C # Network Wake-up

  
 

   
  

  
public partial class MainWindow : Window
   
  

  
 {
   
  

  
 //通过正则表达式设定MAC地址筛选标准，关于正则表达式请自行百度
   
  

  
 const string macCheckRegexString = @"^([0-9a-fA-F]{2})(([/\s:-][0-9a-fA-F]{2}){5})$";
   
  

  

   
  

  
 private static readonly Regex MacCheckRegex = new Regex(macCheckRegexString);
   
  

  

   
  

  

   
  

  
 public MainWindow()
   
  

  
 {
   
  

  
 InitializeComponent();
   
  

  
 
   
  

  
 }
   
  

  
 //唤醒主要逻辑方法
   
  

  
 public static bool WakeUp(string mac)
   
  

  
 {
   
  

  
 //查看该MAC地址是否匹配正则表达式定义，（mac，0）前一个参数是指mac地址，后一个是从指定位置开始查询，0即从头开始
   
  

  
 if (MacCheckRegex.IsMatch(mac, 0))
   
  

  
 {
   
  

  
 byte[] macByte = FormatMac(mac);
   
  

  
 WakeUpCore(macByte);
   
  

  
 return true;
   
  

  
 }
   
  

  

   
  

  
 return false;
   
  

  

   
  

  
 }
   
  

  

   
  

  
 private static void WakeUpCore(byte[] mac)
   
  

  
 {
   
  

  
 //发送方法是通过UDP
   
  

  
 UdpClient client = new UdpClient();
   
  

  
 //Broadcast内容为：255,255,255,255.广播形式，所以不需要IP
   
  

  
 client.Connect(System.Net.IPAddress.Broadcast, 50000);
   
  

  
 //下方为发送内容的编制，6遍“FF”+17遍mac的byte类型字节。
   
  

  
 byte[] packet = new byte[17 * 6];
   
  

  
 for (int i = 0; i < 6; i++)
   
  

  
 packet[i] = 0xFF;
   
  

  
 for (int i = 1; i <= 16; i++)
   
  

  
 for (int j = 0; j < 6; j++)
   
  

  
 packet[i * 6 + j] = mac[j];
   
  

  
 //唤醒动作
   
  

  
 int result = client.Send(packet, packet.Length);
   
  

  
 }
   
  

  

   
  

  
 private static byte[] FormatMac(string macInput)
   
  

  
 {
   
  

  
 byte[] mac = new byte[6];
   
  

  

   
  

  
 string str = macInput;
   
  

  
 //消除MAC地址中的“-”符号
   
  

  
 string[] sArray = str.Split(‘-‘);
   
  

  

   
  

  

   
  

  
 //mac地址从string转换成byte
   
  

  
 for (var i = 0; i < 6; i++)
   
  

  
 {
   
  

  
 var byteValue = Convert.ToByte(sArray[i], 16);
   
  

  
 mac[i] = byteValue;
   
  

  
 }
   
  

  

   
  

  
 return mac;
   
  

  
 }
   
  

  

   
  

  
 private void Button_Click_1(object sender, RoutedEventArgs e)
   
  

  
 {
   
  

  
 WakeUp("00-01-80-7E-C3-D2");
   
  

  
 }
   
  

  
 }
  
 

Null

C # Network Wake-up