EduNetworkBuilder/EduNetworkBuilder/TraversalClass.cs
2017-08-28 15:17:28 -05:00

123 lines
4.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace EduNetworkBuilder
{
public class TraversalClass
{
protected struct TraversalRecord
{
public string host;
public TraversalTechnology WhatUsed;
public string AdditionalData;
public TraversalRecord(string Host, TraversalTechnology what, string Data)
{
host = Host;
WhatUsed = what;
AdditionalData = Data;
}
}
List<TraversalRecord> PathTaken = new List<TraversalRecord>();
public int Count { get { return PathTaken.Count; } }
public TraversalClass(){ }
public TraversalClass(TraversalClass CloneFrom)
{
Clone(CloneFrom, this);
}
public TraversalClass Clone()
{
TraversalClass newClass = new TraversalClass(this);
return newClass;
}
public static void Clone(TraversalClass source, TraversalClass dest)
{
dest.PathTaken.AddRange(source.PathTaken);
}
public void AddPath(string Host, TraversalTechnology WithWhat, string Data)
{
PathTaken.Add(new TraversalRecord(Host, WithWhat, Data));
}
public void AddPath(TraversalClass OtherTraversal)
{
PathTaken.AddRange(OtherTraversal.PathTaken);
}
/// <summary>
/// This is just a debug function to print off the whole path as we find it.
/// </summary>
public void DumpPath()
{
foreach(TraversalRecord one in PathTaken)
{
Console.WriteLine(string.Format("{0:12} : {1:-12} {2:10}",one.host, one.WhatUsed.ToString(),one.AdditionalData));
}
Console.WriteLine(""); //blank line.
}
public string Destination()
{
//When we do a ping, only the return trip is registered. source/dest are reversed
if (PathTaken.Count >= 1) return PathTaken[0].host;
return "";
}
public string Source()
{
//When we do a ping, only the return trip is registered. source/dest are reversed
if (PathTaken.Count >= 1) return PathTaken[PathTaken.Count -1].host;
return "";
}
public string HostnameFromTechnology(TraversalTechnology What)
{
//make a randomized copy of the list, and return the first item that has the technology
List<TraversalRecord> tPathTaken= NB.Randomize<TraversalRecord>(PathTaken);
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 "";
}
public string DataFromTechnologyAndHost(TraversalTechnology What, string hostname)
{
//make a randomized copy of the list, and return the first item that has the technology
List<TraversalRecord> tPathTaken = NB.Randomize<TraversalRecord>(PathTaken);
if (What != TraversalTechnology.any)
{
foreach (TraversalRecord one in tPathTaken)
{
if (one.WhatUsed == What && hostname == one.host) return one.AdditionalData;
}
}
else
{
//We do not have any AdditionalData for a type of "any"
return "";
}
return "";
}
}
}