java获取系统信息(cpu,内存,硬盘,进程)的相关方法

gaiwenquan 贡献于2014-03-31

作者 Administrator  创建于2013-12-26 08:42:00   修改者Administrator  修改于2013-12-26 08:42:00字数15516

文档摘要:java服务器状态监控实现 通过Hyperic-hq产品的基础包sigar.jar来实现服务器状态数据的获取。Sigar.jar包是通过本地方法来调用操作系统API来获取系统相关数据。
关键词:

java服务器状态监控实现

通过Hyperic-hq产品的基础包sigar.jar来实现服务器状态数据的获取。Sigar.jar包是通过本地方法来调用操作系统API来获取系统相关数据。Windows操作系统下Sigar.jar依赖sigar-amd64-winnt.dll或sigar-x86-winnt.dll,linux 操作系统下则依赖libsigar-amd64-linux.so或libsigar-x86-linux.so……而Sigar.jar还依赖于jug-asl-2.0.0.jar、log4j-1.2.14.jar、Junit.jar,
Hyperic-hq官方网站:http://www.hyperic.com
Sigar.jar下载地址:http://sigar.hyperic.com

package com.huawei.test;  import java.net.InetAddress;   import java.net.UnknownHostException;   import java.util.Properties;    import org.hyperic.sigar.CpuInfo;   import org.hyperic.sigar.CpuPerc;   import org.hyperic.sigar.FileSystem;   import org.hyperic.sigar.FileSystemUsage;   import org.hyperic.sigar.OperatingSystem;   import org.hyperic.sigar.Sigar;   import org.hyperic.sigar.SigarException;     public class Test {  public static void main(String[] args) throws SigarException,       UnknownHostException   {   OperatingSystem OS = OperatingSystem.getInstance();     System.out.println("=========操作系统========");   // 操作系统内核类型如: 386、486、586等x86   System.out.println("操作系统内核 = " + OS.getArch());   System.out.println("OS.getCpuEndian() = " + OS.getCpuEndian());//   System.out.println("OS.getDataModel() = " + OS.getDataModel());//   // 系统描述   System.out.println("系统描述 = " + OS.getDescription());     // 操作系统类型   System.out.println("系统类型 = " + OS.getName());   // 操作系统的卖主   System.out.println("系统卖主 = " + OS.getVendor());   // 卖主名称   System.out.println("卖主名称 = " + OS.getVendorCodeName());   // 操作系统名称   System.out.println("系统名称 = " + OS.getVendorName());   // 操作系统卖主类型     System.out.println("系统类型 = " + OS.getVendorVersion());   // 操作系统的版本号   System.out.println("版本号 = " + OS.getVersion());     System.out.println("==============cpu===================");   Sigar sigar = new Sigar();   CpuInfo infos[] = sigar.getCpuInfoList();   CpuPerc cpu = sigar.getCpuPerc();   String address = InetAddress.getLocalHost().getHostAddress();   System.out.println("本机IP地址" + address);   fp;   FileSystem fs = fslist[i];       // 分区的盘符名称       System.out.println("fs.getDevName() = " + fs.getDevName());       // 分区的盘符名称       //System.out.println("fs.getDirName() = " + fs.getDirName());             // 文件系统类型,比如 FAT32、NTFS       System.out.println("fs.getSysTypeName() = " + fs.getSysTypeName());       // 文件系统类型名,比如本地硬盘、光驱、网络文件系统等       System.out.println("fs.getTypeName() = " + fs.getTypeName());       // 文件系统类型             FileSystemUsage usage = sigar.getFileSystemUsage(fs.getDirName());       String sub = fs.getDevName().substring(0, 1);       // 文件系统总大小       System.out.println(" 硬盘 " + sub + "=" + usage.getTotal() / 1024               / 1024 + "GB");             // 文件系统剩余大小       System.out.println(" 硬盘剩余大小= " + usage.getFree() / 1024 / 1024               + "GB");       // 文件系统可用大小       System.out.println(" 硬盘可用大小 = " + usage.getAvail() / 1024 / 1024               + "GB");       // 文件系统已经使用量       System.out.println(" 经使用量 = " + usage.getUsed() / 1024 / 1024               + "GB");       double usePercent = usage.getUsePercent() * 100D;       // 文件系统资源的利用率       System.out.println(" 利用率 = " + usePercent + "%");             System.out.println(" DiskReads = " + usage.getDiskReads());         System.out.println(" DiskWrites = " + usage.getDiskWrites());   }    if (java.awt.Desktop.isDesktopSupported())   {       try       {           //创建一个URI实例           java.net.URI uri = java.net.URI.create("http://cn.bing.com/");           //获取当前系统桌面扩展           java.awt.Desktop dp = java.awt.Desktop.getDesktop();           //获得系统属性集              Properties props = System.getProperties();           //操作系统名称              String osName = props.getProperty("os.name");           System.out.println("操作系统名称:" + osName);           //操作系统构架              String osArch = props.getProperty("os.arch");           System.out.println("系统架构:" + osArch);           //操作系统版本           String osVersion = props.getProperty("os.version");           System.out.println("操作系统版本:" + osVersion);           //Java安装目录           String home = props.getProperty("java.home");           System.out.println("java安装目录:" + home);           //用户的账户名称           String user = props.getProperty("user.home");           System.out.println("用户帐户名称:" + user);           //Java 运行时环境规范名称           String version = props.getProperty("java.specification.name");           System.out.println("Java 运行时环境规范名称 :" + version);           //获取当前jdk的版本号           String number = props.getProperty("java.specification.version");           System.out.println("jdk的版本号:" + number);                     //判断系统桌面是否支持要执行的功能           if (dp.isSupported(java.awt.Desktop.Action.BROWSE))           {               //获取系统默认浏览器打开链接               dp.browse(uri);               }       }         catch (java.lang.NullPointerException e)       {           //此为uri为空时抛出异常       }       catch (java.io.IOException e)       {           //此为无法获取系统默认浏览器       }       }   }  }          采用sigar.jar实现,需要将sigar-x86-winnt.dll、sigar-x86-winnt.lib放到系统的ClassPath中,同样支持Linux系统,需要加入libsigar-x86-linux.so到类路径中,    Java代码  1. import java.net.InetAddress;    2. import java.net.UnknownHostException;    3.     4. import org.hyperic.sigar.CpuInfo;    5. import org.hyperic.sigar.CpuPerc;    6. import org.hyperic.sigar.FileSystem;    7. import org.hyperic.sigar.FileSystemUsage;    8. import org.hyperic.sigar.Mem;    9. import org.hyperic.sigar.NetFlags;    10. import org.hyperic.sigar.NetInterfaceConfig;    11. import org.hyperic.sigar.NetInterfaceStat;    12. import org.hyperic.sigar.OperatingSystem;    13. import org.hyperic.sigar.Sigar;    14. import org.hyperic.sigar.SigarException;    15. import org.hyperic.sigar.SigarNotImplementedException;    16. import org.hyperic.sigar.Swap;    17.     18. public class SysInfo {    19.     // 1.CPU资源信息     20.     // a)CPU数量(单位:个)     21.     public static int getCpuCount() throws SigarException {    22.         Sigar sigar = new Sigar();    23.         try {    24.             return sigar.getCpuInfoList().length;    25.         } finally {    26.             sigar.close();    27.         }    28.     }    29.     30.     // b)CPU的总量(单位:HZ)及CPU的相关信息     31.     public void getCpuTotal() {    32.         Sigar sigar = new Sigar();    33.         CpuInfo[] infos;    34.         try {    35.             infos = sigar.getCpuInfoList();    36.             for (int i = 0; i < infos.length; i++) {// 不管是单块CPU还是多CPU都适用     37.                 CpuInfo info = infos;    38.                 System.out.println("mhz=" + info.getMhz());// CPU的总量MHz     39.                 System.out.println("vendor=" + info.getVendor());// 获得CPU的卖主,如:Intel     40.                 System.out.println("model=" + info.getModel());// 获得CPU的类别,如:Celeron     41.                 System.out.println("cache size=" + info.getCacheSize());// 缓冲存储器数量     42.             }    43.         } catch (SigarException e) {    44.             e.printStackTrace();    45.         }    46.     }    47.     48.     // c)CPU的用户使用量、系统使用剩余量、总的剩余量、总的使用占用量等(单位:100%)     49.     public void testCpuPerc() {    50.         Sigar sigar = new Sigar();    51.         // 方式一,主要是针对一块CPU的情况     52.         CpuPerc cpu;    53.         try {    54.             cpu = sigar.getCpuPerc();    55.             printCpuPerc(cpu);    56.         } catch (SigarException e) {    57.             e.printStackTrace();    58.         }    59.         // 方式二,不管是单块CPU还是多CPU都适用     60.         CpuPerc cpuList[] = null;    61.         try {    62.             cpuList = sigar.getCpuPercList();    63.         } catch (SigarException e) {    64.             e.printStackTrace();    65.             return;    66.         }    67.         for (int i = 0; i < cpuList.length; i++) {    68.             printCpuPerc(cpuList);    69.         }    70.     }    71.     72.     private void printCpuPerc(CpuPerc cpu) {    73.         System.out.println("User :" + CpuPerc.format(cpu.getUser()));// 用户使用率     74.         System.out.println("Sys :" + CpuPerc.format(cpu.getSys()));// 系统使用率     75.         System.out.println("Wait :" + CpuPerc.format(cpu.getWait()));// 当前等待率     76.         System.out.println("Nice :" + CpuPerc.format(cpu.getNice()));//     77.         System.out.println("Idle :" + CpuPerc.format(cpu.getIdle()));// 当前空闲率     78.         System.out.println("Total :" + CpuPerc.format(cpu.getCombined()));// 总的使用率     79.     }    80.     81.     // 2.内存资源信息     82.     public void getPhysicalMemory() {    83.         // a)物理内存信息     84.         Sigar sigar = new Sigar();    85.         Mem mem;    86.         try {    87.             mem = sigar.getMem();    88.             // 内存总量     89.             System.out.println("Total = " + mem.getTotal() / 1024L + "K av");    90.             // 当前内存使用量     91.             System.out.println("Used = " + mem.getUsed() / 1024L + "K used");    92.             // 当前内存剩余量     93.             System.out.println("Free = " + mem.getFree() / 1024L + "K free");    94.             // b)系统页面文件交换区信息     95.             Swap swap = sigar.getSwap();    96.             // 交换区总量     97.             System.out.println("Total = " + swap.getTotal() / 1024L + "K av");    98.             // 当前交换区使用量     99.             System.out.println("Used = " + swap.getUsed() / 1024L + "K used");    100.             // 当前交换区剩余量     101.             System.out.println("Free = " + swap.getFree() / 1024L + "K free");    102.         } catch (SigarException e) {    103.             e.printStackTrace();    104.         }    105.     }    106.     107.     // 3.操作系统信息     108.     // a)取到当前操作系统的名称:     109.     public String getPlatformName() {    110.         String hostname = "";    111.         try {    112.             hostname = InetAddress.getLocalHost().getHostName();    113.         } catch (Exception exc) {    114.             Sigar sigar = new Sigar();    115.             try {    116.                 hostname = sigar.getNetInfo().getHostName();    117.             } catch (SigarException e) {    118.                 hostname = "localhost.unknown";    119.             } finally {    120.                 sigar.close();    121.             }    122.         }    123.         return hostname;    124.     }    125.     126.     // b)取当前操作系统的信息     127.     public void testGetOSInfo() {    128.         OperatingSystem OS = OperatingSystem.getInstance();    129.         // 操作系统内核类型如: 386、486、586等x86     130.         System.out.println("OS.getArch() = " + OS.getArch());    131.         System.out.println("OS.getCpuEndian() = " + OS.getCpuEndian());//     132.         System.out.println("OS.getDataModel() = " + OS.getDataModel());//     133.         // 系统描述     134.         System.out.println("OS.getDescription() = " + OS.getDescription());    135.         System.out.println("OS.getMachine() = " + OS.getMachine());//     136.         // 操作系统类型     137.         System.out.println("OS.getName() = " + OS.getName());    138.         System.out.println("OS.getPatchLevel() = " + OS.getPatchLevel());//     139.         // 操作系统的卖主     140.         System.out.println("OS.getVendor() = " + OS.getVendor());    141.         // 卖主名称     142.         System.out.println("OS.getVendorCodeName() = " + OS.getVendorCodeName());    143.         // 操作系统名称     144.         System.out.println("OS.getVendorName() = " + OS.getVendorName());    145.         // 操作系统卖主类型     146.         System.out.println("OS.getVendorVersion() = " + OS.getVendorVersion());    147.         // 操作系统的版本号     148.         System.out.println("OS.getVersion() = " + OS.getVersion());    149.     }    150.     151.     // c)取当前系统进程表中的用户信息     152.     public void testWho() {    153.         try {    154.             Sigar sigar = new Sigar();    155.             org.hyperic.sigar.Who[] who = sigar.getWhoList();    156.             if (who != null && who.length > 0) {    157.                 for (int i = 0; i < who.length; i++) {    158.                     System.out.println("\n~~~~~~~~~" + String.valueOf(i) + "~~~~~~~~~");    159.                     org.hyperic.sigar.Who _who = who;    160.                     System.out.println("getDevice() = " + _who.getDevice());    161.                     System.out.println("getHost() = " + _who.getHost());    162.                     System.out.println("getTime() = " + _who.getTime());    163.                     // 当前系统进程表中的用户名     164.                     System.out.println("getUser() = " + _who.getUser());    165.                 }    166.             }    167.         } catch (SigarException e) {    168.             e.printStackTrace();    169.         }    170.     }    171.     172.     // 4.资源信息(主要是硬盘)     173.     // a)取硬盘已有的分区及其详细信息(通过sigar.getFileSystemList()来获得FileSystem列表对象,然后对其进行编历):     174.     public void testFileSystemInfo() throws Exception {    175.         Sigar sigar = new Sigar();    176.         FileSystem fslist[] = sigar.getFileSystemList();    177.         // String dir = System.getProperty("user.home");// 当前用户文件夹路径     178.         for (int i = 0; i < fslist.length; i++) {    179.             System.out.println("\n~~~~~~~~~~" + i + "~~~~~~~~~~");    180.             FileSystem fs = fslist;    181.             // 分区的盘符名称     182.             System.out.println("fs.getDevName() = " + fs.getDevName());    183.             // 分区的盘符名称     184.             System.out.println("fs.getDirName() = " + fs.getDirName());    185.             System.out.println("fs.getFlags() = " + fs.getFlags());//     186.             // 文件系统类型,比如 FAT32、NTFS     187.             System.out.println("fs.getSysTypeName() = " + fs.getSysTypeName());    188.             // 文件系统类型名,比如本地硬盘、光驱、网络文件系统等     189.             System.out.println("fs.getTypeName() = " + fs.getTypeName());    190.             // 文件系统类型     191.             System.out.println("fs.getType() = " + fs.getType());    192.             FileSystemUsage usage = null;    193.             try {    194.                 usage = sigar.getFileSystemUsage(fs.getDirName());    195.             } catch (SigarException e) {    196.                 if (fs.getType() == 2)    197.                     throw e;    198.                 continue;    199.             }    200.             switch (fs.getType()) {    201.             case 0: // TYPE_UNKNOWN :未知     202.                 break;    203.             case 1: // TYPE_NONE     204.                 break;    205.             case 2: // TYPE_LOCAL_DISK : 本地硬盘     206.                 // 文件系统总大小     207.                 System.out.println(" Total = " + usage.getTotal() + "KB");    208.                 // 文件系统剩余大小     209.                 System.out.println(" Free = " + usage.getFree() + "KB");    210.                 // 文件系统可用大小     211.                 System.out.println(" Avail = " + usage.getAvail() + "KB");    212.                 // 文件系统已经使用量     213.                 System.out.println(" Used = " + usage.getUsed() + "KB");    214.                 double usePercent = usage.getUsePercent() * 100D;    215.                 // 文件系统资源的利用率     216.                 System.out.println(" Usage = " + usePercent + "%");    217.                 break;    218.             case 3:// TYPE_NETWORK :网络     219.                 break;    220.             case 4:// TYPE_RAM_DISK :闪存     221.                 break;    222.             case 5:// TYPE_CDROM :光驱     223.                 break;    224.             case 6:// TYPE_SWAP :页面交换     225.                 break;    226.             }    227.             System.out.println(" DiskReads = " + usage.getDiskReads());    228.             System.out.println(" DiskWrites = " + usage.getDiskWrites());    229.         }    230.         return;    231.     }    232.     233.     // 5.网络信息     234.     // a)当前机器的正式域名     235.     public String getFQDN() {    236.         Sigar sigar = null;    237.         try {    238.             return InetAddress.getLocalHost().getCanonicalHostName();    239.         } catch (UnknownHostException e) {    240.             try {    241.                 sigar = new Sigar();    242.                 return sigar.getFQDN();    243.             } catch (SigarException ex) {    244.                 return null;    245.             } finally {    246.                 sigar.close();    247.             }    248.         }    249.     }    250.     251.     // b)取到当前机器的IP地址     252.     public String getDefaultIpAddress() {    253.         String address = null;    254.         try {    255.             address = InetAddress.getLocalHost().getHostAddress();    256.             // 没有出现异常而正常当取到的IP时,如果取到的不是网卡循回地址时就返回     257.             // 否则再通过Sigar工具包中的方法来获取     258.             if (!NetFlags.LOOPBACK_ADDRESS.equals(address)) {    259.                 return address;    260.             }    261.         } catch (UnknownHostException e) {    262.             // hostname not in DNS or /etc/hosts     263.         }    264.         Sigar sigar = new Sigar();    265.         try {    266.             address = sigar.getNetInterfaceConfig().getAddress();    267.         } catch (SigarException e) {    268.             address = NetFlags.LOOPBACK_ADDRESS;    269.         } finally {    270.             sigar.close();    271.         }    272.         return address;    273.     }    274.     275.     // c)取到当前机器的MAC地址     276.     public String getMAC() {    277.         Sigar sigar = null;    278.         try {    279.             sigar = new Sigar();    280.             String[] ifaces = sigar.getNetInterfaceList();    281.             String hwaddr = null;    282.             for (int i = 0; i < ifaces.length; i++) {    283.                 NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(ifaces);    284.                 if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress()) || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0    285.                         || NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) {    286.                     continue;    287.                 }    288.                 /*  289.                  * 如果存在多张网卡包括虚拟机的网卡,默认只取第一张网卡的MAC地址,如果要返回所有的网卡(包括物理的和虚拟的)则可以修改方法的返回类型为数组或Collection  290.                  * ,通过在for循环里取到的多个MAC地址。  291.                  */    292.                 hwaddr = cfg.getHwaddr();    293.                 break;    294.             }    295.             return hwaddr != null ? hwaddr : null;    296.         } catch (Exception e) {    297.             return null;    298.         } finally {    299.             if (sigar != null)    300.                 sigar.close();    301.         }    302.     }    303.     304.     // d)获取网络流量等信息     305.     public void testNetIfList() throws Exception {    306.         Sigar sigar = new Sigar();    307.         String ifNames[] = sigar.getNetInterfaceList();    308.         for (int i = 0; i < ifNames.length; i++) {    309.             String name = ifNames;    310.             NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig(name);    311.             print("\nname = " + name);// 网络设备名     312.             print("Address = " + ifconfig.getAddress());// IP地址     313.             print("Netmask = " + ifconfig.getNetmask());// 子网掩码     314.             if ((ifconfig.getFlags() & 1L) <= 0L) {    315.                 print("!IFF_UP...skipping getNetInterfaceStat");    316.                 continue;    317.             }    318.             try {    319.                 NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name);    320.                 print("RxPackets = " + ifstat.getRxPackets());// 接收的总包裹数     321.                 print("TxPackets = " + ifstat.getTxPackets());// 发送的总包裹数     322.                 print("RxBytes = " + ifstat.getRxBytes());// 接收到的总字节数     323.                 print("TxBytes = " + ifstat.getTxBytes());// 发送的总字节数     324.                 print("RxErrors = " + ifstat.getRxErrors());// 接收到的错误包数     325.                 print("TxErrors = " + ifstat.getTxErrors());// 发送数据包时的错误数     326.                 print("RxDropped = " + ifstat.getRxDropped());// 接收时丢弃的包数     327.                 print("TxDropped = " + ifstat.getTxDropped());// 发送时丢弃的包数     328.             } catch (SigarNotImplementedException e) {    329.             } catch (SigarException e) {    330.                 print(e.getMessage());    331.             }    332.         }    333.     }    334.     335.     void print(String msg) {    336.         System.out.println(msg);    337.     }    338.     339.     // e)一些其他的信息     340.     public void getEthernetInfo() {    341.         Sigar sigar = null;    342.         try {    343.             sigar = new Sigar();    344.             String[] ifaces = sigar.getNetInterfaceList();    345.             for (int i = 0; i < ifaces.length; i++) {    346.                 NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(ifaces);    347.                 if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress()) || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0    348.                         || NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) {    349.                     continue;    350.                 }    351.                 System.out.println("cfg.getAddress() = " + cfg.getAddress());// IP地址     352.                 System.out.println("cfg.getBroadcast() = " + cfg.getBroadcast());// 网关广播地址     353.                 System.out.println("cfg.getHwaddr() = " + cfg.getHwaddr());// 网卡MAC地址     354.                 System.out.println("cfg.getNetmask() = " + cfg.getNetmask());// 子网掩码     355.                 System.out.println("cfg.getDescription() = " + cfg.getDescription());// 网卡描述信息     356.                 System.out.println("cfg.getType() = " + cfg.getType());//     357.                 System.out.println("cfg.getDestination() = " + cfg.getDestination());    358.                 System.out.println("cfg.getFlags() = " + cfg.getFlags());//     359.                 System.out.println("cfg.getMetric() = " + cfg.getMetric());    360.                 System.out.println("cfg.getMtu() = " + cfg.getMtu());    361.                 System.out.println("cfg.getName() = " + cfg.getName());    362.                 System.out.println();    363.             }    364.         } catch (Exception e) {    365.             System.out.println("Error while creating GUID" + e);    366.         } finally {    367.             if (sigar != null)    368.                 sigar.close();    369.         }    370.     }    371.     372.     public static void main(String[] arg) {    373.         try {    374.             SysInfo s = new SysInfo();    375.             s.getCpuTotal();    376.             s.getPhysicalMemory();    377.             s.testGetOSInfo();    378.             s.testWho();    379.             s.testFileSystemInfo();    380.             s.testNetIfList();    381.             s.getEthernetInfo();    382.         } catch (Exception e) {    383.             // TODO Auto-generated catch block     384.             e.printStackTrace();    385.         }    386.     }    387. }    

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