java 代码ping ip地址,Java代码ping ip工具类

最新推荐文章于 2021-05-17 22:36:53 发布

转载最新推荐文章于 2021-05-17 22:36:53 发布 · 167 阅读

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#java 代码ping ip地址

本文介绍了一个Java类PingUtil，用于执行Linux ping命令获取IP地址的完整响应信息，并通过解析结果判断IP是否在线。核心方法包括执行ping命令和解析结果判断。

package com.v.photos.utils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.nio.charset.Charset;

/**

* @Author：孙创业

* @Date：2019/10/29 18:13

public class PingUtil {

private static Logger logger = LoggerFactory.getLogger(PingUtil.class);

/**ping ipaddress 完整返回信息*/

public static String executeLinuxCmd(String ipAddress, int pingTimes, int timeOut) {

Runtime run = Runtime.getRuntime();

String pingCommand;

try {

String osName = System.getProperty("os.name");

if(osName.contains("Windows")){

pingCommand = "ping " + ipAddress + " -n " + pingTimes + " -w " + timeOut;

}else{

pingCommand = "ping " + " -c " + "4" + " -w " + "2 " + ipAddress;

}

Process process = run.exec(pingCommand);

InputStream in = process.getInputStream();

BufferedReader bs = new BufferedReader(new InputStreamReader(in, Charset.forName("GBK")));

StringBuffer out = new StringBuffer();

String content = null;

while ((content = bs.readLine()) != null) {

out.append(content + "\n");

}

in.close();

process.destroy();

return out.toString();

} catch (IOException e) {

e.printStackTrace();

}

return null;

}

/**ping ipaddress 完整返回true在线 false离线*/

public static boolean ping(String ipAddress, int pingTimes, int timeOut) {

BufferedReader in = null;

String pingCommand;

Runtime r = Runtime.getRuntime();

String osName = System.getProperty("os.name");

if(osName.contains("Windows")){

pingCommand = "ping " + ipAddress + " -n " + pingTimes + " -w " + timeOut;

}else{

pingCommand = "ping " + " -c " + "4" + " -w " + "2 " + ipAddress;

}

try {

Process p = r.exec(pingCommand);

if (p == null) {

return false;

}

in = new BufferedReader(new InputStreamReader(p.getInputStream()));

int connectedCount = 0;

String line;

while ((line = in.readLine()) != null) {

connectedCount += getCheckResult(line,osName);

}

return connectedCount >= 2 ? true : false;

} catch (Exception ex) {

ex.printStackTrace(); //出现异常则返回假

return false;

} finally {

try {

in.close();

} catch (IOException e) {

e.printStackTrace();

}

private static int getCheckResult(String line,String osName) {

if(osName.contains("Windows")){

if(line.contains("TTL=")){

return 1;

}

}else{

if(line.contains("ttl=")){

return 1;

}

return 0;

}

public static void main(String args[]) {

//String ping = executeLinuxCmd("10.3.149.27", 2, 1);

String ping = executeLinuxCmd("10.4.8.144", 2, 1);

System.out.println(ping);

//boolean ping1 = ping("10.3.149.27", 2, 1);

boolean ping1 = ping("10.4.88.144", 2, 1);

System.out.println("盒子IP地址：" + "10.4.8.144" + (ping1 ? "在线" : "下线"));

}