PDUProcessor.java
11.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
package com.sitech.ismp.snmp;
import com.sitech.database.dao.TbAssestHostDao;
import com.sitech.ismp.coll.basic.TblATO_KPIDETAIL;
import com.sitech.util.Formater;
import org.apache.log4j.Logger;
import org.snmp4j.CommandResponder;
import org.snmp4j.CommandResponderEvent;
import org.snmp4j.PDU;
import org.snmp4j.PDUv1;
import org.snmp4j.smi.Address;
import org.snmp4j.smi.OctetString;
import org.snmp4j.smi.VariableBinding;
import java.io.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Hashtable;
import java.util.ResourceBundle;
import java.util.Vector;
import java.util.List;
import com.sitech.database.dao.TbCfgSnmpTrapOidDao;
public class PDUProcessor implements CommandResponder {
private static Logger logger = Logger.getLogger("SNMP_TRAP");
String swap_path;
String trap_config_path;
String error_path;
Hashtable trapMap = new Hashtable();
ResourceBundle snmpConfig =null;
static SimpleDateFormat format1=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public PDUProcessor() {
try {
snmpConfig = ResourceBundle.getBundle("snmp");
// 在snmp.properties获得snmp配置参数
this.swap_path = snmpConfig.getString("swap_path");
this.trap_config_path = snmpConfig.getString("trap_config_path");
this.error_path=snmpConfig.getString("error_file_path");
// initTrapConfig();
} catch (Exception e) {
e.printStackTrace();
System.out.println("initial swap_path config error......exit ");
}
}
private void initTrapConfig() {
if (this.trap_config_path != null) {
//读Trap配置信息，并把配置信息放到一个hashtable中。
File file = new File(System.getProperty("user.dir")+"/config/"+this.trap_config_path);
if (file.isFile()) {
FileReader fr = null;
BufferedReader bfr = null;
try {
fr = new FileReader(file);
bfr = new BufferedReader(fr);
String line = null;
while ((line = bfr.readLine()) != null) {
String[] trap_config = line.split(",");
if (trap_config != null && trap_config.length == 3) {
String oid = trap_config[0];
String kbp_class = trap_config[1];
String kpi_id = trap_config[2];
TrapDescription trapDes = new TrapDescription();
trapDes.setKbp_class(kbp_class);
trapDes.setKpi_id(kpi_id);
trapDes.setOid(oid);
this.trapMap.put(oid, trapDes);
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fr != null) {
try {
fr.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (bfr != null) {
try {
bfr.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
}
private void initTrapConfigByHsqldb(){
TbCfgSnmpTrapOidDao dao =new TbCfgSnmpTrapOidDao();
List list=dao.queryTbCfgSnmpTrapOid();
for(int i=0;i<list.size();i++){
TrapDescription trapDes=(TrapDescription)list.get(i);
String oid=trapDes.getOid();
this.trapMap.put(oid, trapDes);
}
}
public void processPdu(CommandResponderEvent respEvnt) {
// initTrapConfigByHsqldb();
// 解析Response
Address ad = respEvnt.getPeerAddress();
System.out.println("trap_from=" + ad.toString());
String trap_ip = ad.toString();
String ip = null;
//解析出IP地址
int index_split =0;
if(trap_ip!=null&&!trap_ip.trim().equals("")){
index_split = trap_ip.indexOf("/");
if(index_split>0){
ip=trap_ip.substring(0,index_split);
}
}
if(ip!=null){
recodeSnmpTrapRequest(respEvnt);
//根据IP地址在tb_assest_host中查询对应的unit_id，如果没有找到，则将该信息记录在缺失文件中
String unit_id="";
TbAssestHostDao dao=new TbAssestHostDao();
unit_id=dao.queryUnitIdByIPaddress(ip);
if(!"".equals(unit_id)) {
if (respEvnt != null && respEvnt.getPDU() != null) {
PDU pdu=respEvnt.getPDU();
doPDUVariableBinding(pdu,unit_id);
}
}
}else{
//缺少监控实体，进行记录
try {
String time= PDUProcessor.format1.format(new Date());
File errorFile=new File(error_path);
FileWriter fw= null;
fw = new FileWriter(errorFile,true);
PrintWriter pw=new PrintWriter(fw);
pw.println(time+"------IP:"+ip+"对应实体缺失");
fw.flush();
pw.close();
fw.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void doPDUVariableBinding(PDU pdu,String unit_id){
PDU trappdu=pdu;
PDUv1 pdu1=null;
// 记录SNMP数据发送过来的时间
Vector snmp_kpi_set = new Vector();
Vector recVBs=null;
if(trappdu instanceof PDUv1){
pdu1 = (PDUv1) trappdu;
//判断是否是通用告警
int common_alarm=pdu1.getGenericTrap();
String kpi_value="";
switch (common_alarm){
case SNMPConstant.COLDSTARTv1:
kpi_value= SNMPConstant.COLDSTARTDes;
break;
case SNMPConstant.WARMSTARTv1:
kpi_value= SNMPConstant.WARMSTARTDes;
break;
case SNMPConstant.LINKDAOWNv1:
kpi_value= SNMPConstant.LINKDAOWNDes;
break;
case SNMPConstant.LINKUPv1:
kpi_value= SNMPConstant.LINKUPDes;
break;
case SNMPConstant.AUTHENTICATIONFAILUREv1:
kpi_value= SNMPConstant.AUTHENTICATIONFAILUREDes;
break;
case SNMPConstant.EGPNEIGHBORLOSSv1:
kpi_value= SNMPConstant.EGPNEIGHBORLOSSDes;
break;
}
if(!"".equals(kpi_value)){
TrapDescription trapDes = (TrapDescription) this.trapMap
.get(SNMPConstant.TRAPOID);
String kbp_class = trapDes.getKbp_class();
String kpi_id = trapDes.getKpi_id();
TblATO_KPIDETAIL ato_kpi_detail = new TblATO_KPIDETAIL();
try {
ato_kpi_detail.setKPI_ID(kpi_id);
ato_kpi_detail.setUNIT_ID(unit_id);
ato_kpi_detail.setKPI_VALUE(kpi_value);
ato_kpi_detail.setCLL_TIME(new Date());
} catch (ParseException e) {
e.printStackTrace();
}
snmp_kpi_set.add(ato_kpi_detail);
}
recVBs=pdu1.getVariableBindings();
}else{
recVBs=pdu.getVariableBindings();
}
for (int i = 0; i < recVBs.size(); i++) {
VariableBinding recVB = (VariableBinding) recVBs.elementAt(i);
String oid = recVB.getOid().toString();
String value = "";
try {
OctetString octs = new OctetString();
octs = (OctetString) recVB.getVariable();
if (octs.getValue() != null){
value = new String(octs.getValue(), "GBK");
}
} catch (Exception e) {
value = recVB.getVariable().toString();
}
if(SNMPConstant.TRAPOID.equals(oid)){
//V2.0版本的通用告警
if(value.equals(SNMPConstant.COLDSTART)) value= SNMPConstant.COLDSTARTDes;
if(value.equals(SNMPConstant.WARMSTART)) value= SNMPConstant.WARMSTARTDes;
if(value.equals(SNMPConstant.LINKDAOWN)) value= SNMPConstant.LINKDAOWNDes;
if(value.equals(SNMPConstant.LINKUP)) value= SNMPConstant.LINKUPDes;
if(value.equals(SNMPConstant.AUTHENTICATIONFAILURE)) value= SNMPConstant.AUTHENTICATIONFAILUREDes;
}
TrapDescription trapDes = (TrapDescription) this.trapMap
.get(oid);
if (trapDes == null) {
//接受到的Trap信息未在trap_config中配置
System.out.println("can't match Trap config oid=" + oid + "~" + value);
} else {
//找到匹配的Trap配置，生成告警
try {
String kbp_class = trapDes.getKbp_class();
String kpi_id = trapDes.getKpi_id();
TblATO_KPIDETAIL ato_kpi_detail = new TblATO_KPIDETAIL();
ato_kpi_detail.setUNIT_ID(unit_id);
ato_kpi_detail.setKPI_ID(kpi_id);
ato_kpi_detail.setKPI_VALUE(value);
ato_kpi_detail.setCLL_TIME(new Date());
snmp_kpi_set.add(ato_kpi_detail);
} catch (Exception e) {
e.printStackTrace();
}
}
}
// 把生成的KPI写到文件中
writeKPI2file(snmp_kpi_set);
}
/**
* 把kpi写到swap文件中
*
*
*/
public void writeKPI2file(Vector KPISet) {
PrintWriter kpiFileStream = null;
for (int i = 0; i < KPISet.size(); i++) {
TblATO_KPIDETAIL tblato_kpidetail = (TblATO_KPIDETAIL) KPISet
.elementAt(i);
if (tblato_kpidetail == null)
continue;
if (kpiFileStream == null) {
String kpiFileName = null;
try {
String swapPath = this.swap_path;
if (swapPath != null && !swapPath.endsWith("/")) {
swapPath = swapPath + "/";
}
String cTime = "";
try {
cTime = Formater
.getDateAsFile(tblato_kpidetail.CLL_TIME);
} catch (ParseException e) {
logger.error("", e);
}
kpiFileName = swapPath + cTime
+ tblato_kpidetail.KPI_ID;
System.out.println("kpiFileName:"+kpiFileName);
kpiFileStream = new PrintWriter(new FileWriter(Formater
.replaceSpace(kpiFileName), true), true);
} catch (IOException e) {
e.printStackTrace();
}
}
String cDateTime = "";
cDateTime = Formater
.datetimeToString(tblato_kpidetail.CLL_TIME);
kpiFileStream.println(tblato_kpidetail.UNIT_ID + " "
+ tblato_kpidetail.KPI_ID + " " + cDateTime + " "
+ tblato_kpidetail.KPI_VALUE);
}
kpiFileStream.flush();
kpiFileStream.close();
}
private void recodeSnmpTrapRequest(CommandResponderEvent respEvnt){
PDU pdu=respEvnt.getPDU();
Vector recVBs=pdu.getVariableBindings();
for (int i = 0; i < recVBs.size(); i++) {
VariableBinding recVB = (VariableBinding) recVBs.elementAt(i);
String oid = recVB.getOid().toString();
String value = "";
try {
OctetString octs = new OctetString();
octs = (OctetString) recVB.getVariable();
if (octs.getValue() != null){
value = new String(octs.getValue(), "GBK");
}
} catch (Exception e) {
value = recVB.getVariable().toString();
}
logger.info("oid="+oid+"------------value="+value);
}
}
}