public virtual void Stop()

in src/Transport/Failover/FailoverTransport.cs [532:605]
68 lines of code
10 McCabe index (conditional complexity)

        public virtual void Stop()
        {
            ITransport transportToStop = null;
	        List<ITransport> backupsToStop = new List<ITransport>(backups.Count);

			try 
			{
	            lock(reconnectMutex)
	            {
	                if(!started)
	                {
	                    Tracer.Debug("FailoverTransport Already Stopped.");
	                    return;
	                }

	                Tracer.Debug("FailoverTransport Stopped.");
	                started = false;
	                disposed = true;
	                connected = false;
	                if(ConnectedTransport != null)
	                {
	                    transportToStop = connectedTransport.GetAndSet(null);
	                }

	            }
				lock(sleepMutex)
				{
					Monitor.PulseAll(sleepMutex);
				}
			}
			finally
			{
            	if(reconnectTask != null)
            	{
	                reconnectTask.Shutdown();
            	}
			}

	        lock(backupMutex) 
			{
	            foreach (BackupTransport backup in backups) 
				{
	                backup.Disposed = true;
	                ITransport transport = backup.Transport;
	                if (transport != null) 
					{
	                    transport.CommandAsync = DisposedOnCommand;
						transport.Exception = DisposedOnException;
	                    backupsToStop.Add(transport);
	                }
	            }
	            backups.Clear();
	        }
	        
			foreach (ITransport transport in backupsToStop) 
			{
	            try 
				{
	                if (Tracer.IsDebugEnabled) 
					{
	                    Tracer.Debug("Stopped backup: " + transport);
	                }
	                DisposeTransport(transport);
	            } 
				catch (Exception) 
				{
	            }
	        }

			if(transportToStop != null)
            {
                transportToStop.Stop();
            }
        }