/// <summary>
/// Technical File Copy, using stream and buffer to improve perf on large files and allow progressCallback
/// Can be optimised for smaller file
/// TODO: Set the buffer size as parameter
/// </summary>
/// <param name="file">Files to copy</param>
/// <param name="progressCallback">give the information on file copy progress</param>
/// <returns>Task to manage asynch</returns>
public static async Task CopyData(scFile file, Action <string, Constants.Status, long> progressCallback)
{
var from = file.FromName;
var to = file.ToName;
using (var outStream = new FileStream(to, FileMode.Create, FileAccess.Write, FileShare.Read))
{
using (var inStream = new FileStream(from, FileMode.Open, FileAccess.Read, FileShare.Read))
{
//await inStream.CopyToAsync(outStream);
try
{
int bufferLength = 1280;
byte[] buffer = new byte[bufferLength];
int bytesRead = 0;
int iIteration = 1;
do
{
bytesRead = inStream.Read(buffer, 0, bufferLength);
outStream.Write(buffer, 0, bytesRead);
progressCallback(file.FromName, Constants.Status.InProgress, iIteration * bufferLength);
}while (bytesRead != 0);
}
catch (Exception)
{
progressCallback(file.FromName, Constants.Status.CopyError, 0);
throw;
}
}
}
progressCallback(file.FromName, Constants.Status.Finished, file.FileSize);
}
public void add(string sEntry, string sOriginDir, string sDestDir, Constants.Action aAction)
{
try
{
// get the file attributes for file or directory
FileAttributes attr = File.GetAttributes(sEntry);
//detect whether its a directory or file
if ((attr & FileAttributes.Directory) == FileAttributes.Directory)
{
scDir dir = new scDir();
DirectoryInfo di = new DirectoryInfo(sEntry);
dir.FromName = di.FullName;
dir.ToName = di.FullName.Replace(sOriginDir, sDestDir);
dir.Action = aAction;
this._lfDirs.Add(dir);
}
else
{
scFile file = new scFile();
FileInfo fi = new FileInfo(sEntry);
file.FileSize = fi.Length;
file.FromName = fi.FullName;
file.ToName = fi.FullName.Replace(sOriginDir, sDestDir);
file.Action = aAction;
this._lfFiles.Add(file);
}
}
catch (Exception ex)
{
throw ex;
}
}