Imports github.com/gorilla/websocket github.com/peterbourgon/ff/v3/ffcli Imports in module “github.com/natanbc/ssc0904-nat-traversal” github.com/natanbc/ssc0904-nat-traversal/coord github.com/natanbc/ssc0904-nat-traversal/stun Standard library imports bufio context encoding/binary encoding/json flag fmt log math/rand net net/netip net/url os path sync time