public LogSourcePreprocessing(
LogSourcesPreprocessingManager owner,
IPreprocessingUserRequests userRequests,
Action <YieldedProvider> providerYieldedCallback,
IEnumerable <IPreprocessingStep> initialSteps,
string preprocessingDisplayName,
PreprocessingOptions options) :
this(owner, userRequests, providerYieldedCallback)
{
this.displayName = preprocessingDisplayName;
this.options = options;
preprocLogic = async() =>
{
using (var perfop = new Profiling.Operation(trace, displayName))
{
for (var steps = new Queue <IPreprocessingStep>(initialSteps); steps.Count > 0;)
{
if (cancellation.IsCancellationRequested)
{
break;
}
IPreprocessingStep currentStep = steps.Dequeue();
nextSteps = steps;
await currentStep.Execute(this).ConfigureAwait(continueOnCapturedContext: !isLongRunning);
perfop.Milestone("completed " + currentStep.ToString());
nextSteps = null;
currentDescription = genericProcessingDescription;
}
}
};
}
LogSourcePreprocessing(
LogSourcesPreprocessingManager owner,
IPreprocessingUserRequests userRequests,
Action <YieldedProvider> providerYieldedCallback)
{
this.owner = owner;
this.id = string.Format("{0}.{1}", owner.trace.Prefix, Interlocked.Increment(ref owner.lastPreprocId));
this.providerYieldedCallback = providerYieldedCallback;
// clone formatAutodetect to avoid multithreaded access to the same object from concurrent LogSourcePreprocessing objects
this.formatAutodetect = owner.formatAutodetect.Clone();
this.tempFiles = owner.tempFilesManager;
this.scopedTempFiles = new TempFilesCleanupList(tempFiles);
this.trace = new LJTraceSource("PreprocessingManager", id);
this.userRequests = userRequests;
}
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);
}
};
}
void ILogSourcesPreprocessingManager.SetUserRequestsHandler(IPreprocessingUserRequests userRequests)
{
this.userRequests = userRequests;
}
