handle new UpdateParticipant API, enable permission updates

2026-03-30 15:35:41 +00:00 · 2021-03-20 22:27:47 -07:00
parent 6aee50b397
commit 537edda4c3
14 changed files with 387 additions and 423 deletions
--- a/cmd/cli/commands/token.go
+++ b/cmd/cli/commands/token.go
@@ -1,7 +1,6 @@
 package commands

 import (
-	"encoding/json"
 	"fmt"

 	"github.com/urfave/cli/v2"
@@ -81,11 +80,7 @@ func createToken(c *cli.Context) error {
 	at := accessToken(c, grant, p)

 	if metadata != "" {
-		var md map[string]interface{}
-		if err := json.Unmarshal([]byte(metadata), &md); err != nil {
-			return err
-		}
-		at.SetMetadata(md)
+		at.SetMetadata(metadata)
 	}

 	token, err := at.ToJWT()
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/google/wire v0.5.0
 	github.com/gorilla/websocket v1.4.2
 	github.com/jxskiss/base62 v0.0.0-20191017122030-4f11678b909b
-	github.com/livekit/protocol v0.2.2
+	github.com/livekit/protocol v0.3.1
 	github.com/magefile/mage v1.11.0
 	github.com/maxbrunsfeld/counterfeiter/v6 v6.3.0
 	github.com/mitchellh/go-homedir v1.1.0
--- a/go.sum
+++ b/go.sum
@@ -236,6 +236,10 @@ github.com/livekit/protocol v0.2.1 h1:kWZlkMxkuEfvrZa8NFqOCulybEL3eJr2lrq8OfrTLP
 github.com/livekit/protocol v0.2.1/go.mod h1:wo3CGfYB7XMF8GoVJAfTARrYSP/ombi+sbLl6AYdKP0=
 github.com/livekit/protocol v0.2.2 h1:XRcbreNYi8ReAICSsJ3QXzGKSNOz0LxnimAwz5hVSHQ=
 github.com/livekit/protocol v0.2.2/go.mod h1:wo3CGfYB7XMF8GoVJAfTARrYSP/ombi+sbLl6AYdKP0=
+github.com/livekit/protocol v0.3.0 h1:Mk0DisPabFX+CzL5/zn4Dsrp5s0SvAmb/B1qE8IxKYI=
+github.com/livekit/protocol v0.3.0/go.mod h1:wo3CGfYB7XMF8GoVJAfTARrYSP/ombi+sbLl6AYdKP0=
+github.com/livekit/protocol v0.3.1 h1:EEf2pF8+7etfvgDeJPq6vWm0NTpZXa+3y8MTD6BVbmw=
+github.com/livekit/protocol v0.3.1/go.mod h1:wo3CGfYB7XMF8GoVJAfTARrYSP/ombi+sbLl6AYdKP0=
 github.com/lucsky/cuid v1.0.2 h1:z4XlExeoderxoPj2/dxKOyPxe9RCOu7yNq9/XWxIUMQ=
 github.com/lucsky/cuid v1.0.2/go.mod h1:QaaJqckboimOmhRSJXSx/+IT+VTfxfPGSo/6mfgUfmE=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
--- a/pkg/rtc/helper_test.go
+++ b/pkg/rtc/helper_test.go
@@ -13,7 +13,7 @@ func newMockParticipant(identity string) *typesfakes.FakeParticipant {
 	p.IdentityReturns(identity)
 	p.StateReturns(livekit.ParticipantInfo_JOINED)

-	p.SetMetadataStub = func(m map[string]interface{}) error {
+	p.SetMetadataStub = func(m string) {
 		var f func(participant types.Participant)
 		if p.OnMetadataUpdateCallCount() > 0 {
 			f = p.OnMetadataUpdateArgsForCall(p.OnMetadataUpdateCallCount() - 1)
@@ -21,7 +21,6 @@ func newMockParticipant(identity string) *typesfakes.FakeParticipant {
 		if f != nil {
 			f(p)
 		}
-		return nil
 	}
 	updateTrack := func() {
 		var f func(participant types.Participant, track types.PublishedTrack)
--- a/pkg/rtc/participant.go
+++ b/pkg/rtc/participant.go
@@ -1,7 +1,6 @@
 package rtc

 import (
-	"encoding/json"
 	"fmt"
 	"io"
 	"sync"
@@ -139,21 +138,12 @@ func (p *ParticipantImpl) IsReady() bool {
 }

 // attach metadata to the participant
-func (p *ParticipantImpl) SetMetadata(metadata map[string]interface{}) error {
-	if metadata == nil {
-		p.metadata = ""
-	} else {
-		if data, err := json.Marshal(metadata); err != nil {
-			return err
-		} else {
-			p.metadata = string(data)
-		}
-	}
+func (p *ParticipantImpl) SetMetadata(metadata string) {
+	p.metadata = metadata

 	if p.onMetadataUpdate != nil {
 		p.onMetadataUpdate(p)
 	}
-	return nil
 }

 func (p *ParticipantImpl) SetPermission(permission *livekit.ParticipantPermission) {
--- a/pkg/rtc/room_test.go
+++ b/pkg/rtc/room_test.go
@@ -152,7 +152,7 @@ func TestParticipantUpdate(t *testing.T) {
 			"track metadata updates are sent to everyone",
 			true,
 			func(p types.Participant) {
-				p.SetMetadata(map[string]interface{}{})
+				p.SetMetadata("")
 			},
 		},
 		{
@@ -285,7 +285,7 @@ func TestActiveSpeakers(t *testing.T) {
 		assert.Equal(t, p2.ID(), speakers[1].Sid)
 	})

-	t.Run("participants are getting updates when active", func(t *testing.T) {
+	t.Run("participants are getting audio updates", func(t *testing.T) {
 		rm := newRoomWithParticipants(t, 2)
 		participants := rm.GetParticipants()
 		p := participants[0].(*typesfakes.FakeParticipant)
@@ -293,29 +293,29 @@ func TestActiveSpeakers(t *testing.T) {
 		p.GetAudioLevelReturns(30, true)

 		speakers := rm.GetActiveSpeakers()
-		assert.NotEmpty(t, speakers)
-		assert.Equal(t, p.ID(), speakers[0].Sid)
+		require.NotEmpty(t, speakers)
+		require.Equal(t, p.ID(), speakers[0].Sid)

 		time.Sleep(audioUpdateDuration)

 		// everyone should've received updates
 		for _, op := range participants {
 			op := op.(*typesfakes.FakeParticipant)
-			assert.Equal(t, 1, op.SendActiveSpeakersCallCount())
+			require.Equal(t, 1, op.SendActiveSpeakersCallCount())
 		}

 		// after another cycle, we are not getting any new updates since unchanged
 		time.Sleep(audioUpdateDuration)
 		for _, op := range participants {
 			op := op.(*typesfakes.FakeParticipant)
-			assert.Equal(t, 1, op.SendActiveSpeakersCallCount())
+			require.Equal(t, 1, op.SendActiveSpeakersCallCount())
 		}

 		// no longer speaking, send update with empty items
 		p.GetAudioLevelReturns(127, false)
 		time.Sleep(audioUpdateDuration)
-		assert.Equal(t, 2, p.SendActiveSpeakersCallCount())
-		assert.Empty(t, p.SendActiveSpeakersArgsForCall(1))
+		require.Equal(t, 2, p.SendActiveSpeakersCallCount())
+		require.Empty(t, p.SendActiveSpeakersArgsForCall(1))
 	})
 }

--- a/pkg/rtc/types/interfaces.go
+++ b/pkg/rtc/types/interfaces.go
@@ -28,7 +28,7 @@ type Participant interface {
 	IsReady() bool
 	ToProto() *livekit.ParticipantInfo
 	RTCPChan() chan []rtcp.Packet
-	SetMetadata(metadata map[string]interface{}) error
+	SetMetadata(metadata string)
 	SetPermission(permission *livekit.ParticipantPermission)
 	GetResponseSink() routing.MessageSink
 	SetResponseSink(sink routing.MessageSink)
--- a/pkg/rtc/types/typesfakes/fake_participant.go
+++ b/pkg/rtc/types/typesfakes/fake_participant.go
@@ -255,16 +255,10 @@ type FakeParticipant struct {
 	sendParticipantUpdateReturnsOnCall map[int]struct {
 		result1 error
 	}
-	SetMetadataStub        func(map[string]interface{}) error
+	SetMetadataStub        func(string)
 	setMetadataMutex       sync.RWMutex
 	setMetadataArgsForCall []struct {
-		arg1 map[string]interface{}
-	}
-	setMetadataReturns struct {
-		result1 error
-	}
-	setMetadataReturnsOnCall map[int]struct {
-		result1 error
+		arg1 string
 	}
 	SetPermissionStub        func(*livekit.ParticipantPermission)
 	setPermissionMutex       sync.RWMutex
@@ -1661,23 +1655,17 @@ func (fake *FakeParticipant) SendParticipantUpdateReturnsOnCall(i int, result1 e
 	}{result1}
 }

-func (fake *FakeParticipant) SetMetadata(arg1 map[string]interface{}) error {
+func (fake *FakeParticipant) SetMetadata(arg1 string) {
 	fake.setMetadataMutex.Lock()
-	ret, specificReturn := fake.setMetadataReturnsOnCall[len(fake.setMetadataArgsForCall)]
 	fake.setMetadataArgsForCall = append(fake.setMetadataArgsForCall, struct {
-		arg1 map[string]interface{}
+		arg1 string
 	}{arg1})
 	stub := fake.SetMetadataStub
-	fakeReturns := fake.setMetadataReturns
 	fake.recordInvocation("SetMetadata", []interface{}{arg1})
 	fake.setMetadataMutex.Unlock()
 	if stub != nil {
-		return stub(arg1)
+		fake.SetMetadataStub(arg1)
 	}
-	if specificReturn {
-		return ret.result1
-	}
-	return fakeReturns.result1
 }

 func (fake *FakeParticipant) SetMetadataCallCount() int {
@@ -1686,42 +1674,19 @@ func (fake *FakeParticipant) SetMetadataCallCount() int {
 	return len(fake.setMetadataArgsForCall)
 }

-func (fake *FakeParticipant) SetMetadataCalls(stub func(map[string]interface{}) error) {
+func (fake *FakeParticipant) SetMetadataCalls(stub func(string)) {
 	fake.setMetadataMutex.Lock()
 	defer fake.setMetadataMutex.Unlock()
 	fake.SetMetadataStub = stub
 }

-func (fake *FakeParticipant) SetMetadataArgsForCall(i int) map[string]interface{} {
+func (fake *FakeParticipant) SetMetadataArgsForCall(i int) string {
 	fake.setMetadataMutex.RLock()
 	defer fake.setMetadataMutex.RUnlock()
 	argsForCall := fake.setMetadataArgsForCall[i]
 	return argsForCall.arg1
 }

-func (fake *FakeParticipant) SetMetadataReturns(result1 error) {
-	fake.setMetadataMutex.Lock()
-	defer fake.setMetadataMutex.Unlock()
-	fake.SetMetadataStub = nil
-	fake.setMetadataReturns = struct {
-		result1 error
-	}{result1}
-}
-
-func (fake *FakeParticipant) SetMetadataReturnsOnCall(i int, result1 error) {
-	fake.setMetadataMutex.Lock()
-	defer fake.setMetadataMutex.Unlock()
-	fake.SetMetadataStub = nil
-	if fake.setMetadataReturnsOnCall == nil {
-		fake.setMetadataReturnsOnCall = make(map[int]struct {
-			result1 error
-		})
-	}
-	fake.setMetadataReturnsOnCall[i] = struct {
-		result1 error
-	}{result1}
-}
-
 func (fake *FakeParticipant) SetPermission(arg1 *livekit.ParticipantPermission) {
 	fake.setPermissionMutex.Lock()
 	fake.setPermissionArgsForCall = append(fake.setPermissionArgsForCall, struct {
--- a/pkg/service/roommanager.go
+++ b/pkg/service/roommanager.go
@@ -1,7 +1,6 @@
 package service

 import (
-	"encoding/json"
 	"fmt"
 	"sync"
 	"time"
@@ -216,10 +215,7 @@ func (r *RoomManager) StartSession(roomName string, pi routing.ParticipantInit,
 		return
 	}
 	if pi.Metadata != "" {
-		var md map[string]interface{}
-		if err := json.Unmarshal([]byte(pi.Metadata), &md); err == nil {
-			participant.SetMetadata(md)
-		}
+		participant.SetMetadata(pi.Metadata)
 	}

 	if pi.Permission != nil {
@@ -383,16 +379,14 @@ func (r *RoomManager) handleRTCMessage(roomName, identity string, msg *livekit.R
 		logger.Debugw("setting track muted", "room", roomName, "participant", identity,
 			"track", rm.MuteTrack.TrackSid, "muted", rm.MuteTrack.Muted)
 		participant.SetTrackMuted(rm.MuteTrack.TrackSid, rm.MuteTrack.Muted)
-	case *livekit.RTCNodeMessage_UpdateMetadata:
-		logger.Debugw("updating metadata", "room", roomName, "participant", identity)
-		var md map[string]interface{}
-		if rm.UpdateMetadata.Metadata != "" {
-			if err := json.Unmarshal([]byte(rm.UpdateMetadata.Metadata), &md); err != nil {
-				logger.Errorw("could not update metadata", "error", err)
-				return
-			}
+	case *livekit.RTCNodeMessage_UpdateParticipant:
+		logger.Debugw("updating participant", "room", roomName, "participant", identity)
+		if rm.UpdateParticipant.Metadata != "" {
+			participant.SetMetadata(rm.UpdateParticipant.Metadata)
+		}
+		if rm.UpdateParticipant.Permission != nil {
+			participant.SetPermission(rm.UpdateParticipant.Permission)
 		}
-		participant.SetMetadata(md)
 	}
 }

--- a/pkg/service/roomservice.go
+++ b/pkg/service/roomservice.go
@@ -150,21 +150,21 @@ func (s *RoomService) MutePublishedTrack(ctx context.Context, req *livekit.MuteR
 	return
 }

-func (s *RoomService) UpdateParticipantMetadata(ctx context.Context, req *livekit.UpdateParticipantMetadataRequest) (*livekit.ParticipantInfo, error) {
-	rtcSink, err := s.createRTCSink(ctx, req.Target.Room, req.Target.Identity)
+func (s *RoomService) UpdateParticipant(ctx context.Context, req *livekit.UpdateParticipantRequest) (*livekit.ParticipantInfo, error) {
+	rtcSink, err := s.createRTCSink(ctx, req.Room, req.Identity)
 	if err != nil {
 		return nil, err
 	}
 	defer rtcSink.Close()

-	participant, err := s.roomManager.roomStore.GetParticipant(req.Target.Room, req.Target.Identity)
+	participant, err := s.roomManager.roomStore.GetParticipant(req.Room, req.Identity)
 	if err != nil {
 		return nil, err
 	}

 	err = rtcSink.WriteMessage(&livekit.RTCNodeMessage{
-		Message: &livekit.RTCNodeMessage_UpdateMetadata{
-			UpdateMetadata: req,
+		Message: &livekit.RTCNodeMessage_UpdateParticipant{
+			UpdateParticipant: req,
 		},
 	})

--- a/pkg/service/rtcservice.go
+++ b/pkg/service/rtcservice.go
@@ -1,7 +1,6 @@
 package service

 import (
-	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -91,12 +90,8 @@ func (s *RTCService) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	if claims.Metadata != nil {
-		if data, err := json.Marshal(claims.Metadata); err != nil {
-			logger.Warnw("unable to encode metadata", "error", err)
-		} else {
-			pi.Metadata = string(data)
-		}
+	if claims.Metadata != "" {
+		pi.Metadata = claims.Metadata
 	}

 	// this needs to be started first *before* using router functions on this node
--- a/proto/livekit_internal.pb.go
+++ b/proto/livekit_internal.pb.go
@@ -197,7 +197,7 @@ type RTCNodeMessage struct {
 	//	*RTCNodeMessage_Request
 	//	*RTCNodeMessage_RemoveParticipant
 	//	*RTCNodeMessage_MuteTrack
-	//	*RTCNodeMessage_UpdateMetadata
+	//	*RTCNodeMessage_UpdateParticipant
 	Message isRTCNodeMessage_Message `protobuf_oneof:"message"`
 }

@@ -275,9 +275,9 @@ func (x *RTCNodeMessage) GetMuteTrack() *MuteRoomTrackRequest {
 	return nil
 }

-func (x *RTCNodeMessage) GetUpdateMetadata() *UpdateParticipantMetadataRequest {
-	if x, ok := x.GetMessage().(*RTCNodeMessage_UpdateMetadata); ok {
-		return x.UpdateMetadata
+func (x *RTCNodeMessage) GetUpdateParticipant() *UpdateParticipantRequest {
+	if x, ok := x.GetMessage().(*RTCNodeMessage_UpdateParticipant); ok {
+		return x.UpdateParticipant
 	}
 	return nil
 }
@@ -303,8 +303,8 @@ type RTCNodeMessage_MuteTrack struct {
 	MuteTrack *MuteRoomTrackRequest `protobuf:"bytes,5,opt,name=mute_track,json=muteTrack,proto3,oneof"`
 }

-type RTCNodeMessage_UpdateMetadata struct {
-	UpdateMetadata *UpdateParticipantMetadataRequest `protobuf:"bytes,6,opt,name=update_metadata,json=updateMetadata,proto3,oneof"`
+type RTCNodeMessage_UpdateParticipant struct {
+	UpdateParticipant *UpdateParticipantRequest `protobuf:"bytes,6,opt,name=update_participant,json=updateParticipant,proto3,oneof"`
 }

 func (*RTCNodeMessage_StartSession) isRTCNodeMessage_Message() {}
@@ -315,7 +315,7 @@ func (*RTCNodeMessage_RemoveParticipant) isRTCNodeMessage_Message() {}

 func (*RTCNodeMessage_MuteTrack) isRTCNodeMessage_Message() {}

-func (*RTCNodeMessage_UpdateMetadata) isRTCNodeMessage_Message() {}
+func (*RTCNodeMessage_UpdateParticipant) isRTCNodeMessage_Message() {}

 // message to Signal nodes
 type SignalNodeMessage struct {
@@ -495,61 +495,6 @@ func (x *StartSession) GetPermission() *ParticipantPermission {
 	return nil
 }

-type ParticipantPermission struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	CanSubscribe bool `protobuf:"varint,1,opt,name=can_subscribe,json=canSubscribe,proto3" json:"can_subscribe,omitempty"`
-	CanPublish   bool `protobuf:"varint,2,opt,name=can_publish,json=canPublish,proto3" json:"can_publish,omitempty"`
-}
-
-func (x *ParticipantPermission) Reset() {
-	*x = ParticipantPermission{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_livekit_internal_proto_msgTypes[5]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *ParticipantPermission) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ParticipantPermission) ProtoMessage() {}
-
-func (x *ParticipantPermission) ProtoReflect() protoreflect.Message {
-	mi := &file_livekit_internal_proto_msgTypes[5]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ParticipantPermission.ProtoReflect.Descriptor instead.
-func (*ParticipantPermission) Descriptor() ([]byte, []int) {
-	return file_livekit_internal_proto_rawDescGZIP(), []int{5}
-}
-
-func (x *ParticipantPermission) GetCanSubscribe() bool {
-	if x != nil {
-		return x.CanSubscribe
-	}
-	return false
-}
-
-func (x *ParticipantPermission) GetCanPublish() bool {
-	if x != nil {
-		return x.CanPublish
-	}
-	return false
-}
-
 type EndSession struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -559,7 +504,7 @@ type EndSession struct {
 func (x *EndSession) Reset() {
 	*x = EndSession{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_livekit_internal_proto_msgTypes[6]
+		mi := &file_livekit_internal_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -572,7 +517,7 @@ func (x *EndSession) String() string {
 func (*EndSession) ProtoMessage() {}

 func (x *EndSession) ProtoReflect() protoreflect.Message {
-	mi := &file_livekit_internal_proto_msgTypes[6]
+	mi := &file_livekit_internal_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -585,7 +530,7 @@ func (x *EndSession) ProtoReflect() protoreflect.Message {

 // Deprecated: Use EndSession.ProtoReflect.Descriptor instead.
 func (*EndSession) Descriptor() ([]byte, []int) {
-	return file_livekit_internal_proto_rawDescGZIP(), []int{6}
+	return file_livekit_internal_proto_rawDescGZIP(), []int{5}
 }

 type RemoveParticipant struct {
@@ -599,7 +544,7 @@ type RemoveParticipant struct {
 func (x *RemoveParticipant) Reset() {
 	*x = RemoveParticipant{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_livekit_internal_proto_msgTypes[7]
+		mi := &file_livekit_internal_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -612,7 +557,7 @@ func (x *RemoveParticipant) String() string {
 func (*RemoveParticipant) ProtoMessage() {}

 func (x *RemoveParticipant) ProtoReflect() protoreflect.Message {
-	mi := &file_livekit_internal_proto_msgTypes[7]
+	mi := &file_livekit_internal_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -625,7 +570,7 @@ func (x *RemoveParticipant) ProtoReflect() protoreflect.Message {

 // Deprecated: Use RemoveParticipant.ProtoReflect.Descriptor instead.
 func (*RemoveParticipant) Descriptor() ([]byte, []int) {
-	return file_livekit_internal_proto_rawDescGZIP(), []int{7}
+	return file_livekit_internal_proto_rawDescGZIP(), []int{6}
 }

 func (x *RemoveParticipant) GetParticipantId() string {
@@ -662,7 +607,7 @@ var file_livekit_internal_proto_rawDesc = []byte{
 	0x18, 0x05, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0b, 0x6e, 0x75, 0x6d, 0x54, 0x72, 0x61, 0x63, 0x6b,
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+	0x54, 0x72, 0x61, 0x63, 0x6b, 0x73, 0x4f, 0x75, 0x74, 0x22, 0x9d, 0x03, 0x0a, 0x0e, 0x52, 0x54,
 	0x43, 0x4e, 0x6f, 0x64, 0x65, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x27, 0x0a, 0x0f,
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@@ -682,53 +627,47 @@ var file_livekit_internal_proto_rawDesc = []byte{
 	0x74, 0x65, 0x5f, 0x74, 0x72, 0x61, 0x63, 0x6b, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1d,
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 }

 var (
@@ -743,32 +682,32 @@ func file_livekit_internal_proto_rawDescGZIP() []byte {
 	return file_livekit_internal_proto_rawDescData
 }

-var file_livekit_internal_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_livekit_internal_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_livekit_internal_proto_goTypes = []interface{}{
-	(*Node)(nil),                             // 0: livekit.Node
-	(*NodeStats)(nil),                        // 1: livekit.NodeStats
-	(*RTCNodeMessage)(nil),                   // 2: livekit.RTCNodeMessage
-	(*SignalNodeMessage)(nil),                // 3: livekit.SignalNodeMessage
-	(*StartSession)(nil),                     // 4: livekit.StartSession
-	(*ParticipantPermission)(nil),            // 5: livekit.ParticipantPermission
-	(*EndSession)(nil),                       // 6: livekit.EndSession
-	(*RemoveParticipant)(nil),                // 7: livekit.RemoveParticipant
-	(*SignalRequest)(nil),                    // 8: livekit.SignalRequest
-	(*RoomParticipantIdentity)(nil),          // 9: livekit.RoomParticipantIdentity
-	(*MuteRoomTrackRequest)(nil),             // 10: livekit.MuteRoomTrackRequest
-	(*UpdateParticipantMetadataRequest)(nil), // 11: livekit.UpdateParticipantMetadataRequest
-	(*SignalResponse)(nil),                   // 12: livekit.SignalResponse
+	(*Node)(nil),                     // 0: livekit.Node
+	(*NodeStats)(nil),                // 1: livekit.NodeStats
+	(*RTCNodeMessage)(nil),           // 2: livekit.RTCNodeMessage
+	(*SignalNodeMessage)(nil),        // 3: livekit.SignalNodeMessage
+	(*StartSession)(nil),             // 4: livekit.StartSession
+	(*EndSession)(nil),               // 5: livekit.EndSession
+	(*RemoveParticipant)(nil),        // 6: livekit.RemoveParticipant
+	(*SignalRequest)(nil),            // 7: livekit.SignalRequest
+	(*RoomParticipantIdentity)(nil),  // 8: livekit.RoomParticipantIdentity
+	(*MuteRoomTrackRequest)(nil),     // 9: livekit.MuteRoomTrackRequest
+	(*UpdateParticipantRequest)(nil), // 10: livekit.UpdateParticipantRequest
+	(*SignalResponse)(nil),           // 11: livekit.SignalResponse
+	(*ParticipantPermission)(nil),    // 12: livekit.ParticipantPermission
 }
 var file_livekit_internal_proto_depIdxs = []int32{
 	1,  // 0: livekit.Node.stats:type_name -> livekit.NodeStats
 	4,  // 1: livekit.RTCNodeMessage.start_session:type_name -> livekit.StartSession
-	8,  // 2: livekit.RTCNodeMessage.request:type_name -> livekit.SignalRequest
-	9,  // 3: livekit.RTCNodeMessage.remove_participant:type_name -> livekit.RoomParticipantIdentity
-	10, // 4: livekit.RTCNodeMessage.mute_track:type_name -> livekit.MuteRoomTrackRequest
-	11, // 5: livekit.RTCNodeMessage.update_metadata:type_name -> livekit.UpdateParticipantMetadataRequest
-	12, // 6: livekit.SignalNodeMessage.response:type_name -> livekit.SignalResponse
-	6,  // 7: livekit.SignalNodeMessage.end_session:type_name -> livekit.EndSession
-	5,  // 8: livekit.StartSession.permission:type_name -> livekit.ParticipantPermission
+	7,  // 2: livekit.RTCNodeMessage.request:type_name -> livekit.SignalRequest
+	8,  // 3: livekit.RTCNodeMessage.remove_participant:type_name -> livekit.RoomParticipantIdentity
+	9,  // 4: livekit.RTCNodeMessage.mute_track:type_name -> livekit.MuteRoomTrackRequest
+	10, // 5: livekit.RTCNodeMessage.update_participant:type_name -> livekit.UpdateParticipantRequest
+	11, // 6: livekit.SignalNodeMessage.response:type_name -> livekit.SignalResponse
+	5,  // 7: livekit.SignalNodeMessage.end_session:type_name -> livekit.EndSession
+	12, // 8: livekit.StartSession.permission:type_name -> livekit.ParticipantPermission
 	9,  // [9:9] is the sub-list for method output_type
 	9,  // [9:9] is the sub-list for method input_type
 	9,  // [9:9] is the sub-list for extension type_name
@@ -845,18 +784,6 @@ func file_livekit_internal_proto_init() {
 			}
 		}
 		file_livekit_internal_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ParticipantPermission); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_livekit_internal_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*EndSession); i {
 			case 0:
 				return &v.state
@@ -868,7 +795,7 @@ func file_livekit_internal_proto_init() {
 				return nil
 			}
 		}
-		file_livekit_internal_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_livekit_internal_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RemoveParticipant); i {
 			case 0:
 				return &v.state
@@ -886,7 +813,7 @@ func file_livekit_internal_proto_init() {
 		(*RTCNodeMessage_Request)(nil),
 		(*RTCNodeMessage_RemoveParticipant)(nil),
 		(*RTCNodeMessage_MuteTrack)(nil),
-		(*RTCNodeMessage_UpdateMetadata)(nil),
+		(*RTCNodeMessage_UpdateParticipant)(nil),
 	}
 	file_livekit_internal_proto_msgTypes[3].OneofWrappers = []interface{}{
 		(*SignalNodeMessage_Response)(nil),
@@ -898,7 +825,7 @@ func file_livekit_internal_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_livekit_internal_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/proto/livekit_room.pb.go
+++ b/proto/livekit_room.pb.go
@@ -573,17 +573,17 @@ func (x *MuteRoomTrackResponse) GetTrack() *TrackInfo {
 	return nil
 }

-type UpdateParticipantMetadataRequest struct {
+type ParticipantPermission struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	Target   *RoomParticipantIdentity `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
-	Metadata string                   `protobuf:"bytes,2,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	CanSubscribe bool `protobuf:"varint,1,opt,name=can_subscribe,json=canSubscribe,proto3" json:"can_subscribe,omitempty"`
+	CanPublish   bool `protobuf:"varint,2,opt,name=can_publish,json=canPublish,proto3" json:"can_publish,omitempty"`
 }

-func (x *UpdateParticipantMetadataRequest) Reset() {
-	*x = UpdateParticipantMetadataRequest{}
+func (x *ParticipantPermission) Reset() {
+	*x = ParticipantPermission{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_livekit_room_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -591,13 +591,13 @@ func (x *UpdateParticipantMetadataRequest) Reset() {
 	}
 }

-func (x *UpdateParticipantMetadataRequest) String() string {
+func (x *ParticipantPermission) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }

-func (*UpdateParticipantMetadataRequest) ProtoMessage() {}
+func (*ParticipantPermission) ProtoMessage() {}

-func (x *UpdateParticipantMetadataRequest) ProtoReflect() protoreflect.Message {
+func (x *ParticipantPermission) ProtoReflect() protoreflect.Message {
 	mi := &file_livekit_room_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -609,25 +609,96 @@ func (x *UpdateParticipantMetadataRequest) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }

-// Deprecated: Use UpdateParticipantMetadataRequest.ProtoReflect.Descriptor instead.
-func (*UpdateParticipantMetadataRequest) Descriptor() ([]byte, []int) {
+// Deprecated: Use ParticipantPermission.ProtoReflect.Descriptor instead.
+func (*ParticipantPermission) Descriptor() ([]byte, []int) {
 	return file_livekit_room_proto_rawDescGZIP(), []int{11}
 }

-func (x *UpdateParticipantMetadataRequest) GetTarget() *RoomParticipantIdentity {
+func (x *ParticipantPermission) GetCanSubscribe() bool {
 	if x != nil {
-		return x.Target
+		return x.CanSubscribe
 	}
-	return nil
+	return false
 }

-func (x *UpdateParticipantMetadataRequest) GetMetadata() string {
+func (x *ParticipantPermission) GetCanPublish() bool {
+	if x != nil {
+		return x.CanPublish
+	}
+	return false
+}
+
+type UpdateParticipantRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Room       string                 `protobuf:"bytes,1,opt,name=room,proto3" json:"room,omitempty"`
+	Identity   string                 `protobuf:"bytes,2,opt,name=identity,proto3" json:"identity,omitempty"`
+	Metadata   string                 `protobuf:"bytes,3,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Permission *ParticipantPermission `protobuf:"bytes,4,opt,name=permission,proto3" json:"permission,omitempty"`
+}
+
+func (x *UpdateParticipantRequest) Reset() {
+	*x = UpdateParticipantRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_livekit_room_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateParticipantRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateParticipantRequest) ProtoMessage() {}
+
+func (x *UpdateParticipantRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_livekit_room_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateParticipantRequest.ProtoReflect.Descriptor instead.
+func (*UpdateParticipantRequest) Descriptor() ([]byte, []int) {
+	return file_livekit_room_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *UpdateParticipantRequest) GetRoom() string {
+	if x != nil {
+		return x.Room
+	}
+	return ""
+}
+
+func (x *UpdateParticipantRequest) GetIdentity() string {
+	if x != nil {
+		return x.Identity
+	}
+	return ""
+}
+
+func (x *UpdateParticipantRequest) GetMetadata() string {
 	if x != nil {
 		return x.Metadata
 	}
 	return ""
 }

+func (x *UpdateParticipantRequest) GetPermission() *ParticipantPermission {
+	if x != nil {
+		return x.Permission
+	}
+	return nil
+}
+
 var File_livekit_room_proto protoreflect.FileDescriptor

 var file_livekit_room_proto_rawDesc = []byte{
@@ -679,59 +750,67 @@ var file_livekit_room_proto_rawDesc = []byte{
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 	0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2e, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70,
-	0x61, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x59, 0x0a, 0x11, 0x52, 0x65, 0x6d, 0x6f, 0x76,
-	0x65, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x12, 0x20, 0x2e, 0x6c,
-	0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2e, 0x52, 0x6f, 0x6f, 0x6d, 0x50, 0x61, 0x72, 0x74, 0x69,
-	0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x1a, 0x22,
-	0x2e, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2e, 0x52, 0x65, 0x6d, 0x6f, 0x76, 0x65, 0x50,
-	0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
-	0x73, 0x65, 0x12, 0x53, 0x0a, 0x12, 0x4d, 0x75, 0x74, 0x65, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73,
-	0x68, 0x65, 0x64, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x12, 0x1d, 0x2e, 0x6c, 0x69, 0x76, 0x65, 0x6b,
-	0x69, 0x74, 0x2e, 0x4d, 0x75, 0x74, 0x65, 0x52, 0x6f, 0x6f, 0x6d, 0x54, 0x72, 0x61, 0x63, 0x6b,
-	0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1e, 0x2e, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69,
-	0x74, 0x2e, 0x4d, 0x75, 0x74, 0x65, 0x52, 0x6f, 0x6f, 0x6d, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x52,
-	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x60, 0x0a, 0x19, 0x55, 0x70, 0x64, 0x61, 0x74,
-	0x65, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x4d, 0x65, 0x74, 0x61,
-	0x64, 0x61, 0x74, 0x61, 0x12, 0x29, 0x2e, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2e, 0x55,
-	0x70, 0x64, 0x61, 0x74, 0x65, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74,
-	0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a,
-	0x18, 0x2e, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2e, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63,
-	0x69, 0x70, 0x61, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x42, 0x31, 0x5a, 0x2f, 0x67, 0x69, 0x74,
-	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2f,
-	0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2f, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x62, 0x06, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x33,
+	0x61, 0x6e, 0x74, 0x49, 0x6e, 0x66, 0x6f, 0x42, 0x31, 0x5a, 0x2f, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x2f, 0x6c, 0x69,
+	0x76, 0x65, 0x6b, 0x69, 0x74, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2f, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x2f, 0x6c, 0x69, 0x76, 0x65, 0x6b, 0x69, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }

 var (
@@ -746,29 +825,30 @@ func file_livekit_room_proto_rawDescGZIP() []byte {
 	return file_livekit_room_proto_rawDescData
 }

-var file_livekit_room_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_livekit_room_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
 var file_livekit_room_proto_goTypes = []interface{}{
-	(*CreateRoomRequest)(nil),                // 0: livekit.CreateRoomRequest
-	(*ListRoomsRequest)(nil),                 // 1: livekit.ListRoomsRequest
-	(*ListRoomsResponse)(nil),                // 2: livekit.ListRoomsResponse
-	(*DeleteRoomRequest)(nil),                // 3: livekit.DeleteRoomRequest
-	(*DeleteRoomResponse)(nil),               // 4: livekit.DeleteRoomResponse
-	(*ListParticipantsRequest)(nil),          // 5: livekit.ListParticipantsRequest
-	(*ListParticipantsResponse)(nil),         // 6: livekit.ListParticipantsResponse
-	(*RoomParticipantIdentity)(nil),          // 7: livekit.RoomParticipantIdentity
-	(*RemoveParticipantResponse)(nil),        // 8: livekit.RemoveParticipantResponse
-	(*MuteRoomTrackRequest)(nil),             // 9: livekit.MuteRoomTrackRequest
-	(*MuteRoomTrackResponse)(nil),            // 10: livekit.MuteRoomTrackResponse
-	(*UpdateParticipantMetadataRequest)(nil), // 11: livekit.UpdateParticipantMetadataRequest
-	(*Room)(nil),                             // 12: livekit.Room
-	(*ParticipantInfo)(nil),                  // 13: livekit.ParticipantInfo
-	(*TrackInfo)(nil),                        // 14: livekit.TrackInfo
+	(*CreateRoomRequest)(nil),         // 0: livekit.CreateRoomRequest
+	(*ListRoomsRequest)(nil),          // 1: livekit.ListRoomsRequest
+	(*ListRoomsResponse)(nil),         // 2: livekit.ListRoomsResponse
+	(*DeleteRoomRequest)(nil),         // 3: livekit.DeleteRoomRequest
+	(*DeleteRoomResponse)(nil),        // 4: livekit.DeleteRoomResponse
+	(*ListParticipantsRequest)(nil),   // 5: livekit.ListParticipantsRequest
+	(*ListParticipantsResponse)(nil),  // 6: livekit.ListParticipantsResponse
+	(*RoomParticipantIdentity)(nil),   // 7: livekit.RoomParticipantIdentity
+	(*RemoveParticipantResponse)(nil), // 8: livekit.RemoveParticipantResponse
+	(*MuteRoomTrackRequest)(nil),      // 9: livekit.MuteRoomTrackRequest
+	(*MuteRoomTrackResponse)(nil),     // 10: livekit.MuteRoomTrackResponse
+	(*ParticipantPermission)(nil),     // 11: livekit.ParticipantPermission
+	(*UpdateParticipantRequest)(nil),  // 12: livekit.UpdateParticipantRequest
+	(*Room)(nil),                      // 13: livekit.Room
+	(*ParticipantInfo)(nil),           // 14: livekit.ParticipantInfo
+	(*TrackInfo)(nil),                 // 15: livekit.TrackInfo
 }
 var file_livekit_room_proto_depIdxs = []int32{
-	12, // 0: livekit.ListRoomsResponse.rooms:type_name -> livekit.Room
-	13, // 1: livekit.ListParticipantsResponse.participants:type_name -> livekit.ParticipantInfo
-	14, // 2: livekit.MuteRoomTrackResponse.track:type_name -> livekit.TrackInfo
-	7,  // 3: livekit.UpdateParticipantMetadataRequest.target:type_name -> livekit.RoomParticipantIdentity
+	13, // 0: livekit.ListRoomsResponse.rooms:type_name -> livekit.Room
+	14, // 1: livekit.ListParticipantsResponse.participants:type_name -> livekit.ParticipantInfo
+	15, // 2: livekit.MuteRoomTrackResponse.track:type_name -> livekit.TrackInfo
+	11, // 3: livekit.UpdateParticipantRequest.permission:type_name -> livekit.ParticipantPermission
 	0,  // 4: livekit.RoomService.CreateRoom:input_type -> livekit.CreateRoomRequest
 	1,  // 5: livekit.RoomService.ListRooms:input_type -> livekit.ListRoomsRequest
 	3,  // 6: livekit.RoomService.DeleteRoom:input_type -> livekit.DeleteRoomRequest
@@ -776,15 +856,15 @@ var file_livekit_room_proto_depIdxs = []int32{
 	7,  // 8: livekit.RoomService.GetParticipant:input_type -> livekit.RoomParticipantIdentity
 	7,  // 9: livekit.RoomService.RemoveParticipant:input_type -> livekit.RoomParticipantIdentity
 	9,  // 10: livekit.RoomService.MutePublishedTrack:input_type -> livekit.MuteRoomTrackRequest
-	11, // 11: livekit.RoomService.UpdateParticipantMetadata:input_type -> livekit.UpdateParticipantMetadataRequest
-	12, // 12: livekit.RoomService.CreateRoom:output_type -> livekit.Room
+	12, // 11: livekit.RoomService.UpdateParticipant:input_type -> livekit.UpdateParticipantRequest
+	13, // 12: livekit.RoomService.CreateRoom:output_type -> livekit.Room
 	2,  // 13: livekit.RoomService.ListRooms:output_type -> livekit.ListRoomsResponse
 	4,  // 14: livekit.RoomService.DeleteRoom:output_type -> livekit.DeleteRoomResponse
 	6,  // 15: livekit.RoomService.ListParticipants:output_type -> livekit.ListParticipantsResponse
-	13, // 16: livekit.RoomService.GetParticipant:output_type -> livekit.ParticipantInfo
+	14, // 16: livekit.RoomService.GetParticipant:output_type -> livekit.ParticipantInfo
 	8,  // 17: livekit.RoomService.RemoveParticipant:output_type -> livekit.RemoveParticipantResponse
 	10, // 18: livekit.RoomService.MutePublishedTrack:output_type -> livekit.MuteRoomTrackResponse
-	13, // 19: livekit.RoomService.UpdateParticipantMetadata:output_type -> livekit.ParticipantInfo
+	14, // 19: livekit.RoomService.UpdateParticipant:output_type -> livekit.ParticipantInfo
 	12, // [12:20] is the sub-list for method output_type
 	4,  // [4:12] is the sub-list for method input_type
 	4,  // [4:4] is the sub-list for extension type_name
@@ -932,7 +1012,19 @@ func file_livekit_room_proto_init() {
 			}
 		}
 		file_livekit_room_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*UpdateParticipantMetadataRequest); i {
+			switch v := v.(*ParticipantPermission); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_livekit_room_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpdateParticipantRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -950,7 +1042,7 @@ func file_livekit_room_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_livekit_room_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   12,
+			NumMessages:   13,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
--- a/proto/livekit_room.twirp.go
+++ b/proto/livekit_room.twirp.go
@@ -62,7 +62,7 @@ type RoomService interface {
 	MutePublishedTrack(context.Context, *MuteRoomTrackRequest) (*MuteRoomTrackResponse, error)

 	// update participant metadata
-	UpdateParticipantMetadata(context.Context, *UpdateParticipantMetadataRequest) (*ParticipantInfo, error)
+	UpdateParticipant(context.Context, *UpdateParticipantRequest) (*ParticipantInfo, error)
 }

 // ===========================
@@ -99,7 +99,7 @@ func NewRoomServiceProtobufClient(baseURL string, client HTTPClient, opts ...twi
 		serviceURL + "GetParticipant",
 		serviceURL + "RemoveParticipant",
 		serviceURL + "MutePublishedTrack",
-		serviceURL + "UpdateParticipantMetadata",
+		serviceURL + "UpdateParticipant",
 	}

 	return &roomServiceProtobufClient{
@@ -432,20 +432,20 @@ func (c *roomServiceProtobufClient) callMutePublishedTrack(ctx context.Context,
 	return out, nil
 }

-func (c *roomServiceProtobufClient) UpdateParticipantMetadata(ctx context.Context, in *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+func (c *roomServiceProtobufClient) UpdateParticipant(ctx context.Context, in *UpdateParticipantRequest) (*ParticipantInfo, error) {
 	ctx = ctxsetters.WithPackageName(ctx, "livekit")
 	ctx = ctxsetters.WithServiceName(ctx, "RoomService")
-	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipantMetadata")
-	caller := c.callUpdateParticipantMetadata
+	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipant")
+	caller := c.callUpdateParticipant
 	if c.interceptor != nil {
-		caller = func(ctx context.Context, req *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+		caller = func(ctx context.Context, req *UpdateParticipantRequest) (*ParticipantInfo, error) {
 			resp, err := c.interceptor(
 				func(ctx context.Context, req interface{}) (interface{}, error) {
-					typedReq, ok := req.(*UpdateParticipantMetadataRequest)
+					typedReq, ok := req.(*UpdateParticipantRequest)
 					if !ok {
-						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantMetadataRequest) when calling interceptor")
+						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantRequest) when calling interceptor")
 					}
-					return c.callUpdateParticipantMetadata(ctx, typedReq)
+					return c.callUpdateParticipant(ctx, typedReq)
 				},
 			)(ctx, req)
 			if resp != nil {
@@ -461,7 +461,7 @@ func (c *roomServiceProtobufClient) UpdateParticipantMetadata(ctx context.Contex
 	return caller(ctx, in)
 }

-func (c *roomServiceProtobufClient) callUpdateParticipantMetadata(ctx context.Context, in *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+func (c *roomServiceProtobufClient) callUpdateParticipant(ctx context.Context, in *UpdateParticipantRequest) (*ParticipantInfo, error) {
 	out := new(ParticipantInfo)
 	ctx, err := doProtobufRequest(ctx, c.client, c.opts.Hooks, c.urls[7], in, out)
 	if err != nil {
@@ -512,7 +512,7 @@ func NewRoomServiceJSONClient(baseURL string, client HTTPClient, opts ...twirp.C
 		serviceURL + "GetParticipant",
 		serviceURL + "RemoveParticipant",
 		serviceURL + "MutePublishedTrack",
-		serviceURL + "UpdateParticipantMetadata",
+		serviceURL + "UpdateParticipant",
 	}

 	return &roomServiceJSONClient{
@@ -845,20 +845,20 @@ func (c *roomServiceJSONClient) callMutePublishedTrack(ctx context.Context, in *
 	return out, nil
 }

-func (c *roomServiceJSONClient) UpdateParticipantMetadata(ctx context.Context, in *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+func (c *roomServiceJSONClient) UpdateParticipant(ctx context.Context, in *UpdateParticipantRequest) (*ParticipantInfo, error) {
 	ctx = ctxsetters.WithPackageName(ctx, "livekit")
 	ctx = ctxsetters.WithServiceName(ctx, "RoomService")
-	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipantMetadata")
-	caller := c.callUpdateParticipantMetadata
+	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipant")
+	caller := c.callUpdateParticipant
 	if c.interceptor != nil {
-		caller = func(ctx context.Context, req *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+		caller = func(ctx context.Context, req *UpdateParticipantRequest) (*ParticipantInfo, error) {
 			resp, err := c.interceptor(
 				func(ctx context.Context, req interface{}) (interface{}, error) {
-					typedReq, ok := req.(*UpdateParticipantMetadataRequest)
+					typedReq, ok := req.(*UpdateParticipantRequest)
 					if !ok {
-						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantMetadataRequest) when calling interceptor")
+						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantRequest) when calling interceptor")
 					}
-					return c.callUpdateParticipantMetadata(ctx, typedReq)
+					return c.callUpdateParticipant(ctx, typedReq)
 				},
 			)(ctx, req)
 			if resp != nil {
@@ -874,7 +874,7 @@ func (c *roomServiceJSONClient) UpdateParticipantMetadata(ctx context.Context, i
 	return caller(ctx, in)
 }

-func (c *roomServiceJSONClient) callUpdateParticipantMetadata(ctx context.Context, in *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+func (c *roomServiceJSONClient) callUpdateParticipant(ctx context.Context, in *UpdateParticipantRequest) (*ParticipantInfo, error) {
 	out := new(ParticipantInfo)
 	ctx, err := doJSONRequest(ctx, c.client, c.opts.Hooks, c.urls[7], in, out)
 	if err != nil {
@@ -996,8 +996,8 @@ func (s *roomServiceServer) ServeHTTP(resp http.ResponseWriter, req *http.Reques
 	case "MutePublishedTrack":
 		s.serveMutePublishedTrack(ctx, resp, req)
 		return
-	case "UpdateParticipantMetadata":
-		s.serveUpdateParticipantMetadata(ctx, resp, req)
+	case "UpdateParticipant":
+		s.serveUpdateParticipant(ctx, resp, req)
 		return
 	default:
 		msg := fmt.Sprintf("no handler for path %q", req.URL.Path)
@@ -2231,7 +2231,7 @@ func (s *roomServiceServer) serveMutePublishedTrackProtobuf(ctx context.Context,
 	callResponseSent(ctx, s.hooks)
 }

-func (s *roomServiceServer) serveUpdateParticipantMetadata(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
+func (s *roomServiceServer) serveUpdateParticipant(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
 	header := req.Header.Get("Content-Type")
 	i := strings.Index(header, ";")
 	if i == -1 {
@@ -2239,9 +2239,9 @@ func (s *roomServiceServer) serveUpdateParticipantMetadata(ctx context.Context,
 	}
 	switch strings.TrimSpace(strings.ToLower(header[:i])) {
 	case "application/json":
-		s.serveUpdateParticipantMetadataJSON(ctx, resp, req)
+		s.serveUpdateParticipantJSON(ctx, resp, req)
 	case "application/protobuf":
-		s.serveUpdateParticipantMetadataProtobuf(ctx, resp, req)
+		s.serveUpdateParticipantProtobuf(ctx, resp, req)
 	default:
 		msg := fmt.Sprintf("unexpected Content-Type: %q", req.Header.Get("Content-Type"))
 		twerr := badRouteError(msg, req.Method, req.URL.Path)
@@ -2249,32 +2249,32 @@ func (s *roomServiceServer) serveUpdateParticipantMetadata(ctx context.Context,
 	}
 }

-func (s *roomServiceServer) serveUpdateParticipantMetadataJSON(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
+func (s *roomServiceServer) serveUpdateParticipantJSON(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
 	var err error
-	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipantMetadata")
+	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipant")
 	ctx, err = callRequestRouted(ctx, s.hooks)
 	if err != nil {
 		s.writeError(ctx, resp, err)
 		return
 	}

-	reqContent := new(UpdateParticipantMetadataRequest)
+	reqContent := new(UpdateParticipantRequest)
 	unmarshaler := jsonpb.Unmarshaler{AllowUnknownFields: true}
 	if err = unmarshaler.Unmarshal(req.Body, reqContent); err != nil {
 		s.writeError(ctx, resp, malformedRequestError("the json request could not be decoded"))
 		return
 	}

-	handler := s.RoomService.UpdateParticipantMetadata
+	handler := s.RoomService.UpdateParticipant
 	if s.interceptor != nil {
-		handler = func(ctx context.Context, req *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+		handler = func(ctx context.Context, req *UpdateParticipantRequest) (*ParticipantInfo, error) {
 			resp, err := s.interceptor(
 				func(ctx context.Context, req interface{}) (interface{}, error) {
-					typedReq, ok := req.(*UpdateParticipantMetadataRequest)
+					typedReq, ok := req.(*UpdateParticipantRequest)
 					if !ok {
-						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantMetadataRequest) when calling interceptor")
+						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantRequest) when calling interceptor")
 					}
-					return s.RoomService.UpdateParticipantMetadata(ctx, typedReq)
+					return s.RoomService.UpdateParticipant(ctx, typedReq)
 				},
 			)(ctx, req)
 			if resp != nil {
@@ -2300,7 +2300,7 @@ func (s *roomServiceServer) serveUpdateParticipantMetadataJSON(ctx context.Conte
 		return
 	}
 	if respContent == nil {
-		s.writeError(ctx, resp, twirp.InternalError("received a nil *ParticipantInfo and nil error while calling UpdateParticipantMetadata. nil responses are not supported"))
+		s.writeError(ctx, resp, twirp.InternalError("received a nil *ParticipantInfo and nil error while calling UpdateParticipant. nil responses are not supported"))
 		return
 	}

@@ -2327,9 +2327,9 @@ func (s *roomServiceServer) serveUpdateParticipantMetadataJSON(ctx context.Conte
 	callResponseSent(ctx, s.hooks)
 }

-func (s *roomServiceServer) serveUpdateParticipantMetadataProtobuf(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
+func (s *roomServiceServer) serveUpdateParticipantProtobuf(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
 	var err error
-	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipantMetadata")
+	ctx = ctxsetters.WithMethodName(ctx, "UpdateParticipant")
 	ctx, err = callRequestRouted(ctx, s.hooks)
 	if err != nil {
 		s.writeError(ctx, resp, err)
@@ -2341,22 +2341,22 @@ func (s *roomServiceServer) serveUpdateParticipantMetadataProtobuf(ctx context.C
 		s.writeError(ctx, resp, wrapInternal(err, "failed to read request body"))
 		return
 	}
-	reqContent := new(UpdateParticipantMetadataRequest)
+	reqContent := new(UpdateParticipantRequest)
 	if err = proto.Unmarshal(buf, reqContent); err != nil {
 		s.writeError(ctx, resp, malformedRequestError("the protobuf request could not be decoded"))
 		return
 	}

-	handler := s.RoomService.UpdateParticipantMetadata
+	handler := s.RoomService.UpdateParticipant
 	if s.interceptor != nil {
-		handler = func(ctx context.Context, req *UpdateParticipantMetadataRequest) (*ParticipantInfo, error) {
+		handler = func(ctx context.Context, req *UpdateParticipantRequest) (*ParticipantInfo, error) {
 			resp, err := s.interceptor(
 				func(ctx context.Context, req interface{}) (interface{}, error) {
-					typedReq, ok := req.(*UpdateParticipantMetadataRequest)
+					typedReq, ok := req.(*UpdateParticipantRequest)
 					if !ok {
-						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantMetadataRequest) when calling interceptor")
+						return nil, twirp.InternalError("failed type assertion req.(*UpdateParticipantRequest) when calling interceptor")
 					}
-					return s.RoomService.UpdateParticipantMetadata(ctx, typedReq)
+					return s.RoomService.UpdateParticipant(ctx, typedReq)
 				},
 			)(ctx, req)
 			if resp != nil {
@@ -2382,7 +2382,7 @@ func (s *roomServiceServer) serveUpdateParticipantMetadataProtobuf(ctx context.C
 		return
 	}
 	if respContent == nil {
-		s.writeError(ctx, resp, twirp.InternalError("received a nil *ParticipantInfo and nil error while calling UpdateParticipantMetadata. nil responses are not supported"))
+		s.writeError(ctx, resp, twirp.InternalError("received a nil *ParticipantInfo and nil error while calling UpdateParticipant. nil responses are not supported"))
 		return
 	}

@@ -2968,44 +2968,47 @@ func callClientError(ctx context.Context, h *twirp.ClientHooks, err twirp.Error)
 }

 var twirpFileDescriptor0 = []byte{
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