import java.net.InetAddress;
import java.net.UnknownHostException;
import org.hyperic.sigar.CpuInfo;
import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.FileSystem;
import org.hyperic.sigar.FileSystemUsage;
import org.hyperic.sigar.Mem;
import org.hyperic.sigar.NetFlags;
import org.hyperic.sigar.NetInterfaceConfig;
import org.hyperic.sigar.NetInterfaceStat;
import org.hyperic.sigar.OperatingSystem;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarNotImplementedException;
import org.hyperic.sigar.Swap;
public class SysInfo {
// 1.CPU资源信息
// a)CPU数量(单位:个)
public static int getCpuCount() throws SigarException {
Sigar sigar = new Sigar();
try {
return sigar.getCpuInfoList().length;
} finally {
sigar.close();
}
}
// b)CPU的总量(单位:HZ)及CPU的相关信息
public void getCpuTotal() {
Sigar sigar = new Sigar();
CpuInfo[] infos;
try {
infos = sigar.getCpuInfoList();
for (int i = 0; i < infos.length; i++) {// 不管是单块CPU还是多CPU都适用
CpuInfo info = infos[i];
System.out.println("mhz=" + info.getMhz());// CPU的总量MHz
System.out.println("vendor=" + info.getVendor());// 获得CPU的卖主,如:Intel
System.out.println("model=" + info.getModel());// 获得CPU的类别,如:Celeron
System.out.println("cache size=" + info.getCacheSize());// 缓冲存储器数量
}
} catch (SigarException e) {
e.printStackTrace();
}
}
// 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%)
public void testCpuPerc() {
Sigar sigar = new Sigar();
// 方式一,主要是针对一块CPU的情况
CpuPerc cpu;
try {
cpu = sigar.getCpuPerc();
printCpuPerc(cpu);
} catch (SigarException e) {
e.printStackTrace();
}
// 方式二,不管是单块CPU还是多CPU都适用
CpuPerc cpuList[] = null;
try {
cpuList = sigar.getCpuPercList();
} catch (SigarException e) {
e.printStackTrace();
return;
}
for (int i = 0; i < cpuList.length; i++) {
printCpuPerc(cpuList[i]);
}
}
private void printCpuPerc(CpuPerc cpu) {
System.out.println("User :" + CpuPerc.format(cpu.getUser()));// 用户使用率
System.out.println("Sys :" + CpuPerc.format(cpu.getSys()));// 系统使用率
System.out.println("Wait :" + CpuPerc.format(cpu.getWait()));// 当前等待率
System.out.println("Nice :" + CpuPerc.format(cpu.getNice()));//
System.out.println("Idle :" + CpuPerc.format(cpu.getIdle()));// 当前空闲率
System.out.println("Total :" + CpuPerc.format(cpu.getCombined()));// 总的使用率
}
// 2.内存资源信息
public void getPhysicalMemory() {
// a)物理内存信息
Sigar sigar = new Sigar();
Mem mem;
try {
mem = sigar.getMem();
// 内存总量
System.out.println("Total = " + mem.getTotal() / 1024L + "K av");
// 当前内存使用量
System.out.println("Used = " + mem.getUsed() / 1024L + "K used");
// 当前内存剩余量
System.out.println("Free = " + mem.getFree() / 1024L + "K free");
// b)系统页面文件交换区信息
Swap swap = sigar.getSwap();
// 交换区总量
System.out.println("Total = " + swap.getTotal() / 1024L + "K av");
// 当前交换区使用量
System.out.println("Used = " + swap.getUsed() / 1024L + "K used");
// 当前交换区剩余量
System.out.println("Free = " + swap.getFree() / 1024L + "K free");
} catch (SigarException e) {
e.printStackTrace();
}
}
// 3.操作系统信息
// a)取到当前操作系统的名称:
public String getPlatformName() {
String hostname = "";
try {
hostname = InetAddress.getLocalHost().getHostName();
} catch (Exception exc) {
Sigar sigar = new Sigar();
try {
hostname = sigar.getNetInfo().getHostName();
} catch (SigarException e) {
hostname = "localhost.unknown";
} finally {
sigar.close();
}
}
return hostname;
}
// b)取当前操作系统的信息
public void testGetOSInfo() {
OperatingSystem OS = OperatingSystem.getInstance();
// 操作系统内核类型如: 386、486、586等x86
System.out.println("OS.getArch() = " + OS.getArch());
System.out.println("OS.getCpuEndian() = " + OS.getCpuEndian());//
System.out.println("OS.getDataModel() = " + OS.getDataModel());//
// 系统描述
System.out.println("OS.getDescription() = " + OS.getDescription());
System.out.println("OS.getMachine() = " + OS.getMachine());//
// 操作系统类型
System.out.println("OS.getName() = " + OS.getName());
System.out.println("OS.getPatchLevel() = " + OS.getPatchLevel());//
// 操作系统的卖主
System.out.println("OS.getVendor() = " + OS.getVendor());
// 卖主名称
System.out
.println("OS.getVendorCodeName() = " + OS.getVendorCodeName());
// 操作系统名称
System.out.println("OS.getVendorName() = " + OS.getVendorName());
// 操作系统卖主类型
System.out.println("OS.getVendorVersion() = " + OS.getVendorVersion());
// 操作系统的版本号
System.out.println("OS.getVersion() = " + OS.getVersion());
}
// c)取当前系统进程表中的用户信息
public void testWho() {
try {
Sigar sigar = new Sigar();
org.hyperic.sigar.Who[] who = sigar.getWhoList();
if (who != null && who.length > 0) {
for (int i = 0; i < who.length; i++) {
System.out.println("\n~~~~~~~~~" + String.valueOf(i)+ "~~~~~~~~~");
org.hyperic.sigar.Who _who = who[i];
System.out.println("getDevice() = " + _who.getDevice());
System.out.println("getHost() = " + _who.getHost());
System.out.println("getTime() = " + _who.getTime());
// 当前系统进程表中的用户名
System.out.println("getUser() = " + _who.getUser());
}
}
} catch (SigarException e) {
e.printStackTrace();
}
}
// 4.资源信息(主要是硬盘)
// 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):
public void testFileSystemInfo() throws Exception {
Sigar sigar = new Sigar();
FileSystem fslist[] = sigar.getFileSystemList();
//String dir = System.getProperty("user.home");// 当前用户文件夹路径
for (int i = 0; i < fslist.length; i++) {
System.out.println("\n~~~~~~~~~~" + i + "~~~~~~~~~~");
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());
System.out.println("fs.getFlags() = " + fs.getFlags());//
// 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
System.out.println("fs.getType() = " + fs.getType());
FileSystemUsage usage = null;
try {
usage = sigar.getFileSystemUsage(fs.getDirName());
} catch (SigarException e) {
if (fs.getType() == 2)
throw e;
continue;
}
switch (fs.getType()) {
case 0: // TYPE_UNKNOWN :未知
break;
case 1: // TYPE_NONE
break;
case 2: // TYPE_LOCAL_DISK : 本地硬盘
// 文件系统总大小
System.out.println(" Total = " + usage.getTotal() + "KB");
// 文件系统剩余大小
System.out.println(" Free = " + usage.getFree() + "KB");
// 文件系统可用大小
System.out.println(" Avail = " + usage.getAvail() + "KB");
// 文件系统已经使用量
System.out.println(" Used = " + usage.getUsed() + "KB");
double usePercent = usage.getUsePercent() * 100D;
// 文件系统资源的利用率
System.out.println(" Usage = " + usePercent + "%");
break;
case 3:// TYPE_NETWORK :网络
break;
case 4:// TYPE_RAM_DISK :闪存
break;
case 5:// TYPE_CDROM :光驱
break;
case 6:// TYPE_SWAP :页面交换
break;
}
System.out.println(" DiskReads = " + usage.getDiskReads());
System.out.println(" DiskWrites = " + usage.getDiskWrites());
}
return;
}
// 5.网络信息
// a)当前机器的正式域名
public String getFQDN() {
Sigar sigar
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