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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/utils/knotc/estimator.h | |
parent | Initial commit. (diff) | |
download | knot-upstream.tar.xz knot-upstream.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/utils/knotc/estimator.h')
-rw-r--r-- | src/utils/knotc/estimator.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/utils/knotc/estimator.h b/src/utils/knotc/estimator.h new file mode 100644 index 0000000..ee05d5f --- /dev/null +++ b/src/utils/knotc/estimator.h @@ -0,0 +1,64 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program 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. + + This program 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 this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#pragma once + +#include "contrib/qp-trie/trie.h" +#include "libzscanner/scanner.h" + +/*! + * \brief Memory estimation context. + */ +typedef struct { + trie_t *node_table; /*!< Same trie is in actual zone. */ + size_t rdata_size; /*!< Estimated RDATA size. */ + size_t dname_size; /*!< Estimated DNAME size. */ + size_t node_size; /*!< Estimated node size. */ + size_t record_count; /*!< Total record count for zone. */ +} zone_estim_t; + +/*! + * \brief Size counting malloc wrapper. + * + * \param ctx Data for malloc wrapper. + * \param len Size to allocate. + * + * \retval Alloc'd data on succes. + * \retval NULL on error. + */ +void *estimator_malloc(void *ctx, size_t len); + +/*! + * \brief Size counting free wrapper. + * + * \param p Data to free. + */ +void estimator_free(void *p); + +/*! + * \brief For use with scanner - counts memsize of RRSets. + * + * \param scanner Scanner context. + */ +void estimator_rrset_memsize_wrap(zs_scanner_t *scanner); + +/*! + * \brief Cleanup function for use with trie. + * + * \param val Data to free. + * \param data Unused variable. + */ +int estimator_free_trie_node(trie_val_t *val, void *data); |