首页 / 操作系统 / Linux / C#开发:局域网IP地址扫描小工具
该C#开发工具实现功能:1、可以扫描制定C网段的地址扫描,使用ping方式进行探测2、统计对ICMP有响应的和无响应的主机数量
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Net;using System.Net.Sockets;using System.Threading;using System.Net.NetworkInformation;using System.IO;namespace PingIP{ public partial class Form1 : Form { public Form1() { InitializeComponent(); //关闭跨线程检查,正式开放环境中不允许这么做,只能通过回调机制来实现。 TextBox.CheckForIllegalCrossThreadCalls = false; } #region //开始按钮操作 //定义个线程,用于执行具体的操作。 Thread thread = null; private void BtnStart_Click(object sender, EventArgs e) { //清空输出窗口内容 lbOutPut.Items.Clear(); //定义“未活动或不可达IP个数:”变量 txtip6.Text = null; //定义“活动的IP个数:”变量 txtip7.Text = null; //点击开始按钮后,禁用该按钮,防止用户重复点击 BtnStart.Enabled = false; //实例化线程 thread = new Thread(Scanip); //设置为后台线程 thread.IsBackground = true; //启动线程 thread.Start(); } #endregion //定义ping的方法 void Scanip() { //定义IP地址输入框 int ip1 = Convert.ToInt32(txt1.Text); int ip2 = Convert.ToInt32(txt2.Text); int ip3 = Convert.ToInt32(txt3.Text); int ip4 = Convert.ToInt32(txt4.Text); int ip5 = Convert.ToInt32(txt5.Text); int ip6 = 0; int ip7 = 0; //实例化一个ping实例 Ping ping = new Ping(); //定义ping的选项,其中包含ttl值和是否分段 PingOptions poption = new PingOptions(128, true); //定义接收数组 byte[] data = new byte[32]; //定义变量 int recived = 0; //实例化一个响应时间变量 List<long> responseTimes = new List<long>(); //循环执行IP地址段的每个ip的ping操作 for (int j = ip4; j <= ip5; j++) { //实例化IP地址 IPAddress address = IPAddress.Parse(ip1 + "." + ip2 + "." + ip3 + "." + ip4); //最后一个IP地址段自增 ip4++; //每个ip执行一次ping操作 for (int i = 0; i < 1; i++) { //防止中断ping操作。 try { //实例化一个reply PingReply reply = ping.Send(address, 1000, data, poption); string str = null; if (reply != null) { //对reply状态进行分类 switch (reply.Status) { case IPStatus.Success: str = string.Format("Reply From{0}" + "Bytes={1} time={2} TTL={3}", reply.Address, reply.Buffer.Length, reply.RoundtripTime, reply.Options.Ttl); lbOutPut.Items.Add(str); lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1]; this.Update(); recived++; responseTimes.Add(reply.RoundtripTime); ip7++; txtip7.Text = ip7.ToString(); break; case IPStatus.TimedOut: str = address.ToString() + ":Request time Out"; lbOutPut.Items.Add(str); lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1]; this.Update(); ip6++; txtip6.Text = ip6.ToString(); break; default: str = string.Format("Ping Failed{0}", reply.Status.ToString()); lbOutPut.Items.Add(str); lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1]; this.Update(); ip6++; txtip6.Text = ip6.ToString(); break; } } else { str = string.Format("Ping Failed for an unkown reason"); lbOutPut.Items.Add(str); lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1]; this.Update(); ip6++; txtip6.Text = ip6.ToString(); } } catch {//启用开始按钮 BtnStart.Enabled = true; break; } } } //启用开始按钮 BtnStart.Enabled = true; } #region //公共事件,只允许输入数字 private void cubox_KeyPress(object sender, KeyPressEventArgs e) { TextBox cubox = sender as TextBox; if (cubox.TextLength > 2) { e.Handled = true; } //if (Convert.ToInt32(cubox.Text) > 254) //{ // e.Handled = true; //} if (e.KeyChar < "0" || e.KeyChar > "9") { e.Handled = true; } if (e.KeyChar == ".") { this.SelectNextControl(cubox, true, true, true, true); } if(cubox.SelectionStart==0&&e.KeyChar=="0") { e.Handled=true; } if (e.KeyChar == 8) { if (cubox.TextLength == 0) { this.SelectNextControl(cubox, false, true, true,false); } e.Handled = false; } } #endregion //停止按钮的事件 private void btnStop_Click(object sender, EventArgs e) { thread.Abort(); } } }