1 /* $Id: index.h,v 1.156 2006-03-23 09:15:25 adam Exp $
2 Copyright (C) 1995-2005
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
28 #include <idzebra/version.h>
29 #include <idzebra/util.h>
30 #include <idzebra/flock.h>
34 #include <sys/times.h>
38 #include <idzebra/dict.h>
39 #include <idzebra/isams.h>
40 #include <idzebra/isamc.h>
41 #include <idzebra/isamb.h>
43 #include <idzebra/recgrs.h>
45 #include <idzebra/api.h>
52 #define ISAM_DEFAULT "b"
56 #define IT_MAX_WORD 256
58 #define IT_KEY_LEVEL_MAX 5
61 zint mem[IT_KEY_LEVEL_MAX];
64 enum dirsKind { dirs_dir, dirs_file };
79 void getFnameTmp (Res res, char *fname, int no);
81 struct dirs_info *dirs_open (Dict dict, const char *rep, int rw);
82 struct dirs_info *dirs_fopen (Dict dict, const char *path, int rw);
83 struct dirs_entry *dirs_read (struct dirs_info *p);
84 struct dirs_entry *dirs_last (struct dirs_info *p);
85 void dirs_mkdir (struct dirs_info *p, const char *src, time_t mtime);
86 void dirs_rmdir (struct dirs_info *p, const char *src);
87 void dirs_add (struct dirs_info *p, const char *src, SYSNO sysno, time_t mtime);
88 void dirs_del (struct dirs_info *p, const char *src);
89 void dirs_free (struct dirs_info **pp);
91 struct dir_entry *dir_open (const char *rep, const char *base,
93 void dir_sort (struct dir_entry *e);
94 void dir_free (struct dir_entry **e_p);
96 void repositoryUpdate (ZebraHandle zh, const char *path);
97 void repositoryAdd (ZebraHandle zh, const char *path);
98 void repositoryDelete (ZebraHandle zh, const char *path);
99 void repositoryShow (ZebraHandle zh, const char *path);
101 int key_open (ZebraHandle zh, int mem);
102 int key_close (ZebraHandle zh);
103 int key_compare (const void *p1, const void *p2);
104 void key_init(struct it_key *k);
105 char *key_print_it (const void *p, char *buf);
106 zint key_get_seq (const void *p);
107 int key_compare_it (const void *p1, const void *p2);
108 int key_qsort_compare (const void *p1, const void *p2);
109 void key_logdump (int mask, const void *p);
110 void key_logdump_txt (int logmask, const void *p, const char *txt);
111 void inv_prstat (ZebraHandle zh);
112 void inv_compact (BFiles bfs);
113 void key_input (ZebraHandle zh, int nkeys, int cache, Res res);
114 ISAMS_M *key_isams_m (Res res, ISAMS_M *me);
115 ISAMC_M *key_isamc_m (Res res, ISAMC_M *me);
116 int merge_sort (char **buf, int from, int to);
117 int key_SU_code (int ch, char *out);
119 #define FNAME_DICT "dict"
120 #define FNAME_ISAM "isam"
121 #define FNAME_ISAMC "isamc"
122 #define FNAME_ISAMS "isams"
123 #define FNAME_ISAMH "isamh"
124 #define FNAME_ISAMD "isamd"
125 #define FNAME_CONFIG "zebra.cfg"
127 #define GMATCH_DICT "gmatch"
128 #define FMATCH_DICT "fmatch"
130 struct strtab *strtab_mk (void);
131 int strtab_src (struct strtab *t, const char *name, void ***infop);
132 void strtab_del (struct strtab *t,
133 void (*func)(const char *name, void *info, void *data),
135 int index_char_cvt (int c);
136 int index_word_prefix (char *string, int attset_ordinal,
137 int local_attribute, const char *databaseName);
140 void zebraIndexLockMsg (ZebraHandle zh, const char *str);
141 void zebraIndexUnlock (ZebraHandle zh);
142 int zebraIndexLock (BFiles bfs, ZebraHandle zh, int commitNow, const char *rval);
143 int zebraIndexWait (ZebraHandle zh, int commitPhase);
145 void zebra_lock_prefix (Res res, char *dst);
147 #define FNAME_MAIN_LOCK "zebraidx.LCK"
148 #define FNAME_COMMIT_LOCK "zebracmt.LCK"
149 #define FNAME_ORG_LOCK "zebraorg.LCK"
150 #define FNAME_TOUCH_TIME "zebraidx.time"
152 void zebra_load_atts (data1_handle dh, Res res);
154 int key_SU_decode (int *ch, const unsigned char *out);
155 int key_SU_encode (int ch, char *out);
157 #define ENCODE_BUFLEN 768
159 int sysno; /* previously written values for delta-compress */
162 int prevsys; /* buffer for skipping insert/delete pairs */
165 int keylen; /* tells if we have an unwritten key in buf, and how long*/
168 char buf[ENCODE_BUFLEN];
171 void encode_key_init (struct encode_info *i);
172 char *encode_key_int (int d, char *bp);
173 void encode_key_write (char *k, struct encode_info *i, FILE *outf);
174 void encode_key_flush (struct encode_info *i, FILE *outf);
176 typedef struct zebra_set *ZebraSet;
178 typedef struct zebra_rank_class {
179 struct rank_control *control;
182 struct zebra_rank_class *next;
197 struct zebra_register {
206 int registerState; /* 0 (no commit pages), 1 (use commit pages) */
207 time_t registerChange;
210 ZebraExplainInfo zei;
212 char *server_path_prefix;
214 ZebraMaps zebra_maps;
215 ZebraRankClass rank_classes;
220 int active; /* 0=shutdown, 1=enabled and inactive, 2=activated */
222 zebra_rec_keys_t keys;
225 zebra_rec_keys_t sortKeys;
227 struct sortKeys sortKeys;
236 struct zebra_service {
239 struct zebra_session *sessions;
240 struct zebra_register *regs;
241 Zebra_mutex_cond session_lock;
244 const char *path_root;
245 RecTypeClass record_classes;
250 struct zebra_session {
251 struct zebra_session *next;
252 struct zebra_service *service;
253 struct zebra_register *reg;
255 char *xadmin_databaseName;
263 ZebraLockHandle lock_normal;
264 ZebraLockHandle lock_shadow;
286 zint records_inserted;
287 zint records_updated;
288 zint records_deleted;
289 zint records_processed;
290 char *record_encoding;
292 yaz_iconv_t iconv_to_utf8;
293 yaz_iconv_t iconv_from_utf8;
297 const char *m_record_id;
298 const char *m_record_type;
301 int m_explain_database;
303 int m_file_verbose_limit;
305 void *store_data_buf;
306 size_t store_data_size;
309 struct zebra_limit *m_limit;
312 struct rank_control {
314 void *(*create)(ZebraHandle zh);
315 void (*destroy)(struct zebra_register *reg, void *class_handle);
316 void *(*begin)(struct zebra_register *reg,
317 void *class_handle, RSET rset, NMEM nmem,
318 TERMID *terms, int numterms);
319 /* ### Could add parameters to begin:
320 * char *index; // author, title, etc.
321 * int dbsize; // number of records in database
322 * int rssize; // number of records in result set (estimate?)
324 void (*end)(struct zebra_register *reg, void *set_handle);
325 int (*calc)(void *set_handle, zint sysno, zint staticrank,
327 void (*add)(void *set_handle, int seqno, TERMID term);
330 struct term_set_entry {
332 struct term_set_entry *next;
335 struct term_set_list {
336 struct term_set_entry *first;
337 struct term_set_entry *last;
341 void zebra_limit_destroy(struct zebra_limit *zl);
342 struct zebra_limit *zebra_limit_create(int exclude_flag, zint *ids);
343 void zebra_limit_for_rset(struct zebra_limit *zl,
344 int (**filter_func)(const void *buf, void *data),
345 void (**filter_destroy)(void *data),
348 struct rset_key_control *zebra_key_control_create(ZebraHandle zh);
350 ZEBRA_RES rpn_search_top(ZebraHandle zh, Z_RPNStructure *zs,
351 oid_value attributeSet,
352 NMEM stream, NMEM rset_nmem,
353 Z_SortKeySpecList *sort_sequence,
354 int num_bases, char **basenames,
357 ZEBRA_RES rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
358 oid_value attributeset,
359 int num_bases, char **basenames,
360 int *position, int *num_entries, ZebraScanEntry **list,
361 int *is_partial, RSET limit_set, int return_zero);
363 RSET rset_trunc(ZebraHandle zh, ISAM_P *isam_p, int no,
364 const char *term, int length_term, const char *flags,
365 int preserve_position, int term_type, NMEM rset_nmem,
366 struct rset_key_control *kctrl, int scope,
367 struct ord_list *ol, int reg_type,
368 zint hits_limit, const char *term_ref_id);
370 void resultSetAddTerm (ZebraHandle zh, ZebraSet s, int reg_type,
371 const char *db, int set,
372 int use, const char *term);
373 ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov);
374 ZebraSet resultSetGet (ZebraHandle zh, const char *name);
375 ZEBRA_RES resultSetAddRPN (ZebraHandle zh, NMEM m, Z_RPNQuery *rpn,
376 int num_bases, char **basenames,
377 const char *setname);
378 RSET resultSetRef (ZebraHandle zh, const char *resultSetId);
379 void resultSetDestroy (ZebraHandle zh, int num_names, char **names,
381 ZEBRA_RES resultSetSort (ZebraHandle zh, NMEM nmem,
382 int num_input_setnames, const char **input_setnames,
383 const char *output_setname,
384 Z_SortKeySpecList *sort_sequence, int *sort_status);
385 ZEBRA_RES resultSetSortSingle (ZebraHandle zh, NMEM nmem,
386 ZebraSet sset, RSET rset,
387 Z_SortKeySpecList *sort_sequence,
389 ZEBRA_RES resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset,
391 void resultSetInvalidate (ZebraHandle zh);
393 int zebra_server_lock_init (ZebraService zh);
394 int zebra_server_lock_destroy (ZebraService zh);
395 int zebra_server_lock (ZebraService zh, int lockCommit);
396 void zebra_server_unlock (ZebraService zh, int commitPhase);
397 int zebra_server_lock_get_state (ZebraService zh, time_t *timep);
399 typedef struct attent
402 data1_local_attribute *local_attributes;
405 void zebraRankInstall (struct zebra_register *reg, struct rank_control *ctrl);
406 ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name);
407 void zebraRankDestroy (struct zebra_register *reg);
409 int att_getentbyatt(ZebraHandle zh, attent *res, oid_value set, int att,
412 extern struct rank_control *rank_1_class;
413 extern struct rank_control *rank_zv_class;
414 extern struct rank_control *rank_static_class;
416 int zebra_record_fetch (ZebraHandle zh, SYSNO sysno, int score,
417 zebra_snippets *hit_snippet, ODR stream,
418 oid_value input_format, Z_RecordComposition *comp,
419 oid_value *output_format, char **rec_bufp,
420 int *rec_lenp, char **basenamep,
423 void extract_get_fname_tmp (ZebraHandle zh, char *fname, int no);
425 void zebra_index_merge (ZebraHandle zh);
427 ZEBRA_RES buffer_extract_record (ZebraHandle zh,
428 const char *buf, size_t buf_size,
431 const char *recordType,
433 const char *match_criteria,
439 int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
440 const char *buf, size_t buf_size,
441 const char *databaseName, int delete_flag,
442 int test_mode, int *sysno,
443 int store_keys, int store_data,
444 const char *match_criteria);
446 void extract_flushWriteKeys (ZebraHandle zh, int final);
448 struct zebra_fetch_control {
451 off_t record_int_pos;
452 const char *record_int_buf;
457 int zebra_record_ext_read (void *fh, char *buf, size_t count);
458 off_t zebra_record_ext_seek (void *fh, off_t offset);
459 off_t zebra_record_ext_tell (void *fh);
460 off_t zebra_record_int_seek (void *fh, off_t offset);
461 off_t zebra_record_int_tell (void *fh);
462 int zebra_record_int_read (void *fh, char *buf, size_t count);
463 void zebra_record_int_end (void *fh, off_t offset);
465 void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys);
467 ZEBRA_RES zebra_snippets_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys,
468 zebra_snippets *snippets);
469 ZEBRA_RES zebra_snippets_hit_vector(ZebraHandle zh, const char *setname,
470 zint sysno, zebra_snippets *snippets);
472 void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
473 int cmd, zebra_rec_keys_t reckeys,
476 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
477 int cmd, zebra_rec_keys_t skp);
479 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
480 int cmd, struct sortKeys *skp);
482 void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid);
483 void extract_token_add (RecWord *p);
484 int explain_extract (void *handle, Record rec, data1_node *n);
486 int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
489 ZEBRA_RES zebra_begin_read (ZebraHandle zh);
490 ZEBRA_RES zebra_end_read (ZebraHandle zh);
492 int zebra_file_stat (const char *file_name, struct stat *buf,
495 void zebra_livcode_transform(ZebraHandle zh, Z_RPNQuery *query);
497 void *iscz1_start ();
498 void iscz1_reset (void *vp);
499 void iscz1_stop (void *p);
500 void iscz1_decode (void *vp, char **dst, const char **src);
501 void iscz1_encode (void *vp, char **dst, const char **src);
503 Dict dict_open_res (BFiles bfs, const char *name, int cache, int rw,
504 int compact_flag, Res res);
506 void zebra_setError(ZebraHandle zh, int code, const char *addinfo);
507 void zebra_setError_zint(ZebraHandle zh, int code, zint i);
509 void zebra_term_untrans_iconv(ZebraHandle zh, NMEM stream, int reg_type,
510 char **dst, const char *src);
512 ZEBRA_RES zebra_get_hit_vector(ZebraHandle zh, const char *setname, zint sysno);
514 void zebra_term_untrans(ZebraHandle zh, int reg_type,
515 char *dst, const char *src);