webrtc

type AnswerStream interface {
	Next() (Signal, error)
	Close() error
}

type Offer interface {
	Info() Signal
	Answer(s Signal) error
}

type OfferStream interface {
	Next() (Offer, error)
	Close() error
}

type Signal struct {
	UID  string // optional user identifier to distinguish peers
	Data []byte // payload generated by WebRTC to establish connection
}

type Signalling interface {
	// Broadcast sends a peer discovery request.
	Broadcast(s Signal) (AnswerStream, error)
	// Listen starts listening for incoming peer discovery requests.
	Listen(uid string) (OfferStream, error)
}