mirror of
https://github.com/livekit/livekit.git
synced 2026-03-30 15:35:41 +00:00
98 lines
3.6 KiB
Go
98 lines
3.6 KiB
Go
// Copyright 2023 LiveKit, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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participant.UpdateLastSeenSignal()
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switch msg := req.GetMessage().(type) {
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case *livekit.SignalRequest_Offer:
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participant.HandleOffer(FromProtoSessionDescription(msg.Offer))
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case *livekit.SignalRequest_Answer:
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participant.HandleAnswer(FromProtoSessionDescription(msg.Answer))
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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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participant.AddICECandidate(candidateInit, msg.Trickle.Target)
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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_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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// allow participant to indicate their interest in the subscription
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// permission check happens later in SubscriptionManager
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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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case *livekit.SignalRequest_TrackSetting:
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for _, sid := range livekit.StringsAsTrackIDs(msg.TrackSetting.TrackSids) {
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participant.UpdateSubscribedTrackSettings(sid, msg.TrackSetting)
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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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room.RemoveParticipant(participant.Identity(), participant.ID(), types.ParticipantCloseReasonClientRequestLeave)
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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_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 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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case *livekit.SignalRequest_PingReq:
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if msg.PingReq.Rtt > 0 {
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participant.UpdateSignalingRTT(uint32(msg.PingReq.Rtt))
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}
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case *livekit.SignalRequest_UpdateMetadata:
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if participant.ClaimGrants().Video.GetCanUpdateOwnMetadata() {
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room.UpdateParticipantMetadata(participant, msg.UpdateMetadata.Name, msg.UpdateMetadata.Metadata)
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}
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}
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return nil
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}
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