package turbotunnel import ( "crypto/rand" "encoding/hex" ) // ClientID is an abstract identifier that binds together all the communications // belonging to a single client session, even though those communications may // arrive from multiple IP addresses or over multiple lower-level connections. // It plays the same role that an (IP address, port number) tuple plays in a // net.UDPConn: it's the return address pertaining to a long-lived abstract // client session. The client attaches its ClientID to each of its // communications, enabling the server to disambiguate requests among its many // clients. ClientID implements the net.Addr interface. type ClientID [8]byte func NewClientID() ClientID { var id ClientID _, err := rand.Read(id[:]) if err != nil { panic(err) } return id } func (id ClientID) Network() string { return "clientid" } func (id ClientID) String() string { return hex.EncodeToString(id[:]) }