2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.33 1995-12-08 16:22:53 adam
8 * Work on update while servers are running. Three lock files introduced.
9 * The servers reload their registers when necessary, but they don't
10 * reestablish result sets yet.
12 * Revision 1.32 1995/12/07 17:38:46 adam
13 * Work locking mechanisms for concurrent updates/commit.
15 * Revision 1.31 1995/12/06 12:41:22 adam
16 * New command 'stat' for the index program.
17 * Filenames can be read from stdin by specifying '-'.
18 * Bug fix/enhancement of the transformation from terms to regular
19 * expressons in the search engine.
21 * Revision 1.30 1995/12/05 11:25:02 adam
22 * Include of zebraver.h.
24 * Revision 1.29 1995/11/28 09:09:40 adam
25 * Zebra config renamed.
26 * Use setting 'recordId' to identify record now.
27 * Bug fix in recindex.c: rec_release_blocks was invokeded even
28 * though the blocks were already released.
29 * File traversal properly deletes records when needed.
31 * Revision 1.28 1995/11/27 13:58:53 adam
32 * New option -t. storeStore data implemented in server.
34 * Revision 1.27 1995/11/25 10:24:06 adam
35 * More record fields - they are enumerated now.
36 * New options: flagStoreData flagStoreKey.
38 * Revision 1.26 1995/11/22 17:19:17 adam
39 * Record management uses the bfile system.
41 * Revision 1.25 1995/11/21 15:29:12 adam
42 * Config file 'base' read by default by both indexer and server.
44 * Revision 1.24 1995/11/21 15:01:15 adam
45 * New general match criteria implemented.
46 * New feature: document groups.
48 * Revision 1.23 1995/11/20 16:59:45 adam
49 * New update method: the 'old' keys are saved for each records.
51 * Revision 1.22 1995/11/20 11:56:26 adam
52 * Work on new traversal.
54 * Revision 1.21 1995/11/16 15:34:55 adam
55 * Uses new record management system in both indexer and server.
57 * Revision 1.20 1995/11/15 14:46:18 adam
58 * Started work on better record management system.
60 * Revision 1.19 1995/10/27 14:00:11 adam
61 * Implemented detection of database availability.
63 * Revision 1.18 1995/10/17 18:02:08 adam
64 * New feature: databases. Implemented as prefix to words in dictionary.
66 * Revision 1.17 1995/10/13 16:01:49 adam
69 * Revision 1.16 1995/10/10 12:24:38 adam
70 * Temporary sort files are compressed.
72 * Revision 1.15 1995/10/04 16:57:19 adam
73 * Key input and merge sort in one pass.
75 * Revision 1.14 1995/09/29 14:01:40 adam
78 * Revision 1.13 1995/09/28 14:22:56 adam
79 * Sort uses smaller temporary files.
81 * Revision 1.12 1995/09/28 12:10:32 adam
82 * Bug fixes. Field prefix used in queries.
84 * Revision 1.11 1995/09/27 12:22:28 adam
85 * More work on extract in record control.
86 * Field name is not in isam keys but in prefix in dictionary words.
88 * Revision 1.10 1995/09/14 07:48:23 adam
89 * Record control management.
91 * Revision 1.9 1995/09/11 13:09:33 adam
92 * More work on relevance feedback.
94 * Revision 1.8 1995/09/08 14:52:27 adam
95 * Minor changes. Dictionary is lower case now.
97 * Revision 1.7 1995/09/06 16:11:16 adam
98 * Option: only one word key per file.
100 * Revision 1.6 1995/09/05 15:28:39 adam
101 * More work on search engine.
103 * Revision 1.5 1995/09/04 12:33:42 adam
104 * Various cleanup. YAZ util used instead.
106 * Revision 1.4 1995/09/04 09:10:35 adam
107 * More work on index add/del/update.
108 * Merge sort implemented.
109 * Initial work on z39 server.
111 * Revision 1.3 1995/09/01 14:06:35 adam
112 * Split of work into more files.
114 * Revision 1.2 1995/09/01 10:30:24 adam
115 * More work on indexing. Not working yet.
117 * Revision 1.1 1995/08/31 14:50:24 adam
118 * New simple file index tool.
122 #include <zebraver.h>
123 #include <alexutil.h>
127 #define IT_MAX_WORD 256
128 #define IT_KEY_HAVE_SEQNO 1
129 #define IT_KEY_HAVE_FIELD 0
136 enum dirsKind { dirs_dir, dirs_file };
162 struct dirs_info *dirs_open (Dict dict, const char *rep);
163 struct dirs_entry *dirs_read (struct dirs_info *p);
164 struct dirs_entry *dirs_last (struct dirs_info *p);
165 void dirs_mkdir (struct dirs_info *p, const char *src, int ctime);
166 void dirs_rmdir (struct dirs_info *p, const char *src);
167 void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime);
168 void dirs_del (struct dirs_info *p, const char *src);
169 void dirs_free (struct dirs_info **pp);
171 struct dir_entry *dir_open (const char *rep);
172 void dir_sort (struct dir_entry *e);
173 void dir_free (struct dir_entry **e_p);
175 void repositoryUpdate (struct recordGroup *rGroup);
176 void repositoryAdd (struct recordGroup *rGroup);
177 void repositoryDelete (struct recordGroup *rGroup);
179 void key_open (int mem);
180 int key_close (void);
181 void key_write (int cmd, struct it_key *k, const char *str);
182 int key_compare (const void *p1, const void *p2);
183 int key_qsort_compare (const void *p1, const void *p2);
184 void key_logdump (int mask, const void *p);
185 void key_input (const char *dict_fname, const char *isam_fname,
186 int nkeys, int cache);
187 int merge_sort (char **buf, int from, int to);
189 #define TEMP_FNAME "keys%d.tmp"
190 #define FNAME_WORD_DICT "worddict"
191 #define FNAME_WORD_ISAM "wordisam"
192 #define FNAME_CONFIG "zebra.cfg"
194 #define GMATCH_DICT "gmatch"
195 #define FMATCH_DICT "fmatch"
197 struct strtab *strtab_mk (void);
198 int strtab_src (struct strtab *t, const char *name, void ***infop);
199 void strtab_del (struct strtab *t,
200 void (*func)(const char *name, void *info, void *data),
202 int index_char_cvt (int c);
203 int index_word_prefix (char *string, int attset_ordinal,
204 int local_attribute, const char *databaseName);
206 int fileExtract (SYSNO *sysno, const char *fname,
207 const struct recordGroup *rGroup, int deleteFlag);
209 void rec_prstat (void);
211 void zebraLockPrefix (char *pathPrefix);
213 void zebraIndexLockMsg (const char *str);
214 void zebraIndexUnlock (void);
215 void zebraIndexLock (int commitNow);
216 int zebraIndexWait (int commitPhase);
218 #define FNAME_MAIN_LOCK "zebraidx.LCK"
219 #define FNAME_COMMIT_LOCK "zebracmt.LCK"
220 #define FNAME_ORG_LOCK "zebraorg.LCK"
221 #define FNAME_TOUCH_TIME "zebraidx.time"