/// <summary>
/// Releases the unmanaged resources used by the <see cref="IaonSession"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
DataSet dataSource = DataSource;
// Dispose filter adapters collection
if ((object)m_filterAdapters != null)
{
m_filterAdapters.Stop();
m_filterAdapters.Dispose();
}
m_filterAdapters = null;
// Dispose input adapters collection
if ((object)m_inputAdapters != null)
{
m_inputAdapters.Stop();
m_inputAdapters.NewMeasurements -= NewMeasurementsHandler;
m_inputAdapters.ProcessingComplete -= ProcessingCompleteHandler;
m_inputAdapters.Dispose();
}
m_inputAdapters = null;
// Dispose action adapters collection
if ((object)m_actionAdapters != null)
{
m_actionAdapters.Stop();
m_actionAdapters.NewMeasurements -= NewMeasurementsHandler;
m_actionAdapters.UnpublishedSamples -= UnpublishedSamplesHandler;
m_actionAdapters.RequestTemporalSupport -= RequestTemporalSupportHandler;
m_actionAdapters.Dispose();
}
m_actionAdapters = null;
// Dispose output adapters collection
if ((object)m_outputAdapters != null)
{
m_outputAdapters.Stop();
m_outputAdapters.UnprocessedMeasurements -= UnprocessedMeasurementsHandler;
m_outputAdapters.Dispose();
}
m_outputAdapters = null;
// Dispose all adapters collection
if (m_allAdapters != null)
{
m_allAdapters.StatusMessage -= StatusMessageHandler;
m_allAdapters.ProcessException -= ProcessExceptionHandler;
m_allAdapters.InputMeasurementKeysUpdated -= InputMeasurementKeysUpdatedHandler;
m_allAdapters.OutputMeasurementsUpdated -= OutputMeasurementsUpdatedHandler;
m_allAdapters.ConfigurationChanged -= ConfigurationChangedHandler;
m_allAdapters.Disposed -= DisposedHandler;
m_allAdapters.Dispose();
}
m_allAdapters = null;
// Dispose of routing tables
if (m_routingTables != null)
{
m_routingTables.StatusMessage -= m_routingTables_StatusMessage;
m_routingTables.ProcessException -= m_routingTables_ProcessException;
m_routingTables.Dispose();
}
m_routingTables = null;
if ((object)dataSource != null)
{
dataSource.Dispose();
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
if (Disposed != null)
{
Disposed(this, EventArgs.Empty);
}
}
}
}
/// <summary>
/// Creates a new <see cref="IaonSession"/>.
/// </summary>
public IaonSession()
{
ConfigurationFile configFile = ConfigurationFile.Current;
// Initialize system settings
CategorizedSettingsElementCollection systemSettings = configFile.Settings["systemSettings"];
systemSettings.Add("NodeID", Guid.NewGuid().ToString(), "Unique Node ID");
m_nodeID = systemSettings["NodeID"].ValueAs <Guid>();
// Initialize threshold settings
CategorizedSettingsElementCollection thresholdSettings = configFile.Settings["thresholdSettings"];
thresholdSettings.Add("MeasurementWarningThreshold", "100000", "Number of unarchived measurements allowed in any output adapter queue before displaying a warning message");
thresholdSettings.Add("MeasurementDumpingThreshold", "500000", "Number of unarchived measurements allowed in any output adapter queue before taking evasive action and dumping data");
thresholdSettings.Add("DefaultSampleSizeWarningThreshold", "10", "Default number of unpublished samples (in seconds) allowed in any action adapter queue before displaying a warning message");
m_measurementWarningThreshold = thresholdSettings["MeasurementWarningThreshold"].ValueAsInt32();
m_measurementDumpingThreshold = thresholdSettings["MeasurementDumpingThreshold"].ValueAsInt32();
m_defaultSampleSizeWarningThreshold = thresholdSettings["DefaultSampleSizeWarningThreshold"].ValueAsInt32();
using (Logger.AppendStackMessages("HostAdapter", "IaonSession"))
{
// Create a new set of routing tables
switch (OptimizationOptions.DefaultRoutingMethod)
{
case OptimizationOptions.RoutingMethod.HighLatencyLowCpu:
m_routingTables = new RoutingTables(new RouteMappingHighLatencyLowCpu());
break;
default:
m_routingTables = new RoutingTables();
break;
}
}
m_routingTables.StatusMessage += m_routingTables_StatusMessage;
m_routingTables.ProcessException += m_routingTables_ProcessException;
// Create a collection to manage all input, action and output adapter collections as a unit
m_allAdapters = new AllAdaptersCollection();
// Attach to common adapter events
m_allAdapters.StatusMessage += StatusMessageHandler;
m_allAdapters.ProcessException += ProcessExceptionHandler;
m_allAdapters.InputMeasurementKeysUpdated += InputMeasurementKeysUpdatedHandler;
m_allAdapters.OutputMeasurementsUpdated += OutputMeasurementsUpdatedHandler;
m_allAdapters.ConfigurationChanged += ConfigurationChangedHandler;
m_allAdapters.Disposed += DisposedHandler;
// Create filter adapters collection
m_filterAdapters = new FilterAdapterCollection();
// Create input adapters collection
m_inputAdapters = new InputAdapterCollection();
m_inputAdapters.NewMeasurements += NewMeasurementsHandler;
m_inputAdapters.ProcessingComplete += ProcessingCompleteHandler;
// Create action adapters collection
m_actionAdapters = new ActionAdapterCollection();
m_actionAdapters.NewMeasurements += NewMeasurementsHandler;
m_actionAdapters.UnpublishedSamples += UnpublishedSamplesHandler;
m_actionAdapters.RequestTemporalSupport += RequestTemporalSupportHandler;
// Create output adapters collection
m_outputAdapters = new OutputAdapterCollection();
m_outputAdapters.UnprocessedMeasurements += UnprocessedMeasurementsHandler;
// Associate adapter collections with routing tables
m_routingTables.InputAdapters = m_inputAdapters;
m_routingTables.ActionAdapters = m_actionAdapters;
m_routingTables.OutputAdapters = m_outputAdapters;
// We group these adapters such that they are initialized in the following order: output, filter, input, action.
// This is done so that the archival capabilities will be setup before we start receiving input and the input
// data will be flowing before any actions get established for the input - at least generally.
m_allAdapters.Add(m_outputAdapters);
m_allAdapters.Add(m_filterAdapters);
m_allAdapters.Add(m_inputAdapters);
m_allAdapters.Add(m_actionAdapters);
m_requestTemporalSupportLock = new object();
}