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthThree() {
    ByteBuf buf = Unpooled.buffer(20206);
    buf.writeByte(0x82);//from  w w w  .java2s.co m
    buf.writeByte(0xEA);
    buf.writeByte(0x9D);
    buf.writeByte(0x01);
    buf.writeShort(10);
    buf.writeShort(20197);
    buf.writeBytes(new byte[20196]);
    buf.writeByte(1);
    buf.writeByte(0);
}

From source file:com.mobius.software.mqtt.parser.test.TestParser.java

License:Open Source License

@Test
public void testDecodeLengthFour() {
    ByteBuf buf = Unpooled.buffer(2097159);
    buf.writeByte(0x82);//from w ww  .  j a  va2  s .  c om
    buf.writeByte(0x82);
    buf.writeByte(0x80);
    buf.writeByte(0x80);
    buf.writeByte(0x01);
    buf.writeShort(10);
    for (int i = 0; i < 32; i++) {
        buf.writeShort(65533);
        buf.writeBytes(new byte[65532]);
        buf.writeByte(1);
        buf.writeByte(0);
    }
}

From source file:com.mobius.software.mqtt.performance.controller.net.Encoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, MQMessage msg, ByteBuf out) throws Exception {
    out.writeBytes(MQParser.encode(msg));
}

From source file:com.mpush.api.protocol.Packet.java

License:Apache License

public static void encodePacket(Packet packet, ByteBuf out) {
    if (packet.cmd == Command.HEARTBEAT.cmd) {
        out.writeByte(Packet.HB_PACKET_BYTE);
    } else {//from  ww w.j  ava 2 s.co  m
        out.writeInt(packet.getBodyLength());
        out.writeByte(packet.cmd);
        out.writeShort(packet.cc);
        out.writeByte(packet.flags);
        out.writeInt(packet.sessionId);
        out.writeByte(packet.lrc);
        if (packet.getBodyLength() > 0) {
            out.writeBytes(packet.body);
        }
    }
    packet.body = null;
}

From source file:com.mycompany.device.FFDevice.java

public FFDevice(SocketChannel ch) {
    this.req = null;
    this.soc = ch;
    this.data_rcv = soc.alloc().buffer(512);
    this.reg_str = "";
    this.connect_time = System.currentTimeMillis();

    ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(new IdleStateHandler(0, 0, idle_time_interval_s));
    pipeline.addLast(new MessageToByteEncoder<byte[]>() {
        @Override// w w  w.  j a  va  2s .com
        protected void encode(ChannelHandlerContext ctx, byte[] msg, ByteBuf out) throws Exception {
            // TODO Auto-generated method stub
            out.writeBytes(msg);
        }
    });
    pipeline.addLast(new ChannelInboundHandlerAdapter() {
        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
            // TODO Auto-generated method stub
            ByteBuf bb = (ByteBuf) msg;
            if (reg_str.equals("")) {
                reg_str = bb.toString(Charset.defaultCharset());
                FFServer.logger.info(String.format("device that has regs %s is registed", reg_str));
            } else {
                FFServer.logger.debug(String.format("%s receive: %d bytes", reg_str, bb.readableBytes()));
                data_rcv.writeBytes(bb);
            }
            ReferenceCountUtil.release(msg);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            // TODO Auto-generated method stub
            FFServer.logger.error(cause);
            Close();
        }

        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
            if (evt instanceof IdleStateEvent) {
                IdleStateEvent event = (IdleStateEvent) evt;
                if (event.state() == IdleState.ALL_IDLE) {
                    FFServer.logger.info(String.format("%s in idle state", reg_str));

                    ByteBuf hb = ctx.alloc().buffer(1).writeByte('.');
                    Send(hb);
                }
            }
        }
    });

    ChannelFuture f = soc.closeFuture();
    f.addListener((ChannelFutureListener) new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            is_closed = true;
            FFServer.logger.info(String.format("%s disconnected", reg_str));
        }
    });
}

From source file:com.nanxiaoqiang.test.netty.protocol.demo1.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");
    // Header Start
    sendBuf.writeInt((msg.getHeader().getCrcCode()));// crc
    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;//from   www  . j a  va  2s . co m
    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;
    // Head End

    // Body Start
    if (msg.getBody() != null) {// ?
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        // ?
        sendBuf.writeInt(0);// 0int
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);// 0~3CRC4~7??8?
}

From source file:com.navercorp.nbasearc.gcp.Pipeline.java

License:Apache License

ByteBuf aggregate(ByteBufAllocator allocator) {

    if (requests.isEmpty()) {
        return null;
    }//from ww w. j av a 2 s  .  co  m

    /* aggregate */
    ByteBuf buf = allocator.ioBuffer(INITIAL_CAPACITY);

    while (true) {
        Request rqst = requests.poll();
        if (rqst == null) {
            break;
        }

        rqst.setState(Request.State.SENT);
        buf.writeBytes(rqst.getCommand());
        sent.add(rqst);

        if (SOCKET_BUFFER_SIZE <= buf.readableBytes()) {
            break;
        }
    }

    return buf;
}