/// <summary>
        /// This executes every time a local configuration change is made.  It is more convenient
        /// that OnConfigurationChanged
        /// </summary>
        /// <param name="_"></param>
        private void AgentConnected(AgentConnectedEvent _)
        {
            _spanStreamingService.Shutdown(false);
            _schedulerSvc.StopExecuting(ReportSupportabilityMetrics);

            var oldCapacity       = (_spanEvents?.Capacity).GetValueOrDefault(0);
            var oldPartitionCount = (_spanEvents?.PartitionCount).GetValueOrDefault(0);
            var oldCount          = (_spanEvents?.Count).GetValueOrDefault(0);

            var oldCollection = _spanEvents != null
                ? Interlocked.Exchange(ref _spanEvents, null)
                : null;

            var newCapacity       = _configuration.InfiniteTracingQueueSizeSpans;
            var newPartitionCount = Math.Min(_configuration.InfiniteTracingQueueSizeSpans, _configuration.InfiniteTracingPartitionCountSpans);

            if (!IsServiceEnabled || newCapacity <= 0 || newPartitionCount <= 0 || newPartitionCount > 62)
            {
                if (oldCount > 0)
                {
                    RecordDroppedSpans(oldCount);
                }

                if (IsServiceEnabled)
                {
                    Log.Info($"SpanEventAggregatorInfiniteTracing: Configuration is invalid - Infinite Tracing will NOT be enabled.");
                    LogConfiguration();
                }

                return;
            }

            if (oldCapacity == newCapacity && oldPartitionCount == newPartitionCount && oldCollection != null)
            {
                _spanEvents = oldCollection;
            }
            else
            {
                var overflowCount = oldCount - newCapacity;
                if (overflowCount > 0)
                {
                    RecordDroppedSpans(overflowCount);
                }

                _spanEvents = oldCollection != null
                    ? new PartitionedBlockingCollection <Span>(newCapacity, newPartitionCount, oldCollection)
                    : new PartitionedBlockingCollection <Span>(newCapacity, newPartitionCount);
            }

            LogConfiguration();

            _schedulerSvc.ExecuteEvery(ReportSupportabilityMetrics, TimeSpan.FromMinutes(1));
            _spanStreamingService.StartConsumingCollection(_spanEvents);
        }
Exemplo n.º 2
0
 private void OnAgentConnected(AgentConnectedEvent _)
 {
     if (IsEnabled)
     {
         _scheduler.ExecuteEvery(Harvest, HarvestCycle);
     }
     else
     {
         _scheduler.StopExecuting(Harvest, TimeSpan.FromSeconds(2));
     }
 }