Example usage for io.netty.buffer ByteBuf setInt

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

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Introduction

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

Prototype

public abstract ByteBuf setInt(int index, int value);

Source Link

Document

Sets the specified 32-bit integer at the specified absolute index in this buffer.

Usage

From source file:books.netty.protocol.netty.codec.MarshallingEncoder.java

License:Apache License

protected void encode(Object msg, ByteBuf out) throws Exception {
    try {/* w  ww  . j a v  a  2  s  .c om*/
        int lengthPos = out.writerIndex();
        out.writeBytes(LENGTH_PLACEHOLDER);
        ChannelBufferByteOutput output = new ChannelBufferByteOutput(out);
        marshaller.start(output);
        marshaller.writeObject(msg);
        marshaller.finish();
        out.setInt(lengthPos, out.writerIndex() - lengthPos - 4);
    } finally {
        marshaller.close();
    }
}

From source file:books.netty.protocol.netty.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");
    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;// w  w w.  j a v a2s  . c  o  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;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}

From source file:books.netty.protocol.netty.codec.TestCodeC.java

License:Apache License

public ByteBuf encode(NettyMessage msg) throws Exception {
    ByteBuf sendBuf = Unpooled.buffer();
    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;/*from   w  ww.  j a  v  a 2 s  . c o  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;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes());
    return sendBuf;
}

From source file:com.book.netty5.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");
    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;//from w w  w.ja va  2  s.  com
    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);
}

From source file:com.dc.gameserver.ServerCore.Controller.AbstractController.AbstractController.java

License:Apache License

/**
 *  4/*from   w  w w  .java 2s .c om*/
 *
 * @param ID          ??
 * @param messageLite
 * @return
 */
public static ByteBuf wrappedBufferInt(int ID, MessageLite messageLite) {
    byte[] src = messageLite.toByteArray();
    int length = 8 + src.length;
    ByteBuf buffer = PooledByteBufAllocator.DEFAULT.heapBuffer(length, length);
    buffer.setIndex(0, 0x4);//writeIndex? //4
    buffer.writeByte(ID); // 4
    buffer.writeBytes(messageLite.toByteArray());
    buffer.setInt(0, buffer.writerIndex() - 0x4);
    messageLite = null;
    return buffer;
}

From source file:com.dc.gameserver.ServerCore.Controller.AbstractController.AbstractController.java

License:Apache License

/**
 * ??       </br>//w w w.  ja va2  s.c  o m
 * Encoder buffer          </br>
 * ?4    </br>
 * proto buffer     </br>
 *          </br>
 *
 * @param arg1
 * @param arg2
 * @param messageLite
 * @return + ID+protoBufferData
 */
public static ByteBuf wrappedBufferInt(int arg1, int arg2, MessageLite messageLite) {
    byte[] src = messageLite.toByteArray();
    int length = 12 + src.length;
    ByteBuf buffer = PooledByteBufAllocator.DEFAULT.heapBuffer(length, length);
    buffer.setIndex(0, 0x4);//writeIndex? //4
    buffer.writeByte(arg1); // 4
    buffer.writeByte(arg2); // 4
    buffer.writeBytes(messageLite.toByteArray());
    buffer.setInt(0, buffer.writerIndex() - 0x4);
    messageLite = null;
    return buffer;
}

From source file:com.dianping.cat.message.spi.codec.NativeMessageCodec.java

License:Open Source License

@Override
public ByteBuf encode(MessageTree tree) {
    ByteBuf buf = PooledByteBufAllocator.DEFAULT.buffer(4 * 1024);

    try {//from  w w  w .j a v a 2  s  .co  m
        Context ctx = new Context(tree);

        buf.writeInt(0); // place-holder

        Codec.HEADER.encode(ctx, buf, null);

        Message msg = tree.getMessage();

        if (msg != null) {
            encodeMessage(ctx, buf, msg);
        }
        int readableBytes = buf.readableBytes();

        buf.setInt(0, readableBytes - 4); // reset the message size

        return buf;
    } catch (RuntimeException e) {
        buf.release();

        throw e;
    }
}

From source file:com.ebay.jetstream.messaging.transport.netty.serializer.KryoObjectEncoder.java

License:MIT License

@Override
protected void encode(ChannelHandlerContext ctx, Serializable msg, ByteBuf out) throws Exception {
    KryoContext kryoContext = kryoContextHolder.get();
    Kryo kryo = kryoContext.getKryo();/* w  w  w . ja va2s  .  c o m*/
    Output output = kryoContext.getOut();
    output.clear();
    ByteBufOutputStream bout = new ByteBufOutputStream(out);
    int startIdx = out.writerIndex();
    bout.write(LENGTH_PLACEHOLDER);
    output.setOutputStream(bout);
    output.writeByte(StreamMessageDecoder.KRYO_STREAM_VERSION);
    kryo.writeClassAndObject(output, msg);
    output.flush();
    bout.flush();
    bout.close();
    output.close();

    int endIdx = out.writerIndex();

    out.setInt(startIdx, endIdx - startIdx - 4);
}

From source file:com.github.milenkovicm.kafka.protocol.Convert.java

License:Apache License

public static void encodeInteger(int integer, ByteBuf buf, int pos) {
    buf.setInt(pos, integer);
}

From source file:com.heelenyc.im.coder.MessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Message msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");

    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;/*  w w w  . j av  a  2s. co m*/
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        // write key
        key = param.getKey();
        keyArray = key.getBytes(Constans.ATTACHMENT_KEY_CHARACTSET);
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        // write value
        value = param.getValue();
        encoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        encoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    int totalSize = sendBuf.readableBytes() - Constans.MESSAGE_LENGTH_FIELD_OFFSET
            - Constans.MESSAGE_LENGTH_FIELD_LENGTH;
    // fix head length field
    msg.getHeader().setLength(totalSize);
    // ?
    sendBuf.setInt(Constans.MESSAGE_LENGTH_FIELD_OFFSET, totalSize);
    logger.debug("encode :" + msg);
}