@@ -221,19 +221,35 @@ func (c *Conn) init() error {
221221}
222222}
223223})
224+
225+ // These functions need to check if the conn is closed, because they can be
226+ // called after being closed.
224227c .rtc .OnSignalingStateChange (func (signalState webrtc.SignalingState ) {
228+ if c .isClosed () {
229+ return
230+ }
225231c .opts .Logger .Debug (context .Background (),"signaling state updated" ,
226232slog .F ("state" ,signalState ))
227233})
228234c .rtc .SCTP ().Transport ().OnStateChange (func (dtlsTransportState webrtc.DTLSTransportState ) {
235+ if c .isClosed () {
236+ return
237+ }
229238c .opts .Logger .Debug (context .Background (),"dtls transport state updated" ,
230239slog .F ("state" ,dtlsTransportState ))
231240})
232241c .rtc .SCTP ().Transport ().ICETransport ().OnSelectedCandidatePairChange (func (candidatePair * webrtc.ICECandidatePair ) {
242+ if c .isClosed () {
243+ return
244+ }
233245c .opts .Logger .Debug (context .Background (),"selected candidate pair changed" ,
234246slog .F ("local" ,candidatePair .Local ),slog .F ("remote" ,candidatePair .Remote ))
235247})
236248c .rtc .OnICECandidate (func (iceCandidate * webrtc.ICECandidate ) {
249+ if c .isClosed () {
250+ return
251+ }
252+
237253if iceCandidate == nil {
238254return
239255}