qid_gen.h

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// Copyright (C) 2011-2021 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
// qid_gen defines a generator for query id's
//
// We probably want to merge this with the weighted random in the nsas
// (and other parts where we need randomness, perhaps another thing
// for a general libutil?)
 
#ifndef QID_GEN_H
#define QID_GEN_H
 
#include <cryptolink/crypto_rng.h>
#include <stdint.h>
 
namespace isc {
namespace dns {
 
class QidGenerator {
public:
    static QidGenerator& getInstance();
 
    QidGenerator();
 
    uint16_t generateQid();
};
 
} // namespace dns
} // namespace isc
 
#endif // QID_GEN_H