java 获取服务器设备信息（监控服务器）

package com.system;

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 SystemInfo {
	// 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(); 
		} 
	}	
	public static void main(String[] args) throws SigarException{
		SystemInfo s = new SystemInfo();
//		s.getCpuTotal();
//		s.getEthernetInfo();
//		s.getDefaultIpAddress();
		s.testGetOSInfo();
//		s.getPhysicalMemory();
		System.out.println(getCpuCount());
	}
}