processcommand.java

WAP PUSH后台源码,WAP PUSH后台源码

package com.sxit.wap.sncs;

/**
 * <p>Title: wap II</p>
 * <p>Description: 处理请求cpu，disk等信息的命令处理类</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: sxit</p>
 * @author not attributable
 * @version 1.0
 */
/*
 运行于被监控的机器上

 */
import java.io.*;
import java.util.*;
public class ProcessCommand {
    public ProcessCommand() {
    }
	private String getCommandExec(String cmd){
		String list = "";
		//cmd = "ping localhost";
		try {
			//根据系统不同，动态的调用命令cmd 或者bash
			Process proc = Runtime.getRuntime ().exec ( cmd );
			InputStream istr = proc.getInputStream ();
			BufferedReader br =
				new BufferedReader ( new InputStreamReader ( istr ) );

			String str = "";
			while ( ( str = br.readLine () ) != null )
				list= list + str ;
		} catch (Exception e1) {
			e1.printStackTrace();
		}
		return list.trim();

	}
	public String getCpuInfo() {
		return getCommandExec("top");
	}
	public String getDiskInfo() {
		return getCommandExec("disk");
	}
	public  boolean isPingOk(String ip){
		String list = "" ;
		int times = 2;
		while (times-- >0) {
			try {
				list = getCommandExec( "ping " + ip.trim () );

				System.out.println(list) ;
				int position = list.indexOf ( "Lost = " );
				System.out.println(position) ;
				if ( position > 0 ) {
					int position2 = list.indexOf ( "%", position );
					System.out.println(position2) ;
					position = list.indexOf ( "(", position );
					System.out.println(position) ;
					int lostRate = Integer.parseInt ( list.substring ( position+1, position2 ) );
					System.out.println(lostRate) ;
					if ( lostRate == 0 )
						break;
					else
					if ( times == 0 )
						return false;
				} else
					return false;
			} catch ( Exception e1 ) {
				e1.printStackTrace ();
			}
		}
		return true;

	}


    public static void main(String[] args) {
		ProcessCommand processCommand = new ProcessCommand();
		//System.out.println( processCommand.isPingOk("192.168.8.30") ? "OK":"failed");
		System.out.println( processCommand.getCommandExec("192.168.8.30") );
//System.out.println( processCommand.isPingOk("192.168.8.3") ? "OK":"failed");
    }

}