/*
*
* Metoda pobierająca aktualizacje z serwera ftp.
*/
private void BackgroungWorker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
String strAppDir = Path.GetDirectoryName(
Assembly.GetExecutingAssembly().GetName().CodeBase);
this._localPath = strAppDir;
FileInfo fileInfo = new FileInfo(name2);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://serwer1585870.home.pl/SB/" + name2);
request.Credentials = new NetworkCredential("pz1-isk1-sggw", "ppz1-isk1-sggw");
Boolean UsePassive = true;
Boolean UseBinary = true;
request.Method = WebRequestMethods.Ftp.GetFileSize;
request.Proxy = null;
request.KeepAlive = true;
request.UsePassive = UsePassive;
request.UseBinary = UseBinary;
long fileSize;
using (WebResponse resp = request.GetResponse())
fileSize = resp.ContentLength;
request = (FtpWebRequest)WebRequest.Create("ftp://serwer1585870.home.pl/SB/" + name2);
request.Credentials = new NetworkCredential("pz1-isk1-sggw", "ppz1-isk1-sggw");
using (FtpWebResponse responseFileDownload = (FtpWebResponse)request.GetResponse())
using (Stream responseStream = responseFileDownload.GetResponseStream())
using (FileStream writeStream = new FileStream(name2, FileMode.Create))
{
long length = responseFileDownload.ContentLength;
int Length = 2048;
Byte[] buffer = new Byte[2048];
int bytesRead = responseStream.Read(buffer, 0, Length);
int bytes = 0;
while (bytesRead > 0)
{
writeStream.Write(buffer, 0, bytesRead);
bytesRead = responseStream.Read(buffer, 0, Length);
bytes += bytesRead;
int totalSize = (int)(fileSize) / 1000; // Kbytes
BackgroungWorker.ReportProgress((bytes / 1000) * 100 / totalSize, totalSize);
}
responseFileDownload.Close();
writeStream.Close();
}
}
catch (Exception)
{
MessageBox.Show("Nie udało się ustalić połączenia z hostem.");
Process.GetCurrentProcess().Kill();
}
finally
{
completed = true;
lbProgress.Text = "100 %";
}
}
/*
*
* Metoda deklarująca warunki, które muszą zostać spełnione aby aktualizacja zostałą rozpoczęta.
*/
public void doIT()
{
if (File.Exists(path + "\\SmartSell.exe"))
{
if (completed == false)
{
VersionChecking();
}
WaitToUnzip.Start();
}
else if (!File.Exists(path + "\\SmartSell.exe"))
{
if (completed == false)
{
BGworkersWithData.Add(BackgroungWorker);
BackgroungWorker.RunWorkerAsync();
CheckAllThreadsHaveFinishedWorking();
}
WaitToUnzip.Start();
}
}
//Metoda, która może zostać wykorzystana w przyszłości, ponawiająca połączenie.
/*public static class Retry
* {
* public static void Do(
* Action action,
* TimeSpan retryInterval,
* int retryCount = 3)
* {
* Do<object>(() =>
* {
* action();
* return null;
* }, retryInterval, retryCount);
* }
*
* public static T Do<T>(
* Func<T> action,
* TimeSpan retryInterval,
* int retryCount = 3)
* {
* var exceptions = new List<Exception>();
*
* for (int retry = 0; retry < retryCount; retry++)
* {
* try
* {
* if (retry > 0)
* Thread.Sleep(retryInterval);
* return action();
* }
* catch (Exception ex)
* {
* exceptions.Add(ex);
* }
* }
*
* throw new AggregateException(exceptions);
* }
* }
*
* Metoda sprawdzająca wersje aplikacji.
*/
private void VersionChecking()
{
var versionInfo = FileVersionInfo.GetVersionInfo(path + "\\SmartSell.exe");
string ver = versionInfo.ProductVersion;
DownloadCompletedtxt.Visible = false;
WebClient request = new WebClient();
string url = "ftp://serwer1585870.home.pl/SB/" + "wersja.txt";
request.Credentials = new NetworkCredential("pz1-isk1-sggw", "ppz1-isk1-sggw");
try
{
byte[] newFileData = request.DownloadData(url);
string fileString = System.Text.Encoding.UTF8.GetString(newFileData);
if (ver != fileString)
{
/*DialogResult dialog = MessageBox.Show("Istnije nowsza wersja: " + fileString +
* "\n Czy pobrać ją teraz ?", "Aktualizacja", MessageBoxButtons.YesNo,
* MessageBoxIcon.Information);
* if (dialog == DialogResult.Yes)
* {*/
BGworkersWithData.Add(BackgroungWorker);
BackgroungWorker.RunWorkerAsync();
CheckAllThreadsHaveFinishedWorking();
}
else
{
CHCKUPD.Text = "Your version is up to date!";
UpToDateRun.Start();
}
}
catch (WebException)
{
MessageBox.Show("Sprwadź połączenie sieciowe, nie ma możliwości połączenia się z hostem!");
}
}
