/**
*
* return:
* 4: generic error in the client
* 3: generic error in the server
* 2: already logged
* 1: wrong username or password
* 0: login successful
*/
internal int loginProcedureAsync(string clientID, string password)
{
TcpClient client = null;
SslStream sslStream = null;
//string challenge = null;
int result = 4; // initialize the result with the worst condition
if (clientID == null || password == null || clientID.Length <= 0 || password.Length <= 0)
{
return(1);
}
try
{
/* Create a TCP/IP client socket and connect to the server */
Client.ConnectServer(Properties.Settings.Default.machineName, Properties.Settings.Default.serverCertificateName, Properties.Settings.Default.PORT, out client, out sslStream /*, out challenge*/);
/* Start login procedure */
result = Client.Login(sslStream /*, challenge*/, clientID, password);
}
catch (Exception e)
{
Console.WriteLine("Eccezione inaspettata in loginProcedureAsync(). Messaggio " + e.Message);
Console.WriteLine(e.StackTrace);
result = 4;
}
finally
{
if (sslStream != null)
{
sslStream.Close();
}
if (client != null)
{
client.Close();
}
}
return(result);
}
/**
* return:
* - false if logout is not performed
*/
internal bool logoutProcedure(string clientID)
{
TcpClient client = null;
SslStream sslStream = null;
bool result = false;
if (clientID == null)
{
return(false);
}
try
{
/* Create a TCP/IP client socket and connect to the server */
Client.ConnectServer(Properties.Settings.Default.machineName, Properties.Settings.Default.serverCertificateName, Properties.Settings.Default.PORT, out client, out sslStream);
/* Start login procedure */
result = Client.Logout(sslStream, clientID);
}
catch (Exception e)
{
Console.WriteLine("Eccezione inaspettata in logoutProcedure(). Messaggio " + e.Message);
Console.WriteLine(e.StackTrace);
result = false;
}
finally
{
if (sslStream != null)
{
sslStream.Close();
}
if (client != null)
{
client.Close();
}
}
return(result);
}
internal void updateBackupList()
{
if (Interlocked.Read(ref backgroundRunning) == TRUE)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
showAlertDialog(ALERT_DIALOG_TITLE, ALERT_DIALOG_MESSAGE);
}));
return;
}
Interlocked.Exchange(ref backgroundRunning, TRUE);
TcpClient client = null;
SslStream sslStream = null;
//string challenge = null;
//show loading
Application.Current.Dispatcher.Invoke(new Action(() =>
{
//clear tree view
DataContext = null;
//UpdateProgressText.Text = "Recupero della lista di backup...";
BackupListProgressBar.IsIndeterminate = true;
BackupListProgressBar.Visibility = Visibility.Visible;
BackupListAdvProgressBar.IsIndeterminate = true;
BackupListAdvProgressBar.Visibility = Visibility.Visible;
noBackupAdvanced.Visibility = Visibility.Hidden;
NoBackupImage.Visibility = Visibility.Hidden;
NoBackupText.Visibility = Visibility.Hidden;
RetryText.Visibility = Visibility.Hidden;
}));
try
{
/* Create a TCP/IP client socket and connect to the server */
Client.ConnectServer(Properties.Settings.Default.machineName, Properties.Settings.Default.serverCertificateName, Properties.Settings.Default.PORT, out client, out sslStream);
/* Request backup list from the server */
List <BackupRecord> backupList = Client.GetBackupList(sslStream, Preferences.UserID.GetValue(), Preferences.SessionID.GetValue(), null);
//no backup records
if (backupList.Count <= 0)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
UpdateProgressText.Text = "";
//clear backup lists
simpleObsBackupCollection.Clear();
advObsBackupCollection.Clear();
//refresh UI
BackupListProgressBar.IsIndeterminate = false;
BackupListProgressBar.Visibility = Visibility.Hidden;
BackupListAdvProgressBar.IsIndeterminate = false;
BackupListAdvProgressBar.Visibility = Visibility.Hidden;
//UpdateProgressText.Text = "Lista di backup aggiornata";
noBackupAdvanced.Visibility = Visibility.Visible;
NoBackupImage.Visibility = Visibility.Visible;
NoBackupText.Visibility = Visibility.Visible;
RetryText.Visibility = Visibility.Visible;
//last backup labels
TileLastBackupLabel.Visibility = Visibility.Hidden;
TileLastBackupDate.Text = "";
TileLastBackupDate.Visibility = Visibility.Hidden;
}));
lock (locker)
{
Interlocked.Exchange(ref backgroundRunning, FALSE);
System.Threading.Monitor.PulseAll(locker);
}
return;
}
//show available backups
Application.Current.Dispatcher.Invoke(new Action(() =>
{
//clear backup lists
simpleObsBackupCollection.Clear();
advObsBackupCollection.Clear();
//refresh UI
BackupListProgressBar.IsIndeterminate = false;
BackupListProgressBar.Visibility = Visibility.Hidden;
BackupListAdvProgressBar.IsIndeterminate = false;
BackupListAdvProgressBar.Visibility = Visibility.Hidden;
foreach (BackupRecord record in backupList)
{
simpleObsBackupCollection.Add(new BackupListItem(record, this, false));
advObsBackupCollection.Add(new BackupListItem(record, this, true));
}
//UpdateProgressText.Text = "Lista di backup aggiornata";
//update tile last backup info
TileLastBackupLabel.Visibility = Visibility.Visible;
TileLastBackupDate.Visibility = Visibility.Visible;
TileLastBackupDate.Text = simpleObsBackupCollection.First <BackupListItem>().backupRecord.getDateString();
}));
Console.WriteLine("task terminato!");
}
catch (SessionAuthenticationException sae)
{
Preferences.DeleteAll();
Console.WriteLine("Errore nell'autenticazione con il server. Messaggio: " + sae.Message);
Application.Current.Dispatcher.Invoke(new Action(() =>
{
LoginWindow l = new LoginWindow("Operazione fallita. Qualcun altro potrebbe aver effettuato l'accesso da un altro dispositivo.");
l.Show();
Close();
}));
}
catch (Exception e)
{
//UI update
Application.Current.Dispatcher.Invoke(new Action(() =>
{
//show error on status bar
UpdateProgressText.Text = "Errore durante la ricezione della lista di backup";
//clear backup lists
simpleObsBackupCollection.Clear();
advObsBackupCollection.Clear();
//refresh UI
BackupListProgressBar.IsIndeterminate = false;
BackupListProgressBar.Visibility = Visibility.Hidden;
BackupListAdvProgressBar.IsIndeterminate = false;
BackupListAdvProgressBar.Visibility = Visibility.Hidden;
noBackupAdvanced.Visibility = Visibility.Visible;
NoBackupImage.Visibility = Visibility.Visible;
NoBackupText.Visibility = Visibility.Visible;
RetryText.Visibility = Visibility.Visible;
}));
Console.WriteLine("Errore nell recupero della lista di backup. " + e.Message);
Console.WriteLine(e.StackTrace);
}
finally
{
if (sslStream != null)
{
sslStream.Close();
}
if (client != null)
{
client.Close();
}
lock (locker)
{
Interlocked.Exchange(ref backgroundRunning, FALSE);
System.Threading.Monitor.PulseAll(locker);
}
}
}
/*
* create a new backup (should use in a new thread)
*/
internal bool newBackupProcedureAsync(bool autoBackground)
{
if (Interlocked.Read(ref backgroundRunning) == TRUE)
{
if (!autoBackground)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
showAlertDialog(ALERT_DIALOG_TITLE, ALERT_DIALOG_MESSAGE);
}));
}
return(false);
}
Interlocked.Exchange(ref backgroundRunning, TRUE);
//Console.WriteLine("Inizio operazione di background automatico in corso...");
bool result;
//update UI
Application.Current.Dispatcher.Invoke(new Action(() =>
{
if (!autoBackground)
{
UpdateProgressText.Text = "Operazione di backup in corso...";
}
else
{
UpdateProgressText.Text = "Operazione di backup automatico in corso...";
}
//start animation before disabling Tile!
arrowImage.Visibility = Visibility.Visible;
((Storyboard)Resources["Storyboard"]).Begin();
BackupTile.IsEnabled = false;
}));
TcpClient client = null;
SslStream sslStream = null;
//Start doing work
Console.WriteLine("Inizio operazione di backup...");
try
{
/* Create a TCP/IP client socket and connect to the server */
Client.ConnectServer(Properties.Settings.Default.machineName, Properties.Settings.Default.serverCertificateName, Properties.Settings.Default.PORT, out client, out sslStream);
/* Create the new backup on the server */
bool closeConnection = true;
Client.NewBackup(sslStream, Preferences.UserID.GetValue(), Preferences.SessionID.GetValue(), closeConnection, this);
//update UI - backup completed
Application.Current.Dispatcher.Invoke(new Action(() => {
if (!autoBackground)
{
UpdateProgressText.Text = "Backup completato";
}
else
{
UpdateProgressText.Text = "Backup automatico completato";
}
}));
result = true;
}
catch (EmptyBackupFolderException e)
{
//update UI - error
Application.Current.Dispatcher.Invoke(new Action(() => {
UpdateProgressText.Text = "Impossibile effettuare il backup di una cartella vuota";
}));
result = false;
}
catch (Exception e)
{
Console.WriteLine("Errore nell'esecuzione del backup. " + e.Message);
Console.WriteLine(e.StackTrace);
//update UI - error
Application.Current.Dispatcher.Invoke(new Action(() => {
UpdateProgressText.Text = "Errore durante il backup";
}));
result = false;
}
finally
{
if (sslStream != null)
{
sslStream.Close();
}
if (client != null)
{
client.Close();
}
//update UI
Application.Current.Dispatcher.Invoke(new Action(() => {
((Storyboard)Resources["Storyboard"]).Stop();
BackupTile.IsEnabled = true;
arrowImage.Visibility = Visibility.Hidden;
UpdateProgressBar.Visibility = Visibility.Hidden;
}));
lock (locker)
{
Interlocked.Exchange(ref backgroundRunning, FALSE);
System.Threading.Monitor.PulseAll(locker);
}
}
return(result);
}
internal void retreiveBackupFilesTask(List <myFileInfo> requestedFilesList)
{
if (requestedFilesList.LongCount <myFileInfo>() <= 0)
{
return;
}
if (Interlocked.Read(ref backgroundRunning) == TRUE)
{
return;
}
Interlocked.Exchange(ref backgroundRunning, TRUE);
TcpClient client = null;
SslStream sslStream = null;
try
{
//update UI
Application.Current.Dispatcher.Invoke(new Action(() =>
{
UpdateProgressText.Text = "Operazione di recupero in corso...";
}));
/* Create a TCP/IP client socket and connect to the server */
Client.ConnectServer(Properties.Settings.Default.machineName, Properties.Settings.Default.serverCertificateName, Properties.Settings.Default.PORT, out client, out sslStream);
/* Retrieve backup from the server */
Client.GetBackup(sslStream, Preferences.UserID.GetValue(), Preferences.SessionID.GetValue(), requestedFilesList, this);
//update UI
Application.Current.Dispatcher.Invoke(new Action(() =>
{
UpdateProgressText.Text = "Operazione di recupero terminata";
}));
}
catch (Exception ex)
{
Console.WriteLine("Errore nell'esecuzione del backup. " + ex.Message);
Console.WriteLine(ex.StackTrace);
//update UI
Application.Current.Dispatcher.Invoke(new Action(() =>
{
UpdateProgressText.Text = "Errore durante il recupero dei file";
}));
}
finally
{
if (sslStream != null)
{
sslStream.Close();
}
if (client != null)
{
client.Close();
}
lock (locker)
{
Interlocked.Exchange(ref backgroundRunning, FALSE);
System.Threading.Monitor.PulseAll(locker);
}
//update UI
Application.Current.Dispatcher.Invoke(new Action(() =>
{
UpdateProgressBar.Visibility = Visibility.Hidden;
}));
}
}
