mirror of
https://github.com/livekit/livekit.git
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f74144846b
* use negotiated data channel in migration case * create subscriber data track after migration * fix participant state update * add participant leave log * update protocol
100 lines
3.3 KiB
Go
100 lines
3.3 KiB
Go
package rtc
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import (
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"github.com/livekit/protocol/livekit"
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"github.com/livekit/protocol/logger"
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"github.com/livekit/livekit-server/pkg/rtc/types"
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)
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func HandleParticipantSignal(room types.Room, participant types.LocalParticipant, req *livekit.SignalRequest, pLogger logger.Logger) error {
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switch msg := req.Message.(type) {
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case *livekit.SignalRequest_Offer:
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_, err := participant.HandleOffer(FromProtoSessionDescription(msg.Offer))
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if err != nil {
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pLogger.Errorw("could not handle offer", err)
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return err
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}
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case *livekit.SignalRequest_AddTrack:
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pLogger.Debugw("add track request", "trackID", msg.AddTrack.Cid)
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participant.AddTrack(msg.AddTrack)
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case *livekit.SignalRequest_Answer:
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sd := FromProtoSessionDescription(msg.Answer)
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if err := participant.HandleAnswer(sd); err != nil {
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pLogger.Errorw("could not handle answer", err)
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// connection cannot be successful if we can't answer
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return err
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}
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case *livekit.SignalRequest_Trickle:
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candidateInit, err := FromProtoTrickle(msg.Trickle)
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if err != nil {
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pLogger.Warnw("could not decode trickle", err)
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return nil
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}
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if err := participant.AddICECandidate(candidateInit, msg.Trickle.Target); err != nil {
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pLogger.Warnw("could not handle trickle", err)
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}
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case *livekit.SignalRequest_Mute:
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participant.SetTrackMuted(livekit.TrackID(msg.Mute.Sid), msg.Mute.Muted, false)
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case *livekit.SignalRequest_Subscription:
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var err error
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if participant.CanSubscribe() {
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updateErr := room.UpdateSubscriptions(
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participant,
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livekit.StringsAsTrackIDs(msg.Subscription.TrackSids),
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msg.Subscription.ParticipantTracks,
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msg.Subscription.Subscribe,
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)
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if updateErr != nil {
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err = updateErr
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}
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} else {
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err = ErrCannotSubscribe
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}
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if err != nil {
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pLogger.Warnw("could not update subscription", err,
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"tracks", msg.Subscription.TrackSids,
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"subscribe", msg.Subscription.Subscribe)
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}
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case *livekit.SignalRequest_TrackSetting:
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for _, sid := range livekit.StringsAsTrackIDs(msg.TrackSetting.TrackSids) {
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err := participant.UpdateSubscribedTrackSettings(sid, msg.TrackSetting)
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if err != nil {
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pLogger.Errorw("failed to update subscribed track settings", err, "trackID", sid)
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continue
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}
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pLogger.Debugw("updated subscribed track settings", "trackID", sid, "settings", msg.TrackSetting)
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}
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case *livekit.SignalRequest_UpdateLayers:
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err := room.UpdateVideoLayers(participant, msg.UpdateLayers)
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if err != nil {
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pLogger.Warnw("could not update video layers", err,
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"update", msg.UpdateLayers)
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return nil
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}
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case *livekit.SignalRequest_Leave:
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pLogger.Infow("client leaving room")
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_ = participant.Close(true)
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case *livekit.SignalRequest_SubscriptionPermission:
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err := room.UpdateSubscriptionPermission(participant, msg.SubscriptionPermission)
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if err != nil {
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pLogger.Warnw("could not update subscription permission", err,
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"permissions", msg.SubscriptionPermission)
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}
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case *livekit.SignalRequest_SyncState:
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err := room.SyncState(participant, msg.SyncState)
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if err != nil {
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pLogger.Warnw("could not sync subscribe state", err,
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"state", msg.SyncState)
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}
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case *livekit.SignalRequest_Simulate:
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err := room.SimulateScenario(participant, msg.Simulate)
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if err != nil {
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pLogger.Warnw("could not simulate scenario", err,
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"simulate", msg.Simulate)
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}
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}
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return nil
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}
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