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

Example 16 with SimpleResolver

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

the class DnsProvisioningAdapter method afterPropertiesSet.

/**
 * <p>afterPropertiesSet</p>
 *
 * @throws java.lang.Exception if any.
 */
@Override
public void afterPropertiesSet() throws Exception {
    Assert.notNull(m_nodeDao, "DnsProvisioner requires a NodeDao which is not null.");
    // load current nodes into the map
    m_template.execute(new TransactionCallbackWithoutResult() {

        @Override
        public void doInTransactionWithoutResult(TransactionStatus arg0) {
            createDnsRecordMap();
        }
    });
    String levelString = System.getProperty("importer.adapter.dns.level");
    if (levelString != null) {
        Integer level = Integer.getInteger(levelString);
        if (level != null && level.intValue() > 0)
            m_level = level;
    }
    String dnsServer = System.getProperty("importer.adapter.dns.server");
    if (!StringUtils.isBlank(dnsServer)) {
        LOG.info("DNS property found: {}", dnsServer);
        if (dnsServer.contains(":")) {
            final String[] serverAddress = dnsServer.split(":");
            m_resolver = new SimpleResolver(serverAddress[0]);
            m_resolver.setPort(Integer.valueOf(serverAddress[1]));
        } else {
            m_resolver = new SimpleResolver(dnsServer);
        }
        // Doesn't work for some reason, haven't figured out why yet
        String key = System.getProperty("importer.adapter.dns.privatekey");
        if (key != null && key.length() > 0) {
            m_signature = key;
            m_resolver.setTSIGKey(TSIG.fromString(m_signature));
        }
    } else {
        LOG.warn("no DNS server configured, DnsProvisioningAdapter will not do anything!");
    }
}

Example 17 with SimpleResolver

use of org.xbill.DNS.SimpleResolver in project Signal-Android by WhisperSystems.

the class CustomDns method lookup.

@Override
@NonNull
public List<InetAddress> lookup(@NonNull String hostname) throws UnknownHostException {
    Resolver resolver = new SimpleResolver(dnsHostname);
    Lookup lookup = doLookup(hostname);
    lookup.setResolver(resolver);
    Record[] records = lookup.run();
    if (records != null) {
        List<InetAddress> ipv4Addresses = Stream.of(records).filter(r -> r.getType() == Type.A).map(r -> (ARecord) r).map(ARecord::getAddress).toList();
        if (ipv4Addresses.size() > 0) {
            return ipv4Addresses;
        }
    }
    throw new UnknownHostException(hostname);
}

Example 18 with SimpleResolver

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

the class DnsSdAdvertiserServiceTest method createSRVRecord.

private void createSRVRecord() throws TextParseException, IOException, UnknownHostException {
    // create a service manually
    final Name zone = Name.fromString(DnsSdTestHelper.REG_DOMAIN + ".");
    final Name type = Name.fromString("_" + DnsSdTestHelper.REG_SCHEME + "._" + DnsSdTestHelper.PROTO, zone);
    final String s = serviceInfo.getPriority() + " " + serviceInfo.getWeight() + " " + serviceInfo.getLocation().getPort() + " " + serviceInfo.getLocation().getHost() + ".";
    final Record record = Record.fromString(type, Type.SRV, DClass.IN, DnsSdTestHelper.TTL, s, zone);
    final Update 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);
}

Example 19 with SimpleResolver

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

the class DnsSdDiscoveryAdvertiser method connect.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.provider.dnssd.DnsSdDiscoveryLocator#connect(org.eclipse.ecf.core.identity.ID, org.eclipse.ecf.core.security.IConnectContext)
	 */
public void connect(final ID aTargetID, final IConnectContext connectContext) throws ContainerConnectException {
    // $NON-NLS-1$ //$NON-NLS-2$
    Trace.trace(Activator.PLUGIN_ID, DnsSdDebugOptions.METHODS_TRACING, this.getClass(), "connect(ID aTargetID, IConnectContext connectContext)", "connecting container");
    // connect can only be called once
    if (targetID != null || getConfig() == null) {
        throw new ContainerConnectException(Messages.DnsSdDiscoveryAdvertiser_Container_Already_Connected);
    }
    // TODO convert non DnsSdServiceTypeIDs into DSTIDs
    if (aTargetID == null) {
        targetID = new DnsSdServiceTypeID();
    } else {
        final Namespace ns = getConnectNamespace();
        try {
            targetID = (DnsSdServiceTypeID) ns.createInstance(new Object[] { aTargetID });
        } catch (IDCreateException e) {
            throw new ContainerConnectException(e);
        }
    }
    // instantiate a default resolver
    if (resolver == null) {
        try {
            resolver = new SimpleResolver();
            resolver.setTCP(true);
        } catch (UnknownHostException e) {
            throw new ContainerConnectException(e);
        }
    }
    // done setting up this provider, send event
    fireContainerEvent(new ContainerConnectingEvent(this.getID(), targetID, connectContext));
    fireContainerEvent(new ContainerConnectedEvent(this.getID(), targetID));
}