@Override
    public void process(ByteBuffer buffer) throws IOException {
        if (mTunnel != null) {
            mTunnel.write(buffer);
        }
    }
A client requester, it connects to the remote server tunnel directly. We can send packet to the
remote server using {@link #process(ByteBuffer)}.

@author Megatron King
@since 2018-11-05 22:18
netbare-core/src/main/java/com/github/megatronking/netbare/gateway/Request.java