public LogSourcePreprocessing(
LogSourcesPreprocessingManager owner,
IPreprocessingUserRequests userRequests,
Action <YieldedProvider> providerYieldedCallback,
RecentLogEntry recentLogEntry,
PreprocessingOptions options
) :
this(owner, userRequests, providerYieldedCallback)
{
this.options = options;
preprocLogic = async() =>
{
IConnectionParams preprocessedConnectParams = null;
IFileBasedLogProviderFactory fileBasedFactory = recentLogEntry.Factory as IFileBasedLogProviderFactory;
bool interrupted = false;
if (fileBasedFactory != null)
{
using (var perfop = new Profiling.Operation(trace, recentLogEntry.Factory.GetUserFriendlyConnectionName(recentLogEntry.ConnectionParams)))
{
PreprocessingStepParams currentParams = null;
foreach (var loadedStep in LoadStepsFromConnectionParams(recentLogEntry.ConnectionParams))
{
currentParams = await ProcessLoadedStep(loadedStep, currentParams).ConfigureAwait(continueOnCapturedContext: !isLongRunning);
perfop.Milestone(string.Format("completed {0} {1}", loadedStep.Action, loadedStep.Param));
if (currentParams == null)
{
interrupted = true;
break;
}
currentDescription = genericProcessingDescription;
}
if (currentParams != null)
{
preprocessedConnectParams = fileBasedFactory.CreateParams(currentParams.Uri);
currentParams.DumpToConnectionParams(preprocessedConnectParams);
}
}
}
if (!interrupted)
{
var provider = new YieldedProvider(recentLogEntry.Factory, preprocessedConnectParams ?? recentLogEntry.ConnectionParams, "",
(this.options & PreprocessingOptions.MakeLogHidden) != 0);
((IPreprocessingStepCallback)this).YieldLogProvider(provider);
}
};
}
static void AutodetectFormatAndYield(PreprocessingStepParams file, IPreprocessingStepCallback callback)
{
callback.SetStepDescription(string.Format("Detecting format: {0}", file.FullPath));
var progressHandler = new ProgressHandler()
{
callback = callback
};
var detectedFormat = callback.FormatAutodetect.DetectFormat(file.Location, file.FullPath, progressHandler.cancellation.Token, progressHandler);
if (detectedFormat != null)
{
file.DumpToConnectionParams(detectedFormat.ConnectParams);
callback.YieldLogProvider(new YieldedProvider()
{
Factory = detectedFormat.Factory,
ConnectionParams = detectedFormat.ConnectParams,
DisplayName = file.FullPath,
IsHiddenLog = false
});
}
}