protected void OnNameChanged(NameChangedEventArgs nameChangedArgs)
{
EventHandler <NameChangedEventArgs> handlerCopy = m_nameChanged;
if (handlerCopy != null)
{
if (SynchronizingObject != null && SynchronizingObject.InvokeRequired)
{
SynchronizingObject.BeginInvoke(handlerCopy, new object[] { this, nameChangedArgs });
}
else
{
handlerCopy(this, nameChangedArgs);
}
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Fired the name changed event callback.");
}
}
private void NameChangedCallback(object state, bool timedOut)
{
SafeCollabData eventData = null;
int errorCode = 0;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "NameChangedCallback() called.");
if (m_Disposed)
{
return;
}
while (true)
{
NameChangedEventArgs nameChangedArgs = null;
//
// Get the event data for the fired event
//
try{
lock (LockNameChangedEvent)
{
if (m_safeNameChangedEvent.IsInvalid)
{
return;
}
errorCode = UnsafeCollabNativeMethods.PeerCollabGetEventData(m_safeNameChangedEvent,
out eventData);
}
if (errorCode == UnsafeCollabReturnCodes.PEER_S_NO_EVENT_DATA)
{
break;
}
else if (errorCode != 0)
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Error, 0, "PeerCollabGetEventData returned with errorcode {0}", errorCode);
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_GetNameChangedDataFailed), errorCode);
}
PEER_COLLAB_EVENT_DATA ped = (PEER_COLLAB_EVENT_DATA)Marshal.PtrToStructure(eventData.DangerousGetHandle(),
typeof(PEER_COLLAB_EVENT_DATA));
if (ped.eventType == PeerCollabEventType.EndPointChanged)
{
PEER_EVENT_ENDPOINT_CHANGED_DATA epData = ped.endpointChangedData;
PeerEndPoint peerEndPoint = null;
if (epData.pEndPoint != IntPtr.Zero)
{
PEER_ENDPOINT pe = (PEER_ENDPOINT)Marshal.PtrToStructure(epData.pEndPoint, typeof(PEER_ENDPOINT));
peerEndPoint = CollaborationHelperFunctions.ConvertPEER_ENDPOINTToPeerEndPoint(pe);
}
if ((peerEndPoint != null) && Equals(peerEndPoint))
{
PeerContact peerContact = null;
if (epData.pContact != IntPtr.Zero)
{
PEER_CONTACT pc = (PEER_CONTACT)Marshal.PtrToStructure(epData.pContact, typeof(PEER_CONTACT));
peerContact = CollaborationHelperFunctions.ConvertPEER_CONTACTToPeerContact(pc);
}
nameChangedArgs = new NameChangedEventArgs(peerEndPoint,
peerContact,
peerEndPoint.Name);
}
}
}
finally{
if (eventData != null)
{
eventData.Dispose();
}
}
//
// Fire the callback with the marshalled event args data
//
if (nameChangedArgs != null)
{
OnNameChanged(nameChangedArgs);
//
// Change the name with the new name
//
Name = nameChangedArgs.PeerEndPoint.Name;
}
}
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Leaving NameChangedCallback().");
}
