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Stop using OnIceComplete in server-webrtc

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Similar to c28c8ca for proxy-goc
This commit is contained in:
Arlo Breault 2019-05-14 16:36:27 -04:00
parent 2e4383434f
commit d7676d2b9e
1 changed files with 14 additions and 28 deletions
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42
server-webrtc/snowflake.go
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@ -113,9 +113,6 @@ func datachannelHandler(conn *webRTCConn) {
// Installs an OnDataChannel callback that creates a webRTCConn and passes it to
// datachannelHandler.
func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, config *webrtc.Configuration) (*webrtc.PeerConnection, error) {
errChan := make(chan error)
answerChan := make(chan struct{})
pc, err := webrtc.NewPeerConnection(config)
if err != nil {
return nil, fmt.Errorf("accept: NewPeerConnection: %s", err)
@ -123,9 +120,6 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, config *webrtc.
pc.OnNegotiationNeeded = func() {
panic("OnNegotiationNeeded")
}
pc.OnIceComplete = func() {
answerChan <- struct{}{}
}
pc.OnDataChannel = func(dc *webrtc.DataChannel) {
log.Println("OnDataChannel")
@ -164,30 +158,22 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, config *webrtc.
}
log.Println("sdp offer successfully received.")
go func() {
log.Println("Generating answer...")
answer, err := pc.CreateAnswer() // blocking
if err != nil {
errChan <- err
return
}
err = pc.SetLocalDescription(answer)
if err != nil {
errChan <- err
return
}
}()
// Wait until answer is ready.
select {
case err = <-errChan:
log.Println("Generating answer...")
answer, err := pc.CreateAnswer()
if err != nil {
pc.Destroy()
return nil, err
}
if answer == nil {
pc.Destroy()
return nil, fmt.Errorf("Failed gathering ICE candidates.")
}
err = pc.SetLocalDescription(answer)
if err != nil {
pc.Destroy()
return nil, err
case _, ok := <-answerChan:
if !ok {
pc.Destroy()
return nil, fmt.Errorf("Failed gathering ICE candidates.")
}
}
return pc, nil