实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.Text;
namespace netpcap
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
ArrayList devlist=null;
private System.Windows.Forms.Label labAdapters;
private System.Windows.Forms.Label labDumpFile;
private System.Windows.Forms.Button butStart;
private System.Windows.Forms.Button butStartDump;
private System.Windows.Forms.Button butStop;
private System.Windows.Forms.ComboBox cbAdapters;
private System.Windows.Forms.Button butBrowse;
private System.Windows.Forms.TextBox txtDumpFile;
private System.Windows.Forms.SaveFileDialog sfd;
private System.Windows.Forms.Label labPacketCnt;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label labDump;
private System.Windows.Forms.Button button1;
long pack_count=0;
private System.Windows.Forms.Button butSend;
private System.Windows.Forms.RichTextBox rtb;
private dotnetWinpCap.ReceivePacket rcvPack=null;
[DllImport("advapi32.dll")]
public static extern bool GetUserName( StringBuilder name, ref int size);
dotnetWinpCap wpcap=null;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.butStart = new System.Windows.Forms.Button();
this.butStartDump = new System.Windows.Forms.Button();
this.cbAdapters = new System.Windows.Forms.ComboBox();
this.butStop = new System.Windows.Forms.Button();
this.labAdapters = new System.Windows.Forms.Label();
this.txtDumpFile = new System.Windows.Forms.TextBox();
this.labDumpFile = new System.Windows.Forms.Label();
this.butBrowse = new System.Windows.Forms.Button();
this.sfd = new System.Windows.Forms.SaveFileDialog();
this.labPacketCnt = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.labDump = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.butSend = new System.Windows.Forms.Button();
this.rtb = new System.Windows.Forms.RichTextBox();
this.SuspendLayout();
//
// butStart
//
this.butStart.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.butStart.Location = new System.Drawing.Point(-17, 103);
this.butStart.Name = "butStart";
this.butStart.Size = new System.Drawing.Size(125, 26);
this.butStart.TabIndex = 0;
this.butStart.Text = "&Start capture";
this.butStart.Click = new System.EventHandler(this.button1_Click);
//
// butStartDump
//
this.butStartDump.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.butStartDump.Location = new System.Drawing.Point(396, 103);
this.butStartDump.Name = "butStartDump";
this.butStartDump.Size = new System.Drawing.Size(106, 26);
this.butStartDump.TabIndex = 1;
this.butStartDump.Text = "Start &dump";
this.butStartDump.Click = new System.EventHandler(this.butStartDump_Click);
//
// cbAdapters
//
this.cbAdapters.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.cbAdapters.Location = new System.Drawing.Point(125, 17);
this.cbAdapters.Name = "cbAdapters";
this.cbAdapters.Size = new System.Drawing.Size(446, 20);
this.cbAdapters.TabIndex = 2;
//
// butStop
//
this.butStop.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.butStop.Location = new System.Drawing.Point(127, 103);
this.butStop.Name = "butStop";
this.butStop.Size = new System.Drawing.Size(125, 26);
this.butStop.TabIndex = 3;
this.butStop.Text = "S&top capture";
this.butStop.Click = new System.EventHandler(this.butStop_Click);
//
// labAdapters
//
this.labAdapters.Location = new System.Drawing.Point(19, 17);
this.labAdapters.Name = "labAdapters";
this.labAdapters.Size = new System.Drawing.Size(67, 17);
this.labAdapters.TabIndex = 4;
this.labAdapters.Text = "&Adapters";
//
// txtDumpFile
//
this.txtDumpFile.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.txtDumpFile.Location = new System.Drawing.Point(125, 52);
this.txtDumpFile.Name = "txtDumpFile";
this.txtDumpFile.Size = new System.Drawing.Size(350, 21);
this.txtDumpFile.TabIndex = 5;
//
// labDumpFile
//
this.labDumpFile.Location = new System.Drawing.Point(19, 52);
this.labDumpFile.Name = "labDumpFile";
this.labDumpFile.Size = new System.Drawing.Size(67, 17);
this.labDumpFile.TabIndex = 7;
this.labDumpFile.Text = "&Dump file";
//
// butBrowse
//
this.butBrowse.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.butBrowse.Location = new System.Drawing.Point(499, 52);
this.butBrowse.Name = "butBrowse";
this.butBrowse.Size = new System.Drawing.Size(77, 26);
this.butBrowse.TabIndex = 6;
this.butBrowse.Text = "&Browse";
this.butBrowse.Click = new System.EventHandler(this.butBrowse_Click);
//
// sfd
//
this.sfd.FileName = "doc1";
//
// labPacketCnt
//
this.labPacketCnt.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.labPacketCnt.Location = new System.Drawing.Point(115, 366);
this.labPacketCnt.Name = "labPacketCnt";
this.labPacketCnt.Size = new System.Drawing.Size(125, 18);
this.labPacketCnt.TabIndex = 9;
//
// label1
//
this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.label1.Location = new System.Drawing.Point(10, 366);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(86, 18);
this.label1.TabIndex = 10;
this.label1.Text = "Packet count";
//
// labDump
//
this.labDump.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.labDump.Location = new System.Drawing.Point(379, 366);
this.labDump.Name = "labDump";
this.labDump.Size = new System.Drawing.Size(211, 18);
this.labDump.TabIndex = 11;
//
// button1
//
this.button1.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.button1.Location = new System.Drawing.Point(521, 103);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(105, 26);
this.button1.TabIndex = 12;
this.button1.Text = "St&op dump";
this.button1.Click = new System.EventHandler(this.button1_Click_1);
//
// butSend
//
this.butSend.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.butSend.Location = new System.Drawing.Point(271, 103);
this.butSend.Name = "butSend";
this.butSend.Size = new System.Drawing.Size(106, 26);
this.butSend.TabIndex = 13;
this.butSend.Text = "Sen&d stuff";
this.butSend.Click = new System.EventHandler(this.butSend_Click);
//
// rtb
//
this.rtb.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.rtb.Location = new System.Drawing.Point(10, 146);
this.rtb.Name = "rtb";
this.rtb.ReadOnly = true;
this.rtb.Size = new System.Drawing.Size(580, 203);
this.rtb.TabIndex = 14;
this.rtb.Text = "";
this.rtb.WordWrap = false;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(600, 391);
this.Controls.Add(this.rtb);
this.Controls.Add(this.butSend);
this.Controls.Add(this.button1);
this.Controls.Add(this.labDump);
this.Controls.Add(this.label1);
this.Controls.Add(this.labPacketCnt);
this.Controls.Add(this.labDumpFile);
this.Controls.Add(this.butBrowse);
this.Controls.Add(this.txtDumpFile);
this.Controls.Add(this.labAdapters);
this.Controls.Add(this.butStop);
this.Controls.Add(this.cbAdapters);
this.Controls.Add(this.butStartDump);
this.Controls.Add(this.butStart);
this.Name = "Form1";
this.Text = "Form1";
this.Closing = new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.Load = new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{
if (wpcap==null)
{
wpcap=new dotnetWinpCap();
}
if (wpcap.IsOpen)
{
wpcap.Close();
}
if (!wpcap.Open( ((Device)devlist[cbAdapters.SelectedIndex]).Name,65536,1,0))
{
System.Diagnostics.Debug.WriteLine(wpcap.LastError);
rtb.AppendText(wpcap.LastError "\n");
}
else
{
System.Diagnostics.Debug.WriteLine("opened successfully: " ((Device)devlist[0]).Name);
rtb.AppendText("Opened successfully: " ((Device)devlist[cbAdapters.SelectedIndex]).Name "\n");
}
wpcap.SetMinToCopy(100);
if (rcvPack==null)
{
rcvPack=new dotnetWinpCap.ReceivePacket(this.ReceivePacket);
wpcap.OnReceivePacket =rcvPack;
}
wpcap.StartListen();
rtb.AppendText("Capturing. . .\n");
}
private void DumpEnded(object sender)
{
System.Diagnostics.Debug.WriteLine("livedump ended");
wpcap.Close();
}
private void ReceivePacket(object sender, PacketHeader p, byte[] s)
{
this.pack_count ;
rtb.Focus();
rtb.AppendText("Content of p : \n");
rtb.AppendText(" Caplength: " p.Caplength "\n");
rtb.AppendText(" Length : " p.Length "\n");
rtb.AppendText(" Timestamp: " (p.TimeStamp) "\n");
labPacketCnt.Text=Convert.ToString(this.pack_count);
}
private void Form1_Load(object sender, System.EventArgs e)
{
if (wpcap==null)
{
devlist=dotnetWinpCap.FindAllDevs();
for (int i=0; i<=devlist.Count-1; i )
{
cbAdapters.Items.Add( ((Device)devlist[i]).Name ":" ((Device)devlist[i]).Description);
}
}
if (cbAdapters.Items.Count>0)
{
cbAdapters.SelectedIndex=0;
}
}
private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (this.wpcap!=null)
{
wpcap.Close();
}
}
private void butBrowse_Click(object sender, System.EventArgs e)
{
sfd.FileName="";
if (sfd.ShowDialog(this)==DialogResult.OK)
{
txtDumpFile.Text=sfd.FileName;
}
}
private void butStartDump_Click(object sender, System.EventArgs e)
{
if (wpcap!=null)
{
if (wpcap.StartDump(txtDumpFile.Text)==true)
{
labDump.Text="Dumping to " txtDumpFile.Text;
}
}
}
private void butStop_Click(object sender, System.EventArgs e)
{
if (wpcap!=null)
{
wpcap.StopListen();
wpcap.Close();
}
}
private void button1_Click_1(object sender, System.EventArgs e)
{
if (wpcap!=null)
{
wpcap.StopDump();
labDump.Text="Dump stopped";
}
}
private void butSend_Click(object sender, System.EventArgs e)
{
if (wpcap==null)
{
wpcap=new dotnetWinpCap();
}
if (!wpcap.IsOpen)
{
if (!wpcap.Open(((Device)devlist[cbAdapters.SelectedIndex]).Name, 65536, 1,0))
{
MessageBox.Show(this, "Cannot open adapter " cbAdapters.Text);
return;
}
}
byte[] b=new byte [10];
for (int i=0; i<b.Length; i )
{
b[i]=(byte)i;
}
if (!wpcap.SendPacket(b))
{
rtb.AppendText("Send unsuccessful\n");
}
else
{
rtb.AppendText("Sent garbage: " b.ToString() "\n");
}
}
}
}
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