public void Register(
UOSEventListener listener,
UpDevice device,
string driver,
string instanceId = null,
string eventKey = null,
IDictionary <string, object> parameters = null)
{
// If the listener is already registered it cannot be registered again
string eventIdentifier = GetEventIdentifier(device, driver, instanceId, eventKey);
logger.Log("Registering listener for event :" + eventIdentifier);
List <ListenerInfo> list;
if (!listenerMap.TryGetValue(eventIdentifier, out list))
{
list = null;
}
if (FindListener(listener, list) == null)
{
ListenerInfo info = new ListenerInfo();
info.driver = driver;
info.instanceId = instanceId;
info.eventKey = eventKey;
info.listener = listener;
info.device = device;
RegisterNewListener(device, parameters, eventIdentifier, info);
}
}
/// <summary>
/// Removes a listener for receiving Notify events and notifies the event driver of its removal.
/// </summary>
/// <param name="listener"></param>
/// <param name="device"></param>
/// <param name="driver"></param>
/// <param name="instanceId"></param>
/// <param name="eventKey"></param>
public void Unregister(
UOSEventListener listener,
UpDevice device = null,
string driver = null,
string instanceId = null,
string eventKey = null)
{
List <ListenerInfo> listeners = FindListeners(device, driver, instanceId, eventKey);
if (listeners == null)
{
return;
}
System.Exception e = null;
foreach (var li in listeners)
{
// only if its the same listener, it should be removed
if (li.listener.Equals(listener))
{
bool remove = true;
// If the driver name is informed, and it's not the same, it must not be removed
if ((driver != null) && (li.driver != null))
{
remove = remove && li.driver.Equals(driver, System.StringComparison.InvariantCultureIgnoreCase);
}
// If the instanceId is informed, and it's not the same, it must not be removed
if ((instanceId != null) && (li.instanceId != null))
{
remove = remove && li.instanceId.Equals(instanceId, System.StringComparison.InvariantCultureIgnoreCase);
}
if (remove)
{
try
{
//Notify device of the listener removal
UnregisterForEvent(li);
}
catch (System.Exception ex)
{
string id = GetEventIdentifier(device, driver, instanceId, eventKey);
logger.LogError("Failed to unregister for event " + id + ": " + e.Message);
e = ex;
}
}
}
}
if (e != null)
{
throw e;
}
}
private ListenerInfo?FindListener(UOSEventListener listener, List <ListenerInfo> list)
{
if ((list != null) && (listener != null))
{
int pos = list.FindIndex(i => i.listener.Equals(listener));
if (pos >= 0)
{
return(list[pos]);
}
}
return(null);
}
private ListenerInfo? FindListener(UOSEventListener listener, List<ListenerInfo> list)
{
if ((list != null) && (listener != null))
{
int pos = list.FindIndex(i => i.listener.Equals(listener));
if (pos >= 0)
return list[pos];
}
return null;
}
/// <summary>
/// Removes a listener for receiving Notify events and notifies the event driver of its removal.
/// </summary>
/// <param name="listener"></param>
/// <param name="device"></param>
/// <param name="driver"></param>
/// <param name="instanceId"></param>
/// <param name="eventKey"></param>
public void Unregister(
UOSEventListener listener,
UpDevice device = null,
string driver = null,
string instanceId = null,
string eventKey = null)
{
List<ListenerInfo> listeners = FindListeners(device, driver, instanceId, eventKey);
if (listeners == null)
return;
System.Exception e = null;
foreach (var li in listeners)
{
// only if its the same listener, it should be removed
if (li.listener.Equals(listener))
{
bool remove = true;
// If the driver name is informed, and it's not the same, it must not be removed
if ((driver != null) && (li.driver != null))
remove = remove && li.driver.Equals(driver, System.StringComparison.InvariantCultureIgnoreCase);
// If the instanceId is informed, and it's not the same, it must not be removed
if ((instanceId != null) && (li.instanceId != null))
remove = remove && li.instanceId.Equals(instanceId, System.StringComparison.InvariantCultureIgnoreCase);
if (remove)
{
try
{
//Notify device of the listener removal
UnregisterForEvent(li);
}
catch (System.Exception ex)
{
string id = GetEventIdentifier(device, driver, instanceId, eventKey);
logger.LogError("Failed to unregister for event " + id + ": " + e.Message);
e = ex;
}
}
}
}
if (e != null)
throw e;
}
public void Register(
UOSEventListener listener,
UpDevice device,
string driver,
string instanceId = null,
string eventKey = null,
IDictionary<string, object> parameters = null)
{
// If the listener is already registered it cannot be registered again
string eventIdentifier = GetEventIdentifier(device, driver, instanceId, eventKey);
logger.Log("Registering listener for event :" + eventIdentifier);
List<ListenerInfo> list;
if (!listenerMap.TryGetValue(eventIdentifier, out list))
list = null;
if (FindListener(listener, list) == null)
{
ListenerInfo info = new ListenerInfo();
info.driver = driver;
info.instanceId = instanceId;
info.eventKey = eventKey;
info.listener = listener;
info.device = device;
RegisterNewListener(device, parameters, eventIdentifier, info);
}
}
