private static void Thread_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.Always ||
(ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.WhenMinimized &&
Application.Current.MainWindow.WindowState == WindowState.Minimized))
{
if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
// Mark all existing status changes as read.
for (int i = 0; i < StatusChangeLog.Count; ++i)
{
StatusChangeLog[i].HasStatusBeenCleared = true;
}
}
StatusChangeLog.Add(e.UserState as StatusChangeLog);
if (StatusWindow != null && StatusWindow.IsLoaded)
{
if (StatusWindow.WindowState == WindowState.Minimized)
{
StatusWindow.WindowState = WindowState.Normal;
}
StatusWindow.Focus();
}
else if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
var wnd = new PopupNotificationWindow(StatusChangeLog);
wnd.Show();
}
}
else
{
StatusChangeLog.Add(e.UserState as StatusChangeLog);
}
}
public void StartStop()
{
if (string.IsNullOrEmpty(Hostname))
{
return;
}
if (IsActive)
{
// Stopping probe.
StopProbe(ProbeStatus.Inactive);
}
else
{
// Starting probe.
CancelSource = new CancellationTokenSource();
if (Hostname.StartsWith("#"))
{
Type = ProbeType.Comment;
}
else if (Hostname.StartsWith("D/"))
{
Type = ProbeType.Dns;
Hostname = Hostname.Substring(2);
PerformDnsLookup(CancelSource.Token);
}
else if (Hostname.StartsWith("T/"))
{
Type = ProbeType.Traceroute;
Hostname = Hostname.Substring(2);
PerformTraceroute(CancelSource.Token);
}
else if (Hostname.Count(f => f == ':') == 1 || Hostname.Contains("]:"))
{
Type = ProbeType.Ping;
Task.Run(() => PerformTcpProbe(CancelSource.Token), CancelSource.Token);
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
mutex.WaitOne();
StatusChangeLog.Add(new StatusChangeLog {
Timestamp = DateTime.Now, Hostname = Hostname, Alias = Alias, Status = ProbeStatus.Start
});
mutex.ReleaseMutex();
}));
}
else
{
Type = ProbeType.Ping;
Task.Run(() => PerformIcmpProbe(CancelSource.Token), CancelSource.Token);
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
mutex.WaitOne();
StatusChangeLog.Add(new StatusChangeLog {
Timestamp = DateTime.Now, Hostname = Hostname, Alias = Alias, Status = ProbeStatus.Start
});
mutex.ReleaseMutex();
}));
}
}
}
private void TriggerStatusChange(StatusChangeLog status)
{
if (ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.Always ||
(ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.WhenMinimized &&
Application.Current.MainWindow.WindowState == WindowState.Minimized))
{
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
mutex.WaitOne();
if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
// Mark all existing status changes as read.
for (int i = 0; i < StatusChangeLog.Count; ++i)
{
StatusChangeLog[i].HasStatusBeenCleared = true;
}
}
StatusChangeLog.Add(status);
mutex.ReleaseMutex();
if (StatusWindow != null && StatusWindow.IsLoaded)
{
if (StatusWindow.WindowState == WindowState.Minimized)
{
StatusWindow.WindowState = WindowState.Normal;
}
StatusWindow.Focus();
}
else if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
new PopupNotificationWindow(StatusChangeLog).Show();
}
}));
}
else
{
mutex.WaitOne();
StatusChangeLog.Add(status);
mutex.ReleaseMutex();
}
if (ApplicationOptions.IsLogStatusChangesEnabled && ApplicationOptions.LogStatusChangesPath.Length > 0)
{
WriteToStatusChangesLog(status);
}
if ((status.Status == ProbeStatus.Down) && (ApplicationOptions.IsAudioAlertEnabled))
{
SoundPlayer player = new SoundPlayer(ApplicationOptions.AudioFilePath);
player.Play();
}
}
private void StopProbe(ProbeStatus status)
{
CancelSource.Cancel();
Status = status;
IsActive = false;
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
mutex.WaitOne();
if (status != ProbeStatus.Error)
{
WriteFinalStatisticsToHistory();
}
StatusChangeLog.Add(new StatusChangeLog {
Timestamp = DateTime.Now, Hostname = Hostname, Alias = Alias, Status = ProbeStatus.Stop
});
mutex.ReleaseMutex();
}));
}
private void WriteToStatusChangesLog(StatusChangeLog status)
{
// If logging is enabled, write the status change to a file.
if (ApplicationOptions.IsLogStatusChangesEnabled && ApplicationOptions.LogStatusChangesPath.Length > 0)
{
try
{
using (System.IO.StreamWriter outputFile = new System.IO.StreamWriter(ApplicationOptions.LogStatusChangesPath, true))
{
outputFile.WriteLine($"{DateTime.Now.ToShortDateString()} {DateTime.Now.ToLongTimeString()}\t{status.Hostname}\t{status.Alias}\t{status.StatusAsString}");
}
}
catch (Exception ex)
{
ApplicationOptions.IsLogStatusChangesEnabled = false;
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
DialogWindow.ErrorWindow($"Failed writing to log file. Logging has been disabled. {ex.Message}").ShowDialog();
}));
}
}
}
private void TriggerStatusChange(StatusChangeLog status)
{
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
if (ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.Always ||
(ApplicationOptions.PopupOption == ApplicationOptions.PopupNotificationOption.WhenMinimized &&
Application.Current.MainWindow.WindowState == WindowState.Minimized))
{
mutex.WaitOne();
if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
// Mark all existing status changes as read.
for (int i = 0; i < StatusChangeLog.Count; ++i)
{
StatusChangeLog[i].HasStatusBeenCleared = true;
}
}
StatusChangeLog.Add(status);
mutex.ReleaseMutex();
if (StatusWindow != null && StatusWindow.IsLoaded)
{
if (StatusWindow.WindowState == WindowState.Minimized)
{
StatusWindow.WindowState = WindowState.Normal;
}
StatusWindow.Focus();
}
else if (!Application.Current.Windows.OfType <PopupNotificationWindow>().Any())
{
new PopupNotificationWindow(StatusChangeLog).Show();
}
}
else
{
mutex.WaitOne();
StatusChangeLog.Add(status);
mutex.ReleaseMutex();
}
}));
if (ApplicationOptions.IsLogStatusChangesEnabled && ApplicationOptions.LogStatusChangesPath.Length > 0)
{
mutex.WaitOne();
WriteToStatusChangesLog(status);
mutex.ReleaseMutex();
}
if ((ApplicationOptions.IsAudioDownAlertEnabled) && (status.Status == ProbeStatus.Down))
{
try
{
using (SoundPlayer player = new SoundPlayer(ApplicationOptions.AudioDownFilePath))
{
player.Play();
}
}
catch (Exception ex)
{
ApplicationOptions.IsAudioDownAlertEnabled = false;
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
DialogWindow.ErrorWindow($"Failed to play audio file. Audio alerts have been disabled. {ex.Message}").ShowDialog();
}));
}
}
else if ((ApplicationOptions.IsAudioUpAlertEnabled) && (status.Status == ProbeStatus.Up))
{
try
{
using (SoundPlayer player = new SoundPlayer(ApplicationOptions.AudioUpFilePath))
{
player.Play();
}
}
catch (Exception ex)
{
ApplicationOptions.IsAudioUpAlertEnabled = false;
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
DialogWindow.ErrorWindow($"Failed to play audio file. Audio alerts have been disabled. {ex.Message}").ShowDialog();
}));
}
}
}
