Hyperic-Sigar是一個收集系統各項底層信息的工具集.他有如下特點:
1. 收集信息全面
收集CPU,MEM,NETWORK,PROCESS,IOSTAT等
使用Sigar,你完全可以模仿出cpuinfo,meminfo,top,free,ifconfig,ipconfig,netstat,route,df,du,ps,ls等多種unix平臺和windows平臺的指令.
2.跨平臺,支持多數平臺
支持的平臺包括:windows系列(32系列,IA64系列,AMD64系列),linux系列,freeBsd系列,HPUnix系列,Sun solaris/Sparc/Sparc64系列,macOs系列,AIX系列等
3.提供的API接口全面
sigar本身由C語言開發而成,提供了豐富的API接口,包括:JAVA,.NET,PERL,PHP,PYTHON,RUBY.Sigar.jar包是通過本地方法來調用操作系統API來獲取系統相關數據。Windows操作系統下Sigar.jar依賴sigar-amd64-winnt.dll或sigar-x86-winnt.dll，linux操作系統下則依賴libsigar-amd64-linux.so或libsigar-x86-linux.so……而Sigar.jar還依賴於jug-asl-2.0.0.jar、log4j-1.2.14.jar、Junit.jar，
Hyperic-hq官方網站：http://www.hyperic.com
Sigar.jar下載地址：http://sigar.hyperic.com
Sigar.jar包的使用方法：
1、 CPU資源信息
a) CPU數量（單位：個）
privatestaticint getCpuCount()throws SigarException {
Sigar sigar = new Sigar();
try {
returnsigar.getCpuInfoList().length;
} finally {
sigar.close();
}
}
b) CPU的總量（單位：HZ）及CPU的相關信息
Sigar sigar = getSigar();
CpuInfo infos[] = sigar.getCpuInfoList();
for (int i = 0; i< infos.length; i++){//不管是單塊CPU還是多CPU都適用
CpuInfo info = infos[i];
traceln("mhz=" +info.getMhz());//CPU的總量MHz
traceln("vendor=" +info.getVendor());//獲得CPU的賣主，如：Intel
traceln("model=" +info.getModel());//獲得CPU的類別，如：Celeron
traceln("cache size=" +info.getCacheSize());//緩衝存儲器數量
}
c) CPU的用戶使用量、系統使用剩餘量、總的剩餘量、總的使用佔用量等（單位：100%）
publicvoid testCpuPerc() {
Sigar sigar= new Sigar();
// 方式一，主要是針對一塊CPU的情況
CpuPerccpu;
try {
cpu =sigar.getCpuPerc();
printCpuPerc(cpu);
}catch (SigarException e) {
e.printStackTrace();
}
//方式二，不管是單塊CPU還是多CPU都適用
CpuPerccpuList[] = null;
try {
cpuList =sigar.getCpuPercList();
}catch (SigarException e) {
e.printStackTrace();
return;
}
for (int i = 0; i< cpuList.length; i++) {
printCpuPerc(cpuList[i]);
}
}
privatevoid printCpuPerc(CpuPerc cpu) {
println("User :" +CpuPerc.format(cpu.getUser()));//用戶使用率
println("Sys :" +CpuPerc.format(cpu.getSys()));// 系統使用率
println("Wait :" +CpuPerc.format(cpu.getWait()));//當前等待率
println("Nice :" +CpuPerc.format(cpu.getNice()));//
println("Idle :" +CpuPerc.format(cpu.getIdle()));//當前空閒率
println("Total :" +CpuPerc.format(cpu.getCombined()));//總的使用率
}
d) ……
2、 內存資源信息
a) 物理內存信息
Sigar sigar = new Sigar();
Mem mem = sigar.getMem();
// 內存總量
System.out.println("Total = " +mem.getTotal() / 1024L + "K av");
// 當前內存使用量
System.out.println("Used = " +mem.getUsed() / 1024L + "K used");
// 當前內存剩餘量
System.out.println("Free = "+ mem.getFree() / 1024L + "K free");
b) 系統頁面文件交換區信息
Sigar sigar = new Sigar();
Swap swap = sigar.getSwap();
// 交換區總量
System.out.println("Total = " +swap.getTotal() / 1024L + "K av");
// 當前交換區使用量
System.out.println("Used = " +swap.getUsed() / 1024L + "K used");
// 當前交換區剩餘量
System.out.println("Free = "+ swap.getFree() / 1024L + "K free");
c) ……
3、 操作系統信息
a) 取到當前操作系統的名稱：
private StringgetPlatformName() {
Stringhostname = "";
try {
hostname =InetAddress.getLocalHost().getHostName();
}catch (Exception exc) {
Sigarsigar = new Sigar();
try {
hostname= sigar.getNetInfo().getHostName();
}catch (SigarException e) {
hostname= "localhost.unknown";
}finally {
sigar.close();
}
}
return hostname;
}
b) 取當前操作系統的信息
publicvoid testGetOSInfo() {
OperatingSystemOS =OperatingSystem.getInstance();
// 操作系統內核類型如：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());//
// 系統描述
System.out.println("OS.getDescription()= " + OS.getDescription());
System.out.println("OS.getMachine() =" + OS.getMachine());//
// 操作系統類型
System.out.println("OS.getName() =" + OS.getName());
System.out.println("OS.getPatchLevel()= " + OS.getPatchLevel());//
// 操作系統的賣主
System.out.println("OS.getVendor() =" + OS.getVendor());
// 賣主名稱
System.out.println("OS.getVendorCodeName()= " + OS.getVendorCodeName());
// 操作系統名稱
System.out.println("OS.getVendorName()= " + OS.getVendorName());
// 操作系統賣主類型
System.out.println("OS.getVendorVersion()= " + OS.getVendorVersion());
// 操作系統的版本號
System.out.println("OS.getVersion() =" + OS.getVersion());
}
c) 取當前系統進程表中的用戶信息
publicvoid testWho() {
try {
Sigar sigar= new Sigar();
Who who[] =sigar.getWhoList();
if (who != null&& who.length> 0) {
for (int i = 0; i< who.length; i++) {
Sysout.out.println("\n~~~~~~~~~" +String.valueOf(i) + "~~~~~~~~~");
Who _who =who[i];
Sysout.out.println ("getDevice() = " +_who.getDevice());
Sysout.out.println ("getHost() = " +_who.getHost());
Sysout.out.println ("getTime() = " +_who.getTime());
//當前系統進程表中的用戶名
Sysout.out.println ("getUser() = " +_who.getUser());
}
}
}catch (SigarException e) {
e.printStackTrace();
}
}
d) ……
4、 資源信息（主要是硬盤）
a) 取硬盤已有的分區及其詳細信息（通過sigar.getFileSystemList()來獲得FileSystem列表對象，然後對其進行編歷）：
publicvoid testFileSystemInfo()throws Exception {
Sigar sigar= getSigar();
FileSystemfslist[] = sigar.getFileSystemList();
String dir =System.getProperty("user.home");//當前用戶文件夾路徑
for (int i = 0; i< fslist.length; i++) {
System.out.println("\n~~~~~~~~~~"+ i + "~~~~~~~~~~");
FileSystemfs = fslist[i];
// 分區的盤符名稱
System.out.println("fs.getDevName() =" + fs.getDevName());
// 分區的盤符名稱
System.out.println("fs.getDirName() =" + fs.getDirName());
System.out.println("fs.getFlags() =" + fs.getFlags());//
// 文件系統類型，比如 FAT32、NTFS
System.out.println("fs.getSysTypeName()= " + fs.getSysTypeName());
// 文件系統類型名，比如本地硬盤、光驅、網絡文件系統等
System.out.println("fs.getTypeName() =" + fs.getTypeName());
// 文件系統類型
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 :本地硬盤
// 文件系統總大小
System.out.println(" Total= " + usage.getTotal() + "KB");
// 文件系統剩餘大小
System.out.println(" Free= " + usage.getFree() + "KB");
// 文件系統可用大小
System.out.println(" Avail= " + usage.getAvail() + "KB");
// 文件系統已經使用量
System.out.println(" Used= " + usage.getUsed() + "KB");
double usePercent = usage.getUsePercent() *100D;
// 文件系統資源的利用率
System.out.println(" Usage= " + usePercent + "%");
break;
case 3:// TYPE_NETWORK：網絡
break;
case 4:// TYPE_RAM_DISK：閃存
break;
case 5:// TYPE_CDROM ：光驅
break;
case 6:// TYPE_SWAP ：頁面交換
break;
}
System.out.println(" DiskReads= " + usage.getDiskReads());
System.out.println(" DiskWrites= " + usage.getDiskWrites());
}
return;
}
b) ……
5、 網絡信息
a) 當前機器的正式域名
public StringgetFQDN(){
try {
returnInetAddress.getLocalHost().getCanonicalHostName();
}catch (UnknownHostException e) {
try {
Sigar sigar= new Sigar();
return sigar.getFQDN();
}catch (SigarException ex) {
returnnull;
}finally {
sigar.close();
}
}
}
b) 取到當前機器的IP地址
public StringgetDefaultIpAddress() {
String address = null;
try {
address =InetAddress.getLocalHost().getHostAddress();
//沒有出現異常而正常當取到的IP時，如果取到的不是網卡循回地址時就返回
// 否則再通過Sigar工具包中的方法來獲取
if(!NetFlags.LOOPBACK_ADDRESS.equals(address)){
return address;
}
} catch (UnknownHostException e) {
//hostname not in DNS or /etc/hosts
}
Sigar sigar = new Sigar();
try {
address = sigar.getNetInterfaceConfig().getAddress();
} catch (SigarException e) {
address = NetFlags.LOOPBACK_ADDRESS;
} finally {
sigar.close();
}
return address;
}
c) 取到當前機器的MAC地址
public String getMAC() {
Sigar sigar= null;
try {
sigar =new Sigar();
String[]ifaces = sigar.getNetInterfaceList();
Stringhwaddr = null;
for (int i = 0; i< ifaces.length; i++){
NetInterfaceConfig cfg =sigar.getNetInterfaceConfig(ifaces[i]);
if(NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress())
||(cfg.getFlags() &NetFlags.IFF_LOOPBACK) != 0
||NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())){
continue;
}
hwaddr = cfg.getHwaddr();
break;
}
return hwaddr != null ?hwaddr : null;
}catch (Exception e) {
returnnull;
}finally {
if (sigar !=null)
sigar.close();
}
}
d) 根據MAC地址來獲得一個GUID號
public String getGUID(String mac) {
if (mac ==null)
returnnull;
EthernetAddress eAddr = newEthernetAddress(mac);
returnUUIDGenerator.getInstance().generateTimeBasedUUID(eAddr)
.toString();
}
e) 獲取網絡流量等信息
publicvoid testNetIfList()throws Exception {
Sigar sigar= new Sigar();
StringifNames[] = sigar.getNetInterfaceList();
for (int i = 0; i< ifNames.length; i++) {
String name= ifNames[i];
NetInterfaceConfig ifconfig =sigar.getNetInterfaceConfig(name);
print("\nname = " +name);//網絡設備名
print("Address = "+ifconfig.getAddress());//IP地址
print("Netmask = "+ifconfig.getNetmask());//子網掩碼
if ( (ifconfig.getFlags()& 1L) <= 0L) {
print("!IFF_UP...skippinggetNetInterfaceStat");
continue;
}
try {
NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name);
print("RxPackets = " +ifstat.getRxPackets());//接收的總包裹數
print("TxPackets = " +ifstat.getTxPackets());//發送的總包裹數
print("RxBytes = " +ifstat.getRxBytes());//接收到的總字節數
print("TxBytes = " +ifstat.getTxBytes());//發送的總字節數
print("RxErrors = " +ifstat.getRxErrors());//接收到的錯誤包數
print("TxErrors = " +ifstat.getTxErrors());//發送數據包時的錯誤數
print("RxDropped = " +ifstat.getRxDropped());//接收時丟棄的包數
print("TxDropped = " +ifstat.getTxDropped());//發送時丟棄的包數
}catch (SigarNotImplementedException e){
}catch (SigarException e) {
print(e.getMessage());
}
}
}
void print(String msg){
System.out.println(msg);
}
f) 一些其他的信息
privatevoid getEthernetInfo(){
Sigar sigar= null;
try {
sigar =new Sigar();
String[]ifaces = sigar.getNetInterfaceList();
for (int i = 0; i< ifaces.length; i++) {
NetInterfaceConfig cfg =sigar.getNetInterfaceConfig(ifaces[i]);
if(NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress())
||(cfg.getFlags() &NetFlags.IFF_LOOPBACK) != 0
||NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())){
continue;
}
System.out.println("cfg.getAddress() =" + cfg.getAddress());//IP地址
System.out.println("cfg.getBroadcast()= " + cfg.getBroadcast());//網關廣播地址
System.out.println("cfg.getHwaddr() =" +cfg.getHwaddr());//網卡MAC地址
System.out.println("cfg.getNetmask() =" + cfg.getNetmask());//子網掩碼
System.out.println("cfg.getDescription()= " + cfg.getDescription());//網卡描述信息
System.out.println("cfg.getType() =" + cfg.getType());//
System.out.println("cfg.getDestination()= " + cfg.getDestination());
System.out.println("cfg.getFlags() =" + cfg.getFlags());//
System.out.println("cfg.getMetric() =" + cfg.getMetric());
System.out.println("cfg.getMtu() =" + cfg.getMtu());
System.out.println("cfg.getName() =" + cfg.getName());
System.out.println();
}
}catch (Exception e) {
System.out.println("Error whilecreating GUID" + e);
}finally {
if (sigar !=null)
sigar.close();
}
}