private void CancelBackgroundWorker(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Error != null)
{
ScopeVNSMessagingSystem.GetInstance().AddMessage("Error detected on scope " + SerialCode + "! PLEASE RESTART SCOPEVNS!");
ErrorLoggingService.GetInstance().LogExceptionError(e.Error);
}
}
public static ScopeVNSMessagingSystem GetInstance()
{
if (_instance == null)
{
_instance = new ScopeVNSMessagingSystem();
}
return(_instance);
}
/// <summary>
/// Logs a string to the error log file.
/// </summary>
public void LogStringError(string msg)
{
lock (_error_log_lock)
{
try
{
StreamWriter writer = new StreamWriter(_error_log_file, true);
writer.WriteLine(msg);
writer.Close();
}
catch
{
ScopeVNSMessagingSystem.GetInstance().AddMessage("Unable to log error to file");
}
}
}
/// <summary>
/// Logs an exception to the error log file
/// </summary>
public void LogExceptionError(Exception e)
{
lock (_error_log_lock)
{
try
{
StreamWriter writer = new StreamWriter(_error_log_file, true);
string timestamp = DateTime.Now.ToString("yyyy-MM-dd:HH:mm:ss");
string stacktrace = e.StackTrace;
string outermost_exception = e.Message;
string innermost_exception = string.Empty;
var base_except = e.GetBaseException();
if (base_except != null)
{
innermost_exception = base_except.Message;
}
string function = e.TargetSite.Name;
writer.WriteLine("NEW ERROR DETECTED");
writer.WriteLine(timestamp);
writer.WriteLine("Stack trace: " + stacktrace);
writer.WriteLine("Outermost exception message: " + outermost_exception);
writer.WriteLine("Innermost exception message: " + innermost_exception);
writer.WriteLine("Function name: " + function);
writer.WriteLine("END OF NEW ERROR");
writer.WriteLine();
writer.Close();
}
catch
{
ScopeVNSMessagingSystem.GetInstance().AddMessage("Unable to log error to file");
}
}
}
/// <summary>
/// Default constructor
/// </summary>
public MainWindowViewModel()
{
//Subscribe to receive notifications from the ScopeVNS messaging system
ScopeVNSMessagingSystem.GetInstance().PropertyChanged += ReactToNotificationsFromMessagingSystem;
}