/// <inheritdoc />
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
await ActionAsync(stoppingToken).ConfigureAwait(false);
LogAndResetLastExceptionIfNotNull();
}
catch (Exception ex) when(ex is OperationCanceledException || ex is TaskCanceledException || ex is TimeoutException)
{
Logger.LogTrace(ex);
}
catch (Exception ex)
{
// Only log one type of exception once.
if (LastException is null || // If the exception never came.
ex.GetType() != LastException.GetType() || // Or the exception have different type from previous exception.
ex.Message != LastException.Message) // Or the exception have different message from previous exception.
{
// Then log and reset the last exception if another one came before.
LogAndResetLastExceptionIfNotNull();
// Set new exception and log it.
LastException = ex;
LastExceptionFirstAppeared = DateTimeOffset.UtcNow;
LastExceptionCount = 1;
Logger.LogError(ex);
}
/// <summary>
/// Takes the parsed error information from the object properties and parses this information into a string,
/// that can be displayed as plain text or in a browser. The string is formatted text and displays well
/// in a browser using a PRE tag.
///
/// Method also displays request information including:
///
/// Full Url
/// Refering Url
/// IP Address of caller
/// Client Browser
/// Full POST buffer
///
/// Full handling also returns:
///
/// Stack Trace
/// Source code blocks of the 5 lines before and after failure line if and/or debugging info is available
/// <returns>Formatted Error string</returns>
public override string ToString()
{
if (!IsParsed)
{
Parse();
}
StringBuilder sb = new StringBuilder();
sb.AppendLine(ErrorMessage + "\r\n\r\n");
sb.AppendLine("--- Base Error Info ---");
sb.AppendLine("Exception: " + LastException.GetType().Name);
sb.AppendFormat(" Url: {0}\r\n", RawUrl);
sb.AppendFormat(" Time: {0}\r\n", DateTime.Now.ToString("MMM dd, yyyy HH:mm"));
if (CompactFormat)
{
return(sb.ToString());
}
if (!string.IsNullOrEmpty(SourceCode))
{
sb.AppendLine("\r\n--- Code ---");
sb.Append(SourceCode);
}
if (!string.IsNullOrEmpty(StackTrace))
{
sb.AppendFormat("\r\n--- Stack Trace ---\r\n{0}\r\n\r\n", StackTrace);
}
sb.Append("\r\n--- Request Information ---\r\n");
sb.AppendFormat(" Full Url: {0}\r\n", FullUrl);
sb.AppendFormat(" Client IP: {0}\r\n", IPAddress);
if (!string.IsNullOrEmpty(Referer))
{
sb.AppendFormat(" Referer: {0}\r\n", Referer);
}
sb.AppendFormat(" Browser: {0}\r\n", Browser);
sb.AppendFormat(" Login: {0}\r\n", Login);
sb.AppendFormat(" Locale: {0}\r\n", Locale);
sb.AppendFormat(" Status: {0}\r\n", OriginalHttpStatusCode);
if (!string.IsNullOrEmpty(PostBuffer))
{
sb.AppendFormat("\r\n\r\n--- Raw Post Buffer ---\r\n\r\n{0}", PostBuffer);
}
if (!string.IsNullOrEmpty(ServerVariables))
{
sb.AppendFormat("\r\n\r\n--- All Server Variables ---\r\n\r\n{0}", ServerVariables);
}
return(sb.ToString());
}
protected override void OnInitialized()
{
ExceptionHandlerBuilder.Handler(e =>
{
bool isSkipped = false;
Type exceptionType = e.GetType();
foreach (Type type in SkippedExceptions)
{
if (type.IsAssignableFrom(exceptionType))
{
isSkipped = true;
break;
}
}
if (!isSkipped)
{
LastException = e;
if (e is Neptuo.Models.AggregateRootException)
{
string message = null;
if (e is CurrencyAlreadyAsDefaultException)
{
message = MessageBuilder.CurrencyAlreadyAsDefault();
}
else if (e is CurrencyAlreadyExistsException)
{
message = MessageBuilder.CurrencyAlreadyExists();
}
else if (e is CurrencyDoesNotExistException)
{
message = MessageBuilder.CurrencyDoesNotExist();
}
else if (e is CurrencyExchangeRateDoesNotExistException)
{
message = MessageBuilder.CurrencyExchangeRateDoesNotExist();
}
else if (e is OutcomeAlreadyDeletedException)
{
message = MessageBuilder.OutcomeAlreadyDeleted();
}
else if (e is OutcomeAlreadyHasCategoryException)
{
message = MessageBuilder.OutcomeAlreadyHasCategory();
}
else if (e is CantDeleteDefaultCurrencyException)
{
message = MessageBuilder.CantDeleteDefaultCurrency();
}
else if (e is CantDeleteLastCurrencyException)
{
message = MessageBuilder.CantDeleteLastCurrency();
}
else if (e is DemoUserCantBeChangedException)
{
message = MessageBuilder.DemoUserCantBeChanged();
}
else if (e is PasswordChangeFailedException passwordChangeFailed)
{
message = MessageBuilder.PasswordChangeFailed(passwordChangeFailed.ErrorDescription);
}
else if (e is EmailChangeFailedException)
{
message = MessageBuilder.EmailChangeFailed();
}
Message = message;
}
else if (e is ServerNotRespondingException)
{
Message = MessageBuilder.ServerNotResponding();
}
else if (e is InternalServerException)
{
Message = MessageBuilder.InternalServerError();
}
}
if (isSkipped)
{
Title = null;
Message = null;
LastException = null;
}
else if (Message == null)
{
Title = LastException.GetType().FullName;
Message = LastException.Message;
}
else
{
Title = null;
}
StateHasChanged();
});
base.OnInitialized();
}