private void InitializeModules(ChunkedHandler chunkedHandler, FileInfo destination)
{
_chunkedHandler = chunkedHandler ?? throw new ArgumentNullException(nameof(chunkedHandler));
_writer = new ChunkedFileWriter(destination, _token.Token);
_reader.ChunkRead += (chunk, isLastChunk) => chunkedHandler.AddChunkToQueue(chunk, isLastChunk);
_reader.OnError += error => OnError($"While reading: {error.GetException().Message}");
_chunkedHandler.ChunkHandled += (chunk, isLastChunk) =>
{
if (_token.IsCancellationRequested)
{
return;
}
while (Interlocked.CompareExchange(ref _chunkIndex, 0, 0) != chunk.Index)
{
_chunkWriteEvent.WaitOne();
}
_chunkWriteEvent.Reset();
_writer.WriteChunk(chunk, isLastChunk);
Interlocked.Increment(ref _chunkIndex);
_chunkWriteEvent.Set();
if (isLastChunk)
{
_allBytesWritten.Set();
}
};
_chunkedHandler.OnError += error => OnError($"While handling: {error.GetException().Message}");
int decimalPlaces = 2;
_writer.ChunkWritten += (chunk, isLastChunk) =>
{
double percent = Math.Round((double)_reader.TotalBytesRead / _reader.TotalBytes * 100, decimalPlaces);
PercentProgressChanged?.Invoke(percent);
};
_writer.OnError += error => OnError($"While writting: {error.GetException().Message}");
}
private void WriteRandomBytes(FileInfo fileInfo, int chunksCount)
{
using (var writer = new ChunkedFileWriter(fileInfo, new System.Threading.CancellationToken()))
{
for (int i = 0; i < chunksCount; i++)
{
var chunk = GenerateChunk(i);
writer.WriteChunk(chunk, i + 1 == chunksCount);
}
}
}
public void FileWrite()
{
using (var writer = new ChunkedFileWriter(_writeFileInfo, new System.Threading.CancellationToken()))
{
writer.ChunkWritten += (chunk, isLastChunk) => _proccessedWriteBytes += chunk.Bytes.Length;
writer.OnError += error => Assert.Fail(error.GetException().StackTrace);
var generator = new FileGenerator(_maxChunkSize);
for (int i = 0; i < _chunksCount; i++)
{
writer.WriteChunk(generator.GenerateChunk(i), i + 1 == _chunksCount);
}
}
Assert.AreEqual(_proccessedWriteBytes, _writeFileInfo.Length);
}
public void FileServiceRestoreAsyncTest()
{
SQLiteDatabase db = new SQLiteDatabase(".\\", nameof(FileServiceRestoreAsyncTest));
FileService fmSvc = new FileService(new DaoRepository(db));
fmSvc.ChunkLength = 111299;
ConsoleLogger logger = new ConsoleLogger();
logger.AddDetails = false;
logger.StartLoggingThread();
FileInfo testDataFile = new FileInfo("C:\\Bam\\Data\\Test\\TestDataFile.dll");
ChunkedFileDescriptor chunkedFile = fmSvc.StoreFileChunks(testDataFile);
FileInfo writeTo = new FileInfo($".\\{nameof(FileServiceRestoreAsyncTest)}_restored.dat");
DateTime start = DateTime.UtcNow;
ChunkedFileWriter writer = ChunkedFileWriter.FromFileHash(fmSvc, chunkedFile.FileHash, logger);
writer.Write(writeTo.FullName).Wait();
TimeSpan took = DateTime.UtcNow.Subtract(start);
FileInfo written = new FileInfo(writeTo.FullName);
OutLine(took.ToString(), ConsoleColor.Cyan);
Expect.IsTrue(written.Exists);
Expect.AreEqual(testDataFile.Md5(), written.Md5(), "file content didn't match");
}
public ChunkedFileWriter GetFileWriter(string fileHash)
{
return(ChunkedFileWriter.FromFileHash(this, fileHash, Logger));
}
public void Setup()
{
_compressedFile = new FileInfo("makkonnell_c_sovershennyi_kod_master_klass.pdf.gz");
_decompressedFile = new FileInfo(Guid.NewGuid().ToString());
_decompressorWriter = new ChunkedFileWriter(_decompressedFile, new System.Threading.CancellationToken());
}
public void Setup()
{
_sourceFile = new FileInfo("makkonnell_c_sovershennyi_kod_master_klass.pdf");
_compressedFile = new FileInfo(Guid.NewGuid().ToString());
_compressorWriter = new ChunkedFileWriter(_compressedFile, new CancellationToken());
}
