Examples with DnsQuestion io.netty.handler.codec.dns.DnsQuestion used on opensource projects

Example 11 with DnsQuestion

use of io.netty.handler.codec.dns.DnsQuestion in project netty by netty.

the class TcpDnsServer method handleQueryResp.

private static void handleQueryResp(DefaultDnsResponse msg) {
    if (msg.count(DnsSection.QUESTION) > 0) {
        DnsQuestion question = msg.recordAt(DnsSection.QUESTION, 0);
        System.out.printf("name: %s%n", question.name());
    }
    for (int i = 0, count = msg.count(DnsSection.ANSWER); i < count; i++) {
        DnsRecord record = msg.recordAt(DnsSection.ANSWER, i);
        if (record.type() == DnsRecordType.A) {
            // just print the IP after query
            DnsRawRecord raw = (DnsRawRecord) record;
            System.out.println(NetUtil.bytesToIpAddress(ByteBufUtil.getBytes(raw.content())));
        }
    }
}

Example 12 with DnsQuestion

use of io.netty.handler.codec.dns.DnsQuestion in project netty by netty.

the class DnsResolveContext method followCname.

private void followCname(DnsQuestion question, String cname, DnsQueryLifecycleObserver queryLifecycleObserver, Promise<List<T>> promise) {
    final DnsQuestion cnameQuestion;
    final DnsServerAddressStream stream;
    try {
        cname = cnameResolveFromCache(cnameCache(), cname);
        stream = getNameServers(cname);
        cnameQuestion = new DefaultDnsQuestion(cname, question.type(), dnsClass);
    } catch (Throwable cause) {
        queryLifecycleObserver.queryFailed(cause);
        PlatformDependent.throwException(cause);
        return;
    }
    query(stream, 0, cnameQuestion, queryLifecycleObserver.queryCNAMEd(cnameQuestion), true, promise, null);
}

Example 13 with DnsQuestion

use of io.netty.handler.codec.dns.DnsQuestion in project netty by netty.

the class DnsQueryContext method query.

void query(boolean flush, ChannelPromise writePromise) {
    final DnsQuestion question = question();
    final InetSocketAddress nameServerAddr = nameServerAddr();
    final DnsQuery query = newQuery(id);
    query.setRecursionDesired(recursionDesired);
    query.addRecord(DnsSection.QUESTION, question);
    for (DnsRecord record : additionals) {
        query.addRecord(DnsSection.ADDITIONAL, record);
    }
    if (optResource != null) {
        query.addRecord(DnsSection.ADDITIONAL, optResource);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("{} WRITE: {}, [{}: {}], {}", channel(), protocol(), id, nameServerAddr, question);
    }
    sendQuery(query, flush, writePromise);
}