增强检查通过UDP接收的IP地址是否为本地IP地址

How can I overpass the messages that comes through broadcast UDP from self? I need to overpass the udp requests that come from the same server(when sending broadcast). How can I obtain the curent IP address? Here is what I tried, but I get 127.0.1.1 which is not the IP address from the proper interface:How can I overpass the messages that comes thro