mirror of
https://github.com/livekit/livekit.git
synced 2026-04-01 17:25:46 +00:00
faa870de3d
* move callbacks out of messageRouter * OCD * more OCD * fix forwarder test * even more OCD * maximum OCD * package name collision, copy lock by value
81 lines
2.6 KiB
Go
81 lines
2.6 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.Participant, 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", "track", 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(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(participant, msg.Subscription.TrackSids, msg.Subscription.Subscribe)
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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 msg.TrackSetting.TrackSids {
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subTrack := participant.GetSubscribedTrack(sid)
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if subTrack == nil {
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pLogger.Warnw("unable to find SubscribedTrack", nil,
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"track", sid)
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continue
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}
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// find quality for published track
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pLogger.Debugw("updating track settings",
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"settings", msg.TrackSetting)
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subTrack.UpdateSubscriberSettings(msg.TrackSetting)
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}
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case *livekit.SignalRequest_UpdateLayers:
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track := participant.GetPublishedTrack(msg.UpdateLayers.TrackSid)
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if track == nil {
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pLogger.Warnw("could not find published track", nil,
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"track", msg.UpdateLayers.TrackSid)
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return nil
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}
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track.UpdateVideoLayers(msg.UpdateLayers.Layers)
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case *livekit.SignalRequest_Leave:
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_ = participant.Close()
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}
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return nil
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}
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