Example usage for io.netty.buffer ByteBuf setBytes

Introduction

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

Prototype

public abstract ByteBuf setBytes(int index, ByteBuffer src);

Source Link

Document

Transfers the specified source buffer's data to this buffer starting at the specified absolute index until the source buffer's position reaches its limit.

Usage

From source file:org.glassfish.jersey.netty.connector.internal.JerseyChunkedInput.java

License:Open Source License

@Override
public ByteBuf readChunk(ByteBufAllocator allocator) throws Exception {

    if (!open) {/*  w ww.  j a va2s .c  o m*/
        return null;
    }

    ByteBuffer top = queue.poll(READ_TIMEOUT, TimeUnit.MILLISECONDS);

    if (top == null) {
        // returning empty buffer instead of null causes flush (which is needed for BroadcasterTest and others..).
        return Unpooled.EMPTY_BUFFER;
    }

    if (top == VOID) {
        open = false;
        return null;
    }

    int topRemaining = top.remaining();
    ByteBuf buffer = allocator.buffer(topRemaining);

    buffer.setBytes(0, top);
    buffer.setIndex(0, topRemaining);

    if (top.remaining() > 0) {
        queue.addFirst(top);
    }

    offset += topRemaining;

    return buffer;
}

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From source file:org.kaazing.messaging.driver.transport.netty.tcp.NettySendingTransport.java

License:Apache License

private ChannelFuture writeAndFlush(DriverMessage driverMessage) {
    //TODO(JAF): Figure out why multiple sends are getting condensed down to a single send
    ByteBuf nettyMessage = tlNettyMessage.get();
    nettyMessage.retain();/*from  ww w. j a v  a2  s .  c o  m*/

    //TODO(JAF): Avoid making a new byte array with each send
    byte[] bytesToSend = new byte[driverMessage.getBufferLength()];
    driverMessage.getBuffer().getBytes(driverMessage.getBufferOffset(), bytesToSend);
    nettyMessage.setBytes(0, bytesToSend);
    nettyMessage.writerIndex(bytesToSend.length);

    return sendingChannel.writeAndFlush(nettyMessage);
}

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From source file:org.l2junity.loginserver.network.client.crypt.Crypt.java

License:Open Source License

@Override
public void encrypt(ByteBuf buf) {
    // Ensure that byte order is little endian because we set new packet size in first 2 bytes
    if (buf.order() != ByteOrder.LITTLE_ENDIAN) {
        buf = buf.order(ByteOrder.LITTLE_ENDIAN);
    }//from ww w  . ja  v  a2 s .  c o  m

    // Checksum & XOR Key or Checksum only
    buf.writeZero(_static ? 8 : 4);

    // Padding
    buf.writeZero(8 - (buf.readableBytes() % 8));

    if (_static) {
        _static = false;

        int key = Rnd.nextInt();
        buf.skipBytes(4); // The first 4 bytes are ignored
        while (buf.readerIndex() < (buf.writerIndex() - 8)) {
            int data = buf.readInt();
            key += data;
            data ^= key;
            buf.setInt(buf.readerIndex() - 4, data);
        }
        buf.setInt(buf.readerIndex(), key);

        buf.resetReaderIndex();

        final byte[] block = new byte[8];
        while (buf.isReadable(8)) {
            buf.readBytes(block);
            STATIC_BLOWFISH_ENGINE.encryptBlock(block, 0);
            buf.setBytes(buf.readerIndex() - block.length, block);
        }
    } else {
        int checksum = 0;
        while (buf.isReadable(8)) {
            checksum ^= buf.readInt();
        }
        buf.setInt(buf.readerIndex(), checksum);

        buf.resetReaderIndex();

        final byte[] block = new byte[8];
        while (buf.isReadable(8)) {
            buf.readBytes(block);
            _blowfishEngine.encryptBlock(block, 0);
            buf.setBytes(buf.readerIndex() - block.length, block);
        }
    }
}

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From source file:org.l2junity.loginserver.network.client.crypt.Crypt.java

License:Open Source License

@Override
public void decrypt(ByteBuf buf) {
    // Packet size must be multiple of 8
    if ((buf.readableBytes() % 8) != 0) {
        buf.clear();//from  www  .  ja v  a2 s .  c  o  m
        return;
    }

    final byte[] block = new byte[8];
    while (buf.isReadable(8)) {
        buf.readBytes(block);
        _blowfishEngine.decryptBlock(block, 0);
        buf.setBytes(buf.readerIndex() - block.length, block);
    }

    // verify checksum also dont forget!
}

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