检测连接指定主机网络状况

 

 1  /// <summary>
 2         /// 检测连接指定主机网络状况
 3         /// </summary>
 4         /// <param name="host">主机名:可以为IP或者一級域名</param>
 5         /// <returns>true连接正常,false无法正常连接</returns>
 6         public static bool Check(string host)
 7         {
 8             bool isOk = false;
 9             Ping ping = new Ping();
10             PingOptions options = new PingOptions();
11             options.DontFragment = true;
12             PingReply reply = null;
13             try
14             {
15                 reply = ping.Send(host);
16                 if (reply.Status == IPStatus.Success)
17                 {
18                     isOk = true;
19                 }
20                 else
21                 {
22                     isOk = false;
23                 }
24             }
25             catch(Exception exc)
26             {
27                 isOk = false;
28             }            
29             return isOk;
30         }