public void OnStreamClosed()
{
EnsureNotDisposed();
// do not allow to process twice
if (isClosed)
{
return;
}
// compute hash of last part
ComputeCurrentPartHash();
// trim last data file
if (currentPart != null)
{
long lastDataFileLength = currentPart.FileStream.Position;
currentPart.FileStream.SetLength(lastDataFileLength);
}
// dispose all
DisposeCurrentPart();
// build result
var sequenceInfo = new PackageSequenceInfo(sequenceBaseInfo, totalSize);
packageId = new Dto.PackageHashes(version, segmentHashes, cryptoProvider, sequenceInfo);
logger.LogDebug($"Closed package data files. Written {SizeFormatter.ToString(totalSize)}. Hash is {packageId.PackageId:s}.");
isClosed = true;
}
/// <param name="nestedStream">Can be null if you just want to validate hashes.</param>
public ValidatePackageDataStreamController(ILoggerFactory loggerFactory, CryptoProvider cryptoProvider, PackageSequenceBaseInfo sequenceBaseInfo, Dto.PackageHashes hashes, IEnumerable <PackageDataStreamPart> partsToValidate, Stream nestedStream)
{
logger = (loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory))).CreateLogger <WritePackageDataStreamController>();
this.cryptoProvider = cryptoProvider ?? throw new ArgumentNullException(nameof(cryptoProvider));
this.sequenceBaseInfo = sequenceBaseInfo ?? throw new ArgumentNullException(nameof(sequenceBaseInfo));
this.hashes = hashes ?? throw new ArgumentNullException(nameof(hashes));
parts = (partsToValidate ?? throw new ArgumentNullException(nameof(partsToValidate))).ToArray();
Length = parts.Sum(p => p.PartLength);
// where to write validated data?
this.nestedStream = nestedStream;
writeToNestedStream = nestedStream != null;
if (writeToNestedStream)
{
memStream = new MemoryStream(capacity: (int)sequenceBaseInfo.SegmentLength);
}
}
public LocalPackageInfo(PackageReference reference, PackageDownloadInfo downloadStatus, Dto.PackageHashes hashes, Dto.PackageMeta metadata, PackageSequenceInfo sequence)
{
LockProvider = new PackageLocks();
DownloadMeasure = new MeasureItem(MeasureType.Throughput);
UploadMeasure = new MeasureItem(MeasureType.Throughput);
Reference = reference ?? throw new ArgumentNullException(nameof(reference));
DownloadStatus = downloadStatus ?? throw new ArgumentNullException(nameof(downloadStatus));
Hashes = hashes ?? throw new ArgumentNullException(nameof(hashes));
Metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
Sequence = sequence ?? throw new ArgumentNullException(nameof(sequence));
if (!Reference.Id.Equals(DownloadStatus.PackageId))
{
throw new ArgumentException("Invalid hash.", nameof(downloadStatus));
}
if (!Reference.Id.Equals(Hashes.PackageId))
{
throw new ArgumentException("Invalid hash.", nameof(hashes));
}
if (!Reference.Id.Equals(Metadata.PackageId))
{
throw new ArgumentException("Invalid hash.", nameof(metadata));
}
if (!Metadata.PackageSize.Equals(Sequence.PackageSize))
{
throw new ArgumentException("Invalid size of package sequence.", nameof(sequence));
}
}
private void UpdateHashes(Dto.PackageHashes hashes, string directoryPath = null)
{
string path = Path.Combine(directoryPath ?? CreatePackagePath(hashes.PackageId), PackageHashesFileName);
File.WriteAllBytes(path, app.MessageSerializer.Serialize(hashes));
}