/// <summary>
/// 双击协议名称单元格时新建窗口并显示数据包详细信息
/// </summary>
/// <param name="index"></param>
public static void ShowDetail(int index)
{
RawCapture rawCapture = null;
try
{
rawCapture = queue[index];
}
catch (Exception)
{
MessageBox.Show("Error while displying details");
return;
}
Packet packet = Packet.ParsePacket(rawCapture.LinkLayerType, rawCapture.Data);
PacketDetials pd = new PacketDetials(packet);
CellDetails cellDetails = new CellDetails();
cellDetails.rawCapture = rawCapture;
if (pd.ethernetPacket != null)
{
cellDetails.richTextBox.Text = pd.ethernetPacket.ToString(StringOutputType.VerboseColored) + Environment.NewLine + pd.ethernetPacket.PrintHex();
}
cellDetails.Show();
}
/// <summary>
/// 收到数据包之后判断包类型
/// 一方面放在缓存队列里，另一方面显示在主界面
/// 异步方式防止滚动条失效
/// </summary>
/// <param name="rawcapture"></param>
public void PushPacket(RawCapture rawcapture)
{
Packet packet = Packet.ParsePacket(rawcapture.LinkLayerType, rawcapture.Data);
object[] para = new object[6];
if (Common.queue.Count > Common.queueSize)
{
lock (Common.queue)
{
Common.queue.RemoveRange(0, 100);
if (this.InvokeRequired)
{
lock (this)
{
this.BeginInvoke(new MethodInvoker(() =>
{
for (int i = 0; i < 100; i++)
{
dataGridView.Rows.RemoveAt(0);
}
}));
}
}
}
//dataGridView.Rows.RemoveAt(0);
}
lock (Common.queue)
{
Common.queue.Add(rawcapture);
Interlocked.Increment(ref Common.cnt);
}
PacketDetials pd = new PacketDetials(packet);
//DataGridViewRow dr = new DataGridViewRow();
if (pd.typeName == null)
{
return;
}
para[0] = Common.cnt;
para[1] = pd.typeName;
if (pd.typeName == "TCP" || pd.typeName == "UDP")
{
para[2] = pd.ipPacket.SourceAddress;
para[3] = pd.ipPacket.DestinationAddress;
para[4] = pd.ethernetPacket.SourceHwAddress;
para[5] = pd.ethernetPacket.DestinationHwAddress;
}
else if (pd.typeName == "ARP")
{
para[2] = pd.arpPacket.SenderProtocolAddress;
para[3] = pd.arpPacket.TargetProtocolAddress;
para[4] = pd.arpPacket.SenderHardwareAddress;
para[5] = pd.arpPacket.TargetHardwareAddress;
}
else if (pd.typeName == "ICMPv4")
{
//para[2] = para[3] = para[4] = para[5] = null;
para[2] = pd.icmpv4Packet.BytesHighPerformance;
para[3] = pd.icmpv4Packet.PrintHex();
para[3] = pd.icmpv4Packet.ToString(StringOutputType.Normal);
}
else if (pd.typeName == "IGMPv2")
{
para[2] = pd.igmpv2Packet.BytesHighPerformance;
para[3] = pd.igmpv2Packet.PrintHex();
para[4] = pd.igmpv2Packet.ToString(StringOutputType.Normal);
}
if (this.InvokeRequired)
{
lock (this)
{
this.BeginInvoke(new MethodInvoker(() =>
{
dataGridView.Rows.Add(para);
}), null, null);
}
}
else
{
dataGridView.Rows.Add(para);
}
}