@Override public void channelInactive(ChannelHandlerContext ctx) throws Exception { slave.onChannelInactive(ctx); }
@Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { slave.onExceptionCaught(ctx, cause); }
@Override protected void channelRead0(ChannelHandlerContext ctx, ModbusTcpPayload msg) throws Exception { slave.onChannelRead(ctx, msg); }