代码
　　1 LinuxService

 

package com.sunfan.monitor.service;
import java.io.IOException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.sunfan.monitor.manager.pool.LinuxConnectionPool;
import com.sunfan.monitor.platform.IConnectable;
import com.sunfan.monitor.platform.linux.LinuxSessionHandle;
/**
*
* @author sunfan
*
*/
@Component
public class LinuxService {
private  String defaultTopComand = "top -b -n 1";
private  String defaultMpstatComand = "mpstat -P ALL";
private  String defaultFreeCommand = "free -m";
private  String defaultIostatCommand = "iostat -d -m";
@Autowired
private LinuxConnectionPool pool ;
@Autowired
private LinuxSessionHandle handle;
/**
* execute default command "top -b -n 1" and return String type reslut
*
* @param url  server's ip
* @param user  login name
* @param password login password
* @return
* @throws IOException
*/
public String topMonitor(String url，String user，String password) throws IOException{
return this.executeCommand(url， user， password， defaultTopComand);
}
/**
* execute default command "mpstat -P ALL" to get cpus performance
*
* @param url
* @param user
* @param password
* @return
* @throws IOException
*/
public String cpuMonitor(String url，String user，String password) throws IOException{
return this.executeCommand(url， user， password， defaultMpstatComand);
}
/**
* execute default command "free -m" to get memory performance
* @param url
* @param user
* @param password
* @return
* @throws IOException
*/
public String memoryMonitor(String url，String user，String password) throws IOException{
return this.executeCommand(url， user， password， defaultFreeCommand);
}
/**
* execute default command "free -m" to get memory performance
* @param url
* @param user
* @param password
* @return
* @throws IOException
*/
public String inputOutputMonitor(String url，String user，String password) throws IOException{
return this.executeCommand(url， user， password， defaultIostatCommand);
}
public String executeCommand(String url，String user，String password，String command) throws IOException{
IConnectable lc =  pool.borrowObject(url，user，password);
return handle.executeCommand(lc.getConnection()，command);
}
}