SNMP GET就是获取SNMP服务上的某个节点的值(如可获取windows的内存、CPU等信息)
SNMP SET就是设置SNMP服务上某个节点的值
下面就写了个简单的GET\SET的例子
package com.eshore.snmpgetset; import java.io.IOException; import java.util.Date; 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.Integer32; 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:127.0.0.1/163"); TransportMapping transport = new DefaultUdpTransportMapping(); snmp = new Snmp(transport); transport.listen(); } public ResponseEvent sendPDU(PDU pdu) 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.version2c); // 向Agent发送PDU,并返回Response ResponseEvent event = snmp.send(pdu, target); //snmp.close(); return event; } public void setPDU() throws IOException { // set PDU PDU pdu = new PDU(); pdu.add(new VariableBinding(new OID(".1.3.6.1.4.1.2011.2.15.2.1.2.1.1.1.1"), new OctetString("SNMPTEST"))); pdu.add(new VariableBinding(new OID(".1.3.6.1.4.1.2011.2.15.2.1.2.1.1.1.2"), new Integer32(10))); pdu.add(new VariableBinding(new OID(".1.3.6.1.4.1.2011.2.15.2.1.2.1.1.1.3"), new OctetString(new Date().toString()))); pdu.setType(PDU.TRAP); sendPDU(pdu); } public void getPDU() throws IOException { // get PDU PDU pdu = new PDU(); pdu.add(new VariableBinding(new OID(new int[] { 1, 3, 6, 1, 2, 1, 1, 5, 0 }))); pdu.setType(PDU.GET); readResponse(sendPDU(pdu)); } public void readResponse(ResponseEvent respEvnt) { // 解析Response if (respEvnt != null && respEvnt.getResponse() != null) { Vector<VariableBinding> recVBs = (Vector<VariableBinding>) 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.setPDU(); util.getPDU(); } catch (IOException e) { e.printStackTrace(); } } }