public void TestResume()
{
int fileSizeInKB = 100 * 1024;
DMLibDataInfo sourceDataInfo = new DMLibDataInfo(string.Empty);
DMLibDataHelper.AddOneFile(sourceDataInfo.RootNode, DMLibTestBase.FileName, fileSizeInKB);
CancellationTokenSource tokenSource = new CancellationTokenSource();
TransferItem transferItem = null;
var options = new TestExecutionOptions <DMLibDataInfo>();
options.LimitSpeed = true;
bool IsStreamJournal = random.Next(0, 2) == 0;
using (Stream journalStream = new MemoryStream())
{
TransferContext transferContext = IsStreamJournal ? new SingleTransferContext(journalStream) : new SingleTransferContext();
var progressChecker = new ProgressChecker(1, fileSizeInKB * 1024, 0, 1, 0, fileSizeInKB * 1024);
transferContext.ProgressHandler = progressChecker.GetProgressHandler();
options.TransferItemModifier = (fileName, item) =>
{
dynamic transferOptions = DefaultTransferOptions;
if (DMLibTestContext.SourceType == DMLibDataType.CloudFile &&
DMLibTestContext.DestType == DMLibDataType.CloudFile)
{
transferOptions.PreserveSMBAttributes = true;
transferOptions.PreserveSMBPermissions = true;
}
item.CancellationToken = tokenSource.Token;
item.TransferContext = transferContext;
transferItem = item;
item.DisableStreamDispose = true;
item.Options = transferOptions;
};
TransferCheckpoint firstCheckpoint = null, secondCheckpoint = null;
options.AfterAllItemAdded = () =>
{
if (IsStreamJournal &&
(DMLibTestContext.SourceType == DMLibDataType.Stream ||
DMLibTestContext.DestType == DMLibDataType.Stream))
{
return;
}
// Wait until there are data transferred
progressChecker.DataTransferred.WaitOne();
// Store the first checkpoint
if (!IsStreamJournal)
{
firstCheckpoint = transferContext.LastCheckpoint;
}
Thread.Sleep(1000);
// Cancel the transfer and store the second checkpoint
tokenSource.Cancel();
};
if ((DMLibTestContext.SourceType == DMLibDataType.Stream) || (DMLibTestContext.DestType == DMLibDataType.Stream))
{
options.DisableDestinationFetch = true;
}
// Cancel and store checkpoint for resume
var result = this.ExecuteTestCase(sourceDataInfo, options);
if (!IsStreamJournal)
{
secondCheckpoint = transferContext.LastCheckpoint;
}
else
{
if (DMLibTestContext.SourceType == DMLibDataType.Stream || DMLibTestContext.DestType == DMLibDataType.Stream)
{
Test.Assert(result.Exceptions.Count == 1, "Verify job is failed");
Exception jobException = result.Exceptions[0];
Test.Info("{0}", jobException);
VerificationHelper.VerifyExceptionErrorMessage(jobException, "Cannot deserialize to TransferLocation when its TransferLocationType is Stream.");
transferItem.DisableStreamDispose = false;
transferItem.CloseStreamIfNecessary();
return;
}
}
Test.Assert(result.Exceptions.Count == 1, "Verify job is cancelled");
Exception exception = result.Exceptions[0];
Helper.VerifyCancelException(exception);
TransferCheckpoint firstResumeCheckpoint = null, secondResumeCheckpoint = null;
ProgressChecker firstProgressChecker = null, secondProgressChecker = null;
if (!IsStreamJournal)
{
// DMLib doesn't support to resume transfer from a checkpoint which is inconsistent with
// the actual transfer progress when the destination is an append blob.
if (Helper.RandomBoolean() && (DMLibTestContext.DestType != DMLibDataType.AppendBlob || (DMLibTestContext.CopyMethod == DMLibCopyMethod.ServiceSideAsyncCopy)))
{
Test.Info("Resume with the first checkpoint first.");
firstResumeCheckpoint = firstCheckpoint;
secondResumeCheckpoint = secondCheckpoint;
}
else
{
Test.Info("Resume with the second checkpoint first.");
firstResumeCheckpoint = secondCheckpoint;
secondResumeCheckpoint = firstCheckpoint;
}
}
// first progress checker
if (DMLibTestContext.SourceType == DMLibDataType.Stream && DMLibTestContext.DestType != DMLibDataType.BlockBlob)
{
// The destination is already created, will cause a transfer skip
firstProgressChecker = new ProgressChecker(2, fileSizeInKB * 1024, 0, 1 /* failed */, 1 /* skipped */, fileSizeInKB * 1024);
}
else if (DMLibTestContext.DestType == DMLibDataType.Stream || (DMLibTestContext.SourceType == DMLibDataType.Stream && DMLibTestContext.DestType == DMLibDataType.BlockBlob))
{
firstProgressChecker = new ProgressChecker(2, 2 * fileSizeInKB * 1024, 1 /* transferred */, 1 /* failed */, 0, 2 * fileSizeInKB * 1024);
}
else
{
firstProgressChecker = new ProgressChecker(1, fileSizeInKB * 1024, 1, 0, 0, fileSizeInKB * 1024);
}
// second progress checker
if (DMLibTestContext.SourceType == DMLibDataType.Stream)
{
// The destination is already created, will cause a transfer skip
secondProgressChecker = new ProgressChecker(2, fileSizeInKB * 1024, 0, 1 /* failed */, 1 /* skipped */, fileSizeInKB * 1024);
}
else if (DMLibTestContext.DestType == DMLibDataType.Stream)
{
secondProgressChecker = new ProgressChecker(2, 2 * fileSizeInKB * 1024, 1 /* transferred */, 1 /* failed */, 0, 2 * fileSizeInKB * 1024);
}
else if (DMLibTestContext.DestType == DMLibDataType.AppendBlob && (DMLibTestContext.CopyMethod != DMLibCopyMethod.ServiceSideAsyncCopy))
{
secondProgressChecker = new ProgressChecker(1, fileSizeInKB * 1024, 0, 1 /* failed */, 0, fileSizeInKB * 1024);
}
else
{
secondProgressChecker = new ProgressChecker(1, fileSizeInKB * 1024, 1 /* transferred */, 0, 0, fileSizeInKB * 1024);
}
// resume with firstResumeCheckpoint
TransferItem resumeItem = transferItem.Clone();
TransferContext resumeContext = null;
if (IsStreamJournal)
{
Exception deserializeEX = null;
try
{
resumeContext = new SingleTransferContext(journalStream)
{
ProgressHandler = firstProgressChecker.GetProgressHandler()
};
}
catch (Exception ex)
{
if ((DMLibTestContext.SourceType != DMLibDataType.Stream) &&
(DMLibTestContext.DestType != DMLibDataType.Stream))
{
Test.Error("Should no exception in deserialization when no target is stream.");
}
deserializeEX = ex;
}
}
else
{
resumeContext = new SingleTransferContext(IsStreamDirection() ? firstResumeCheckpoint : DMLibTestHelper.RandomReloadCheckpoint(firstResumeCheckpoint))
{
ProgressHandler = firstProgressChecker.GetProgressHandler()
};
}
resumeItem.TransferContext = resumeContext;
result = this.RunTransferItems(new List <TransferItem>()
{
resumeItem
}, new TestExecutionOptions <DMLibDataInfo>());
if (DMLibTestContext.SourceType == DMLibDataType.Stream || DMLibTestContext.DestType == DMLibDataType.Stream)
{
Test.Assert(result.Exceptions.Count == 1, "Verify error reported when source/destination is stream.");
exception = result.Exceptions[0];
VerificationHelper.VerifyExceptionErrorMessage(result.Exceptions[0], "Resuming transfer from or to a stream is not supported");
}
else
{
// For sync copy, recalculate md5 of destination by downloading the file to local.
if (IsCloudService(DMLibTestContext.DestType) && (DMLibTestContext.CopyMethod != DMLibCopyMethod.ServiceSideAsyncCopy))
{
DMLibDataHelper.SetCalculatedFileMD5(result.DataInfo, DestAdaptor);
}
VerificationHelper.VerifySingleObjectResumeResult(result, sourceDataInfo);
}
if (!IsStreamJournal)
{
// resume with secondResumeCheckpoint
resumeItem = transferItem.Clone();
resumeContext = new SingleTransferContext(
IsStreamDirection() ? secondResumeCheckpoint : DMLibTestHelper.RandomReloadCheckpoint(secondResumeCheckpoint))
{
ProgressHandler = secondProgressChecker.GetProgressHandler()
};
resumeItem.TransferContext = resumeContext;
result = this.RunTransferItems(new List <TransferItem>()
{
resumeItem
}, new TestExecutionOptions <DMLibDataInfo>());
if (DMLibTestContext.SourceType == DMLibDataType.Stream || DMLibTestContext.DestType == DMLibDataType.Stream)
{
Test.Assert(result.Exceptions.Count == 1, "Verify error reported when source/destination is stream.");
exception = result.Exceptions[0];
VerificationHelper.VerifyExceptionErrorMessage(result.Exceptions[0], "Resuming transfer from or to a stream is not supported");
}
else if (DMLibTestContext.DestType == DMLibDataType.AppendBlob && (DMLibTestContext.CopyMethod != DMLibCopyMethod.ServiceSideAsyncCopy))
{
Test.Assert(result.Exceptions.Count == 1, "Verify reumse fails when checkpoint is inconsistent with the actual progress when destination is append blob.");
exception = result.Exceptions[0];
Test.Assert(exception is InvalidOperationException, "Verify reumse fails when checkpoint is inconsistent with the actual progress when destination is append blob.");
VerificationHelper.VerifyExceptionErrorMessage(exception, "Destination might be changed by other process or application.");
}
else
{
// For sync copy, recalculate md5 of destination by downloading the file to local.
if (IsCloudService(DMLibTestContext.DestType) && (DMLibTestContext.CopyMethod != DMLibCopyMethod.ServiceSideAsyncCopy))
{
DMLibDataHelper.SetCalculatedFileMD5(result.DataInfo, DestAdaptor);
}
VerificationHelper.VerifySingleObjectResumeResult(result, sourceDataInfo);
}
}
if (DMLibTestContext.SourceType == DMLibDataType.CloudFile &&
DMLibTestContext.DestType == DMLibDataType.CloudFile)
{
Helper.CompareSMBProperties(sourceDataInfo.RootNode, result.DataInfo.RootNode, true);
Helper.CompareSMBPermissions(
sourceDataInfo.RootNode,
result.DataInfo.RootNode,
PreserveSMBPermissions.Owner | PreserveSMBPermissions.Group | PreserveSMBPermissions.DACL | PreserveSMBPermissions.SACL);
}
}
}
public TestResult <DMLibDataInfo> RunTransferItems(List <TransferItem> items, TestExecutionOptions <DMLibDataInfo> options)
{
Dictionary <TransferItem, Task <TransferStatus> > allTasks = new Dictionary <TransferItem, Task <TransferStatus> >();
var testResult = new TestResult <DMLibDataInfo>();
testResult.TransferItems = items;
try
{
foreach (TransferItem item in items)
{
DMLibWrapper wrapper = GetDMLibWrapper(item.SourceType, item.DestType, DMLibTestContext.IsAsync);
if (item.BeforeStarted != null)
{
item.BeforeStarted();
}
try
{
if (options.LimitSpeed)
{
OperationContext.GlobalSendingRequest += this.LimitSpeed;
TransferManager.Configurations.ParallelOperations = DMLibTestConstants.LimitedSpeedNC;
}
if (options.BlockSize.HasValue)
{
TransferManager.Configurations.BlockSize = options.BlockSize.Value;
}
allTasks.Add(item, wrapper.DoTransfer(item));
}
catch (Exception e)
{
testResult.AddException(e);
}
if (item.AfterStarted != null)
{
item.AfterStarted();
}
}
if (options.AfterAllItemAdded != null)
{
options.AfterAllItemAdded();
}
try
{
Task.WaitAll(allTasks.Values.ToArray(), options.TimeoutInMs);
}
catch (Exception e)
{
AggregateException ae = e as AggregateException;
if (ae != null)
{
ae = ae.Flatten();
foreach (var innerE in ae.InnerExceptions)
{
testResult.AddException(innerE);
}
}
else
{
testResult.AddException(e);
}
}
}
finally
{
if (options.LimitSpeed)
{
OperationContext.GlobalSendingRequest -= this.LimitSpeed;
TransferManager.Configurations.ParallelOperations = DMLibTestConstants.DefaultNC;
}
TransferManager.Configurations.BlockSize = DMLibTestConstants.DefaultBlockSize;
}
Parallel.ForEach(allTasks, pair =>
{
TransferItem transferItem = pair.Key;
Task <TransferStatus> task = pair.Value;
transferItem.CloseStreamIfNecessary();
try
{
transferItem.FinalStatus = task.Result;
}
catch (Exception e)
{
transferItem.Exception = e;
}
});
if (!options.DisableDestinationFetch)
{
testResult.DataInfo = DestAdaptor.GetTransferDataInfo(string.Empty);
}
foreach (var exception in testResult.Exceptions)
{
Test.Info("Exception from DMLib: {0}", exception.ToString());
}
return(testResult);
}