Sigar java 服务器信息探针、监控

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package org.fh.controller.tools;

import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.fh.controller.base.BaseController;
import org.fh.entity.PageData;
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.NetInterfaceConfig;
import org.hyperic.sigar.NetInterfaceStat;
import org.hyperic.sigar.Sigar;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 说明：服务器信息监控
 * 作者：FH Admin
 * from：fhadmin.cn
 */
@Controller
@RequestMapping("/serverRunstate")
public class ServerRunstateController extends BaseController {
    
    /**获取常量数据
     * @return 
     */
    @RequestMapping(value="/getData")
    @ResponseBody
    public Object getData() throws Exception{
        Map<String,Object> map = new HashMap<String,Object>();
        Sigar sigar = new Sigar();
        String errInfo = "success";
        PageData pd = new PageData();
        property(pd);                    //基本信息
        gethardDiskData(pd,sigar);        //硬盘使用情况
        map.put("pd", pd);
        map.put("result", errInfo);
        return map;
    }
    
    /**获取事实数据
     * @return 
     */
    @RequestMapping(value="/realTimeData")
    @ResponseBody
    public Object realTimeData() throws Exception{
        Map<String,Object> map = new HashMap<String,Object>();
        Sigar sigar = new Sigar();
        String errInfo = "success";
        PageData pd = new PageData();
        getJvmMemoryData(pd);            //JVM内存
        getServerMemoryData(pd,sigar);    //服务器内存
        getCpuData(pd,sigar);            //CPU
        map.put("pd", pd);
        map.put("result", errInfo);
        return map;
    }
    
    /**获取网速
     * @return 
     */
    @RequestMapping(value="/networkspeed")
    @ResponseBody
    public Object networkspeed() throws Exception{
        Map<String,Object> map = new HashMap<String,Object>();
        Sigar sigar = new Sigar();
        String errInfo = "success";
        PageData pd = new PageData();
        long[] fhbytes1 = getNet(sigar);
        Thread.sleep(1000);
        long[] fhbytes2 = getNet(sigar);
        long rxspeed = fhbytes2[0] - fhbytes1[0];
        long txspeed = fhbytes2[1] - fhbytes1[1];
        pd.put("rxspeed", (double) Math.round((rxspeed/2014.0) * 100) / 100);        //下载网速
        pd.put("txspeed", (double) Math.round((txspeed/1024.0) * 100) / 100);        //上传网速
        map.put("pd", pd);
        map.put("result", errInfo);
        return map;
    }
    
    /**获取JVM内存数据
     * @param pd
     * @return
     * @throws Exception
     */
    private PageData getJvmMemoryData(PageData pd){
        double byteToMb = 1024.0 * 1024.0;
        double jvmTotal = 0;
        double jvmFree = 0;
        double jvmUse = 0;
        Runtime rt = Runtime.getRuntime();
        jvmTotal = rt.totalMemory() / byteToMb;
        jvmFree = rt.freeMemory() / byteToMb;
        jvmUse = jvmTotal - jvmFree;
        pd.put("totalJvmMemory", (double) Math.round(jvmTotal * 100) / 100);        //JVM总内存空间
        pd.put("useJvmMemory", (double) Math.round(jvmUse * 100) / 100);            //JVM已使用的内存
        return pd;
    }
    
    /**获取服务器内存数据
     * @param pd
     * @param sigar
     * @throws Exception
     */
    private void getServerMemoryData(PageData pd, Sigar sigar) throws Exception {
        double byteToGb = 1024.0 * 1024.0 * 1024.0;
        double serveotal = 0;
        double serverUse = 0;
        Mem mem = sigar.getMem();
        serveotal = mem.getTotal() / byteToGb;
        serverUse = mem.getUsed() / byteToGb;
        pd.put("totalServerMemory", (double) Math.round(serveotal * 100) / 100);        //服务器总内存空间
        pd.put("useServerMemory", (double) Math.round(serverUse * 100) / 100);            //服务器已使用的内存
    }
    
    /**获取服务器CUP使用率
     * @param pd
     * @param sigar
     * @throws Exception
     */
    private void getCpuData(PageData pd, Sigar sigar) throws Exception {
        CpuInfo infos[] = sigar.getCpuInfoList();
        CpuPerc cpuList[] = null;
        cpuList = sigar.getCpuPercList();
        double cpuuse = 0;
        for (int i = 0; i < infos.length; i++) {                //多块或者多核心CPU
            cpuuse += cpuList[i].getCombined() * 100.00;
        }
        pd.put("cpuuse", (double) Math.round(((cpuuse/(infos.length * 100))*100) * 100) / 100 );//使用率
    }
    
    /**获取服务器硬盘情况
     * @param pd
     * @param sigar
     * @throws Exception
     */
    private void gethardDiskData(PageData pd, Sigar sigar) throws Exception {
        double byteToGb = 1024.0 * 1024.0;
        long totalSize = 0;
        long useSize = 0;
        FileSystem fslist[] = sigar.getFileSystemList();
        for (int i = 0; i < fslist.length; i++) {
            FileSystem fs = fslist[i];
            FileSystemUsage usage = null;
            usage = sigar.getFileSystemUsage(fs.getDirName());
            switch (fs.getType()) {
            case 0: // TYPE_UNKNOWN ：未知
                break;
            case 1: // TYPE_NONE
                break;
            case 2: // TYPE_LOCAL_DISK : 本地硬盘
                totalSize += usage.getTotal();    //总大小
                useSize += usage.getUsed();        //已经使用量
                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;
            }
        }
        pd.put("totalDiskSize",(double) Math.round((totalSize / byteToGb) * 10) / 10);    //硬盘总大小
        pd.put("useDiskSize",(double) Math.round((useSize / byteToGb) * 10) / 10);        //硬盘已使用大小
    }
    
    /**获取基础信息
     * @param pd
     * @return
     * @throws Exception
     */
    private PageData property(PageData pd) throws Exception {
        Runtime r = Runtime.getRuntime();
        Properties props = System.getProperties();
        InetAddress addr;
        addr = InetAddress.getLocalHost();
        String ip = addr.getHostAddress();
        Map<String, String> map = System.getenv();
        String userName = map.get("USERNAME");// 获取用户名
        pd.put("userName", userName);            //计算机用户
        pd.put("IP", ip);                        //本地ip地址
        pd.put("HostName", addr.getHostName());    //本地主机名
        pd.put("availableProcessors", r.availableProcessors());        //JVM可以使用的处理器个数
        pd.put("javaversion", props.getProperty("java.version"));    //Java的运行环境版本
        pd.put("javahome", props.getProperty("java.home"));            //Java的安装路径
        pd.put("javavmversion", props.getProperty("java.vm.specification.version"));    //Java的虚拟机规范版本
        pd.put("javavmname", props.getProperty("java.vm.name"));                //Java的虚拟机实现名称
        pd.put("javaclassversion", props.getProperty("java.class.version"));    //Java的类格式版本号
        pd.put("osarch", props.getProperty("os.arch"));        //操作系统的构架
        pd.put("userdir", props.getProperty("user.dir"));    //用户的当前工作目录
        return pd;
    }

    /**获取接收字节数
     * @return
     * @throws Exception
     */
    private static long[] getNet(Sigar sigar) throws Exception {
        long[] fhbytes = new long[2];
        String ifNames[] = sigar.getNetInterfaceList();
        for (int i = 0; i < ifNames.length; i++) {
            String name = ifNames[i];
            NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig(name);
            if ((ifconfig.getFlags() & 1L) <= 0L) {
                continue;
            }
            NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name);
            long fhRxBytes = ifstat.getRxBytes();
            long fhTxBytes = ifstat.getTxBytes();
            if(fhRxBytes > 0) {
                fhbytes[0] = fhRxBytes;
                fhbytes[1] = fhTxBytes;
                return fhbytes;
            }
        }
        fhbytes[0] = 0;
        fhbytes[1] = 0;
        return fhbytes;
    }
    
}
 

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