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/* Copyright © 2012 Brandon L Black <blblack@gmail.com>
*
* This file is part of gdnsd.
*
* gdnsd-plugin-geoip is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* gdnsd-plugin-geoip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with gdnsd. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef NLIST_H
#define NLIST_H
#include "ntree.h"
#include <gdnsd/compiler.h>
#include <inttypes.h>
#include <stdbool.h>
typedef struct nlist nlist_t;
// pre_norm flag indicates that the data to be added via _append()
// will already be in fully normalized form and order other than
// the possibility of dclist-based merges of adjacent subnets.
// This allows for significant optimizations in GeoIP input case,
// as GeoIP's data structure implies these guarantees when walked
// in order for _append().
F_NONNULL F_WUNUSED F_RETNN
nlist_t* nlist_new(const char* map_name, const bool pre_norm);
F_NONNULL
void nlist_destroy(nlist_t* nl);
F_NONNULL
void nlist_append(nlist_t* nl, const uint8_t* ipv6, const unsigned mask, const unsigned dclist);
// Call this when all nlist_append() are complete. For lists
// which are not "pre_norm", this does a bunch of normalization
// transformations on the data first (which can fail, hence
// the bool retval). "pre_norm" lists get their normalization
// state assert()'d expensively in debug builds.
// Regardless, storage is also realloc'd down to exact size.
F_NONNULL
void nlist_finish(nlist_t* nl);
// must pass through _finish() before *any* of the xlate/merge funcs below
F_NONNULL F_RETNN
ntree_t* nlist_xlate_tree(const nlist_t* nl);
F_NONNULL F_RETNN
ntree_t* nlist_merge2_tree(const nlist_t* nl_a, const nlist_t* nl_b);
// Just for debugging...
F_NONNULL
void nlist_debug_dump(const nlist_t* nl);
#endif // NLIST_H
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