public void FinalizeBlobAddition(string bsname, byte[] blobhash, BlobLocation.BlobType blobType)
{
// Handle root blob
BlobLocation rootblocation = GetBlobLocation(blobhash);
if (rootblocation.TotalReferenceCount == 0)
{
IBlobReferenceIterator blobReferences = GetAllBlobReferences(blobhash, blobType, true, false);
// Loop through children
foreach (byte[] reference in blobReferences)
{
BlobLocation blocation = GetBlobLocation(blobhash);
if (blocation.TotalReferenceCount > 0) // This was already stored
{
blobReferences.SkipChildren();
}
IncrementReferenceCountNoRecurse(bsname, blocation, blobhash, 1);
}
}
// Increment root blob
IncrementReferenceCountNoRecurse(bsname, rootblocation, blobhash, 1);
}
public void DecrementReferenceCount(string backupsetname, byte[] blobhash, BlobLocation.BlobType blobtype,
bool includefiles)
{
BlobLocation rootBlobLocation = GetBlobLocation(blobhash);
if (rootBlobLocation.BSetReferenceCounts[backupsetname] == 1) // To be deleted?
{
IBlobReferenceIterator blobReferences = GetAllBlobReferences(blobhash, blobtype, includefiles, false);
foreach (var reference in blobReferences)
{
BlobLocation blocation = GetBlobLocation(reference);
// When we finish iterating over the children, decrement this blob
blobReferences.PostOrderAction(() => IncrementReferenceCountNoRecurse(backupsetname, blocation, reference, -1));
if (rootBlobLocation.BSetReferenceCounts[backupsetname] != 1) // Not to be deleted?
{
// Dont need to decrement child references if this wont be deleted
blobReferences.SkipChildren();
}
}
}
IncrementReferenceCountNoRecurse(backupsetname, rootBlobLocation, blobhash, -1); // must delete parent last so parent can be loaded/used in GetAllBlobReferences()
}
public void TransferBlobAndReferences(BlobStore dst, string dstbackupset, byte[] blobhash,
BlobLocation.BlobType blobtype, bool includefiles)
{
BlobLocation rootDstBlobLocation;
try
{
rootDstBlobLocation = dst.GetBlobLocation(blobhash);
}
catch (KeyNotFoundException)
{
byte[] blob;
(rootDstBlobLocation, blob) = TransferBlobNoReferences(dst, dstbackupset, blobhash, GetBlobLocation(blobhash));
IBlobReferenceIterator blobReferences = GetAllBlobReferences(blobhash, blobtype, includefiles, false);
blobReferences.SupplyData(blob);
foreach (var reference in blobReferences)
{
BlobLocation dstBlobLocation;
try
{
dstBlobLocation = dst.GetBlobLocation(reference);
// Dont need to increment child references if this already exists
blobReferences.SkipChildren();
}
catch (KeyNotFoundException)
{
(dstBlobLocation, blob) = TransferBlobNoReferences(dst, dstbackupset, reference, GetBlobLocation(reference));
blobReferences.SupplyData(blob);
}
// When we finish iterating over the children, increment this blob
blobReferences.PostOrderAction(() => dst.IncrementReferenceCountNoRecurse(dstbackupset, dstBlobLocation, reference, 1));
}
}
dst.IncrementReferenceCountNoRecurse(dstbackupset, rootDstBlobLocation, blobhash, 1);
}