sjsky
- 浏览: 904267 次
- 性别:
- 来自: 上海
-
文章分类
- 全部博客 (263)
- J2EE (9)
- Spring (11)
- Hibernate (11)
- Struts (5)
- opensource (19)
- Hadoop (28)
- 架构设计 (8)
- 企业应用 (10)
- SNMP (8)
- SSO (4)
- webservice (11)
- RPC (2)
- 编程语言 (0)
- Java (30)
- Javascript (5)
- NoSQL (11)
- 数据库 (0)
- oracle (8)
- MySQL (3)
- web (1)
- Android (2)
- Linux (15)
- 软件工具 (15)
- 项目构建 (11)
- 测试工具 (2)
- Exception (19)
- 杂谈 (4)
- Groovy (5)
- Nodejs (1)
- MacOSX (4)
最新评论
-
fighhin：
decode(BinaryBitmap,java.util.M ...
条形码/二维码之开源利器ZXing图文介绍 -
u013489005：
追问：楼主，请问有中文文档么？我的邮箱是frankgray@s ...
Java表达式计算引擎:Expr4J -
u013489005：
感谢博主 需要引入的包是import java.io.*;im ...
Java表达式计算引擎:Expr4J -
calosteward：
感谢楼主分享。。 Zxing 我听说过的。__________ ...
条形码/二维码之开源利器ZXing图文介绍 -
u013810758：
judasqiqi 写道感谢楼主！想请问楼主一下这个生成的图片 ...
Java实现二维码QRCode的编码和解码
blog迁移至:http://www.micmiu.com
依赖于第三方SNMP4j来实现snmp的get、walk功能,主要实现了如下功能：
[一]、 snmp get 获取单个OID的值
SnmpGet.java
[二]、snmp get 同步和异步的方式获取多个OID的值
同步实现方法:SnmpGetList.java
异步实现方法：SnmpGetListAsyn.java
[三]、 SnmpWalk.java
[四]、SnmpUtil.java
转载请注明来自：Michael's blog @ http://sjsky.iteye.com
-----------------------------------分 ------------------------------------隔 ------------------------------------线 --------------------------------------
这个util类里有很多其他的东西，这里的示例中只引用了一个方法，创建共同体SnmpUtil.createCommunityTarget(....)，当时懒了点 没有贴的，已把SnmpUtil的代码清理了下，贴出了部分
依赖于第三方SNMP4j来实现snmp的get、walk功能,主要实现了如下功能：
- 一、snmp get 获取单个OID的值
- 二、snmp get 同步和异步的方式获取多个OID的值
- 三、snmp walk的方式
- 四、补充SnmpUtil.java代码
[一]、 snmp get 获取单个OID的值
SnmpGet.java
package com.michael.snmp4j;
import java.io.IOException;
import java.util.Vector;
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.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
import com.michael.snmp4j.util.SnmpUtil;
/**
* @see http://sjsky.iteye.com
* @author Michael
*/
public class SnmpGet {
private static int version = SnmpConstants.version1;
private static String protocol = "udp";
private static int port = 161;
/**
*
* @param args
*/
public static void main(String[] args) {
String ip = "192.168.8.254";
String community = "public";
String oidval = "1.3.6.1.2.1.1.3.0";
SnmpGet tester = new SnmpGet();
tester.snmpGet(ip, community, oidval);
}
@SuppressWarnings("unchecked")
private void snmpGet(String ip, String community, String oid) {
String address = protocol + ":" + ip + "/" + port;
CommunityTarget target = SnmpUtil.createCommunityTarget(address,
community, version, 2 * 1000L, 3);
DefaultUdpTransportMapping udpTransportMapping = null;
Snmp snmp = null;
try {
PDU pdu = new PDU();
// pdu.add(new VariableBinding(new OID(new int[]
// {1,3,6,1,2,1,1,2})));
pdu.add(new VariableBinding(new OID(oid)));
pdu.setType(PDU.GET);
udpTransportMapping = new DefaultUdpTransportMapping();
udpTransportMapping.listen();
snmp = new Snmp(udpTransportMapping);
// 发送同步消息
ResponseEvent response = snmp.send(pdu, target);
System.out.println("PeerAddress:" + response.getPeerAddress());
PDU responsePdu = response.getResponse();
if (responsePdu == null) {
System.out.println(ip + ":Request time out");
} else {
Vector vbVect = responsePdu.getVariableBindings();
System.out.println("vb size:" + vbVect.size());
if (vbVect.size() == 0) {
System.out.println(" pdu vb size is 0 ");
} else {
Object obj = vbVect.firstElement();
VariableBinding vb = (VariableBinding) obj;
System.out.println(vb.getOid() + " = " + vb.getVariable());
}
}
System.out.println("success finish snmp get the oid!");
} catch (Exception e) {
System.out.println("SNMP Get Exception:" + e);
} finally {
if (snmp != null) {
try {
snmp.close();
} catch (IOException ex1) {
snmp = null;
}
}
if (udpTransportMapping != null) {
try {
udpTransportMapping.close();
} catch (IOException ex2) {
udpTransportMapping = null;
}
}
}
}
}
[二]、snmp get 同步和异步的方式获取多个OID的值
同步实现方法:SnmpGetList.java
package com.michael.snmp4j;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
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.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
import com.michael.snmp4j.util.SnmpUtil;
/**
* @see http://sjsky.iteye.com
* @author Michael
*
*/
public class SnmpGetList {
private static int version = SnmpConstants.version1;
private static String protocol = "udp";
private static int port = 161;
/**
*
* @param args
*/
public static void main(String[] args) {
String ip = "192.168.8.254";
String community = "public";
SnmpGetList tester = new SnmpGetList();
List<String> oidList = new ArrayList<String>();
oidList.add(".1.3.6.1.2.1.1.1.0");
oidList.add(".1.3.6.1.2.1.1.3.0");
oidList.add(".1.3.6.1.2.1.1.5.0");
// synchronous
tester.snmpGet(ip, community, oidList);
}
/**
*
* @param ipAddress
* @param community
* @param oid
*/
private void snmpGet(String ipAddress, String community,
List<String> oidList) {
String address = protocol + ":" + ipAddress + "/" + port;
CommunityTarget target = SnmpUtil.createCommunityTarget(address,
community, version, 2 * 1000L, 3);
DefaultUdpTransportMapping transport = null;
Snmp snmp = null;
try {
PDU pdu = new PDU();
pdu.setType(PDU.GET);
for (String oid : oidList) {
pdu.add(new VariableBinding(new OID(oid)));
}
transport = new DefaultUdpTransportMapping();
transport.listen();
snmp = new Snmp(transport);
ResponseEvent response = snmp.send(pdu, target);
PDU resPdu = response.getResponse();
if (resPdu == null) {
System.out.println(ipAddress + ":Request time out");
} else {
System.out.println(" response pdu vb size is " + resPdu.size());
for (int i = 0; i < resPdu.size(); i++) {
VariableBinding vb = resPdu.get(i);
System.out.println(vb.getOid() + "=" + vb.getVariable());
}
}
} catch (Exception e) {
System.out.println("SNMP GetNext Exception:" + e);
} finally {
if (snmp != null) {
try {
snmp.close();
} catch (IOException ex1) {
snmp = null;
}
}
if (transport != null) {
try {
transport.close();
} catch (IOException ex2) {
transport = null;
}
}
}
}
}
异步实现方法：SnmpGetListAsyn.java
package michael.snmp.snmp4j;
import java.util.ArrayList;
import java.util.List;
import michael.snmp.util.SnmpUtil;
import org.snmp4j.CommunityTarget;
import org.snmp4j.MessageDispatcherImpl;
import org.snmp4j.PDU;
import org.snmp4j.Snmp;
import org.snmp4j.event.ResponseEvent;
import org.snmp4j.event.ResponseListener;
import org.snmp4j.mp.MPv1;
import org.snmp4j.mp.MPv2c;
import org.snmp4j.mp.MPv3;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
import org.snmp4j.util.MultiThreadedMessageDispatcher;
import org.snmp4j.util.ThreadPool;
import org.snmp4j.util.WorkerPool;
/**
* asynchronous send PDU
* @see http://sjsky.iteye.com
* @author Michael
*
*/
public class SnmpGetListAsyn {
private static int version = SnmpConstants.version1;
private static String protocol = "udp";
private static int port = 161;
/**
*
* @param args
*/
public static void main(String[] args) {
String ip = "192.168.8.254";
String community = "public";
SnmpGetListAsyn tester = new SnmpGetListAsyn();
List<String> oidList = new ArrayList<String>();
oidList.add(".1.3.6.1.2.1.1.1.0");
oidList.add(".1.3.6.1.2.1.1.3.0");
oidList.add(".1.3.6.1.2.1.1.5.0");
// asynchronous
tester.snmpAsynGet(ip, community, oidList);
}
/**
*
* @param ipAddress
* @param community
* @param oid
*/
private void snmpAsynGet(String ipAddress, String community,
List<String> oidList) {
String address = protocol + ":" + ipAddress + "/" + port;
CommunityTarget target = SnmpUtil.createCommunityTarget(address,
community, version, 2 * 1000L, 3);
DefaultUdpTransportMapping transport = null;
Snmp snmp = null;
try {
WorkerPool threadPool = ThreadPool.create("TestSNMPWorkPool", 2);
MultiThreadedMessageDispatcher dispatcher = new MultiThreadedMessageDispatcher(
threadPool, new MessageDispatcherImpl());
transport = new DefaultUdpTransportMapping();
snmp = new Snmp(dispatcher, transport);
snmp.getMessageDispatcher().addMessageProcessingModel(new MPv1());
snmp.getMessageDispatcher().addMessageProcessingModel(new MPv2c());
snmp.getMessageDispatcher().addMessageProcessingModel(new MPv3());
snmp.listen();
PDU pdu = new PDU();
pdu.setType(PDU.GET);
for (String oid : oidList) {
pdu.add(new VariableBinding(new OID(oid)));
}
ResponseListener listener = new ResponseListener() {
public void onResponse(ResponseEvent event) {
((Snmp) event.getSource()).cancel(event.getRequest(), this);
PDU response = event.getResponse();
PDU request = event.getRequest();
System.out.println("[request]:" + request);
if (response == null) {
System.out.println("[ERROR]: response is null");
} else if (response.getErrorStatus() != 0) {
System.out.println("[ERROR]: response status"
+ response.getErrorStatus() + " Text:"
+ response.getErrorStatusText());
} else {
System.out.println("Received response Success!!!");
for (int i = 0; i < response.size(); i++) {
VariableBinding vb = response.get(i);
System.out.println(vb);
}
}
}
};
snmp.send(pdu, target, null, listener);
System.out.println("asynchronous send pdu wait for response...");
} catch (Exception e) {
System.out.println("SNMP GetNext Exception:" + e);
}
}
}
[三]、 SnmpWalk.java
package com.michael.snmp4j;
import java.io.IOException;
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.Integer32;
import org.snmp4j.smi.Null;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
import com.michael.snmp4j.util.SnmpUtil;
/**
* SnmpWalk
* @see http://sjsky.iteye.com
* @author Michael
*
*/
public class SnmpWalk {
private static int version = SnmpConstants.version1;
private static String protocol = "udp";
private static int port = 161;
/**
*
* @param args
*/
public static void main(String[] args) {
String ip = "192.168.8.254";
String community = "public";
String targetOid = "1.3.6.1.2.1.2.2.1.2";
SnmpWalk tester = new SnmpWalk();
tester.snmpWalk(ip, community, targetOid);
}
/**
* 1)responsePDU == null<br>
* 2)responsePDU.getErrorStatus() != 0<br>
* 3)responsePDU.get(0).getOid() == null<br>
* 4)responsePDU.get(0).getOid().size() < targetOID.size()<br>
* 5)targetOID.leftMostCompare(targetOID.size(),responsePDU.get(0).getOid())!=0<br>
* 6)Null.isExceptionSyntax(responsePDU.get(0).getVariable().getSyntax())<br>
* 7)responsePDU.get(0).getOid().compareTo(targetOID) <= 0<br>
* @param ipAddress
* @param community
* @param oid
*/
@SuppressWarnings("unused")
private void snmpWalk(String ip, String community, String targetOid) {
String address = protocol + ":" + ip + "/" + port;
OID targetOID = new OID(targetOid);
PDU requestPDU = new PDU();
requestPDU.setType(PDU.GETNEXT);
requestPDU.add(new VariableBinding(targetOID));
CommunityTarget target = SnmpUtil.createCommunityTarget(address,
community, version, 2 * 1000L, 3);
TransportMapping transport = null;
Snmp snmp = null;
try {
transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
transport.listen();
boolean finished = false;
while (!finished) {
VariableBinding vb = null;
ResponseEvent response = snmp.send(requestPDU, target);
PDU responsePDU = response.getResponse();
if (null == responsePDU) {
System.out.println("responsePDU == null");
finished = true;
break;
} else {
vb = responsePDU.get(0);
}
// check finish
finished = checkWalkFinished(targetOID, responsePDU, vb);
if (!finished) {
// Dump response.
System.out.println("----"+vb.toString());
System.out.println("----"+vb.getOid().toString());
System.out.println("----"+vb.getVariable().toString());
// Set up the variable binding for the next entry.
requestPDU.setRequestID(new Integer32(0));
requestPDU.set(0, vb);
}
}
System.out.println("success finish snmp walk!");
} catch (Exception e) {
System.out.println("SNMP walk Exception: " + e);
} finally {
if (snmp != null) {
try {
snmp.close();
} catch (IOException ex1) {
snmp = null;
}
}
if (transport != null) {
try {
transport.close();
} catch (IOException ex2) {
transport = null;
}
}
}
}
/**
* check snmp walk finish
* @param resquestPDU
* @param targetOID
* @param responsePDU
* @param vb
* @return
*/
private boolean checkWalkFinished(OID targetOID, PDU responsePDU,
VariableBinding vb) {
boolean finished = false;
if (responsePDU.getErrorStatus() != 0) {
System.out.println("responsePDU.getErrorStatus() != 0 ");
System.out.println(responsePDU.getErrorStatusText());
finished = true;
} else if (vb.getOid() == null) {
System.out.println("vb.getOid() == null");
finished = true;
} else if (vb.getOid().size() < targetOID.size()) {
System.out.println("vb.getOid().size() < targetOID.size()");
finished = true;
} else if (targetOID.leftMostCompare(targetOID.size(), vb.getOid()) != 0) {
System.out.println("targetOID.leftMostCompare() != 0");
finished = true;
} else if (Null.isExceptionSyntax(vb.getVariable().getSyntax())) {
System.out
.println("Null.isExceptionSyntax(vb.getVariable().getSyntax())");
finished = true;
} else if (vb.getOid().compareTo(targetOID) <= 0) {
System.out.println("Variable received is not "
+ "lexicographic successor of requested " + "one:");
System.out.println(vb.toString() + " <= " + targetOID);
finished = true;
}
return finished;
}
}
[四]、SnmpUtil.java
package michael.snmp.util;
import org.snmp4j.CommunityTarget;
import org.snmp4j.UserTarget;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.Address;
import org.snmp4j.smi.GenericAddress;
import org.snmp4j.smi.OctetString;
import org.snmp4j.smi.TcpAddress;
import org.snmp4j.smi.UdpAddress;
/**
* @see http://sjsky.iteye.com
* @author michael
*
*/
public class SnmpUtil {
public static final int DEFAULT_VERSION = SnmpConstants.version2c;
public static final String DEFAULT_PROTOCOL = "udp";
public static final int DEFAULT_PORT = 161;
public static final long DEFAULT_TIMEOUT = 3 * 1000L;
public static final int DEFAULT_RETRY = 3;
/**
* 创建共同体对象communityTarget
* @param address
* @param community
* @return CommunityTarget
*/
public static CommunityTarget createMyDefaultTarget(String address,
String community) {
Address targetAddress = GenericAddress.parse(address);
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString(community));
target.setAddress(targetAddress);
target.setVersion(DEFAULT_VERSION);
target.setTimeout(DEFAULT_TIMEOUT);// milliseconds
target.setRetries(DEFAULT_RETRY);
return target;
}
/**
* 创建共同体对象communityTarget
* @param targetAddress
* @param community
* @param version
* @return CommunityTarget
*/
public static CommunityTarget createCommunityTarget(Address targetAddress,
String community, int version) {
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString(community));
target.setAddress(targetAddress);
target.setVersion(version);
return target;
}
/**
* 创建共同体对象communityTarget
* @param targetAddress
* @param community
* @param version
* @param timeOut
* @param retry
* @return CommunityTarget
*/
public static CommunityTarget createCommunityTarget(Address targetAddress,
String community, int version, long timeOut, int retry) {
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString(community));
target.setAddress(targetAddress);
target.setVersion(version);
target.setTimeout(timeOut); // milliseconds
target.setRetries(retry);
return target;
}
/**
* 创建共同体对象communityTarget
* @param address
* @param community
* @param version
* @param timeOut
* @param retry
* @return CommunityTarget
*/
public static CommunityTarget createCommunityTarget(String address,
String community, int version, long timeOut, int retry) {
Address targetAddress = GenericAddress.parse(address);
return createCommunityTarget(targetAddress, community, version,
timeOut, retry);
}
/**
* 创建snmp Address
* @param protocol
* @param ip
* @param port
* @return Address
*/
public static Address createAddress(String protocol, String ip, int port) {
String address = protocol + ":" + ip + "/" + port;
return GenericAddress.parse(address);
}
/**
* 创建snmp udp Address
* @param ip
* @param port
* @return Address
*/
public static Address createUdpAddress(String ip, int port) {
String address = ip + "/" + port;
return new UdpAddress(address);
}
/**
* 创建snmp tcp Address
* @param ip
* @param port
* @return Address
*/
public static TcpAddress createTcpAddress(String ip, int port) {
String address = ip + "/" + port;
return new TcpAddress(address);
}
/**
* 创建 UserTarget
* @param targetAddress
* @param version
* @param timeOut
* @param level
* @param securityName
* @return UserTarget
*/
public static UserTarget createUserTarget(Address targetAddress,
int version, long timeOut, int level, String securityName) {
UserTarget target = new UserTarget();
target.setAddress(targetAddress);
target.setRetries(1);
target.setTimeout(timeOut); // milliseconds
target.setVersion(version);
target.setSecurityLevel(level);
target.setSecurityName(new OctetString(securityName));
return target;
}
/**
* 创建 UserTarget
* @param address
* @param version
* @param timeOut
* @param level
* @param securityName
* @return UserTarget
*/
public static UserTarget createUserTarget(String address, int version,
long timeOut, int level, String securityName) {
Address targetAddress = GenericAddress.parse(address);
return createUserTarget(targetAddress, version, timeOut, level,
securityName);
}
}
转载请注明来自：Michael's blog @ http://sjsky.iteye.com
-----------------------------------分 ------------------------------------隔 ------------------------------------线 --------------------------------------
分享到：
评论
5 楼
muzi_tao
2012-01-13
为什么不贴上snmp SET的例子呢？
4 楼
sjsky
2011-08-10
iamblackwolf 写道
代码好强大，thanks
3 楼
iamblackwolf
2011-08-10
代码好强大，thanks
2 楼
sjsky
2011-06-17
chen4w 写道
文章简洁扼要，有帮助，谢谢！但为什么不贴SnmpUtil的代码呢？
这个util类里有很多其他的东西，这里的示例中只引用了一个方法，创建共同体SnmpUtil.createCommunityTarget(....)，当时懒了点 没有贴的，已把SnmpUtil的代码清理了下，贴出了部分
1 楼
chen4w
2011-06-16
文章简洁扼要，有帮助，谢谢！但为什么不贴SnmpUtil的代码呢？
发表评论
-
SNMP4j实现Trap的示例
2012-07-20 10:52 1746目录： 环境参数 代码示例 详见 ... -
SNMP4j实现同步和异步的WALK的示例
2012-07-19 14:10 1453目录： 环境参数 代码示例 同步WA ... -
SNMP4j实现同步和异步的GET的示例
2012-07-19 14:09 1560目录： 环境参数 代码示例 同步GE ... -
JRobin绘制指定时间段的流量图
2012-06-21 08:39 1430详见： http://www.micmiu.com ... -
SNMP4j之基础介绍
2011-05-08 15:35 3461blog迁移至:http://www ... -
SNMP之JRobin画图
2010-11-18 12:57 2712blog迁移至:http://www.micmiu.c ... -
SNMP之JRobin Core学习
2010-11-15 08:46 3573blog迁移至:http://www.micmiu.c ...
相关推荐
Java来实现snmp的get、walk代码示例
java版的SNMP_get,SNMP_walk,SNMP_getbulk,详细举例代码完整版！！
Java实现snmp的get和walk代码示例.doc snmp4j.chm snmp.chm SnmpMain.java snmp配置说明.doc snmp协议详细讲解.doc ToolsetAdministratorGuide.pdf ToolsetQuickStartGuide.pdf 常用oids.txt 为什么积分越来越少，...
snmp4j get walk 方式获取数据
snmp的walk函数的实现，和测试程序
使用Java进行SNMP编程-SNMP4J-代码实例,代码实例实现了GET, GETNEXT, GETBULK, Walk, SET操作; 提供于做服务器监控的朋友；
SNMPWALK是一个通过SNMP GET-NEXT类型PDU，实现对目标AGENT的某指定MIB分支信息进行完整提取输出的命令工作。 snmpwalk是SNMP的一个工具，它使用SNMP的GETNEXT请求查询指定OID（SNMP协议中的对象标识）入口的所有OID...
利用snmp4j实现snmp协议三个版本的get、getnext、set、trap操作的源代码，帮助你快速上手snmp协议的实现
java实现snmp数据包发送和接收资料，个人收集的，免费下吧。
Java使用SNMP4J实现snmp trap接口发送消息_20170808_LK
在eclipse上编译成功，且可以运行，实现了get，getnext，set等功能。
java毕业设计——java基于SNMP网络设备MIB信息采集系统的设计与实现(论文+源代码).zip java毕业设计——java基于SNMP网络设备MIB信息采集系统的设计与实现(论文+源代码).zip java毕业设计——java基于SNMP网络设备...
java编程实现SNMP管理站，完成对SNMP代理的远程访问。
用于监听代理进程的Trap信息，用于向管理进程发送Trap信息。
JAVA基于SNMP网络设备MIB信息采集(论文+源代码) 这两年太卷了，毕设和毕业 答辩竞争激烈，越写越卷，没有创新和亮点的毕业答辩基本达不到老师的要求。 现在学长为你们准备了JAVA毕业设计项目，需要的自取哦。JAVA...
【摘要】在本文中，设计了一个针对TCP/IP网络的基于SNMP网络设备的MIB信息采集系统。这个系统采用三层模型进行设计，最底层负责SNMP中基本对象编码、定义，与设备连接...【关键字】 基于Web的网络管理,SNMP,MIB, Java
用java实现的snmp协议 开机基于此代码开发snmp程序。
该工具为snmpget、snmpwalk命令行工具，可以直接用于命令拼接执行。
NULL 博文链接：https://yuhao224.iteye.com/blog/1040673