2 This file is part of GNUnet
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file consensus/strata_estimator.h
23 * @brief estimator of set difference
24 * @author Florian Dold
27 #ifndef GNUNET_CONSENSUS_STRATA_ESTIMATOR_H
28 #define GNUNET_CONSENSUS_STRATA_ESTIMATOR_H
31 #include "gnunet_common.h"
32 #include "gnunet_util_lib.h"
37 #if 0 /* keep Emacsens' auto-indent happy */
43 struct StrataEstimator
45 struct InvertibleBloomFilter **strata;
46 unsigned int strata_count;
47 unsigned int ibf_size;
52 strata_estimator_write (const struct StrataEstimator *se, void *buf);
56 strata_estimator_read (const void *buf, struct StrataEstimator *se);
59 struct StrataEstimator *
60 strata_estimator_create (unsigned int strata_count, uint32_t ibf_size, uint8_t ibf_hashnum);
64 strata_estimator_difference (const struct StrataEstimator *se1,
65 const struct StrataEstimator *se2);
69 strata_estimator_insert (struct StrataEstimator *se, struct IBF_Key key);
73 strata_estimator_destroy (struct StrataEstimator *se);
77 * Make a copy of a strata estimator.
79 * @param se the strata estimator to copy
82 struct StrataEstimator *
83 strata_estimator_dup (struct StrataEstimator *se);
86 #if 0 /* keep Emacsens' auto-indent happy */