public override PeerInvitationResponse Invite(PeerApplication applicationToInvite, string message,
byte[] invitationData)
{
if (m_Disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
PeerCollaborationPermission.UnrestrictedPeerCollaborationPermission.Demand();
if (applicationToInvite == null)
{
throw new ArgumentNullException("applicationToInvite");
}
if (applicationToInvite.Id == Guid.Empty)
{
throw new PeerToPeerException(SR.GetString(SR.Collab_EmptyGuidError));
}
//
// We need at least one endpoint to send invitation to
//
PeerEndPointCollection peerEndPoints = PeerEndPoints;
if ((peerEndPoints == null) || (peerEndPoints.Count == 0))
{
throw new PeerToPeerException(SR.GetString(SR.Collab_NoEndpointFound));
}
PeerEndPoint peerEndPoint = PeerEndPoints[0];
PeerInvitationResponse response = InternalInviteEndPoint(applicationToInvite.Id, message, invitationData,
peerEndPoint, null);
// throw an exception if the response type is ERROR
CollaborationHelperFunctions.ThrowIfInvitationResponseInvalid(response);
return(response);
}
public override void InviteAsync(PeerApplication applicationToInvite, string message,
byte[] invitationData, Object userToken)
{
if (m_Disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
PeerCollaborationPermission.UnrestrictedPeerCollaborationPermission.Demand();
if (applicationToInvite == null)
{
throw new ArgumentNullException("applicationToInvite");
}
if (applicationToInvite.Id == Guid.Empty)
{
throw new PeerToPeerException(SR.GetString(SR.Collab_EmptyGuidError));
}
if (userToken == null)
{
throw new ArgumentException(SR.GetString(SR.NullUserToken));
}
//
// We need at least one endpoint to send invitation to
//
PeerEndPointCollection peerEndPoints = PeerEndPoints;
if ((peerEndPoints == null) || (peerEndPoints.Count == 0))
{
throw new PeerToPeerException(SR.GetString(SR.Collab_NoEndpointFound));
}
InternalInviteAsync(applicationToInvite.Id, message, invitationData,
peerEndPoints, null, userToken);
}
internal override void ApplicationChangedCallback(object state, bool timedOut)
{
SafeCollabData eventData = null;
int errorCode = 0;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "ApplicationChangedCallback() called.");
if (m_Disposed)
{
return;
}
while (true)
{
ApplicationChangedEventArgs appChangedArgs = null;
//
// Get the event data for the fired event
//
try{
lock (LockAppChangedEvent){
if (m_safeAppChangedEvent.IsInvalid)
{
return;
}
errorCode = UnsafeCollabNativeMethods.PeerCollabGetEventData(m_safeAppChangedEvent,
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_GetApplicationChangedDataFailed), errorCode);
}
PEER_COLLAB_EVENT_DATA ped = (PEER_COLLAB_EVENT_DATA)Marshal.PtrToStructure(eventData.DangerousGetHandle(),
typeof(PEER_COLLAB_EVENT_DATA));
if (ped.eventType == PeerCollabEventType.MyApplicationChanged)
{
PEER_EVENT_APPLICATION_CHANGED_DATA appData = ped.applicationChangedData;
PEER_APPLICATION pa = (PEER_APPLICATION)Marshal.PtrToStructure(appData.pApplication, typeof(PEER_APPLICATION));
PeerApplication peerApplication = CollaborationHelperFunctions.ConvertPEER_APPLICATIONToPeerApplication(pa);;
PeerEndPoint peerEndPoint = null;
if (appData.pEndPoint != IntPtr.Zero)
{
PEER_ENDPOINT pe = (PEER_ENDPOINT)Marshal.PtrToStructure(appData.pEndPoint, typeof(PEER_ENDPOINT));
peerEndPoint = CollaborationHelperFunctions.ConvertPEER_ENDPOINTToPeerEndPoint(pe);
}
appChangedArgs = new ApplicationChangedEventArgs(peerEndPoint,
null,
appData.changeType,
peerApplication);
}
}
finally{
if (eventData != null)
{
eventData.Dispose();
}
}
//
// Fire the callback with the marshalled event args data
//
if (appChangedArgs != null)
{
OnApplicationChanged(appChangedArgs);
}
}
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Leaving ApplicationChangedCallback().");
}
