java snmp 1.4.2.jar_SNMP获取指定IP地址机器的进程数(要导入SNMP4J.jar和snmp.jar包)

package com.gosun.cecs.service;

import java.io.IOException;

import java.util.Vector;

import org.snmp4j.CommunityTarget;

import org.snmp4j.PDU;

import org.snmp4j.Snmp;

import org.snmp4j.TransportMapping;

import org.snmp4j.event.ResponseEvent;

import org.snmp4j.mp.SnmpConstants;

import org.snmp4j.smi.Address;

import org.snmp4j.smi.GenericAddress;

import org.snmp4j.smi.OID;

import org.snmp4j.smi.OctetString;

import org.snmp4j.smi.VariableBinding;

import org.snmp4j.transport.DefaultUdpTransportMapping;

public class SnmpGet {

private Snmp snmp = null;

private Address targetAddress = null;

public void initComm() throws IOException {

// 设置Agent方的IP和端口

targetAddress = GenericAddress.parse("udp:192.168.28.20/161");

TransportMapping transport = new DefaultUdpTransportMapping();

snmp = new Snmp(transport);

transport.listen();

}

@SuppressWarnings("unchecked")

public void sendPDU() throws IOException {

// 设置 target

CommunityTarget target = new CommunityTarget();

target.setCommunity(new OctetString("public"));

target.setAddress(targetAddress);

// 通信不成功时的重试次数

target.setRetries(2);

// 超时时间

target.setTimeout(1500);

target.setVersion(SnmpConstants.version1);

// 创建 PDU

PDU pdu = new PDU();

pdu.add(new VariableBinding(new OID(".1.3.6.1.2.1.25.1.6.0")));

// MIB的访问方式

pdu.setType(PDU.GET);

// 向Agent发送PDU，并接收Response

ResponseEvent respEvnt = snmp.send(pdu, target);

// 解析Response

if (respEvnt != null && respEvnt.getResponse() != null) {

Vector recVBs = respEvnt.getResponse().getVariableBindings();

for (int i = 0; i < recVBs.size(); i++) {

VariableBinding recVB = recVBs.elementAt(i);

System.out.println(recVB.getOid() + " : " + recVB.getVariable());

}

}

}

public static void main(String[] args){

try {

SnmpGet util = new SnmpGet();

util.initComm();

util.sendPDU();

} catch (IOException e) {

e.printStackTrace();

}

}

}