index/zebrasrv.c

   1 /* This file is part of the Zebra server.
   2    Copyright (C) Index Data
   3
   4 Zebra is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 */
  19
  20 #if HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23 #include <assert.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <fcntl.h>
  27 #ifdef WIN32
  28 #include <io.h>
  29 #include <process.h>
  30 #include <sys/locking.h>
  31 #endif
  32 #if HAVE_UNISTD_H
  33 #include <unistd.h>
  34 #endif
  35
  36 #include <errno.h>
  37 #include <yaz/log.h>
  38 #include <yaz/ill.h>
  39 #include <yaz/yaz-util.h>
  40 #include <yaz/yaz-version.h>
  41 #include <yaz/diagbib1.h>
  42 #include <yaz/querytowrbuf.h>
  43 #include <yaz/pquery.h>
  44 #include <sys/types.h>
  45
  46 #include <yaz/backend.h>
  47 #include <yaz/charneg.h>
  48 #include <idzebra/api.h>
  49
  50 static int bend_sort(void *handle, bend_sort_rr *rr);
  51 static int bend_delete(void *handle, bend_delete_rr *rr);
  52 static int bend_esrequest(void *handle, bend_esrequest_rr *rr);
  53 static int bend_segment(void *handle, bend_segment_rr *rr);
  54 static int bend_search(void *handle, bend_search_rr *r);
  55 static int bend_fetch(void *handle, bend_fetch_rr *r);
  56 static int bend_scan(void *handle, bend_scan_rr *r);
  57
  58 bend_initresult *bend_init(bend_initrequest *q)
  59 {
  60     bend_initresult *r = (bend_initresult *)
  61         odr_malloc(q->stream, sizeof(*r));
  62     ZebraHandle zh;
  63     struct statserv_options_block *sob;
  64     char *user = NULL;
  65     char *passwd = NULL;
  66     char version_str[16];
  67
  68     r->errcode = 0;
  69     r->errstring = 0;
  70     q->bend_sort = bend_sort;
  71     q->bend_delete = bend_delete;
  72     q->bend_esrequest = bend_esrequest;
  73     q->bend_segment = bend_segment;
  74     q->bend_search = bend_search;
  75     q->bend_fetch = bend_fetch;
  76     q->bend_scan = bend_scan;
  77
  78     zebra_get_version(version_str, 0);
  79
  80     q->implementation_name = "Zebra Information Server";
  81     q->implementation_version = odr_strdup(q->stream, version_str);
  82
  83     yaz_log(YLOG_DEBUG, "bend_init");
  84
  85     sob = statserv_getcontrol();
  86     if (!(zh = zebra_open(sob->handle, 0)))
  87     {
  88         yaz_log(YLOG_WARN, "Failed to read config `%s'", sob->configname);
  89         r->errcode = YAZ_BIB1_PERMANENT_SYSTEM_ERROR;
  90         return r;
  91     }
  92     r->handle = zh;
  93
  94     q->query_charset = odr_strdup(q->stream, zebra_get_encoding(zh));
  95     if (q->auth)
  96     {
  97         if (q->auth->which == Z_IdAuthentication_open)
  98         {
  99             char *openpass = xstrdup(q->auth->u.open);
 100             char *cp = strchr(openpass, '/');
 101             if (cp)
 102             {
 103                 *cp = '\0';
 104                 user = nmem_strdup(odr_getmem(q->stream), openpass);
 105                 passwd = nmem_strdup(odr_getmem(q->stream), cp+1);
 106             }
 107             xfree(openpass);
 108         }
 109         else if (q->auth->which == Z_IdAuthentication_idPass)
 110         {
 111             Z_IdPass *idPass = q->auth->u.idPass;
 112
 113             user = idPass->userId;
 114             passwd = idPass->password;
 115         }
 116     }
 117     if (zebra_auth(zh, user, passwd) != ZEBRA_OK)
 118     {
 119         r->errcode = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
 120         r->errstring = user;
 121         return r;
 122     }
 123     if (q->charneg_request) /* characater set and language negotiation? */
 124     {
 125         char **charsets = 0;
 126         int num_charsets;
 127         char **langs = 0;
 128         int num_langs = 0;
 129         int selected = 0;
 130         int i;
 131         NMEM nmem = nmem_create();
 132
 133         yaz_get_proposal_charneg(nmem, q->charneg_request,
 134                                  &charsets, &num_charsets,
 135                                  &langs, &num_langs, &selected);
 136
 137         for (i = 0; i < num_charsets; i++)
 138         {
 139             const char *right_name = "";
 140             /*
 141              * FIXME! It is like rudiment :-))
 142              * We have to support this short names of character sets,
 143              * because a lot servers in Russia to use own in during
 144              * character set and language negotiation still.
 145              */
 146
 147             if (!yaz_matchstr(charsets[i], "win")) {
 148                 right_name = "WINDOWS-1251";
 149             } else if (!yaz_matchstr(charsets[i], "koi")) {
 150                 right_name = "KOI8-R";
 151             } else if (!yaz_matchstr(charsets[i], "iso")) {
 152                 right_name = "ISO-8859-5";
 153             } else if (!yaz_matchstr(charsets[i], "dos")) {
 154                 right_name = "CP866";
 155             } else if (!yaz_matchstr(charsets[i], "uni")) {
 156                 right_name = "UTF-8";
 157             } else {
 158                 right_name = charsets[i];
 159             }
 160             if (odr_set_charset(q->decode, "UTF-8", right_name) == 0)
 161             {
 162                 yaz_log(YLOG_LOG, "charset %d %s (proper name %s): OK", i,
 163                         charsets[i], right_name);
 164                 odr_set_charset(q->stream, right_name, "UTF-8");
 165                 if (selected)
 166                     zebra_record_encoding(zh, right_name);
 167                 zebra_octet_term_encoding(zh, right_name);
 168                 q->charneg_response =
 169                     yaz_set_response_charneg(q->stream, charsets[i],
 170                                              0, selected);
 171                 break;
 172             } else {
 173                 yaz_log(YLOG_LOG, "charset %d %s (proper name %s): unsupported", i,
 174                         charsets[i], right_name);
 175             }
 176         }
 177         nmem_destroy(nmem);
 178     }
 179     return r;
 180 }
 181
 182 static void search_terms(ZebraHandle zh, bend_search_rr *r)
 183 {
 184     int no_terms;
 185     int i;
 186     int type = Z_Term_general;
 187     struct Z_External *ext;
 188     Z_SearchInfoReport *sr;
 189
 190     zebra_result_set_term_no(zh, r->setname, &no_terms);
 191     if (!no_terms)
 192         return;
 193
 194     r->search_info = odr_malloc(r->stream, sizeof(*r->search_info));
 195
 196     r->search_info->num_elements = 1;
 197     r->search_info->list =
 198         odr_malloc(r->stream, sizeof(*r->search_info->list));
 199     r->search_info->list[0] =
 200         odr_malloc(r->stream, sizeof(**r->search_info->list));
 201     r->search_info->list[0]->category = 0;
 202     r->search_info->list[0]->which = Z_OtherInfo_externallyDefinedInfo;
 203     ext = odr_malloc(r->stream, sizeof(*ext));
 204     r->search_info->list[0]->information.externallyDefinedInfo = ext;
 205     ext->direct_reference = odr_oiddup(r->stream,
 206                                        yaz_oid_userinfo_searchresult_1);
 207     ext->indirect_reference = 0;
 208     ext->descriptor = 0;
 209     ext->which = Z_External_searchResult1;
 210     sr = odr_malloc(r->stream, sizeof(Z_SearchInfoReport));
 211     ext->u.searchResult1 = sr;
 212     sr->num = no_terms;
 213     sr->elements = odr_malloc(r->stream, sr->num *
 214                                sizeof(*sr->elements));
 215     for (i = 0; i < no_terms; i++)
 216     {
 217         Z_SearchInfoReport_s *se;
 218         Z_Term *term;
 219         zint count;
 220         int approx;
 221         char outbuf[1024];
 222         size_t len = sizeof(outbuf);
 223         const char *term_ref_id = 0;
 224
 225         zebra_result_set_term_info(zh, r->setname, i,
 226                                    &count, &approx, outbuf, &len,
 227                                    &term_ref_id);
 228         se = sr->elements[i] = odr_malloc(r->stream, sizeof(**sr->elements));
 229         se->subqueryId = term_ref_id ?
 230             odr_strdup(r->stream, term_ref_id) : 0;
 231
 232         se->fullQuery = odr_booldup(r->stream, 0);
 233         se->subqueryExpression =
 234             odr_malloc(r->stream, sizeof(Z_QueryExpression));
 235         se->subqueryExpression->which =
 236             Z_QueryExpression_term;
 237         se->subqueryExpression->u.term =
 238             odr_malloc(r->stream, sizeof(Z_QueryExpressionTerm));
 239         term = odr_malloc(r->stream, sizeof(Z_Term));
 240         se->subqueryExpression->u.term->queryTerm = term;
 241         switch (type)
 242         {
 243         case Z_Term_characterString:
 244             term->which = Z_Term_characterString;
 245             term->u.characterString = odr_strdup(r->stream, outbuf);
 246             break;
 247         case Z_Term_general:
 248             term->which = Z_Term_general;
 249             term->u.general = odr_create_Odr_oct(r->stream,
 250 #if YAZ_VERSIONL < 0x50000
 251                                                  (unsigned char *)
 252 #endif
 253                                                  outbuf, len);
 254             break;
 255         default:
 256             term->which = Z_Term_general;
 257             term->u.null = odr_nullval();
 258         }
 259         se->subqueryExpression->u.term->termComment = 0;
 260         se->subqueryInterpretation = 0;
 261         se->subqueryRecommendation = 0;
 262         se->subqueryCount = odr_intdup(r->stream, count);
 263         se->subqueryWeight = 0;
 264         se->resultsByDB = 0;
 265     }
 266 }
 267
 268 static int break_handler(void *client_data)
 269 {
 270     bend_association assoc =(bend_association) client_data;
 271     if (!bend_assoc_is_alive(assoc))
 272         return 1;
 273     return 0;
 274 }
 275
 276 static Z_RPNQuery *query_add_sortkeys(ODR o, Z_RPNQuery *query,
 277                                       const char *sortKeys)
 278 {
 279 #if YAZ_VERSIONL >= 0x40200
 280     /* sortkey layour: path,schema,ascending,caseSensitive,missingValue */
 281     /* see cql_sortby_to_sortkeys of YAZ. */
 282     char **sortspec;
 283     int num_sortspec = 0;
 284     int i;
 285
 286     if (sortKeys)
 287         nmem_strsplit_blank(odr_getmem(o), sortKeys, &sortspec, &num_sortspec);
 288     if (num_sortspec > 0)
 289     {
 290         Z_RPNQuery *nquery;
 291         WRBUF w = wrbuf_alloc();
 292
 293         /* left operand 'd' will be replaced by original query */
 294         wrbuf_puts(w, "@or d");
 295         for (i = 0; i < num_sortspec; i++)
 296         {
 297             char **arg;
 298             int num_arg;
 299             int ascending = 1;
 300             nmem_strsplitx(odr_getmem(o), ",", sortspec[i], &arg, &num_arg, 0);
 301
 302             if (num_arg > 5 || num_arg < 1)
 303             {
 304                 yaz_log(YLOG_WARN, "Invalid sort spec '%s' num_arg=%d",
 305                         sortspec[i], num_arg);
 306                 break;
 307             }
 308             if (num_arg > 2 && arg[2][0])
 309                 ascending = atoi(arg[2]);
 310
 311             if (i < num_sortspec-1)
 312                 wrbuf_puts(w, " @or");
 313             wrbuf_puts(w, " @attr 1=");
 314             yaz_encode_pqf_term(w, arg[0], strlen(arg[0]));
 315             wrbuf_printf(w, "@attr 7=%d %d", ascending ? 1 : 2, i);
 316         }
 317         nquery = p_query_rpn(o, wrbuf_cstr(w));
 318         if (!nquery)
 319         {
 320             yaz_log(YLOG_WARN, "query_add_sortkeys: bad RPN: '%s'",
 321                     wrbuf_cstr(w));
 322         }
 323         else
 324         {
 325             Z_RPNStructure *s = nquery->RPNStructure;
 326
 327             if (s->which != Z_RPNStructure_complex)
 328             {
 329                 yaz_log(YLOG_WARN, "query_add_sortkeys: not complex operand");
 330             }
 331             else
 332             {
 333                 /* left operand 'd' is replaced by origial query */
 334                 s->u.complex->s1 = query->RPNStructure;
 335                 /* and original query points to our new or+sort things */
 336                 query->RPNStructure = s;
 337             }
 338         }
 339         wrbuf_destroy(w);
 340     }
 341 #else
 342     if (sortKeys)
 343     {
 344         yaz_log(YLOG_WARN, "sortkeys ignored because YAZ version < 4.2.0");
 345     }
 346 #endif
 347     return query;
 348 }
 349
 350 int bend_search(void *handle, bend_search_rr *r)
 351 {
 352     ZebraHandle zh = (ZebraHandle) handle;
 353     zint zhits = 0;
 354     ZEBRA_RES res;
 355     Z_RPNQuery *q2;
 356
 357     res = zebra_select_databases(zh, r->num_bases,
 358                                   (const char **) r->basenames);
 359     if (res != ZEBRA_OK)
 360     {
 361         zebra_result(zh, &r->errcode, &r->errstring);
 362         return 0;
 363     }
 364     zebra_set_break_handler(zh, break_handler, r->association);
 365     yaz_log(YLOG_DEBUG, "ResultSet '%s'", r->setname);
 366     switch (r->query->which)
 367     {
 368     case Z_Query_type_1: case Z_Query_type_101:
 369         q2 = query_add_sortkeys(r->stream, r->query->u.type_1, r->srw_sortKeys);
 370         res = zebra_search_RPN_x(zh, r->stream, q2,
 371                                  r->setname, &zhits,
 372                                  &r->estimated_hit_count,
 373                                  &r->partial_resultset);
 374         if (res != ZEBRA_OK)
 375             zebra_result(zh, &r->errcode, &r->errstring);
 376         else
 377         {
 378             r->hits = zhits;
 379             search_terms(zh, r);
 380         }
 381         break;
 382     case Z_Query_type_2:
 383         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 384         r->errstring = "type-2";
 385         break;
 386     default:
 387         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 388     }
 389     zebra_set_break_handler(zh, 0, 0);
 390     return 0;
 391 }
 392
 393
 394 int bend_fetch(void *handle, bend_fetch_rr *r)
 395 {
 396     ZebraHandle zh = (ZebraHandle) handle;
 397     ZebraRetrievalRecord retrievalRecord;
 398     ZEBRA_RES res;
 399
 400     retrievalRecord.position = r->number;
 401
 402     r->last_in_set = 0;
 403     res = zebra_records_retrieve(zh, r->stream, r->setname, r->comp,
 404                                   r->request_format, 1, &retrievalRecord);
 405     if (res != ZEBRA_OK)
 406     {
 407         /* non-surrogate diagnostic */
 408         zebra_result(zh, &r->errcode, &r->errstring);
 409     }
 410     else if (retrievalRecord.errCode)
 411     {
 412         /* surrogate diagnostic (diagnostic per record) */
 413         r->surrogate_flag = 1;
 414         r->errcode = retrievalRecord.errCode;
 415         r->errstring = retrievalRecord.errString;
 416         r->basename = retrievalRecord.base;
 417     }
 418     else
 419     {
 420         r->basename = retrievalRecord.base;
 421         r->record = retrievalRecord.buf;
 422         r->len = retrievalRecord.len;
 423         r->output_format = odr_oiddup(r->stream, retrievalRecord.format);
 424     }
 425     return 0;
 426 }
 427
 428 static int bend_scan(void *handle, bend_scan_rr *r)
 429 {
 430     ZebraScanEntry *entries;
 431     ZebraHandle zh = (ZebraHandle) handle;
 432     int is_partial, i;
 433     ZEBRA_RES res;
 434
 435     res = zebra_select_databases(zh, r->num_bases,
 436                                  (const char **) r->basenames);
 437     if (res != ZEBRA_OK)
 438     {
 439         zebra_result(zh, &r->errcode, &r->errstring);
 440         return 0;
 441     }
 442     if (r->step_size != 0 && *r->step_size != 0) {
 443         r->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 444         r->errstring = 0;
 445         return 0;
 446     }
 447     res = zebra_scan(zh, r->stream, r->term,
 448                      r->attributeset,
 449                      &r->term_position,
 450                      &r->num_entries, &entries, &is_partial,
 451                      0 /* setname */);
 452     if (res == ZEBRA_OK)
 453     {
 454         if (is_partial)
 455             r->status = BEND_SCAN_PARTIAL;
 456         else
 457             r->status = BEND_SCAN_SUCCESS;
 458         for (i = 0; i < r->num_entries; i++)
 459         {
 460             r->entries[i].term = entries[i].term;
 461             r->entries[i].display_term = entries[i].display_term;
 462             r->entries[i].occurrences = entries[i].occurrences;
 463         }
 464     }
 465     else
 466     {
 467         r->status = BEND_SCAN_PARTIAL;
 468         zebra_result(zh, &r->errcode, &r->errstring);
 469     }
 470     return 0;
 471 }
 472
 473 void bend_close(void *handle)
 474 {
 475     zebra_close((ZebraHandle) handle);
 476     xmalloc_trav("bend_close");
 477 }
 478
 479 int bend_sort(void *handle, bend_sort_rr *rr)
 480 {
 481     ZebraHandle zh = (ZebraHandle) handle;
 482
 483     if (zebra_sort(zh, rr->stream,
 484                     rr->num_input_setnames, (const char **) rr->input_setnames,
 485                     rr->output_setname, rr->sort_sequence, &rr->sort_status)
 486         != ZEBRA_OK)
 487         zebra_result(zh, &rr->errcode, &rr->errstring);
 488     return 0;
 489 }
 490
 491 int bend_delete(void *handle, bend_delete_rr *rr)
 492 {
 493     ZebraHandle zh = (ZebraHandle) handle;
 494
 495     rr->delete_status = zebra_deleteResultSet(zh, rr->function,
 496                                               rr->num_setnames, rr->setnames,
 497                                               rr->statuses);
 498     return 0;
 499 }
 500
 501 static void es_admin_request(bend_esrequest_rr *rr, ZebraHandle zh, Z_AdminEsRequest *r)
 502 {
 503     ZEBRA_RES res = ZEBRA_OK;
 504     if (r->toKeep->databaseName)
 505     {
 506         yaz_log(YLOG_LOG, "adm request database %s", r->toKeep->databaseName);
 507     }
 508     switch (r->toKeep->which)
 509     {
 510     case Z_ESAdminOriginPartToKeep_reIndex:
 511         yaz_log(YLOG_LOG, "adm-reindex");
 512         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 513         rr->errstring = "adm-reindex not implemented yet";
 514         break;
 515     case Z_ESAdminOriginPartToKeep_truncate:
 516         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 517         rr->errstring = "adm-reindex not implemented yet";
 518         yaz_log(YLOG_LOG, "adm-truncate");
 519         break;
 520     case Z_ESAdminOriginPartToKeep_drop:
 521         yaz_log(YLOG_LOG, "adm-drop");
 522         res = zebra_drop_database(zh, r->toKeep->databaseName);
 523         break;
 524     case Z_ESAdminOriginPartToKeep_create:
 525         yaz_log(YLOG_LOG, "adm-create %s", r->toKeep->databaseName);
 526         res = zebra_create_database(zh, r->toKeep->databaseName);
 527         break;
 528     case Z_ESAdminOriginPartToKeep_import:
 529         yaz_log(YLOG_LOG, "adm-import");
 530         res = zebra_admin_import_begin(zh, r->toKeep->databaseName,
 531                                         r->toKeep->u.import->recordType);
 532         break;
 533     case Z_ESAdminOriginPartToKeep_refresh:
 534         yaz_log(YLOG_LOG, "adm-refresh");
 535         break;
 536     case Z_ESAdminOriginPartToKeep_commit:
 537         yaz_log(YLOG_LOG, "adm-commit");
 538         if (r->toKeep->databaseName)
 539         {
 540             if (zebra_select_database(zh, r->toKeep->databaseName) !=
 541                 ZEBRA_OK)
 542                 yaz_log(YLOG_WARN, "zebra_select_database failed in "
 543                         "adm-commit");
 544         }
 545         zebra_commit(zh);
 546         break;
 547     case Z_ESAdminOriginPartToKeep_shutdown:
 548         yaz_log(YLOG_LOG, "shutdown");
 549         res = zebra_admin_shutdown(zh);
 550         break;
 551     case Z_ESAdminOriginPartToKeep_start:
 552         yaz_log(YLOG_LOG, "start");
 553         zebra_admin_start(zh);
 554         break;
 555     default:
 556         yaz_log(YLOG_LOG, "unknown admin");
 557         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 558         rr->errstring = "adm-reindex not implemented yet";
 559     }
 560     if (res != ZEBRA_OK)
 561         zebra_result(zh, &rr->errcode, &rr->errstring);
 562 }
 563
 564 static void es_admin(bend_esrequest_rr *rr, ZebraHandle zh, Z_Admin *r)
 565 {
 566     switch (r->which)
 567     {
 568     case Z_Admin_esRequest:
 569         es_admin_request(rr, zh, r->u.esRequest);
 570         return;
 571     default:
 572         break;
 573     }
 574         yaz_log(YLOG_WARN, "adm taskpackage (unhandled)");
 575     rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 576     rr->errstring = "adm-task package (unhandled)";
 577 }
 578
 579 int bend_segment(void *handle, bend_segment_rr *rr)
 580 {
 581     ZebraHandle zh = (ZebraHandle) handle;
 582     Z_Segment *segment = rr->segment;
 583
 584     if (segment->num_segmentRecords)
 585         zebra_admin_import_segment(zh, rr->segment);
 586     else
 587         zebra_admin_import_end(zh);
 588     return 0;
 589 }
 590
 591 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
 592 {
 593     ZebraHandle zh = (ZebraHandle) handle;
 594
 595     yaz_log(YLOG_LOG, "function: " ODR_INT_PRINTF, *rr->esr->function);
 596     if (rr->esr->packageName)
 597         yaz_log(YLOG_LOG, "packagename: %s", rr->esr->packageName);
 598     yaz_log(YLOG_LOG, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 599
 600     if (!rr->esr->taskSpecificParameters)
 601     {
 602         yaz_log(YLOG_WARN, "No task specific parameters");
 603     }
 604     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 605     {
 606         es_admin(rr, zh, rr->esr->taskSpecificParameters->u.adminService);
 607     }
 608     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 609     {
 610         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 611         yaz_log(YLOG_LOG, "Received DB Update");
 612         if (up->which == Z_IUUpdate_esRequest)
 613         {
 614             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 615             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 616             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 617
 618             yaz_log(YLOG_LOG, "action");
 619             if (toKeep->action)
 620             {
 621                 switch (*toKeep->action)
 622                 {
 623                 case Z_IUOriginPartToKeep_recordInsert:
 624                     yaz_log(YLOG_LOG, "recordInsert");
 625                     break;
 626                 case Z_IUOriginPartToKeep_recordReplace:
 627                     yaz_log(YLOG_LOG, "recordUpdate");
 628                     break;
 629                 case Z_IUOriginPartToKeep_recordDelete:
 630                     yaz_log(YLOG_LOG, "recordDelete");
 631                     break;
 632                 case Z_IUOriginPartToKeep_elementUpdate:
 633                     yaz_log(YLOG_LOG, "elementUpdate");
 634                     break;
 635                 case Z_IUOriginPartToKeep_specialUpdate:
 636                     yaz_log(YLOG_LOG, "specialUpdate");
 637                     break;
 638                 case Z_ESAdminOriginPartToKeep_shutdown:
 639                     yaz_log(YLOG_LOG, "shutDown");
 640                     break;
 641                 case Z_ESAdminOriginPartToKeep_start:
 642                     yaz_log(YLOG_LOG, "start");
 643                     break;
 644                 default:
 645                     yaz_log(YLOG_LOG, " unknown (" ODR_INT_PRINTF ")",
 646                             *toKeep->action);
 647                 }
 648             }
 649             if (toKeep->databaseName)
 650             {
 651                 yaz_log(YLOG_LOG, "database: %s", toKeep->databaseName);
 652
 653                 if (zebra_select_database(zh, toKeep->databaseName))
 654                     return 0;
 655             }
 656             else
 657             {
 658                 yaz_log(YLOG_WARN, "no database supplied for ES Update");
 659                 rr->errcode =
 660                     YAZ_BIB1_ES_MISSING_MANDATORY_PARAMETER_FOR_SPECIFIED_FUNCTION_;
 661                 rr->errstring = "database";
 662                 return 0;
 663             }
 664             if (zebra_begin_trans(zh, 1) != ZEBRA_OK)
 665             {
 666                 zebra_result(zh, &rr->errcode, &rr->errstring);
 667             }
 668             else
 669             {
 670                 int i;
 671                 for (i = 0; notToKeep && i < notToKeep->num; i++)
 672                 {
 673                     Z_External *rec = notToKeep->elements[i]->record;
 674                     Odr_oct *opaque_recid = 0;
 675                     zint *sysno = 0;
 676                     zint sysno_tmp;
 677
 678                     if (notToKeep->elements[i]->u.opaque)
 679                     {
 680                         switch(notToKeep->elements[i]->which)
 681                         {
 682                         case Z_IUSuppliedRecords_elem_opaque:
 683                             opaque_recid = notToKeep->elements[i]->u.opaque;
 684                             break; /* OK, recid already set */
 685                         case Z_IUSuppliedRecords_elem_number:
 686                             sysno_tmp = *notToKeep->elements[i]->u.number;
 687                             sysno = &sysno_tmp;
 688                             break;
 689                         }
 690                     }
 691                     if (rec->direct_reference)
 692                     {
 693                         char oid_name_str[OID_STR_MAX];
 694                         const char *oid_name =
 695                             yaz_oid_to_string_buf(
 696                                 rec->direct_reference,
 697                                 0, oid_name_str);
 698                         if (oid_name)
 699                             yaz_log(YLOG_LOG, "record %d type %s", i,
 700                                      oid_name);
 701                     }
 702                     switch (rec->which)
 703                     {
 704                     case Z_External_sutrs:
 705                         if (rec->u.octet_aligned->len > 170)
 706                             yaz_log(YLOG_LOG, "%d bytes:\n%.168s ...",
 707                                      rec->u.sutrs->len,
 708                                      rec->u.sutrs->buf);
 709                         else
 710                             yaz_log(YLOG_LOG, "%d bytes:\n%s",
 711                                      rec->u.sutrs->len,
 712                                      rec->u.sutrs->buf);
 713                         break;
 714                     case Z_External_octet:
 715                         if (rec->u.octet_aligned->len > 170)
 716                             yaz_log(YLOG_LOG, "%d bytes:\n%.168s ...",
 717                                      rec->u.octet_aligned->len,
 718                                      rec->u.octet_aligned->buf);
 719                         else
 720                             yaz_log(YLOG_LOG, "%d bytes\n%s",
 721                                      rec->u.octet_aligned->len,
 722                                      rec->u.octet_aligned->buf);
 723                     }
 724                     if (rec->which == Z_External_octet)
 725                     {
 726                         enum zebra_recctrl_action_t action = action_update;
 727                         char recid_str[256];
 728                         const char *match_criteria = 0;
 729                         ZEBRA_RES res;
 730
 731                         if (*toKeep->action ==
 732                             Z_IUOriginPartToKeep_recordInsert)
 733                             action = action_insert;
 734                         else if (*toKeep->action ==
 735                             Z_IUOriginPartToKeep_recordReplace)
 736                             action = action_replace;
 737                         else if (*toKeep->action ==
 738                             Z_IUOriginPartToKeep_recordDelete)
 739                             action = action_delete;
 740                         else if (*toKeep->action ==
 741                             Z_IUOriginPartToKeep_specialUpdate)
 742                             action = action_update;
 743                         else
 744                         {
 745                             rr->errcode =
 746                                 YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 747                             rr->errstring = "unsupported ES Update action";
 748                             break;
 749                         }
 750
 751                         if (opaque_recid)
 752                         {
 753                             size_t l = opaque_recid->len;
 754                             if (l >= sizeof(recid_str))
 755                             {
 756                                 rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 757                                 rr->errstring = "opaque record ID too large";
 758                                 break;
 759                             }
 760                             memcpy(recid_str, opaque_recid->buf, l);
 761                             recid_str[l] = '\0';
 762                             match_criteria = recid_str;
 763                         }
 764                         res = zebra_update_record(
 765                             zh, action,
 766                             0, /* recordType */
 767                             sysno, match_criteria, 0, /* fname */
 768                             (const char *) rec->u.octet_aligned->buf,
 769                             rec->u.octet_aligned->len);
 770                         if (res == ZEBRA_FAIL)
 771                         {
 772                             rr->errcode =
 773                                 YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 774                             rr->errstring = "update_record failed";
 775                         }
 776                     }
 777                 }
 778                 if (zebra_end_trans(zh) != ZEBRA_OK)
 779                 {
 780                     yaz_log(YLOG_WARN, "zebra_end_trans failed for"
 781                             " extended service operation");
 782                 }
 783             }
 784         }
 785     }
 786     else
 787     {
 788         yaz_log(YLOG_WARN, "Unknown Extended Service(%d)",
 789                  rr->esr->taskSpecificParameters->which);
 790         rr->errcode = YAZ_BIB1_ES_EXTENDED_SERVICE_TYPE_UNSUPP;
 791
 792     }
 793     return 0;
 794 }
 795
 796 static void bend_start(struct statserv_options_block *sob)
 797 {
 798     Res default_res = res_open(0, 0);
 799
 800     if (sob->handle)
 801         zebra_stop((ZebraService) sob->handle);
 802     res_set(default_res, "profilePath", DEFAULT_PROFILE_PATH);
 803     res_set(default_res, "modulePath", DEFAULT_MODULE_PATH);
 804     sob->handle = zebra_start_res(sob->configname, default_res, 0);
 805     res_close(default_res);
 806     if (!sob->handle)
 807     {
 808         yaz_log(YLOG_FATAL, "Failed to read config `%s'", sob->configname);
 809         exit(1);
 810     }
 811 #ifdef WIN32
 812
 813 #else
 814     if (!sob->inetd && !sob->background)
 815     {
 816         char pidfname[4096];
 817         struct flock area;
 818         int fd;
 819
 820         zebra_pidfname(sob->handle, pidfname);
 821
 822         fd = open(pidfname, O_EXCL|O_WRONLY|O_CREAT, 0666);
 823         if (fd == -1)
 824         {
 825             if (errno != EEXIST)
 826             {
 827                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 828                 exit(1);
 829             }
 830             fd = open(pidfname, O_RDWR, 0666);
 831             if (fd == -1)
 832             {
 833                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 834                 exit(1);
 835             }
 836         }
 837         area.l_type = F_WRLCK;
 838         area.l_whence = SEEK_SET;
 839         area.l_len = area.l_start = 0L;
 840         if (fcntl(fd, F_SETLK, &area) == -1)
 841         {
 842             yaz_log(YLOG_ERRNO|YLOG_FATAL, "Zebra server already running");
 843             exit(1);
 844         }
 845         else
 846         {
 847             char pidstr[30];
 848
 849             sprintf(pidstr, "%ld", (long) getpid());
 850             if (write(fd, pidstr, strlen(pidstr)) != strlen(pidstr))
 851             {
 852                 yaz_log(YLOG_ERRNO|YLOG_FATAL, "write fail %s", pidfname);
 853                 exit(1);
 854             }
 855         }
 856     }
 857 #endif
 858 }
 859
 860 static void bend_stop(struct statserv_options_block *sob)
 861 {
 862 #ifdef WIN32
 863
 864 #else
 865     if (!sob->inetd && !sob->background && sob->handle)
 866     {
 867         char pidfname[4096];
 868         zebra_pidfname(sob->handle, pidfname);
 869         unlink(pidfname);
 870     }
 871 #endif
 872     if (sob->handle)
 873     {
 874         ZebraService service = sob->handle;
 875         zebra_stop(service);
 876     }
 877 }
 878
 879 int main(int argc, char **argv)
 880 {
 881     struct statserv_options_block *sob;
 882
 883     sob = statserv_getcontrol();
 884     strcpy(sob->configname, "zebra.cfg");
 885     sob->bend_start = bend_start;
 886     sob->bend_stop = bend_stop;
 887 #ifdef WIN32
 888     strcpy(sob->service_name, "zebrasrv");
 889     strcpy(sob->service_display_name, "Zebra Server");
 890 #endif
 891     statserv_setcontrol(sob);
 892
 893     return statserv_main(argc, argv, bend_init, bend_close);
 894 }
 895 /*
 896  * Local variables:
 897  * c-basic-offset: 4
 898  * c-file-style: "Stroustrup"
 899  * indent-tabs-mode: nil
 900  * End:
 901  * vim: shiftwidth=4 tabstop=8 expandtab
 902  */
 903