Java如何實現系統監控、系統信息收集(轉

Java如何實現系統監控、系統信息收集、sigar開源API的學習html


系統監控(1)

Jar資源下載:http://download.csdn.net/detail/yixiaoping/4903853


首先給你們介紹一個開源工具Sigar
官網:http://sigar.hyperic.com/

API: http://www.hyperic.com/support/docs/sigar/index-all.html(因爲是英文的,英文很差的能夠用谷歌瀏覽器的翻譯功能,直接轉換爲簡體中文進行閱讀)



Sigar(System Information Gatherer And Reporter),是一個開源的工具,提供了跨平臺的系統信息收集的API,由C語言實現的。能夠收集的信息包括:

1, CPU信息,包括基本信息(vendor、model、mhz、cacheSize)和統計信息(user、sys、idle、nice、wait)
2, 文件系統信息,包括Filesystem、Size、Used、Avail、Use%、Type
3, 事件信息,相似Service Control Manager
4, 內存信息,物理內存和交換內存的總數、使用數、剩餘數;RAM的大小
5, 網絡信息,包括網絡接口信息和網絡路由信息
6, 進程信息,包括每一個進程的內存、CPU佔用數、狀態、參數、句柄
7, IO信息,包括IO的狀態,讀寫大小等
8, 服務狀態信息

9, 系統信息,包括操做系統版本,系統資源限制狀況,系統運行時間以及負載,Java的版本信息等.



Sigar在Java中的使用:

開發時將附件中sigar.rar中的全部文件及jar包放在工程的lib文件夾下。

Java代碼

    package com.test_sigar;   
      
    import java.net.InetAddress;   
    import java.net.UnknownHostException;   
    import java.text.DecimalFormat;   
      
    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 {   
      
        public static void main(String [] args) throws Exception{   
            SysInfo s =new SysInfo();   
            System.out.println("CPU個數:"+s.getCpuCount());   
            s.getCpuTotal();   
            s.testCpuPerc();   
            s.getPhysicalMemory();   
            s.testWho();   
            s.testFileSystemInfo();   
            s.testGetOSInfo();   
        }   
        /**  
         * 1.CPU資源信息  
         */  
           
        // a)CPU數量(單位:個)  
        public static int getCpuCount() throws SigarException {   
            Sigar sigar = new Sigar();   
            try {   
                return sigar.getCpuInfoList().length;   
            } finally {   
                sigar.close();   
            }   
        }   
      
        // b)CPU的總量(單位:HZ)及CPU的相關信息  
        public void getCpuTotal() {   
            Sigar sigar = new Sigar();   
            CpuInfo[] infos;   
            try {   
                infos = sigar.getCpuInfoList();   
                for (int i = 0; i < infos.length; i++) {// 無論是單塊CPU仍是多CPU都適用  
                    CpuInfo info = infos[i];   
                    System.out.println("CPU的總量:" + info.getMhz());// CPU的總量MHz  
                    System.out.println("得到CPU的賣主:" + info.getVendor());// 得到CPU的賣主,如:Intel  
                    System.out.println("CPU的類別:" + info.getModel());// 得到CPU的類別,如:Celeron  
                    System.out.println("緩衝存儲器數量:" + info.getCacheSize());// 緩衝存儲器數量  
                    System.out.println("**************");   
                }   
            } catch (SigarException e) {   
                e.printStackTrace();   
            }   
        }   
      
        // 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%)  
        public void testCpuPerc() {   
            Sigar sigar = new Sigar();   
            // 方式一,主要是針對一塊CPU的狀況  
            CpuPerc cpu;   
            try {   
                cpu = sigar.getCpuPerc();   
                printCpuPerc(cpu);   
            } catch (SigarException e) {   
                e.printStackTrace();   
            }   
            // 方式二,無論是單塊CPU仍是多CPU都適用  
            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("用戶使用率:" + CpuPerc.format(cpu.getUser()));// 用戶使用率  
            System.out.println("系統使用率:" + CpuPerc.format(cpu.getSys()));// 系統使用率  
            System.out.println("當前等待率:" + CpuPerc.format(cpu.getWait()));// 當前等待率  
            System.out.println("Nice :" + CpuPerc.format(cpu.getNice()));//  
            System.out.println("當前空閒率:" + CpuPerc.format(cpu.getIdle()));// 當前空閒率  
            System.out.println("總的使用率:" + CpuPerc.format(cpu.getCombined()));// 總的使用率  
            System.out.println("**************");   
        }   
      
        /**  
         * 2.內存資源信息  
         *  
         */  
           
        public void getPhysicalMemory() {   
            // a)物理內存信息  
            DecimalFormat df = new DecimalFormat("#0.00");   
            Sigar sigar = new Sigar();   
            Mem mem;   
            try {   
                mem = sigar.getMem();   
                // 內存總量  
                System.out.println("內存總量:" + df.format((float)mem.getTotal() / 1024/1024/1024) + "G");   
                // 當前內存使用量  
                System.out.println("當前內存使用量:" + df.format((float)mem.getUsed() / 1024/1024/1024) + "G");   
                // 當前內存剩餘量  
                System.out.println("當前內存剩餘量:" + df.format((float)mem.getFree() / 1024/1024/1024) + "G");   
                // b)系統頁面文件交換區信息  
                Swap swap = sigar.getSwap();   
                // 交換區總量  
                System.out.println("交換區總量:" + df.format((float)swap.getTotal() / 1024/1024/1024) + "G");   
                // 當前交換區使用量  
                System.out.println("當前交換區使用量:" + df.format((float)swap.getUsed() / 1024/1024/1024) + "G");   
                // 當前交換區剩餘量  
                System.out.println("當前交換區剩餘量:" + df.format((float)swap.getFree() / 1024/1024/1024) + "G");   
            } catch (SigarException e) {   
                e.printStackTrace();   
            }   
        }   
      
        /**  
         * 3.操做系統信息  
         *   
         */  
           
        // a)取到當前操做系統的名稱:  
        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)取當前操做系統的信息  
        public void testGetOSInfo() {   
            OperatingSystem OS = OperatingSystem.getInstance();   
            // 操做系統內核類型如: 38六、48六、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());//  
            // 操做系統類型  
            System.out.println("OS.getName() = " + OS.getName());   
            System.out.println("OS.getPatchLevel() = " + OS.getPatchLevel());//  
            // 操做系統的賣主  
            System.out.println("OS.getVendor() = " + OS.getVendor());   
            // 賣主名稱  
            System.out   
                    .println("OS.getVendorCodeName() = " + OS.getVendorCodeName());   
            // 操做系統名稱  
            System.out.println("OS.getVendorName() = " + OS.getVendorName());   
            // 操做系統賣主類型  
            System.out.println("OS.getVendorVersion() = " + OS.getVendorVersion());   
            // 操做系統的版本號  
            System.out.println("OS.getVersion() = " + OS.getVersion());   
        }   
      
        // c)取當前系統進程表中的用戶信息  
        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("獲取設備getDevice() = " + _who.getDevice());   
                        System.out.println("得到主機getHost() = " + _who.getHost());   
                        System.out.println("獲取的時間getTime() = " + _who.getTime());   
                        // 當前系統進程表中的用戶名  
                        System.out.println("獲取用戶getUser() = " + _who.getUser());   
                    }   
                }   
            } catch (SigarException e) {   
                e.printStackTrace();   
            }   
        }   
      
        // 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(經過sigar.getFileSystemList()來得到FileSystem列表對象,而後對其進行編歷):  
        public void testFileSystemInfo() throws Exception {   
            Sigar sigar = new Sigar();   
            FileSystem fslist[] = sigar.getFileSystemList();   
            DecimalFormat df = new DecimalFormat("#0.00");   
            // 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 + "~~~~~~~~~~");   
                FileSystem fs = 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,好比 FAT3二、NTFS  
                System.out.println("fs.getSysTypeName() = " + fs.getSysTypeName());   
                // 文件系統類型名,好比本地硬盤、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 = " + df.format((float)usage.getTotal()/1024/1024) + "G");   
                    // 文件系統剩餘大小  
                    System.out.println(" Free = " + df.format((float)usage.getFree()/1024/1024) + "G");   
                    // 文件系統可用大小  
                    System.out.println(" Avail = " + df.format((float)usage.getAvail()/1024/1024) + "G");   
                    // 文件系統已經使用量  
                    System.out.println(" Used = " + df.format((float)usage.getUsed()/1024/1024) + "G");   
                    double usePercent = usage.getUsePercent() * 100D;   
                    // 文件系統資源的利用率  
                    System.out.println(" Usage = " + df.format(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;   
        }   
      
        // 5.網絡信息   
        // a)當前機器的正式域名  
        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)取到當前機器的IP地址  
        public String getDefaultIpAddress() {   
            String address = null;   
            try {   
                address = InetAddress.getLocalHost().getHostAddress();   
                // 沒有出現異常而正常當取到的IP時,若是取到的不是網卡循回地址時就返回  
                // 不然再經過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();   
                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;   
                    }   
                    /*
                     * 若是存在多張網卡包括虛擬機的網卡,默認只取第一張網卡的MAC地址,若是要返回全部的網卡(包括物理的和虛擬的)則能夠修改方法的返回類型爲數組或Collection
                     * ,經過在for循環裏取到的多個MAC地址。
                     */  
                    hwaddr = cfg.getHwaddr();   
                    break;   
                }   
                return hwaddr != null ? hwaddr : null;   
            } catch (Exception e) {   
                return null;   
            } finally {   
                if (sigar != null)   
                    sigar.close();   
            }   
        }   
      
        // d)獲取網絡流量等信息  
        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);// 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...skipping getNetInterfaceStat");   
                    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);   
        }   
      
        // e)一些其餘的信息  
        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());// 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 while creating GUID" + e);   
            } finally {   
                if (sigar != null)   
                    sigar.close();   
            }   
        }   
      
    }java

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