private (string, string) GetPaths()
{
string outputDirectory = _configuration["output-directory"];
int newFilePathSize = _dialog.ReadValue(sizeof(int), value => BitConverter.ToInt32(value, 0));
string newRelativeFilePath = _dialog.ReadValue(newFilePathSize, value => Encoding.GetEncoding("UTF-8").GetString(value));
return(
_fileSystem.Path.Combine(outputDirectory, _dialog.DialogData.RelativeFilePath),
_fileSystem.Path.Combine(outputDirectory, newRelativeFilePath));
}
public virtual void ProcessRequest()
{
string absolutePath = _fileSystem.Path.Combine(_outputDirectory, _dialog.DialogData.RelativeFilePath);
if (ClientAndServerFileHashesAreEqual(absolutePath))
{
return;
}
CreateRelativeDirectory(absolutePath);
string tmpFilePath = GenerateTempFilePath(absolutePath);
RemoveExistingFile(tmpFilePath);
using (var destinationStream = _fileSystem.File.Open(tmpFilePath, FileMode.CreateNew))
{
int takenFromCache = 0;
int readFromNetwork = 0;
while (true)
{
string hash = _dialog.ReadValue(_hashSize, ToHex);
if (string.IsNullOrWhiteSpace(hash))
{
break;
}
string segmentPath = GetSegmentPath(_outputDirectory, hash);
CreateRelativeDirectory(segmentPath);
byte[] fileSegment;
if (_fileSystem.File.Exists(segmentPath))
{
_dialog.NotifyClient(actionIsNeeded: false);
fileSegment = _fileSystem.File.ReadAllBytes(segmentPath);
takenFromCache++;
}
else
{
_dialog.NotifyClient(actionIsNeeded: true);
fileSegment = _dialog.ReadValue(int.Parse(_configuration["segment-size"]), value => value);
_fileSystem.File.WriteAllBytes(segmentPath, fileSegment);
readFromNetwork++;
}
destinationStream.Write(fileSegment, 0, fileSegment.Length);
}
Log.Information($"For file {absolutePath}, {takenFromCache} segments were taken from cache, {readFromNetwork} were read from network.");
}
RemoveExistingFile(absolutePath);
_fileSystem.File.Move(tmpFilePath, absolutePath);
}