public L3L4ConversationKey(IPPacket sourceIpPacket)
{
if (sourceIpPacket == null)
{
throw new ArgumentNullException();
}
this._l3Key = new L3ConversationKeyStruct(sourceIpPacket);
var payloadPacket = sourceIpPacket.PayloadPacket;
switch (payloadPacket)
{
case TcpPacket tcpPacket:
this._l4Key = new L4ConversationKeyStruct(tcpPacket.SourcePort, tcpPacket.DestinationPort, IPProtocolType.TCP);
break;
case UdpPacket udpPacket:
this._l4Key = new L4ConversationKeyStruct(udpPacket.SourcePort, udpPacket.DestinationPort, IPProtocolType.UDP);
break;
default:
throw new ArgumentException($"Unknown transport protocol payload: {payloadPacket}");
}
}
public L3L4ConversationKey(IPAddress sourceIpAddress,
IPAddress destinationIpAddress,
UInt16 sourcePort,
UInt16 destinationPort,
IPProtocolType ipProtocolType)
{
this._l3Key = new L3ConversationKeyStruct(sourceIpAddress, destinationIpAddress);
this._l4Key = new L4ConversationKeyStruct(sourcePort, destinationPort, ipProtocolType);
}
public L3L4ConversationKey(Frame frame)
{
if (frame == null)
{
throw new ArgumentNullException();
}
this._l3Key = new L3ConversationKeyStruct(frame);
this._l4Key = new L4ConversationKeyStruct(frame);
}
public Boolean Equals(L4ConversationKeyStruct other) => this.Key == other.Key && this.Protocol == other.Protocol;