| 1 | /* $Id: hash_drv.h,v 1.19 2011/06/28 00:13:48 sbajic Exp $ */ |
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| 2 | |
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| 3 | /* |
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| 4 | DSPAM |
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| 5 | COPYRIGHT (C) 2002-2012 DSPAM PROJECT |
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| 6 | |
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| 7 | This program is free software: you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU Affero General Public License as |
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| 9 | published by the Free Software Foundation, either version 3 of the |
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| 10 | License, or (at your option) any later version. |
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| 11 | |
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| 12 | This program is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU Affero General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Affero General Public License |
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| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 19 | |
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| 20 | */ |
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| 21 | |
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| 22 | #ifndef _HASH_DRV_H |
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| 23 | # define _HASH_DRV_H |
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| 24 | |
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| 25 | #ifdef HAVE_CONFIG_H |
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| 26 | #include <auto-config.h> |
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| 27 | #endif |
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| 28 | |
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| 29 | #include "config.h" |
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| 30 | #include "nodetree.h" |
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| 31 | #include "libdspam.h" |
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| 32 | |
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| 33 | #define HASH_REC_MAX 98317 |
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| 34 | #define HASH_EXTENT_MAX 49157 |
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| 35 | #define HASH_SEEK_MAX 100 |
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| 36 | |
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| 37 | typedef struct _hash_drv_header |
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| 38 | { |
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| 39 | unsigned long hash_rec_max; |
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| 40 | struct _ds_spam_totals totals; |
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| 41 | char padding[4]; /* Keep 8-byte alignment */ |
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| 42 | } *hash_drv_header_t; |
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| 43 | |
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| 44 | typedef struct _hash_drv_map |
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| 45 | { |
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| 46 | void *addr; |
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| 47 | int fd; |
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| 48 | size_t file_len; |
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| 49 | hash_drv_header_t header; |
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| 50 | char filename[MAX_FILENAME_LENGTH]; |
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| 51 | unsigned long max_seek; |
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| 52 | unsigned long max_extents; |
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| 53 | unsigned long extent_size; |
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| 54 | int pctincrease; |
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| 55 | int flags; |
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| 56 | } *hash_drv_map_t; |
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| 57 | |
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| 58 | struct _hash_drv_storage |
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| 59 | { |
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| 60 | hash_drv_map_t map; |
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| 61 | FILE *lock; |
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| 62 | int dbh_attached; |
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| 63 | |
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| 64 | unsigned long offset_nexttoken; |
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| 65 | hash_drv_header_t offset_header; |
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| 66 | unsigned long hash_rec_max; |
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| 67 | unsigned long max_seek; |
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| 68 | unsigned long max_extents; |
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| 69 | unsigned long extent_size; |
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| 70 | int pctincrease; |
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| 71 | int flags; |
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| 72 | |
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| 73 | struct nt *dir_handles; |
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| 74 | } *hash_drv_storage_t; |
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| 75 | |
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| 76 | typedef struct _hash_drv_spam_record |
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| 77 | { |
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| 78 | unsigned long long hashcode; |
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| 79 | unsigned long nonspam; |
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| 80 | unsigned long spam; |
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| 81 | } *hash_drv_spam_record_t; |
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| 82 | |
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| 83 | int _hash_drv_get_spamtotals |
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| 84 | (DSPAM_CTX * CTX); |
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| 85 | |
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| 86 | int _hash_drv_set_spamtotals |
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| 87 | (DSPAM_CTX * CTX); |
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| 88 | |
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| 89 | int _hash_drv_lock_get ( |
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| 90 | DSPAM_CTX *CTX, |
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| 91 | struct _hash_drv_storage *s, |
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| 92 | const char *username); |
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| 93 | |
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| 94 | int _hash_drv_lock_free ( |
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| 95 | struct _hash_drv_storage *s, |
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| 96 | const char *username); |
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| 97 | |
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| 98 | /* lock variant used by css tools */ |
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| 99 | FILE* _hash_tools_lock_get (const char *cssfilename); |
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| 100 | |
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| 101 | int _hash_tools_lock_free ( |
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| 102 | const char *cssfilename, |
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| 103 | FILE* lockfile); |
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| 104 | |
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| 105 | int _hash_drv_open( |
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| 106 | const char *filename, |
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| 107 | hash_drv_map_t map, |
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| 108 | unsigned long recmaxifnew, |
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| 109 | unsigned long max_seek, |
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| 110 | unsigned long max_extents, |
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| 111 | unsigned long extent_size, |
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| 112 | int pctincrease, |
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| 113 | int flags); |
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| 114 | |
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| 115 | int _hash_drv_close |
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| 116 | (hash_drv_map_t map); |
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| 117 | |
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| 118 | int _hash_drv_autoextend |
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| 119 | (hash_drv_map_t map, int extents, unsigned long last_extent_size); |
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| 120 | |
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| 121 | unsigned long _hash_drv_seek( |
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| 122 | hash_drv_map_t map, |
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| 123 | unsigned long offset, |
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| 124 | unsigned long long hashcode, |
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| 125 | int flags); |
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| 126 | |
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| 127 | int |
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| 128 | _hash_drv_set_spamrecord ( |
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| 129 | hash_drv_map_t map, |
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| 130 | hash_drv_spam_record_t wrec, |
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| 131 | unsigned long map_offset); |
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| 132 | |
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| 133 | unsigned long |
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| 134 | _hash_drv_get_spamrecord ( |
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| 135 | hash_drv_map_t map, |
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| 136 | hash_drv_spam_record_t wrec); |
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| 137 | |
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| 138 | #define HSEEK_INSERT 0x01 |
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| 139 | |
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| 140 | #define HMAP_AUTOEXTEND 0x01 |
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| 141 | |
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| 142 | #endif /* _HASH_DRV_H */ |
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