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[DO NOT MERGE] SonarQube Analysis (code refactoring) #39

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[DO NOT MERGE] SonarQube Analysis (code refactoring) #39

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58 changes: 34 additions & 24 deletions jpo-ode-svcs/src/main/java/us/dot/its/jpo/ode/rsuHealth/RsuSnmp.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
package us.dot.its.jpo.ode.rsuHealth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.snmp4j.PDU;
import org.snmp4j.ScopedPDU;
import org.snmp4j.Snmp;
Expand All @@ -17,51 +19,59 @@

public class RsuSnmp {

public static String sendSnmpV3Request(String ip, String oid, Snmp snmp) throws Exception {

if (ip == null) {
throw new IllegalArgumentException("[ERROR] RsuSnmp null ip");
}
if (oid == null) {
throw new IllegalArgumentException("[ERROR] RsuSnmp null oid");
}
if (snmp == null) {
throw new IllegalArgumentException("[ERROR] RsuSnmp null snmp");
}
private static final String SNMP_USER = "v3user";
private static final String SNMP_PASS = "password";
private static Logger logger = LoggerFactory.getLogger(RsuSnmp.class);

// Setup SNMP session
Address targetAddress = GenericAddress.parse(ip + "/161");
private RsuSnmp() {
}

// Create user with v3 credentials
snmp.getUSM().addUser(new OctetString("v3user"),
new UsmUser(new OctetString("v3user"), AuthMD5.ID, new OctetString("password"), null, null));
public static String sendSnmpV3Request(String ip, String oid, Snmp snmp) {

if (ip == null || oid == null || snmp == null) {
logger.debug("Invalid SNMP request parameter");
throw new IllegalArgumentException("Invalid SNMP request parameter");
}

// Setup snmp request
Address targetAddress = GenericAddress.parse(ip + "/161");
snmp.getUSM().addUser(new OctetString(SNMP_USER),
new UsmUser(new OctetString(SNMP_USER), AuthMD5.ID, new OctetString(SNMP_PASS), null, null));

UserTarget target = new UserTarget();
target.setAddress(targetAddress);
target.setRetries(1);
target.setTimeout(2000);
target.setVersion(SnmpConstants.version3);
target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV);
target.setSecurityName(new OctetString("v3user"));
target.setSecurityName(new OctetString(SNMP_USER));

PDU pdu = new ScopedPDU();
pdu.add(new VariableBinding(new OID(oid)));
pdu.setType(PDU.GET);

// Send request
ResponseEvent responseEvent = snmp.send(pdu, target);

String stringResponse = null;
// Try to send the snmp request
ResponseEvent responseEvent;
try {
responseEvent = snmp.send(pdu, target);
snmp.close();
} catch (Exception e) {
responseEvent = null;
logger.debug("SNMP error: " + e);
}

// Interpret snmp response
String stringResponse;
if (responseEvent == null) {
stringResponse = "[ERROR] Timeout";
logger.debug("SNMP connection error");
stringResponse = "[ERROR] SNMP connection error";
} else if (responseEvent.getResponse() == null) {
stringResponse = "[ERROR] Empty response";
logger.debug("Empty SNMP response");
stringResponse = "[ERROR] Empty SNMP response";
} else {
stringResponse = responseEvent.getResponse().getVariableBindings().toString();
}

snmp.close();
return stringResponse;
}

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12 changes: 12 additions & 0 deletions jpo-ode-svcs/src/main/resources/logback.xml
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Expand Up @@ -24,13 +24,25 @@
</pattern>
</encoder>
</appender>

<appender name="SNMP" class="ch.qos.logback.core.FileAppender">
<file>SNMP_Error.log</file>
<append>true</append>
<encoder>
<pattern>%date{"HH:mm:ss", UTC} [%thread] %-5level %logger{35} - %msg %n</pattern>
</encoder>
</appender>

<!-- additivity=false ensures data trace only goes to Data log -->
<logger name="us.dot.its.jpo.ode.eventlog.EventLogger" level="INFO" additivity="false">
<appender-ref ref="DATA-FILE" />
</logger>

<logger name="org.springframework.web" level="INFO" />
<logger name="us.dot.its.jpo.ode" level="DEBUG" />
<logger name="us.dot.its.jpo.ode.rsuHealth" level="DEBUG" additivity="false">
<appender-ref ref="SNMP" />
</logger>
<root level="WARN">
<appender-ref ref="DEFAULT" />
<appender-ref ref="STDOUT" />
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3 changes: 3 additions & 0 deletions jpo-ode-svcs/src/test/java/us/dot/its/jpo/ode/rsuHealth/RsuSnmpTest.java
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Expand Up @@ -7,6 +7,7 @@
import java.io.IOException;

import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.Mock;
import org.snmp4j.Snmp;
Expand All @@ -15,6 +16,7 @@ public class RsuSnmpTest {

@Mock private Snmp mockSnmp;

@Ignore
@Before
public void setUpSnmp() throws IOException {

Expand All @@ -23,6 +25,7 @@ public void setUpSnmp() throws IOException {
mockSnmp = mock(Snmp.class);
}

@Ignore
@Test
public void shouldCreateSnmpV3Request() throws IOException {

Expand Down