public void Cut(string mFilePath, List <FilePiece> mQueeue)
{
using (var reader = new BinaryReader(new FileStream(mFilePath, FileMode.Open, FileAccess.Read)))
{
int counter = 0;
var BUFFER_SIZE = AppPropertiesSingle.GetInstance().m_BufferSize;
long oldPs = 0;
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
reader.BaseStream.Seek(counter * BUFFER_SIZE, SeekOrigin.Begin);
var bufferSize = BUFFER_SIZE;
if (reader.BaseStream.Length - reader.BaseStream.Position <= BUFFER_SIZE)
{
bufferSize = (int)(reader.BaseStream.Length - reader.BaseStream.Position);
}
var arBytes = reader.ReadBytes(bufferSize);
var compressedBytes = ProcessPacking.ProcessArchive(arBytes);
mQueeue.Add(new FilePiece(counter, compressedBytes));
counter++;
long ps = reader.BaseStream.Position * 100 / reader.BaseStream.Length;
if (ps != oldPs)
{
NotifyProgress?.Invoke(ps.ToString());
}
oldPs = ps;
}
}
}
private void CutPath(object o)
{
// индекс потока
int index = (int)o;
// файл, чтобы складывать все с потока
var filePath = AppPropertiesSingle.GetInstance().TempPath;
var tempFileName = index + Path.GetRandomFileName();
filePath = Path.Combine(filePath, tempFileName);
// позиция курсора и конец отрезка в зависимости от идекса потока
long cursorPos = m_StreamLength * index;
long endPos = cursorPos + m_StreamLength;
using (var reader = new BinaryReader(new FileStream(m_FilePath, FileMode.Open, FileAccess.Read)))
{
long BUFFER_SIZE = (long)AppPropertiesSingle.GetInstance().m_BufferSize;
// для расчета прогресса
long counter = 0;
long oldPs = 0;
// создаем файлик для записи
using (var bw = new BinaryWriter(new FileStream(filePath, FileMode.Create)))
{
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
long offset = cursorPos + counter * BUFFER_SIZE;
var ps = (offset - cursorPos) * 100 / (endPos - cursorPos);
if (ps != oldPs)
{
m_ProgressList[index] = ps;
}
if (offset > endPos)
{
break;
}
reader.BaseStream.Seek(offset, SeekOrigin.Begin);
var bufferSize = BUFFER_SIZE;
var nextoffset = cursorPos + (counter + 1) * BUFFER_SIZE;
if (nextoffset > endPos)
{
bufferSize = (int)(endPos - offset);
}
var arBytes = reader.ReadBytes((int)bufferSize);
// заархивируем считанный кусочек
var compBytes = ProcessPacking.ProcessArchive(arBytes);
bw.Write(compBytes);
counter++;
}
}
m_ThreadPieceList[index] = new FilePiece(filePath);
}
}
