public StreamPartsProviderSupplier(FillNotifiableWriteOnlyStreamDecorator flashDumpWriteStream, DumpParserPartsProvider partsProvider)
{
_flashDumpWriteStream = flashDumpWriteStream;
_partsProvider = partsProvider;
flashDumpWriteStream.LengthChangedAsync += FlashDumpWriteStream_SizeChangedAsync;
}
public async static Task <FlashStreamReader> CreateAsync(RUSDeviceId device,
IDictionary <RUSDeviceId, IEnumerable <IDataEntity> > formats,
IFlashDumpDataParserFactory parserFactory,
AsyncOperationInfo operationInfo)
{
var flashDumpPath = Storaging.GetTempFilePath();
var baseStream = new FileStream(flashDumpPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read);
var flashDumpWriteStream = new FillNotifiableWriteOnlyStreamDecorator(CHUNK_SIZE, baseStream);
var partsProvider = new DumpParserPartsProvider(flashDumpPath);
var partsProviderSupplier = new StreamPartsProviderSupplier(flashDumpWriteStream, partsProvider);
var scope = new DeviceOperationScope(new FlashDumpStreamParameter(flashDumpWriteStream));
var sections = formats.Select(f =>
new SectionedDataPacketParser.Section(
f.Key,
new DataPacketParser(EntitiesDeserializer.ExtractDataPacketDescriptors(f.Value))))
.ToArray();
var dataParser = new SectionedDataPacketParser(sections);
var parserFuture = parserFactory.CreateFromRawPartsAsync(partsProvider.RawDumpParts(), dataParser, operationInfo);
return(new FlashStreamReader(scope, device, formats, parserFuture, partsProviderSupplier, flashDumpWriteStream, flashDumpPath));
}
