sigarmeminfo.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

/*
 * SigarMemInfo.java
 *
 * Created on March 14, 2005, 12:30 PM
 */

package net.hyperic.sigar.cmd;

import net.hyperic.sigar.Mem;
import net.hyperic.sigar.Swap;
import net.hyperic.sigar.SigarException;

/**
 *
 * @author Sean
 */
public class SigarMemInfo extends SigarCommandBase {
    
    /** Creates a new instance of SigarMemInfo */  
    public SigarMemInfo() {
        super();
    }
    
    /**
     *
     */       
    public Swap getSwap() throws SigarException {
         try {
            return this.sigar.getSwap();
        } catch (SigarException e) {
            throw e;
        }       
    }
    
    /**
     *
     */       
    public Mem getMem() throws SigarException {
         try {
            return this.sigar.getMem();
        } catch (SigarException e) {
            throw e;
        }       
    }    
    
    /**
     *
     */    
    public void output() throws SigarException {
        try {
            output(null);
        } catch (SigarException e) {
            throw e;
        }          
    }    
    
    /**
     *
     */    
    public void output(String[] args) throws SigarException {
        Mem memInfo;
        Swap swapInfo;  
        
        try {
           memInfo = getMem(); 
           swapInfo = getSwap();
        }
        catch( SigarException e) {
            throw e;
        }
        
        this.out.println("\tTotal\tUsed\tFree");

        this.out.println("Mem:    " +
                         memInfo.getTotal() / 1024 + "\t" +
                         memInfo.getUsed() / 1024 + "\t" +
                         memInfo.getFree() / 1024);

        this.out.println("Swap:    " +
                         swapInfo.getTotal() / 1024 + "\t" +
                         swapInfo.getUsed() / 1024 + "\t" +
                         swapInfo.getFree() / 1024);        


        this.out.println("RAM:    " + memInfo.getRam() + "MB");        
    }  
    
    public static void main( String[] args ) {
        try {
            SigarMemInfo info = new SigarMemInfo();
            info.output();
        } catch ( Exception ex ) {
            System.out.println( ex.getMessage() );            
        }
    }     
}