public LogBufferItemKey(
XEventsExportSettings.LogSourceSettings setting,
DateTime period,
string logFile)
{
Settings = setting;
Period = period;
LogFile = logFile;
}
public async Task <ExtendedEventsPosition> GetLastPosition(
XEventsExportSettings.LogSourceSettings logSettings,
string directoryName)
{
ExtendedEventsPosition position = null;
if (LogPositions.TryGetValue(logSettings, out ConcurrentDictionary <string, ExtendedEventsPosition> settingPositions))
{
settingPositions.TryGetValue(directoryName, out position);
}
return(position);
}
private async Task LogExportJob(
XEventsExportSettings.LogSourceSettings settings,
CancellationToken cancellationToken)
{
while (true)
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
bool bufferBlocked = (_logBuffers.TotalItemsCount >= _settings.Export.Buffer.MaxBufferSizeItemsCount);
try
{
if (!bufferBlocked)
{
using (XEventExportMaster exporter = new XEventExportMaster(
OnSend, null, OnErrorExportDataToBuffer
))
{
exporter.SetXEventsPath(settings.SourcePath);
var target = new ExtendedEventsOnBuffer(_logBuffers, settings.Portion);
target.SetLogSettings(settings);
exporter.SetTarget(target);
await exporter.StartSendEventsToStorage(cancellationToken);
}
}
if (bufferBlocked)
{
await Task.Delay(100, cancellationToken);
}
else if (_settings.WatchMode.Use)
{
await Task.Delay(_settings.WatchMode.Periodicity, cancellationToken);
}
else
{
break;
}
}
catch (Exception e)
{
RaiseOnError(new OnErrorExportSharedBufferEventArgs(
new ExportSharedBufferException("Log export job failed.", e, settings)));
await Task.Delay(60000, cancellationToken);
}
}
}
public async Task SaveLogsAndPosition(
XEventsExportSettings.LogSourceSettings logSettings,
ExtendedEventsPosition position,
IList <XEventData> rowsData
)
{
if (position == null)
{
return;
}
lock (logSettings.LockObject)
{
var logFileInfo = new FileInfo(position.CurrentFileData);
SaveLogs(logSettings, position, rowsData, logFileInfo);
}
}
private void SaveLogs(
XEventsExportSettings.LogSourceSettings logSettings,
ExtendedEventsPosition position,
IList <XEventData> rowsData,
FileInfo logFileInfo)
{
var newBufferItem = new LogBufferItem();
newBufferItem.LogPosition = position;
foreach (var rowData in rowsData)
{
newBufferItem.LogRows.TryAdd(new EventKey()
{
Id = Guid.NewGuid(),
File = logFileInfo
}, rowData);
}
LogBuffer.TryAdd(new LogBufferItemKey(logSettings, DateTime.UtcNow, logFileInfo.FullName),
newBufferItem);
LogPositions.AddOrUpdate(logSettings,
(settings) =>
{
var newPositions = new ConcurrentDictionary <string, ExtendedEventsPosition>();
newPositions.AddOrUpdate(logFileInfo.Name,
(fileName) => position,
(fileName, oldPosition) => position);
return(newPositions);
},
(settings, logBufferItem) =>
{
logBufferItem.AddOrUpdate(logFileInfo.Name,
(fileName) => position,
(fileName, oldPosition) => position);
return(logBufferItem);
});
}
public void SetLogSettings(XEventsExportSettings.LogSourceSettings logSettings)
{
_logSettings = logSettings;
}
public ExportSharedBufferException(string message, Exception innerException, XEventsExportSettings.LogSourceSettings settings)
: base(message, innerException)
{
Settings = settings;
}
