forked from livekit/livekit
/
signalhandler.go
83 lines (77 loc) · 2.99 KB
/
signalhandler.go
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package rtc
import (
"github.com/whoyao/protocol/livekit"
"github.com/whoyao/protocol/logger"
"github.com/whoyao/livekit/pkg/rtc/types"
)
func HandleParticipantSignal(room types.Room, participant types.LocalParticipant, req *livekit.SignalRequest, pLogger logger.Logger) error {
participant.UpdateLastSeenSignal()
switch msg := req.GetMessage().(type) {
case *livekit.SignalRequest_Offer:
participant.HandleOffer(FromProtoSessionDescription(msg.Offer))
case *livekit.SignalRequest_Answer:
participant.HandleAnswer(FromProtoSessionDescription(msg.Answer))
case *livekit.SignalRequest_Trickle:
candidateInit, err := FromProtoTrickle(msg.Trickle)
if err != nil {
pLogger.Warnw("could not decode trickle", err)
return nil
}
participant.AddICECandidate(candidateInit, msg.Trickle.Target)
case *livekit.SignalRequest_AddTrack:
pLogger.Debugw("add track request", "trackID", msg.AddTrack.Cid)
participant.AddTrack(msg.AddTrack)
case *livekit.SignalRequest_Mute:
participant.SetTrackMuted(livekit.TrackID(msg.Mute.Sid), msg.Mute.Muted, false)
case *livekit.SignalRequest_Subscription:
// allow participant to indicate their interest in the subscription
// permission check happens later in SubscriptionManager
room.UpdateSubscriptions(
participant,
livekit.StringsAsTrackIDs(msg.Subscription.TrackSids),
msg.Subscription.ParticipantTracks,
msg.Subscription.Subscribe,
)
case *livekit.SignalRequest_TrackSetting:
for _, sid := range livekit.StringsAsTrackIDs(msg.TrackSetting.TrackSids) {
participant.UpdateSubscribedTrackSettings(sid, msg.TrackSetting)
}
case *livekit.SignalRequest_Leave:
pLogger.Infow("client leaving room")
room.RemoveParticipant(participant.Identity(), participant.ID(), types.ParticipantCloseReasonClientRequestLeave)
case *livekit.SignalRequest_UpdateLayers:
err := room.UpdateVideoLayers(participant, msg.UpdateLayers)
if err != nil {
pLogger.Warnw("could not update video layers", err,
"update", msg.UpdateLayers)
return nil
}
case *livekit.SignalRequest_SubscriptionPermission:
err := room.UpdateSubscriptionPermission(participant, msg.SubscriptionPermission)
if err != nil {
pLogger.Warnw("could not update subscription permission", err,
"permissions", msg.SubscriptionPermission)
}
case *livekit.SignalRequest_SyncState:
err := room.SyncState(participant, msg.SyncState)
if err != nil {
pLogger.Warnw("could not sync state", err,
"state", msg.SyncState)
}
case *livekit.SignalRequest_Simulate:
err := room.SimulateScenario(participant, msg.Simulate)
if err != nil {
pLogger.Warnw("could not simulate scenario", err,
"simulate", msg.Simulate)
}
case *livekit.SignalRequest_PingReq:
if msg.PingReq.Rtt > 0 {
participant.UpdateSignalingRTT(uint32(msg.PingReq.Rtt))
}
case *livekit.SignalRequest_UpdateMetadata:
if participant.ClaimGrants().Video.GetCanUpdateOwnMetadata() {
room.UpdateParticipantMetadata(participant, msg.UpdateMetadata.Name, msg.UpdateMetadata.Metadata)
}
}
return nil
}