Examples with Update org.xbill.DNS.Update used on opensource projects

Example 1 with Update

use of org.xbill.DNS.Update in project opennms by OpenNMS.

the class ReverseDnsProvisioningAdapter method doUpdate.

private void doUpdate(AdapterOperation op) {
    LOG.debug("doUpdate: operation: {}", op.getType().name());
    for (ReverseDnsRecord record : m_reverseDnsProvisioningAdapterService.get(op.getNodeId())) {
        LOG.debug("doUpdate: ReverseDnsRecord: hostname: {} zone: {} ip address: {}", record.getIp().getHostAddress(), record.getHostname(), record.getZone());
        try {
            Update update = new Update(Name.fromString(record.getZone()));
            Name ptrRecord = ReverseMap.fromAddress(record.getIp());
            update.replace(ptrRecord, Type.PTR, 3600, record.getHostname());
            m_resolver.send(update);
            m_reverseDnsProvisioningAdapterService.update(op.getNodeId(), record);
        } catch (Exception e) {
            LOG.error("updateNode: Error handling updated event.", e);
            sendAndThrow(op.getNodeId(), e);
        }
    }
}

Example 2 with Update

use of org.xbill.DNS.Update in project opennms by OpenNMS.

the class DnsProvisioningAdapter method doUpdate.

private void doUpdate(AdapterOperation op) {
    OnmsNode node = null;
    LOG.debug("doUpdate: operation: {}", op.getType().name());
    try {
        node = m_nodeDao.get(op.getNodeId());
        if (node == null) {
            doDelete(op);
            return;
        }
        DnsRecord record = new DnsRecord(node, m_level);
        LOG.debug("doUpdate: DnsRecord: hostname: {} zone: {} ip address {}", record.getIp().getHostAddress(), record.getHostname(), record.getZone());
        DnsRecord oldRecord = m_nodeDnsRecordMap.get(Integer.valueOf(node.getId()));
        Update update = new Update(Name.fromString(record.getZone()));
        if (oldRecord != null && oldRecord.getHostname() != record.getHostname()) {
            update.delete(Name.fromString(oldRecord.getHostname()), Type.A);
        }
        update.replace(Name.fromString(record.getHostname()), Type.A, 3600, record.getIp().getHostAddress());
        m_resolver.send(update);
        m_nodeDnsRecordMap.put(Integer.valueOf(op.getNodeId()), record);
    } catch (Throwable e) {
        LOG.error("addNode: Error handling node added event.", e);
        sendAndThrow(op.getNodeId(), e);
    }
}

Example 3 with Update

use of org.xbill.DNS.Update in project ecf by eclipse.

the class DnsSdDiscoveryAdvertiser method sendToServer.

protected void sendToServer(final IServiceInfo serviceInfo, final boolean mode) {
    Assert.isNotNull(serviceInfo);
    Assert.isLegal(serviceInfo.getServiceID() instanceof DnsSdServiceID);
    final DnsSdServiceID serviceID = (DnsSdServiceID) serviceInfo.getServiceID();
    try {
        // TYPE.SRV
        final Record srvRecord = serviceID.toSRVRecord();
        // TYPE.TXT
        final Record[] txtRecords = serviceID.toTXTRecords(srvRecord);
        final Name name = serviceID.getDnsName();
        final String[] registrationDomains = getRegistrationDomains(serviceID.getServiceTypeID());
        for (int i = 0; i < registrationDomains.length; i++) {
            final Name zone = new Name(registrationDomains[i]);
            // $NON-NLS-1$
            final Name fqdn = new Name(name.toString() + "." + zone.toString());
            final Update update = new Update(zone);
            // TYPE.SRV
            if (mode == ADD) {
                // TODO add absent/present condition checks
                update.replace(srvRecord.withName(fqdn));
            } else {
                update.delete(srvRecord.withName(fqdn));
            }
            // TYPE.TXT
            for (int j = 0; j < txtRecords.length; j++) {
                if (mode == ADD) {
                    update.add(txtRecords[j].withName(fqdn));
                } else {
                    update.delete(txtRecords[j].withName(fqdn));
                }
            }
            // set up a the resolver for the given domain (a scope might use different domains)
            final Collection dnsServers = getUpdateDomain(zone);
            if (dnsServers.size() == 0) {
                throw new DnsSdDiscoveryException(Messages.DnsSdDiscoveryAdvertiser_No_DynDns_Servers_Found);
            }
            for (final Iterator iterator = dnsServers.iterator(); iterator.hasNext(); ) {
                final SRVRecord dnsServer = (SRVRecord) iterator.next();
                // try to send msg and fail gracefully if more dns servers are available
                final Name target = dnsServer.getTarget();
                final Message response;
                final InetAddress byName;
                try {
                    byName = InetAddress.getByName(target.toString());
                    ((SimpleResolver) resolver).setAddress(byName);
                    ((SimpleResolver) resolver).setPort(dnsServer.getPort());
                    response = resolver.send(update);
                } catch (UnknownHostException uhe) {
                    if (iterator.hasNext()) {
                        continue;
                    } else {
                        throw new DnsSdDiscoveryException(uhe);
                    }
                } catch (EOFException eof) {
                    if (iterator.hasNext()) {
                        continue;
                    } else {
                        throw new DnsSdDiscoveryException(eof);
                    }
                }
                // catch some errors and fall back to the next dnsServer
                if (response.getRcode() != Rcode.NOERROR) {
                    if (iterator.hasNext()) {
                        continue;
                    } else {
                        throw DnsSdDiscoveryException.getException(response.getRcode());
                    }
                }
            }
        }
    } catch (Exception e) {
        throw new DnsSdDiscoveryException(e);
    }
}

Example 4 with Update

use of org.xbill.DNS.Update in project ecf by eclipse.

the class DnsSdAdvertiserServiceTest method setUp.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.tests.discovery.AbstractDiscoveryTest#setUp()
	 */
protected void setUp() throws Exception {
    super.setUp();
    // purge all SRV records from the test domain
    ZoneTransferIn xfr = ZoneTransferIn.newAXFR(new Name(DnsSdTestHelper.REG_DOMAIN), DnsSdTestHelper.DNS_SERVER, null);
    List records = xfr.run();
    for (Iterator itr = records.iterator(); itr.hasNext(); ) {
        Record record = (Record) itr.next();
        String name = record.getName().toString();
        if (name.startsWith("_" + DnsSdTestHelper.REG_SCHEME + "._" + DnsSdTestHelper.PROTO)) {
            Update update = new Update(Name.fromString(DnsSdTestHelper.REG_DOMAIN + "."));
            update.delete(record);
            SimpleResolver resolver = new SimpleResolver(DnsSdTestHelper.DNS_SERVER);
            resolver.setTCP(true);
            resolver.setTSIGKey(new TSIG(DnsSdTestHelper.TSIG_KEY_NAME, DnsSdTestHelper.TSIG_KEY));
            Message response = resolver.send(update);
            int rcode = response.getRcode();
            assertTrue("", rcode == 0);
        }
    }
}

Example 5 with Update

use of org.xbill.DNS.Update in project ecf by eclipse.

the class DnsSdAdvertiserServiceTest method createTXTRecords.

private void createTXTRecords() throws TextParseException, IOException, UnknownHostException {
    final Name zone = Name.fromString(DnsSdTestHelper.REG_DOMAIN + ".");
    final Name name = Name.fromString("_" + DnsSdTestHelper.REG_SCHEME + "._" + DnsSdTestHelper.PROTO, zone);
    Update update = null;
    final IServiceProperties properties = serviceInfo.getServiceProperties();
    final Enumeration enumeration = properties.getPropertyNames();
    while (enumeration.hasMoreElements()) {
        final Object property = enumeration.nextElement();
        final String key = property.toString();
        final String value = (String) properties.getProperty(key).toString();
        final Record record = Record.fromString(name, Type.TXT, DClass.IN, serviceInfo.getTTL(), key + "=" + value, zone);
        update = new Update(zone);
        update.add(record);
    }
    final SimpleResolver resolver = new SimpleResolver(DnsSdTestHelper.DNS_SERVER);
    resolver.setTCP(true);
    resolver.setTSIGKey(new TSIG(DnsSdTestHelper.TSIG_KEY_NAME, DnsSdTestHelper.TSIG_KEY));
    final Message response = resolver.send(update);
    final int rcode = response.getRcode();
    assertTrue("", rcode == 0);
}