2 * Copyright (C) 1995-1996, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.46 1996-11-08 11:10:19 adam
8 * Buffers used during file match got bigger.
9 * Compressed ISAM support everywhere.
10 * Bug fixes regarding masking characters in queries.
11 * Redesigned Regexp-2 queries.
13 * Revision 1.45 1996/10/29 14:09:42 adam
14 * Use of cisam system - enabled if setting isamc is 1.
16 * Revision 1.44 1996/06/06 12:08:40 quinn
17 * Added showRecord function
19 * Revision 1.43 1996/06/04 10:18:12 adam
20 * Search/scan uses character mapping module.
22 * Revision 1.42 1996/06/04 08:20:16 quinn
25 * Revision 1.41 1996/06/04 07:54:55 quinn
28 * Revision 1.40 1996/05/31 09:06:58 quinn
29 * Work on character-set handling
31 * Revision 1.39 1996/05/14 14:04:33 adam
32 * In zebraidx, the 'stat' command is improved. Statistics about ISAM/DICT
35 * Revision 1.38 1996/04/12 07:02:23 adam
36 * File update of single files.
38 * Revision 1.37 1996/03/26 16:01:13 adam
39 * New setting lockPath: directory of various lock files.
41 * Revision 1.36 1996/03/21 14:50:09 adam
42 * File update uses modify-time instead of change-time.
44 * Revision 1.35 1996/02/12 18:45:36 adam
45 * New fileVerboseFlag in record group control.
47 * Revision 1.34 1995/12/11 11:43:29 adam
48 * Locking based on fcntl instead of flock.
49 * Setting commitEnable removed. Command line option -n can be used to
50 * prevent commit if commit setting is defined in the configuration file.
52 * Revision 1.33 1995/12/08 16:22:53 adam
53 * Work on update while servers are running. Three lock files introduced.
54 * The servers reload their registers when necessary, but they don't
55 * reestablish result sets yet.
57 * Revision 1.32 1995/12/07 17:38:46 adam
58 * Work locking mechanisms for concurrent updates/commit.
60 * Revision 1.31 1995/12/06 12:41:22 adam
61 * New command 'stat' for the index program.
62 * Filenames can be read from stdin by specifying '-'.
63 * Bug fix/enhancement of the transformation from terms to regular
64 * expressons in the search engine.
66 * Revision 1.30 1995/12/05 11:25:02 adam
67 * Include of zebraver.h.
69 * Revision 1.29 1995/11/28 09:09:40 adam
70 * Zebra config renamed.
71 * Use setting 'recordId' to identify record now.
72 * Bug fix in recindex.c: rec_release_blocks was invokeded even
73 * though the blocks were already released.
74 * File traversal properly deletes records when needed.
76 * Revision 1.28 1995/11/27 13:58:53 adam
77 * New option -t. storeStore data implemented in server.
79 * Revision 1.27 1995/11/25 10:24:06 adam
80 * More record fields - they are enumerated now.
81 * New options: flagStoreData flagStoreKey.
83 * Revision 1.26 1995/11/22 17:19:17 adam
84 * Record management uses the bfile system.
86 * Revision 1.25 1995/11/21 15:29:12 adam
87 * Config file 'base' read by default by both indexer and server.
89 * Revision 1.24 1995/11/21 15:01:15 adam
90 * New general match criteria implemented.
91 * New feature: document groups.
93 * Revision 1.23 1995/11/20 16:59:45 adam
94 * New update method: the 'old' keys are saved for each records.
96 * Revision 1.22 1995/11/20 11:56:26 adam
97 * Work on new traversal.
99 * Revision 1.21 1995/11/16 15:34:55 adam
100 * Uses new record management system in both indexer and server.
102 * Revision 1.20 1995/11/15 14:46:18 adam
103 * Started work on better record management system.
105 * Revision 1.19 1995/10/27 14:00:11 adam
106 * Implemented detection of database availability.
108 * Revision 1.18 1995/10/17 18:02:08 adam
109 * New feature: databases. Implemented as prefix to words in dictionary.
111 * Revision 1.17 1995/10/13 16:01:49 adam
114 * Revision 1.16 1995/10/10 12:24:38 adam
115 * Temporary sort files are compressed.
117 * Revision 1.15 1995/10/04 16:57:19 adam
118 * Key input and merge sort in one pass.
120 * Revision 1.14 1995/09/29 14:01:40 adam
123 * Revision 1.13 1995/09/28 14:22:56 adam
124 * Sort uses smaller temporary files.
126 * Revision 1.12 1995/09/28 12:10:32 adam
127 * Bug fixes. Field prefix used in queries.
129 * Revision 1.11 1995/09/27 12:22:28 adam
130 * More work on extract in record control.
131 * Field name is not in isam keys but in prefix in dictionary words.
133 * Revision 1.10 1995/09/14 07:48:23 adam
134 * Record control management.
136 * Revision 1.9 1995/09/11 13:09:33 adam
137 * More work on relevance feedback.
139 * Revision 1.8 1995/09/08 14:52:27 adam
140 * Minor changes. Dictionary is lower case now.
142 * Revision 1.7 1995/09/06 16:11:16 adam
143 * Option: only one word key per file.
145 * Revision 1.6 1995/09/05 15:28:39 adam
146 * More work on search engine.
148 * Revision 1.5 1995/09/04 12:33:42 adam
149 * Various cleanup. YAZ util used instead.
151 * Revision 1.4 1995/09/04 09:10:35 adam
152 * More work on index add/del/update.
153 * Merge sort implemented.
154 * Initial work on z39 server.
156 * Revision 1.3 1995/09/01 14:06:35 adam
157 * Split of work into more files.
159 * Revision 1.2 1995/09/01 10:30:24 adam
160 * More work on indexing. Not working yet.
162 * Revision 1.1 1995/08/31 14:50:24 adam
163 * New simple file index tool.
167 #include <zebraver.h>
168 #include <zebrautl.h>
174 #define IT_MAX_WORD 256
175 #define IT_KEY_HAVE_SEQNO 1
176 #define IT_KEY_HAVE_FIELD 0
185 enum dirsKind { dirs_dir, dirs_file };
212 void getFnameTmp (char *fname, int no);
214 struct dirs_info *dirs_open (Dict dict, const char *rep);
215 struct dirs_info *dirs_fopen (Dict dict, const char *path);
216 struct dirs_entry *dirs_read (struct dirs_info *p);
217 struct dirs_entry *dirs_last (struct dirs_info *p);
218 void dirs_mkdir (struct dirs_info *p, const char *src, time_t mtime);
219 void dirs_rmdir (struct dirs_info *p, const char *src);
220 void dirs_add (struct dirs_info *p, const char *src, int sysno, time_t mtime);
221 void dirs_del (struct dirs_info *p, const char *src);
222 void dirs_free (struct dirs_info **pp);
224 struct dir_entry *dir_open (const char *rep);
225 void dir_sort (struct dir_entry *e);
226 void dir_free (struct dir_entry **e_p);
228 void repositoryUpdate (struct recordGroup *rGroup);
229 void repositoryAdd (struct recordGroup *rGroup);
230 void repositoryDelete (struct recordGroup *rGroup);
231 void repositoryShow (struct recordGroup *rGroup);
233 void key_open (int mem);
234 int key_close (void);
235 int key_compare (const void *p1, const void *p2);
236 int key_qsort_compare (const void *p1, const void *p2);
237 void key_logdump (int mask, const void *p);
238 void inv_prstat (void);
239 void key_input (int nkeys, int cache);
240 ISAMC_M key_isamc_m (void);
241 int merge_sort (char **buf, int from, int to);
243 #define FNAME_DICT "dict"
244 #define FNAME_ISAM "isam"
245 #define FNAME_ISAMC "isamc"
246 #define FNAME_CONFIG "zebra.cfg"
248 #define GMATCH_DICT "gmatch"
249 #define FMATCH_DICT "fmatch"
251 struct strtab *strtab_mk (void);
252 int strtab_src (struct strtab *t, const char *name, void ***infop);
253 void strtab_del (struct strtab *t,
254 void (*func)(const char *name, void *info, void *data),
256 int index_char_cvt (int c);
257 int index_word_prefix (char *string, int attset_ordinal,
258 int local_attribute, const char *databaseName);
260 int fileExtract (SYSNO *sysno, const char *fname,
261 const struct recordGroup *rGroup, int deleteFlag);
263 void rec_prstat (void);
265 void zebraLockPrefix (char *pathPrefix);
267 void zebraIndexLockMsg (const char *str);
268 void zebraIndexUnlock (void);
269 void zebraIndexLock (int commitNow);
270 int zebraIndexWait (int commitPhase);
272 #define FNAME_MAIN_LOCK "zebraidx.LCK"
273 #define FNAME_COMMIT_LOCK "zebracmt.LCK"
274 #define FNAME_ORG_LOCK "zebraorg.LCK"
275 #define FNAME_TOUCH_TIME "zebraidx.time"
277 int zebraLock (int fd, int wr);
278 int zebraLockNB (int fd, int wr);
279 int zebraUnlock (int fd);
281 void init_charmap(void);
282 char **map_chrs_input(char **from, int len);
283 const char *map_chrs_output(const char **from);