public void RollBack()
{
foreach (DownloadFileInfo file in _downloadFileListTemp)
{
string tempUrlPath = DownloadFileInfo.GetFolderUrl(file);
string oldPath = string.Empty;
try
{
if (!string.IsNullOrEmpty(tempUrlPath))
{
oldPath = Path.Combine(CommonUnitity.SystemBinUrl + tempUrlPath.Substring(1), file.FileName);
}
else
{
oldPath = Path.Combine(CommonUnitity.SystemBinUrl, file.FileName);
}
if (oldPath.EndsWith("_"))
{
oldPath = oldPath.Substring(0, oldPath.Length - 1);
}
MoveFolderToOld(oldPath + ".old", oldPath);
}
catch (Exception ex)
{
//log the error message,you can use the application's log code
}
}
}
private void ProcDownload(object o)
{
string tempFolderPath = Path.Combine(CommonUnitity.SystemBinUrl, Constant.Tempfoldername);
if (!Directory.Exists(tempFolderPath))
{
Directory.CreateDirectory(tempFolderPath);
}
_evtPerDonwload = new ManualResetEvent(false);
foreach (DownloadFileInfo file in _downloadFileList)
{
_total += file.Size;
}
CommonUnitity.OnLog(this, new EventArgs <string>("tempFolderPath=" + tempFolderPath));
try
{
while (!_evtDownload.WaitOne(0, false))
{
if (_downloadFileList.Count == 0)
{
break;
}
DownloadFileInfo file = _downloadFileList[0];
CommonUnitity.OnLog(this, new EventArgs <string>(String.Format("Start Download: url={0}, fullname={1}", file.DownloadUrl, file.FileFullName)));
ShowCurrentDownloadFileName(file.FileName);
//Download
_clientDownload = new WebClient();
//Added the function to support proxy
_clientDownload.Proxy = WebProxy.GetDefaultProxy();
_clientDownload.Proxy.Credentials = CredentialCache.DefaultCredentials;
_clientDownload.Credentials = CredentialCache.DefaultCredentials;
//End added
_clientDownload.DownloadProgressChanged += (sender, e) =>
{
try
{
SetProcessBar(e.ProgressPercentage, (int)((_nDownloadedTotal + e.BytesReceived) * 100 / _total));
}
catch
{
CommonUnitity.OnLog(this, new EventArgs <string>("progress changed failed." + e.ProgressPercentage + "/" + e.TotalBytesToReceive));
//log the error message,you can use the application's log code
}
};
_clientDownload.DownloadFileCompleted += (sender, e) =>
{
try
{
DealWithDownloadErrors();
DownloadFileInfo dfile = e.UserState as DownloadFileInfo;
_nDownloadedTotal += dfile.Size;
SetProcessBar(0, (int)(_nDownloadedTotal * 100 / _total));
_evtPerDonwload.Set();
CommonUnitity.OnLog(this, new EventArgs <string>("downloadFinished:" + dfile.FileFullName));
}
catch (Exception ex)
{
CommonUnitity.OnLog(this, new EventArgs <string>(ex.ToString()));
//log the error message,you can use the application's log code
}
};
_evtPerDonwload.Reset();
//Download the folder file
string tempFolderPath1 = DownloadFileInfo.GetFolderUrl(file);
if (!string.IsNullOrEmpty(tempFolderPath1))
{
tempFolderPath = Path.Combine(CommonUnitity.SystemBinUrl, Constant.Tempfoldername);
tempFolderPath += tempFolderPath1;
}
else
{
tempFolderPath = Path.Combine(CommonUnitity.SystemBinUrl, Constant.Tempfoldername);
}
_clientDownload.DownloadFileAsync(new Uri(file.DownloadUrl),
Path.Combine(tempFolderPath, file.FileName), file);
//Wait for the download complete
_evtPerDonwload.WaitOne();
_clientDownload.Dispose();
_clientDownload = null;
//Remove the downloaded files
_downloadFileList.Remove(file);
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
Console.WriteLine(ex.Source);
CommonUnitity.OnLog(this, new EventArgs <string>(ex.StackTrace));
ShowErrorAndExitApp();
//throw;
}
//When the files have not downloaded,return.
if (_downloadFileList.Count > 0)
{
return;
}
//Test network and deal with errors if there have
DealWithDownloadErrors();
//Debug.WriteLine("All Downloaded");
foreach (DownloadFileInfo file in _allFileList)
{
string tempUrlPath = DownloadFileInfo.GetFolderUrl(file);
string oldPath = string.Empty;
string newPath = string.Empty;
try
{
if (!string.IsNullOrEmpty(tempUrlPath))
{
oldPath = Path.Combine(CommonUnitity.SystemBinUrl + tempUrlPath.Substring(1), file.FileName);
newPath = Path.Combine(CommonUnitity.SystemBinUrl + Constant.Tempfoldername + tempUrlPath, file.FileName);
}
else
{
oldPath = Path.Combine(CommonUnitity.SystemBinUrl, file.FileName);
newPath = Path.Combine(CommonUnitity.SystemBinUrl + Constant.Tempfoldername, file.FileName);
}
// //just deal with the problem which the files EndsWith xml can not download
// FileInfo f = new FileInfo(newPath);
// if (!file.Size.ToString().Equals(f.Length.ToString()) && !file.FileName.EndsWith(".xml"))
// {
// Console.WriteLine("download failed: {0}", f.FullName);
// ShowErrorAndExitApp();
// }
//Added for dealing with the config file download errors
string newfilepath = string.Empty;
if (newPath.Substring(newPath.LastIndexOf(".") + 1).Equals(Constant.Configfilekey))
{
if (File.Exists(newPath))
{
if (newPath.EndsWith("_"))
{
newfilepath = newPath;
newPath = newPath.Substring(0, newPath.Length - 1);
oldPath = oldPath.Substring(0, oldPath.Length - 1);
}
File.Move(newfilepath, newPath);
}
}
//End added
if (File.Exists(oldPath))
{
MoveFolderToOld(oldPath, newPath);
}
else
{
//Edit for config_ file
if (!string.IsNullOrEmpty(tempUrlPath))
{
if (!Directory.Exists(CommonUnitity.SystemBinUrl + tempUrlPath.Substring(1)))
{
Directory.CreateDirectory(CommonUnitity.SystemBinUrl + tempUrlPath.Substring(1));
MoveFolderToOld(oldPath, newPath);
}
else
{
MoveFolderToOld(oldPath, newPath);
}
}
else
{
MoveFolderToOld(oldPath, newPath);
}
}
}
catch (Exception exp)
{
CommonUnitity.OnLog(this, new EventArgs <string>(exp.ToString()));
//log the error message,you can use the application's log code
}
}
//After dealed with all files, clear the data
_allFileList.Clear();
if (_downloadFileList.Count == 0)
{
Exit(true);
}
else
{
Exit(false);
}
_evtDownload.Set();
}