/// <summary>
/// 通过TwzyProtocol实现
/// </summary>
/// <param name="ppp"></param>
private void PPP(TwzyProtocol.PPPPacket ppp)
{
if (PPPNode == null)
{
PPPNode = CreatNode("PPP", 10);
}
PPPNode.Text = "PPP [0x" + ((ushort)ppp.Protocol).ToString("X4") + "]";
PPPNode.Nodes.Clear();
PPPNode.Nodes.Add("Protocol: " + ppp.Protocol.ToString() + " [0x" + ppp.Protocol.ToString("X") + "]");
Tree.Nodes.Add(PPPNode);
switch (ppp.Protocol)
{
case PPPProType.IPv4:
case PPPProType.IPv6:
IpPacket ip = IpPacket.GetEncapsulated(packet);
IP(ip);
break;
case PPPProType.LCP:
LCPPacket lcp = LCPPacket.GetEncapsulated(packet);
LCP(lcp);
break;
case PPPProType.CompressedDatagram:
ExtraData(ppp.PayloadData);
return;
case PPPProType.Padding: //填充
break;
}
}
private void PPPOE(PPPoEPacket pppoe)
{
if (PPPoENode == null)
{
PPPoENode = CreatNode("PPPoE", 11);
}
PPPoENode.Nodes.Clear();
PPPoENode.Nodes.Add(Convert.ToString(pppoe.Version, 2).PadLeft(4, '0') + " .... = Version: " + pppoe.Version.ToString());
PPPoENode.Nodes.Add(".... " + Convert.ToString(pppoe.Type, 2).PadLeft(4, '0') + " = Type: " + pppoe.Type.ToString());
PPPoENode.Nodes.Add("Code: 0x" + pppoe.Code.ToString("X") + " (" + pppoe.Code + ")");
PPPoENode.Nodes.Add("Session Id: " + pppoe.SessionId.ToString() + " [0x" + pppoe.SessionId.ToString("X4") + "]");
PPPoENode.Nodes.Add("Payload Length: " + pppoe.Length.ToString());
Tree.Nodes.Add(PPPoENode);
//查看数据
var ppp = PacketDotNet.PPPPacket.GetEncapsulated(packet);
if (ppp.Bytes.Length > 0)
{
var tmpPPP = new TwzyProtocol.PPPPacket(ppp.Bytes);
PPP(tmpPPP);
}
}
/// <summary>
/// GRE封装的下层协议
/// </summary>
/// <param name="data"></param>
/// <param name="e"></param>
private void NextGRE(byte[] data, EthernetProtocolType e)
{
if (data.Length <= 0)
{
return;
}
switch (e)
{
case EthernetProtocolType.PPP:
var ppp = new TwzyProtocol.PPPPacket(data);
if (ppp != null)
{
PPP(ppp);
}
break;
case EthernetProtocolType.Arp: //ARP协议
ARPPacket arp = ARPPacket.GetEncapsulated(packet);
Arp(arp);
break;
case EthernetProtocolType.IpV4: //IP协议
case EthernetProtocolType.IpV6:
IpPacket ip = IpPacket.GetEncapsulated(packet);
IP(ip);
break;
case EthernetProtocolType.WakeOnLan: //网络唤醒协议
WakeOnLanPacket wake = WakeOnLanPacket.GetEncapsulated(packet);
Wake_on_Lan(wake);
break;
case EthernetProtocolType.LLDP: //链路层发现协议
LLDPPacket ll = LLDPPacket.GetEncapsulated(packet);
LLDPProtocol(ll);
break;
case EthernetProtocolType.PointToPointProtocolOverEthernetDiscoveryStage:
case EthernetProtocolType.PPPoE:
PPPoEPacket pppoe = PPPoEPacket.GetEncapsulated(packet);
PPPOE(pppoe);
break;
case EthernetProtocolType.None: //无可用协议
break;
}
}