void SourceRead_DoWork(object sender, DoWorkEventArgs e)
{
byte[] TempData = new byte[MaxNumBytesPerTime];
while (!SourceRead.CancellationPending)
{
StartSource.WaitOne();
long SizeToCopy = SourceInfo.Length;
uint SizeReadyToCopy = 0;
FileStream SourceFile = null;
try
{
SourceFile = new FileStream(source, FileMode.Open, FileAccess.Read, FileShare.None, MaxNumBytesPerTime, FileOptions.SequentialScan);
while (SizeToCopy > 0 && CopyRunning)
{
SizeReadyToCopy = (uint)Math.Min(SizeToCopy, MaxNumBytesPerTime);
if (SizeReadyToCopy != SourceFile.Read(TempData, 0, (int)SizeReadyToCopy))
{
throw new Exception("Не совпадают размеры для считывания " + SizeReadyToCopy.ToString());
}
while (CircBuf.GetFIFOCounterFreeWithWait() < SizeReadyToCopy && CopyRunning)
{
;
}
CircBuf.WriteData(ref TempData, 0, SizeReadyToCopy);
SizeToCopy -= SizeReadyToCopy;
}
}
catch (Exception ex)
{
ErrorWorkProc.ErrorProcess(ex);
}
finally
{
if (SourceFile != null)
{
SourceFile.Close();
}
SourceComplited.Set();
}
}
}
public bool Start(string Source, string Destination, bool WaitCompletion)
{
if (Source == null || Destination == null ||
!File.Exists(Source))
{
return(false);
}
source = Source;
destination = Destination;
SizeCopied = 0;
SourceInfo = new FileInfo(source);
if (File.Exists(destination))
{
c_SysIO.DeleteFile(destination);
}
CircBuf.AbortWait(false);
CircBuf.FlushBuffer();
CopyRunning = true;
DestinationComplited.Reset();
SourceComplited.Reset();
StartSource.Set();
StartDestination.Set();
if (WaitCompletion)
{
WaitResult();
}
CopyRunning = false;
return(true);
}
public void WaitResult()
{
DestinationComplited.WaitOne();
SourceComplited.WaitOne();
}
