internal FileShareTrimmer(
string folderName,
string destinationPath,
FolderTrimmer.DestinationOperationPerformer destinationOperationPerformer,
string localMap,
TimeSpan fileDeletionAge)
{
// Initialization
this.traceSource = new FabricEvents.ExtensionsEvents(FabricEvents.Tasks.FabricDCA);
this.logSourceId = string.Concat(TraceType, "-", Guid.NewGuid().ToString("P"));
this.destinationPath = destinationPath;
this.destinationOperationPerformer = destinationOperationPerformer;
this.localMap = localMap;
this.localMapTrimmingHelper = new LocalMapTrimmingHelper(folderName);
this.folderTrimmer = new FolderTrimmer(
this.traceSource,
this.logSourceId,
fileDeletionAge);
this.perfHelper = new FileSharePerformance(this.traceSource, this.logSourceId);
// File deletion is done one at a time, so the
// concurrency count is 1.
this.perfHelper.ExternalOperationInitialize(
ExternalOperationTime.ExternalOperationType.FileShareDeletion,
1);
// Create a timer to delete old logs
string timerId = string.Concat(
this.logSourceId,
OldLogDeletionTimerIdSuffix);
var oldLogDeletionInterval = (fileDeletionAge < TimeSpan.FromDays(1)) ?
FileShareUploaderConstants.OldLogDeletionIntervalForTest :
FileShareUploaderConstants.OldLogDeletionInterval;
this.oldLogDeletionTimer = new DcaTimer(
timerId,
this.DeleteOldFilesHandler,
oldLogDeletionInterval);
this.oldLogDeletionTimer.Start();
}
internal FileShareUploader(
FabricEvents.ExtensionsEvents traceSource,
string logSourceId,
bool runningOnBehalfOfApplication,
string folderName,
string destinationPath,
AccessInformation accessInfo,
string workFolder,
TimeSpan uploadInterval,
TimeSpan fileSyncInterval,
TimeSpan fileDeletionAge,
bool destinationIsLocalAppFolder,
string fabricNodeId)
: base(
traceSource,
logSourceId,
folderName,
destinationPath,
workFolder,
uploadInterval,
fileSyncInterval)
{
// Initialization
this.destinationPath = destinationPath;
this.accessInfo = accessInfo;
var impersonationRequiredForAppStoreAccess = Utility.IsImpersonationRequiredForAppDiagnosticStoreAccess();
if (runningOnBehalfOfApplication &&
(false == destinationIsLocalAppFolder) &&
impersonationRequiredForAppStoreAccess &&
(FileShareAccessAccountType.None == this.accessInfo.AccountType))
{
const string Message =
"Impersonation is required to access the file share, but credentials for impersonation have not been provided.";
this.TraceSource.WriteError(
this.LogSourceId,
Message);
throw new InvalidOperationException(Message);
}
// Create the staging folder where we copy the files temporarily before impersonating
// and copying it to the final destination.
try
{
Utility.PerformIOWithRetries(
() =>
{
if (IsStagingFolderNeededForCopy(folderName))
{
CreateStagingFolderForCopy(workFolder);
}
});
}
catch (Exception e)
{
throw new IOException(string.Format("Unable to create staging directory for work directory {0}.", workFolder), e);
}
// Check that the destination folder exists or can be created.
try
{
Utility.PerformIOWithRetries(
() =>
this.PerformDestinationOperation(
ctx =>
{
var destPath = (string)ctx;
if (FabricDirectory.Exists(destPath))
{
return true;
}
FabricDirectory.CreateDirectory(destPath);
return true;
},
this.destinationPath));
}
catch (Exception e)
{
throw new IOException(string.Format("Unable to create destination directory {0}.", this.destinationPath), e);
}
this.perfHelper = new FileSharePerformance(this.TraceSource, this.LogSourceId);
// File copy is done one at a time, so the concurrency count is 1.
this.perfHelper.ExternalOperationInitialize(
ExternalOperationTime.ExternalOperationType.FileShareCopy,
1);
// Check if a trimmer already exists to delete old files from this destination
lock (Trimmers)
{
if (Trimmers.ContainsKey(this.destinationPath))
{
// Trimmer already exists. Increment its reference count.
TrimmerInfo trimmerInfo = Trimmers[this.destinationPath];
trimmerInfo.RefCount++;
}
else
{
// Trimmer does not exist. Create it.
FileShareTrimmer trimmer = new FileShareTrimmer(
folderName,
this.destinationPath,
this.PerformDestinationOperation,
LocalMapFolderPath,
fileDeletionAge);
TrimmerInfo trimmerInfo = new TrimmerInfo
{
RefCount = 1,
Trimmer = trimmer
};
Trimmers[this.destinationPath] = trimmerInfo;
}
}
}
