static void localAreaNetworkNIC_OnPacketArrival(object sender, CaptureEventArgs e)
{
//DateTime time = e.Packet.Timeval.Date;
//int len = e.Packet.Data.Length;
//string content = ByteArrayToString(e.Packet.Data);
//Console.WriteLine("{0}:{1}:{2},{3} Len={4}: {5}",
// time.Hour, time.Minute, time.Second, time.Millisecond, len, content);
var packet = Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);
if (e.Packet.LinkLayerType == LinkLayers.Ethernet)
{
EthernetPacket ethernetPacket = (EthernetPacket)packet;
PhysicalAddress destMacAddress = ethernetPacket.DestinationHwAddress;
PhysicalAddress srcMacAddress = ethernetPacket.SourceHwAddress;
//Console.WriteLine("Mac: {0} -> {1}", srcMacAddress, destMacAddress);
}
IpPacket ipPacket = IpPacket.GetEncapsulated(packet);
if (ipPacket != null)
{
IPAddress srcIpAddress = ipPacket.SourceAddress;
IPAddress destIpAddress = ipPacket.DestinationAddress;
//Console.WriteLine("IP: {0} -> {1}", srcIpAddress, destIpAddress);
TcpPacket tcpPacket = TcpPacket.GetEncapsulated(packet);
if (tcpPacket != null)
{
int srcPort = tcpPacket.SourcePort;
int destPort = tcpPacket.DestinationPort;
//Console.WriteLine("TCP Port: {0} -> {1}", srcPort, destPort);
byte[] tcpBody = RipHeader(tcpPacket.Bytes, tcpPacket.Header);
string packetString = ByteArrayToString(tcpBody);
if (packetString.Contains("HTTP"))
{
Console.WriteLine("IP: {0} -> {1}", srcIpAddress, destIpAddress);
Console.WriteLine("TCP Port: {0} -> {1}", srcPort, destPort);
Console.WriteLine(ByteArrayToString(tcpBody));
}
}
//UdpPacket udpPacket = UdpPacket.GetEncapsulated(packet);
//if (udpPacket != null)
//{
// int srcPort = udpPacket.SourcePort;
// int destPort = udpPacket.DestinationPort;
// Console.WriteLine("UDP Port: {0} -> {1}", srcPort, destPort);
//}
}
//string packetString = PacketString(packet);
//Console.WriteLine(packetString);
//Console.WriteLine();
}
private void packetArrival(object sender, CaptureEventArgs e)
{
Packet p = Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);
IpPacket ip = IpPacket.GetEncapsulated(p);
TcpPacket tp = TcpPacket.GetEncapsulated(p);
UdpPacket up = UdpPacket.GetEncapsulated(p);
if (ip != null)
{
if (tp != null)
{
listView.Items.Add(new ListViewItem(new String[] { e.Packet.Timeval.Date.Year + "/" + e.Packet.Timeval.Date.Month + "/" + e.Packet.Timeval.Date.Day + " " + (e.Packet.Timeval.Date.Hour + 8) + ":" + e.Packet.Timeval.Date.Minute + ":" + e.Packet.Timeval.Date.Second + ":" + e.Packet.Timeval.Date.Millisecond, "TCP", ip.SourceAddress.ToString() + ":" + tp.SourcePort.ToString(), ip.DestinationAddress.ToString() + ":" + tp.DestinationPort.ToString(), e.Packet.Data.Length.ToString() }));
datas.Add(BitConverter.ToString(e.Packet.Data));
}
else if (up != null)
{
listView.Items.Add(new ListViewItem(new String[] { e.Packet.Timeval.Date.Year + "/" + e.Packet.Timeval.Date.Month + "/" + e.Packet.Timeval.Date.Day + " " + (e.Packet.Timeval.Date.Hour + 8) + ":" + e.Packet.Timeval.Date.Minute + ":" + e.Packet.Timeval.Date.Second + ":" + e.Packet.Timeval.Date.Millisecond, "UDP", ip.SourceAddress.ToString() + ":" + up.SourcePort.ToString(), ip.DestinationAddress.ToString() + ":" + up.DestinationPort.ToString(), e.Packet.Data.Length.ToString() }));
datas.Add(BitConverter.ToString(e.Packet.Data));
}
}
totalPacketLength += e.Packet.Data.Length;
totalPacketNum++;
statusLabel.Text = "共收到" + totalPacketNum + "个数据包，总长度" + totalPacketLength;
}
