Package io.netty.handler.codec.dns

Examples of io.netty.handler.codec.dns.DnsResponse.header()

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    private final class DnsResponseHandler extends ChannelHandlerAdapter {
        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
            try {
                final DnsResponse res = (DnsResponse) msg;
                final int queryId = res.header().id();

                if (logger.isDebugEnabled()) {
                    logger.debug("{} RECEIVED: [{}: {}], {}", ch, queryId, res.sender(), res);
                }
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                final ScheduledFuture<?> timeoutFuture = qCtx.timeoutFuture();
                if (timeoutFuture != null) {
                    timeoutFuture.cancel(false);
                }

                if (res.header().responseCode() == DnsResponseCode.NOERROR) {
                    cache(q, res);
                    promises.set(queryId, null);

                    Promise<DnsResponse> qPromise = qCtx.promise();
                    if (qPromise.setUncancellable()) {
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                    if (qPromise.setUncancellable()) {
                        qPromise.setSuccess(res.retain());
                    }
                } else {
                    qCtx.retry(res.sender(),
                               "response code: " + res.header().responseCode() +
                               " with " + res.answers().size() + " answer(s) and " +
                               res.authorityResources().size() + " authority resource(s)");
                }
            } finally {
                ReferenceCountUtil.safeRelease(msg);
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        for (Entry<String, Future<DnsResponse>> e: futures.entrySet()) {
            String hostname = e.getKey();
            DnsResponse response = e.getValue().sync().getNow();

            assertThat(response.header().responseCode(), is(DnsResponseCode.NOERROR));
            List<DnsResource> mxList = new ArrayList<DnsResource>();
            for (DnsResource r: response.answers()) {
                if (r.type() == DnsType.MX) {
                    mxList.add(r);
                }
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