コード例 #1
0
        internal static PeerApplication ConvertPEER_APPLICATIONToPeerApplication(PEER_APPLICATION pa)
        {
            byte[] data = null;

            if (pa.data.cbData != 0)
            {
                data = new byte[pa.data.cbData];
                Marshal.Copy(pa.data.pbData, data, 0, (int)pa.data.cbData);
            }

            return(new PeerApplication(ConvertGUIDToGuid(pa.guid),
                                       Marshal.PtrToStringUni(pa.pwzDescription),
                                       data,
                                       null, null, PeerScope.None));
        }
コード例 #2
0
        internal static PeerApplication ConvertPEER_APPLICATIONToPeerApplication(PEER_APPLICATION pa)
        {
            byte[] data = null;

            if (pa.data.cbData != 0){
                data = new byte[pa.data.cbData];
                Marshal.Copy(pa.data.pbData, data, 0, (int)pa.data.cbData);
            }

            return new PeerApplication( ConvertGUIDToGuid(pa.guid),
                                        Marshal.PtrToStringUni(pa.pwzDescription),
                                        data,
                                        null, null, PeerScope.None);
        }
コード例 #3
0
        private 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.EndPointApplicationChanged)
                    {
                        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);;

                        //
                        // Check if the Guid of the fired app is indeed our guid
                        //

                        if (Guid.Equals(m_id, peerApplication.Id))
                        {
                            PeerContact  peerContact  = null;
                            PeerEndPoint peerEndPoint = null;

                            if (appData.pContact != IntPtr.Zero)
                            {
                                PEER_CONTACT pc = (PEER_CONTACT)Marshal.PtrToStructure(appData.pContact, typeof(PEER_CONTACT));
                                peerContact = CollaborationHelperFunctions.ConvertPEER_CONTACTToPeerContact(pc);
                            }

                            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,
                                                                             peerContact,
                                                                             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().");
        }