fix circle import

client/internal/peer/signaler.go

@@ -0,0 +1,70 @@
+package peer
+
+import (
+	"github.com/pion/ice/v3"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	signal "github.com/netbirdio/netbird/signal/client"
+	sProto "github.com/netbirdio/netbird/signal/proto"
+)
+
+type Signaler struct {
+	signal       signal.Client
+	wgPrivateKey wgtypes.Key
+}
+
+func NewSignaler(signal signal.Client, wgPrivateKey wgtypes.Key) *Signaler {
+	return &Signaler{
+		signal:       signal,
+		wgPrivateKey: wgPrivateKey,
+	}
+}
+
+func (s *Signaler) SignalOffer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_OFFER)
+}
+
+func (s *Signaler) SignalAnswer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_ANSWER)
+}
+
+func (s *Signaler) SignalICECandidate(candidate ice.Candidate, remoteKey string) error {
+	return s.signal.Send(&sProto.Message{
+		Key:       s.wgPrivateKey.PublicKey().String(),
+		RemoteKey: remoteKey,
+		Body: &sProto.Body{
+			Type:    sProto.Body_CANDIDATE,
+			Payload: candidate.Marshal(),
+		},
+	})
+}
+
+func (s *Signaler) Ready() bool {
+	return s.signal.Ready()
+}
+
+// SignalOfferAnswer signals either an offer or an answer to remote peer
+func (s *Signaler) signalOfferAnswer(offerAnswer OfferAnswer, remoteKey string, bodyType sProto.Body_Type) error {
+	msg, err := signal.MarshalCredential(
+		s.wgPrivateKey,
+		offerAnswer.WgListenPort,
+		remoteKey,
+		&signal.Credential{
+			UFrag: offerAnswer.IceCredentials.UFrag,
+			Pwd:   offerAnswer.IceCredentials.Pwd,
+		},
+		bodyType,
+		offerAnswer.RosenpassPubKey,
+		offerAnswer.RosenpassAddr,
+		offerAnswer.RelaySrvAddress)
+	if err != nil {
+		return err
+	}
+
+	err = s.signal.Send(msg)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}