Joins a multicast group.
The multicast address should be in the format:
IP@INTERFACE
With '@INTERFACE' being optional, such as:
224.0.0.1 - use any interface (ie: 0.0.0.0) 224.0.0.1@0.0.0.0 224.0.0.1@192.168.0.1 - use the interface assigned to 192.168.0.1 ff02::1@0 - use any interface ff02::1@1 - use loopback interface (idx=1)
multicast_join { params { @in address: string; } return: Eina.Error; }
Eina_Error efl_net_socket_udp_multicast_join(Eo *obj, const char *address);