引用
本实例可以根据具体OID采集到相关
设备的信息,也可以遍例设备所有信息。先在本机启用
SNMP
协议,并设置PUBLIC字符串; 若不清楚系统设备OID(包括交换机、路由器等设备)
可以下载工具"MG-SOFT+MIB+Browse"查询OID,以下类为一个工具类:
class="java" name="code">
package com.sunshine.monitor.comm.quart.util;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Vector;
import org.snmp4j.PDU;
import org.snmp4j.event.ResponseEvent;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.util.DefaultPDUFactory;
import org.snmp4j.util.PDUFactory;
import org.snmp4j.util.TableEvent;
import org.snmp4j.util.TableUtils;
/**
* 操作系统进程信息监控
*
* @author OUYANG 2014/3/28
*
*/
public class SystemProcessTabdata extends AbstractTabdata {
public SystemProcessTabdata(String ip, String community, int version) throws Exception {
super(ip, community, version);
}
public SystemProcessTabdata(String ip, String community, int version,
int retries, int timeout) throws Exception {
super(ip, community, version, retries, timeout);
}
/**
* OID具休某个标识, 最后一位标识为实例标识
*/
@Override
public Object queryGetTabData(String... oids) {
try {
PDU pdu = new PDU();
for (String oid : oids) {
pdu.addAll(new VariableBinding[] { new VariableBinding(new OID(
oid)) });
}
// 请求类型
pdu.setType(PDU.GET);
// 响应
ResponseEvent respEvnt = snmp.send(pdu, target);
//
if (respEvnt != null && respEvnt.getResponse() != null) {
Vector recVBs = respEvnt.getResponse().getVariableBindings();
for (int i = 0; i < recVBs.size(); i++) {
VariableBinding recVB = (VariableBinding) recVBs
.elementAt(i);
System.out.println(recVB.getOid() + " : "
+ recVB.getVariable());
}
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* BULK遍历,必须设置属性MaxRepetitions,默认为零
*/
@Override
public Object queryBulkTabData(String... oids) {
try {
PDU pdu = new PDU();
for (String oid : oids) {
pdu.addAll(new VariableBinding[] { new VariableBinding(new OID(
oid)) });
}
pdu.setMaxRepetitions(getMaxRepetitions());
pdu.setNonRepeaters(0);
pdu.setType(PDU.GETBULK);
ResponseEvent respEvnt = snmp.send(pdu, target);
if (respEvnt != null && respEvnt.getResponse() != null) {
Vector recVBs = respEvnt.getResponse().getVariableBindings();
for (int i = 0; i < recVBs.size(); i++) {
VariableBinding recVB = (VariableBinding) recVBs
.elementAt(i);
System.out.println(recVB.getOid() + " : "
+ recVB.getVariable());
}
}
} catch (NullPointerException n) {
throw n;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* WALK遍历,数量过大避免使用此方法
*/
@Override
public Object queryWalkTabData(String oid) {
Map<String, List<String>> map = null;
try {
PDUFactory pf = new DefaultPDUFactory(PDU.GET);
TableUtils tu = new TableUtils(snmp, pf);
OID[] columns = new OID[1];
columns[0] = new VariableBinding(new OID(oid)).getOid();
List<TableEvent> list = tu.getTable(target, columns, null, null);
StringBuffer sb = new StringBuffer(50);
map = new LinkedHashMap<String, List<String>>();
for (int i = 0; i < list.size(); i++) {
TableEvent te = (TableEvent) list.get(i);
VariableBinding[] vb = te.getColumns();
if (vb != null) {
for (int j = 0; j < vb.length; j++) {
OID toid = vb[j].getOid();
String val = vb[j].getVariable().toString();
String processId = getProcessId(toid);
List<String> dlist = getDataList(map, processId);
dlist.add(val);
}
} else {
throw new NullPointerException("被监控系统的网络不通或IP或其它相关配置错识!");
}
}
} catch (Exception e) {
e.printStackTrace();
}
return map;
}
/**
*
* @param str
* @return
*/
public Properties getProperties(String str) {
Properties properies = null;
try {
// System.out.println(System.getProperty("file.encoding"));
// http://hi.baidu.com/sodarfish/item/965a9b3427eaa1d66c15e940
byte[] buf = str.getBytes("UTF-8");
ByteArrayInputStream inStream = new ByteArrayInputStream(buf);
properies = new Properties();
properies.load(inStream);
inStream.close();
System.out.println(properies.toString());
String value = (String) properies
.get("1.3.6.1.2.1.25.4.2.1.4.4092");
System.out.println("key=" + value);
} catch (IOException e) {
e.printStackTrace();
}
return properies;
}
/**
* 获取进程编号
*
* @param oid
* @return
*/
public String getProcessId(OID oid) {
String t_oid = oid.toString().trim();
int pos = t_oid.lastIndexOf(".");
String processId = t_oid.substring(pos + 1, t_oid.length());
return processId;
}
/**
* 获取进程列表信息
*
* @param map
* @param processId
* @return
*/
public List<String> getDataList(Map<String, List<String>> map,
String processId) {
if (map.containsKey(processId)) {
return (List) map.get(processId);
} else {
List<String> dlist = new LinkedList<String>();
map.put(processId, dlist);
return dlist;
}
}
public static void main(String[] args) throws Exception {
// public:jcbk
SystemProcessTabdata snmpGet = new SystemProcessTabdata("localhost",
"jcbk", 1);
Map map = (Map)snmpGet.queryWalkTabData("1.3.6.1.2.1.25.4.2.1");
Collection c = map.values();
for (Object obj : c) {
System.out.println(obj.toString());
}
}
}
- Snmp_Process.rar (4.4 KB)
- 下载次数: 0