package jef.jre5support;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.net.InetAddress;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.ServerSocket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import jef.common.log.LogUtil;
import jef.tools.IOUtils;
import jef.tools.StringUtils;
import jef.tools.management.OperatingSystemMXBean;
/**
* 跟进程相关的以及环境相关的若干工具方法
*
* 这个工具类中还有若干和网络地址相关方法，比如获取本机的网络信息，空闲端口等
* @author Administrator
* 部分功能使用了JDK 1.6中的方法，因此本类的使用范围要求JDK 1.6
* @since 1.6
*/
public class ProcessUtil {
private static final int processId;
private static final String hostname;
private static final long startTime;
private static String mac;
static {
RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
String name = runtime.getName(); // format: "pid@hostname"
processId = Integer.parseInt(name.substring(0, name.indexOf('@')));
hostname = name.substring(name.indexOf('@') + 1);
startTime=runtime.getStartTime();
}
/**
* 获取进程号
* @return
*/
public static int getPid() {
return processId;
}
/**
* 网络适配器信息
* @author Administrator
*
*/
public static class NetworkInfo{
NetworkInterface net;
InetAddress addr;
NetworkInfo(NetworkInterface t) {
this.net=t;
Enumeration<InetAddress> addrs=net.getInetAddresses();
addr=addrs.nextElement();
if(addrs.hasMoreElements()){
LogUtil.warn("The network " + net.getDisplayName()+" has more than one address");
}
}
/**
* 获得广播地址
* @return
*/
public String getBroadcastAddress(){
InterfaceAddress addr=net.getInterfaceAddresses().get(0);
return addr.getBroadcast().getHostAddress();
}
/**
* 获得子网掩码
* @return
*/
public String getMaskAddress(){
InterfaceAddress addr=net.getInterfaceAddresses().get(0);
int add=addr.getNetworkPrefixLength();
String[] s=new String[]{"0","128","192","224","240","248","252","254","255"};
if(add>24){
return "255.255.255."+s[add-24];
}else if(add>16){
return "255.255."+s[add-16]+".0";
}else if(add>8){
return "255."+s[add-8]+".0.0";
}else{
return s[add]+".0.0.0";
}
}
/**
* 获得IP地址
* @return
*/
public String getIpAddress(){
return addr.getHostAddress();
}
/**
* 获得主机名
* @return
*/
public String getHostName(){
return addr.getHostName();
}
/**
* 获得缩写主机名
* @return
*/
public String getCanonicalHostName(){
return addr.getCanonicalHostName();
}
/**
* 获得Mac地址
* 注意JDK有BUG，无线网卡的MAC地址不能获得，会返回有线网卡的MAC地址
* @return
*/
public String getMac(){
try {
return StringUtils.join(net.getHardwareAddress(),'-');
} catch (SocketException e) {
LogUtil.exception(e);
return null;
}
}
/**
* 获得最大传输单元
* @return
*/
public int getMTU(){
try {
return net.getMTU();
} catch (SocketException e) {
LogUtil.exception(e);
return 0;
}
}
/**
* 获得名称
* @return
*/
public String getName(){
return net.getName();
}
/**
* 获得适配器名称
* @return
*/
public String getDisplayName(){
return net.getDisplayName();
}
@Override
public String toString() {
StringBuilder sb=new StringBuilder();
sb.append(getName()).append(' ');
sb.append(getIpAddress()).append('|').append(getHostName());
return sb.toString();
}
}
/**
* 获得现有活动的网络连接信息。未连接的不会在这里出现
* lo 127.0.0.1也不会在这里出现
* @return
*/
public static NetworkInfo[] getActiveNetwork(){
Enumeration<NetworkInterface> nets;
try{
nets=NetworkInterface.getNetworkInterfaces();
}catch(IOException e){
throw new RuntimeException(e);
}
List<NetworkInfo> n=new ArrayList<NetworkInfo>();
while(nets.hasMoreElements()){
NetworkInterface t=nets.nextElement();
try{
byte[] mac=t.getHardwareAddress();
if(mac!=null && mac.length==6 && t.getInetAddresses().hasMoreElements()){
n.add(new NetworkInfo(t));
}
}catch(IOException e){
LogUtil.exception("Error while getting network interface "+ t.getName(), e);
}
}
return n.toArray(new NetworkInfo[n.size()]);
}
/**
* 获取进程号
* @return
* @deprecated
* 进程号应该是int类型，请使用getPid();
*/
public static long getProcessId() {
return processId;
}
/**
* 获取JVM启动时间。（毫秒数）
* @return
*/
public static long getStarttime() {
return startTime;
}
/**
* 获取一个空闲端口
* @return
*/
public static int getFreePort(){
ServerSocket serverSocket=null;
try{
serverSocket= new ServerSocket(0); //读取空闲的可用端口
int port = serverSocket.getLocalPort();
return port;
}catch(Exception e){
return 0;
}finally{
if(serverSocket!=null){
try{
serverSocket.close();
}catch(Exception e){
}
}
}
}
/**
* 获取当前主机名
* @return
*/
public static String getHostname() {
return hostname;
}
/**
* 判断当前的操作系统是不是64位的操作系统
* @return
*/
public static boolean is64BitOs(){
return System.getProperty("java.vm.name").indexOf("64")>=0;
}
/**
* 获取当前操作系统名称. return 操作系统名称 例如:windows xp,linux 等.
*/
public static String getOSName() {
return System.getProperty("os.name").toLowerCase();
}
/**
* <p>
* 方法 getLocalIp
* </p>
* 获取本机ip地址
*
* @return
*/
public static String getLocalIp() {
String localIp = null;
try {
localIp = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
LogUtil.exception(e);
}
return localIp;
}
public static String getRemoteIp(String hostName) throws UnknownHostException{
InetAddress addr=InetAddress.getByName(hostName);
return addr.getHostAddress();
}
/**
* <p>
* 方法 getLocalMac
* </p>
* 获取本机MAC地址
*
* @return
*/
public static String getLocalMac() {
if(mac==null){
if (OperatingSystemMXBean.isWindows()) {
mac = getWindowsMACAddress();
} else {
mac = getUnixMACAddress();
}
}
return mac;
}
/**
* 获取unix网卡的mac地址. 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法.
*
* @return mac地址
*/
private static String getUnixMACAddress() {
BufferedReader bufferedReader = null;
Process process = null;
try {
process = Runtime.getRuntime().exec("ifconfig eth0");// linux下的命令，一般取eth0作为本地主网卡显示信息中包含有mac地址信息
bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串[hwaddr]
if (index >= 0) {// 找到了
String mac = line.substring(index + "hwaddr".length() + 1).trim();// 取出mac地址并去除2边空格
return mac;
}
}
} catch (IOException e) {
LogUtil.exception(e);
} finally {
if(process!=null){
process.destroy();
}
IOUtils.closeQuietly(bufferedReader);
}
return "";
}
/**
* 获取widnows网卡的mac地址.
*
* @return mac地址
*/
private static String getWindowsMACAddress() {
BufferedReader reader = null;
Process process = null;
try {
process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息
reader = new BufferedReader(new InputStreamReader(process.getInputStream(),"GB18030"));
String line;
while ((line = reader.readLine()) != null) {
int index = line.toLowerCase().indexOf("physical address");// 寻找标示字符串[physical address]
if(index==-1){
index=line.indexOf("物理地址");
}
if (index >= 0) {// 找到了
index = line.indexOf(":");// 寻找":"的位置
if (index >= 0) {
String mac = line.substring(index + 1).trim();// 取出mac地址并去除2边空格
return mac;
}
}
}
} catch (IOException ex) {
LogUtil.exception(ex);
} finally {
if(process!=null)process.destroy();
IOUtils.closeQuietly(reader);
}
return "";
}
/**
* 获取当前系统的实例信息
* @return
*/
public static String getServerName(){
Properties p=System.getProperties();
String serverName=null;
if (p.containsKey("com.bes.instanceName")){
serverName=p.getProperty("com.bes.instanceName");
}else if (p.containsKey("weblogic.Name")){
serverName=p.getProperty("weblogic.Name");
}else if (p.containsKey("jef.hostName")){
serverName=p.getProperty("jef.hostName");
}
return serverName;
}
}