Prioritize TURN servers according to they relay protocol

pion · Nov 22, 2023 · f7a98e2 · f7a98e2
1 parent 1c68365
commit f7a98e2
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/candidate_relay.go b/candidate_relay.go
@@ -70,6 +70,22 @@ func NewCandidateRelay(config *CandidateRelayConfig) (*CandidateRelay, error) {
 	}, nil
 }
 
+func (c *CandidateRelay) LocalPreference() uint16 {
+	relayPreference := uint16(0)
+	switch c.relayProtocol {
+	case "tls":
+	case "dtls":
+		relayPreference = 2
+	case tcp:
+		relayPreference = 1
+	case udp:
+	default:
+		relayPreference = 0
+	}
+
+	return c.candidateBase.LocalPreference() + relayPreference
+}
+
 // RelayProtocol returns the protocol used between the endpoint and the relay server.
 func (c *CandidateRelay) RelayProtocol() string {
 	return c.relayProtocol