private IPEndPoint point;
private UdpClient client = new UdpClient();
/**
- 唤醒远程机器方法
- @param
- mac 要唤醒的机器的MAC
- IP
- port udp消息发送端口 *
- 摘要：唤醒方法为网卡提供的魔术封包功能，即以广播模式发送6个FF加上16遍目标MAC地址的字节数组 **/ private void wakeUp(string mac, int port, string ip) { byte[] magicBytes = getMagicPacket(mac); point = new IPEndPoint(IPAddress.Parse(ip), port);//广播模式:255.255.255.255 try { client.Send(magicBytes, magicBytes.Length, point); } catch (SocketException e) { MessageBox.Show(e.Message); } }
///
/// 字符串转16进制字节数组
///
///
///
public static byte[] strToHexByte(string hexString)
{
hexString = hexString.Replace(" ", "");
if ((hexString.Length % 2) != 0)
hexString += " ";
byte[] returnBytes = new byte[hexString.Length / 2];
for (int i = 0; i < returnBytes.Length; i++)
returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
return returnBytes;
}
///
/// 拼装MAC魔术封包
///
///
///
public static byte[] getMagicPacket(string macString)
{
byte[] returnBytes = new byte[102];
string commandString = "FFFFFFFFFFFF";
for (int i = 0; i < 6; i++)
returnBytes[i] = Convert.ToByte(commandString.Substring(i * 2, 2), 16);
byte[] macBytes = strToHexByte(macString);
for (int i = 6; i < 102; i++)
{
returnBytes[i] = macBytes[i % 6];
}
return returnBytes;
}
这是网上找的代码，然后我自己建了一个按钮。被唤醒机器的mac地址和ip地址都知道。port是什么，是自己端口还是被唤醒机器端口，还有什么需要注意的？
