} /* UpdateSipperDriveStats */
private void Download_Click(object sender, EventArgs e)
{
UpdateAvailableBytes();
SipperFileControlBlockList selectedFCBs = GetSelectedFiles();
if (selectedFCBs.Count < 1)
{
MessageBox.Show("No files are selected");
return;
}
CheckHardDriveTimer.Enabled = false; // While we are downloading; we do not want to be periodically
// polling the hard drive. That would interfere with the download.
DownLoadFiles downLoadFiles = new DownLoadFiles(disk, selectedFCBs, destDir);
downLoadFiles.ShowDialog();
downLoadFiles.Dispose();
downLoadFiles = null;
UpdateAvailableBytes();
for (int x = 0; x < SipperFileListView.Items.Count; x++)
{
FcbListViewItem fcbLVI = (FcbListViewItem)SipperFileListView.Items[x];
SipperFileControlBlock fcb = fcbLVI.FCB;
if (fcb.DownLoaded)
{
fcbLVI.BackColor = Color.LightGray;
}
}
CheckHardDriveTimer.Enabled = true;
} /* Download_Click */
public FileCopyStats(SipperFileControlBlock _fcb,
ListViewItem _lvi
)
{
lvi = _lvi;
fcb = _fcb;
size = fcb.FileSizeInBytes;
copied = 0;
left = fcb.FileSizeInBytes;
updateDisplay = true;
bytesSkipped = 0;
UpdateDisplayFields();
}
public FcbListViewItem(SipperFileControlBlock _fcb) :
base(_fcb.FileName)
{
fcb = _fcb;
double fileSizeMeg = (double)(fcb.FileSizeInBytes) / 1000000.0;
SubItems.Add(fcb.TimeStamp.ToString("yyyy/MMM/dd - HH:mm:ss"));
SubItems.Add(fileSizeMeg.ToString("###,##0.00" + " Mb"));
SubItems.Add(fcb.StartSector.ToString("###,###,##0"));
SubItems.Add(fcb.EndSector.ToString("###,###,##0"));
SubItems.Add(fcb.Desccription);
if (fcb.DownLoaded)
{
BackColor = Color.LightGray;
}
}
} /* UpdateSelectedBytes */
private SipperFileControlBlockList GetSelectedFiles()
{
SipperFileControlBlockList selectedFCBs = new SipperFileControlBlockList();
ListView.CheckedListViewItemCollection checkedItems = SipperFileListView.CheckedItems;
foreach (ListViewItem lvi in checkedItems)
{
SipperFileControlBlock fcb = ((FcbListViewItem)lvi).FCB;
if (!fcb.DownLoaded)
{
selectedFCBs.Add(fcb);
}
}
return(selectedFCBs);
} /* GetSelectedFiles */
} /* FcbListViewItem */
protected void ViewSipperFile(Object sender,
EventArgs e
)
{
//int x = 7878;
//SipperFileListView.Mou
if (SipperFileListView.SelectedItems.Count == 1)
{
SipperFileControlBlock fcb = ((FcbListViewItem)SipperFileListView.SelectedItems[0]).FCB;
SipperDiskFile sdf = null;
try
{
sdf = disk.OpenSipperDiskFile(fcb.FcbIndex);
}
catch (Exception)
{
MessageBox.Show("ViewSipperFile[" + fcb.FileName + "] Could not be opened");
return;
}
BufferedStream bs = new BufferedStream(sdf, 100 * 1024);
SipperFileViewer.SipperFileViewer sfv = new SipperFileViewer.SipperFileViewer(bs, "SIPPER Disk Manager [" + fcb.FileName + "]", fcb.FileName);
//SipperFileViewer.SipperFileViewer sfv = new SipperFileViewer.SipperFileViewer (sdf, "SIPPER Disk Manager [" + fcb.FileName + "]", fcb.FileName);
sfv.ShowDialog();
sfv.Dispose();
bs.Dispose();
bs = null;
sdf.Close();
sdf.Dispose();
sdf = null;
}
} /* ViewSipperFile */
} /* BuildFileListView */
private void CopyFileList()
{
int readBlockSizeMax = 100 * 1024;
int readBlockSize = readBlockSizeMax;
int readErrorsInARow = 0;
downLoadingRunning = true;
byte[] buff = new byte[readBlockSizeMax];
foreach (FileCopyStats fcs in fileCopyStatsList)
{
SipperFileControlBlock fcb = fcs.Fcb;
SipperDiskFile s = disk.OpenSipperDiskFile(fcb.FcbIndex);
if (s == null)
{
return;
}
fcs.Size = s.Length;
string destFileName = OSservices.AddSlash(destDir) + fcs.FileName;
destFileName = destFileName.Trim('\0') + ".spr";
FileStream destFile = null;
try
{
destFile = new FileStream(destFileName, FileMode.Create, FileAccess.Write, FileShare.None);
}
catch (Exception e)
{
MessageBox.Show("Error opening File[" + destFileName + "] occurred." + "\n\n" + e.ToString(),
"CopyFileList",
MessageBoxButtons.OK
);
// We will try continuing on to the next file to download.
continue;
}
currentFCS = fcs;
bool eof = false;
long nextReadOffset = 0;
long bytesToSkipped = 0;
while ((!downLoadingTerminate) && (!eof))
{
int bytesRead = 0;
try
{
if (nextReadOffset != s.Position)
{
s.Seek(nextReadOffset, SeekOrigin.Begin);
}
bytesRead = s.Read(buff, 0, readBlockSize);
nextReadOffset = s.Position;
if (bytesRead == 0)
{
eof = true;
}
else
{
// Since we did not have an error; we might as well set the
// readBlockSize to its max
readBlockSize = buff.Length;
readErrorsInARow = 0;
bytesToSkipped = 0;
}
}
catch (Exception e)
{
DialogResult dr = MessageBox.Show("Disk Error Occurred trying to read SIPPER disk" + "\n\n" +
"Do you want to keep on reading?" + "\n\n" +
e.ToString(),
"CopyFileList",
MessageBoxButtons.YesNo
);
if (dr == DialogResult.No)
{
eof = true;
break;
}
else
{
readErrorsInARow++;
readBlockSize = 4096;
if (readErrorsInARow < 5)
{
bytesToSkipped = 4 * 1024;
}
else if (readErrorsInARow < 10)
{
bytesToSkipped = 20 * 1024;
}
else if (readErrorsInARow < 15)
{
bytesToSkipped = 100 * 1024;
}
else if (readErrorsInARow < 20)
{
bytesToSkipped = 1024 * 1024;
}
else
{
bytesToSkipped = 10 * 1024 * 1024;
}
}
nextReadOffset += bytesToSkipped;
}
if (!eof)
{
try { destFile.Write(buff, 0, bytesRead); }
catch (Exception e)
{
downLoadingTerminate = true;
MessageBox.Show(e.ToString(), "Error saving Sipper File[" + fcs.FileName + "]", MessageBoxButtons.OK);
break;
}
fcs.AddToCopied(bytesRead);
fcs.AddToSkipped(bytesToSkipped);
bytesCopied += bytesRead;
}
}
s.Close();
s.Dispose();
s = null;
destFile.Close();
destFile.Dispose();
destFile = null;
if (fcs.Copied >= fcs.Size)
{
fcb.DownLoaded = true;
}
if (downLoadingTerminate)
{
break;
}
filesCopied++;
}
downLoadingRunning = false;
closeForm = true;
} /* CopyFileList */
