ServiceStack.Redis.RedisPubSubServer.Init C# (CSharp) Method

        private void Init()
        {
            try
            {
                using (var redis = ClientsManager.GetReadOnlyClient())
                {
                    startedAt = Stopwatch.StartNew();
                    serverTimeAtStart = IsSentinelSubscription
                        ? DateTime.UtcNow
                        : redis.GetServerTime();
                }
            }
            catch (Exception ex)
            {
                if (OnError != null)
                    OnError(ex);
            }

            DisposeHeartbeatTimer();

            if (HeartbeatInterval != null)
            {
                heartbeatTimer = new Timer(SendHeartbeat, null, 
                    TimeSpan.FromMilliseconds(0), HeartbeatInterval.Value);
            }

            Interlocked.CompareExchange(ref lastHeartbeatTicks, DateTime.UtcNow.Ticks, lastHeartbeatTicks);

            if (OnInit != null)
                OnInit();
        }