wakeonlan-远程开机
2017-06-15 10:00
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private void sendIP_MAC(String ipStr,String macStr ){
try {
int port = 9;
byte[] macBytes = getMacBytes(macStr);
byte[] bytes = new byte[6 + 16 * macBytes.length];
for (int i = 0; i < 6; i++) {
bytes[i] = (byte) 0xff;
}
for (int i = 6; i < bytes.length; i += macBytes.length) {
System.arraycopy(macBytes, 0, bytes, i, macBytes.length);
}
String ip = getIpBroadcast(ipStr);
//System.out.println(Arrays.toString(bytes));
InetAddress address = InetAddress.getByName(ip);
DatagramPacket packet = new DatagramPacket(bytes, bytes.length, address, port);
DatagramSocket socket = new DatagramSocket(port);
socket.setBroadcast(true);
socket.send(packet);
socket.close();
//sendMagicPacketTo(address,macStr,port);
System.out.println("远程主机"+ipStr+"已经开启");
}
catch (Exception e) {
System.out.println("Failed to send Wake-on-LAN packet: + e");
System.exit(1);
}
}
public static byte[] getMacBytes(String macStr){
byte[] bytes=new byte[6];
String[] hex = macStr.split("(\\:|\\-)");
if(hex.length != 6){
throw new IllegalArgumentException("非法的MAC地址");
}
try {
for(int i=0;i<6;i++){
bytes[i]=(byte)Integer.parseInt(hex[i],16);
}
} catch (Exception e) {
throw new IllegalArgumentException("非法的MAC地址");
}
return bytes;
}
public String getIpBroadcast(String ip) {
String ipBroad = UtilsNetwork.binaryIpToInteger(UtilsNetwork.getBroadcastAddressBinary(ip,"255.255.255.0"));
return ipBroad;
}
public final class UtilsNetwork {
private static final long serialVersionUID = 1L;
/**
* Constructor of the object. <br>
* This constructor should remain private
*/
private UtilsNetwork() {
throw new IllegalAccessError("Can not be instantiate");
}
/**
* Checks if IP as a good standard look.
*
* @param anIp
* an ip as a string
* @return true if IP is good, false if not
*/
public static boolean checkIp(String anIp) {
if ((anIp == null) || (anIp.trim().length() == 0)) {
return false;
}
// Needs 4 parts
String[] ipArray = anIp.split("\\.");
if ((ipArray == null) || (ipArray.length != 4)) {
return false;
}
// All part are [0, 255] integer
for (int lcI = 0; lcI < ipArray.length; lcI++) {
int val = -1;
try {
val = Integer.parseInt(ipArray[lcI]);
} catch (NumberFormatException lcExc) {
return false;
}
if ((val < 0) || (val > 255)) {
return false;
}
}
return true;
}
/**
* Transform a binary IP into its integer representation.
*
* @param aBinaryIp
* a binary IP
* @return the integer representation of the IP
*/
public static String binaryIpToInteger(String[] aBinaryIp) {
StringBuilder resu = new StringBuilder();
for (int lcI = 0; lcI < aBinaryIp.length; lcI++) {
resu.append(Integer.parseInt(aBinaryIp[lcI], 2)).append('.');
}
resu.delete(resu.length() - 1, resu.length());
return resu.toString();
}
/**
* Compute binary broadcast mask for an IP.
*
* @param anIp
* an IP
* @param aMask
* a mask
* @return the broadcast address for this IP/mask
*/
public static String[] getBroadcastAddressBinary(String anIp, String aMask) {
String[] ipMask = UtilsNetwork.ipToBinary(aMask);
String[] subNetMaskBin = UtilsNetwork.getSubnetAddressBinary(anIp, aMask);
String[] invertMask = new String[ipMask.length];
String[] broadCastIp = new String[ipMask.length];
for (int lcI = 0; lcI < ipMask.length; lcI++) {
String ip0 = ipMask[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
if (ip0.charAt(lcI2) == '1') {
resu.append('0');
} else {
resu.append('1');
}
}
invertMask[lcI] = resu.toString();
}
for (int lcI = 0; lcI < invertMask.length; lcI++) {
String ip0 = subNetMaskBin[lcI];
String ip1 = invertMask[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
// Do OR
if ((ip0.charAt(lcI2) == '1') || (ip1.charAt(lcI2) == '1')) {
resu.append('1');
} else {
resu.append('0');
}
}
broadCastIp[lcI] = resu.toString();
}
return broadCastIp;
}
/**
* Compute binary subnet mask for an IP.
*
* @param anIp
* an IP
* @param aMask
* a mask
* @return the subnet address for this IP/mask
*/
public static String[] getSubnetAddressBinary(String anIp, String aMask) {
String[] ipBin = UtilsNetwork.ipToBinary(anIp);
4000
String[] masqBin = UtilsNetwork.ipToBinary(aMask);
String[] subMasq = new String[ipBin.length];
for (int lcI = 0; lcI < masqBin.length; lcI++) {
String ip0 = ipBin[lcI];
String ip1 = masqBin[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
// Do AND
if ((ip0.charAt(lcI2) == '1') && (ip1.charAt(lcI2) == '1')) {
resu.append('1');
} else {
resu.append('0');
}
}
subMasq[lcI] = resu.toString();
}
return subMasq;
}
/**
* Transform an IP into its binary representation.
*
* @param anIp
* an IP
* @return the binary representation of the IP
*/
public static String[] ipToBinary(String anIp) {
String[] ipArray = anIp.split("\\.");
String[] ipBin = new String[ipArray.length];
for (int lcJ = 0; lcJ < ipBin.length; lcJ++) {
ipBin[lcJ] = Integer.toBinaryString(Integer.parseInt(ipArray[lcJ]));
if (ipBin[lcJ].length() < 8) {
int nb0 = 8 - ipBin[lcJ].length();
StringBuilder buff = new StringBuilder();
while (nb0 != 0) {
buff.append('0');
nb0--;
}
ipBin[lcJ] = buff.toString() + ipBin[lcJ];
}
}
return ipBin;
}
}
255.255.255.0这个根据所在的局域网自己设定！！！
try {
int port = 9;
byte[] macBytes = getMacBytes(macStr);
byte[] bytes = new byte[6 + 16 * macBytes.length];
for (int i = 0; i < 6; i++) {
bytes[i] = (byte) 0xff;
}
for (int i = 6; i < bytes.length; i += macBytes.length) {
System.arraycopy(macBytes, 0, bytes, i, macBytes.length);
}
String ip = getIpBroadcast(ipStr);
//System.out.println(Arrays.toString(bytes));
InetAddress address = InetAddress.getByName(ip);
DatagramPacket packet = new DatagramPacket(bytes, bytes.length, address, port);
DatagramSocket socket = new DatagramSocket(port);
socket.setBroadcast(true);
socket.send(packet);
socket.close();
//sendMagicPacketTo(address,macStr,port);
System.out.println("远程主机"+ipStr+"已经开启");
}
catch (Exception e) {
System.out.println("Failed to send Wake-on-LAN packet: + e");
System.exit(1);
}
}
public static byte[] getMacBytes(String macStr){
byte[] bytes=new byte[6];
String[] hex = macStr.split("(\\:|\\-)");
if(hex.length != 6){
throw new IllegalArgumentException("非法的MAC地址");
}
try {
for(int i=0;i<6;i++){
bytes[i]=(byte)Integer.parseInt(hex[i],16);
}
} catch (Exception e) {
throw new IllegalArgumentException("非法的MAC地址");
}
return bytes;
}
public String getIpBroadcast(String ip) {
String ipBroad = UtilsNetwork.binaryIpToInteger(UtilsNetwork.getBroadcastAddressBinary(ip,"255.255.255.0"));
return ipBroad;
}
public final class UtilsNetwork {
private static final long serialVersionUID = 1L;
/**
* Constructor of the object. <br>
* This constructor should remain private
*/
private UtilsNetwork() {
throw new IllegalAccessError("Can not be instantiate");
}
/**
* Checks if IP as a good standard look.
*
* @param anIp
* an ip as a string
* @return true if IP is good, false if not
*/
public static boolean checkIp(String anIp) {
if ((anIp == null) || (anIp.trim().length() == 0)) {
return false;
}
// Needs 4 parts
String[] ipArray = anIp.split("\\.");
if ((ipArray == null) || (ipArray.length != 4)) {
return false;
}
// All part are [0, 255] integer
for (int lcI = 0; lcI < ipArray.length; lcI++) {
int val = -1;
try {
val = Integer.parseInt(ipArray[lcI]);
} catch (NumberFormatException lcExc) {
return false;
}
if ((val < 0) || (val > 255)) {
return false;
}
}
return true;
}
/**
* Transform a binary IP into its integer representation.
*
* @param aBinaryIp
* a binary IP
* @return the integer representation of the IP
*/
public static String binaryIpToInteger(String[] aBinaryIp) {
StringBuilder resu = new StringBuilder();
for (int lcI = 0; lcI < aBinaryIp.length; lcI++) {
resu.append(Integer.parseInt(aBinaryIp[lcI], 2)).append('.');
}
resu.delete(resu.length() - 1, resu.length());
return resu.toString();
}
/**
* Compute binary broadcast mask for an IP.
*
* @param anIp
* an IP
* @param aMask
* a mask
* @return the broadcast address for this IP/mask
*/
public static String[] getBroadcastAddressBinary(String anIp, String aMask) {
String[] ipMask = UtilsNetwork.ipToBinary(aMask);
String[] subNetMaskBin = UtilsNetwork.getSubnetAddressBinary(anIp, aMask);
String[] invertMask = new String[ipMask.length];
String[] broadCastIp = new String[ipMask.length];
for (int lcI = 0; lcI < ipMask.length; lcI++) {
String ip0 = ipMask[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
if (ip0.charAt(lcI2) == '1') {
resu.append('0');
} else {
resu.append('1');
}
}
invertMask[lcI] = resu.toString();
}
for (int lcI = 0; lcI < invertMask.length; lcI++) {
String ip0 = subNetMaskBin[lcI];
String ip1 = invertMask[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
// Do OR
if ((ip0.charAt(lcI2) == '1') || (ip1.charAt(lcI2) == '1')) {
resu.append('1');
} else {
resu.append('0');
}
}
broadCastIp[lcI] = resu.toString();
}
return broadCastIp;
}
/**
* Compute binary subnet mask for an IP.
*
* @param anIp
* an IP
* @param aMask
* a mask
* @return the subnet address for this IP/mask
*/
public static String[] getSubnetAddressBinary(String anIp, String aMask) {
String[] ipBin = UtilsNetwork.ipToBinary(anIp);
4000
String[] masqBin = UtilsNetwork.ipToBinary(aMask);
String[] subMasq = new String[ipBin.length];
for (int lcI = 0; lcI < masqBin.length; lcI++) {
String ip0 = ipBin[lcI];
String ip1 = masqBin[lcI];
StringBuilder resu = new StringBuilder();
for (int lcI2 = 0; lcI2 < ip0.length(); lcI2++) {
// Do AND
if ((ip0.charAt(lcI2) == '1') && (ip1.charAt(lcI2) == '1')) {
resu.append('1');
} else {
resu.append('0');
}
}
subMasq[lcI] = resu.toString();
}
return subMasq;
}
/**
* Transform an IP into its binary representation.
*
* @param anIp
* an IP
* @return the binary representation of the IP
*/
public static String[] ipToBinary(String anIp) {
String[] ipArray = anIp.split("\\.");
String[] ipBin = new String[ipArray.length];
for (int lcJ = 0; lcJ < ipBin.length; lcJ++) {
ipBin[lcJ] = Integer.toBinaryString(Integer.parseInt(ipArray[lcJ]));
if (ipBin[lcJ].length() < 8) {
int nb0 = 8 - ipBin[lcJ].length();
StringBuilder buff = new StringBuilder();
while (nb0 != 0) {
buff.append('0');
nb0--;
}
ipBin[lcJ] = buff.toString() + ipBin[lcJ];
}
}
return ipBin;
}
}
255.255.255.0这个根据所在的局域网自己设定！！！
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