C#异步并发网络编程 ping、追踪路由、tcp等

MainForm.cs

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Diagnostics;

using System.Drawing;

using System.Linq;

using System.Net;

using System.Net.NetworkInformation;

using System.Net.Sockets;

using System.Text;

using System.Text.RegularExpressions;

using System.Threading;

using System.Windows.Forms;

namespace webSniff

{

public partial class MainForm : Form

{

public MainForm()

{

InitializeComponent();

this.Load += MainForm_Load;

}

//public Close()

//{

// InitializeComponent();

// this.Load += MainForm_Load;

//}

private void MainForm_Load(object sender, EventArgs e)

{

Console.WriteLine("MainForm_Load");

// MessageBox.Show("MainForm_Load a");

}

//private new void FormClosing(object sender, EventArgs e)

//{

// Console.WriteLine("FormClosing");

// MessageBox.Show("FormClosing a");

//}

private void MainForm_FormClosed(object sender, FormClosedEventArgs e)

{

Console.WriteLine("MainForm_FormClosed");

// MessageBox.Show("MainForm_FormClosed a");

}

private void tryIP_Click(object sender, EventArgs e)

{

// Console.WriteLine("tryIP_Click");

if (pingIP(textBox4IP.Text))

{

richTextBox4return.Text += "\n" + textBox4IP.Text + "网络可达";

}

else {

richTextBox4return.Text += "\n" + textBox4IP.Text + "网络不可达";

}

List<string> pingContIPList = new List<string>();

//DateTime sniffIP_Click_Time_B4 = DateTime.Now.AddSeconds(-60);

//DateTime Async_SniffIP_Time = DateTime.Now;

int sniffIP_Click_times = 0;

Thread asynPingJobTh = null;

private void sniffIP_Click(object sender, EventArgs e)

{

try

{

DateTime sniffIP_Click_Time = DateTime.Now;

//if(sniffIP_Click_Time_B4.AddSeconds(5)>sniffIP_Click_Time){

// richTextBox4return.Text += "\n" +"检测同网段IP时间间隔不得小于5秒钟！！！";

// return;

//}else

//{

// sniffIP_Click_Time_B4 = sniffIP_Click_Time;

//}

if (connectIPMap.Count == 0)

{

richTextBox4return.Text += "\n" + "已经预热完毕，请再次点击！多次点击更加精确！但点击不要过于频繁！";

}

else

{

richTextBox4return.Text = "第" + sniffIP_Click_times + "次搜索";

richTextBox4return.Text += "\n" + "共有" + connectIPMap.Count + "个可达的IP";

}

int k = 0;

foreach (var item in connectIPMap.ToList())

{

richTextBox4return.Text += "\n" + ++k + "：" + item.Key + " 平均耗时：" + connectIPMap[item.Key][1] / connectIPMap[item.Key][0] + " ms" + " 连接次数：" + connectIPMap[item.Key][0];

//Debug.Log(item.Key + "," + item.Value);

//pings[item.Key].SendAsyncCancel();

//pings[item.Key].Dispose();

//pings.Remove(item.Key);

}

//if (sniffIP_Click_Time_B4.AddSeconds(3) > sniffIP_Click_Time)

//{

// richTextBox4return.Text = "检测同网段IP时间间隔不得小于3秒钟！！！" + "\n" + richTextBox4return.Text;

// return;

//}

//else

//{

//}

if (asynPingJobTh != null)

{

if (!asynPingJobTh.IsAlive)

{

Thread.Sleep(200);

foreach (var item in asynPings.ToList())

{

//Debug.Log(item.Key + "," + item.Value);

asynPings[item.Key].SendAsyncCancel();

asynPings[item.Key].Dispose();

asynPings.Remove(item.Key);

}

asynPingJobTh = null;

}

else if (asynPingJobTh == null) { }

else { return; }

}

//foreach (KeyValuePair<string, List<int>> kvp in connectIPMap)

//{

// richTextBox4return.Text += "\n" + ++k +"：" + kvp.Key + " 平均耗时：" + kvp.Value[1] / kvp.Value[0]+" ms" + " 连接次数：" + kvp.Value[0];

//}

// richTextBox4return.Text += "\n" + enableIPList[0].Substring(0,enableIPList[0].LastIndexOf(".")+1);

//异步

string func = "异步";

if (func == "异步")

{

//richTextBox4return.Text += "\n" + "8秒内给出结果，请稍等待";

if (asynPings.Count == 0)

{

//sniffIP_Click_Time_B4 = sniffIP_Click_Time;

//if (asynPingJobTh != null && asynPingJobTh.IsAlive) return;

sniffIP_Click_times++;

asynPingJobTh = new Thread(asynPingJob);

asynPingJobTh.IsBackground = true;

asynPingJobTh.Start(getAllEnableIP());

//asynPingAllJob(getAllEnableIP());

}

// asynPingJob(getAllEnableIP());

//运行时间小于是秒或者检查还未开始,且运行时间小于15秒

//while (!(Async_SniffIP_Time.AddSeconds(2) > DateTime.Now && sniffIP_Click_Time.AddSeconds(10) >DateTime.Now))

//{

// //首次运行或者超过4秒没运行到检查

// if (Async_SniffIP_Time < sniffIP_Click_Time)

// {

// asynPingJob(getAllEnableIP());

// Thread.Sleep(4000);

// }

// else if (Async_SniffIP_Time.AddMilliseconds(100) < DateTime.Now)

// {

// if (sniffIP_Click_Time.AddSeconds(5) < Async_SniffIP_Time)

// {

// break;

// }

// else

// {

// asynPingJob(getAllEnableIP());

// Thread.Sleep(2000);

// }

// else

// {

// Thread.Sleep(500);

// }

//}

}

else

{

//同步

synPingJob(getAllEnableIP());

}

//while (connectIPMap.Count == 0 || Async_SniffIP_Time.AddMilliseconds(100) < DateTime.Now)

//{

// Thread.Sleep(450);

//}

}

catch

{

}

//DateTime sniffAllIP_Click_Time_B4 = DateTime.Now.AddSeconds(-180);

Object sniffAllIP_Clicklock = new object();

Thread asynPingAllJobTh = null;

private void sniffAllIP_Click(object sender, EventArgs e)

{

try

{

DateTime sniffIP_Click_Time = DateTime.Now;

GC.Collect();

if (connectAllIPMap.Count == 0)

{

richTextBox4return.Text += "\n" + "已经预热完毕，请再次点击！";

}

else

{

richTextBox4return.Text = "还有" + pings.Count + "个未完成ping的连接";

richTextBox4return.Text += "\n" + "共有" + connectAllIPMap.Count + "个可达的IP";

}

int k = 0;

foreach (var item in connectAllIPMap.ToList())

{

richTextBox4return.Text += "\n" + ++k + "：" + item.Key + " 平均耗时：" + connectAllIPMap[item.Key][1] / connectAllIPMap[item.Key][0] + " ms" + " 连接次数：" + connectAllIPMap[item.Key][0];

//Debug.Log(item.Key + "," + item.Value);

//pings[item.Key].SendAsyncCancel();

//pings[item.Key].Dispose();

//pings.Remove(item.Key);

}

//foreach (KeyValuePair<string, List<int>> kvp in connectIPMap)

//{

// richTextBox4return.Text += "\n" + ++k + "：" + kvp.Key + " 平均耗时：" + kvp.Value[1] / kvp.Value[0] + " ms" + " 连接次数：" + kvp.Value[0];

//}

// richTextBox4return.Text += "\n" + enableIPList[0].Substring(0,enableIPList[0].LastIndexOf(".")+1);

//异步

if (asynPingAllJobTh != null)

{

if (!asynPingAllJobTh.IsAlive)

{

Thread.Sleep(300);

foreach (var item in pings.ToList())

{

//Debug.Log(item.Key + "," + item.Value);

pings[item.Key].SendAsyncCancel();

pings[item.Key].Dispose();

pings.Remove(item.Key);

}

asynPingAllJobTh = null;

richTextBox4return.Text = "请先清理内存（例如点击深度加速的小火箭）！！" + richTextBox4return.Text;

}

else if (asynPingAllJobTh == null) { }

else { return; }

}

//if (sniffAllIP_Click_Time_B4.AddSeconds(180) > sniffIP_Click_Time)

//{

// richTextBox4return.Text = "检测私网IP时间间隔不得小于3分钟！请清理计算机内存！" + "\n" + richTextBox4return.Text;

// GC.Collect();

// return;

//}

//else

//{

//}

//foreach (KeyValuePair<string, Ping> kvp in pings)

//{

// kvp.Value.SendAsyncCancel();

// //pings[254].Dispose();

//}

//pings.Clear();

string func = "异步";

if (func == "异步")

{

//richTextBox4return.Text += "\n" + "8秒内给出结果，请稍等待";

lock (sniffAllIP_Clicklock)

{

if (pings.Count == 0)

{

Dictionary<string, string> ipType = new Dictionary<string, string>();

ipType.Add("A类地址", "10.");

ipType.Add("B类地址", "172.");

ipType.Add("C类地址", "192.");

List<string> enableIPList = getAllEnableIP();

//string backHostIP = "";

List<string> used = new List<string>();

for (int i = 0; i < enableIPList.Count; i++)

{

string iIP = (enableIPList[i].Substring(0, enableIPList[i].LastIndexOf(".")));//.Substring(0, enableIPList[i].LastIndexOf(".") + 1);

iIP = iIP.Substring(0, iIP.LastIndexOf("."));

if (((iIP.Substring(0, iIP.LastIndexOf(".") + 1)).Equals(ipType[comboBox4ip.Text])))

{

//sniffAllIP_Click_Time_B4 = sniffIP_Click_Time;

asynPingAllJobTh = new Thread(asynPingAllJob);

asynPingAllJobTh.IsBackground = true;

asynPingAllJobTh.Start(iIP);

break;

}//

if (enableIPList.Count == i + 1)

{

richTextBox4return.Text = "不存在" + comboBox4ip.Text + "的网卡\n";

}

//asynPingAllJob(getAllEnableIP());

}

//运行时间小于是秒或者检查还未开始,且运行时间小于15秒

//while (!(Async_SniffIP_Time.AddSeconds(2) > DateTime.Now && sniffIP_Click_Time.AddSeconds(10) >DateTime.Now))

//{

// //首次运行或者超过4秒没运行到检查

// if (Async_SniffIP_Time < sniffIP_Click_Time)

// {

// asynPingJob(getAllEnableIP());

// Thread.Sleep(4000);

// }

// else if (Async_SniffIP_Time.AddMilliseconds(100) < DateTime.Now)

// {

// if (sniffIP_Click_Time.AddSeconds(5) < Async_SniffIP_Time)

// {

// break;

// }

// else

// {

// asynPingJob(getAllEnableIP());

// Thread.Sleep(2000);

// }

// else

// {

// Thread.Sleep(500);

// }

//}

//while(asynPingAllJobTh.IsAlive)

//{

// Application.DoEvents();

// Thread.Sleep(100);

//}

}

else

{

//同步

synPingJob(getAllEnableIP());

}

//while (connectIPMap.Count == 0 || Async_SniffIP_Time.AddMilliseconds(100) < DateTime.Now)

//{

// Thread.Sleep(450);

//}

}

catch

{

}

private void tryTelnet_Click(object sender, EventArgs e)

{

if (testIPPortConnect(textBox4IP.Text, cvt_int(textBox4Port.Text))) {

richTextBox4return.Text += "\n" + textBox4IP.Text + ":" + textBox4Port.Text + "端口畅通";

}

else

{

richTextBox4return.Text += "\n" + textBox4IP.Text + ":" + textBox4Port.Text + "端口不畅通";

}

private void tryTracert_Click(object sender, EventArgs e)

{

doTryTracert(textBox4IP.Text);

}

private void getLocIP_Click(object sender, EventArgs e)

{

richTextBox4return.Text += "\n第一个网卡IPv4为" + GetLocalIP() + "\n" + GetLocalAllIP();

}

private void getNetCard_Click(object sender, EventArgs e)

{

richTextBox4return.Text += getNetworkCard();

}

public static int cvt_int(object num)

{

try { return (int)Convert.ToDouble(num); }

catch { return 0; }

}

public bool pingIP(string address)

{

int sleepTime = 0;

pingOK = false;

Thread th = new Thread(PingJob);

th.IsBackground = true;

th.Start(address);

while (!pingOK && sleepTime < 500)//最多等待 n s，如果还没结果，判断本次连接失败

{

sleepTime += 10;

Thread.Sleep(10);

Application.DoEvents();

}

return pingOK;

}

static bool pingOK = false;

void PingJob(object pingIP)

{

Ping ping = null;

try

{

ping = new Ping();

// ping.PingCompleted += new PingCompletedEventHandler(OnPingCompleted);

PingReply pingReply = ping.Send(pingIP.ToString(), 500);

pingOK = pingReply.Status == IPStatus.Success;

}

catch

{

pingOK = false;

}

finally

{

if (ping != null) // 2.0 下ping 的一个bug，需要显示转型后释放

{

IDisposable disposable = ping;

disposable.Dispose();

ping.Dispose();

}

bool synPingJob(List<string> enableIPList)

{

Ping ping = null;

pingOK = false;

try

{

ping = new Ping();

//PingReply pingReply = null;//ping.Send(pingIP, 100);

// pingOK = pingReply.Status == IPStatus.Success;

for (int i = 0; i < enableIPList.Count; i++)

{

richTextBox4return.Text += "\n" + "开始搜索：" + enableIPList[i];

Thread.Sleep(100);

for (int j = 1; j < 254; j++)

{

PingReply pingReply=ping.Send(enableIPList[i].Substring(0, enableIPList[i].LastIndexOf(".") + 1) + j, 100);

if (pingReply.Status == IPStatus.Success)

{

pingContIPList.Add(enableIPList[i].Substring(0, enableIPList[i].LastIndexOf(".") + 1) + j);

richTextBox4return.Text += "\n" + "可连接的IP:" + enableIPList[i].Substring(0, enableIPList[i].LastIndexOf(".") + 1) + j;

}

richTextBox4return.Text += "\n" + "第" + (i+1) + "次搜索结束";

}

// ping.PingCompleted += new PingCompletedEventHandler(OnPingCompleted);

return pingOK;

}

catch

{

return pingOK;

}

finally

{

if (ping != null) // 2.0 下ping 的一个bug，需要显示转型后释放

{

IDisposable disposable = ping;

disposable.Dispose();

ping.Dispose();

}

Dictionary<string, Ping> asynPings = new Dictionary<string, Ping>();

void asynPingJob(Object o)

{

List<string> enableIPList = (List<string>)o;

//Ping ping = null;

pingOK = false;

try

{

for (int i = 0; i < enableIPList.Count; i++)

{

//richTextBox4return.Text += "\n" + "开始搜索：" + enableIPList[i];

//Thread.Sleep(100);

for (int j = 1; j < 254; j++)

{

string IPKey= enableIPList[i].Substring(0, enableIPList[i].LastIndexOf(".") + 1) + j;

asynPings.Add( IPKey,new Ping());

asynPings[IPKey].PingCompleted += PingSuccess;

asynPings[IPKey].SendAsync(IPKey, 500, IPKey);

}

catch

{

}

finally

{

}

Dictionary<string, Ping> pings = new Dictionary<string, Ping>();

void asynPingAllJob(Object o)

{

string iIP = (string)o;

for (int k = 0; k < 255; k++)// for (int k = 254; k >0; k--)//

{

string kIP = iIP + "." + k;

//string kBackHostIP = backHostIP + "." + k;

for (int j = 1; j < 255; j++)// for (int j = 254; j > 0; j--)//

{

string jIP = kIP + "." + j;

//ping = new Ping();

if (!pings.ContainsKey(jIP))

{

pings.Add(jIP, new Ping());

pings[jIP].PingCompleted += PingAllIn1Success;

pings[jIP].SendAsync(jIP, 600, jIP);

}

static Object _lock = new object();

void PingSuccess(object sender, PingCompletedEventArgs e)

{

BackgroundWorker worker = sender as BackgroundWorker;

lock (_lock)

{

try

{

if (e.Reply.Status == IPStatus.Success)

{

//string temp = e.UserState + "请求结果:" + e.Reply.Status + "(编号" + i + "),耗时：" + e.Reply.RoundtripTime + "ms";

//richTextBox4return.Text += "\n"+"IP地址:" + e.UserState + "->请求结果:" + e.Reply.Status + "耗时：" + e.Reply.RoundtripTime + "ms";

if (connectIPMap.ContainsKey((e.UserState).ToString()))

{

connectIPMap[e.UserState.ToString()][0]++;

connectIPMap[e.UserState.ToString()][1] += (int)e.Reply.RoundtripTime;

}

else

{

List<int> v = new List<int>() { 1, (int)e.Reply.RoundtripTime };

connectIPMap.Add(e.UserState.ToString(), v);

}

catch (Exception ex)

{

Console.WriteLine(ex.ToString());

}

void PingAllIn1Success(object sender, PingCompletedEventArgs e)

{

BackgroundWorker worker = sender as BackgroundWorker;

lock (_lock)

{

try

{

if (e.Reply.Status == IPStatus.Success)

{

if (connectAllIPMap.ContainsKey((e.UserState).ToString()))

{

connectAllIPMap[e.UserState.ToString()][0]++;

connectAllIPMap[e.UserState.ToString()][1] += (int)e.Reply.RoundtripTime;

}

else

{

List<int> v = new List<int>() { 1, (int)e.Reply.RoundtripTime };

connectAllIPMap.Add(e.UserState.ToString(), v);

}

pings[e.UserState.ToString()].SendAsyncCancel();

//pings[254].Dispose();

pings.Remove(e.UserState.ToString());

}

catch (Exception ex) { Console.WriteLine(ex.ToString()); }

}

Dictionary<string, List<int>> connectIPMap = new Dictionary<string, List<int>>();

Dictionary<string, List<int>> connectAllIPMap = new Dictionary<string, List<int>>();

List<string> getAllEnableIP()

{

List<string> netInfo =new List<string>();

IPAddress[] dnsIps = Dns.GetHostAddresses(Dns.GetHostName());

for (int i = 0; i < dnsIps.Length; i++)

{

if (dnsIps[i].AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)

{

netInfo .Add( dnsIps[i].ToString());

}

return netInfo;

}

public static bool testIPPortConnect(string ipAddress, int portNum)

{ //将IP和端口替换成为你要检测的

//string ipAddress = "192.168.1.1";

//int portNum = 22;

try

{

IPAddress ip = IPAddress.Parse(ipAddress);

IPEndPoint point = new IPEndPoint(ip, portNum);

using (System.Net.Sockets.Socket sock = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))

{

sock.Connect(point);

sock.Close();

return true;

}

catch (SocketException e)

{

Console.WriteLine(e.ToString());

return false;

}

catch (Exception e) {

Console.WriteLine(e.ToString());

return false;

}

static byte[] PING_BUFFER = new byte[] { 0 };

static int g_nHops = 30;

static int g_nTimeout = 3000;

static bool g_bCanceled = false;

public struct ICMP_PARAM

{

internal long m_nSendTicks;

internal IPAddress m_IPAddress;

internal PingOptions m_PingOptions;

}

void icmp_PingCompleted(object sender, PingCompletedEventArgs e)

{

ICMP_PARAM param = (ICMP_PARAM)e.UserState;

long nDeltaMS = (DateTime.Now.Ticks - param.m_nSendTicks) / TimeSpan.TicksPerMillisecond;

richTextBox4return.Text += "\n" +param.m_PingOptions.Ttl+":\t"+((e.Reply.Status == IPStatus.TimedOut) ? "*" : nDeltaMS.ToString())+" ms\t" +e.Reply.Address.ToString();

if (param.m_IPAddress.Equals(e.Reply.Address))

{

richTextBox4return.Text += "\n" + "已到达目标地址！";

g_bCanceled = true;

return;

}

if (param.m_PingOptions.Ttl >= g_nHops)

{

richTextBox4return.Text += "\n" + "已达到最大跃点计数！";

g_bCanceled = true;

return;

}

Ping icmp = (Ping)sender;

param.m_PingOptions.Ttl++;

param.m_nSendTicks = DateTime.Now.Ticks;

icmp.SendAsync(param.m_IPAddress, g_nTimeout, PING_BUFFER, param.m_PingOptions, param);

}

void Usage()

{

richTextBox4return.Text += "\n" +"Usage: "+Process.GetCurrentProcess().ProcessName+" [-h max_hops] [-w timeout] ip/domain";

}

void doTryTracert(string szDomain)

{

Console.CancelKeyPress += new ConsoleCancelEventHandler(Console_CancelKeyPress);

ICMP_PARAM param = new ICMP_PARAM();

param.m_PingOptions = new PingOptions(1, false);

if (!IPAddress.TryParse(szDomain, out param.m_IPAddress))

{

// 解析域名

try

{

Regex regEx = new Regex("\\d+\\.\\d+\\.\\d+\\.\\d+");

IPHostEntry hostEntry = Dns.GetHostEntry(szDomain);

foreach (IPAddress ipAddr in hostEntry.AddressList)

{

if (regEx.IsMatch(ipAddr.ToString()))

{

param.m_IPAddress = ipAddr;

break;

}

if (param.m_IPAddress == null)

{

Usage();

return;

}

richTextBox4return.Text += "\n" + "正在跟踪到 "+szDomain+"["+ param.m_IPAddress.ToString()+"] 间的路由：";

}

catch (Exception ex)

{

Console.WriteLine(ex.ToString());

return;

}

else

{

richTextBox4return.Text += "\n" + "正在跟踪到" + param.m_IPAddress.ToString()+" 间的路由：";

}

Ping icmp = new Ping();

icmp.PingCompleted += new PingCompletedEventHandler(icmp_PingCompleted);

param.m_nSendTicks = DateTime.Now.Ticks;

icmp.SendAsync(param.m_IPAddress, g_nTimeout, PING_BUFFER, param.m_PingOptions, param);

while (!g_bCanceled)

{

Application.DoEvents();

Thread.Sleep(10);

}

void Console_CancelKeyPress(object sender, ConsoleCancelEventArgs e)

{

richTextBox4return.Text += "\n" + "程序被终止！";

}

public string GetLocalIP()

{

IPAddress localIp = null;

try

{

IPAddress[] ipArray;

ipArray = Dns.GetHostAddresses(Dns.GetHostName());

localIp = ipArray.First(ip => ip.AddressFamily == AddressFamily.InterNetwork);

}

catch (Exception ex)

{

MessageBox.Show(ex.StackTrace + "\r\n" + ex.Message, "错误", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);

//Log.WriteLog(ex);

}

if (localIp == null)

{

localIp = IPAddress.Parse("127.0.0.1");

}

return localIp.ToString();

}

public string GetLocalAllIP()

{

string netInfo = "";

try

{

IPAddress[] ipArray;

ipArray = Dns.GetHostAddresses("");

for (int i = 0; i < ipArray.Length; i++)

{

netInfo += string.Format("{0}) [ip:]{1}， [ip类型:]{2}\r\n", i.ToString(), ipArray[i].ToString(), ipArray[i].AddressFamily);

}

return netInfo;

}

catch (Exception ex)

{

MessageBox.Show(ex.StackTrace + "\r\n" + ex.Message, "错误", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);

//Log.WriteLog(ex);

return "获取所有网卡失败" + ex.ToString();

}

string getNetworkCard()

{

string netInfo ="";

//3、获取网卡的名字等信息

netInfo += "\r\n以下是网卡接口数组中的信息。\r\n通过NetworkInterface.GetAllNetworkInterfaces()获取本机所有网卡接口信息:\r\n";

int count = 0;

foreach (NetworkInterface netInt in NetworkInterface.GetAllNetworkInterfaces())

{

count++;

netInfo += string.Format("{0})接口名:{1}\r\n 接口类型:{2}\r\n 接口MAC:{3}\r\n 接口速度:{4}\r\n 接口描述信息:{5}\r\n", count, netInt.Name, netInt.NetworkInterfaceType, netInt.GetPhysicalAddress().ToString(), netInt.Speed / 1000 / 1000, netInt.Description);

netInfo += " 接口配置的IP地址:\r\n";

foreach (UnicastIPAddressInformation ipIntProp in netInt.GetIPProperties().UnicastAddresses.ToArray<UnicastIPAddressInformation>())

{

netInfo += string.Format(" 接口名:{0}， ip:{1}， ip类型:{2}\r\n",netInt.Name, ipIntProp.Address.ToString(),ipIntProp.Address.AddressFamily);

}

//单个网卡的IP对象

IPInterfaceProperties ip = netInt.GetIPProperties();

GatewayIPAddressInformationCollection gateways = ip.GatewayAddresses;

foreach (var gateWay in gateways)

{

//如果能够Ping通网关

if (pingIP(gateWay.Address.ToString()))

{

//得到网关地址

netInfo += "畅通的网关：" + gateWay.Address.ToString() + "\r\n";

//跳出循环

//break;

}

else

{

netInfo += "不可达的网关：" + gateWay.Address.ToString() + "\r\n";

}

IPAddressCollection dnsAddresses =ip.DnsAddresses;

foreach (var DnsAddress in dnsAddresses)

{

netInfo += "DNS地址：" + DnsAddress.ToString() + "\r\n";

}

return netInfo;

}

private void getPasNetAddr_Click(object sender, EventArgs e)

{

richTextBox4return.Text += "\n" + getImportantIP();

}

string getImportantIP()

{

string netInfo = "";

foreach (var item in NetworkInterface.GetAllNetworkInterfaces())

{

if (item.OperationalStatus == OperationalStatus.Up && item.NetworkInterfaceType == NetworkInterfaceType.Ethernet)

{//先获取需要的接口。两个条件确定当前正在使用的网口。1、接口状态为up；2、接口类型为Ethernet。

foreach (var ipInfo in item.GetIPProperties().UnicastAddresses.ToArray())

{

if (ipInfo.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)

{

netInfo += string.Format("本机正在使用接口为:{0}\r\n本机正在使用的IP为：{1}", item.Name, ipInfo.Address.ToString());

break;

}

//与上面一样，只不过用了Dns.GetHostAddresses()的方法

IPAddress[] dnsIps = Dns.GetHostAddresses(Dns.GetHostName());

for (int i = 0; i < dnsIps.Length; i++)

{

if (dnsIps[i].AddressFamily==System.Net.Sockets.AddressFamily.InterNetwork)

{

netInfo += "\r\n已启用的IPv4：" + dnsIps[i].ToString();

}

return netInfo;

}

private void button4RichClear_Click(object sender, EventArgs e)

{

richTextBox4return.Text = "";

}

Thread urlIsExistTh = null;

private void button4url_Click(object sender, EventArgs e)

{

List<String> urls =new List<string> ();

urls.Add(richTextBox4url.Text);

UrlIsExistThStart(urls);

foreach(string url in urls){

if (connectURLMap.ContainsKey(url))

{

richTextBox4return.Text += "\r\n"+ richTextBox4url.Text +"--"+ connectURLMap[url];

}

private void UrlIsExistThStart(List<String> urls)

{

if (urlIsExistTh == null)

{

urlIsExistTh = new Thread(UrlIsExist);

urlIsExistTh.IsBackground = true;

urlIsExistTh.Start(urls);

}

else if (!urlIsExistTh.IsAlive)

{

urlIsExistTh = new Thread(UrlIsExist);

urlIsExistTh.IsBackground = true;

urlIsExistTh.Start(urls);

}

if (connectURLMap.Count > 100) connectURLMap.Clear();

}

Dictionary<string, string> connectURLMap = new Dictionary<string, string>();

private void UrlIsExist(Object o)

{

List<String> urls = (List<String>)o;

System.Uri u = null;

foreach(String url in urls){

System.Net.HttpWebRequest r =null;

try

{

u = new Uri(url);

if (u == null) throw new Exception();

r = System.Net.HttpWebRequest.Create(u) as System.Net.HttpWebRequest;

r.Method = "HEAD";

}

catch

{

if (connectURLMap.ContainsKey(url))

{

connectURLMap[url] = "url格式不正确";

}

else

{

connectURLMap.Add(url, "url格式不正确");

}

continue;

}

bool isExist = false;

try

{

System.Net.HttpWebResponse s = r.GetResponse() as System.Net.HttpWebResponse;

if (s.StatusCode == System.Net.HttpStatusCode.OK)

{

isExist = true;

}

catch (System.Net.WebException x)

{

try

{

isExist = ((x.Response as System.Net.HttpWebResponse).StatusCode != System.Net.HttpStatusCode.NotFound);

}

catch { isExist = (x.Status == System.Net.WebExceptionStatus.Success); }

}

if (isExist)

{

if (connectURLMap.ContainsKey(url))

{

connectURLMap[url] = "目的地址的服务器存活";

}

else

{

connectURLMap.Add(url, "目的地址的服务器存活");

}

else

{

if (connectURLMap.ContainsKey(url))

{

connectURLMap[url] = "无法连接";

}

else

{

connectURLMap.Add(url, "无法连接");

}

//return isExist;

}

private void banIPButton_Click(object sender, EventArgs e)

{

IISTool iisTool = new IISTool();

IEnumerable<string> siteNames= iisTool.GetSiteNames();

if (siteNames == null)

{

MessageBox.Show("权限不足");

}

else {

foreach (string s in iisTool.GetSiteNames())

{

richTextBox4return.Text += "\n" + s;

}

// siteNames.

}

if (pingIP(banIPButtonTextBox.Text))

{

if (banIPButton.Text.Equals("禁止访问IP"))

{

try

{

IISTool.banIP(banIPButtonTextBox.Text);

richTextBox4return.Text += "\n" + banIPButtonTextBox.Text + "被禁止";

}

catch

{

richTextBox4return.Text += "\n" + banIPButtonTextBox.Text + "禁止时出现异常";

}

banIPButton.Text = "解除禁制IP";

banIPButtonTextBox.Enabled = false;

}

else

{

try

{

IISTool.allowIP(banIPButtonTextBox.Text);

richTextBox4return.Text += "\n" + banIPButtonTextBox.Text + "被解除禁止";

}

catch

{

richTextBox4return.Text += "\n" + banIPButtonTextBox.Text + "解除禁止时出现异常";

}

banIPButton.Text = "禁止访问IP";

banIPButtonTextBox.Enabled = true;

}

else

{

richTextBox4return.Text += "\n" + banIPButtonTextBox.Text + "网络不可达";

}

WorkWait.cs //这个类几乎没啥用

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

namespace webSniff

{

public class WorkWait

{

Consumer c = new Consumer();

Producer p = new Producer();

public void maked()

{

p.maked();

}

public void used()

{

c.used();

}

public void wait()

{

int i = 0;

int cSumTemp = c.sum;

while ((p.sum - c.sum) > 12)

{

//让出时间片

Thread.Sleep(1);

if (c.sum == cSumTemp & i > 30)

{

GC.Collect();

if (c.sum == cSumTemp)

p.sum = c.sum = 0;

}

else if (c.sum == cSumTemp)

{

i++;

}

else

{

i = 0;

cSumTemp = c.sum;

}

class Producer

{

public int sum = 0;

public void maked()

{

sum++;

}

class Consumer

{

public int sum = 0;

public void used() {

sum++;

}

IISTool.cs //禁用IP连接的类，没测试成功

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Microsoft.Web.Administration;

namespace webSniff

{

public class IISTool

{

private readonly ServerManager serverManager;

public IISTool()

{

serverManager = new Microsoft.Web.Administration.ServerManager();

}

/// <summary>

/// 给IIS添加禁止IP限制

/// 仅针对iis 7及以上版本

/// 首先需要引入Microsoft.Web.Administration.dll

/// 该文件位置在windows2008的\Windows\System32\inetsrv目录下

/// 注意：生成的EXE文件必须以管理员身份运行

/// </summary>

/// <param name="ip"></param>

/// 过 http://go.microsoft.com/fwlink/?LinkId=213942

public static void banIP(string ip)

{

using (ServerManager serverManager = new ServerManager())

{

Configuration config = serverManager.GetApplicationHostConfiguration();

ConfigurationSection ipSecuritySection = config.GetSection("system.webServer/security/ipSecurity");

ConfigurationElementCollection ipSecurityCollection = ipSecuritySection.GetCollection();

ConfigurationElement addElement = ipSecurityCollection.CreateElement("add");

addElement["ipAddress"] = ip;

ipSecurityCollection.Add(addElement);

serverManager.CommitChanges();

}

public static void allowIP(string ip)

{

using (ServerManager serverManager = new ServerManager())

{

Configuration config = serverManager.GetApplicationHostConfiguration();

ConfigurationSection ipSecuritySection = config.GetSection("system.webServer/security/ipSecurity");

ConfigurationElementCollection ipSecurityCollection = ipSecuritySection.GetCollection();

ConfigurationElement removeElement = ipSecurityCollection.CreateElement("remove");

removeElement["ipAddress"] = ip;

//ipSecurityCollection.Add(removeElement);

ipSecurityCollection.Remove(removeElement);

serverManager.CommitChanges();

}

public IEnumerable<string> GetSiteNames()

{

foreach (var item in GetWorkerProcesses())

{

yield return item.AppPoolName;

}

public IEnumerable<WorkerProcess> GetWorkerProcesses()

{

return serverManager.WorkerProcesses;

}

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