1 /* $Id: zebraapi.c,v 1.78 2002-11-18 11:07:59 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
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 <yaz/diagbib1.h>
39 static Res zebra_open_res (ZebraHandle zh);
40 static void zebra_close_res (ZebraHandle zh);
42 static void zebra_chdir (ZebraService zh)
44 const char *dir = res_get (zh->global_res, "chdir");
47 logf (LOG_DEBUG, "chdir %s", dir);
55 static void zebra_flush_reg (ZebraHandle zh)
57 zebraExplain_flush (zh->reg->zei, zh);
59 extract_flushWriteKeys (zh);
60 zebra_index_merge (zh);
63 static struct zebra_register *zebra_register_open (ZebraService zs,
65 int rw, int useshadow,
67 const char *reg_path);
68 static void zebra_register_close (ZebraService zs, struct zebra_register *reg);
70 ZebraHandle zebra_open (ZebraService zs)
73 const char *default_encoding;
78 zh = (ZebraHandle) xmalloc (sizeof(*zh));
79 yaz_log (LOG_DEBUG, "zebra_open zs=%p returns %p", zs, zh);
82 zh->reg = 0; /* no register attached yet */
89 zh->reg_name = xstrdup ("");
91 zh->num_basenames = 0;
99 zh->admin_databaseName = 0;
101 zh->shadow_enable = 1;
103 default_encoding = res_get_def(zs->global_res, "encoding", "ISO-8859-1");
104 zh->record_encoding = xstrdup (default_encoding);
107 yaz_iconv_open ("UTF-8", default_encoding);
108 if (zh->iconv_to_utf8 == 0)
109 yaz_log (LOG_WARN, "iconv: %s to UTF-8 unsupported",
111 zh->iconv_from_utf8 =
112 yaz_iconv_open (default_encoding, "UTF-8");
113 if (zh->iconv_to_utf8 == 0)
114 yaz_log (LOG_WARN, "iconv: UTF-8 to %s unsupported",
117 zebra_mutex_cond_lock (&zs->session_lock);
119 zh->next = zs->sessions;
122 zebra_mutex_cond_unlock (&zs->session_lock);
127 ZebraService zebra_start (const char *configName)
131 yaz_log (LOG_LOG, "zebra_start %s", configName);
133 if ((res = res_open (configName, 0)))
135 ZebraService zh = xmalloc (sizeof(*zh));
137 yaz_log (LOG_DEBUG, "Read resources `%s'", configName);
139 zh->global_res = res;
140 zh->configName = xstrdup(configName);
145 zebra_mutex_cond_init (&zh->session_lock);
146 if (!res_get (zh->global_res, "passwd"))
147 zh->passwd_db = NULL;
150 zh->passwd_db = passwd_db_open ();
152 logf (LOG_WARN|LOG_ERRNO, "passwd_db_open failed");
154 passwd_db_file (zh->passwd_db,
155 res_get (zh->global_res, "passwd"));
157 zh->path_root = res_get (zh->global_res, "root");
164 struct zebra_register *zebra_register_open (ZebraService zs, const char *name,
165 int rw, int useshadow, Res res,
166 const char *reg_path)
168 struct zebra_register *reg;
169 int record_compression = REC_COMPRESS_NONE;
170 char *recordCompression = 0;
172 reg = xmalloc (sizeof(*reg));
175 reg->name = xstrdup (name);
182 yaz_log (LOG_DEBUG, "zebra_register_open rw = %d useshadow=%d p=%p",
185 reg->dh = data1_createx (DATA1_FLAG_XML);
188 reg->bfs = bfs_create (res_get (res, "register"), reg_path);
191 data1_destroy(reg->dh);
195 bf_cache (reg->bfs, res_get (res, "shadow"));
196 data1_set_tabpath (reg->dh, res_get_def(res, "profilePath",
197 DEFAULT_PROFILE_PATH));
198 data1_set_tabroot (reg->dh, reg_path);
199 reg->recTypes = recTypes_init (reg->dh);
200 recTypes_default_handlers (reg->recTypes);
202 reg->zebra_maps = zebra_maps_open (res, reg_path);
203 reg->rank_classes = NULL;
207 reg->keys.buf_max = 0;
221 reg->key_file_no = 0;
223 zebraRankInstall (reg, rank1_class);
225 recordCompression = res_get_def (res, "recordCompression", "none");
226 if (!strcmp (recordCompression, "none"))
227 record_compression = REC_COMPRESS_NONE;
228 if (!strcmp (recordCompression, "bzip2"))
229 record_compression = REC_COMPRESS_BZIP2;
231 if (!(reg->records = rec_open (reg->bfs, rw, record_compression)))
233 logf (LOG_WARN, "rec_open");
238 reg->matchDict = dict_open (reg->bfs, GMATCH_DICT, 20, 1, 0);
240 if (!(reg->dict = dict_open (reg->bfs, FNAME_DICT, 40, rw, 0)))
242 logf (LOG_WARN, "dict_open");
245 if (!(reg->sortIdx = sortIdx_open (reg->bfs, rw)))
247 logf (LOG_WARN, "sortIdx_open");
250 if (res_get_match (res, "isam", "s", ISAM_DEFAULT))
252 struct ISAMS_M_s isams_m;
253 if (!(reg->isams = isams_open (reg->bfs, FNAME_ISAMS, rw,
254 key_isams_m(res, &isams_m))))
256 logf (LOG_WARN, "isams_open");
260 if (res_get_match (res, "isam", "i", ISAM_DEFAULT))
262 if (!(reg->isam = is_open (reg->bfs, FNAME_ISAM, key_compare, rw,
263 sizeof (struct it_key), res)))
265 logf (LOG_WARN, "is_open");
269 if (res_get_match (res, "isam", "c", ISAM_DEFAULT))
271 struct ISAMC_M_s isamc_m;
272 if (!(reg->isamc = isc_open (reg->bfs, FNAME_ISAMC,
273 rw, key_isamc_m(res, &isamc_m))))
275 logf (LOG_WARN, "isc_open");
279 if (res_get_match (res, "isam", "d", ISAM_DEFAULT))
281 struct ISAMD_M_s isamd_m;
283 if (!(reg->isamd = isamd_open (reg->bfs, FNAME_ISAMD,
284 rw, key_isamd_m(res, &isamd_m))))
286 logf (LOG_WARN, "isamd_open");
290 if (res_get_match (res, "isam", "b", ISAM_DEFAULT))
292 struct ISAMC_M_s isamc_m;
294 if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
295 rw, key_isamc_m(res, &isamc_m), 0)))
297 logf (LOG_WARN, "isamb_open");
301 if (res_get_match (res, "isam", "bc", ISAM_DEFAULT))
303 struct ISAMC_M_s isamc_m;
305 if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
306 rw, key_isamc_m(res, &isamc_m), 1)))
308 logf (LOG_WARN, "isamb_open");
312 if (res_get_match (res, "isam", "null", ISAM_DEFAULT))
314 struct ISAMC_M_s isamc_m;
316 if (!(reg->isamb = isamb_open (reg->bfs, "isamb",
317 rw, key_isamc_m(res, &isamc_m), -1)))
319 logf (LOG_WARN, "isamb_open");
323 reg->zei = zebraExplain_open (reg->records, reg->dh,
328 logf (LOG_WARN, "Cannot obtain EXPLAIN information");
332 yaz_log (LOG_DEBUG, "zebra_register_open ok p=%p", reg);
336 void zebra_admin_shutdown (ZebraHandle zh)
338 zebra_mutex_cond_lock (&zh->service->session_lock);
339 zh->service->stop_flag = 1;
340 zebra_mutex_cond_unlock (&zh->service->session_lock);
343 void zebra_admin_start (ZebraHandle zh)
345 ZebraService zs = zh->service;
347 zebra_mutex_cond_lock (&zs->session_lock);
348 zebra_mutex_cond_unlock (&zs->session_lock);
351 static void zebra_register_close (ZebraService zs, struct zebra_register *reg)
353 yaz_log(LOG_DEBUG, "zebra_register_close p=%p", reg);
358 zebraExplain_close (reg->zei);
359 dict_close (reg->dict);
361 dict_close (reg->matchDict);
362 sortIdx_close (reg->sortIdx);
364 isams_close (reg->isams);
366 is_close (reg->isam);
368 isc_close (reg->isamc);
370 isamd_close (reg->isamd);
372 isamb_close (reg->isamb);
373 rec_close (®->records);
376 recTypes_destroy (reg->recTypes);
377 zebra_maps_close (reg->zebra_maps);
378 zebraRankDestroy (reg);
379 bfs_destroy (reg->bfs);
380 data1_destroy (reg->dh);
382 xfree (reg->key_buf);
385 yaz_log(LOG_DEBUG, "zebra_register_close 2");
388 void zebra_stop(ZebraService zs)
392 yaz_log (LOG_LOG, "zebra_stop");
396 zebra_close (zs->sessions);
399 zebra_mutex_cond_destroy (&zs->session_lock);
402 passwd_db_close (zs->passwd_db);
404 res_close (zs->global_res);
405 xfree (zs->configName);
406 xfree (zs->path_root);
410 void zebra_close (ZebraHandle zh)
413 struct zebra_session **sp;
419 yaz_log (LOG_DEBUG, "zebra_close zh=%p", zh);
422 resultSetDestroy (zh, -1, 0, 0);
426 zebra_register_close (zh->service, zh->reg);
427 zebra_close_res (zh);
429 xfree (zh->record_encoding);
431 if (zh->iconv_to_utf8 != 0)
432 yaz_iconv_close (zh->iconv_to_utf8);
433 if (zh->iconv_from_utf8 != 0)
434 yaz_iconv_close (zh->iconv_from_utf8);
436 xfree (zh->admin_databaseName);
437 zebra_mutex_cond_lock (&zs->session_lock);
438 zebra_lock_destroy (zh->lock_normal);
439 zebra_lock_destroy (zh->lock_shadow);
451 // if (!zs->sessions && zs->stop_flag)
452 // zebra_register_deactivate(zs);
453 zebra_mutex_cond_unlock (&zs->session_lock);
454 xfree (zh->reg_name);
458 struct map_baseinfo {
464 char **new_basenames;
468 static Res zebra_open_res (ZebraHandle zh)
474 sprintf (fname, "%.200s/zebra.cfg", zh->path_reg);
475 res = res_open (fname, zh->service->global_res);
477 res = zh->service->global_res;
479 else if (*zh->reg_name == 0)
481 res = zh->service->global_res;
485 yaz_log (LOG_WARN, "no register root specified");
486 return 0; /* no path for register - fail! */
491 static void zebra_close_res (ZebraHandle zh)
493 if (zh->res != zh->service->global_res)
498 static int zebra_select_register (ZebraHandle zh, const char *new_reg)
500 if (zh->res && strcmp (zh->reg_name, new_reg) == 0)
504 assert (zh->reg == 0);
505 assert (*zh->reg_name == 0);
511 resultSetInvalidate (zh);
512 zebra_register_close (zh->service, zh->reg);
517 xfree (zh->reg_name);
518 zh->reg_name = xstrdup (new_reg);
520 xfree (zh->path_reg);
522 if (zh->service->path_root)
524 zh->path_reg = xmalloc (strlen(zh->service->path_root) +
525 strlen(zh->reg_name) + 3);
526 strcpy (zh->path_reg, zh->service->path_root);
529 strcat (zh->path_reg, "/");
530 strcat (zh->path_reg, zh->reg_name);
533 zh->res = zebra_open_res (zh);
536 zebra_lock_destroy (zh->lock_normal);
540 zebra_lock_destroy (zh->lock_shadow);
546 const char *lock_area =res_get (zh->res, "lockDir");
548 if (!lock_area && zh->path_reg)
549 res_put (zh->res, "lockDir", zh->path_reg);
550 sprintf (fname, "norm.%s.LCK", zh->reg_name);
552 zebra_lock_create (res_get(zh->res, "lockDir"), fname, 0);
554 sprintf (fname, "shadow.%s.LCK", zh->reg_name);
556 zebra_lock_create (res_get(zh->res, "lockDir"), fname, 0);
562 void map_basenames_func (void *vp, const char *name, const char *value)
564 struct map_baseinfo *p = (struct map_baseinfo *) vp;
566 char fromdb[128], todb[8][128];
569 sscanf (value, "%127s %127s %127s %127s %127s %127s %127s %127s %127s",
570 fromdb, todb[0], todb[1], todb[2], todb[3], todb[4],
571 todb[5], todb[6], todb[7]);
575 for (i = 0; i<p->num_bases; i++)
576 if (p->basenames[i] && !strcmp (p->basenames[i], fromdb))
579 for (i = 0; i < no; i++)
581 if (p->new_num_bases == p->new_num_max)
583 p->new_basenames[(p->new_num_bases)++] =
584 nmem_strdup (p->mem, todb[i]);
590 void map_basenames (ZebraHandle zh, ODR stream,
591 int *num_bases, char ***basenames)
593 struct map_baseinfo info;
594 struct map_baseinfo *p = &info;
598 info.num_bases = *num_bases;
599 info.basenames = *basenames;
600 info.new_num_max = 128;
601 info.new_num_bases = 0;
602 info.new_basenames = (char **)
603 odr_malloc (stream, sizeof(*info.new_basenames) * info.new_num_max);
604 info.mem = stream->mem;
606 res_trav (zh->service->global_res, "mapdb", &info, map_basenames_func);
608 for (i = 0; i<p->num_bases; i++)
609 if (p->basenames[i] && p->new_num_bases < p->new_num_max)
611 p->new_basenames[(p->new_num_bases)++] =
612 nmem_strdup (p->mem, p->basenames[i]);
614 *num_bases = info.new_num_bases;
615 *basenames = info.new_basenames;
616 for (i = 0; i<*num_bases; i++)
617 logf (LOG_LOG, "base %s", (*basenames)[i]);
620 int zebra_select_database (ZebraHandle zh, const char *basename)
622 return zebra_select_databases (zh, 1, &basename);
625 int zebra_select_databases (ZebraHandle zh, int num_bases,
626 const char **basenames)
638 for (i = 0; i < zh->num_basenames; i++)
639 xfree (zh->basenames[i]);
640 xfree (zh->basenames);
642 zh->num_basenames = num_bases;
643 zh->basenames = xmalloc (zh->num_basenames * sizeof(*zh->basenames));
644 for (i = 0; i < zh->num_basenames; i++)
645 zh->basenames[i] = xstrdup (basenames[i]);
647 cp = strrchr(basenames[0], '/');
650 len = cp - basenames[0];
651 new_reg = xmalloc (len + 1);
652 memcpy (new_reg, basenames[0], len);
656 new_reg = xstrdup ("");
657 for (i = 1; i<num_bases; i++)
661 cp1 = strrchr (basenames[i], '/');
669 if (len != cp1 - basenames[i] ||
670 memcmp (basenames[i], new_reg, len))
685 zebra_select_register (zh, new_reg);
692 if (!zh->lock_normal || !zh->lock_shadow)
700 void zebra_search_rpn (ZebraHandle zh, ODR decode, ODR stream,
701 Z_RPNQuery *query, const char *setname, int *hits)
706 if (zebra_begin_read (zh))
708 resultSetAddRPN (zh, decode, stream, query,
709 zh->num_basenames, zh->basenames, setname);
716 void zebra_records_retrieve (ZebraHandle zh, ODR stream,
717 const char *setname, Z_RecordComposition *comp,
718 oid_value input_format, int num_recs,
719 ZebraRetrievalRecord *recs)
727 zh->errString = odr_strdup (stream, setname);
733 if (zebra_begin_read (zh))
736 pos_array = (int *) xmalloc (num_recs * sizeof(*pos_array));
737 for (i = 0; i<num_recs; i++)
738 pos_array[i] = recs[i].position;
739 poset = zebraPosSetCreate (zh, setname, num_recs, pos_array);
742 logf (LOG_DEBUG, "zebraPosSetCreate error");
744 zh->errString = nmem_strdup (stream->mem, setname);
748 for (i = 0; i<num_recs; i++)
753 recs[i].format = VAL_SUTRS;
754 recs[i].len = strlen(poset[i].term);
755 recs[i].buf = poset[i].term;
756 recs[i].base = poset[i].db;
758 else if (poset[i].sysno)
761 zebra_record_fetch (zh, poset[i].sysno, poset[i].score,
762 stream, input_format, comp,
763 &recs[i].format, &recs[i].buf,
766 recs[i].errString = NULL;
772 sprintf (num_str, "%d", pos_array[i]);
774 zh->errString = odr_strdup (stream, num_str);
778 zebraPosSetDestroy (zh, poset, num_recs);
784 void zebra_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
785 oid_value attributeset,
786 int *position, int *num_entries, ZebraScanEntry **entries,
789 if (zebra_begin_read (zh))
795 rpn_scan (zh, stream, zapt, attributeset,
796 zh->num_basenames, zh->basenames, position,
797 num_entries, entries, is_partial);
801 void zebra_sort (ZebraHandle zh, ODR stream,
802 int num_input_setnames, const char **input_setnames,
803 const char *output_setname, Z_SortKeySpecList *sort_sequence,
806 if (zebra_begin_read (zh))
808 resultSetSort (zh, stream->mem, num_input_setnames, input_setnames,
809 output_setname, sort_sequence, sort_status);
813 int zebra_deleleResultSet(ZebraHandle zh, int function,
814 int num_setnames, char **setnames,
818 if (zebra_begin_read(zh))
819 return Z_DeleteStatus_systemProblemAtTarget;
822 case Z_DeleteRequest_list:
823 resultSetDestroy (zh, num_setnames, setnames, statuses);
825 case Z_DeleteRequest_all:
826 resultSetDestroy (zh, -1, 0, statuses);
830 status = Z_DeleteStatus_success;
831 for (i = 0; i<num_setnames; i++)
832 if (statuses[i] == Z_DeleteStatus_resultSetDidNotExist)
833 status = statuses[i];
837 int zebra_errCode (ZebraHandle zh)
842 const char *zebra_errString (ZebraHandle zh)
844 return diagbib1_str (zh->errCode);
847 char *zebra_errAdd (ZebraHandle zh)
849 return zh->errString;
852 int zebra_auth (ZebraHandle zh, const char *user, const char *pass)
854 ZebraService zs = zh->service;
855 if (!zs->passwd_db || !passwd_db_auth (zs->passwd_db, user, pass))
857 logf(LOG_APP,"AUTHOK:%s", user?user:"ANONYMOUS");
861 logf(LOG_APP,"AUTHFAIL:%s", user?user:"ANONYMOUS");
865 void zebra_admin_import_begin (ZebraHandle zh, const char *database,
866 const char *record_type)
868 if (zebra_select_database(zh, database))
870 zebra_begin_trans (zh);
871 xfree (zh->admin_databaseName);
872 zh->admin_databaseName = xstrdup(database);
875 void zebra_admin_import_end (ZebraHandle zh)
877 zebra_end_trans (zh);
880 void zebra_admin_import_segment (ZebraHandle zh, Z_Segment *segment)
884 for (i = 0; i<segment->num_segmentRecords; i++)
886 Z_NamePlusRecord *npr = segment->segmentRecords[i];
887 const char *databaseName = npr->databaseName;
890 databaseName = zh->admin_databaseName;
891 printf ("--------------%d--------------------\n", i);
892 if (npr->which == Z_NamePlusRecord_intermediateFragment)
894 Z_FragmentSyntax *fragment = npr->u.intermediateFragment;
895 if (fragment->which == Z_FragmentSyntax_notExternallyTagged)
897 Odr_oct *oct = fragment->u.notExternallyTagged;
898 printf ("%.*s", (oct->len > 100 ? 100 : oct->len) ,
902 extract_rec_in_mem (zh, "grs.sgml",
910 0 /* match criteria */);
916 int zebra_admin_exchange_record (ZebraHandle zh,
917 const char *database,
920 const char *recid_buf, size_t recid_len,
927 if (!recid_buf || recid_len <= 0 || recid_len >= sizeof(recid_z))
929 memcpy (recid_z, recid_buf, recid_len);
930 recid_z[recid_len] = 0;
932 rinfo = dict_lookup (zh->reg->matchDict, recid_z);
935 if (action == 1) /* fail if insert */
937 memcpy (&sysno, rinfo+1, sizeof(sysno));
941 if (action == 2 || action == 3) /* fail if delete or update */
944 extract_rec_in_mem (zh, "grs.sgml", rec_buf, rec_len, database,
945 action == 3 ? 1 : 0 /* delete flag */,
949 dict_insert (zh->reg->matchDict, recid_z, sizeof(sysno), &sysno);
951 else if (action == 3)
953 dict_delete (zh->reg->matchDict, recid_z);
958 void zebra_admin_create (ZebraHandle zh, const char *database)
962 if (zebra_select_database (zh, database))
964 zebra_begin_trans (zh);
967 /* announce database */
968 if (zebraExplain_newDatabase (zh->reg->zei, database, 0
969 /* explainDatabase */))
972 zh->errString = "database already exist";
974 zebra_end_trans (zh);
977 int zebra_string_norm (ZebraHandle zh, unsigned reg_id,
978 const char *input_str, int input_len,
979 char *output_str, int output_len)
982 if (!zh->reg->zebra_maps)
984 wrbuf = zebra_replace(zh->reg->zebra_maps, reg_id, "",
985 input_str, input_len);
988 if (wrbuf_len(wrbuf) >= output_len)
990 if (wrbuf_len(wrbuf))
991 memcpy (output_str, wrbuf_buf(wrbuf), wrbuf_len(wrbuf));
992 output_str[wrbuf_len(wrbuf)] = '\0';
993 return wrbuf_len(wrbuf);
997 void zebra_set_state (ZebraHandle zh, int val, int seqno)
999 char state_fname[256];
1004 sprintf (state_fname, "state.%s.LCK", zh->reg_name);
1005 fname = zebra_mk_fname (res_get(zh->res, "lockDir"), state_fname);
1006 f = fopen (fname, "w");
1008 yaz_log (LOG_DEBUG, "%c %d %ld", val, seqno, p);
1009 fprintf (f, "%c %d %ld\n", val, seqno, p);
1014 void zebra_get_state (ZebraHandle zh, char *val, int *seqno)
1016 char state_fname[256];
1020 sprintf (state_fname, "state.%s.LCK", zh->reg_name);
1021 fname = zebra_mk_fname (res_get(zh->res, "lockDir"), state_fname);
1022 f = fopen (fname, "r");
1028 fscanf (f, "%c %d", val, seqno);
1034 int zebra_begin_read (ZebraHandle zh)
1044 if (zh->trans_no != 1)
1046 zebra_flush_reg (zh);
1049 #if HAVE_SYS_TIMES_H
1058 if (!zh->lock_normal || !zh->lock_shadow)
1064 zebra_get_state (zh, &val, &seqno);
1070 else if (seqno != zh->reg->seqno)
1072 yaz_log (LOG_LOG, "reopen seqno cur/old %d/%d",
1073 seqno, zh->reg->seqno);
1076 else if (zh->reg->last_val != val)
1078 yaz_log (LOG_LOG, "reopen last cur/old %d/%d",
1079 val, zh->reg->last_val);
1086 zebra_lock_r (zh->lock_shadow);
1088 zebra_lock_r (zh->lock_normal);
1091 zebra_register_close (zh->service, zh->reg);
1092 zh->reg = zebra_register_open (zh->service, zh->reg_name,
1093 0, val == 'c' ? 1 : 0,
1094 zh->res, zh->path_reg);
1100 zh->reg->last_val = val;
1101 zh->reg->seqno = seqno;
1106 void zebra_end_read (ZebraHandle zh)
1110 if (zh->trans_no != 0)
1113 #if HAVE_SYS_TIMES_H
1115 logf (LOG_LOG, "user/system: %ld/%ld",
1116 (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
1117 (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
1121 zebra_unlock (zh->lock_normal);
1122 zebra_unlock (zh->lock_shadow);
1125 void zebra_begin_trans (ZebraHandle zh)
1130 const char *rval = 0;
1135 if (zh->trans_no != 1)
1140 yaz_log (LOG_LOG, "zebra_begin_trans");
1142 zh->records_inserted = 0;
1143 zh->records_updated = 0;
1144 zh->records_deleted = 0;
1145 zh->records_processed = 0;
1147 #if HAVE_SYS_TIMES_H
1152 if (zh->shadow_enable)
1153 rval = res_get (zh->res, "shadow");
1155 for (pass = 0; pass < 2; pass++)
1159 zebra_lock_r (zh->lock_normal);
1160 zebra_lock_w (zh->lock_shadow);
1164 zebra_lock_w (zh->lock_normal);
1165 zebra_lock_w (zh->lock_shadow);
1168 zebra_get_state (zh, &val, &seqno);
1171 yaz_log (LOG_LOG, "previous transaction didn't finish commit");
1172 zebra_unlock (zh->lock_shadow);
1173 zebra_unlock (zh->lock_normal);
1177 else if (val == 'd')
1181 BFiles bfs = bfs_create (res_get (zh->res, "shadow"),
1183 yaz_log (LOG_LOG, "previous transaction didn't reach commit");
1184 bf_commitClean (bfs, rval);
1189 yaz_log (LOG_WARN, "your previous transaction didn't finish");
1196 yaz_log (LOG_FATAL, "zebra_begin_trans couldn't finish commit");
1200 zebra_set_state (zh, 'd', seqno);
1202 zh->reg = zebra_register_open (zh->service, zh->reg_name,
1203 1, rval ? 1 : 0, zh->res,
1206 zh->reg->seqno = seqno;
1209 void zebra_end_trans (ZebraHandle zh)
1216 if (zh->trans_no != 0)
1219 yaz_log (LOG_LOG, "zebra_end_trans");
1220 rval = res_get (zh->res, "shadow");
1222 zebraExplain_runNumberIncrement (zh->reg->zei, 1);
1224 zebra_flush_reg (zh);
1226 zebra_register_close (zh->service, zh->reg);
1229 yaz_log (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
1230 zh->records_processed, zh->records_inserted,
1231 zh->records_updated, zh->records_deleted);
1233 zebra_get_state (zh, &val, &seqno);
1236 BFiles bfs = bfs_create (rval, zh->path_reg);
1237 yaz_log (LOG_LOG, "deleting shadow stuff val=%c", val);
1238 bf_commitClean (bfs, rval);
1243 zebra_set_state (zh, 'o', seqno);
1245 zebra_unlock (zh->lock_shadow);
1246 zebra_unlock (zh->lock_normal);
1248 #if HAVE_SYS_TIMES_H
1250 logf (LOG_LOG, "user/system: %ld/%ld",
1251 (long) (zh->tms2.tms_utime - zh->tms1.tms_utime),
1252 (long) (zh->tms2.tms_stime - zh->tms1.tms_stime));
1257 void zebra_repository_update (ZebraHandle zh)
1259 logf (LOG_LOG, "updating %s", zh->rGroup.path);
1260 repositoryUpdate (zh);
1263 void zebra_repository_delete (ZebraHandle zh)
1265 logf (LOG_LOG, "deleting %s", zh->rGroup.path);
1266 repositoryDelete (zh);
1269 void zebra_repository_show (ZebraHandle zh)
1271 repositoryShow (zh);
1274 int zebra_commit (ZebraHandle zh)
1286 rval = res_get (zh->res, "shadow");
1289 logf (LOG_WARN, "Cannot perform commit");
1290 logf (LOG_WARN, "No shadow area defined");
1294 zebra_lock_w (zh->lock_normal);
1295 zebra_lock_r (zh->lock_shadow);
1297 bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg);
1299 zebra_get_state (zh, &val, &seqno);
1302 bf_cache (bfs, rval);
1303 if (bf_commitExists (bfs))
1305 zebra_set_state (zh, 'c', seqno);
1307 logf (LOG_LOG, "commit start");
1308 bf_commitExec (bfs);
1312 logf (LOG_LOG, "commit clean");
1313 bf_commitClean (bfs, rval);
1315 zebra_set_state (zh, 'o', seqno);
1319 logf (LOG_LOG, "nothing to commit");
1323 zebra_unlock (zh->lock_shadow);
1324 zebra_unlock (zh->lock_normal);
1328 int zebra_init (ZebraHandle zh)
1338 rval = res_get (zh->res, "shadow");
1340 bfs = bfs_create (res_get (zh->service->global_res, "register"),
1343 bf_cache (bfs, rval);
1347 zebra_set_state (zh, 'o', 0);
1351 int zebra_compact (ZebraHandle zh)
1359 bfs = bfs_create (res_get (zh->res, "register"), zh->path_reg);
1365 int zebra_record_insert (ZebraHandle zh, const char *buf, int len)
1368 zebra_begin_trans (zh);
1369 extract_rec_in_mem (zh, "grs.sgml",
1371 "Default", /* database */
1372 0 /* delete_flag */,
1377 0 /* match criteria */);
1378 zebra_end_trans (zh);
1382 void zebra_set_group (ZebraHandle zh, struct recordGroup *rg)
1384 memcpy (&zh->rGroup, rg, sizeof(*rg));
1387 void zebra_result (ZebraHandle zh, int *code, char **addinfo)
1389 *code = zh->errCode;
1390 *addinfo = zh->errString;
1393 void zebra_shadow_enable (ZebraHandle zh, int value)
1395 zh->shadow_enable = value;
1398 int zebra_record_encoding (ZebraHandle zh, const char *encoding)
1400 xfree (zh->record_encoding);
1401 zh->record_encoding = xstrdup (encoding);
1405 void zebra_set_resource(ZebraHandle zh, const char *name, const char *value)
1407 res_put(zh->res, name, value);
1410 const char *zebra_get_resource(ZebraHandle zh,
1411 const char *name, const char *defaultvalue)
1413 return res_get_def( zh->res, name, (char *)defaultvalue);