Examples with VariableBinding org.snmp4j.smi.VariableBinding used on opensource projects

Example 11 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project camel by apache.

the class TrapTest method testSendReceiveTraps.

@Test
public void testSendReceiveTraps() throws Exception {
    // Create a trap PDU
    PDU trap = new PDU();
    trap.setType(PDU.TRAP);
    OID oid = new OID("1.2.3.4.5");
    trap.add(new VariableBinding(SnmpConstants.snmpTrapOID, oid));
    // put your uptime here
    trap.add(new VariableBinding(SnmpConstants.sysUpTime, new TimeTicks(5000)));
    trap.add(new VariableBinding(SnmpConstants.sysDescr, new OctetString("System Description")));
    //Add Payload
    Variable var = new OctetString("some string");
    trap.add(new VariableBinding(oid, var));
    // Send it
    LOG.info("Sending pdu " + trap);
    Endpoint endpoint = context.getEndpoint("direct:snmptrap");
    Exchange exchange = endpoint.createExchange();
    exchange.getIn().setBody(trap);
    Producer producer = endpoint.createProducer();
    producer.process(exchange);
    synchronized (this) {
        Thread.sleep(1000);
    }
    // If all goes right it should come here
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedMessageCount(1);
    mock.assertIsSatisfied();
    List<Exchange> exchanges = mock.getExchanges();
    SnmpMessage msg = (SnmpMessage) exchanges.get(0).getIn();
    PDU receivedTrap = msg.getSnmpMessage();
    Assert.assertEquals(trap, receivedTrap);
    if (LOG.isInfoEnabled()) {
        LOG.info("Received SNMP TRAP:");
        Vector<? extends VariableBinding> variableBindings = receivedTrap.getVariableBindings();
        for (VariableBinding vb : variableBindings) {
            LOG.info("  " + vb.toString());
        }
    }
}

Example 12 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project nifi by apache.

the class SNMPGetter method get.

/**
 * Construct the PDU to perform the SNMP Get request and returns
 * the result in order to create the flow file.
 * @return {@link ResponseEvent}
 */
public ResponseEvent get() {
    try {
        PDU pdu = null;
        if (this.target.getVersion() == SnmpConstants.version3) {
            pdu = new ScopedPDU();
        } else {
            pdu = new PDU();
        }
        pdu.add(new VariableBinding(this.oid));
        pdu.setType(PDU.GET);
        return this.snmp.get(pdu, this.target);
    } catch (IOException e) {
        logger.error("Failed to get information from SNMP agent; " + this, e);
        throw new ProcessException(e);
    }
}

Example 13 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project nifi by apache.

the class SetSNMP method addVariables.

/**
 * Method to construct {@link VariableBinding} based on {@link FlowFile}
 * attributes in order to update the {@link PDU} that is going to be sent to
 * the SNMP Agent.
 * @param pdu {@link PDU} to be sent
 * @param attributes {@link FlowFile} attributes
 * @return true if at least one {@link VariableBinding} has been created, false otherwise
 */
private boolean addVariables(PDU pdu, Map<String, String> attributes) {
    boolean result = false;
    for (Entry<String, String> attributeEntry : attributes.entrySet()) {
        if (attributeEntry.getKey().startsWith(SNMPUtils.SNMP_PROP_PREFIX)) {
            String[] splits = attributeEntry.getKey().split("\\" + SNMPUtils.SNMP_PROP_DELIMITER);
            String snmpPropName = splits[1];
            String snmpPropValue = attributeEntry.getValue();
            if (SNMPUtils.OID_PATTERN.matcher(snmpPropName).matches()) {
                Variable var = null;
                if (splits.length == 2) {
                    // no SMI syntax defined
                    var = new OctetString(snmpPropValue);
                } else {
                    int smiSyntax = Integer.valueOf(splits[2]);
                    var = this.stringToVariable(snmpPropValue, smiSyntax);
                }
                if (var != null) {
                    VariableBinding varBind = new VariableBinding(new OID(snmpPropName), var);
                    pdu.add(varBind);
                    result = true;
                }
            }
        }
    }
    return result;
}

Example 14 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project opennms by OpenNMS.

the class TrapUtils method getTrapData.

/**
 * Gets the trap identity.
 *
 * @param trapNotification the trap notification
 * @return the identity
 */
public static TrapData getTrapData(TrapInformation trapNotification) {
    if (trapNotification instanceof Snmp4JV1TrapInformation) {
        Snmp4JV1TrapInformation info = (Snmp4JV1TrapInformation) trapNotification;
        TrapIdentity identity = info.getTrapIdentity();
        TrapData data = new TrapData(identity.getEnterpriseId(), identity.getGeneric(), identity.getSpecific());
        for (int i = 0; i < info.getPduLength(); i++) {
            VariableBinding v = info.getVarBindAt(i);
            SnmpValue value = new Snmp4JValue(v.getVariable());
            data.addParameter("." + v.getOid().toString(), value.toDisplayString());
        }
        return data;
    } else if (trapNotification instanceof Snmp4JV2TrapInformation) {
        Snmp4JV2TrapInformation info = (Snmp4JV2TrapInformation) trapNotification;
        TrapIdentity identity = info.getTrapIdentity();
        TrapData data = new TrapData(identity.getEnterpriseId(), identity.getGeneric(), identity.getSpecific());
        for (int i = 0; i < info.getPduLength(); i++) {
            VariableBinding v = info.getVarBindAt(i);
            SnmpValue value = new Snmp4JValue(v.getVariable());
            data.addParameter("." + v.getOid().toString(), value.toDisplayString());
        }
        return data;
    }
    return null;
}

Example 15 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project opennms by OpenNMS.

the class MockProxy method processGet.

/**
 * @param request
 * @return
 */
private PDU processGet(PDU request) {
    PDU response = request;
    response.setErrorIndex(0);
    response.setErrorStatus(0);
    response.setType(PDU.RESPONSE);
    Vector<? extends VariableBinding> varBinds = response.getVariableBindings();
    for (int i = 0; i < varBinds.size(); i++) {
        VariableBinding varBind = varBinds.get(i);
        VariableBinding nextVarBind = m_agent.get(varBind.getOid());
        if (nextVarBind == null) {
            if (response instanceof PDUv1) {
                if (response.getErrorIndex() == 0) {
                    response.setErrorIndex(i + 1);
                    response.setErrorStatus(PDU.noSuchName);
                }
            } else {
                varBind.setVariable(Null.endOfMibView);
            }
        } else {
            response.set(i, nextVarBind);
        }
    }
    return response;
}