index/zebrasrv.c

   1 /* $Id: zebrasrv.c,v 1.4 2007-01-15 13:01:26 adam Exp $
   2    Copyright (C) 1995-2006
   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 =
 201         yaz_oidval_to_z3950oid (r->stream, CLASS_USERINFO, VAL_SEARCHRES1);
 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 int bend_search(void *handle, bend_search_rr *r)
 265 {
 266     ZebraHandle zh = (ZebraHandle) handle;
 267     zint zhits = 0;
 268     ZEBRA_RES res;
 269
 270     res = zebra_select_databases (zh, r->num_bases,
 271                                   (const char **) r->basenames);
 272     if (res != ZEBRA_OK)
 273     {
 274         zebra_result (zh, &r->errcode, &r->errstring);
 275         return 0;
 276     }
 277     yaz_log (YLOG_DEBUG, "ResultSet '%s'", r->setname);
 278     switch (r->query->which)
 279     {
 280     case Z_Query_type_1: case Z_Query_type_101:
 281         res = zebra_search_RPN(zh, r->stream, r->query->u.type_1,
 282                                r->setname, &zhits);
 283         if (res != ZEBRA_OK)
 284             zebra_result(zh, &r->errcode, &r->errstring);
 285         else
 286         {
 287             if (zhits > 2147483646)
 288                 zhits = 2147483647;
 289             r->hits = CAST_ZINT_TO_INT(zhits);
 290             search_terms (zh, r);
 291         }
 292         break;
 293     case Z_Query_type_2:
 294         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 295         r->errstring = "type-2";
 296         break;
 297     default:
 298         r->errcode = YAZ_BIB1_QUERY_TYPE_UNSUPP;
 299     }
 300     return 0;
 301 }
 302
 303
 304 int bend_fetch (void *handle, bend_fetch_rr *r)
 305 {
 306     ZebraHandle zh = (ZebraHandle) handle;
 307     ZebraRetrievalRecord retrievalRecord;
 308     ZEBRA_RES res;
 309
 310     retrievalRecord.position = r->number;
 311
 312     r->last_in_set = 0;
 313     res = zebra_records_retrieve (zh, r->stream, r->setname, r->comp,
 314                                   r->request_format, 1, &retrievalRecord);
 315     if (res != ZEBRA_OK)
 316     {
 317         /* non-surrogate diagnostic */
 318         zebra_result (zh, &r->errcode, &r->errstring);
 319     }
 320     else if (retrievalRecord.errCode)
 321     {
 322         /* surrogate diagnostic (diagnostic per record) */
 323         r->surrogate_flag = 1;
 324         r->errcode = retrievalRecord.errCode;
 325         r->errstring = retrievalRecord.errString;
 326         r->basename = retrievalRecord.base;
 327     }
 328     else
 329     {
 330         r->basename = retrievalRecord.base;
 331         r->record = retrievalRecord.buf;
 332         r->len = retrievalRecord.len;
 333         r->output_format = retrievalRecord.format;
 334     }
 335     return 0;
 336 }
 337
 338 static int bend_scan (void *handle, bend_scan_rr *r)
 339 {
 340     ZebraScanEntry *entries;
 341     ZebraHandle zh = (ZebraHandle) handle;
 342     int is_partial, i;
 343     ZEBRA_RES res;
 344
 345     res = zebra_select_databases(zh, r->num_bases,
 346                                  (const char **) r->basenames);
 347     if (res != ZEBRA_OK)
 348     {
 349         zebra_result (zh, &r->errcode, &r->errstring);
 350         return 0;
 351     }
 352     if (r->step_size != 0 && *r->step_size != 0) {
 353         r->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 354         r->errstring = 0;
 355         return 0;
 356     }
 357     r->entries = (struct scan_entry *)
 358         odr_malloc (r->stream, sizeof(*r->entries) * r->num_entries);
 359     res = zebra_scan(zh, r->stream, r->term,
 360                      r->attributeset,
 361                      &r->term_position,
 362                      &r->num_entries, &entries, &is_partial,
 363                      0 /* setname */);
 364     if (res == ZEBRA_OK)
 365     {
 366         if (is_partial)
 367             r->status = BEND_SCAN_PARTIAL;
 368         else
 369             r->status = BEND_SCAN_SUCCESS;
 370         for (i = 0; i < r->num_entries; i++)
 371         {
 372             r->entries[i].term = entries[i].term;
 373             r->entries[i].occurrences =
 374                 CAST_ZINT_TO_INT(entries[i].occurrences);
 375         }
 376     }
 377     else
 378     {
 379         r->status = BEND_SCAN_PARTIAL;
 380         zebra_result(zh, &r->errcode, &r->errstring);
 381     }
 382     return 0;
 383 }
 384
 385 void bend_close (void *handle)
 386 {
 387     zebra_close ((ZebraHandle) handle);
 388     xmalloc_trav("bend_close");
 389     nmem_print_list();
 390 }
 391
 392 int bend_sort (void *handle, bend_sort_rr *rr)
 393 {
 394     ZebraHandle zh = (ZebraHandle) handle;
 395
 396     if (zebra_sort (zh, rr->stream,
 397                     rr->num_input_setnames, (const char **) rr->input_setnames,
 398                     rr->output_setname, rr->sort_sequence, &rr->sort_status)
 399         != ZEBRA_OK)
 400         zebra_result (zh, &rr->errcode, &rr->errstring);
 401     return 0;
 402 }
 403
 404 int bend_delete (void *handle, bend_delete_rr *rr)
 405 {
 406     ZebraHandle zh = (ZebraHandle) handle;
 407
 408     rr->delete_status = zebra_deleteResultSet(zh, rr->function,
 409                                               rr->num_setnames, rr->setnames,
 410                                               rr->statuses);
 411     return 0;
 412 }
 413
 414 static void es_admin_request (bend_esrequest_rr *rr, ZebraHandle zh, Z_AdminEsRequest *r)
 415 {
 416     ZEBRA_RES res = ZEBRA_OK;
 417     if (r->toKeep->databaseName)
 418     {
 419         yaz_log(YLOG_LOG, "adm request database %s", r->toKeep->databaseName);
 420     }
 421     switch (r->toKeep->which)
 422     {
 423     case Z_ESAdminOriginPartToKeep_reIndex:
 424         yaz_log(YLOG_LOG, "adm-reindex");
 425         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 426         rr->errstring = "adm-reindex not implemented yet";
 427         break;
 428     case Z_ESAdminOriginPartToKeep_truncate:
 429         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 430         rr->errstring = "adm-reindex not implemented yet";
 431         yaz_log(YLOG_LOG, "adm-truncate");
 432         break;
 433     case Z_ESAdminOriginPartToKeep_drop:
 434         yaz_log(YLOG_LOG, "adm-drop");
 435         res = zebra_drop_database (zh, r->toKeep->databaseName);
 436         break;
 437     case Z_ESAdminOriginPartToKeep_create:
 438         yaz_log(YLOG_LOG, "adm-create %s", r->toKeep->databaseName);
 439         res = zebra_create_database (zh, r->toKeep->databaseName);
 440         break;
 441     case Z_ESAdminOriginPartToKeep_import:
 442         yaz_log(YLOG_LOG, "adm-import");
 443         res = zebra_admin_import_begin (zh, r->toKeep->databaseName,
 444                                         r->toKeep->u.import->recordType);
 445         break;
 446     case Z_ESAdminOriginPartToKeep_refresh:
 447         yaz_log(YLOG_LOG, "adm-refresh");
 448         break;
 449     case Z_ESAdminOriginPartToKeep_commit:
 450         yaz_log(YLOG_LOG, "adm-commit");
 451         if (r->toKeep->databaseName)
 452         {
 453             if (zebra_select_database(zh, r->toKeep->databaseName) !=
 454                 ZEBRA_OK)
 455                 yaz_log(YLOG_WARN, "zebra_select_database failed in "
 456                         "adm-commit");
 457         }
 458         zebra_commit(zh);
 459         break;
 460     case Z_ESAdminOriginPartToKeep_shutdown:
 461         yaz_log(YLOG_LOG, "shutdown");
 462         res = zebra_admin_shutdown(zh);
 463         break;
 464     case Z_ESAdminOriginPartToKeep_start:
 465         yaz_log(YLOG_LOG, "start");
 466         zebra_admin_start(zh);
 467         break;
 468     default:
 469         yaz_log(YLOG_LOG, "unknown admin");
 470         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 471         rr->errstring = "adm-reindex not implemented yet";
 472     }
 473     if (res != ZEBRA_OK)
 474         zebra_result(zh, &rr->errcode, &rr->errstring);
 475 }
 476
 477 static void es_admin (bend_esrequest_rr *rr, ZebraHandle zh, Z_Admin *r)
 478 {
 479     switch (r->which)
 480     {
 481     case Z_Admin_esRequest:
 482         es_admin_request (rr, zh, r->u.esRequest);
 483         return;
 484     default:
 485         break;
 486     }
 487         yaz_log (YLOG_WARN, "adm taskpackage (unhandled)");
 488     rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 489     rr->errstring = "adm-task package (unhandled)";
 490 }
 491
 492 int bend_segment (void *handle, bend_segment_rr *rr)
 493 {
 494     ZebraHandle zh = (ZebraHandle) handle;
 495     Z_Segment *segment = rr->segment;
 496
 497     if (segment->num_segmentRecords)
 498         zebra_admin_import_segment (zh, rr->segment);
 499     else
 500         zebra_admin_import_end (zh);
 501     return 0;
 502 }
 503
 504 int bend_esrequest (void *handle, bend_esrequest_rr *rr)
 505 {
 506     ZebraHandle zh = (ZebraHandle) handle;
 507
 508     yaz_log(YLOG_LOG, "function: %d", *rr->esr->function);
 509     if (rr->esr->packageName)
 510         yaz_log(YLOG_LOG, "packagename: %s", rr->esr->packageName);
 511     yaz_log(YLOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 512
 513     if (!rr->esr->taskSpecificParameters)
 514     {
 515         yaz_log (YLOG_WARN, "No task specific parameters");
 516     }
 517     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 518     {
 519         es_admin(rr, zh, rr->esr->taskSpecificParameters->u.adminService);
 520     }
 521     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 522     {
 523         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 524         yaz_log (YLOG_LOG, "Received DB Update");
 525         if (up->which == Z_IUUpdate_esRequest)
 526         {
 527             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 528             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 529             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 530
 531             yaz_log (YLOG_LOG, "action");
 532             if (toKeep->action)
 533             {
 534                 switch (*toKeep->action)
 535                 {
 536                 case Z_IUOriginPartToKeep_recordInsert:
 537                     yaz_log (YLOG_LOG, "recordInsert");
 538                     break;
 539                 case Z_IUOriginPartToKeep_recordReplace:
 540                     yaz_log (YLOG_LOG, "recordUpdate");
 541                     break;
 542                 case Z_IUOriginPartToKeep_recordDelete:
 543                     yaz_log (YLOG_LOG, "recordDelete");
 544                     break;
 545                 case Z_IUOriginPartToKeep_elementUpdate:
 546                     yaz_log (YLOG_LOG, "elementUpdate");
 547                     break;
 548                 case Z_IUOriginPartToKeep_specialUpdate:
 549                     yaz_log (YLOG_LOG, "specialUpdate");
 550                     break;
 551                 case Z_ESAdminOriginPartToKeep_shutdown:
 552                     yaz_log (YLOG_LOG, "shutDown");
 553                     break;
 554                 case Z_ESAdminOriginPartToKeep_start:
 555                     yaz_log (YLOG_LOG, "start");
 556                     break;
 557                 default:
 558                     yaz_log (YLOG_LOG, " unknown (%d)", *toKeep->action);
 559                 }
 560             }
 561             if (toKeep->databaseName)
 562             {
 563                 yaz_log (YLOG_LOG, "database: %s", toKeep->databaseName);
 564
 565                 if (zebra_select_database(zh, toKeep->databaseName))
 566                     return 0;
 567             }
 568             else
 569             {
 570                 yaz_log (YLOG_WARN, "no database supplied for ES Update");
 571                 rr->errcode =
 572                     YAZ_BIB1_ES_MISSING_MANDATORY_PARAMETER_FOR_SPECIFIED_FUNCTION_;
 573                 rr->errstring = "database";
 574                 return 0;
 575             }
 576             if (zebra_begin_trans(zh, 1) != ZEBRA_OK)
 577             {
 578                 zebra_result(zh, &rr->errcode, &rr->errstring);
 579             }
 580             else
 581             {
 582                 int i;
 583                 for (i = 0; notToKeep && i < notToKeep->num; i++)
 584                 {
 585                     Z_External *rec = notToKeep->elements[i]->record;
 586                     struct oident *oident = 0;
 587                     Odr_oct *opaque_recid = 0;
 588                     zint *sysno = 0;
 589                     zint sysno_tmp;
 590
 591                     if (notToKeep->elements[i]->u.opaque)
 592                     {
 593                         switch(notToKeep->elements[i]->which)
 594                         {
 595                         case Z_IUSuppliedRecords_elem_opaque:
 596                             opaque_recid = notToKeep->elements[i]->u.opaque;
 597                             break; /* OK, recid already set */
 598                         case Z_IUSuppliedRecords_elem_number:
 599                             sysno_tmp = *notToKeep->elements[i]->u.number;
 600                             sysno = &sysno_tmp;
 601                             break;
 602                         }
 603                     }
 604                     if (rec->direct_reference)
 605                     {
 606                         oident = oid_getentbyoid(rec->direct_reference);
 607                         if (oident)
 608                             yaz_log (YLOG_LOG, "record %d type %s", i,
 609                                      oident->desc);
 610                     }
 611                     switch (rec->which)
 612                     {
 613                     case Z_External_sutrs:
 614                         if (rec->u.octet_aligned->len > 170)
 615                             yaz_log (YLOG_LOG, "%d bytes:\n%.168s ...",
 616                                      rec->u.sutrs->len,
 617                                      rec->u.sutrs->buf);
 618                         else
 619                             yaz_log (YLOG_LOG, "%d bytes:\n%s",
 620                                      rec->u.sutrs->len,
 621                                      rec->u.sutrs->buf);
 622                         break;
 623                     case Z_External_octet:
 624                         if (rec->u.octet_aligned->len > 170)
 625                             yaz_log (YLOG_LOG, "%d bytes:\n%.168s ...",
 626                                      rec->u.octet_aligned->len,
 627                                      rec->u.octet_aligned->buf);
 628                         else
 629                             yaz_log (YLOG_LOG, "%d bytes\n%s",
 630                                      rec->u.octet_aligned->len,
 631                                      rec->u.octet_aligned->buf);
 632                     }
 633                     if (oident && oident->value != VAL_TEXT_XML
 634                         && oident->value != VAL_SUTRS)
 635                     {
 636                         rr->errcode = YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 637                         rr->errstring = "only XML update supported";
 638                         break;
 639                     }
 640                     if (rec->which == Z_External_octet)
 641                     {
 642                         int action = 0;
 643
 644                         if (*toKeep->action ==
 645                             Z_IUOriginPartToKeep_recordInsert)
 646                             action = 1;
 647                         if (*toKeep->action ==
 648                             Z_IUOriginPartToKeep_recordReplace)
 649                             action = 2;
 650                         if (*toKeep->action ==
 651                             Z_IUOriginPartToKeep_recordDelete)
 652                             action = 3;
 653                         if (*toKeep->action ==
 654                             Z_IUOriginPartToKeep_specialUpdate)
 655                             action = 4;
 656
 657                         if (!action)
 658                         {
 659                             rr->errcode =
 660                                 YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 661                             rr->errstring = "unsupported ES Update action";
 662                             break;
 663                         }
 664                         else if (opaque_recid)
 665                         {
 666                             int r = zebra_admin_exchange_record (
 667                                 zh,
 668                                 (const char *) rec->u.octet_aligned->buf,
 669                                 rec->u.octet_aligned->len,
 670                                 (const char *) opaque_recid->buf,
 671                                 opaque_recid->len,
 672                                 action);
 673                             if (r)
 674                             {
 675                                 zebra_result(zh, &rr->errcode,
 676                                              &rr->errstring);
 677                                 break;
 678                             }
 679                         }
 680                         else
 681                         {
 682                             ZEBRA_RES r = ZEBRA_FAIL;
 683                             switch(action) {
 684                             case 1:
 685                                 r = zebra_insert_record(
 686                                     zh,
 687                                     0, /* recordType */
 688                                     sysno,
 689                                     0, /* match */
 690                                     0, /* fname */
 691                                     (const char *) rec->u.octet_aligned->buf,
 692                                     rec->u.octet_aligned->len,
 693                                     0);
 694                                 if (r == ZEBRA_FAIL)
 695                                 {
 696                                     rr->errcode =
 697                                         YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 698                                     rr->errstring = "insert_record failed";
 699                                 }
 700                                 break;
 701                             case 2:
 702                             case 4:
 703                                 r = zebra_update_record(
 704                                     zh,
 705                                     0, /* recordType */
 706                                     sysno,
 707                                     0, /* match */
 708                                     0, /* fname */
 709                                     (const char *) rec->u.octet_aligned->buf,
 710                                     rec->u.octet_aligned->len,
 711                                     1);
 712                                 if (r == ZEBRA_FAIL)
 713                                 {
 714                                     rr->errcode =
 715                                         YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 716                                     rr->errstring = "update_record failed";
 717                                 }
 718                                 break;
 719                             case 3:
 720                                 r = zebra_delete_record(
 721                                     zh,
 722                                     0, /* recordType */
 723                                     sysno,
 724                                     0, /* match */
 725                                     0, /* fname */
 726                                     (const char *) rec->u.octet_aligned->buf,
 727                                     rec->u.octet_aligned->len,
 728                                     0);
 729                                 if (r == ZEBRA_FAIL)
 730                                 {
 731                                     rr->errcode =
 732                                         YAZ_BIB1_ES_IMMEDIATE_EXECUTION_FAILED;
 733                                     rr->errstring = "delete_record failed";
 734                                 }
 735                                 break;
 736                             }
 737                         }
 738                     }
 739                 }
 740                 if (zebra_end_trans (zh) != ZEBRA_OK)
 741                 {
 742                     yaz_log(YLOG_WARN, "zebra_end_trans failed for"
 743                             " extended service operation");
 744                 }
 745             }
 746         }
 747     }
 748     else
 749     {
 750         yaz_log (YLOG_WARN, "Unknown Extended Service(%d)",
 751                  rr->esr->taskSpecificParameters->which);
 752         rr->errcode = YAZ_BIB1_ES_EXTENDED_SERVICE_TYPE_UNSUPP;
 753
 754     }
 755     return 0;
 756 }
 757
 758 static void bend_start (struct statserv_options_block *sob)
 759 {
 760     Res default_res = res_open(0, 0);
 761
 762     if (sob->handle)
 763         zebra_stop((ZebraService) sob->handle);
 764     res_set(default_res, "profilePath", DEFAULT_PROFILE_PATH);
 765     res_set(default_res, "modulePath", DEFAULT_MODULE_PATH);
 766     sob->handle = zebra_start(sob->configname);
 767     res_close(default_res);
 768     if (!sob->handle)
 769     {
 770         yaz_log (YLOG_FATAL, "Failed to read config `%s'", sob->configname);
 771         exit (1);
 772     }
 773 #ifdef WIN32
 774
 775 #else
 776     if (!sob->inetd)
 777     {
 778         char pidfname[4096];
 779         struct flock area;
 780         int fd;
 781
 782         zebra_pidfname(sob->handle, pidfname);
 783
 784         fd = open (pidfname, O_EXCL|O_WRONLY|O_CREAT, 0666);
 785         if (fd == -1)
 786         {
 787             if (errno != EEXIST)
 788             {
 789                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 790                 exit(1);
 791             }
 792             fd = open(pidfname, O_RDWR, 0666);
 793             if (fd == -1)
 794             {
 795                 yaz_log(YLOG_FATAL|YLOG_ERRNO, "lock file %s", pidfname);
 796                 exit(1);
 797             }
 798         }
 799         area.l_type = F_WRLCK;
 800         area.l_whence = SEEK_SET;
 801         area.l_len = area.l_start = 0L;
 802         if (fcntl (fd, F_SETLK, &area) == -1)
 803         {
 804             yaz_log(YLOG_ERRNO|YLOG_FATAL, "Zebra server already running");
 805             exit(1);
 806         }
 807         else
 808         {
 809             char pidstr[30];
 810
 811             sprintf (pidstr, "%ld", (long) getpid ());
 812             write (fd, pidstr, strlen(pidstr));
 813         }
 814     }
 815 #endif
 816 }
 817
 818 static void bend_stop(struct statserv_options_block *sob)
 819 {
 820 #ifdef WIN32
 821
 822 #else
 823     if (!sob->inetd && sob->handle)
 824     {
 825         char pidfname[4096];
 826         zebra_pidfname(sob->handle, pidfname);
 827         unlink (pidfname);
 828     }
 829 #endif
 830     if (sob->handle)
 831     {
 832         ZebraService service = sob->handle;
 833         zebra_stop(service);
 834     }
 835 }
 836
 837 int main (int argc, char **argv)
 838 {
 839     struct statserv_options_block *sob;
 840
 841     sob = statserv_getcontrol ();
 842     strcpy (sob->configname, "zebra.cfg");
 843     sob->bend_start = bend_start;
 844     sob->bend_stop = bend_stop;
 845 #ifdef WIN32
 846     strcpy (sob->service_display_name, "Zebra Server");
 847 #endif
 848     statserv_setcontrol (sob);
 849
 850     return statserv_main (argc, argv, bend_init, bend_close);
 851 }
 852 /*
 853  * Local variables:
 854  * c-basic-offset: 4
 855  * indent-tabs-mode: nil
 856  * End:
 857  * vim: shiftwidth=4 tabstop=8 expandtab
 858  */
 859