transport

type AddrEx struct {
	Domain string
	IPAddr *net.IPAddr
	Port   int
}

type ClientTransport struct {
	Dialer            *net.Dialer
	ResolvePreference ResolvePreference
}

type ResolvePreference int

type SOCKS5Client struct {
	ServerTCPAddr *net.TCPAddr
	Username      string
	Password      string
	NegTimeout    time.Duration
}

type STPacketConn interface {
	ReadFrom([]byte) (int, *net.UDPAddr, error)
	WriteTo([]byte, *AddrEx) (int, error)
	Close() error
}

type ServerTransport struct {
	Dialer            *net.Dialer
	SOCKS5Client      *SOCKS5Client
	ResolvePreference ResolvePreference
	LocalUDPAddr      *net.UDPAddr
	LocalUDPIntf      *net.Interface
}