const (
	UDPConnTrackTimeout = 90 * time.Second
	UDPBufSize          = 2048
)

type Proxy interface {
	// Start forwarding traffic back and forth the front and back-end
	// addresses.
	Run()
	// Stop forwarding traffic and close both ends of the Proxy.
	Close()
	// Return the address on which the proxy is listening.
	FrontendAddr() net.Addr
	// Return the proxied address.
	BackendAddr() net.Addr
}

type TCPProxy struct {
	// contains filtered or unexported fields
}

type UDPProxy struct {
	// contains filtered or unexported fields
}