Hi
I have to send custom messages in trap to Opennms Server.
I tried with JoeSNMP and SNMP4j to send traps to server, but i cant see traps
in Server side.
I have pasted the code below for both JoeSNMP and SNMP4j.
How to configure OID in server side to monitor ?
Do i need to create custom OID ?
Can any one say where im wrong.
I have configured a custom OID as per the following links
http://opennms.org/wiki/SNMP_Reports_How-To
http://conf.se/?p=112
----------------------------------------------------------------------
code for JoeSNMP
----------------------------------------------------------------------
public class snmpagent implements SnmpHandler {
/** SNMP parameter for community */
private static final String PARAM_COMMUNITY = "public";
/** SNMP parameter for number of retries */
private static final int PARAM_RETRIES = 10;
/** SNMP parameter for timeout */
private static final int PARAM_TIMEOUT = 5000;
/** SNMP parameter for generic type (V1 only) */
private static final int PARAM_GENERIC_TYPE = 0;
/** SNMP parameter for specific type (V1 only) */
private static final int PARAM_SPECIFIC_TYPE = 0;
/** SNMP OID of the sent trap */
private String m_trapOid;
/** Holds the reference to the SNMP session */
private SnmpSession m_session;
public snmpagent(String managerAddress, int managerPort,
String trapOid) throws Exception {
// Memorize attributes
m_trapOid = trapOid;
// Build the SNMP session
try {
// Create the peer object
SnmpPeer peer = new SnmpPeer(InetAddress.getByName(managerAddress));
peer.setPort(managerPort);
peer.setRetries(PARAM_RETRIES);
peer.setTimeout(PARAM_TIMEOUT);
SnmpParameters parameters = peer.getParameters();
parameters.setReadCommunity(PARAM_COMMUNITY);
System.out.println(managerAddress+"~~~~~~~~"+managerPort+"~~~~~~~~"+trapOid);
// Create the session object
m_session = new SnmpSession(peer);
m_session.setDefaultHandler(this);
} catch (Exception e) {
System.out.println("SNMP agent creation error");
}
}
public void close() {
m_session.close();
System.out.println("Session closed :"+m_session.isClosed());
}
public static void main(String[] args) throws Exception {
snmpagent s=new snmpagent("192.168.1.151", 162,
".1.3.6.1.4.1.2021.8.2.101.2");
s.sendV2Trap("Test");
s.close();
}
public void sendV2Trap(String message) {
try {
// Set SNMP version as V2
SnmpPeer peer = m_session.getPeer();
System.out.println("Peeer port "+peer.getPort());
System.out.println("Peeer IP "+peer.getPeer());
SnmpParameters parameters = peer.getParameters();
parameters.setVersion(SnmpSMI.SNMPV2);
// Create trap
SnmpPduRequest trapPdu = new SnmpPduRequest(SnmpPduPacket.V2TRAP);
trapPdu.addVarBind(new SnmpVarBind(new SnmpObjectId(m_trapOid),
new SnmpOctetString(message.getBytes())));
// Send trap
System.out.println("Sending trap");
m_session.send(trapPdu);
System.out.println("Finished sending trap
:"+m_session.getOutstandingCount());
} catch (Exception e) {
System.out.println("SNMP send error");
}
}
public void snmpInternalError(SnmpSession session, int err, SnmpSyntax pdu) {
System.out.println("SNMP internal error, code: " + err);
}
public void snmpTimeoutError(SnmpSession session, SnmpSyntax pdu) {
System.out.println("SNMP timeout");
}
public void snmpReceivedPdu(SnmpSession session, int cmd, SnmpPduPacket pdu) {
// Do nothing (we're not interested in incoming SNMP messages)
}
}
-------------------------------------------------------------
Code for SNMP4J
-------------------------------------------------------------
public class TestSnmp4j {
public static void main(String[] args) throws IOException {
TransportMapping transport = new DefaultUdpTransportMapping();
Snmp snmp = new Snmp(transport);
snmp.listen();
CommunityTarget target1 = new CommunityTarget();
target1.setAddress(new UdpAddress("192.168.1.151/162"));
target1.setCommunity(new OctetString("public"));
target1.setVersion(SnmpConstants.version2c);
PDU request = new PDU();
request.setType(PDU.TRAP);
request.add(new VariableBinding(new
OID(".1.3.6.1.4.1.2021.8.2.101.2"), new OctetString("Test Trap")));
ResponseEvent responseEvent = snmp.send(request, target1);
System.out.println("~~~~~~~~"+request);
ResponseEvent response = snmp.send(request, target1);
}
}
Thanks & Regards
P. Kaviarasu |Senior Software Engineer - CDO
T: +91 44 6108 4100 | Ext:4553 | F: +91 44 6108 4101
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