public static void MoveCacheToFile(StreamIdentifier <TId> streamIdentifier, Guid cacheId, TId fileId)
{
var cacheFolder = StreamIdentifierCache.GetCachFolderPath(cacheId);
var fileCachePath = Path.Combine(cacheFolder, "file");
var dataCachePath = Path.Combine(cacheFolder, "data");
var saveFolder = streamIdentifier.DirectoryManager.GetFolderPath(fileId);
if (CrossDirectoryInfo.Current.Exists(saveFolder))
{
throw new Exception("directory exist!");
}
CrossDirectoryInfo.Current.CreateDirectory(saveFolder);
CrossFileInfo.Current.Move(fileCachePath, Path.Combine(saveFolder, "file"));
var dataCache = JsonConvert.DeserializeObject <FileInfoCache>(CrossFileInfo.Current.ReadAllText(dataCachePath, Encoding.UTF8));
FileInfo <TId> fileInfo = new FileInfo <TId>()
{
CreatedDateTime = DateTime.Now,
Id = fileId,
FileName = dataCache.FileName,
FileSize = dataCache.FileSize,
IsComplete = true,
DataType = dataCache.DataType
};
CrossFileInfo.Current.WriteAllText(Path.Combine(saveFolder, "data"), JsonConvert.SerializeObject(fileInfo), Encoding.UTF8);
DeleteFolder(cacheId);
}
internal static bool DeleteFolder(Guid cacheId)
{
try
{
var saveFolder = StreamIdentifierCache.GetCachFolderPath(cacheId);
while (saveFolder.Length > StreamIdentifierCache.DefaultCacheFolderPath.Length)
{
if (CrossDirectoryInfo.Current.GetDirectories(saveFolder).Length == 0)
{
CrossDirectoryInfo.Current.Delete(saveFolder, true);
}
else
{
break;
}
saveFolder = Path.GetDirectoryName(saveFolder);
}
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public StreamIdentifierFileUploadResult StartUpload(FileInfoCache fileInfoCache, Stream streamToSave, long startPosition, long length)
{
try
{
CurrentFileInfoCache = fileInfoCache;
CurrentStream = streamToSave;
bool haveToRemove = false;
StreamIdentifierCache disposeStreamIdentifier = null;
lock (staticLock)
{
if (UploadingStreamsByGuid.TryGetValue(fileInfoCache.Id, out disposeStreamIdentifier))
{
haveToRemove = true;
}
else
{
UploadingStreamsByGuid.TryAdd(fileInfoCache.Id, this);
}
}
if (haveToRemove)
{
disposeStreamIdentifier.Dispose();
}
var folderPath = GetCachFolderPath(fileInfoCache.Id);
if (!CrossDirectoryInfo.Current.Exists(folderPath))
{
CrossDirectoryInfo.Current.CreateDirectory(folderPath);
}
var filePath = Path.Combine(folderPath, "file");
var dataPath = Path.Combine(folderPath, "data");
CrossFileInfo.Current.WriteAllText(dataPath, JsonConvert.SerializeObject(fileInfoCache), Encoding.UTF8);
using (FileStream fileStream = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
fileStream.Seek(startPosition, SeekOrigin.Begin);
byte[] readBytes = new byte[1024 * 200];
long writed = 0;
while (!isDisposed)
{
var readCount = streamToSave.Read(readBytes, 0, readBytes.Length);
if (readCount <= 0)
{
break;
}
fileStream.Write(readBytes, 0, readCount);
writed += readCount;
if (writed == length)
{
break;
}
}
if (fileStream.Length > fileInfoCache.FileSize)
{
fileStream.SetLength(fileInfoCache.FileSize);
}
if (fileStream.Length == fileInfoCache.FileSize)
{
fileStream.Seek(0, SeekOrigin.Begin);
var checkSum = FileChecksumMaker.GetFileCheckSum(fileStream);
var errors = FileChecksumMaker.GetErrorsFromTwoCheckSum(checkSum, fileInfoCache.FileChecksumInfo);
if (errors.Count == 0)
{
return(StreamIdentifierFileUploadResult.Success);
}
else
{
return(StreamIdentifierFileUploadResult.FileCheckSumIsWrong);
}
}
else
{
return(StreamIdentifierFileUploadResult.FileSizeIsWrong);
}
}
}
catch (Exception ex)
{
return(StreamIdentifierFileUploadResult.Exception);
}
finally
{
Dispose();
}
}
