index/extract.c

   1 /* $Id: extract.c,v 1.261 2007-08-22 08:01:32 adam Exp $
   2    Copyright (C) 1995-2007
   3    Index Data ApS
   4
   5 This file is part of the Zebra server.
   6
   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
  10 version.
  11
  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
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21 */
  22
  23 #include <stdio.h>
  24 #include <assert.h>
  25 #include <ctype.h>
  26 #ifdef WIN32
  27 #include <io.h>
  28 #endif
  29 #if HAVE_UNISTD_H
  30 #include <unistd.h>
  31 #endif
  32 #include <fcntl.h>
  33
  34 #include "index.h"
  35 #include "orddict.h"
  36 #include <direntz.h>
  37 #include <charmap.h>
  38
  39 static int log_level_extract = 0;
  40 static int log_level_details = 0;
  41 static int log_level_initialized = 0;
  42
  43 /* 1 if we use eliminitate identical delete/insert keys */
  44 /* eventually this the 0-case code will be removed */
  45 #define FLUSH2 1
  46
  47 void extract_flush_record_keys2(ZebraHandle zh, zint sysno,
  48                                 zebra_rec_keys_t ins_keys,
  49                                 zint ins_rank,
  50                                 zebra_rec_keys_t del_keys,
  51                                 zint del_rank);
  52
  53 static void zebra_init_log_level(void)
  54 {
  55     if (!log_level_initialized)
  56     {
  57         log_level_initialized = 1;
  58
  59         log_level_extract = yaz_log_module_level("extract");
  60         log_level_details = yaz_log_module_level("indexdetails");
  61     }
  62 }
  63
  64 static void extract_flush_record_keys(ZebraHandle zh, zint sysno,
  65                                       int cmd, zebra_rec_keys_t reckeys,
  66                                       zint staticrank);
  67 static void extract_flush_sort_keys(ZebraHandle zh, zint sysno,
  68                                     int cmd, zebra_rec_keys_t skp);
  69 static void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid);
  70 static void extract_token_add (RecWord *p);
  71
  72 static void check_log_limit(ZebraHandle zh)
  73 {
  74     if (zh->records_processed + zh->records_skipped == zh->m_file_verbose_limit)
  75     {
  76         yaz_log(YLOG_LOG, "More than %d file log entries. Omitting rest",
  77                 zh->m_file_verbose_limit);
  78     }
  79 }
  80
  81 static void logRecord (ZebraHandle zh)
  82 {
  83     check_log_limit(zh);
  84     ++zh->records_processed;
  85     if (!(zh->records_processed % 1000))
  86     {
  87         yaz_log(YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d "
  88                 ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT,
  89                 zh->records_processed, zh->records_inserted,
  90                 zh->records_updated, zh->records_deleted);
  91     }
  92 }
  93
  94 static void init_extractCtrl(ZebraHandle zh, struct recExtractCtrl *ctrl)
  95 {
  96     int i;
  97     for (i = 0; i<256; i++)
  98     {
  99         if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
 100             ctrl->seqno[i] = 1;
 101         else
 102             ctrl->seqno[i] = 0;
 103     }
 104     ctrl->flagShowRecords = !zh->m_flag_rw;
 105 }
 106
 107
 108 static void extract_add_index_string (RecWord *p,
 109                                       zinfo_index_category_t cat,
 110                                       const char *str, int length);
 111
 112 static void extract_set_store_data_prepare(struct recExtractCtrl *p);
 113
 114 static void extract_init(struct recExtractCtrl *p, RecWord *w)
 115 {
 116     w->seqno = 1;
 117     w->index_name = "any";
 118     w->index_type = 'w';
 119     w->extractCtrl = p;
 120     w->record_id = 0;
 121     w->section_id = 0;
 122     w->segment = 0;
 123 }
 124
 125 struct snip_rec_info {
 126     ZebraHandle zh;
 127     zebra_snippets *snippets;
 128 };
 129
 130
 131 static void snippet_add_complete_field(RecWord *p, int ord)
 132 {
 133     struct snip_rec_info *h = p->extractCtrl->handle;
 134     ZebraHandle zh = h->zh;
 135
 136     const char *b = p->term_buf;
 137     char buf[IT_MAX_WORD+1];
 138     const char **map = 0;
 139     int i = 0, remain = p->term_len;
 140     const char *start = b;
 141     const char *last = 0;
 142
 143     if (remain > 0)
 144         map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b, remain, 1);
 145
 146     while (remain > 0 && i < IT_MAX_WORD)
 147     {
 148         while (map && *map && **map == *CHR_SPACE)
 149         {
 150             remain = p->term_len - (b - p->term_buf);
 151
 152             if (i == 0)
 153                 start = b;  /* set to first non-ws area */
 154             if (remain > 0)
 155             {
 156                 int first = i ? 0 : 1;  /* first position */
 157
 158                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type,
 159                                        &b, remain, first);
 160             }
 161             else
 162                 map = 0;
 163         }
 164         if (!map)
 165             break;
 166
 167         if (i && i < IT_MAX_WORD)
 168             buf[i++] = *CHR_SPACE;
 169         while (map && *map && **map != *CHR_SPACE)
 170         {
 171             const char *cp = *map;
 172
 173             if (**map == *CHR_CUT)
 174             {
 175                 i = 0;
 176             }
 177             else
 178             {
 179                 if (i >= IT_MAX_WORD)
 180                     break;
 181                 while (i < IT_MAX_WORD && *cp)
 182                     buf[i++] = *(cp++);
 183             }
 184             last = b;
 185             remain = p->term_len  - (b - p->term_buf);
 186             if (remain > 0)
 187             {
 188                 map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b,
 189                                         remain, 0);
 190             }
 191             else
 192                 map = 0;
 193         }
 194     }
 195     if (!i)
 196         return;
 197     if (last && start != last)
 198         zebra_snippets_appendn(h->snippets, p->seqno, 0, ord,
 199                                start, last - start);
 200 }
 201
 202 static void snippet_add_incomplete_field(RecWord *p, int ord)
 203 {
 204     struct snip_rec_info *h = p->extractCtrl->handle;
 205     ZebraHandle zh = h->zh;
 206     const char *b = p->term_buf;
 207     int remain = p->term_len;
 208     int first = 1;
 209     const char **map = 0;
 210     const char *start = b;
 211     const char *last = b;
 212
 213     if (remain > 0)
 214         map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
 215
 216     while (map)
 217     {
 218         char buf[IT_MAX_WORD+1];
 219         int i, remain;
 220
 221         /* Skip spaces */
 222         while (map && *map && **map == *CHR_SPACE)
 223         {
 224             remain = p->term_len - (b - p->term_buf);
 225             last = b;
 226             if (remain > 0)
 227                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b,
 228                                        remain, 0);
 229             else
 230                 map = 0;
 231         }
 232         if (!map)
 233             break;
 234         if (start != last)
 235         {
 236             zebra_snippets_appendn(h->snippets, p->seqno, 1, ord,
 237                                    start, last - start);
 238
 239         }
 240         start = last;
 241
 242         i = 0;
 243         while (map && *map && **map != *CHR_SPACE)
 244         {
 245             const char *cp = *map;
 246
 247             while (i < IT_MAX_WORD && *cp)
 248                 buf[i++] = *(cp++);
 249             remain = p->term_len - (b - p->term_buf);
 250             last = b;
 251             if (remain > 0)
 252                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
 253             else
 254                 map = 0;
 255         }
 256         if (!i)
 257             return;
 258
 259         if (first)
 260         {
 261             first = 0;
 262             if (zebra_maps_is_first_in_field(zh->reg->zebra_maps, p->index_type))
 263             {
 264                 /* first in field marker */
 265                 p->seqno++;
 266             }
 267         }
 268         if (start != last)
 269             zebra_snippets_appendn(h->snippets, p->seqno, 0, ord,
 270                                    start, last - start);
 271         start = last;
 272         p->seqno++;
 273     }
 274
 275 }
 276
 277 static void snippet_token_add(RecWord *p)
 278 {
 279     struct snip_rec_info *h = p->extractCtrl->handle;
 280     ZebraHandle zh = h->zh;
 281
 282     if (zebra_maps_is_index(zh->reg->zebra_maps, p->index_type))
 283     {
 284         ZebraExplainInfo zei = zh->reg->zei;
 285         int ch = zebraExplain_lookup_attr_str(
 286             zei, zinfo_index_category_index, p->index_type, p->index_name);
 287
 288         if (zebra_maps_is_complete (h->zh->reg->zebra_maps, p->index_type))
 289             snippet_add_complete_field (p, ch);
 290         else
 291             snippet_add_incomplete_field(p, ch);
 292     }
 293 }
 294
 295 static void snippet_schema_add(
 296     struct recExtractCtrl *p, Odr_oid *oid)
 297 {
 298
 299 }
 300
 301 void extract_snippet(ZebraHandle zh, zebra_snippets *sn,
 302                      struct ZebraRecStream *stream,
 303                      RecType rt, void *recTypeClientData)
 304 {
 305     struct recExtractCtrl extractCtrl;
 306     struct snip_rec_info info;
 307     int r;
 308
 309     extractCtrl.stream = stream;
 310     extractCtrl.first_record = 1;
 311     extractCtrl.init = extract_init;
 312     extractCtrl.tokenAdd = snippet_token_add;
 313     extractCtrl.schemaAdd = snippet_schema_add;
 314     assert(zh->reg);
 315     assert(zh->reg->dh);
 316
 317     extractCtrl.dh = zh->reg->dh;
 318
 319     info.zh = zh;
 320     info.snippets = sn;
 321     extractCtrl.handle = &info;
 322     extractCtrl.match_criteria[0] = '\0';
 323     extractCtrl.staticrank = 0;
 324     extractCtrl.action = action_insert;
 325
 326     init_extractCtrl(zh, &extractCtrl);
 327
 328     r = (*rt->extract)(recTypeClientData, &extractCtrl);
 329
 330 }
 331
 332 static void searchRecordKey(ZebraHandle zh,
 333                             zebra_rec_keys_t reckeys,
 334                             const char *index_name,
 335                             const char **ws, int ws_length)
 336 {
 337     int i;
 338     int ch = -1;
 339     zinfo_index_category_t cat = zinfo_index_category_index;
 340
 341     for (i = 0; i<ws_length; i++)
 342         ws[i] = NULL;
 343
 344     if (ch < 0)
 345         ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, '0', index_name);
 346     if (ch < 0)
 347         ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, 'p', index_name);
 348     if (ch < 0)
 349         ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, 'w', index_name);
 350
 351     if (ch < 0)
 352         return ;
 353
 354     if (zebra_rec_keys_rewind(reckeys))
 355     {
 356         zint startSeq = -1;
 357         const char *str;
 358         size_t slen;
 359         struct it_key key;
 360         zint seqno;
 361         while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
 362         {
 363             assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
 364
 365             seqno = key.mem[key.len-1];
 366
 367             if (key.mem[0] == ch)
 368             {
 369                 zint woff;
 370
 371                 if (startSeq == -1)
 372                     startSeq = seqno;
 373                 woff = seqno - startSeq;
 374                 if (woff >= 0 && woff < ws_length)
 375                     ws[woff] = str;
 376             }
 377         }
 378     }
 379 }
 380
 381 #define FILE_MATCH_BLANK "\t "
 382
 383 static char *get_match_from_spec(ZebraHandle zh,
 384                           zebra_rec_keys_t reckeys,
 385                           const char *fname, const char *spec)
 386 {
 387     static char dstBuf[2048];      /* static here ??? */
 388     char *dst = dstBuf;
 389     const char *s = spec;
 390
 391     while (1)
 392     {
 393         for (; *s && strchr(FILE_MATCH_BLANK, *s); s++)
 394             ;
 395         if (!*s)
 396             break;
 397         if (*s == '(')
 398         {
 399             const char *ws[32];
 400             char attset_str[64], attname_str[64];
 401             int i;
 402             int first = 1;
 403
 404             for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
 405                 ;
 406             for (i = 0; *s && *s != ',' && *s != ')' &&
 407                      !strchr(FILE_MATCH_BLANK, *s); s++)
 408                 if (i+1 < sizeof(attset_str))
 409                     attset_str[i++] = *s;
 410             attset_str[i] = '\0';
 411
 412             for (; strchr(FILE_MATCH_BLANK, *s); s++)
 413                 ;
 414             if (*s != ',')
 415                 strcpy(attname_str, attset_str);
 416             else
 417             {
 418                 for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
 419                     ;
 420                 for (i = 0; *s && *s != ')' &&
 421                          !strchr(FILE_MATCH_BLANK, *s); s++)
 422                     if (i+1 < sizeof(attname_str))
 423                         attname_str[i++] = *s;
 424                 attname_str[i] = '\0';
 425             }
 426
 427             searchRecordKey (zh, reckeys, attname_str, ws, 32);
 428
 429             if (*s != ')')
 430             {
 431                 yaz_log (YLOG_WARN, "Missing ) in match criteria %s in group %s",
 432                       spec, zh->m_group ? zh->m_group : "none");
 433                 return NULL;
 434             }
 435             s++;
 436
 437             for (i = 0; i<32; i++)
 438                 if (ws[i])
 439                 {
 440                     if (first)
 441                     {
 442                         *dst++ = ' ';
 443                         first = 0;
 444                     }
 445                     strcpy (dst, ws[i]);
 446                     dst += strlen(ws[i]);
 447                 }
 448             if (first)
 449             {
 450                 yaz_log (YLOG_WARN, "Record didn't contain match"
 451                       " fields in (%s,%s)", attset_str, attname_str);
 452                 return NULL;
 453             }
 454         }
 455         else if (*s == '$')
 456         {
 457             int spec_len;
 458             char special[64];
 459             const char *spec_src = NULL;
 460             const char *s1 = ++s;
 461             while (*s1 && !strchr(FILE_MATCH_BLANK, *s1))
 462                 s1++;
 463
 464             spec_len = s1 - s;
 465             if (spec_len > sizeof(special)-1)
 466                 spec_len = sizeof(special)-1;
 467             memcpy (special, s, spec_len);
 468             special[spec_len] = '\0';
 469             s = s1;
 470
 471             if (!strcmp (special, "group"))
 472                 spec_src = zh->m_group;
 473             else if (!strcmp (special, "database"))
 474                 spec_src = zh->basenames[0];
 475             else if (!strcmp (special, "filename")) {
 476                 spec_src = fname;
 477             }
 478             else if (!strcmp (special, "type"))
 479                 spec_src = zh->m_record_type;
 480             else
 481                 spec_src = NULL;
 482             if (spec_src)
 483             {
 484                 strcpy (dst, spec_src);
 485                 dst += strlen (spec_src);
 486             }
 487         }
 488         else if (*s == '\"' || *s == '\'')
 489         {
 490             int stopMarker = *s++;
 491             char tmpString[64];
 492             int i = 0;
 493
 494             while (*s && *s != stopMarker)
 495             {
 496                 if (i+1 < sizeof(tmpString))
 497                     tmpString[i++] = *s++;
 498             }
 499             if (*s)
 500                 s++;
 501             tmpString[i] = '\0';
 502             strcpy (dst, tmpString);
 503             dst += strlen (tmpString);
 504         }
 505         else
 506         {
 507             yaz_log (YLOG_WARN, "Syntax error in match criteria %s in group %s",
 508                   spec, zh->m_group ? zh->m_group : "none");
 509             return NULL;
 510         }
 511         *dst++ = 1;
 512     }
 513     if (dst == dstBuf)
 514     {
 515         yaz_log (YLOG_WARN, "No match criteria for record %s in group %s",
 516               fname, zh->m_group ? zh->m_group : "none");
 517         return NULL;
 518     }
 519     *dst = '\0';
 520     return dstBuf;
 521 }
 522
 523 struct recordLogInfo {
 524     const char *fname;
 525     int recordOffset;
 526     struct recordGroup *rGroup;
 527 };
 528
 529 static void all_matches_add(struct recExtractCtrl *ctrl)
 530 {
 531     RecWord word;
 532     extract_init(ctrl, &word);
 533     word.index_name = "_ALLRECORDS";
 534     word.index_type = 'w';
 535     word.seqno = 1;
 536     extract_add_index_string (&word, zinfo_index_category_alwaysmatches,
 537                               "", 0);
 538 }
 539
 540 ZEBRA_RES zebra_extract_records_stream(ZebraHandle zh,
 541                                        struct ZebraRecStream *stream,
 542                                        enum zebra_recctrl_action_t action,
 543                                        int test_mode,
 544                                        const char *recordType,
 545                                        zint *sysno,
 546                                        const char *match_criteria,
 547                                        const char *fname,
 548                                        RecType recType,
 549                                        void *recTypeClientData);
 550
 551
 552 ZEBRA_RES zebra_extract_file(ZebraHandle zh, zint *sysno, const char *fname,
 553                              int deleteFlag)
 554 {
 555     ZEBRA_RES r = ZEBRA_OK;
 556     int i, fd;
 557     char gprefix[128];
 558     char ext[128];
 559     char ext_res[128];
 560     struct file_read_info *fi = 0;
 561     const char *original_record_type = 0;
 562     RecType recType;
 563     void *recTypeClientData;
 564     struct ZebraRecStream stream, *streamp;
 565
 566     zebra_init_log_level();
 567
 568     if (!zh->m_group || !*zh->m_group)
 569         *gprefix = '\0';
 570     else
 571         sprintf (gprefix, "%s.", zh->m_group);
 572
 573     yaz_log(log_level_extract, "zebra_extract_file %s", fname);
 574
 575     /* determine file extension */
 576     *ext = '\0';
 577     for (i = strlen(fname); --i >= 0; )
 578         if (fname[i] == '/')
 579             break;
 580         else if (fname[i] == '.')
 581         {
 582             strcpy (ext, fname+i+1);
 583             break;
 584         }
 585     /* determine file type - depending on extension */
 586     original_record_type = zh->m_record_type;
 587     if (!zh->m_record_type)
 588     {
 589         sprintf (ext_res, "%srecordType.%s", gprefix, ext);
 590         zh->m_record_type = res_get (zh->res, ext_res);
 591     }
 592     if (!zh->m_record_type)
 593     {
 594         check_log_limit(zh);
 595         if (zh->records_processed + zh->records_skipped
 596             < zh->m_file_verbose_limit)
 597             yaz_log (YLOG_LOG, "? %s", fname);
 598         zh->records_skipped++;
 599         return 0;
 600     }
 601     /* determine match criteria */
 602     if (!zh->m_record_id)
 603     {
 604         sprintf (ext_res, "%srecordId.%s", gprefix, ext);
 605         zh->m_record_id = res_get (zh->res, ext_res);
 606     }
 607
 608     if (!(recType =
 609           recType_byName (zh->reg->recTypes, zh->res, zh->m_record_type,
 610                           &recTypeClientData)))
 611     {
 612         yaz_log(YLOG_WARN, "No such record type: %s", zh->m_record_type);
 613         return ZEBRA_FAIL;
 614     }
 615
 616     switch(recType->version)
 617     {
 618     case 0:
 619         break;
 620     default:
 621         yaz_log(YLOG_WARN, "Bad filter version: %s", zh->m_record_type);
 622     }
 623     if (sysno && deleteFlag)
 624     {
 625         streamp = 0;
 626         fi = 0;
 627     }
 628     else
 629     {
 630         char full_rep[1024];
 631
 632         if (zh->path_reg && !yaz_is_abspath (fname))
 633         {
 634             strcpy (full_rep, zh->path_reg);
 635             strcat (full_rep, "/");
 636             strcat (full_rep, fname);
 637         }
 638         else
 639             strcpy (full_rep, fname);
 640
 641         if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
 642         {
 643             yaz_log (YLOG_WARN|YLOG_ERRNO, "open %s", full_rep);
 644             zh->m_record_type = original_record_type;
 645             return ZEBRA_FAIL;
 646         }
 647         streamp = &stream;
 648         zebra_create_stream_fd(streamp, fd, 0);
 649     }
 650     r = zebra_extract_records_stream(zh, streamp,
 651                                      deleteFlag ?
 652                                      action_delete : action_update,
 653                                      0, /* tst_mode */
 654                                      zh->m_record_type,
 655                                      sysno,
 656                                      0, /*match_criteria */
 657                                      fname,
 658                                      recType, recTypeClientData);
 659     if (streamp)
 660         stream.destroy(streamp);
 661     zh->m_record_type = original_record_type;
 662     return r;
 663 }
 664
 665 /*
 666   If sysno is provided, then it's used to identify the reocord.
 667   If not, and match_criteria is provided, then sysno is guessed
 668   If not, and a record is provided, then sysno is got from there
 669
 670  */
 671
 672 ZEBRA_RES zebra_buffer_extract_record(ZebraHandle zh,
 673                                       const char *buf, size_t buf_size,
 674                                       enum zebra_recctrl_action_t action,
 675                                       int test_mode,
 676                                       const char *recordType,
 677                                       zint *sysno,
 678                                       const char *match_criteria,
 679                                       const char *fname)
 680 {
 681     struct ZebraRecStream stream;
 682     ZEBRA_RES res;
 683     void *clientData;
 684     RecType recType = 0;
 685
 686     if (recordType && *recordType)
 687     {
 688         yaz_log(log_level_extract,
 689                 "Record type explicitly specified: %s", recordType);
 690         recType = recType_byName (zh->reg->recTypes, zh->res, recordType,
 691                                   &clientData);
 692     }
 693     else
 694     {
 695         if (!(zh->m_record_type))
 696         {
 697             yaz_log (YLOG_WARN, "No such record type defined");
 698             return ZEBRA_FAIL;
 699         }
 700         yaz_log(log_level_extract, "Get record type from rgroup: %s",
 701                 zh->m_record_type);
 702         recType = recType_byName (zh->reg->recTypes, zh->res,
 703                                   zh->m_record_type, &clientData);
 704         recordType = zh->m_record_type;
 705     }
 706
 707     if (!recType)
 708     {
 709         yaz_log (YLOG_WARN, "No such record type: %s", recordType);
 710         return ZEBRA_FAIL;
 711     }
 712
 713     zebra_create_stream_mem(&stream, buf, buf_size);
 714
 715     res = zebra_extract_records_stream(zh, &stream,
 716                                        action,
 717                                        test_mode,
 718                                        recordType,
 719                                        sysno,
 720                                        match_criteria,
 721                                        fname,
 722                                        recType, clientData);
 723     stream.destroy(&stream);
 724     return res;
 725 }
 726
 727 ZEBRA_RES zebra_extract_records_stream(ZebraHandle zh,
 728                                        struct ZebraRecStream *stream,
 729                                        enum zebra_recctrl_action_t action,
 730                                        int test_mode,
 731                                        const char *recordType,
 732                                        zint *sysno,
 733                                        const char *match_criteria,
 734                                        const char *fname,
 735                                        RecType recType,
 736                                        void *recTypeClientData)
 737 {
 738     ZEBRA_RES res = ZEBRA_OK;
 739     while (1)
 740     {
 741         int more = 0;
 742         res = zebra_extract_record_stream(zh, stream,
 743                                           action,
 744                                           test_mode,
 745                                           recordType,
 746                                           sysno,
 747                                           match_criteria,
 748                                           fname,
 749                                           recType, recTypeClientData, &more);
 750         if (!more)
 751         {
 752             res = ZEBRA_OK;
 753             break;
 754         }
 755         if (res != ZEBRA_OK)
 756             break;
 757         if (sysno)
 758             break;
 759     }
 760     return res;
 761 }
 762
 763
 764 static WRBUF wrbuf_hex_str(const char *cstr)
 765 {
 766     size_t i;
 767     WRBUF w = wrbuf_alloc();
 768     for (i = 0; cstr[i]; i++)
 769     {
 770         if (cstr[i] < ' ' || cstr[i] > 126)
 771             wrbuf_printf(w, "\\%02X", cstr[i] & 0xff);
 772         else
 773             wrbuf_putc(w, cstr[i]);
 774     }
 775     return w;
 776 }
 777
 778 ZEBRA_RES zebra_extract_record_stream(ZebraHandle zh,
 779                                       struct ZebraRecStream *stream,
 780                                       enum zebra_recctrl_action_t action,
 781                                       int test_mode,
 782                                       const char *recordType,
 783                                       zint *sysno,
 784                                       const char *match_criteria,
 785                                       const char *fname,
 786                                       RecType recType,
 787                                       void *recTypeClientData,
 788                                       int *more)
 789
 790 {
 791     zint sysno0 = 0;
 792     RecordAttr *recordAttr;
 793     struct recExtractCtrl extractCtrl;
 794     int r;
 795     const char *matchStr = 0;
 796     Record rec;
 797     off_t start_offset = 0, end_offset = 0;
 798     const char *pr_fname = fname;  /* filename to print .. */
 799     int show_progress = zh->records_processed + zh->records_skipped
 800         < zh->m_file_verbose_limit ? 1:0;
 801
 802     zebra_init_log_level();
 803
 804     if (!pr_fname)
 805         pr_fname = "<no file>";  /* make it printable if file is omitted */
 806
 807     zebra_rec_keys_reset(zh->reg->keys);
 808     zebra_rec_keys_reset(zh->reg->sortKeys);
 809
 810     if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
 811     {
 812         if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
 813                                       zh->m_explain_database))
 814             return ZEBRA_FAIL;
 815     }
 816
 817     if (stream)
 818     {
 819         off_t null_offset = 0;
 820         extractCtrl.stream = stream;
 821
 822         start_offset = stream->tellf(stream);
 823
 824         extractCtrl.first_record = start_offset ? 0 : 1;
 825
 826         stream->endf(stream, &null_offset);;
 827
 828         extractCtrl.init = extract_init;
 829         extractCtrl.tokenAdd = extract_token_add;
 830         extractCtrl.schemaAdd = extract_schema_add;
 831         extractCtrl.dh = zh->reg->dh;
 832         extractCtrl.handle = zh;
 833         extractCtrl.match_criteria[0] = '\0';
 834         extractCtrl.staticrank = 0;
 835         extractCtrl.action = action;
 836
 837         init_extractCtrl(zh, &extractCtrl);
 838
 839         extract_set_store_data_prepare(&extractCtrl);
 840
 841         r = (*recType->extract)(recTypeClientData, &extractCtrl);
 842
 843         if (action == action_update)
 844         {
 845             action = extractCtrl.action;
 846         }
 847
 848         switch (r)
 849         {
 850         case RECCTRL_EXTRACT_EOF:
 851             return ZEBRA_FAIL;
 852         case RECCTRL_EXTRACT_ERROR_GENERIC:
 853             /* error occured during extraction ... */
 854             yaz_log (YLOG_WARN, "extract error: generic");
 855             return ZEBRA_FAIL;
 856         case RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER:
 857             /* error occured during extraction ... */
 858             yaz_log (YLOG_WARN, "extract error: no such filter");
 859             return ZEBRA_FAIL;
 860         case RECCTRL_EXTRACT_SKIP:
 861             if (show_progress)
 862                 yaz_log (YLOG_LOG, "skip %s %s " ZINT_FORMAT,
 863                          recordType, pr_fname, (zint) start_offset);
 864             *more = 1;
 865
 866             end_offset = stream->endf(stream, 0);
 867             if (end_offset)
 868                 stream->seekf(stream, end_offset);
 869
 870             return ZEBRA_OK;
 871         case RECCTRL_EXTRACT_OK:
 872             break;
 873         default:
 874             yaz_log (YLOG_WARN, "extract error: unknown error: %d", r);
 875             return ZEBRA_FAIL;
 876         }
 877         end_offset = stream->endf(stream, 0);
 878         if (end_offset)
 879             stream->seekf(stream, end_offset);
 880         else
 881             end_offset = stream->tellf(stream);
 882
 883         all_matches_add(&extractCtrl);
 884
 885         if (extractCtrl.match_criteria[0])
 886             match_criteria = extractCtrl.match_criteria;
 887     }
 888
 889     *more = 1;
 890     if (!sysno)
 891     {
 892         sysno = &sysno0;
 893
 894         if (match_criteria && *match_criteria) {
 895             matchStr = match_criteria;
 896         } else {
 897             if (zh->m_record_id && *zh->m_record_id) {
 898                 matchStr = get_match_from_spec(zh, zh->reg->keys, pr_fname,
 899                                                zh->m_record_id);
 900                 if (!matchStr)
 901                 {
 902                     yaz_log (YLOG_LOG, "error %s %s " ZINT_FORMAT, recordType,
 903                              pr_fname, (zint) start_offset);
 904                     return ZEBRA_FAIL;
 905                 }
 906             }
 907         }
 908         if (matchStr)
 909         {
 910             int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
 911             char *rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord,
 912                                           matchStr);
 913
 914
 915             if (log_level_extract)
 916             {
 917                 WRBUF w = wrbuf_hex_str(matchStr);
 918                 yaz_log(log_level_extract, "matchStr: %s", wrbuf_cstr(w));
 919                 wrbuf_destroy(w);
 920             }
 921             if (rinfo)
 922             {
 923                 assert(*rinfo == sizeof(*sysno));
 924                 memcpy (sysno, rinfo+1, sizeof(*sysno));
 925             }
 926        }
 927     }
 928     if (zebra_rec_keys_empty(zh->reg->keys))
 929     {
 930         /* the extraction process returned no information - the record
 931            is probably empty - unless flagShowRecords is in use */
 932         if (test_mode)
 933             return ZEBRA_OK;
 934     }
 935
 936     if (! *sysno)
 937     {
 938         /* new record */
 939         if (action == action_delete)
 940         {
 941             yaz_log (YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
 942                          pr_fname, (zint) start_offset);
 943             yaz_log (YLOG_WARN, "cannot delete record above (seems new)");
 944             return ZEBRA_FAIL;
 945         }
 946         else if (action == action_replace)
 947         {
 948             yaz_log (YLOG_LOG, "update %s %s " ZINT_FORMAT, recordType,
 949                          pr_fname, (zint) start_offset);
 950             yaz_log (YLOG_WARN, "cannot update record above (seems new)");
 951             return ZEBRA_FAIL;
 952         }
 953         if (show_progress)
 954             yaz_log (YLOG_LOG, "add %s %s " ZINT_FORMAT, recordType, pr_fname,
 955                      (zint) start_offset);
 956         rec = rec_new (zh->reg->records);
 957
 958         *sysno = rec->sysno;
 959
 960         recordAttr = rec_init_attr (zh->reg->zei, rec);
 961         if (extractCtrl.staticrank < 0)
 962         {
 963             yaz_log(YLOG_WARN, "Negative staticrank for record. Set to 0");
 964             extractCtrl.staticrank = 0;
 965         }
 966
 967         if (matchStr)
 968         {
 969             int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
 970             dict_insert_ord(zh->reg->matchDict, db_ord, matchStr,
 971                             sizeof(*sysno), sysno);
 972         }
 973
 974         extract_flush_sort_keys(zh, *sysno, 1, zh->reg->sortKeys);
 975 #if FLUSH2
 976         extract_flush_record_keys2(zh, *sysno,
 977                                    zh->reg->keys, extractCtrl.staticrank,
 978                                    0, recordAttr->staticrank);
 979 #else
 980         extract_flush_record_keys(zh, *sysno, 1, zh->reg->keys,
 981                                   extractCtrl.staticrank);
 982 #endif
 983         recordAttr->staticrank = extractCtrl.staticrank;
 984         zh->records_inserted++;
 985     }
 986     else
 987     {
 988         /* record already exists */
 989         zebra_rec_keys_t delkeys = zebra_rec_keys_open();
 990         zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
 991         if (action == action_insert)
 992         {
 993             yaz_log (YLOG_LOG, "skipped %s %s " ZINT_FORMAT,
 994                          recordType, pr_fname, (zint) start_offset);
 995             logRecord(zh);
 996             return ZEBRA_FAIL;
 997         }
 998
 999         rec = rec_get (zh->reg->records, *sysno);
1000         assert (rec);
1001
1002         recordAttr = rec_init_attr (zh->reg->zei, rec);
1003
1004         /* decrease total size */
1005         zebraExplain_recordBytesIncrement (zh->reg->zei,
1006                                            - recordAttr->recordSize);
1007
1008         zebra_rec_keys_set_buf(delkeys,
1009                                rec->info[recInfo_delKeys],
1010                                rec->size[recInfo_delKeys],
1011                                0);
1012         zebra_rec_keys_set_buf(sortKeys,
1013                                rec->info[recInfo_sortKeys],
1014                                rec->size[recInfo_sortKeys],
1015                                0);
1016
1017         extract_flush_sort_keys(zh, *sysno, 0, sortKeys);
1018 #if !FLUSH2
1019         extract_flush_record_keys(zh, *sysno, 0, delkeys,
1020                                   recordAttr->staticrank);
1021 #endif
1022         if (action == action_delete)
1023         {
1024             /* record going to be deleted */
1025 #if FLUSH2
1026             extract_flush_record_keys2(zh, *sysno, 0, recordAttr->staticrank,
1027                                        delkeys, recordAttr->staticrank);
1028 #endif
1029             if (zebra_rec_keys_empty(delkeys))
1030             {
1031                 yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
1032                         pr_fname, (zint) start_offset);
1033                 yaz_log(YLOG_WARN, "cannot delete file above, "
1034                         "storeKeys false (3)");
1035             }
1036             else
1037             {
1038                 if (show_progress)
1039                     yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
1040                             pr_fname, (zint) start_offset);
1041                 zh->records_deleted++;
1042                 if (matchStr)
1043                 {
1044                     int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
1045                     dict_delete_ord(zh->reg->matchDict, db_ord, matchStr);
1046                 }
1047                 rec_del (zh->reg->records, &rec);
1048             }
1049             zebra_rec_keys_close(delkeys);
1050             zebra_rec_keys_close(sortKeys);
1051             rec_free(&rec);
1052             logRecord(zh);
1053             return ZEBRA_OK;
1054         }
1055         else
1056         {   /* update or special_update */
1057             if (show_progress)
1058                 yaz_log(YLOG_LOG, "update %s %s " ZINT_FORMAT, recordType,
1059                         pr_fname, (zint) start_offset);
1060             extract_flush_sort_keys(zh, *sysno, 1, zh->reg->sortKeys);
1061
1062 #if FLUSH2
1063             extract_flush_record_keys2(zh, *sysno,
1064                                        zh->reg->keys, extractCtrl.staticrank,
1065                                        delkeys, recordAttr->staticrank);
1066 #else
1067             extract_flush_record_keys(zh, *sysno, 1,
1068                                       zh->reg->keys, extractCtrl.staticrank);
1069 #endif
1070             recordAttr->staticrank = extractCtrl.staticrank;
1071             zh->records_updated++;
1072         }
1073         zebra_rec_keys_close(delkeys);
1074         zebra_rec_keys_close(sortKeys);
1075     }
1076     /* update file type */
1077     xfree (rec->info[recInfo_fileType]);
1078     rec->info[recInfo_fileType] =
1079         rec_strdup (recordType, &rec->size[recInfo_fileType]);
1080
1081     /* update filename */
1082     xfree (rec->info[recInfo_filename]);
1083     rec->info[recInfo_filename] =
1084         rec_strdup (fname, &rec->size[recInfo_filename]);
1085
1086     /* update delete keys */
1087     xfree (rec->info[recInfo_delKeys]);
1088     if (!zebra_rec_keys_empty(zh->reg->keys) && zh->m_store_keys == 1)
1089     {
1090         zebra_rec_keys_get_buf(zh->reg->keys,
1091                                &rec->info[recInfo_delKeys],
1092                                &rec->size[recInfo_delKeys]);
1093     }
1094     else
1095     {
1096         rec->info[recInfo_delKeys] = NULL;
1097         rec->size[recInfo_delKeys] = 0;
1098     }
1099     /* update sort keys */
1100     xfree (rec->info[recInfo_sortKeys]);
1101
1102     zebra_rec_keys_get_buf(zh->reg->sortKeys,
1103                            &rec->info[recInfo_sortKeys],
1104                            &rec->size[recInfo_sortKeys]);
1105
1106     if (stream)
1107     {
1108         recordAttr->recordSize = end_offset - start_offset;
1109         zebraExplain_recordBytesIncrement(zh->reg->zei,
1110                                           recordAttr->recordSize);
1111     }
1112
1113     /* set run-number for this record */
1114     recordAttr->runNumber =
1115         zebraExplain_runNumberIncrement (zh->reg->zei, 0);
1116
1117     /* update store data */
1118     xfree (rec->info[recInfo_storeData]);
1119
1120     /* update store data */
1121     if (zh->store_data_buf)
1122     {
1123         rec->size[recInfo_storeData] = zh->store_data_size;
1124         rec->info[recInfo_storeData] = zh->store_data_buf;
1125         zh->store_data_buf = 0;
1126         recordAttr->recordSize = zh->store_data_size;
1127     }
1128     else if (zh->m_store_data)
1129     {
1130         off_t cur_offset = stream->tellf(stream);
1131
1132         rec->size[recInfo_storeData] = recordAttr->recordSize;
1133         rec->info[recInfo_storeData] = (char *)
1134             xmalloc (recordAttr->recordSize);
1135         stream->seekf(stream, start_offset);
1136         stream->readf(stream, rec->info[recInfo_storeData],
1137                       recordAttr->recordSize);
1138         stream->seekf(stream, cur_offset);
1139     }
1140     else
1141     {
1142         rec->info[recInfo_storeData] = NULL;
1143         rec->size[recInfo_storeData] = 0;
1144     }
1145     /* update database name */
1146     xfree (rec->info[recInfo_databaseName]);
1147     rec->info[recInfo_databaseName] =
1148         rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
1149
1150     /* update offset */
1151     recordAttr->recordOffset = start_offset;
1152
1153     /* commit this record */
1154     rec_put (zh->reg->records, &rec);
1155     logRecord(zh);
1156     return ZEBRA_OK;
1157 }
1158
1159 ZEBRA_RES zebra_extract_explain(void *handle, Record rec, data1_node *n)
1160 {
1161     ZebraHandle zh = (ZebraHandle) handle;
1162     struct recExtractCtrl extractCtrl;
1163
1164     if (zebraExplain_curDatabase (zh->reg->zei,
1165                                   rec->info[recInfo_databaseName]))
1166     {
1167         abort();
1168         if (zebraExplain_newDatabase (zh->reg->zei,
1169                                       rec->info[recInfo_databaseName], 0))
1170             abort ();
1171     }
1172
1173     zebra_rec_keys_reset(zh->reg->keys);
1174     zebra_rec_keys_reset(zh->reg->sortKeys);
1175
1176     extractCtrl.init = extract_init;
1177     extractCtrl.tokenAdd = extract_token_add;
1178     extractCtrl.schemaAdd = extract_schema_add;
1179     extractCtrl.dh = zh->reg->dh;
1180
1181     init_extractCtrl(zh, &extractCtrl);
1182
1183     extractCtrl.flagShowRecords = 0;
1184     extractCtrl.match_criteria[0] = '\0';
1185     extractCtrl.staticrank = 0;
1186     extractCtrl.action = action_update;
1187
1188     extractCtrl.handle = handle;
1189     extractCtrl.first_record = 1;
1190
1191     extract_set_store_data_prepare(&extractCtrl);
1192
1193     if (n)
1194         grs_extract_tree(&extractCtrl, n);
1195
1196     if (rec->size[recInfo_delKeys])
1197     {
1198         zebra_rec_keys_t delkeys = zebra_rec_keys_open();
1199
1200         zebra_rec_keys_t sortkeys = zebra_rec_keys_open();
1201
1202         zebra_rec_keys_set_buf(delkeys, rec->info[recInfo_delKeys],
1203                                rec->size[recInfo_delKeys],
1204                                0);
1205 #if FLUSH2
1206         extract_flush_record_keys2(zh, rec->sysno,
1207                                    zh->reg->keys, 0, delkeys, 0);
1208 #else
1209         extract_flush_record_keys(zh, rec->sysno, 0, delkeys, 0);
1210         extract_flush_record_keys(zh, rec->sysno, 1, zh->reg->keys, 0);
1211 #endif
1212         zebra_rec_keys_close(delkeys);
1213
1214         zebra_rec_keys_set_buf(sortkeys, rec->info[recInfo_sortKeys],
1215                                rec->size[recInfo_sortKeys],
1216                                0);
1217
1218         extract_flush_sort_keys(zh, rec->sysno, 0, sortkeys);
1219         zebra_rec_keys_close(sortkeys);
1220     }
1221     else
1222     {
1223 #if FLUSH2
1224         extract_flush_record_keys2(zh, rec->sysno, zh->reg->keys, 0, 0, 0);
1225 #else
1226         extract_flush_record_keys(zh, rec->sysno, 1, zh->reg->keys, 0);
1227 #endif
1228     }
1229     extract_flush_sort_keys(zh, rec->sysno, 1, zh->reg->sortKeys);
1230
1231     xfree (rec->info[recInfo_delKeys]);
1232     zebra_rec_keys_get_buf(zh->reg->keys,
1233                            &rec->info[recInfo_delKeys],
1234                            &rec->size[recInfo_delKeys]);
1235
1236     xfree (rec->info[recInfo_sortKeys]);
1237     zebra_rec_keys_get_buf(zh->reg->sortKeys,
1238                            &rec->info[recInfo_sortKeys],
1239                            &rec->size[recInfo_sortKeys]);
1240     return ZEBRA_OK;
1241 }
1242
1243 void extract_rec_keys_log(ZebraHandle zh, int is_insert,
1244                           zebra_rec_keys_t reckeys,
1245                           int level)
1246 {
1247     if (zebra_rec_keys_rewind(reckeys))
1248     {
1249         size_t slen;
1250         const char *str;
1251         struct it_key key;
1252         NMEM nmem = nmem_create();
1253
1254         while(zebra_rec_keys_read(reckeys, &str, &slen, &key))
1255         {
1256             char keystr[200]; /* room for zints to print */
1257             char *dst_term = 0;
1258             int ord = CAST_ZINT_TO_INT(key.mem[0]);
1259             int index_type, i;
1260             const char *string_index;
1261
1262             zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
1263                                     0/* db */, &string_index);
1264             assert(index_type);
1265             zebra_term_untrans_iconv(zh, nmem, index_type,
1266                                      &dst_term, str);
1267             *keystr = '\0';
1268             for (i = 0; i<key.len; i++)
1269             {
1270                 sprintf(keystr + strlen(keystr), ZINT_FORMAT " ", key.mem[i]);
1271             }
1272
1273             if (*str < CHR_BASE_CHAR)
1274             {
1275                 int i;
1276                 char dst_buf[200]; /* room for special chars */
1277
1278                 strcpy(dst_buf , "?");
1279
1280                 if (!strcmp(str, ""))
1281                     strcpy(dst_buf, "alwaysmatches");
1282                 if (!strcmp(str, FIRST_IN_FIELD_STR))
1283                     strcpy(dst_buf, "firstinfield");
1284                 else if (!strcmp(str, CHR_UNKNOWN))
1285                     strcpy(dst_buf, "unknown");
1286                 else if (!strcmp(str, CHR_SPACE))
1287                     strcpy(dst_buf, "space");
1288
1289                 for (i = 0; i<slen; i++)
1290                 {
1291                     sprintf(dst_buf + strlen(dst_buf), " %d", str[i] & 0xff);
1292                 }
1293                 yaz_log(level, "%s%c %s %s", keystr, index_type,
1294                         string_index, dst_buf);
1295
1296             }
1297             else
1298                 yaz_log(level, "%s%c %s \"%s\"", keystr, index_type,
1299                         string_index, dst_term);
1300
1301             nmem_reset(nmem);
1302         }
1303         nmem_destroy(nmem);
1304     }
1305 }
1306
1307 void extract_rec_keys_adjust(ZebraHandle zh, int is_insert,
1308                              zebra_rec_keys_t reckeys)
1309 {
1310     ZebraExplainInfo zei = zh->reg->zei;
1311     struct ord_stat {
1312         int no;
1313         int ord;
1314         struct ord_stat *next;
1315     };
1316
1317     if (zebra_rec_keys_rewind(reckeys))
1318     {
1319         struct ord_stat *ord_list = 0;
1320         struct ord_stat *p;
1321         size_t slen;
1322         const char *str;
1323         struct it_key key_in;
1324         while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
1325         {
1326             int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
1327
1328             for (p = ord_list; p ; p = p->next)
1329                 if (p->ord == ord)
1330                 {
1331                     p->no++;
1332                     break;
1333                 }
1334             if (!p)
1335             {
1336                 p = xmalloc(sizeof(*p));
1337                 p->no = 1;
1338                 p->ord = ord;
1339                 p->next = ord_list;
1340                 ord_list = p;
1341             }
1342         }
1343
1344         p = ord_list;
1345         while (p)
1346         {
1347             struct ord_stat *p1 = p;
1348
1349             if (is_insert)
1350                 zebraExplain_ord_adjust_occurrences(zei, p->ord, p->no, 1);
1351             else
1352                 zebraExplain_ord_adjust_occurrences(zei, p->ord, - p->no, -1);
1353             p = p->next;
1354             xfree(p1);
1355         }
1356     }
1357 }
1358
1359 void extract_flush_record_keys2(ZebraHandle zh, zint sysno,
1360                                 zebra_rec_keys_t ins_keys, zint ins_rank,
1361                                 zebra_rec_keys_t del_keys, zint del_rank)
1362 {
1363     ZebraExplainInfo zei = zh->reg->zei;
1364     int normal = 0;
1365     int optimized = 0;
1366
1367     if (!zh->reg->key_block)
1368     {
1369         int mem = 1024*1024 * atoi( res_get_def( zh->res, "memmax", "8"));
1370         const char *key_tmp_dir = res_get_def (zh->res, "keyTmpDir", ".");
1371         int use_threads = atoi(res_get_def (zh->res, "threads", "1"));
1372         zh->reg->key_block = key_block_create(mem, key_tmp_dir, use_threads);
1373     }
1374
1375     if (ins_keys)
1376     {
1377         extract_rec_keys_adjust(zh, 1, ins_keys);
1378         if (!del_keys)
1379             zebraExplain_recordCountIncrement (zei, 1);
1380         zebra_rec_keys_rewind(ins_keys);
1381     }
1382     if (del_keys)
1383     {
1384         extract_rec_keys_adjust(zh, 0, del_keys);
1385         if (!ins_keys)
1386             zebraExplain_recordCountIncrement (zei, -1);
1387         zebra_rec_keys_rewind(del_keys);
1388     }
1389
1390     while (1)
1391     {
1392         size_t del_slen;
1393         const char *del_str;
1394         struct it_key del_key_in;
1395         int del = 0;
1396
1397         size_t ins_slen;
1398         const char *ins_str;
1399         struct it_key ins_key_in;
1400         int ins = 0;
1401
1402         if (del_keys)
1403             del = zebra_rec_keys_read(del_keys, &del_str, &del_slen,
1404                                       &del_key_in);
1405         if (ins_keys)
1406             ins = zebra_rec_keys_read(ins_keys, &ins_str, &ins_slen,
1407                                       &ins_key_in);
1408
1409         if (del && ins && ins_rank == del_rank
1410             && !key_compare(&del_key_in, &ins_key_in)
1411             && ins_slen == del_slen && !memcmp(del_str, ins_str, del_slen))
1412         {
1413             optimized++;
1414             continue;
1415         }
1416         if (!del && !ins)
1417             break;
1418
1419         normal++;
1420         if (del)
1421             key_block_write(zh->reg->key_block, sysno,
1422                             &del_key_in, 0, del_str, del_slen,
1423                             del_rank, zh->m_staticrank);
1424         if (ins)
1425             key_block_write(zh->reg->key_block, sysno,
1426                             &ins_key_in, 1, ins_str, ins_slen,
1427                             ins_rank, zh->m_staticrank);
1428     }
1429     yaz_log(log_level_extract, "normal=%d optimized=%d", normal, optimized);
1430 }
1431
1432 void extract_flush_record_keys(ZebraHandle zh, zint sysno, int cmd,
1433                                zebra_rec_keys_t reckeys,
1434                                zint staticrank)
1435 {
1436     ZebraExplainInfo zei = zh->reg->zei;
1437
1438     extract_rec_keys_adjust(zh, cmd, reckeys);
1439
1440     if (log_level_details)
1441     {
1442         yaz_log(log_level_details, "Keys for record " ZINT_FORMAT " %s",
1443                 sysno, cmd ? "insert" : "delete");
1444         extract_rec_keys_log(zh, cmd, reckeys, log_level_details);
1445     }
1446
1447     if (!zh->reg->key_block)
1448     {
1449         int mem = 1024*1024 * atoi( res_get_def( zh->res, "memmax", "8"));
1450         const char *key_tmp_dir = res_get_def (zh->res, "keyTmpDir", ".");
1451         int use_threads = atoi(res_get_def (zh->res, "threads", "1"));
1452         zh->reg->key_block = key_block_create(mem, key_tmp_dir, use_threads);
1453     }
1454     zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
1455
1456 #if 0
1457     yaz_log(YLOG_LOG, "sysno=" ZINT_FORMAT " cmd=%d", sysno, cmd);
1458     print_rec_keys(zh, reckeys);
1459 #endif
1460     if (zebra_rec_keys_rewind(reckeys))
1461     {
1462         size_t slen;
1463         const char *str;
1464         struct it_key key_in;
1465         while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
1466         {
1467             key_block_write(zh->reg->key_block, sysno,
1468                             &key_in, cmd, str, slen,
1469                             staticrank, zh->m_staticrank);
1470         }
1471     }
1472 }
1473
1474 ZEBRA_RES zebra_rec_keys_to_snippets(ZebraHandle zh,
1475                                      zebra_rec_keys_t reckeys,
1476                                      zebra_snippets *snippets)
1477 {
1478     NMEM nmem = nmem_create();
1479     if (zebra_rec_keys_rewind(reckeys))
1480     {
1481         const char *str;
1482         size_t slen;
1483         struct it_key key;
1484         while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
1485         {
1486             char *dst_term = 0;
1487             int ord;
1488             zint seqno;
1489             int index_type;
1490
1491             assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
1492             seqno = key.mem[key.len-1];
1493             ord = CAST_ZINT_TO_INT(key.mem[0]);
1494
1495             zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
1496                                     0/* db */, 0 /* string_index */);
1497             assert(index_type);
1498             zebra_term_untrans_iconv(zh, nmem, index_type,
1499                                      &dst_term, str);
1500             zebra_snippets_append(snippets, seqno, 0, ord, dst_term);
1501             nmem_reset(nmem);
1502         }
1503     }
1504     nmem_destroy(nmem);
1505     return ZEBRA_OK;
1506 }
1507
1508 void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys)
1509 {
1510     yaz_log(YLOG_LOG, "print_rec_keys");
1511     if (zebra_rec_keys_rewind(reckeys))
1512     {
1513         const char *str;
1514         size_t slen;
1515         struct it_key key;
1516         while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
1517         {
1518             char dst_buf[IT_MAX_WORD];
1519             zint seqno;
1520             int index_type;
1521             int ord = CAST_ZINT_TO_INT(key.mem[0]);
1522             const char *db = 0;
1523             assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
1524
1525             zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, 0);
1526
1527             seqno = key.mem[key.len-1];
1528
1529             zebra_term_untrans(zh, index_type, dst_buf, str);
1530
1531             yaz_log(YLOG_LOG, "ord=%d seqno=" ZINT_FORMAT
1532                     " term=%s", ord, seqno, dst_buf);
1533         }
1534     }
1535 }
1536
1537 static void extract_add_index_string(RecWord *p, zinfo_index_category_t cat,
1538                                      const char *str, int length)
1539 {
1540     struct it_key key;
1541     ZebraHandle zh = p->extractCtrl->handle;
1542     ZebraExplainInfo zei = zh->reg->zei;
1543     int ch, i;
1544
1545     ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
1546     if (ch < 0)
1547         ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
1548
1549     i = 0;
1550     key.mem[i++] = ch;
1551     key.mem[i++] = p->record_id;
1552     key.mem[i++] = p->section_id;
1553
1554     if (zh->m_segment_indexing)
1555         key.mem[i++] = p->segment;
1556     key.mem[i++] = p->seqno;
1557     key.len = i;
1558
1559     zebra_rec_keys_write(zh->reg->keys, str, length, &key);
1560 }
1561
1562 static void extract_add_sort_string(RecWord *p, const char *str, int length)
1563 {
1564     struct it_key key;
1565     ZebraHandle zh = p->extractCtrl->handle;
1566     ZebraExplainInfo zei = zh->reg->zei;
1567     int ch;
1568     zinfo_index_category_t cat = zinfo_index_category_sort;
1569
1570     ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
1571     if (ch < 0)
1572         ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
1573     key.len = 2;
1574     key.mem[0] = ch;
1575     key.mem[1] = p->record_id;
1576
1577     zebra_rec_keys_write(zh->reg->sortKeys, str, length, &key);
1578 }
1579
1580 static void extract_add_staticrank_string(RecWord *p,
1581                                           const char *str, int length)
1582 {
1583     char valz[40];
1584     struct recExtractCtrl *ctrl = p->extractCtrl;
1585
1586     if (length > sizeof(valz)-1)
1587         length = sizeof(valz)-1;
1588
1589     memcpy(valz, str, length);
1590     valz[length] = '\0';
1591     ctrl->staticrank = atozint(valz);
1592 }
1593
1594 static void extract_add_string(RecWord *p, const char *string, int length)
1595 {
1596     ZebraHandle zh = p->extractCtrl->handle;
1597     assert (length > 0);
1598
1599     if (!p->index_name)
1600         return;
1601
1602     if (zebra_maps_is_index(zh->reg->zebra_maps, p->index_type))
1603     {
1604         extract_add_index_string(p, zinfo_index_category_index,
1605                                  string, length);
1606         if (zebra_maps_is_alwaysmatches(zh->reg->zebra_maps, p->index_type))
1607         {
1608             RecWord word;
1609             memcpy(&word, p, sizeof(word));
1610
1611             word.seqno = 1;
1612             extract_add_index_string(
1613                 &word, zinfo_index_category_alwaysmatches, "", 0);
1614         }
1615     }
1616     else if (zebra_maps_is_sort(zh->reg->zebra_maps, p->index_type))
1617     {
1618         extract_add_sort_string(p, string, length);
1619     }
1620     else if (zebra_maps_is_staticrank(zh->reg->zebra_maps, p->index_type))
1621     {
1622         extract_add_staticrank_string(p, string, length);
1623     }
1624 }
1625
1626 static void extract_add_incomplete_field(RecWord *p)
1627 {
1628     ZebraHandle zh = p->extractCtrl->handle;
1629     const char *b = p->term_buf;
1630     int remain = p->term_len;
1631     int first = 1;
1632     const char **map = 0;
1633
1634     if (remain > 0)
1635         map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
1636
1637     while (map)
1638     {
1639         char buf[IT_MAX_WORD+1];
1640         int i, remain;
1641
1642         /* Skip spaces */
1643         while (map && *map && **map == *CHR_SPACE)
1644         {
1645             remain = p->term_len - (b - p->term_buf);
1646             if (remain > 0)
1647                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b,
1648                                        remain, 0);
1649             else
1650                 map = 0;
1651         }
1652         if (!map)
1653             break;
1654         i = 0;
1655         while (map && *map && **map != *CHR_SPACE)
1656         {
1657             const char *cp = *map;
1658
1659             while (i < IT_MAX_WORD && *cp)
1660                 buf[i++] = *(cp++);
1661             remain = p->term_len - (b - p->term_buf);
1662             if (remain > 0)
1663                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, 0);
1664             else
1665                 map = 0;
1666         }
1667         if (!i)
1668             return;
1669
1670         if (first)
1671         {
1672             first = 0;
1673             if (zebra_maps_is_first_in_field(zh->reg->zebra_maps, p->index_type))
1674             {
1675                 /* first in field marker */
1676                 extract_add_string(p, FIRST_IN_FIELD_STR, FIRST_IN_FIELD_LEN);
1677                 p->seqno++;
1678             }
1679         }
1680         extract_add_string (p, buf, i);
1681         p->seqno++;
1682     }
1683 }
1684
1685 static void extract_add_complete_field (RecWord *p)
1686 {
1687     ZebraHandle zh = p->extractCtrl->handle;
1688     const char *b = p->term_buf;
1689     char buf[IT_MAX_WORD+1];
1690     const char **map = 0;
1691     int i = 0, remain = p->term_len;
1692
1693     if (remain > 0)
1694         map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b, remain, 1);
1695
1696     while (remain > 0 && i < IT_MAX_WORD)
1697     {
1698         while (map && *map && **map == *CHR_SPACE)
1699         {
1700             remain = p->term_len - (b - p->term_buf);
1701
1702             if (remain > 0)
1703             {
1704                 int first = i ? 0 : 1;  /* first position */
1705                 map = zebra_maps_input(zh->reg->zebra_maps, p->index_type, &b, remain, first);
1706             }
1707             else
1708                 map = 0;
1709         }
1710         if (!map)
1711             break;
1712
1713         if (i && i < IT_MAX_WORD)
1714             buf[i++] = *CHR_SPACE;
1715         while (map && *map && **map != *CHR_SPACE)
1716         {
1717             const char *cp = *map;
1718
1719             if (**map == *CHR_CUT)
1720             {
1721                 i = 0;
1722             }
1723             else
1724             {
1725                 if (i >= IT_MAX_WORD)
1726                     break;
1727                 while (i < IT_MAX_WORD && *cp)
1728                     buf[i++] = *(cp++);
1729             }
1730             remain = p->term_len  - (b - p->term_buf);
1731             if (remain > 0)
1732             {
1733                 map = zebra_maps_input (zh->reg->zebra_maps, p->index_type, &b,
1734                                         remain, 0);
1735             }
1736             else
1737                 map = 0;
1738         }
1739     }
1740     if (!i)
1741         return;
1742     extract_add_string (p, buf, i);
1743 }
1744
1745 static void extract_token_add(RecWord *p)
1746 {
1747     ZebraHandle zh = p->extractCtrl->handle;
1748     WRBUF wrbuf;
1749
1750     if (log_level_details)
1751     {
1752         yaz_log(log_level_details, "extract_token_add "
1753                 "type=%c index=%s seqno=" ZINT_FORMAT " s=%.*s",
1754                 p->index_type, p->index_name,
1755                 p->seqno, p->term_len, p->term_buf);
1756     }
1757     if ((wrbuf = zebra_replace(zh->reg->zebra_maps, p->index_type, 0,
1758                                p->term_buf, p->term_len)))
1759     {
1760         p->term_buf = wrbuf_buf(wrbuf);
1761         p->term_len = wrbuf_len(wrbuf);
1762     }
1763     if (zebra_maps_is_complete (zh->reg->zebra_maps, p->index_type))
1764         extract_add_complete_field (p);
1765     else
1766         extract_add_incomplete_field(p);
1767 }
1768
1769 static void extract_set_store_data_cb(struct recExtractCtrl *p,
1770                                       void *buf, size_t sz)
1771 {
1772     ZebraHandle zh = (ZebraHandle) p->handle;
1773
1774     xfree(zh->store_data_buf);
1775     zh->store_data_buf = 0;
1776     zh->store_data_size = 0;
1777     if (buf && sz)
1778     {
1779         zh->store_data_buf = xmalloc(sz);
1780         zh->store_data_size = sz;
1781         memcpy(zh->store_data_buf, buf, sz);
1782     }
1783 }
1784
1785 static void extract_set_store_data_prepare(struct recExtractCtrl *p)
1786 {
1787     ZebraHandle zh = (ZebraHandle) p->handle;
1788     xfree(zh->store_data_buf);
1789     zh->store_data_buf = 0;
1790     zh->store_data_size = 0;
1791     p->setStoreData = extract_set_store_data_cb;
1792 }
1793
1794 static void extract_schema_add(struct recExtractCtrl *p, Odr_oid *oid)
1795 {
1796     ZebraHandle zh = (ZebraHandle) p->handle;
1797     zebraExplain_addSchema (zh->reg->zei, oid);
1798 }
1799
1800 void extract_flush_sort_keys(ZebraHandle zh, zint sysno,
1801                              int cmd, zebra_rec_keys_t reckeys)
1802 {
1803 #if 0
1804     yaz_log(YLOG_LOG, "extract_flush_sort_keys cmd=%d sysno=" ZINT_FORMAT,
1805             cmd, sysno);
1806     extract_rec_keys_log(zh, cmd, reckeys, YLOG_LOG);
1807 #endif
1808
1809     if (zebra_rec_keys_rewind(reckeys))
1810     {
1811         zebra_sort_index_t si = zh->reg->sort_index;
1812         size_t slen;
1813         const char *str;
1814         struct it_key key_in;
1815
1816         zebra_sort_sysno(si, sysno);
1817
1818         while (zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
1819         {
1820             int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
1821
1822             zebra_sort_type(si, ord);
1823             if (cmd == 1)
1824                 zebra_sort_add(si, str, slen);
1825             else
1826                 zebra_sort_delete(si);
1827         }
1828     }
1829 }
1830
1831 /*
1832  * Local variables:
1833  * c-basic-offset: 4
1834  * indent-tabs-mode: nil
1835  * End:
1836  * vim: shiftwidth=4 tabstop=8 expandtab
1837  */
1838