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

Example 6 with Snmp

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

the class MockAgentTest method testWalkSystem.

public void testWalkSystem() throws IOException {
    Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
    TableUtils walker = new TableUtils(snmp, new DefaultPDUFactory());
    snmp.listen();
    Address addr = new UdpAddress(InetAddress.getLocalHost(), 9161);
    //Address addr = new UdpAddress(InetAddressUtils.addr("192.168.0.100"), 161);
    Target target = new CommunityTarget(addr, new OctetString("public"));
    target.setVersion(SnmpConstants.version1);
    target.setTimeout(3000);
    target.setRetries(3);
    // Implements snmp4j API
    @SuppressWarnings("rawtypes") List results = walker.getTable(target, new OID[] { new OID("1.3.6.1.2.1.1") }, null, null);
    assertNotNull(results);
    assertFalse(results.isEmpty());
    assertTrue(results.get(results.size() - 1) instanceof TableEvent);
    TableEvent lastEvent = (TableEvent) results.get(results.size() - 1);
    MockUtil.println("Status of lastEvent is " + lastEvent.getStatus());
    assertEquals(TableEvent.STATUS_OK, lastEvent.getStatus());
}

Example 7 with Snmp

use of org.snmp4j.Snmp in project openhab1-addons by openhab.

the class SnmpBinding method listen.

/**
     * Configures a {@link DefaultUdpTransportMapping} and starts listening on
     * <code>SnmpBinding.port</code> for incoming SNMP Traps.
     */
private void listen() {
    UdpAddress address = new UdpAddress(SnmpBinding.port);
    try {
        if (transport != null) {
            transport.close();
            transport = null;
        }
        if (snmp != null) {
            snmp.close();
            snmp = null;
        }
        transport = new DefaultUdpTransportMapping(address);
        // add all security protocols
        SecurityProtocols.getInstance().addDefaultProtocols();
        SecurityProtocols.getInstance().addPrivacyProtocol(new Priv3DES());
        // Create Target
        if (SnmpBinding.community != null) {
            CommunityTarget target = new CommunityTarget();
            target.setCommunity(new OctetString(SnmpBinding.community));
        }
        snmp = new Snmp(transport);
        transport.listen();
        logger.debug("SNMP binding is listening on " + address);
    } catch (IOException ioe) {
        logger.error("SNMP binding couldn't listen to " + address, ioe);
    }
}

Example 8 with Snmp

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

the class SnmpOIDPoller method onResponse.

public void onResponse(ResponseEvent event) {
    // Always cancel async request when response has been received
    // otherwise a memory leak is created! Not canceling a request
    // immediately can be useful when sending a request to a broadcast address.
    ((Snmp) event.getSource()).cancel(event.getRequest(), this);
    // check for valid response
    if (event.getRequest() == null || event.getResponse() == null) {
        // ignore null requests/responses
        LOG.debug("Received invalid SNMP event. Request: " + event.getRequest() + " / Response: " + event.getResponse());
        return;
    }
    PDU pdu = event.getResponse();
    processPDU(pdu);
}

Example 9 with Snmp

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

the class SnmpOIDPoller method doStart.

@Override
protected void doStart() throws Exception {
    super.doStart();
    this.targetAddress = GenericAddress.parse(this.endpoint.getAddress());
    // either tcp or udp
    if ("tcp".equals(endpoint.getProtocol())) {
        this.transport = new DefaultTcpTransportMapping();
    } else if ("udp".equals(endpoint.getProtocol())) {
        this.transport = new DefaultUdpTransportMapping();
    } else {
        throw new IllegalArgumentException("Unknown protocol: " + endpoint.getProtocol());
    }
    this.snmp = new Snmp(this.transport);
    if (SnmpConstants.version3 == endpoint.getSnmpVersion()) {
        UserTarget userTarget = new UserTarget();
        userTarget.setSecurityLevel(endpoint.getSecurityLevel());
        userTarget.setSecurityName(convertToOctetString(endpoint.getSecurityName()));
        userTarget.setAddress(targetAddress);
        userTarget.setRetries(endpoint.getRetries());
        userTarget.setTimeout(endpoint.getTimeout());
        userTarget.setVersion(endpoint.getSnmpVersion());
        this.target = userTarget;
        USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
        SecurityModels.getInstance().addSecurityModel(usm);
        OID authProtocol = convertAuthenticationProtocol(endpoint.getAuthenticationProtocol());
        OctetString authPwd = convertToOctetString(endpoint.getAuthenticationPassphrase());
        OID privProtocol = convertPrivacyProtocol(endpoint.getPrivacyProtocol());
        OctetString privPwd = convertToOctetString(endpoint.getPrivacyPassphrase());
        UsmUser user = new UsmUser(convertToOctetString(endpoint.getSecurityName()), authProtocol, authPwd, privProtocol, privPwd);
        usm.addUser(convertToOctetString(endpoint.getSecurityName()), user);
        ScopedPDU scopedPDU = new ScopedPDU();
        if (endpoint.getSnmpContextEngineId() != null) {
            scopedPDU.setContextEngineID(new OctetString(endpoint.getSnmpContextEngineId()));
        }
        if (endpoint.getSnmpContextName() != null) {
            scopedPDU.setContextName(new OctetString(endpoint.getSnmpContextName()));
        }
        this.pdu = scopedPDU;
    } else {
        CommunityTarget communityTarget = new CommunityTarget();
        communityTarget.setCommunity(convertToOctetString(endpoint.getSnmpCommunity()));
        communityTarget.setAddress(targetAddress);
        communityTarget.setRetries(endpoint.getRetries());
        communityTarget.setTimeout(endpoint.getTimeout());
        communityTarget.setVersion(endpoint.getSnmpVersion());
        this.target = communityTarget;
        this.pdu = new PDU();
    }
    // listen to the transport
    if (LOG.isDebugEnabled()) {
        LOG.debug("Starting OID poller on {} using {} protocol", endpoint.getAddress(), endpoint.getProtocol());
    }
    this.transport.listen();
    if (LOG.isInfoEnabled()) {
        LOG.info("Started OID poller on {} using {} protocol", endpoint.getAddress(), endpoint.getProtocol());
    }
}

Example 10 with Snmp

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

the class SnmpProducer method process.

@Override
public void process(final Exchange exchange) throws Exception {
    // load connection data only if the endpoint is enabled
    Snmp snmp = null;
    TransportMapping<? extends Address> transport = null;
    try {
        LOG.debug("Starting SNMP producer on {}", this.endpoint.getAddress());
        // either tcp or udp
        if ("tcp".equals(this.endpoint.getProtocol())) {
            transport = new DefaultTcpTransportMapping();
        } else if ("udp".equals(this.endpoint.getProtocol())) {
            transport = new DefaultUdpTransportMapping();
        } else {
            throw new IllegalArgumentException("Unknown protocol: {} " + this.endpoint.getProtocol());
        }
        snmp = new Snmp(transport);
        LOG.debug("Snmp: i am sending");
        snmp.listen();
        ResponseEvent responseEvent = snmp.send(this.pdu, this.target);
        LOG.debug("Snmp: sended");
        if (responseEvent.getResponse() != null) {
            exchange.getIn().setBody(new SnmpMessage(responseEvent.getResponse()));
        } else {
            throw new TimeoutException("SNMP Producer Timeout");
        }
    } finally {
        try {
            transport.close();
        } catch (Exception e) {
        }
        try {
            snmp.close();
        } catch (Exception e) {
        }
    }
}