sigarcpuinfo.java

这是一个基于计算网格的web service。它用java编写。一旦安装完成

/*
 * SigarCpuInfo.java
 *
 * Created on March 14, 2005, 12:25 PM
 */

package net.hyperic.sigar.cmd;

import net.hyperic.sigar.CpuInfo;
import net.hyperic.sigar.CpuPerc;
import net.hyperic.sigar.SigarException;

/**
 *
 * @author Sean
 */
public class SigarCpuInfo extends SigarCommandBase {
    
    private int _cpuInfoIndex;
    private int _cpuPercIndex;

    /** Creates a new instance of SigarCpuInfo */
    public SigarCpuInfo() {
        super();
        resetIterators();
    }
    
    /**
     *
     */      
    public void resetIterators() {
        _cpuInfoIndex = 0;
        _cpuPercIndex = 0;        
    }
    
    /**
     *
     */    
    public int getCpuCount() throws SigarException {
        net.hyperic.sigar.CpuInfo[] cpuInfoArr;
        
        try {
            cpuInfoArr = this.sigar.getCpuInfoList();
        } catch (SigarException e) {
            throw e;
        }     
        
        return cpuInfoArr.length;
    }  
    
    /**
     *
     */    
    public net.hyperic.sigar.CpuInfo getCpuInfo(int iIndex) throws SigarException {
        net.hyperic.sigar.CpuInfo[] cpuInfoArr;
        
        try {
            cpuInfoArr = this.sigar.getCpuInfoList();
        } catch (SigarException e) {
            throw e;
        }   
        
        if (iIndex < 0 || iIndex > cpuInfoArr.length || cpuInfoArr.length ==0) {
            return null;
        }
        
        return cpuInfoArr[iIndex];
    }    
    
    /**
     *
     */    
    public net.hyperic.sigar.CpuInfo getNextCpuInfo() throws SigarException {
        net.hyperic.sigar.CpuInfo cpuInfo;
        
        try {
            cpuInfo = getCpuInfo(_cpuInfoIndex);
        } catch (SigarException e) {
            _cpuInfoIndex = 0;
            throw e;
        }   
        
        if (cpuInfo == null) {
            _cpuInfoIndex = 0;
            return null;
        }
        
        _cpuInfoIndex++;
        return cpuInfo;
    }
    
    /**
     *
     */    
    public net.hyperic.sigar.CpuPerc getCpuPerc(int iIndex) throws SigarException {
        net.hyperic.sigar.CpuPerc[] cpuPercArr;
        
        try {
            cpuPercArr = this.sigar.getCpuPercList();
        } catch (SigarException e) {
            throw e;
        }   
        
        if (iIndex < 0 || iIndex > cpuPercArr.length || cpuPercArr.length == 0) {
            return null;
        }
        
        return cpuPercArr[iIndex];
    }     
    
    /**
     *
     */    
    public net.hyperic.sigar.CpuPerc getNextCpuPerc() throws SigarException {
        net.hyperic.sigar.CpuPerc cpuPerc;
        
        try {
            cpuPerc = getCpuPerc(_cpuPercIndex);
        } catch (SigarException e) {
            _cpuPercIndex = 0;
            throw e;
        }   
        
        if (cpuPerc == null) {
            _cpuPercIndex = 0;
            return null;
        }
        
        _cpuPercIndex++;
        return cpuPerc;
    } 
    
    /**
     * output cpu info to stdout
     */
    public void output() throws SigarException {
        try {
            output(null);
        } catch (SigarException e) {
            throw e;
        }         
    }
    
    /**
     * output cpu info to stdout
     */
    public void output(String[] args) throws SigarException {
        net.hyperic.sigar.CpuPerc cpuPerc;
        net.hyperic.sigar.CpuInfo cpuInfo;
        
        try {
            for (int iIndex=0; iIndex<getCpuCount(); iIndex++ ) {

                    cpuInfo = getCpuInfo(iIndex);
                    cpuPerc = getCpuPerc(iIndex);

                println("Vendor........" + cpuInfo.getVendor());
                println("Model........." + cpuInfo.getModel());
                println("Mhz..........." + cpuInfo.getMhz());
                println("Cache size...." + cpuInfo.getCacheSize());
                println("User Time....." + CpuPerc.format(cpuPerc.getUser()));
                println("Sys Time......" + CpuPerc.format(cpuPerc.getSys()));
                println("Idle Time....." + CpuPerc.format(cpuPerc.getIdle()));
                println("");
            }
       } catch (SigarException e) {
            throw e;
        }        
    }  
    
    public static void main( String[] args ) {
        try {
            SigarCpuInfo cpuInfo = new SigarCpuInfo();
            cpuInfo.output();
        } catch ( Exception ex ) {
            System.out.println( ex.getMessage() );
        }     
    } 
}