Example usage for io.netty.buffer ByteBuf readInt

Introduction

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

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.zaradai.distributor.messaging.netty.InetSocketAddressSerializer.java

License:Apache License

public static InetSocketAddress deserialize(ByteBuf in) throws UnknownHostException {
    int length = in.readInt();
    byte[] bytes = new byte[length];
    in.readBytes(bytes);//  w  w w . j  ava  2  s.  c om

    InetAddress inetAddress = InetAddress.getByAddress(bytes);
    // read port and return
    return new InetSocketAddress(inetAddress, in.readInt());
}

From source file:com.zxcc.socket.protobuf.ProtobufVarint32FrameDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    in.markReaderIndex();//ww w.j a va  2 s . c  o  m
    int bufLenght = 0;
    if (!in.isReadable()) {
        in.resetReaderIndex();
        return;
    }

    if (in.readableBytes() < 4) {
        in.resetReaderIndex();
        return;
    }

    bufLenght = in.readInt();
    if (bufLenght < 0) {
        throw new CorruptedFrameException("negative length: " + bufLenght);
    }

    if (in.readableBytes() < bufLenght) {
        in.resetReaderIndex();
        return;
    } else {
        out.add(in.readBytes(bufLenght));
        return;
    }
}

From source file:com.zz.learning.netty5.chap12.codec.MarshallingDecoder.java

License:Apache License

/**
 * ??//w ww.  j  a  v a 2  s.c  om
 * @param in
 * @return
 * @throws Exception
 */
protected Object decode(ByteBuf in) throws Exception {
    int objectSize = in.readInt();
    /*
     * ?ByteBuf??
     */
    ByteBuf buf = in.slice(in.readerIndex(), objectSize);
    ByteInput input = new ChannelBufferByteInput(buf);
    try {
        unmarshaller.start(input);
        Object obj = unmarshaller.readObject();
        unmarshaller.finish();
        in.readerIndex(in.readerIndex() + objectSize); //
        return obj;
    } finally {
        unmarshaller.close();
    }
}

From source file:com.zz.learning.netty5.chap12.codec.NettyMessageDecoder.java

License:Apache License

@Override
protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    ByteBuf frame = (ByteBuf) super.decode(ctx, in);
    if (frame == null) {
        return null;
    }/*from   w ww .  j  av a 2 s  .  c o  m*/

    NettyMessage message = new NettyMessage();
    Header header = new Header();
    header.setCrcCode(frame.readInt());
    header.setLength(frame.readInt());
    header.setSessionID(frame.readLong());
    header.setType(frame.readByte());
    header.setPriority(frame.readByte());

    int size = frame.readInt(); // attachment
    if (size > 0) {
        Map<String, Object> attch = new HashMap<String, Object>(size);
        int keySize = 0;
        byte[] keyArray = null;
        String key = null;
        for (int i = 0; i < size; i++) {
            keySize = frame.readInt(); // key
            keyArray = new byte[keySize];
            frame.readBytes(keyArray);
            key = new String(keyArray, "UTF-8");
            attch.put(key, marshallingDecoder.decode(frame));
        }
        keyArray = null;
        key = null;
        header.setAttachment(attch);
    }
    if (frame.readableBytes() > 4) {
        //?4??0
        message.setBody(marshallingDecoder.decode(frame));
    }
    message.setHeader(header);
    return message;
}

From source file:cubicchunks.network.PacketColumn.java

License:MIT License

@Override
public void fromBytes(ByteBuf buf) {
    this.chunkPos = new ChunkPos(buf.readInt(), buf.readInt());
    this.data = new byte[buf.readInt()];
    buf.readBytes(this.data);
}

From source file:cubicchunks.network.PacketCube.java

License:MIT License

@Override
public void fromBytes(ByteBuf buf) {
    this.cubePos = new CubePos(buf.readInt(), buf.readInt(), buf.readInt());
    this.data = new byte[buf.readInt()];
    buf.readBytes(this.data);
    int numTiles = buf.readInt();
    this.tileEntityTags = new ArrayList<>(numTiles);
    for (int i = 0; i < numTiles; i++) {
        this.tileEntityTags.add(ByteBufUtils.readTag(buf));
    }//  w w  w. j av  a2 s.  co  m
}

From source file:cubicchunks.network.PacketCubeBlockChange.java

License:MIT License

@SuppressWarnings("deprecation") // Forge thinks we are trying to register a block or something :P
@Override/* w ww. j a  v  a 2s  .  c  om*/
public void fromBytes(ByteBuf in) {
    this.cubePos = new CubePos(in.readInt(), in.readInt(), in.readInt());
    short numBlocks = in.readShort();
    localAddresses = new short[numBlocks];
    blockStates = new IBlockState[numBlocks];

    for (int i = 0; i < numBlocks; i++) {
        localAddresses[i] = in.readShort();
        blockStates[i] = Block.BLOCK_STATE_IDS.getByValue(readVarInt(in, 4));
    }
    int numHmapChanges = in.readUnsignedByte();
    heightValues = new int[numHmapChanges];
    for (int i = 0; i < numHmapChanges; i++) {
        heightValues[i] = in.readInt();
    }
}

From source file:cubicchunks.network.PacketUnloadColumn.java

License:MIT License

@Override
public void fromBytes(ByteBuf buf) {
    this.chunkPos = new ChunkPos(buf.readInt(), buf.readInt());
}

From source file:cubicchunks.network.PacketUnloadCube.java

License:MIT License

@Override
public void fromBytes(ByteBuf in) {
    this.cubePos = new CubePos(in.readInt(), in.readInt(), in.readInt());
}

From source file:dan200.qcraft.shared.QCraftPacket.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buffer) {
    packetType = buffer.readByte();/*from   w  w  w.  j a  v  a2s  .c  om*/
    byte nString = buffer.readByte();
    byte nInt = buffer.readByte();
    int nByte = buffer.readInt();
    if (nString == 0) {
        dataString = null;
    } else {
        dataString = new String[nString];
        for (int k = 0; k < nString; k++) {
            if (buffer.readBoolean()) {
                int len = buffer.readInt();
                byte[] b = new byte[len];
                buffer.readBytes(b);
                try {
                    dataString[k] = new String(b, "UTF-8");
                } catch (UnsupportedEncodingException e) {
                    dataString[k] = null;
                }
            }
        }
    }
    if (nInt == 0) {
        dataInt = null;
    } else {
        dataInt = new int[nInt];
        for (int k = 0; k < nInt; k++) {
            dataInt[k] = buffer.readInt();
        }
    }
    if (nByte == 0) {
        dataByte = null;
    } else {
        dataByte = new byte[nByte][];
        for (int k = 0; k < nByte; k++) {
            int length = buffer.readInt();
            if (length > 0) {
                dataByte[k] = new byte[length];
                buffer.getBytes(buffer.readerIndex(), dataByte[k]);
            }
        }
    }
}