get the random network visible

EduNetworkBuilder/LinkEditor.cs

@@ -80,7 +80,7 @@ namespace EduNetworkBuilder
             {
                 SrcNic = lbSrcNic.SelectedItem.ToString();
                 int sNicIndex = lbSrcNic.SelectedIndex;
-                NetworkDevice Src = myNet.ItemFromName(lbSrcHost.SelectedItem.ToString());
+                NetworkDevice Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
                 NetworkCard sNic = null;
                 if(Src != null) sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
                 if(sNic != null) srcNicType = sNic.GetNicType;
@@ -196,10 +196,10 @@ namespace EduNetworkBuilder
         private void btnLink_Click(object sender, EventArgs e)
         {
             Network Net = NB.GetNetwork();
-            NetworkDevice Src = Net.ItemFromName(lbSrcHost.SelectedItem.ToString());
+            NetworkDevice Src = Net.DeviceFromName(lbSrcHost.SelectedItem.ToString());
             int sNicIndex = lbSrcNic.SelectedIndex;
             NetworkCard sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
-            NetworkDevice Dst = Net.ItemFromName(lbDstHost.SelectedItem.ToString());
+            NetworkDevice Dst = Net.DeviceFromName(lbDstHost.SelectedItem.ToString());
             int dNicIndex = lbDstNic.SelectedIndex;
             NetworkCard dNic = Dst.NicFromName(lbDstNic.SelectedItem.ToString());
             LinkType LT = NB.ParseEnum<LinkType>(cbLinkType.SelectedItem.ToString());

EduNetworkBuilder/Network.cs

@@ -495,7 +495,8 @@ namespace EduNetworkBuilder
             }
             return thelist;
         }
-        public NetworkDevice ItemFromName(string hostname)
+
+        public NetworkDevice DeviceFromName(string hostname)
         {
             NetworkDevice tDevice;
             foreach (NetworkComponent tItem in NetComponents)
@@ -510,6 +511,16 @@ namespace EduNetworkBuilder
             return null;
         }
 
+        public NetworkComponent ComponentFromName(string hostname)
+        {
+            foreach (NetworkComponent tItem in NetComponents)
+            {
+                if (tItem.hostname == hostname)
+                    return tItem;
+            }
+            return null;
+        }
+
         public bool HasItemCalled(string itemname)
         {
             NetworkDevice tDevice;
@@ -1374,7 +1385,7 @@ namespace EduNetworkBuilder
 
         public NetworkDevice GetDeviceFromName(string DeviceName)
         {
-            NetworkComponent nc = ItemFromName(DeviceName);
+            NetworkComponent nc = DeviceFromName(DeviceName);
             if (nc == null) return null;
             if (NB.GetComponentType(nc) == GeneralComponentType.device)
                 return (NetworkDevice)nc;
@@ -1621,6 +1632,19 @@ namespace EduNetworkBuilder
             }
         }
 
+        public void DoAllClearDHCP()
+        {
+            NetworkDevice nd;
+            foreach (NetworkComponent nc in NetComponents)
+            {
+                if (NB.GetComponentType(nc) == GeneralComponentType.device)
+                {
+                    nd = (NetworkDevice)nc;
+                    nd.ClearDHCPInfo();
+                }
+            }
+        }
+
         public bool DoAllVerifyLinks()
         {
             NetworkLink nl;
@@ -1978,7 +2002,7 @@ namespace EduNetworkBuilder
             return false;
         }
 
-        int BreakNetworkPath(TraversalClass ThePath, HowToBreak How)
+        public int BreakNetworkPath(TraversalClass ThePath, HowToBreak How)
         {
             //find the device name it belongs to
             //try to break it.  If it fails, try a different device.
@@ -1992,7 +2016,7 @@ namespace EduNetworkBuilder
                 if(host != "")
                 {
                     //We have a host, see if we can break it.
-                    NetworkComponent NC = ItemFromName(host);
+                    NetworkComponent NC = ComponentFromName(host);
                     if(NC != null)
                     {
                         int answer = BreakNetComponent(NC, How);

EduNetworkBuilder/NetworkBuilder.cs

@@ -2145,10 +2145,13 @@ namespace EduNetworkBuilder
             LoadSolvedRandomMap();
         }
 
-        private void LoadSolvedRandomMap()
+        private void LoadSolvedRandomMap(int difficulty = 5)
         {
             //we will prompt for stuff.  For now, just use the firewalls network
             LoadSolvedResource( SolvedNetworkNames.firewalls.ToString());
+            myNetwork.StartingHelpLevel = NetTestVerbosity.full;
+            myNetwork.HintsToDisplay = NetTestVerbosity.full;
+
             myNetwork.NonVisualDoDHCPOnAll();
             List<TraversalClass> TraversalCollection = new List<TraversalClass>();
 
@@ -2167,15 +2170,39 @@ namespace EduNetworkBuilder
 
             TraversalCollection.Sort((a, b) => b.Count.CompareTo(a.Count));
 
-            for(int i=0; i< TraversalCollection.Count; i++)
+            List<HowToBreak> BreakList = new List<HowToBreak>() { HowToBreak.PowerOff, HowToBreak.EthernetBreak };
+            //foreach (HowToBreak one in Enum.GetValues(typeof(HowToBreak)))
+            //    BreakList.Add(one);
+            count = 0;
+            int HowHard = 0;
+            int TraversalIndex = 0;
+            while (HowHard < difficulty && count < 10)
             {
-                Console.WriteLine(i + " " + TraversalCollection[i].Source());
+                //loop through the traversalinfos
-                Console.WriteLine(i + " " + TraversalCollection[i].Destination());
+                //randomly choose a way to break it
-            }
+                BreakList = NB.Randomize<HowToBreak>(BreakList);
-            if(TraversalCollection.Count>0)
+                HowHard += myNetwork.BreakNetworkPath(TraversalCollection[TraversalIndex],BreakList[0]);
-            {
+                count++;
-                TraversalCollection[0].DumpPath();
+                TraversalIndex++;
+                if (TraversalIndex >= TraversalCollection.Count)
+                    TraversalIndex = 0; //loop back to the beginning
             }
+
+            //for(int i=0; i< TraversalCollection.Count; i++)
+            //{
+            //    Console.WriteLine(i + " " + TraversalCollection[i].Source());
+            //    Console.WriteLine(i + " " + TraversalCollection[i].Destination());
+            //}
+            //if(TraversalCollection.Count>0)
+            //{
+            //    TraversalCollection[0].DumpPath();
+            //}
+
+            myNetwork.ClearMessages();
+            myNetwork.DoAllClearDHCP();
+
+            UpdateForm();
+            UpdateMessages();
         }
         #endregion Random Map Stuff
     }

EduNetworkBuilder/NetworkDevice.cs

@@ -1293,6 +1293,26 @@ namespace EduNetworkBuilder
             }
         }
 
+        public void ClearDHCPInfo()
+        {
+            bool tryit = false;
+            if (CanUseDHCP)
+            {
+                foreach (NetworkCard tnic in NICs)
+                {
+                    if (tnic.UsesDHCP)
+                        tryit = true;
+                }
+            }
+            if (tryit)
+            {
+                foreach (NetworkCard nic in NICs)
+                {
+                    nic.SetIPForDHCP(); //clear the source IP
+                }
+            }
+        }
+
         public void PingFromHere(IPAddress Destination)
         {
             //We need to create a packet

EduNetworkBuilder/TraversalClass.cs

@@ -81,10 +81,22 @@ namespace EduNetworkBuilder
         {             
             //make a randomized copy of the list, and return the first item that has the technology
             List<TraversalRecord> tPathTaken= NB.Randomize<TraversalRecord>(PathTaken);
-            foreach(TraversalRecord one in tPathTaken)
+            if (What != TraversalTechnology.any)
+            {
+                foreach (TraversalRecord one in tPathTaken)
                 {
                     if (one.WhatUsed == What) return one.host;
                 }
+            } else
+            {
+                Network theNet = NB.GetNetwork();
+                foreach (TraversalRecord one in tPathTaken)
+                {
+                    NetworkDevice ND = theNet.GetDeviceFromName(one.host);
+                    if(ND != null && (ND.ForwardsPackets() || ND.RoutesPackets()) )  //get the first hub/switch/router/firewall
+                        return one.host;
+                }
+            }
             return "";
         }
     }