/// <summary>
/// Returns a list of flows
/// </summary>
/// <param name="packets"></param>
/// <returns></returns>
/* public static List<Flow2> GenerateFlows(IEnumerable<Packet> packets)
* {
* SortedList<ConnectionPair, Flow2> flows = new SortedList<ConnectionPair, Flow2>();
*
* int id = 0;
*
* foreach (Packet pkt in packets)
* {
* ConnectionPair conn = new ConnectionPair(pkt);
* ConnectionPair revConn = conn.BackwardDirection; // the reverse direction of the flow
*
* if (!flows.ContainsKey(conn))
* {
* if (!flows.ContainsKey(revConn))
* flows.Add(conn, new Flow2(id++, conn));
* else
* conn = revConn;
* }
*
* flows[conn].AddPacket(pkt);
* }
*
* return flows.Values.ToList();
* }
*/
/// <summary>
/// Returns a list of conversations
/// was created by hossein
/// </summary>
/// <param name="packets"></param>
/// <returns></returns>
public static List <Conversationflow2> GenerateConversations(IEnumerable <Flow2> flows)
{
SortedList <ConversationPair, Conversationflow2> conversationflows = new SortedList <ConversationPair, Conversationflow2>();
int id = 0;
foreach (Flow2 flw in flows)
{
ConversationPair conn = new ConversationPair(flw);
ConversationPair revConn = conn.BackwardDirection; // the reverse direction of the flow
if (!conversationflows.ContainsKey(conn))
{
if (!conversationflows.ContainsKey(revConn))
{
conversationflows.Add(conn, new Conversationflow2(id++, conn));
}
else
{
conn = revConn;
}
}
conversationflows[conn].AddFlow(flw);
}
return(conversationflows.Values.ToList());
}
/// <summary>
///
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public int CompareTo(object obj)
{
if (obj is ConversationPair)
{
ConversationPair cp = (ConversationPair)obj;
if (this.Equals(cp))
{
return(0);
}
else
{
if (cp.Protocol == this.Protocol)
{
if (Protocol != Packet.Protocol.UDP)
{
return(1);
}
}
else
{
return(this.Protocol == Packet.Protocol.TCP ? 1 : -1);
}
}
}
return(-1);
}
public Conversationflow2(int id, ConversationPair connection)
{
this._id = id;
this._flows = new List <Flow2>();
this._conn = connection;
this.ProcessName = default(string);
}
public Conversationflow2(int id, ConversationPair connection, IEnumerable <Flow2> flwList)
{
this._id = id;
this._conn = connection;
this._flows = new List <Flow2>();
this._flows.AddRange(flwList);
this.ProcessName = default(string);
}
public override bool Equals(object obj)
{
if (!(obj is ConversationPair))
{
return(false);
}
ConversationPair cpObj = (ConversationPair)obj;
if (cpObj.SrcIP.AddressFamily.Equals(this.SrcIP.AddressFamily))
{
if (cpObj.SrcIP.Equals(this.SrcIP) &&
cpObj.DestIP.Equals(this.DestIP) &&
(cpObj.Protocol == this.Protocol))
{
return(true);
}
}
return(false);
}
public void Dispose()
{
this._conn = null;
// this._pktList.Clear();
// this._pktList = null;
}
