private string[] MakeIP(IPHeader ipHeader, string ProType)
{
string[] IpNode = new string[] { "IP", "Ver: " + ipHeader.Version,
"Header Length: " + ipHeader.HeaderLength,
"Differntiated Services: " + ipHeader.DifferentiatedServices,
"Total Length: " + ipHeader.TotalLength,
"Identification: " + ipHeader.Identification,
"Flags: " + ipHeader.Flags,
"Fragmentation Offset: " + ipHeader.FragmentationOffset,
"Time to live: " + ipHeader.TTL, "Protocol: " + ProType,
"Checksum: " + ipHeader.Checksum,
"Source: " + ipHeader.SourceAddress.ToString(),
"Destination: " + ipHeader.DestinationAddress.ToString() };
return(IpNode);
}
private void ParseData(byte[] byteData, int nReceived)
{
if (PacketNum == Convert.ToInt32(this.tscbNum.Text))
{
PacketNum = 1;
this.lvReceivedPackets.Items.Clear();
}
IPHeader ipHeader = new IPHeader(byteData, nReceived);
string[] lvStrArr = new string[] { PacketNum.ToString(), DateTime.Now.ToString(),
ipHeader.SourceAddress.ToString(), ipHeader.DestinationAddress.ToString(),
ipHeader.ProtocolType.ToString(), ipHeader.TotalLength };
string[] IpStrArr = MakeIP(ipHeader, ipHeader.ProtocolType.ToString());
string[] MergeIPArr = new string[lvStrArr.Length + IpStrArr.Length];
Array.Copy(lvStrArr, 0, MergeIPArr, 0, lvStrArr.Length);
Array.Copy(IpStrArr, 0, MergeIPArr, lvStrArr.Length, IpStrArr.Length);
string[] MergeTCP = null;
string[] MergeUDP = null;
string[] MergeAll = null;
switch (ipHeader.ProtocolType) // fixed
{
case Protocol.TCP:
TCPHeader tcpHeader = new TCPHeader(ipHeader.Data,
ipHeader.MessageLength);
MergeTCP = MakeTCP(tcpHeader);
MergeAll = new string[MergeIPArr.Length + MergeTCP.Length];
Array.Copy(MergeIPArr, 0, MergeAll, 0, MergeIPArr.Length);
Array.Copy(MergeTCP, 0, MergeAll, MergeIPArr.Length, MergeTCP.Length);
break;
case Protocol.UDP:
UDPHeader udpHeader = new UDPHeader(ipHeader.Data,
(int)ipHeader.MessageLength);
MergeUDP = MakeUDP(udpHeader);
MergeAll = new string[MergeIPArr.Length + MergeUDP.Length];
Array.Copy(MergeIPArr, 0, MergeAll, 0, MergeIPArr.Length);
Array.Copy(MergeUDP, 0, MergeAll, MergeIPArr.Length, MergeUDP.Length);
break;
case Protocol.ICMP:
MergeAll = MergeIPArr;
break;
case Protocol.IGMP:
MergeAll = MergeIPArr;
break;
case Protocol.IGRP:
MergeAll = MergeIPArr;
break;
case Protocol.AH:
MergeAll = MergeIPArr;
break;
case Protocol.EIGRP:
MergeAll = MergeIPArr;
break;
case Protocol.ESP:
MergeAll = MergeIPArr;
break;
case Protocol.GRE:
MergeAll = MergeIPArr;
break;
case Protocol.L2TP:
MergeAll = MergeIPArr;
break;
case Protocol.OSPF:
MergeAll = MergeIPArr;
break;
case Protocol.SKIP:
MergeAll = MergeIPArr;
break;
case Protocol.Unknown:
MergeAll = MergeIPArr;
break;
}
var lvt = new ListViewItem(MergeAll);
this.lvReceivedPackets.Items.Add(lvt);
PacketNum++;
}
