Examples with PDUv1 org.snmp4j.PDUv1 used on opensource projects

Example 1 with PDUv1

use of org.snmp4j.PDUv1 in project opennms by OpenNMS.

the class Snmp4JUtils method convertPduToBytes.

/**
	 * @param address
	 * @param port
	 * @param community
	 * @param pdu
	 * 
	 * @return Byte array representing the {@link PDU} in either SNMPv1 or SNMPv2 
	 * format, depending on the type of the {@link PDU} object.
	 */
public static byte[] convertPduToBytes(InetAddress address, int port, String community, PDU pdu) throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<byte[]> bytes = new AtomicReference<>();
    // IP address is optional when using the DummyTransport because
    // all requests are sent to the {@link DummyTransportResponder}
    final DummyTransport<IpAddress> transport = new DummyTransport<IpAddress>(null);
    final AbstractTransportMapping<IpAddress> responder = transport.getResponder(null);
    // Add a DummyTransportResponder listener that will receive the raw bytes of the PDU
    responder.addTransportListener(new TransportListener() {

        @Override
        public void processMessage(TransportMapping transport, Address address, ByteBuffer byteBuffer, TransportStateReference state) {
            byteBuffer.rewind();
            final byte[] byteArray = new byte[byteBuffer.remaining()];
            byteBuffer.get(byteArray);
            bytes.set(byteArray);
            byteBuffer.rewind();
            latch.countDown();
        }
    });
    // Create our own MessageDispatcher since we don't need to do all
    // of the crypto operations necessary to initialize SNMPv3 which is slow
    MessageDispatcher dispatcher = new MessageDispatcherImpl();
    dispatcher.addMessageProcessingModel(new MPv1());
    dispatcher.addMessageProcessingModel(new MPv2c());
    Snmp snmp = new Snmp(dispatcher, responder);
    snmp.listen();
    CommunityTarget target = new CommunityTarget();
    target.setCommunity(new OctetString(community));
    if (pdu instanceof PDUv1) {
        target.setVersion(SnmpConstants.version1);
    } else {
        target.setVersion(SnmpConstants.version2c);
    }
    target.setAddress(Snmp4JAgentConfig.convertAddress(address, port));
    snmp.send(pdu, target, transport);
    latch.await();
    return bytes.get();
}

Example 2 with PDUv1

use of org.snmp4j.PDUv1 in project opennms by OpenNMS.

the class Snmp4JStrategy method buildAgentConfig.

protected SnmpAgentConfig buildAgentConfig(String address, int port, String community, PDU pdu) throws UnknownHostException {
    SnmpAgentConfig config = new SnmpAgentConfig();
    config.setAddress(InetAddress.getByName(address));
    config.setPort(port);
    config.setVersion(pdu instanceof PDUv1 ? SnmpAgentConfig.VERSION1 : SnmpAgentConfig.VERSION2C);
    return config;
}

Example 3 with PDUv1

use of org.snmp4j.PDUv1 in project opennms by OpenNMS.

the class MockProxy method processGetNext.

/**
     * @param request
     * @return
     */
private PDU processGetNext(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.getNext(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;
}

Example 4 with PDUv1

use of org.snmp4j.PDUv1 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;
}

Example 5 with PDUv1

use of org.snmp4j.PDUv1 in project camel by apache.

the class SnmpConverters method toString.

/**
     * Converts the given snmp pdu to a String body.
     *
     * @param pdu       the snmp pdu
     * @return  the text content
     */
@Converter
public static String toString(PDU pdu) {
    // the output buffer
    StringBuilder sb = new StringBuilder();
    // prepare the header
    if (pdu.getType() == PDU.V1TRAP) {
        sb.append("<" + SNMP_TAG + " messageType=\"v1\">");
    } else {
        sb.append(SNMP_TAG_OPEN);
    }
    // Extract SNMPv1 specific variables
    if (pdu.getType() == PDU.V1TRAP) {
        PDUv1 v1pdu = (PDUv1) pdu;
        entryAppend(sb, "enterprise", v1pdu.getEnterprise().toString());
        entryAppend(sb, "agent-addr", v1pdu.getAgentAddress().toString());
        entryAppend(sb, "generic-trap", Integer.toString(v1pdu.getGenericTrap()));
        entryAppend(sb, "specific-trap", Integer.toString(v1pdu.getSpecificTrap()));
        entryAppend(sb, "time-stamp", Long.toString(v1pdu.getTimestamp()));
    }
    // now loop all variables of the response
    for (Object o : pdu.getVariableBindings()) {
        VariableBinding b = (VariableBinding) o;
        sb.append(ENTRY_TAG_OPEN);
        sb.append(OID_TAG_OPEN);
        sb.append(b.getOid().toString());
        sb.append(OID_TAG_CLOSE);
        sb.append(VALUE_TAG_OPEN);
        sb.append(StringHelper.xmlEncode(b.getVariable().toString()));
        sb.append(VALUE_TAG_CLOSE);
        sb.append(ENTRY_TAG_CLOSE);
    }
    // prepare the footer
    sb.append(SNMP_TAG_CLOSE);
    return sb.toString();
}