Package org.xbill.DNS

Examples of org.xbill.DNS.ExtendedResolver.send()

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      resolver.setTimeout(timeoutInSeconds);
      resolver.setTCP(true);

      Name name = ReverseMap.fromAddress(hostIp);
      Record record = Record.newRecord(name, Type.PTR, DClass.IN);
      Message response = resolver.send(newQuery(record));

      Record[] answers = response.getSectionArray(Section.ANSWER);
      if (answers.length == 0) {
        LOG.warn("no answer to DNS resolution attempt for "+hostIp+"; using fallback");
        return fallback(hostIp);
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0)
      return hostIp;
    else {
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0)
      return hostIp;
    else {
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        Name name = ReverseMap.fromAddress(ip);
        int type = Type.PTR;
        int dclass = DClass.IN;
        Record rec = Record.newRecord(name, type, dclass);
        Message query = Message.newQuery(rec);
        Message response = res.send(query);

        Record[] answers = response.getSectionArray(Section.ANSWER);
        if (answers.length == 0) {
            return null;
        } else {
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0) {
      // Fall back to standard Java: in contrast to dnsjava, this also reads /etc/hosts
      return new InetSocketAddress(hostIp, 0).getAddress().getCanonicalHostName();
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      resolver.setTimeout(timeoutInSeconds);
      resolver.setTCP(true);

      Name name = ReverseMap.fromAddress(hostIp);
      Record record = Record.newRecord(name, Type.PTR, DClass.IN);
      Message response = resolver.send(newQuery(record));

      Record[] answers = response.getSectionArray(Section.ANSWER);
      if (answers.length == 0) {
        return fallback(hostIp);
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0)
      return hostIp;
    else {
View Full Code Here
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