room 인원을 count에 저장

wshandler/wshandler.go

@@ -362,7 +362,7 @@ func (sh *subhandler) mainLoop(ctx context.Context) {
 	findRoom := func(name string, create bool) *room {
 		room := rooms[name]
 		if room == nil && create {
-			room = makeRoom(name, roomDestroyChan, sh.sendMsgChan)
+			room = makeRoom(name, sh.redisSync, roomDestroyChan, sh.sendMsgChan)
 			rooms[name] = room
 			room.start(ctx)
 			go sh.callReceiver.OnRoomCreated(sh.region, name)