package internet import ( "context" "net" "v2ray.com/core/common" ) type PacketHeader interface { Size() int32 Write([]byte) (int, error) } func CreatePacketHeader(config interface{}) (PacketHeader, error) { header, err := common.CreateObject(context.Background(), config) if err != nil { return nil, err } if h, ok := header.(PacketHeader); ok { return h, nil } return nil, newError("not a packet header") } type ConnectionAuthenticator interface { Client(net.Conn) net.Conn Server(net.Conn) net.Conn } func CreateConnectionAuthenticator(config interface{}) (ConnectionAuthenticator, error) { auth, err := common.CreateObject(context.Background(), config) if err != nil { return nil, err } if a, ok := auth.(ConnectionAuthenticator); ok { return a, nil } return nil, newError("not a ConnectionAuthenticator") }