AppMetrics.Client.Tracker.SendMessages C# (CSharp) Method

        private void SendMessages()
        {
            lock (SendingSync)
            {
                try
                {
                    ReportPeriodicInfoAllSessions();

                    while (true)
                    {
                        string packet = null;
                        lock (Sync)
                        {
                            if (_packet.Length == 0)
                            {
                                if (_messages.Count == 0)
                                    return;
                                BuildPacket();
                            }

                            packet = _packet.ToString();
                        }

                        SendPacket(Url, AccessKey, ApplicationKey, packet);

                        lock (Sync)
                        {
                            _packet.Clear(); // clear packet only if succeeded
                        }
                    }
                }
                catch (ThreadInterruptedException)
                {
                }
                catch (Exception exc)
                {
                    Log("Exception", exc.ToString());
                }
            }
        }