/// <summary>
/// Periodically checks for changes for any monitored area or controller.
/// </summary>
private void OnUpdate(object state)
{
try {
lock (m_dataLock) {
// check if halted.
if (m_monitoredObjects.Count == 0)
{
m_timer.Dispose();
m_timer = null;
return;
}
for (int ii = 0; ii < m_monitoredObjects.Count; ii++)
{
MonitoredObject monitoredObject = m_monitoredObjects[ii];
if (monitoredObject.Area != null)
{
monitoredObject.Area.CheckForChanges(m_systemContext);
monitoredObject.Area.ClearChangeMasks(m_systemContext, true);
}
if (monitoredObject.Controller != null)
{
monitoredObject.Controller.CheckForChanges(m_systemContext);
monitoredObject.Controller.ClearChangeMasks(m_systemContext, true);
}
}
}
} catch (Exception e) {
Utils.Trace(e, "FileSystemMonitor: Unexpected error updating monitored objects.");
}
}
/// <summary>
/// Starts monitoring a controller for changes.
/// </summary>
public int MonitorController(ControllerState controller, bool stop)
{
lock (m_dataLock)
{
MonitoredObject monitoredObject = null;
for (int ii = 0; ii < m_monitoredObjects.Count; ii++)
{
monitoredObject = m_monitoredObjects[ii];
if (Object.ReferenceEquals(controller, monitoredObject.Controller))
{
if (stop)
{
monitoredObject.Refs--;
if (monitoredObject.Refs == 0)
{
m_monitoredObjects.RemoveAt(ii);
}
}
else
{
monitoredObject.Refs++;
}
return(monitoredObject.Refs);
}
}
if (stop)
{
return(0);
}
StartTimer();
monitoredObject = new MonitoredObject();;
monitoredObject.Controller = controller;
monitoredObject.Refs = 1;
m_monitoredObjects.Add(monitoredObject);
return(monitoredObject.Refs);
}
}
/// <summary>
/// Starts monitoring an area for changes.
/// </summary>
public int MonitorArea(AreaState area, bool stop)
{
lock (m_dataLock)
{
MonitoredObject monitoredObject = null;
for (int ii = 0; ii < m_monitoredObjects.Count; ii++)
{
monitoredObject = m_monitoredObjects[ii];
if (Object.ReferenceEquals(area, monitoredObject.Area))
{
if (stop)
{
monitoredObject.Refs--;
if (monitoredObject.Refs == 0)
{
m_monitoredObjects.RemoveAt(ii);
}
}
else
{
monitoredObject.Refs++;
}
return(monitoredObject.Refs);
}
}
if (stop)
{
return(0);
}
StartTimer();
monitoredObject = new MonitoredObject();
monitoredObject.Area = area;
monitoredObject.Refs = 1;
m_monitoredObjects.Add(monitoredObject);
return(monitoredObject.Refs);
}
}
public MonitoredObjectState(MonitoredObject monitoredObject, long timestamp)
{
MonitoredObject = monitoredObject;
_timestamp = timestamp;
}
/// <summary>
/// Starts monitoring a controller for changes.
/// </summary>
public int MonitorController(ControllerState controller, bool stop)
{
lock (m_dataLock)
{
MonitoredObject monitoredObject = null;
for (int ii = 0; ii < m_monitoredObjects.Count; ii++)
{
monitoredObject = m_monitoredObjects[ii];
if (Object.ReferenceEquals(controller, monitoredObject.Controller))
{
if (stop)
{
monitoredObject.Refs--;
if (monitoredObject.Refs == 0)
{
m_monitoredObjects.RemoveAt(ii);
}
}
else
{
monitoredObject.Refs++;
}
return monitoredObject.Refs;
}
}
if (stop)
{
return 0;
}
StartTimer();
monitoredObject = new MonitoredObject();;
monitoredObject.Controller = controller;
monitoredObject.Refs = 1;
m_monitoredObjects.Add(monitoredObject);
return monitoredObject.Refs;
}
}
/// <summary>
/// Starts monitoring an area for changes.
/// </summary>
public int MonitorArea(AreaState area, bool stop)
{
lock (m_dataLock)
{
MonitoredObject monitoredObject = null;
for (int ii = 0; ii < m_monitoredObjects.Count; ii++)
{
monitoredObject = m_monitoredObjects[ii];
if (Object.ReferenceEquals(area, monitoredObject.Area))
{
if (stop)
{
monitoredObject.Refs--;
if (monitoredObject.Refs == 0)
{
m_monitoredObjects.RemoveAt(ii);
}
}
else
{
monitoredObject.Refs++;
}
return monitoredObject.Refs;
}
}
if (stop)
{
return 0;
}
StartTimer();
monitoredObject = new MonitoredObject();
monitoredObject.Area = area;
monitoredObject.Refs = 1;
m_monitoredObjects.Add(monitoredObject);
return monitoredObject.Refs;
}
}