SNMP Demo1

package org.snmp4j.test;


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 SnmpUtil
{
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:127.0.0.1/161");
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
transport.listen();
}


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(new int[]{ 1, 3, 6, 1, 2, 1, 1, 5, 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 = (Vector) 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
{
SnmpUtil util = new SnmpUtil();
util.initComm();
util.sendPDU();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}