示例#1
0
        myTreeNode findTreeNodeDevice(BACnetManager bnm, BACnetPacket pkt)
        {
            // Remember, a device is defined by a Network Number and a MAC address. Nothing else!

            for (int i = 0; i < this.TreeViewOnUI.Nodes.Count; i++)
            {
                myTreeNode tnNetwork = (myTreeNode)this.TreeViewOnUI.Nodes[i];

                if (tnNetwork.networkNumber == pkt.srcDevice.adr.networkNumber)
                {
                    // found Network.. now check if node exists

                    for (int j = 0; j < tnNetwork.Nodes.Count; j++)
                    {
                        myTreeNode tnDevice = (myTreeNode)tnNetwork.Nodes[j];

                        if (tnDevice != null && tnDevice.device != null && tnDevice.device.Equals(pkt.srcDevice))
                        {
                            // found
                            tnDevice.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;
                            return(tnDevice);
                        }
                    }
                }
            }
            return(null);
        }
示例#2
0
        // Returns reference to a network node, creating one if necessary

        myTreeNode EstablishTreeNodeNet(BACnetManager bnm, BACnetPacket pkt)
        {
            // return reference if it is found.

            for (int i = 0; i < this.TreeViewOnUI.Nodes.Count; i++)
            {
                myTreeNode tnNetwork = (myTreeNode)this.TreeViewOnUI.Nodes[i];

                if (tnNetwork.networkNumber == pkt.srcDevice.adr.networkNumber)
                {
                    tnNetwork.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;
                    return(tnNetwork);
                }
            }

            // not found, so create it

            myTreeNode newNode = new myTreeNode();

            if (pkt.srcDevice.adr.directlyConnected == true)
            {
                newNode.Text = "Directly Connected Network ( " + pkt.srcDevice.adr.networkNumber + " )";
            }
            else
            {
                newNode.Text = "Network " + pkt.srcDevice.adr.networkNumber;
            }

            newNode.networkNumber     = pkt.srcDevice.adr.networkNumber;
            newNode.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;

            this.TreeViewOnUI.Nodes.Add(newNode);
            return(newNode);
        }
示例#3
0
        // Returns reference to device node, creating one if necessary.

        myTreeNode EstablishTreeNodeDevice(BACnetManager bnm, BACnetPacket pkt)
        {
            // does one exist?
            myTreeNode mtnd = findTreeNodeDevice(bnm, pkt);

            if (mtnd != null)
            {
                return(mtnd);
            }

            // no, time to create it

            // establish the network

            myTreeNode mtnn = EstablishTreeNodeNet(bnm, pkt);

            myTreeNode newNode = new myTreeNode();

            newNode.Text = "Device " + pkt.srcDevice.deviceObjectID.objectInstance;

            newNode.device.adr = pkt.srcDevice.adr;

            newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.LastAccessTime, "Seconds since msg 0");

            newNode.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;

            mtnn.Nodes.Add(newNode);

            // todo, add a few other parameters.

            mtnn.Expand();

            return(newNode);
        }
示例#4
0
        public myTreeNode AddMyTreeNodeObject(TREENODE_OBJ_TYPE tnoType, string text)
        {
            myTreeNode mtn = new myTreeNode(text);

            mtn.type = tnoType;
            base.Nodes.Add(mtn);
            return(mtn);
        }
示例#5
0
        // Returns reference to device node, creating one if necessary.

        myTreeNode EstablishTreeNodeDevice(BACnetManager bnm, BACnetPacket pkt)
        {
            // does one exist?
            myTreeNode mtnd = findTreeNodeDevice(bnm, pkt);

            if (mtnd != null)
            {
                return(mtnd);
            }

            // no, time to create it

            // establish the network

            myTreeNode mtnn = EstablishTreeNodeNet(bnm, pkt);

            myTreeNode newNode = new myTreeNode();

            // If this is an I-Am-Router-To-Network message, then there is no deviceObject...
            if (pkt.messageType == BACnetPacket.MESSAGE_TYPE.NETWORK_LAYER)
            {
                if (pkt.npdu.function == BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK ||
                    pkt.npdu.function == BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_INIT_RT_TABLE_ACK)
                {
                    // ignore
                    newNode.Text        = "Router";
                    newNode.device.type = BACnetEnums.DEVICE_TYPE.Router;
                    newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.DeviceInstance, "");
                    newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.MACaddress, "");
                    newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.VendorID, "");
                }
                else
                {
                    _apm.MessageTodo("m0140 - What other NPDU only messages could we receive that would want us to create a device?");
                }
            }
            else
            {
                newNode.Text = "Device " + pkt.srcDevice.deviceObjectID.objectInstance;
            }

            newNode.device.adr = pkt.srcDevice.adr;
            //newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.LastAccessTime, "Seconds since msg 0");

            newNode.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;

            mtnn.Nodes.Add(newNode);

            // todo, add a few other parameters.

            newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.BACnetADR, pkt.srcDevice.adr.ToString());


            mtnn.Expand();

            return(newNode);
        }
示例#6
0
        public myTreeNode EnsureMyTreeNodeObject(TREENODE_OBJ_TYPE tnoType, string text)
        {
            // Only adds if it has to, if there is already such an object, simply returns that object
            myTreeNode mtn = FindmyTreeNode(tnoType);

            if (mtn != null)
            {
                // update the text
                mtn.Text = text;
                return(mtn);
            }
            // else create one
            mtn      = new myTreeNode(text);
            mtn.type = tnoType;
            base.Nodes.Add(mtn);
            return(mtn);
        }
示例#7
0
 myTreeNode findTreeNodeObject(myTreeNode mtn, BACnetObjectIdentifier bno)
 {
     for (int i = 0; i < mtn.Nodes.Count; i++)
     {
         // there may be a mix of myTreeNodes and TreeNodes. Only peer at myTreeNode types
         if (mtn.Nodes[i].GetType() == typeof(myTreeNode))
         {
             if (((myTreeNode)mtn.Nodes[i]).oID != null)
             {
                 if (((myTreeNode)mtn.Nodes[i]).oID.Equals(bno) == true)
                 {
                     return((myTreeNode)mtn.Nodes[i]);
                 }
             }
         }
     }
     return(null);
 }
示例#8
0
        public void UpdateDeviceTreeView(BACnetManager bnm, BACnetPacket pkt)
        {
            if (!pkt.apdu_present)
            {
                // means that this packet must be a NPDU message. Treat it differently

                switch (pkt.npdu.function)
                {
                case BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK:
                case BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_INIT_RT_TABLE_ACK:

                    // means we had a response from a router - establish the router in our tree.
                    myTreeNode mtnd = EstablishTreeNodeDevice(bnm, pkt);

                    if (mtnd != null)
                    {
                        // found, or established, the treenode matching the device,
                        // now add the objects to it.

                        // update the type of device - we now know it is a router (even if we did not know before).
                        if (mtnd.device != null)
                        {
                            if (mtnd.device.GetType() == typeof(Device))
                            {
                                // it is still a simple device type, upgrade it
                                _apm.MessageConfigChange(String.Format("m0139 - Device changing from a {0} to a Router", mtnd.Text));
                                //if (mtnd.router == null) mtnd.router = new Router(mtnd.device);
                                //mtnd.device = null;
                                mtnd.device = new Router(mtnd.device);
                                mtnd.type   = myTreeNode.TREENODE_OBJ_TYPE.Router;
                                mtnd.Text   = "Router";
                            }
                        }

                        ((Router)mtnd.device).AddRoutingTableEntries(pkt.routerTableList);

                        // now go through the Router's routing table and display each entry appropriately

                        foreach (RoutingTableEntry rte in ((Router)mtnd.device).routingTableEntries)
                        {
                            bool found = false;

                            for (int i = 0; i < mtnd.Nodes.Count; i++)
                            {
                                if (mtnd.Nodes[i].GetType() == typeof(myTreeNode))
                                {
                                    myTreeNode mtnObj = (myTreeNode)mtnd.Nodes[i];
                                    if (mtnObj.type == myTreeNode.TREENODE_OBJ_TYPE.RouterTableEntry && mtnObj.rte.networkNumber == rte.networkNumber)
                                    {
                                        // if we get here, the object already exists in the display list and we must not add it again.
                                        // but let us check farSide flag for consistency
                                        if (mtnObj.rte.farSide != true)
                                        {
                                            _apm.MessageTodo("m0143-Farside error");
                                        }
                                        mtnObj.rte.farSide = true;
                                        found = true;
                                        // Redo the text, something (like portID) may have been updated
                                        mtnObj.Text = rte.ToString();
                                        break;
                                    }
                                }
                            }

                            if (!found)
                            {
                                // not found, so add
                                myTreeNode ntn = mtnd.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.RouterTableEntry, rte.ToString());
                                ntn.rte         = rte;
                                ntn.ToolTipText = "Do not right click on this item, it has no effect";
                                mtnd.Expand();
                            }
                        }
                    }
                    mtnd.Expand();
                    break;

                    //case BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_INIT_RT_TABLE_ACK:

                    //    myTreeNode mtnrt = EstablishTreeNodeDevice(bnm, pkt);

                    //    if (mtnrt != null)
                    //    {
                    //        // found, or established, the treenode matching the device,
                    //        // now add the objects to it.
                    //        // update the type of device - we now know it is a router (even if we did not know before).

                    //        mtnrt.device.type = BACnetEnums.DEVICE_TYPE.Router;
                    //        mtnrt.Text = "Router";

                    //        foreach (RoutingTableEntry rp in pkt.routerPortList)
                    //        {
                    //            bool found = false;

                    //            for (int i = 0; i < mtnrt.Nodes.Count; i++)
                    //            {
                    //                if (mtnrt.Nodes[i].GetType() == typeof(myTreeNode))
                    //                {
                    //                    myTreeNode mtnObj = (myTreeNode)mtnrt.Nodes[i];
                    //                    if (mtnObj.type == myTreeNode.TREENODE_OBJ_TYPE.RouterPort && mtnObj.rp.networkNumber == rp.networkNumber)
                    //                    {
                    //                        // if we get here, the object already exists in the list and we must not add it again.
                    //                        found = true;
                    //                        // farside nearside stuff mtnObj.networkNumberFromInitRouterTable = true;

                    //                        // Let us update it though, may be new information
                    //                        // mtnObj.Text = rp.ToString() ;
                    //                        break;
                    //                    }
                    //                }
                    //            }

                    //            if (!found)
                    //            {
                    //                //// not found, so add
                    //                myTreeNode ntn = mtnrt.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.RouterPort, rp.ToString());
                    //                ntn.rp = rp;
                    //                // nearside farside stuff ntn.networkNumberFromInitRouterTable = true;
                    //                // ntn.ToolTipText = "Do not right click on this item, it has no effect";
                    //                mtnrt.Expand();
                    //            }
                    //        }
                    //    }
                    //    break;
                }
                return;
            }
            else
            {
                // If we reach here, means APDU is present

                switch (pkt.pduType)
                {
                case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST:
                    switch (pkt.unconfirmedServiceChoice)
                    {
                    case BACnetEnums.BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_I_AM:
                        pkt.srcDevice.directlyConnectedIPEndPointOfDevice = pkt.directlyConnectedIPEndPointOfDevice;          // was fromBIP

                        // todo, not sure where I use this - check
                        // bnm.deviceList.Add(pkt.srcDevice);

                        AddDeviceToTreeNode(bnm, pkt);
                        // bnm.newPacketQueue.myEnqueue(packet);
                        break;

                    case BACnetEnums.BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_WHO_IS:
                        // ignore reflected who-is messages
                        break;

                    default:
                        throw new Exception("m0178-Todo");
                    }
                    break;

                case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_COMPLEX_ACK:
                    switch (pkt.confirmedServiceChoice)
                    {
                    case BACnetEnums.BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_READ_PROPERTY:
                        myTreeNode mtn;
                        switch (pkt.propertyID)
                        {
                        case BACnetEnums.BACNET_PROPERTY_ID.PROP_OBJECT_LIST:
                            // what we need to do here is list the objects on the treeview...
                            // first find the device in the tree
                            mtn = findTreeNodeDevice(bnm, pkt);

                            // add the objects to it
                            if (mtn != null)
                            {
                                // found the treenode matching the device, add the objects to it.

                                foreach (BACnetObjectIdentifier bno in pkt.objectList)
                                {
                                    // does it exist? if so, ignore
                                    if (findTreeNodeObject(mtn, bno) == null)
                                    {
                                        // not found, so add
                                        myTreeNode ntn = new myTreeNode();
                                        ntn.oID         = bno;
                                        ntn.type        = myTreeNode.TREENODE_OBJ_TYPE.BACnetObject;
                                        ntn.Text        = bno.objectType.ToString() + "   Instance: " + bno.objectInstance.ToString();
                                        ntn.ToolTipText = "Right-click to read more data";
                                        mtn.Nodes.Add(ntn);
                                    }
                                }
                            }

                            break;

                        case BACnetEnums.BACNET_PROPERTY_ID.PROP_OBJECT_TYPE:
                            // these properties are of academic interest only. We already have this data from the object list.
                            _apm.MessageTodo("m0080 - Perhaps we need to confirm we have the object on our list already and panic if not");
                            break;

                        case BACnetEnums.BACNET_PROPERTY_ID.PROP_OBJECT_NAME:

                            // Leave these for when we implement stuff on the Browser.

                            // find the device, then the object, then append the name.
                            //mtn = findTreeNodeDevice(bnm, pkt);
                            //myTreeNode mtn2 = findTreeNodeObject(mtn, pkt.objectID);
                            //if (mtn2 == null)
                            //{
                            //    _apm.MessageTodo("m0081 - this is a surprise");
                            //}
                            //else
                            //{
                            //    mtn2.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.GenericText, "Name");
                            //}
                            break;

                        default:
                            mtn = findTreeNodeDevice(bnm, pkt);
                            if (mtn != null)
                            {
                                // for now, just add the object.
                                // _apm.MessageTodo("m0524");
                                //myTreeNode ntn = new myTreeNode();
                                //ntn.type = myTreeNode.TREENODE_OBJ_TYPE.BACnetObject;
                                //ntn.Text = pkt.propertyID.ToString();
                                //ntn.ToolTipText = "Do not right click on this item, it has no effect";
                                //mtn.Nodes.Add(ntn);
                            }
                            break;
                        }
                        break;

                    default:
                        throw new Exception("m0179-Todo");
                    }
                    break;

                case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_CONFIRMED_SERVICE_REQUEST:
                case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_REJECT:
                case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_ERROR:
                    // These messages do not affect the Device TreeView, so we will ignore them..
                    break;

                default:
                    _apm.MessageTodo("m0027 - Device Treeview needs to parse this message still: " + pkt.pduType.ToString());
                    break;
                }
            }
        }
示例#9
0
        void AddDeviceToTreeNode(BACnetManager bnm, BACnetPacket pkt)
        {
            // find the network display node, or else add a new one

            myTreeNode tni = EstablishTreeNodeNet(bnm, pkt);
            // found Network..
            // check if node already exists

            bool founddeviceflag = false;

            for (int j = 0; j < tni.Nodes.Count; j++)
            {
                myTreeNode tnj = (myTreeNode)tni.Nodes[j];

                if (tnj != null && tnj.device.Equals(pkt.srcDevice))
                {
                    // found, so quit
                    tnj.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;
                    founddeviceflag       = true;
                    tnj.device            = pkt.srcDevice;

                    // right here we can update some parameters... (eg. update i-am details from a router...) todonow

//                    newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.BACnetADR, pkt.srcDevice.adr.ToString());
                    tnj.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.DeviceInstance, pkt.srcDevice.deviceObjectID.objectInstance.ToString());
                    tnj.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.MACaddress, pkt.srcDevice.adr.MACaddress.ToString());
                    tnj.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.VendorID, pkt.srcDevice.vendorID.ToString());
                    tnj.Expand();
                    break;
                }
            }

            // add a device node to the network node

            if (founddeviceflag == false)
            {
                myTreeNode newNode = new myTreeNode();

                newNode.device = pkt.srcDevice;
                newNode.type   = myTreeNode.TREENODE_OBJ_TYPE.Device;

                newNode.Name = "NewNode";

                // todonetxt - add back devicetype
                //NewNode.Text = "Device " + devUpdate.deviceObjectID.objectInstance + " " + devUpdate.deviceType.ToString();
                newNode.Text        = "Device ";
                newNode.ToolTipText = "Right Click on Device Objects for further functionality";

                newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.DeviceInstance, pkt.srcDevice.deviceObjectID.objectInstance.ToString());
                newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.MACaddress, pkt.srcDevice.adr.MACaddress.ToString());
                newNode.UpdatemyTreeNodeLeaf(myTreeNode.TREENODE_OBJ_TYPE.VendorID, pkt.srcDevice.vendorID.ToString());

                newNode.Tag = pkt.srcDevice.deviceObjectID.objectInstance;

                // add other paramters to our new node

                newNode.lastHeardFromTime = _apm._stopWatch.ElapsedMilliseconds;

                // todo, need to fix this, since we are adding TreeNodes here, not myTreeNodes...

                // newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.LastAccessTime, "Seconds since msg 0");
                // newNode.Nodes.Add("Seconds since msg 0");

                if (pkt.srcDevice.adr.directlyConnected != true)
                {
                    newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.GenericText, "Router IP Addr    " + pkt.srcDevice.directlyConnectedIPEndPointOfDevice);
                }

                newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.BACnetADR, "BACnet ADR        " + pkt.srcDevice.adr.ToString());

                newNode.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.GenericText, "Segmentation      " + (int)pkt.srcDevice.SegmentationSupported);

                // migrated away NewNode.isDevice = true;

                newNode.Expand();
                tni.Nodes.Add(newNode);

//                tni.ExpandAll();
                tni.Expand();
            }
        }
示例#10
0
        public void UpdateDeviceTreeView(BACnetManager bnm, BACnetPacket pkt)
        {
            if (!pkt.apdu_present)
            {
                // means that this packet must be a NPDU message. Treat it differently

                switch (pkt.npdu.function)
                {
                case BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK:
                    //if (pkt.numberList.Count > 0)
                    //{
                    // means we had a response from a router - establish the router in our tree.
                    myTreeNode mtnd = EstablishTreeNodeDevice(bnm, pkt);

                    if (mtnd != null)
                    {
                        // found, or established, the treenode matching the device,
                        // now add the objects to it.

                        // update the type of device - we now know it is a router (even if we did not know before).

                        mtnd.device.type = BACnetEnums.DEVICE_TYPE.Router;
                        mtnd.Text        = "Router";

                        if (pkt.numberList != null)
                        {
                            foreach (int bno in pkt.numberList)
                            {
                                bool found = false;

                                for (int i = 0; i < mtnd.Nodes.Count; i++)
                                {
                                    if (mtnd.Nodes[i].GetType() == typeof(myTreeNode))
                                    {
                                        myTreeNode mtnObj = (myTreeNode)mtnd.Nodes[i];
                                        if (mtnObj.type == myTreeNode.TREENODE_OBJ_TYPE.NetworkNumber && mtnObj.networkNumber == bno)
                                        {
                                            // if we get here, the object already exists in the list and we must not add it again.
                                            mtnObj.networkNumberFromWhoIsRouter = true;
                                            found = true;
                                            break;
                                        }
                                    }
                                }

                                if (!found)
                                {
                                    //// not found, so add
                                    myTreeNode ntn = mtnd.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.NetworkNumber, "Network " + bno.ToString());
                                    ntn.networkNumber = (uint)bno;
                                    ntn.networkNumberFromWhoIsRouter = true;
                                    ntn.ToolTipText = "Do not right click on this item, it has no effect";
                                    mtnd.Expand();
                                }
                            }
                        }
                        else
                        {
                            _apm.MessageTodo("m0032");
                        }
                    }

                    //}
                    break;

                case BACnetEnums.BACNET_NETWORK_MESSAGE_TYPE.NETWORK_MESSAGE_INIT_RT_TABLE_ACK:

                    myTreeNode mtnrt = EstablishTreeNodeDevice(bnm, pkt);

                    if (mtnrt != null)
                    {
                        // found, or established, the treenode matching the device,
                        // now add the objects to it.
                        // update the type of device - we now know it is a router (even if we did not know before).

                        mtnrt.device.type = BACnetEnums.DEVICE_TYPE.Router;
                        mtnrt.Text        = "Router";

                        foreach (RouterPort rp in pkt.routerPortList)
                        {
                            bool found = false;

                            for (int i = 0; i < mtnrt.Nodes.Count; i++)
                            {
                                if (mtnrt.Nodes[i].GetType() == typeof(myTreeNode))
                                {
                                    myTreeNode mtnObj = (myTreeNode)mtnrt.Nodes[i];
                                    if (mtnObj.type == myTreeNode.TREENODE_OBJ_TYPE.NetworkNumber && mtnObj.networkNumber == rp.networkNumber)
                                    {
                                        // if we get here, the object already exists in the list and we must not add it again.
                                        found = true;
                                        mtnObj.networkNumberFromInitRouterTable = true;
                                        break;
                                    }
                                }
                            }

                            if (!found)
                            {
                                //// not found, so add
                                myTreeNode ntn = mtnrt.AddMyTreeNodeObject(myTreeNode.TREENODE_OBJ_TYPE.NetworkNumber, "Network " + rp.networkNumber.ToString());
                                ntn.networkNumber = rp.networkNumber;
                                ntn.networkNumberFromInitRouterTable = true;
                                // ntn.ToolTipText = "Do not right click on this item, it has no effect";
                                mtnrt.Expand();
                            }
                        }
                    }

                    break;
                }

                return;
            }

            switch (pkt.pduType)
            {
            case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST:
                switch (pkt.unconfirmedServiceChoice)
                {
                case BACnetEnums.BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_I_AM:
                    pkt.srcDevice.directlyConnectedIPEndPointOfDevice = pkt.directlyConnectedIPEndPointOfDevice;           // was fromBIP

                    // todo, not sure where I use this - check
                    bnm.deviceList.Add(pkt.srcDevice);

                    AddDeviceToTreeNode(bnm, pkt);
                    // bnm.newPacketQueue.Enqueue(packet);
                    break;

                case BACnetEnums.BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_WHO_IS:
                    // ignore reflected who-is messages
                    break;

                default:
                    BACnetLibraryCL.Panic("Todo");
                    break;
                }
                break;

            case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_COMPLEX_ACK:
                switch (pkt.confirmedServiceChoice)
                {
                case BACnetEnums.BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_READ_PROPERTY:
                    switch (pkt.propertyID)
                    {
                    case BACnetEnums.BACNET_PROPERTY_ID.PROP_OBJECT_LIST:
                        // what we need to do here is list the objects on the treeview...

                        // find the device in the tree
                        // add the objects to it

                        myTreeNode mtn = findTreeNodeDevice(bnm, pkt);

                        if (mtn != null)
                        {
                            // found the treenode matching the device, add the objects to it.

                            if (pkt.objectList != null)
                            {
                                foreach (BACnetObjectIdentifier bno in pkt.objectList)
                                {
                                    // does it exist? if so, ignore
                                    if (findTreeNodeObject(mtn, bno) == null)
                                    {
                                        // not found, so add
                                        myTreeNode ntn = new myTreeNode();
                                        ntn.oID         = bno;
                                        ntn.type        = myTreeNode.TREENODE_OBJ_TYPE.BACnetObject;
                                        ntn.Text        = bno.objectType.ToString() + "   Instance: " + bno.objectInstance.ToString();
                                        ntn.ToolTipText = "Do not right click on this item, it has no effect";
                                        mtn.Nodes.Add(ntn);
                                    }
                                }
                            }

                            // now remove the object list??? (but it will be removed when packet is destroyed....
                        }

                        break;

                    default:
                        _apm.MessagePanic("m0030 " + pkt.propertyID.ToString());
                        break;
                    }
                    break;

                default:
                    _apm.MessagePanic("m0029");
                    break;
                }
                break;


            case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_CONFIRMED_SERVICE_REQUEST:
            case BACnetEnums.BACNET_PDU_TYPE.PDU_TYPE_REJECT:
                // These messages do not affect the Device TreeView, so we will ignore them..
                break;

            default:
                _apm.MessageTodo("m0027 - Device Treeview needs to parse this message still: " + pkt.pduType.ToString());
                break;
            }
        }