SNMP编程

开发平台：
Java

SNMP4j.java：源码内容
							package com.ultrapower.cruiser.snmp;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import javax.management.ObjectName;
import org.snmp4j.CommunityTarget;
import org.snmp4j.PDU;
import org.snmp4j.Snmp;
import org.snmp4j.event.ResponseEvent;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.OctetString;  
import org.snmp4j.smi.UdpAddress;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
public class SNMP4j{
	public static String connectSnmpServer(int port, String hostname,
			String community,String oid_) {
		try {
			Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
			CommunityTarget target = new CommunityTarget();// agent对象
			target.setCommunity(new OctetString(community));// 设置共同体名,没发现设置RWCommnity的方法,大概只能设一个.
			target.setVersion(SnmpConstants.version1);// 设置版本
			target.setAddress(new UdpAddress(hostname+"/"+port));// 设置IP地址和端口号,这里竟然用'/'来分隔,当初确实没有料到,JDOC的说明等于没有.
			target.setRetries(1); // 设置重试次数
			target.setTimeout(5000); // 设置超时
			snmp.listen(); // 监听
			String m_oid =oid_;
				// set pud type and set oid
				PDU request = new PDU(); // new request PDU包
				request.setType(PDU.GETNEXT); // 设置PDU类型,
				request.add(new VariableBinding(new OID(m_oid)));
				PDU response = null;// 定义response包
				ResponseEvent responseEvent = snmp.send(request, target); // 发出request
																			// PDU
				// 接收response PDU
				response = responseEvent.getResponse();
				// response PDU包解析
				if (response != null) {
					System.out.println("response : " + response.toString());
					if (response.getErrorIndex() == response.noError
							&& response.getErrorStatus() == response.noError) {
						String pause = responseEvent.getResponse()
								.getVariableBindings().toString();
						String getvalue = pause.substring(
								pause.indexOf("= ") + 2, pause.indexOf(']'));
						String oid = pause.substring(pause.indexOf("VBS[") + 2,
								pause.indexOf("=") - 1);
						System.out.println("oid : " + oid);
						System.out.println(getvalue);
						return getvalue;
					} else {
						System.out.println("get error:"
								+ response.getErrorStatusText());
					}
				} else {
					System.out.println("get response error");
				}
				snmp.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return null;
	}
	public static void  main(String s[]){
		SNMP4j snmp = new SNMP4j();
		String ss = snmp.connectSnmpServer(161,"192.168.5.122","public",".1.3.6.1.4.1.140.625.10.1");
//		String ss = snmp.connectSnmpServer(161,"192.168.0.181","public",".1.3.6.1.4.1.9.2.1.59");
		System.out.println("the ss is ; "+ss);
		SnmpTool smt = new SnmpTool();
		smt.setPduType(PDU.GETNEXT);
		System.out.println(smt.getMibValue(161,"public","192.168.5.122",".1.3.6.1.4.1.140.625.105.1.5"));
	}
}

						