/// <summary>
/// Save statistics data to database.
/// </summary>
/// <param name="saveAll">Current time interval would not be saved if false.</param>
private void SaveStatistics(bool saveAll)
{
var stats = new List <StatisticsRecord>();
lock (_lock)
{
DateTime currentTimestampBucket = GetCurrentTimestampBucket();
var newData = new Dictionary <DateTime, Dictionary <Guid?, StatisticsRecord> >();
foreach (var bucketData in _statData)
{
if (!saveAll && bucketData.Key == currentTimestampBucket)
{
newData.Add(bucketData.Key, bucketData.Value);
}
else
{
stats.AddRange(bucketData.Value.Values);
}
}
_statData.Clear();
foreach (var stat in newData)
{
_statData[stat.Key] = stat.Value;
}
}
if (stats.Count != 0)
{
_saveService.Save(stats);
}
}
/// <summary>
/// Save statistics data to database.
/// </summary>
/// <param name="saveAll">Current time interval would not be saved if false.</param>
private void SaveStatistics(bool saveAll)
{
var stats = new List <StatisticsRecord>(_unsavedStatistics);
_unsavedStatistics.Clear();
lock (_lock)
{
DateTime currentTimestampBucket = GetCurrentTimestampBucket();
var newData = new Dictionary <DateTime, Dictionary <Guid?, StatisticsRecord> >();
foreach (var bucketData in _statData)
{
if (!saveAll && bucketData.Key == currentTimestampBucket)
{
newData.Add(bucketData.Key, bucketData.Value);
}
else
{
stats.AddRange(bucketData.Value.Values);
}
}
_statData.Clear();
foreach (var stat in newData)
{
_statData[stat.Key] = stat.Value;
}
}
if (stats.Count != 0)
{
try
{
_saveService.Save(stats);
}
catch (Exception exception)
{
_unsavedStatistics.AddRange(stats);
_logger.LogError("Error of statistics saving, we try to next time...", exception.ToString());
}
}
}
private void TimerCallBack(object state)
{
var stats = new List <StatisticsRecord>();
try
{
var subscriptionsQueueEntries = GetWatchedQueues();
foreach (var q in subscriptionsQueueEntries)
{
var subPk = ((KeyGuid)(q.Subscription.__PrimaryKey)).Guid;
_previousMessageStats.TryGetValue(subPk, out var previousMessageStats);
var statisticsRecord = GetStatisticsByQueue(q, previousMessageStats);
if (!IsZerroStatistics(statisticsRecord))
{
stats.Add(statisticsRecord);
}
_previousMessageStats[subPk] = q.Queue.MessageStats;
}
}
catch (Exception e)
{
_logger.LogError("Error was raised while getting statistics from Rabbit MQ.", e.ToString());
}
try
{
_statisticsSaveService.Save(stats);
}
catch (Exception e)
{
_logger.LogError("A error was raised while writing statistics from Rabbit MQ to a Database.", e.ToString());
}
}