JAVA获得硬件使用信息

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http://sharejava.iteye.com/blog/1221048

采用singar.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，



singar项目网站：http://support.hyperic.com/display/SIGAR/Home

代码：







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[i]; 
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[i]); 
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[i]; 
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[i]; 
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[i]); 
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[i]; 
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[i]); 
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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