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package com.lh.openOS;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
public class TestOpenOS
{
private int port = 10000;
private String mac = "8C-89-A5-19-82-9A";
private String ipAddress = "255.255.255.255";
public TestOpenOS()
{
// TODO Auto-generated constructor stub
}
private void setMac(String mac)
{
this.mac = mac;
}
public TestOpenOS(int port, String mac, String ipAddress)
{
this.port = port;
this.mac = mac;
this.ipAddress = ipAddress;
}
public void sendOpenOS()
{
InetAddress destHost = null;
DatagramSocket ds = null;
try
{
destHost = InetAddress.getByName(ipAddress);
byte[] destMac = getMacBytes(mac);
byte[] magicBytes = new byte[102];
// 将数据包的前六位放入0xFF即“FF”的二进制
// 发一个BroadCast包，包的内容包括以下数据就可以了。
// FF FF FF FF FF FF，6个FF是数据的开始，
// 紧跟着16次MAC地址就可以了。
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < destMac.length; j++)
{
magicBytes[6 + destMac.length * i + j] = destMac[j];
magicBytes[j] = (byte) 0xFF;
}
}
// --------------------查看数据报发出的数据---------------------
for (int i = 1; i <= 102; i++)
{
if (((i - 1) % 6) == 0)
{
System.out.println();
}
System.out.print(magicBytes[i - 1] + "===");
}
// System.out.println("port =" + port + ", destHost=" + destHost + ",magicBytes.length = " + magicBytes.length);
DatagramPacket dp = null;
try
{
dp = new DatagramPacket(magicBytes, magicBytes.length, destHost, port);
ds = new DatagramSocket();
ds.send(dp);
}
catch (Exception e)
{
// TODO: handle exception
e.printStackTrace();
}
}
catch (Exception e)
{
// TODO: handle exception
e.printStackTrace();
}
finally
{
if (null != ds)
{
//关闭数据报流
ds.close();
}
}
}
// 远程关机
public void sendCloseOS()
{
}
/**
* 将16进制的mac地址转换为二进制
* @param macStr
* @return
* @throws IllegalArgumentException
*/
private static byte[] getMacBytes(String macStr) throws IllegalArgumentException
{
byte[] bytes = new byte[6];
String[] hex = macStr.split("(\\:|\\-)");
if (hex.length != 6)
{
throw new IllegalArgumentException("mac 地址有问题，你看看对不对？Invalid MAC address.");
}
try
{
for (int i = 0; i < 6; i++)
{
bytes[i] = (byte) Integer.parseInt(hex[i], 16);
}
}
catch (NumberFormatException e)
{
throw new IllegalArgumentException("Invalid hex digit in MAC address.");
}
return bytes;
}
public static void main(String[] args)
{
TestOpenOS w = new TestOpenOS();
w.sendOpenOS();
w.setMac("8C-89-A5-19-80-3D");
w.sendOpenOS();
}
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