B ð ˆ–¡ý&õã@s^dZdZdZdZdZddlZddlZddlZddlZdd„Z d d „Z d d „Z e d krZe ƒdS)zÔ Send/receive UDP multicast packets. Requires that your OS kernel supports IP multicast. Usage: mcast -s (sender, IPv4) mcast -s -6 (sender, IPv6) mcast (receivers, IPv4) mcast -6 (receivers, IPv6) i»z 225.0.0.250z'ff15:7079:7468:6f6e:6465:6d6f:6d63:6173ééNcCsBdtjdd…krtnt}dtjdd…kr6t|ƒnt|ƒdS)Nz-6rz-s)ÚsysÚargvÚ MYGROUP_6Ú MYGROUP_4ÚsenderÚreceiver)Úgroup©r ú5/opt/alt/python37/lib64/python3.7/Tools/demo/mcast.pyÚmains r cCs¤t |d¡d}t |dtj¡}t dt¡}|dtjkrP| tjtj |¡n| tj tj |¡x s