示例#1
0
        /// <summary>
        /// Handle inbound VersionResponseMessage.
        /// </summary>
        /// <param name="responseMessage"></param>
        public void ReceiveResponse(VersionResponseMessage responseMessage)
        {
            Trace.WriteLine("VersionResponseMessage received from " + m_RemoteParticipant.Guid.ToString());
            m_RemoteVersion = responseMessage.ResponderVersion;

            if (m_RemoteVersion > VersionExchangeModel.LocalVersion)
            {
                m_RemoteCompatibility = responseMessage.Compatibility;
                m_RecommendedAction   = responseMessage.Action;
                m_WarningMessage      = responseMessage.WarningMessage;
                if (!this.m_LocalNodeIsInstructor)
                {
                    if ((m_RecommendedAction == VersionIncompatibilityRecommendedAction.IssueWarning) &&
                        (m_WarningMessage != null) && (m_WarningMessage != ""))
                    {
                        //Cause a local pop-up warning to be displayed.
                        PresenterModel.TheInstance.VersionExchange.SetPopUpWarning(m_WarningMessage);
                    }
                }
                else
                {
                    //Here we might want to show warning, but aggregate across all participants and show one messagebox.
                }
            }
            else if (m_RemoteVersion < VersionExchangeModel.LocalVersion)
            {
                //This node is newer than the remote node, so use the local compatibility matrix
                // to generate compatibility information.
                VersionResponseMessage vrm = CompatiblityMatrix.GetVersionResponseMessage(m_RemoteVersion);
                m_RemoteCompatibility = vrm.Compatibility;
                m_RecommendedAction   = vrm.Action;
                m_WarningMessage      = vrm.LocalWarningMessage;

                //If the local node is an instructor and if the local node has a later version, we send one more
                // response back to the client since our verison of the compatibility matrix may have information
                // that the client's matrix doesn't have.
                if (this.m_LocalNodeIsInstructor)
                {
                    using (Synchronizer.Lock(this.SyncRoot)) {
                        this.SetPublishedProperty("SendVersionResponse", ref this.m_SendVersionResponse, vrm);
                    }
                }

                //Are there any cases where we want to raise events?  If so, the code can be added later as needed.
            }
            else
            {
                //Versions are equal.  We fully expect compatiblity in this case.
                m_RemoteCompatibility = responseMessage.Compatibility;
                m_RecommendedAction   = responseMessage.Action;
                m_WarningMessage      = responseMessage.WarningMessage;
            }
        }
示例#2
0
        /// <summary>
        /// Handle inbound VersionRequestMessage from this participant.  Always respond.
        /// </summary>
        /// <param name="version"></param>
        internal void ReceiveRequest(Version version)
        {
            m_RemoteVersion = version;
            VersionResponseMessage vrm = CompatiblityMatrix.GetVersionResponseMessage(m_RemoteVersion);

            //If local is newer or equal, populate compatibility information from the local matrix
            if (m_RemoteVersion <= VersionExchangeModel.LocalVersion)
            {
                m_RemoteCompatibility = vrm.Compatibility;
                m_RecommendedAction   = vrm.Action;
                m_WarningMessage      = vrm.LocalWarningMessage;
            }

            //Set the property to cause the Network Service to send the response.
            using (Synchronizer.Lock(this.SyncRoot)) {
                this.SetPublishedProperty("SendVersionResponse", ref this.m_SendVersionResponse, vrm);
            }
        }