public void Cut(string mFilePath, List <FilePiece> mQueeue)
{
m_ThreadPieceList = mQueeue;
m_FilePath = mFilePath;
// найдем все якоря, чтобы потом считывать инфу в потоках
var anchorList = new List <long>();
using (var reader = new FileStream(mFilePath, FileMode.Open, FileAccess.Read))
{
while (reader.Position < reader.Length)
{
long anchor = reader.Position;
var buffer = new byte[8];
reader.Read(buffer, 0, 8);
var compressedBlockLength = BitConverter.ToInt32(buffer, 4);
reader.Position += compressedBlockLength - 8;
anchorList.Add(anchor);
}
}
var prop = AppPropertiesSingle.GetInstance();
var elementsEachThread = anchorList.Count / prop.ProcessorCount;
// распределим на разные списки для распараллеливания
m_AnchorListThread = anchorList
.Select((x, i) => new { Index = i, Value = x })
.GroupBy(x => x.Index / elementsEachThread)
.Select(x => x.Select(v => v.Value).ToList())
.ToList();
// параллелим процесс
foreach (var unused in m_AnchorListThread)
{
m_ThreadPieceList.Add(new FilePiece(""));
m_ProgressList.Add(1);
}
int pathsCount = m_AnchorListThread.Count;
var threadList = new List <Thread>();
for (int i = 0; i < pathsCount; i++)
{
threadList.Add(new Thread(CutPath));
threadList[i].IsBackground = true;
threadList[i].Start(i);
}
while (threadList.Any(w => w.IsAlive))
{
NotifyProgress?.Invoke(PercentageCalculate.GetPercentAverage(m_ProgressList).ToString());
Thread.Sleep(100);
}
foreach (var thread in threadList)
{
thread.Join();
}
}
public void Cut(string mFilePath, List <FilePiece> mQueeue)
{
m_ThreadPieceList = mQueeue;
m_FilePath = mFilePath;
// разрежем файл на части, чтобы распараллелить процесс разрезания на кусочки
var app = AppPropertiesSingle.GetInstance();
var prCount = app.ProcessorCount;
var info = new FileInfo(mFilePath);
var fileLength = info.Length;
m_StreamLength = long.Parse((fileLength / prCount).ToString()) + 100;
// параллелим процесс
int pathsCount = prCount;
for (int i = 0; i < prCount; i++)
{
m_ThreadPieceList.Add(new FilePiece(""));
m_ProgressList.Add(1);
}
var threadList = new List <Thread>();
for (int i = 0; i < pathsCount; i++)
{
threadList.Add(new Thread(CutPath));
threadList[i].IsBackground = true;
threadList[i].Start(i);
}
while (threadList.Any(w => w.IsAlive))
{
NotifyProgress?.Invoke(PercentageCalculate.GetPercentAverage(m_ProgressList).ToString());
Thread.Sleep(100);
}
foreach (var thread in threadList)
{
thread.Join();
}
}
