private void StartFtpDownLoadInThread()
{
try
{
Thread.Sleep(50);
String host = sourceNode.Site.host;
String username = sourceNode.Site.username;
String pwd = sourceNode.Site.pwd;
String targetfolder = sourceNode.Path;
int count = files.Count();
int iFileCount = 0;
foreach (string file in files)
{
string basicProgress = (++iFileCount).ToString() + " of " + count.ToString() + " : " + file;
progress.SetProgress(basicProgress);
if (this.cancelled)
{
break;
}
FtpWebResponse response = null;
FileStream outputStream = null;
Stream ftpStream = null;
while (!this.cancelled)
{
bool success = false;
Exception lastException = null;
for (int i = 0; i < 4 && !this.cancelled; i++)
{
try
{
progress.SetProgress(basicProgress + " - Connecting");
lock (FtpSite.LockInstance())
{
string ftpfullpath = "ftp://" + host + targetfolder + "/" + file;
FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create(ftpfullpath);
ftp.UseBinary = true;
ftp.KeepAlive = true;
ftp.Method = WebRequestMethods.Ftp.DownloadFile;
ftp.Timeout = 2000;
ftp.Credentials = new NetworkCredential(username, pwd);
response = (FtpWebResponse)ftp.GetResponse();
outputStream = new FileStream(Path.Combine(destNode.FullPath, file), FileMode.Create);
ftpStream = response.GetResponseStream();
progress.SetProgress(basicProgress + " - Reponse Recieved");
long cl = response.ContentLength;
int bufferSize = 2048 * 2 * 2 * 2 * 2 * 2 * 2;
int readCount;
int totalCount = 0;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, 0, bufferSize);
while (readCount > 0 & !this.cancelled)
{
totalCount += readCount;
progress.SetProgress(basicProgress + " - Downloading: " + totalCount.ToString()
);
outputStream.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
}
success = true;
progress.SetProgress(basicProgress + " - Completed");
}
break;
}
catch (Exception e)
{
lastException = e;
}
finally
{
try { if (ftpStream != null)
{
ftpStream.Close();
}
}
catch (Exception) { }
try { if (outputStream != null)
{
outputStream.Close();
}
}
catch (Exception) { }
try { if (response != null)
{
response.Close();
}
}
catch (Exception) { }
}
}
if (this.cancelled)
{
return;
}
if (!success)
{
DialogResult keepGoing = MessageBox.Show("Keep Trying? Failed after 4 attempts to download: "
+ file + " Exception: " + lastException.Message
, "FTP Failure"
, MessageBoxButtons.OKCancel
, MessageBoxIcon.Error
, MessageBoxDefaultButton.Button1);
if (keepGoing != DialogResult.OK)
{
return; // Don't true any more.
}
}
if (success)
{
break; // Goto next file only on success.
}
}
}
}
finally
{
progress.DoClose();
}
}
private void StartFtpDeleteInThread()
{
try
{
Thread.Sleep(50);
String host = folder.Site.host;
String username = folder.Site.username;
String pwd = folder.Site.pwd;
String targetfolder = folder.Path;
if (files != null)
{
int count = files.Count();
int iFileCount = 0;
foreach (var file in files)
{
string basicProgress = (++iFileCount).ToString() + " of " + count.ToString() + " : " + file;
progress.SetProgress(basicProgress);
if (this.cancelled)
{
break;
}
FtpWebResponse response = null;
while (!this.cancelled)
{
bool success = false;
Exception lastException = null;
for (int i = 0; i < 4 && !this.cancelled; i++)
{
try
{
progress.SetProgress(basicProgress + " - Connecting");
lock (FtpSite.LockInstance())
{
string ftpfullpath = "ftp://" + host + targetfolder + "/" + file;
FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create(ftpfullpath);
ftp.UseBinary = true;
ftp.KeepAlive = true;
ftp.Method = WebRequestMethods.Ftp.DeleteFile;
ftp.Timeout = 2000;
ftp.Credentials = new NetworkCredential(username, pwd);
response = (FtpWebResponse)ftp.GetResponse();
progress.SetProgress(basicProgress + response.StatusDescription);
success = true;
}
break;
}
catch (Exception e)
{
lastException = e;
}
finally
{
try { if (response != null)
{
response.Close();
}
}
catch (Exception) { }
}
}
if (this.cancelled)
{
return;
}
if (!success)
{
DialogResult keepGoing = MessageBox.Show("Keep Trying? Failed after 4 attempts to delete: "
+ file + " Exception: " + lastException.Message
, "FTP Failure"
, MessageBoxButtons.OKCancel
, MessageBoxIcon.Error
, MessageBoxDefaultButton.Button1);
if (keepGoing != DialogResult.OK)
{
return; // Don't true any more.
}
}
if (success)
{
break; // Goto next file only on success.
}
}
}
}
}
finally
{
progress.DoClose();
}
}