1 /* $Id: index.h,v 1.106 2004-05-26 13:52:25 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
35 #include <sys/times.h>
45 #define ISAM_DEFAULT "c"
58 #define IT_MAX_WORD 256
59 #define IT_KEY_HAVE_SEQNO 1
60 #define IT_KEY_HAVE_FIELD 0
69 enum dirsKind { dirs_dir, dirs_file };
84 void getFnameTmp (Res res, char *fname, int no);
86 struct dirs_info *dirs_open (Dict dict, const char *rep, int rw);
87 struct dirs_info *dirs_fopen (Dict dict, const char *path);
88 struct dirs_entry *dirs_read (struct dirs_info *p);
89 struct dirs_entry *dirs_last (struct dirs_info *p);
90 void dirs_mkdir (struct dirs_info *p, const char *src, time_t mtime);
91 void dirs_rmdir (struct dirs_info *p, const char *src);
92 void dirs_add (struct dirs_info *p, const char *src, int sysno, time_t mtime);
93 void dirs_del (struct dirs_info *p, const char *src);
94 void dirs_free (struct dirs_info **pp);
96 struct dir_entry *dir_open (const char *rep, const char *base,
98 void dir_sort (struct dir_entry *e);
99 void dir_free (struct dir_entry **e_p);
101 void repositoryUpdate (ZebraHandle zh, const char *path);
102 void repositoryAdd (ZebraHandle zh, const char *path);
103 void repositoryDelete (ZebraHandle zh, const char *path);
104 void repositoryShow (ZebraHandle zh, const char *path);
106 int key_open (ZebraHandle zh, int mem);
107 int key_close (ZebraHandle zh);
108 int key_compare (const void *p1, const void *p2);
109 char *key_print_it (const void *p, char *buf);
110 int key_get_pos (const void *p);
111 int key_compare_it (const void *p1, const void *p2);
112 int key_qsort_compare (const void *p1, const void *p2);
113 void key_logdump (int mask, const void *p);
114 void inv_prstat (ZebraHandle zh);
115 void inv_compact (BFiles bfs);
116 void key_input (ZebraHandle zh, int nkeys, int cache, Res res);
117 ISAMS_M *key_isams_m (Res res, ISAMS_M *me);
118 ISAMC_M *key_isamc_m (Res res, ISAMC_M *me);
119 ISAMD_M *key_isamd_m (Res res, ISAMD_M *me);
120 int merge_sort (char **buf, int from, int to);
121 int key_SU_code (int ch, char *out);
123 #define FNAME_DICT "dict"
124 #define FNAME_ISAM "isam"
125 #define FNAME_ISAMC "isamc"
126 #define FNAME_ISAMS "isams"
127 #define FNAME_ISAMH "isamh"
128 #define FNAME_ISAMD "isamd"
129 #define FNAME_CONFIG "zebra.cfg"
131 #define GMATCH_DICT "gmatch"
132 #define FMATCH_DICT "fmatch"
134 struct strtab *strtab_mk (void);
135 int strtab_src (struct strtab *t, const char *name, void ***infop);
136 void strtab_del (struct strtab *t,
137 void (*func)(const char *name, void *info, void *data),
139 int index_char_cvt (int c);
140 int index_word_prefix (char *string, int attset_ordinal,
141 int local_attribute, const char *databaseName);
144 void zebraIndexLockMsg (ZebraHandle zh, const char *str);
145 void zebraIndexUnlock (ZebraHandle zh);
146 int zebraIndexLock (BFiles bfs, ZebraHandle zh, int commitNow, const char *rval);
147 int zebraIndexWait (ZebraHandle zh, int commitPhase);
149 #define FNAME_MAIN_LOCK "zebraidx.LCK"
150 #define FNAME_COMMIT_LOCK "zebracmt.LCK"
151 #define FNAME_ORG_LOCK "zebraorg.LCK"
152 #define FNAME_TOUCH_TIME "zebraidx.time"
154 typedef struct zebra_lock_info *ZebraLockHandle;
155 ZebraLockHandle zebra_lock_create(const char *dir,
156 const char *file, int excl_flag);
157 void zebra_lock_destroy (ZebraLockHandle h);
158 int zebra_lock (ZebraLockHandle h);
159 int zebra_lock_nb (ZebraLockHandle h);
160 int zebra_unlock (ZebraLockHandle h);
161 int zebra_lock_fd (ZebraLockHandle h);
162 void zebra_lock_prefix (Res res, char *dst);
163 char *zebra_mk_fname (const char *dir, const char *name);
165 int zebra_lock_w (ZebraLockHandle h);
166 int zebra_lock_r (ZebraLockHandle h);
168 void zebra_load_atts (data1_handle dh, Res res);
170 int key_SU_decode (int *ch, const unsigned char *out);
171 int key_SU_encode (int ch, char *out);
173 #define ENCODE_BUFLEN 768
175 int sysno; /* previously written values for delta-compress */
178 int prevsys; /* buffer for skipping insert/delete pairs */
181 int keylen; /* tells if we have an unwritten key in buf, and how long*/
182 char buf[ENCODE_BUFLEN];
185 void encode_key_init (struct encode_info *i);
186 char *encode_key_int (int d, char *bp);
187 void encode_key_write (char *k, struct encode_info *i, FILE *outf);
188 void encode_key_flush (struct encode_info *i, FILE *outf);
197 typedef struct zebra_set *ZebraSet;
199 typedef struct zebra_rank_class {
200 struct rank_control *control;
203 struct zebra_rank_class *next;
227 struct sortKey *next;
231 struct zebra_register {
242 int registerState; /* 0 (no commit pages), 1 (use commit pages) */
243 time_t registerChange;
246 ZebraExplainInfo zei;
248 char *server_path_prefix;
250 ZebraMaps zebra_maps;
251 ZebraRankClass rank_classes;
256 int active; /* 0=shutdown, 1=enabled and inactive, 2=activated */
260 struct sortKeys sortKeys;
262 struct sortKey *sortKeys;
271 struct zebra_service {
275 struct zebra_session *sessions;
276 struct zebra_register *regs;
277 Zebra_mutex_cond session_lock;
279 const char *path_root;
283 struct zebra_session {
284 struct zebra_session *next;
285 struct zebra_service *service;
286 struct zebra_register *reg;
288 char *xadmin_databaseName;
295 ZebraLockHandle lock_normal;
296 ZebraLockHandle lock_shadow;
314 int records_inserted;
317 int records_processed;
318 char *record_encoding;
320 yaz_iconv_t iconv_to_utf8;
321 yaz_iconv_t iconv_from_utf8;
325 const char *m_record_id;
326 const char *m_record_type;
329 int m_explain_database;
331 int m_file_verbose_limit;
334 struct rank_control {
336 void *(*create)(ZebraHandle zh);
337 void (*destroy)(struct zebra_register *reg, void *class_handle);
338 void *(*begin)(struct zebra_register *reg, void *class_handle, RSET rset);
339 void (*end)(struct zebra_register *reg, void *set_handle);
340 int (*calc)(void *set_handle, int sysno);
341 void (*add)(void *set_handle, int seqno, int term_index);
344 struct term_set_entry {
346 struct term_set_entry *next;
349 struct term_set_list {
350 struct term_set_entry *first;
351 struct term_set_entry *last;
354 RSET rpn_search (ZebraHandle zh, NMEM mem,
355 Z_RPNQuery *rpn, int num_bases, char **basenames,
356 const char *setname, ZebraSet sset);
359 void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
360 oid_value attributeset,
361 int num_bases, char **basenames,
362 int *position, int *num_entries, ZebraScanEntry **list,
363 int *is_partial, RSET limit_set, int return_zero);
365 RSET rset_trunc (ZebraHandle zh, ISAMS_P *isam_p, int no,
366 const char *term, int length_term, const char *flags,
367 int preserve_position, int term_type);
369 void resultSetAddTerm (ZebraHandle zh, ZebraSet s, int reg_type,
370 const char *db, int set,
371 int use, const char *term);
372 ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov);
373 ZebraSet resultSetGet (ZebraHandle zh, const char *name);
374 ZebraSet resultSetAddRPN (ZebraHandle zh, NMEM m, Z_RPNQuery *rpn,
375 int num_bases, char **basenames,
376 const char *setname);
377 RSET resultSetRef (ZebraHandle zh, const char *resultSetId);
378 void resultSetDestroy (ZebraHandle zh, int num_names, char **names,
382 ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name,
383 int num, int *positions);
384 void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num);
386 void resultSetSort (ZebraHandle zh, NMEM nmem,
387 int num_input_setnames, const char **input_setnames,
388 const char *output_setname,
389 Z_SortKeySpecList *sort_sequence, int *sort_status);
390 void resultSetSortSingle (ZebraHandle zh, NMEM nmem,
391 ZebraSet sset, RSET rset,
392 Z_SortKeySpecList *sort_sequence, int *sort_status);
393 void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset);
394 void resultSetInvalidate (ZebraHandle zh);
396 int zebra_server_lock_init (ZebraService zh);
397 int zebra_server_lock_destroy (ZebraService zh);
398 int zebra_server_lock (ZebraService zh, int lockCommit);
399 void zebra_server_unlock (ZebraService zh, int commitPhase);
400 int zebra_server_lock_get_state (ZebraService zh, time_t *timep);
402 typedef struct attent
405 data1_local_attribute *local_attributes;
408 void zebraRankInstall (struct zebra_register *reg, struct rank_control *ctrl);
409 ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name);
410 void zebraRankDestroy (struct zebra_register *reg);
412 int att_getentbyatt(ZebraHandle zh, attent *res, oid_value set, int att,
415 extern struct rank_control *rank1_class;
416 extern struct rank_control *rankzv_class;
417 extern struct rank_control *rankliv_class;
419 int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream,
420 oid_value input_format, Z_RecordComposition *comp,
421 oid_value *output_format, char **rec_bufp,
422 int *rec_lenp, char **basenamep);
424 void extract_get_fname_tmp (ZebraHandle zh, char *fname, int no);
426 void zebra_index_merge (ZebraHandle zh);
428 int buffer_extract_record (ZebraHandle zh,
429 const char *buf, size_t buf_size,
432 const char *recordType,
434 const char *match_criteria,
440 int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
441 const char *buf, size_t buf_size,
442 const char *databaseName, int delete_flag,
443 int test_mode, int *sysno,
444 int store_keys, int store_data,
445 const char *match_criteria);
447 void extract_flushWriteKeys (ZebraHandle zh, int final);
449 struct zebra_fetch_control {
452 off_t record_int_pos;
453 const char *record_int_buf;
458 int zebra_record_ext_read (void *fh, char *buf, size_t count);
459 off_t zebra_record_ext_seek (void *fh, off_t offset);
460 off_t zebra_record_ext_tell (void *fh);
461 off_t zebra_record_int_seek (void *fh, off_t offset);
462 off_t zebra_record_int_tell (void *fh);
463 int zebra_record_int_read (void *fh, char *buf, size_t count);
464 void zebra_record_int_end (void *fh, off_t offset);
466 void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
467 int cmd, struct recKeys *reckeys);
468 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
469 int cmd, struct sortKeys *skp);
470 void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid);
471 void extract_token_add (RecWord *p);
472 int explain_extract (void *handle, Record rec, data1_node *n);
474 int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
477 int zebra_begin_read (ZebraHandle zh);
478 int zebra_end_read (ZebraHandle zh);
480 int zebra_file_stat (const char *file_name, struct stat *buf,
483 void zebra_livcode_transform(ZebraHandle zh, Z_RPNQuery *query);