public void RemoveFlow(FsUnidirectionalFlow flow)
{
switch (flow.FlowDirection)
{
case DaRFlowDirection.up:
this._upFlows.Remove(flow);
break;
case DaRFlowDirection.down:
this._downFlows.Remove(flow);
break;
default:
throw new ArgumentOutOfRangeException(nameof(flow));
}
}
public FsUnidirectionalFlow CreateAndAddFlow(DaRFlowDirection flowDirection)
{
lock (this)
{
var flow = new FsUnidirectionalFlow(this.L4Conversation, flowDirection);
switch (flowDirection)
{
case DaRFlowDirection.up:
this._upFlows.AddLast(flow);
break;
case DaRFlowDirection.down:
this._downFlows.AddLast(flow);
break;
default:
throw new ArgumentOutOfRangeException(nameof(flowDirection));
}
return(flow);
}
}
public override IEnumerable <L7Conversation> RecognizeAndUpdateConversation(L7Conversation conversation)
{
var rtpMap = new Dictionary <UInt32, List <L7PDU> >();
var rtcpMap = new Dictionary <UInt32, List <L7PDU> >();
var unknownPdus = new List <L7PDU>();
var newL7Conversations = new List <L7Conversation>(new [] { conversation });
unknownPdus.Clear();
rtcpMap.Clear();
rtpMap.Clear(); //to be sure
this.RecognizeRtpStreams(conversation.UpFlowPDUs, rtpMap, rtcpMap, unknownPdus);
foreach (var rtpStream in rtpMap)
{
// add only long enought streams
if (rtpStream.Value.Count() >= this._minPackets)
{
var upFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.up);
upFlow.SubstituteL7PDU(rtpStream.Value);
var l7Conv = this.L7ConversationFactory.Create(upFlow, DaRFlowDirection.up);
l7Conv.ApplicationProtocols = this.NbarRtcpTaxonomy;
newL7Conversations.Add(l7Conv);
}
else
{
unknownPdus.AddRange(rtpStream.Value);
}
}
// RTCP
foreach (var rtcpStream in rtcpMap)
{
var upFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.up);
upFlow.SubstituteL7PDU(rtcpStream.Value);
var l7Conv = this.L7ConversationFactory.Create(upFlow, DaRFlowDirection.down);
l7Conv.ApplicationProtocols = this.NbarRtcpTaxonomy;
newL7Conversations.Add(l7Conv);
}
var unknownUpFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.down);
unknownUpFlow.SubstituteL7PDU(unknownPdus);
//conversationStore.CreateAndAddConversation(upFlow: unknownUpFlow, downFlow: null);
// TODO: ZAKOMENTOVANE HADZE VYNIMKU
unknownPdus.Clear();
rtpMap.Clear();
rtcpMap.Clear();
this.RecognizeRtpStreams(conversation.DownFlowPDUs, rtpMap, rtcpMap, unknownPdus);
foreach (var rtpStream in rtpMap)
{
// check long enought streams
if (rtpStream.Value.Count() >= this._minPackets)
{
var downFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.down);
downFlow.SubstituteL7PDU(rtpStream.Value);
var l7Conv = this.L7ConversationFactory.Create(downFlow, DaRFlowDirection.down);
l7Conv.ApplicationProtocols = this.NbarRtcpTaxonomy;
newL7Conversations.Add(l7Conv);
}
else
{
unknownPdus.AddRange(rtpStream.Value);
}
}
// RTCP
foreach (var rtcpStream in rtcpMap)
{
var downFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.down);
downFlow.SubstituteL7PDU(rtcpStream.Value);
var l7Conv = this.L7ConversationFactory.Create(downFlow, DaRFlowDirection.down);
l7Conv.ApplicationProtocols = this.NbarRtcpTaxonomy;
newL7Conversations.Add(l7Conv);
}
var unknownDownFlow = new FsUnidirectionalFlow(conversation.L4Conversation, DaRFlowDirection.down);
unknownDownFlow.SubstituteL7PDU(unknownPdus);
//conversationStore.CreateAndAddConversation(upFlow: null, downFlow: unknownDownFlow);
// TODO: ZAKOMENTOVANE HADZE VYNIMKU
rtpMap.Clear();
rtcpMap.Clear();
return(newL7Conversations);
}
