本文实例讲述了java获取服务器基本信息的方法。分享给大家供大家参考。具体如下:
利用第三方的jar包:(Hyperic-hq官方网站:http://www.hyperic.com) 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
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 = null ; try { return InetAddress.getLocalHost().getCanonicalHostName(); } catch (UnknownHostException e) { try { sigar = new Sigar(); return sigar.getFQDN(); } catch (SigarException ex) { return null ; } finally { sigar.close(); } } } // b)取到当前机器的IP地址 public String getDefaultIpAddress() { String address = null ; try { address = InetAddress.getLocalHost().getHostAddress(); // 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 // 否则再通过Sigar工具包中的方法来获取 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)取到当前机器的MAC地址 public String getMAC() { Sigar sigar = null ; try { sigar = new Sigar(); String[] ifaces = sigar.getNetInterfaceList(); String hwaddr = 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 ; } /* * 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 * ,通过在for循环里取到的多个MAC地址。 */ hwaddr = cfg.getHwaddr(); break ; } return hwaddr != null hwaddr : null ; } catch (Exception e) { return null ; } finally { if (sigar != null ) sigar.close(); } } // d)获取网络流量等信息 public void testNetIfList() throws Exception { Sigar sigar = new Sigar(); String ifNames[] = sigar.getNetInterfaceList(); for ( int i = 0 ; i < ifNames.length; i++) { String name = ifNames[i]; NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig(name); print( "\nname = " + name); // 网络设备名 print( "Address = " + ifconfig.getAddress()); // IP地址 print( "Netmask = " + ifconfig.getNetmask()); // 子网掩码 if ((ifconfig.getFlags() & 1L) <= 0L) { print( "!IFF_UP...skipping getNetInterfaceStat" ); continue ; } try { NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name); print( "RxPackets = " + ifstat.getRxPackets()); // 接收的总包裹数 print( "TxPackets = " + ifstat.getTxPackets()); // 发送的总包裹数 print( "RxBytes = " + ifstat.getRxBytes()); // 接收到的总字节数 print( "TxBytes = " + ifstat.getTxBytes()); // 发送的总字节数 print( "RxErrors = " + ifstat.getRxErrors()); // 接收到的错误包数 print( "TxErrors = " + ifstat.getTxErrors()); // 发送数据包时的错误数 print( "RxDropped = " + ifstat.getRxDropped()); // 接收时丢弃的包数 print( "TxDropped = " + ifstat.getTxDropped()); // 发送时丢弃的包数 } catch (SigarNotImplementedException e) { } catch (SigarException e) { print(e.getMessage()); } } } void print(String msg) { System.out.println(msg); } // e)一些其他的信息 public void 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()); // 网关广播地址 System.out.println( "cfg.getHwaddr() = " + cfg.getHwaddr()); // 网卡MAC地址 System.out.println( "cfg.getNetmask() = " + cfg.getNetmask()); // 子网掩码 System.out.println( "cfg.getDescription() = " + cfg.getDescription()); // 网卡描述信息 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 while creating GUID" + e); } finally { if (sigar != null ) sigar.close(); } } } |
希望本文所述对大家的java程序设计有所帮助。