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//ping通ip类 测试ip地址是否连通
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Net.NetworkInformation;
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using System.Data.SqlClient;
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namespace RS.DBUtility
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{
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public class PingHelper
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{
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/// <summary>
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/// 测试ping通
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/// </summary>
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/// <param name="ip"></param>ip地址
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/// <param name="num"></param>ping次数
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/// <returns></returns>
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public static bool PingFun(string ip, Int32 num = 4)
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{
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for (int i = 0; i < num; i++) //ping4次 连续ping不通就不通了
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{
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if (PingConnect(ip))
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return true;
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}
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return false;
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}
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public static bool PingConnect(string ip)
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{
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try
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{
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if (ip == "") return false;
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if (ip == "127.0.0.1" || ip == "localhost") return true;
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Ping pingSender = new Ping();
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PingOptions options = new PingOptions();
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options.DontFragment = true;
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string data = "pingip";
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byte[] buffer = Encoding.ASCII.GetBytes(data);
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int timeout = 200;
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//如果网络连接成功，PING就应该有返回；否则，网络连接有问题
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PingReply reply = pingSender.Send(ip, timeout, buffer, options);
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if (reply.Status == IPStatus.Success)
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{
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return true;
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}
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else return false;
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}
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catch
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{
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return false;
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}
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}
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public static bool PingConnectString(string constr)
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{
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try
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{
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SqlConnectionStringBuilder con = new SqlConnectionStringBuilder(constr);
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string ip = con.DataSource;
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if (ip == "") return false;
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if (ip == "127.0.0.1" || ip.ToLower() == "localhost") return true;
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Ping pingSender = new Ping();
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PingOptions options = new PingOptions();
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options.DontFragment = true;
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string data = "pingip";
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byte[] buffer = Encoding.ASCII.GetBytes(data);
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int timeout = 200;
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//测试网络连接：目标计算机为192.168.1.1(可以换成你所需要的目标地址）
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//如果网络连接成功，PING就应该有返回；否则，网络连接有问题
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PingReply reply = pingSender.Send(ip, timeout, buffer, options);
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if (reply.Status == IPStatus.Success)
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{
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return true;
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}
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else return false;
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}
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catch
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{
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return false;
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}
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}
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}
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}
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