index/zebrasrv.c

   1 /* $Id: zebrasrv.c,v 1.15 2007-04-17 20:27:14 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 <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/diagbib1.h>
  41
  42 #include <sys/types.h>
  43
  44 #include <yaz/backend.h>
  45 #include <yaz/charneg.h>
  46 #include <idzebra/api.h>
  47
  48 static int bend_sort (void *handle, bend_sort_rr *rr);
  49 static int bend_delete (void *handle, bend_delete_rr *rr);
  50 static int bend_esrequest (void *handle, bend_esrequest_rr *rr);
  51 static int bend_segment (void *handle, bend_segment_rr *rr);
  52 static int bend_search (void *handle, bend_search_rr *r);
  53 static int bend_fetch (void *handle, bend_fetch_rr *r);
  54 static int bend_scan (void *handle, bend_scan_rr *r);
  55
  56 bend_initresult *bend_init (bend_initrequest *q)
  57 {
  58     bend_initresult *r = (bend_initresult *)
  59         odr_malloc (q->stream, sizeof(*r));
  60     ZebraHandle zh;
  61     struct statserv_options_block *sob;
  62     char *user = NULL;
  63     char *passwd = NULL;
  64
  65     r->errcode = 0;
  66     r->errstring = 0;
  67     q->bend_sort = bend_sort;
  68     q->bend_delete = bend_delete;
  69     q->bend_esrequest = bend_esrequest;
  70     q->bend_segment = bend_segment;
  71     q->bend_search = bend_search;
  72     q->bend_fetch = bend_fetch;
  73     q->bend_scan = bend_scan;
  74
  75     q->implementation_name = "Zebra Information Server";
  76     q->implementation_version = "Zebra " ZEBRAVER;
  77
  78     yaz_log (YLOG_DEBUG, "bend_init");
  79
  80     sob = statserv_getcontrol ();
  81     if (!(zh = zebra_open (sob->handle, 0)))
  82     {
  83         yaz_log (YLOG_WARN, "Failed to read config `%s'", sob->configname);
  84         r->errcode = YAZ_BIB1_PERMANENT_SYSTEM_ERROR;
  85         return r;
  86     }
  87     r->handle = zh;
  88     if (q->auth)
  89     {
  90         if (q->auth->which == Z_IdAuthentication_open)
  91         {
  92             char *openpass = xstrdup (q->auth->u.open);
  93             char *cp = strchr (openpass, '/');
  94             if (cp)
  95             {
  96                 *cp = '\0';
  97                 user = nmem_strdup (odr_getmem (q->stream), openpass);
  98                 passwd = nmem_strdup (odr_getmem (q->stream), cp+1);
  99             }
 100             xfree (openpass);
 101         }
 102         else if (q->auth->which == Z_IdAuthentication_idPass)
 103         {
 104             Z_IdPass *idPass = q->auth->u.idPass;
 105
 106             user = idPass->userId;
 107             passwd = idPass->password;
 108         }
 109     }
 110     if (zebra_auth(zh, user, passwd) != ZEBRA_OK)
 111     {
 112         r->errcode = YAZ_BIB1_INIT_AC_BAD_USERID_AND_OR_PASSWORD;
 113         r->errstring = user;
 114         return r;
 115     }
 116     if (q->charneg_request) /* characater set and langauge negotiation? */
 117     {
 118         char **charsets = 0;
 119         int num_charsets;
 120         char **langs = 0;
 121         int num_langs = 0;
 122         int selected = 0;
 123         int i;
 124         NMEM nmem = nmem_create();
 125
 126         yaz_log (YLOG_LOG, "character set and language negotiation");
 127
 128         yaz_get_proposal_charneg (nmem, q->charneg_request,
 129                                   &charsets, &num_charsets,
 130                                   &langs, &num_langs, &selected);
 131
 132         for (i = 0; i < num_charsets; i++)
 133         {
 134             const char *right_name = "";
 135             /*
 136              * FIXME! It is like rudiment :-))
 137              * We have to support this short names of character sets,
 138              * because a lot servers in Russia to use own in during
 139              * character set and language negotiation still.
 140              */
 141
 142             if (!yaz_matchstr(charsets[i], "win")) {
 143                 right_name = "WINDOWS-1251";
 144             } else if (!yaz_matchstr(charsets[i], "koi")) {
 145                 right_name = "KOI8-R";
 146             } else if (!yaz_matchstr(charsets[i], "iso")) {
 147                 right_name = "ISO-8859-5";
 148             } else if (!yaz_matchstr(charsets[i], "dos")) {
 149                 right_name = "CP866";
 150             } else if (!yaz_matchstr(charsets[i], "uni")) {
 151                 right_name = "UTF-8";
 152             } else {
 153                 right_name = charsets[i];
 154             }
 155             if (odr_set_charset (q->decode, "UTF-8", right_name) == 0)
 156             {
 157                 yaz_log (YLOG_LOG, "charset %d %s (proper name %s): OK", i,
 158                          charsets[i], right_name);
 159                 odr_set_charset (q->stream, right_name, "UTF-8");
 160                 if (selected)
 161                     zebra_record_encoding(zh, right_name);
 162                 zebra_octet_term_encoding(zh, right_name);
 163                 q->charneg_response =
 164                     yaz_set_response_charneg (q->stream, charsets[i],
 165                                               0, selected);
 166                 break;
 167             } else {
 168                 yaz_log (YLOG_LOG, "charset %d %s (proper name %s): unsupported", i,
 169                          charsets[i], right_name);
 170             }
 171         }
 172         nmem_destroy(nmem);
 173     }
 174     return r;
 175 }
 176
 177 static void search_terms(ZebraHandle zh, bend_search_rr *r)
 178 {
 179     int no_terms;
 180     int i;
 181     int type = Z_Term_general;
 182     struct Z_External *ext;
 183     Z_SearchInfoReport *sr;
 184
 185     zebra_result_set_term_no(zh, r->setname, &no_terms);
 186     if (!no_terms)
 187         return;
 188
 189     r->search_info = odr_malloc (r->stream, sizeof(*r->search_info));
 190
 191     r->search_info->num_elements = 1;
 192     r->search_info->list =
 193         odr_malloc (r->stream, sizeof(*r->search_info->list));
 194     r->search_info->list[0] =
 195         odr_malloc (r->stream, sizeof(**r->search_info->list));
 196     r->search_info->list[0]->category = 0;
 197     r->search_info->list[0]->which = Z_OtherInfo_externallyDefinedInfo;
 198     ext = odr_malloc (r->stream, sizeof(*ext));
 199     r->search_info->list[0]->information.externallyDefinedInfo = ext;
 200     ext->direct_reference = odr_oiddup(r->stream,
 201                                        yaz_oid_userinfo_searchresult_1);
 202     ext->indirect_reference = 0;
 203     ext->descriptor = 0;
 204     ext->which = Z_External_searchResult1;
 205     sr = odr_malloc (r->stream, sizeof(Z_SearchInfoReport));
 206     ext->u.searchResult1 = sr;
 207     sr->num = no_terms;
 208     sr->elements = odr_malloc (r->stream, sr->num *
 209                                sizeof(*sr->elements));
 210     for (i = 0; i<no_terms; i++)
 211     {
 212         Z_SearchInfoReport_s *se;
 213         Z_Term *term;
 214         zint count;
 215         int approx;
 216         char outbuf[1024];
 217         size_t len = sizeof(outbuf);
 218         const char *term_ref_id = 0;
 219
 220         zebra_result_set_term_info(zh, r->setname, i,
 221                                    &count, &approx, outbuf, &len,
 222                                    &term_ref_id);
 223         se = sr->elements[i] = odr_malloc (r->stream, sizeof(**sr->elements));
 224         se->subqueryId = term_ref_id ?
 225             odr_strdup(r->stream, term_ref_id) : 0;
 226
 227         se->fullQuery = odr_intdup(r->stream, 0);
 228         se->subqueryExpression =
 229             odr_malloc (r->stream, sizeof(Z_QueryExpression));
 230         se->subqueryExpression->which =
 231             Z_QueryExpression_term;
 232         se->subqueryExpression->u.term =
 233             odr_malloc (r->stream, sizeof(Z_QueryExpressionTerm));
 234         term = odr_malloc (r->stream, sizeof(Z_Term));
 235         se->subqueryExpression->u.term->queryTerm = term;
 236         switch (type)
 237         {
 238         case Z_Term_characterString:
 239             term->which = Z_Term_characterString;
 240             term->u.characterString = odr_strdup (r->stream, outbuf);
 241             break;
 242         case Z_Term_general:
 243             term->which = Z_Term_general;
 244             term->u.general = odr_malloc (r->stream, sizeof(*term->u.general));
 245             term->u.general->size = term->u.general->len = len;
 246             term->u.general->buf = odr_malloc (r->stream, len);
 247             memcpy (term->u.general->buf, outbuf, len);
 248             break;
 249         default:
 250             term->which = Z_Term_general;
 251             term->u.null = odr_nullval();
 252         }
 253         se->subqueryExpression->u.term->termComment = 0;
 254         se->subqueryInterpretation = 0;
 255         se->subqueryRecommendation = 0;
 256         if (count > 2147483646)
 257             count = 2147483647;
 258         se->subqueryCount = odr_intdup(r->stream, CAST_ZINT_TO_INT(count));
 259         se->subqueryWeight = 0;
 260         se->resultsByDB = 0;
 261     }
 262 }
 263
 264
 265 static int break_handler(void *client_data)
 266 {
 267     bend_association assoc =(bend_association) client_data;
 268     if (!bend_assoc_is_alive(assoc))
 269         return 1;
 270     return 0;
 271 }
 272
 273 int bend_search(void *handle, bend_search_rr *r)
 274 {
 275     ZebraHandle zh = (ZebraHandle) handle;
 276     zint zhits = 0;
 277     ZEBRA_RES res;
 278
 279     res = zebra_select_databases (zh, r->num_bases,
 280                                   (const char **) r->basenames);
 281     if (res != ZEBRA_OK)
 282     {
 283         zebra_result (zh, &r->errcode, &r->errstring);
 284         return 0;
 285     }
 286     zebra_set_break_handler(zh, break_handler, r->association);
 287     yaz_log (YLOG_DEBUG, "ResultSet '%s'", r->setname);
 288     switch (r->query->which)
 289     {
 290     case Z_Query_type_1: case Z_Query_type_101:
 291         res = zebra_search_RPN_x(zh, r->stream, r->query->u.type_1,
 292                                  r->setname, &zhits,
 293                                  &r->estimated_hit_count,
 294                                  &r->partial_resultset);
 295         if (res != ZEBRA_OK)
 296             zebra_result(zh, &r->errcode, &r->errstring);
 297         else
 298         {
 299             if (zhits > 2147483646)
 300                 zhits = 2147483647;
 301             r->hits = CAST_ZINT_TO_INT(zhits);
 302             search_terms (zh, r);
 303         }
 304         break;
 305     case Z_Query_type_2:
 306         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 307         r->errstring = "type-2";
 308         break;
 309     default:
 310         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 311     }
 312     zebra_set_break_handler(zh, 0, 0);
 313     return 0;
 314 }
 315
 316
 317 int bend_fetch(void *handle, bend_fetch_rr *r)
 318 {
 319     ZebraHandle zh = (ZebraHandle) handle;
 320     ZebraRetrievalRecord retrievalRecord;
 321     ZEBRA_RES res;
 322
 323     retrievalRecord.position = r->number;
 324
 325     r->last_in_set = 0;
 326     res = zebra_records_retrieve (zh, r->stream, r->setname, r->comp,
 327                                   r->request_format, 1, &retrievalRecord);
 328     if (res != ZEBRA_OK)
 329     {
 330         /* non-surrogate diagnostic */
 331         zebra_result (zh, &r->errcode, &r->errstring);
 332     }
 333     else if (retrievalRecord.errCode)
 334     {
 335         /* surrogate diagnostic (diagnostic per record) */
 336         r->surrogate_flag = 1;
 337         r->errcode = retrievalRecord.errCode;
 338         r->errstring = retrievalRecord.errString;
 339         r->basename = retrievalRecord.base;
 340     }
 341     else
 342     {
 343         r->basename = retrievalRecord.base;
 344         r->record = retrievalRecord.buf;
 345         r->len = retrievalRecord.len;
 346         r->output_format = odr_oiddup(r->stream, retrievalRecord.format);
 347     }
 348     return 0;
 349 }
 350
 351 static int bend_scan (void *handle, bend_scan_rr *r)
 352 {
 353     ZebraScanEntry *entries;
 354     ZebraHandle zh = (ZebraHandle) handle;
 355     int is_partial, i;
 356     ZEBRA_RES res;
 357
 358     res = zebra_select_databases(zh, r->num_bases,
 359                                  (const char **) r->basenames);
 360     if (res != ZEBRA_OK)
 361     {
 362         zebra_result (zh, &r->errcode, &r->errstring);
 363         return 0;
 364     }
 365     if (r->step_size != 0 && *r->step_size != 0) {
 366         r->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 367         r->errstring = 0;
 368         return 0;
 369     }
 370     r->entries = (struct scan_entry *)
 371         odr_malloc (r->stream, sizeof(*r->entries) * r->num_entries);
 372     res = zebra_scan(zh, r->stream, r->term,
 373                      r->attributeset,
 374                      &r->term_position,
 375                      &r->num_entries, &entries, &is_partial,
 376                      0 /* setname */);
 377     if (res == ZEBRA_OK)
 378     {
 379         if (is_partial)
 380             r->status = BEND_SCAN_PARTIAL;
 381         else
 382             r->status = BEND_SCAN_SUCCESS;
 383         for (i = 0; i < r->num_entries; i++)
 384         {
 385             r->entries[i].term = entries[i].term;
 386             r->entries[i].occurrences =
 387                 CAST_ZINT_TO_INT(entries[i].occurrences);
 388         }
 389     }
 390     else
 391     {
 392         r->status = BEND_SCAN_PARTIAL;
 393         zebra_result(zh, &r->errcode, &r->errstring);
 394     }
 395     return 0;
 396 }
 397
 398 void bend_close (void *handle)
 399 {
 400     zebra_close ((ZebraHandle) handle);
 401     xmalloc_trav("bend_close");
 402 }
 403
 404 int bend_sort (void *handle, bend_sort_rr *rr)
 405 {
 406     ZebraHandle zh = (ZebraHandle) handle;
 407
 408     if (zebra_sort (zh, rr->stream,
 409                     rr->num_input_setnames, (const char **) rr->input_setnames,
 410                     rr->output_setname, rr->sort_sequence, &rr->sort_status)
 411         != ZEBRA_OK)
 412         zebra_result (zh, &rr->errcode, &rr->errstring);
 413     return 0;
 414 }
 415
 416 int bend_delete (void *handle, bend_delete_rr *rr)
 417 {
 418     ZebraHandle zh = (ZebraHandle) handle;
 419
 420     rr->delete_status = zebra_deleteResultSet(zh, rr->function,
 421                                               rr->num_setnames, rr->setnames,
 422                                               rr->statuses);
 423     return 0;
 424 }
 425
 426 static void es_admin_request (bend_esrequest_rr *rr, ZebraHandle zh, Z_AdminEsRequest *r)
 427 {
 428     ZEBRA_RES res = ZEBRA_OK;
 429     if (r->toKeep->databaseName)
 430     {
 431         yaz_log(YLOG_LOG, "adm request database %s", r->toKeep->databaseName);
 432     }
 433     switch (r->toKeep->which)
 434     {
 435     case Z_ESAdminOriginPartToKeep_reIndex:
 436         yaz_log(YLOG_LOG, "adm-reindex");
 437         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 438         rr->errstring = "adm-reindex not implemented yet";
 439         break;
 440     case Z_ESAdminOriginPartToKeep_truncate:
 441         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 442         rr->errstring = "adm-reindex not implemented yet";
 443         yaz_log(YLOG_LOG, "adm-truncate");
 444         break;
 445     case Z_ESAdminOriginPartToKeep_drop:
 446         yaz_log(YLOG_LOG, "adm-drop");
 447         res = zebra_drop_database (zh, r->toKeep->databaseName);
 448         break;
 449     case Z_ESAdminOriginPartToKeep_create:
 450         yaz_log(YLOG_LOG, "adm-create %s", r->toKeep->databaseName);
 451         res = zebra_create_database (zh, r->toKeep->databaseName);
 452         break;
 453     case Z_ESAdminOriginPartToKeep_import:
 454         yaz_log(YLOG_LOG, "adm-import");
 455         res = zebra_admin_import_begin (zh, r->toKeep->databaseName,
 456                                         r->toKeep->u.import->recordType);
 457         break;
 458     case Z_ESAdminOriginPartToKeep_refresh:
 459         yaz_log(YLOG_LOG, "adm-refresh");
 460         break;
 461     case Z_ESAdminOriginPartToKeep_commit:
 462         yaz_log(YLOG_LOG, "adm-commit");
 463         if (r->toKeep->databaseName)
 464         {
 465             if (zebra_select_database(zh, r->toKeep->databaseName) !=
 466                 ZEBRA_OK)
 467                 yaz_log(YLOG_WARN, "zebra_select_database failed in "
 468                         "adm-commit");
 469         }
 470         zebra_commit(zh);
 471         break;
 472     case Z_ESAdminOriginPartToKeep_shutdown:
 473         yaz_log(YLOG_LOG, "shutdown");
 474         res = zebra_admin_shutdown(zh);
 475         break;
 476     case Z_ESAdminOriginPartToKeep_start:
 477         yaz_log(YLOG_LOG, "start");
 478         zebra_admin_start(zh);
 479         break;
 480     default:
 481         yaz_log(YLOG_LOG, "unknown admin");
 482         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 483         rr->errstring = "adm-reindex not implemented yet";
 484     }
 485     if (res != ZEBRA_OK)
 486         zebra_result(zh, &rr->errcode, &rr->errstring);
 487 }
 488
 489 static void es_admin (bend_esrequest_rr *rr, ZebraHandle zh, Z_Admin *r)
 490 {
 491     switch (r->which)
 492     {
 493     case Z_Admin_esRequest:
 494         es_admin_request (rr, zh, r->u.esRequest);
 495         return;
 496     default:
 497         break;
 498     }
 499         yaz_log (YLOG_WARN, "adm taskpackage (unhandled)");
 500     rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 501     rr->errstring = "adm-task package (unhandled)";
 502 }
 503
 504 int bend_segment (void *handle, bend_segment_rr *rr)
 505 {
 506     ZebraHandle zh = (ZebraHandle) handle;
 507     Z_Segment *segment = rr->segment;
 508
 509     if (segment->num_segmentRecords)
 510         zebra_admin_import_segment (zh, rr->segment);
 511     else
 512         zebra_admin_import_end (zh);
 513     return 0;
 514 }
 515
 516 int bend_esrequest (void *handle, bend_esrequest_rr *rr)
 517 {
 518     ZebraHandle zh = (ZebraHandle) handle;
 519
 520     yaz_log(YLOG_LOG, "function: %d", *rr->esr->function);
 521     if (rr->esr->packageName)
 522         yaz_log(YLOG_LOG, "packagename: %s", rr->esr->packageName);
 523     yaz_log(YLOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 524
 525     if (!rr->esr->taskSpecificParameters)
 526     {
 527         yaz_log (YLOG_WARN, "No task specific parameters");
 528     }
 529     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 530     {
 531         es_admin(rr, zh, rr->esr->taskSpecificParameters->u.adminService);
 532     }
 533     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 534     {
 535         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 536         yaz_log (YLOG_LOG, "Received DB Update");
 537         if (up->which == Z_IUUpdate_esRequest)
 538         {
 539             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 540             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 541             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 542
 543             yaz_log (YLOG_LOG, "action");
 544             if (toKeep->action)
 545             {
 546                 switch (*toKeep->action)
 547                 {
 548                 case Z_IUOriginPartToKeep_recordInsert:
 549                     yaz_log (YLOG_LOG, "recordInsert");
 550                     break;
 551                 case Z_IUOriginPartToKeep_recordReplace:
 552                     yaz_log (YLOG_LOG, "recordUpdate");
 553                     break;
 554                 case Z_IUOriginPartToKeep_recordDelete:
 555                     yaz_log (YLOG_LOG, "recordDelete");
 556                     break;
 557                 case Z_IUOriginPartToKeep_elementUpdate:
 558                     yaz_log (YLOG_LOG, "elementUpdate");
 559                     break;
 560                 case Z_IUOriginPartToKeep_specialUpdate:
 561                     yaz_log (YLOG_LOG, "specialUpdate");
 562                     break;
 563                 case Z_ESAdminOriginPartToKeep_shutdown:
 564                     yaz_log (YLOG_LOG, "shutDown");
 565                     break;
 566                 case Z_ESAdminOriginPartToKeep_start:
 567                     yaz_log (YLOG_LOG, "start");
 568                     break;
 569                 default:
 570                     yaz_log (YLOG_LOG, " unknown (%d)", *toKeep->action);
 571                 }
 572             }
 573             if (toKeep->databaseName)
 574             {
 575                 yaz_log (YLOG_LOG, "database: %s", toKeep->databaseName);
 576
 577                 if (zebra_select_database(zh, toKeep->databaseName))
 578                     return 0;
 579             }
 580             else
 581             {
 582                 yaz_log (YLOG_WARN, "no database supplied for ES Update");
 583                 rr->errcode =
 584                     YAZ_BIB1_ES_MISSING_MANDATORY_PARAMETER_FOR_SPECIFIED_FUNCTION_;
 585                 rr->errstring = "database";
 586                 return 0;
 587             }
 588             if (zebra_begin_trans(zh, 1) != ZEBRA_OK)
 589             {
 590                 zebra_result(zh, &rr->errcode, &rr->errstring);
 591             }
 592             else
 593             {
 594                 int i;
 595                 for (i = 0; notToKeep && i < notToKeep->num; i++)
 596                 {
 597                     Z_External *rec = notToKeep->elements[i]->record;
 598                     Odr_oct *opaque_recid = 0;
 599                     zint *sysno = 0;
 600                     zint sysno_tmp;
 601
 602                     if (notToKeep->elements[i]->u.opaque)
 603                     {
 604                         switch(notToKeep->elements[i]->which)
 605                         {
 606                         case Z_IUSuppliedRecords_elem_opaque:
 607                             opaque_recid = notToKeep->elements[i]->u.opaque;
 608                             break; /* OK, recid already set */
 609                         case Z_IUSuppliedRecords_elem_number:
 610                             sysno_tmp = *notToKeep->elements[i]->u.number;
 611                             sysno = &sysno_tmp;
 612                             break;
 613                         }
 614                     }
 615                     if (rec->direct_reference)
 616                     {
 617                         char oid_name_str[OID_STR_MAX];
 618                         const char *oid_name =
 619                             yaz_oid_to_string_buf(
 620                                 rec->direct_reference,
 621                                 0, oid_name_str);
 622                         if (oid_name)
 623                             yaz_log (YLOG_LOG, "record %d type %s", i,
 624                                      oid_name);
 625                     }
 626                     switch (rec->which)
 627                     {
 628                     case Z_External_sutrs:
 629                         if (rec->u.octet_aligned->len > 170)
 630                             yaz_log (YLOG_LOG, "%d bytes:\n%.168s ...",
 631                                      rec->u.sutrs->len,
 632                                      rec->u.sutrs->buf);
 633                         else
 634                             yaz_log (YLOG_LOG, "%d bytes:\n%s",
 635                                      rec->u.sutrs->len,
 636                                      rec->u.sutrs->buf);
 637                         break;
 638                     case Z_External_octet:
 639                         if (rec->u.octet_aligned->len > 170)
 640                             yaz_log (YLOG_LOG, "%d bytes:\n%.168s ...",
 641                                      rec->u.octet_aligned->len,
 642                                      rec->u.octet_aligned->buf);
 643                         else
 644                             yaz_log (YLOG_LOG, "%d bytes\n%s",
 645                                      rec->u.octet_aligned->len,
 646                                      rec->u.octet_aligned->buf);
 647                     }
 648                     if (rec->which == Z_External_octet)
 649                     {
 650                         enum zebra_recctrl_action_t action = action_update;
 651                         char recid_str[256];
 652                         const char *match_criteria = 0;
 653                         ZEBRA_RES res;
 654
 655                         if (*toKeep->action ==
 656                             Z_IUOriginPartToKeep_recordInsert)
 657                             action = action_insert;
 658                         else if (*toKeep->action ==
 659                             Z_IUOriginPartToKeep_recordReplace)
 660                             action = action_replace;
 661                         else if (*toKeep->action ==
 662                             Z_IUOriginPartToKeep_recordDelete)
 663                             action = action_delete;
 664                         else if (*toKeep->action ==
 665                             Z_IUOriginPartToKeep_specialUpdate)
 666                             action = action_update;
 667                         else
 668                         {
 669                             rr->errcode =
 670                                 YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 671                             rr->errstring = "unsupported ES Update action";
 672                             break;
 673                         }
 674
 675                         if (opaque_recid)
 676                         {
 677                             size_t l = opaque_recid->len;
 678                             if (l >= sizeof(recid_str))
 679                             {
 680                                 rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 681                                 rr->errstring = "opaque record ID too large";
 682                                 break;
 683                             }
 684                             memcpy(recid_str, opaque_recid->buf, l);
 685                             recid_str[l] = '\0';
 686                             match_criteria = recid_str;
 687                         }
 688                         res = zebra_update_record(
 689                             zh, action,
 690                             0, /* recordType */
 691                             sysno, match_criteria, 0, /* fname */
 692                             (const char *) rec->u.octet_aligned->buf,
 693                             rec->u.octet_aligned->len);
 694                         if (res == ZEBRA_FAIL)
 695                         {
 696                             rr->errcode =
 697                                 YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 698                             rr->errstring = "update_record failed";
 699                         }
 700                     }
 701                 }
 702                 if (zebra_end_trans (zh) != ZEBRA_OK)
 703                 {
 704                     yaz_log(YLOG_WARN, "zebra_end_trans failed for"
 705                             " extended service operation");
 706                 }
 707             }
 708         }
 709     }
 710     else
 711     {
 712         yaz_log (YLOG_WARN, "Unknown Extended Service(%d)",
 713                  rr->esr->taskSpecificParameters->which);
 714         rr->errcode = YAZ_BIB1_ES_EXTENDED_SERVICE_TYPE_UNSUPP;
 715
 716     }
 717     return 0;
 718 }
 719
 720 static void bend_start (struct statserv_options_block *sob)
 721 {
 722     Res default_res = res_open(0, 0);
 723
 724     if (sob->handle)
 725         zebra_stop((ZebraService) sob->handle);
 726     res_set(default_res, "profilePath", DEFAULT_PROFILE_PATH);
 727     res_set(default_res, "modulePath", DEFAULT_MODULE_PATH);
 728     sob->handle = zebra_start_res(sob->configname, default_res, 0);
 729     res_close(default_res);
 730     if (!sob->handle)
 731     {
 732         yaz_log (YLOG_FATAL, "Failed to read config `%s'", sob->configname);
 733         exit (1);
 734     }
 735 #ifdef WIN32
 736
 737 #else
 738     if (!sob->inetd)
 739     {
 740         char pidfname[4096];
 741         struct flock area;
 742         int fd;
 743
 744         zebra_pidfname(sob->handle, pidfname);
 745
 746         fd = open (pidfname, O_EXCL|O_WRONLY|O_CREAT, 0666);
 747         if (fd == -1)
 748         {
 749             if (errno != EEXIST)
 750             {
 751                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 752                 exit(1);
 753             }
 754             fd = open(pidfname, O_RDWR, 0666);
 755             if (fd == -1)
 756             {
 757                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 758                 exit(1);
 759             }
 760         }
 761         area.l_type = F_WRLCK;
 762         area.l_whence = SEEK_SET;
 763         area.l_len = area.l_start = 0L;
 764         if (fcntl (fd, F_SETLK, &area) == -1)
 765         {
 766             yaz_log(YLOG_ERRNO|YLOG_FATAL, "Zebra server already running");
 767             exit(1);
 768         }
 769         else
 770         {
 771             char pidstr[30];
 772
 773             sprintf (pidstr, "%ld", (long) getpid ());
 774             write (fd, pidstr, strlen(pidstr));
 775         }
 776     }
 777 #endif
 778 }
 779
 780 static void bend_stop(struct statserv_options_block *sob)
 781 {
 782 #ifdef WIN32
 783
 784 #else
 785     if (!sob->inetd && sob->handle)
 786     {
 787         char pidfname[4096];
 788         zebra_pidfname(sob->handle, pidfname);
 789         unlink (pidfname);
 790     }
 791 #endif
 792     if (sob->handle)
 793     {
 794         ZebraService service = sob->handle;
 795         zebra_stop(service);
 796     }
 797 }
 798
 799 int main (int argc, char **argv)
 800 {
 801     struct statserv_options_block *sob;
 802
 803     sob = statserv_getcontrol ();
 804     strcpy (sob->configname, "zebra.cfg");
 805     sob->bend_start = bend_start;
 806     sob->bend_stop = bend_stop;
 807 #ifdef WIN32
 808     strcpy (sob->service_display_name, "Zebra Server");
 809 #endif
 810     statserv_setcontrol (sob);
 811
 812     return statserv_main (argc, argv, bend_init, bend_close);
 813 }
 814 /*
 815  * Local variables:
 816  * c-basic-offset: 4
 817  * indent-tabs-mode: nil
 818  * End:
 819  * vim: shiftwidth=4 tabstop=8 expandtab
 820  */
 821