internal JobContext(IAlarmSource source, AlarmSourceEventArgs args)
{
Assertions.AssertNotNull(source, "source");
Assertions.AssertNotNull(args, "args");
AlarmSourceName = source.GetType().Name;
Parameters = args.Parameters;
}
internal JobContext(IAlarmSource source, AlarmSourceEventArgs args)
{
Assertions.AssertNotNull(source, "source");
Assertions.AssertNotNull(args, "args");
AlarmSourceName = source.GetType().Name;
Parameters = args.Parameters;
}
private void InitializeAlarmSources()
{
foreach (var export in ExportedTypeLibrary.GetExports(typeof(IAlarmSource)).Where(j => _configuration.EnabledAlarmSources.Contains(j.Attribute.Alias)))
{
Logger.Instance.LogFormat(LogType.Info, this, Resources.AlarmSourceEnabling, export.Type.Name);
IAlarmSource alarmSource = export.CreateInstance <IAlarmSource>();
_alarmSources.Add(alarmSource);
Logger.Instance.LogFormat(LogType.Info, this, Resources.AlarmSourceEnabled, export.Type.Name);
}
}
private void AlarmSource_NewAlarm(object sender, AlarmSourceEventArgs e)
{
IAlarmSource source = (IAlarmSource)sender;
Operation operation = e.Operation;
if (operation == null)
{
Logger.Instance.LogFormat(LogType.Warning, this, Resources.AlarmSourceNoOperation, source.GetType().FullName);
return;
}
Logger.Instance.LogFormat(LogType.Info, this, Resources.AlarmSourceReceivedOperation, operation.ToString(), sender.GetType().Name);
try
{
if (!ShouldStoreOperation(operation))
{
Logger.Instance.LogFormat(LogType.Info, this, Resources.NewAlarmIgnoringAlreadyPresentOperation, operation.OperationNumber);
return;
}
// If there is no timestamp, use the current time.
if (operation.Timestamp.Year == 1)
{
Logger.Instance.LogFormat(LogType.Warning, this, Resources.NewAlarmInvalidTimestamp);
operation.Timestamp = DateTime.Now;
}
JobContext context = new JobContext(source, e);
context.Phase = JobPhase.OnOperationSurfaced;
_jobManager.ExecuteJobs(context, operation);
operation = StoreOperation(operation);
if (operation == null)
{
return;
}
Logger.Instance.LogFormat(LogType.Info, this, Resources.NewAlarmStored, operation.Id);
context.Phase = JobPhase.AfterOperationStored;
_jobManager.ExecuteJobs(context, operation);
Logger.Instance.LogFormat(LogType.Info, this, Resources.NewAlarmHandlingFinished, operation.Id);
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Warning, this, Resources.NewAlarmHandlingException);
Logger.Instance.LogException(this, ex);
}
}
private void AlarmSource_NewAlarm(object sender, AlarmSourceEventArgs e)
{
IAlarmSource source = (IAlarmSource)sender;
// Sanity-checks
if (e.Operation == null)
{
Logger.Instance.LogFormat(LogType.Warning, this, "Alarm Source '{0}' did not return an operation! This may indicate that parsing an operation has failed. Please check the log!", source.GetType().FullName);
return;
}
try
{
// If there is no timestamp, use the current time. Not too good but better than MinValue :-/
if (e.Operation.Timestamp.Year == 1)
{
Logger.Instance.LogFormat(LogType.Warning, this, "Could not parse timestamp from the fax. Using the current time as the timestamp.");
e.Operation.Timestamp = DateTime.Now;
}
// Download the route plan information (if data is meaningful)
DownloadRoutePlan(e.Operation);
// Grant the operation a new Id
e.Operation.Id = _operationStore.GetNextOperationId();
foreach (IJob job in _jobs)
{
// Run the job. If the job fails, ignore that exception as well but log it too!
try
{
job.DoJob(e.Operation);
}
catch (Exception ex)
{
// Be careful when processing the jobs, we don't want a malicious job to terminate the process!
Logger.Instance.LogFormat(LogType.Warning, this, string.Format("An error occurred while processing job '{0}'!", job.GetType().Name));
Logger.Instance.LogException(this, ex);
}
}
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Warning, this, "An exception occurred while processing the operation!");
Logger.Instance.LogException(this, ex);
}
}
/// <summary>
/// Wraps execution of an <see cref="IAlarmSource"/>-plugin to avoid terminating the whole process.
/// </summary>
/// <param name="parameter">The parameter (of type <see cref="IAlarmSource"/>).</param>
private void AlarmSourceThreadWrapper(object parameter)
{
IAlarmSource source = (IAlarmSource)parameter;
try
{
source.RunThread();
}
catch (ThreadAbortException)
{
// Ignore this exception. It is caused by calling Stop().
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Error, this, Resources.AlarmSourceThreadException, source.GetType().FullName);
Logger.Instance.LogException(this, ex);
}
}
/// <summary>
/// Wraps execution of an <see cref="IAlarmSource"/>-plugin to avoid terminating the whole process.
/// </summary>
/// <param name="parameter">The parameter (of type <see cref="IAlarmSource"/>).</param>
private void AlarmSourceThreadWrapper(object parameter)
{
IAlarmSource source = (IAlarmSource)parameter;
try
{
source.RunThread();
}
catch (ThreadAbortException)
{
// Ignore this exception. It is caused by calling Stop().
}
catch (Exception ex)
{
// Log any exception (the thread will end afterwards).
Logger.Instance.LogFormat(LogType.Error, this, "An unhandled exception occurred while running the thread for alarm source '{0}'. The thread is being terminated. Please check the log.", source.GetType().FullName);
Logger.Instance.LogException(this, ex);
}
}
