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:org.tinygroup.nettyremote.codec.serialization.HessianEncoder.java

License:GNU General Public License

@Override
protected void encode(ChannelHandlerContext ctx, Serializable msg, ByteBuf out) throws Exception {
    int startIdx = out.writerIndex();

    ByteBufOutputStream bout = new ByteBufOutputStream(out);
    bout.write(LENGTH_PLACEHOLDER);//from  w w w. ja va2s . c  o  m
    //        ObjectOutputStream oout = new CompactObjectOutputStream(bout);
    //        oout.writeObject(msg);
    //        oout.flush();
    //        oout.close();
    SerializerFactory serializerFactory = new SerializerFactory();
    serializerFactory.addFactory(new BigDecimalSerializerFactory());
    HessianOutput hout = new HessianOutput(bout);
    hout.setSerializerFactory(serializerFactory);
    hout.writeObject(msg);
    int endIdx = out.writerIndex();

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

From source file:ru.jts_dev.authserver.util.Encoder.java

License:Open Source License

public ByteBuf encWithXor(ByteBuf buf) {
    if (buf.readableBytes() % 4 != 0) {
        throw new IndexOutOfBoundsException("ByteBuf size must be multiply of 4");
    }/*from   www .  j a va 2 s . c  o m*/
    int edx;
    int ecx = 0; // Initial xor key

    buf.writeLong(random.nextLong()); // 8 bytes padding

    for (int pos = 4; pos < buf.readableBytes(); pos += 4) {
        edx = buf.getInt(pos);

        ecx += edx;
        edx ^= ecx;

        buf.setInt(pos, edx);
    }
    buf.writeInt(ecx);

    buf.writeInt(random.nextInt()); // 4 bytes for blowfish block

    return buf;
}

From source file:ru.jts_dev.gameserver.util.Encoder.java

License:Open Source License

@Transformer
public ByteBuf decrypt(ByteBuf data, @Header(CONNECTION_ID) String connectionId) {
    GameSession gameSession = sessionService.getSessionBy(connectionId);

    assert gameSession != null : "GameSession for " + connectionId + " does not exist";

    ByteBuf key = gameSession.getDecryptKey();

    int temp = 0;
    for (int i = 0; i < data.readableBytes(); i++) {
        final int temp2 = data.getUnsignedByte(i);
        data.setByte(i, (byte) (temp2 ^ key.getByte(i & 15) ^ temp));
        temp = temp2;//from   w  ww.j  a  v a2 s  .  co m
    }

    int old = key.getInt(8);
    old += data.readableBytes();

    key.setInt(8, old);

    return data;
}

From source file:ru.jts_dev.gameserver.util.Encoder.java

License:Open Source License

@Transformer
public ByteBuf encrypt(ByteBuf data, @Header(CONNECTION_ID) String connectionId) {
    GameSession gameSession = sessionService.getSessionBy(connectionId);

    assert gameSession != null : "GameSession for " + connectionId + " does not exist";

    ByteBuf key = gameSession.getEncryptKey();

    int temp = 0;
    for (int i = 0; i < data.readableBytes(); i++) {
        int temp2 = data.getUnsignedByte(data.readerIndex() + i);
        temp = temp2 ^ key.getByte(i & 15) ^ temp;
        data.setByte(data.readerIndex() + i, (byte) temp);
    }//from   w  w w .  ja v  a  2s. c  o  m

    int old = key.getInt(8);
    old += data.readableBytes();

    key.setInt(8, old);

    return data;
}

From source file:util.MarshallingEncoder.java

protected void encode(Object msg, ByteBuf out) throws Exception {
    try {/*from w w w . ja  v  a  2  s  .co  m*/
        int lengthPos = out.writerIndex();
        out.writeBytes(LENGTH_PLACEHOLDER);

        ByteOutput output = new ChannelBufferByteOutput(out);
        marshaller.start(output);
        marshaller.writeObject(msg);
        marshaller.finish();

        out.setInt(lengthPos, out.writerIndex() - lengthPos - 4);
    } finally {
        marshaller.close();
    } //try-finally
}

From source file:util.NettyMessageEncoder.java

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, List<Object> list) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");

    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  w  w  . j  a v a 2s. 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);

}