index/zserver.c

   1 /*
   2  * Copyright (C) 1995-2000, Index Data
   3  * All rights reserved.
   4  *
   5  * $Log: zserver.c,v $
   6  * Revision 1.78  2000-04-05 09:49:35  adam
   7  * On Unix, zebra/z'mbol uses automake.
   8  *
   9  * Revision 1.77  2000/03/20 19:08:36  adam
  10  * Added remote record import using Z39.50 extended services and Segment
  11  * Requests.
  12  *
  13  * Revision 1.76  2000/03/15 15:00:31  adam
  14  * First work on threaded version.
  15  *
  16  * Revision 1.75  1999/11/30 13:48:04  adam
  17  * Improved installation. Updated for inclusion of YAZ header files.
  18  *
  19  * Revision 1.74  1999/11/29 15:13:26  adam
  20  * Server sets implementationName - and Version.
  21  *
  22  * Revision 1.73  1999/11/04 15:00:45  adam
  23  * Implemented delete result set(s).
  24  *
  25  * Revision 1.71  1999/07/14 10:59:26  adam
  26  * Changed functions isc_getmethod, isams_getmethod.
  27  * Improved fatal error handling (such as missing EXPLAIN schema).
  28  *
  29  * Revision 1.70  1999/06/10 12:14:56  adam
  30  * Fixed to use bend_start instead of pre_init.
  31  *
  32  * Revision 1.69  1999/06/10 09:20:03  adam
  33  * Minor change to pre_init handler.
  34  *
  35  * Revision 1.68  1999/05/26 07:49:13  adam
  36  * C++ compilation.
  37  *
  38  * Revision 1.67  1999/02/02 14:51:14  adam
  39  * Updated WIN32 code specific sections. Changed header.
  40  *
  41  * Revision 1.66  1998/10/28 10:54:41  adam
  42  * SDRKit integration.
  43  *
  44  * Revision 1.65  1998/10/18 07:54:54  adam
  45  * Additional info added for diagnostics 114 (Unsupported use attribute) and
  46  * 121 (Unsupported attribute set).
  47  *
  48  * Revision 1.64  1998/09/22 10:48:21  adam
  49  * Minor changes in search API.
  50  *
  51  * Revision 1.63  1998/09/02 13:53:21  adam
  52  * Extra parameter decode added to search routines to implement
  53  * persistent queries.
  54  *
  55  * Revision 1.62  1998/08/06 14:35:28  adam
  56  * Routine bend_deleterequest removed.
  57  *
  58  * Revision 1.61  1998/06/24 12:16:15  adam
  59  * Support for relations on text operands. Open range support in
  60  * DFA module (i.e. [-j], [g-]).
  61  *
  62  * Revision 1.60  1998/06/22 11:36:49  adam
  63  * Added authentication check facility to zebra.
  64  *
  65  * Revision 1.59  1998/06/12 12:22:13  adam
  66  * Work on Zebra API.
  67  *
  68  * Revision 1.58  1998/05/27 16:57:46  adam
  69  * Zebra returns surrogate diagnostic for single records when
  70  * appropriate.
  71  *
  72  * Revision 1.57  1998/04/03 14:45:18  adam
  73  * Fixed setting of last_in_set in bend_fetch.
  74  *
  75  * Revision 1.56  1998/03/05 08:45:13  adam
  76  * New result set model and modular ranking system. Moved towards
  77  * descent server API. System information stored as "SGML" records.
  78  *
  79  * Revision 1.55  1998/02/10 12:03:06  adam
  80  * Implemented Sort.
  81  *
  82  * Revision 1.54  1998/01/29 13:39:13  adam
  83  * Compress ISAM is default.
  84  *
  85  * Revision 1.53  1998/01/12 15:04:09  adam
  86  * The test option (-s) only uses read-lock (and not write lock).
  87  *
  88  * Revision 1.52  1997/11/18 10:05:08  adam
  89  * Changed character map facility so that admin can specify character
  90  * mapping files for each register type, w, p, etc.
  91  *
  92  * Revision 1.51  1997/10/27 14:33:06  adam
  93  * Moved towards generic character mapping depending on "structure"
  94  * field in abstract syntax file. Fixed a few memory leaks. Fixed
  95  * bug with negative integers when doing searches with relational
  96  * operators.
  97  *
  98  * Revision 1.50  1997/09/29 09:08:36  adam
  99  * Revised locking system to be thread safe for the server.
 100  *
 101  * Revision 1.49  1997/09/25 14:57:23  adam
 102  * Windows NT port.
 103  *
 104  * Revision 1.48  1997/09/17 12:19:19  adam
 105  * Zebra version corresponds to YAZ version 1.4.
 106  * Changed Zebra server so that it doesn't depend on global common_resource.
 107  *
 108  * Revision 1.47  1997/09/04 13:58:36  adam
 109  * New retrieve/extract method tellf (added).
 110  * Added O_BINARY for open calls.
 111  *
 112  * Revision 1.46  1997/07/28 08:30:47  adam
 113  * Server returns diagnostic 14 when record doesn't exist.
 114  *
 115  * Revision 1.45  1996/12/23 15:30:45  adam
 116  * Work on truncation.
 117  * Bug fix: result sets weren't deleted after server shut down.
 118  *
 119  * Revision 1.44  1996/12/11 12:08:01  adam
 120  * Added better compression.
 121  *
 122  * Revision 1.43  1996/11/15 15:03:58  adam
 123  * Logging of execution speed by using the times(2) call.
 124  *
 125  * Revision 1.42  1996/11/08  11:10:36  adam
 126  * Buffers used during file match got bigger.
 127  * Compressed ISAM support everywhere.
 128  * Bug fixes regarding masking characters in queries.
 129  * Redesigned Regexp-2 queries.
 130  *
 131  * Revision 1.41  1996/10/29 14:09:56  adam
 132  * Use of cisam system - enabled if setting isamc is 1.
 133  *
 134  * Revision 1.40  1996/06/04 10:19:02  adam
 135  * Minor changes - removed include of ctype.h.
 136  *
 137  * Revision 1.39  1996/05/31  09:07:05  quinn
 138  * Work on character-set handling
 139  *
 140  * Revision 1.38  1996/05/14  11:34:01  adam
 141  * Scan support in multiple registers/databases.
 142  *
 143  * Revision 1.37  1996/05/14  06:16:48  adam
 144  * Compact use/set bytes used in search service.
 145  *
 146  * Revision 1.36  1996/05/01 13:46:37  adam
 147  * First work on multiple records in one file.
 148  * New option, -offset, to the "unread" command in the filter module.
 149  *
 150  * Revision 1.35  1996/03/26  16:01:14  adam
 151  * New setting lockPath: directory of various lock files.
 152  *
 153  * Revision 1.34  1996/03/20  09:36:46  adam
 154  * Function dict_lookup_grep got extra parameter, init_pos, which marks
 155  * from which position in pattern approximate pattern matching should occur.
 156  * Approximate pattern matching is used in relevance=re-2.
 157  *
 158  * Revision 1.33  1996/01/17  14:57:56  adam
 159  * Prototype changed for reader functions in extract/retrieve. File
 160  *  is identified by 'void *' instead of 'int.
 161  *
 162  * Revision 1.32  1995/12/11  09:12:58  adam
 163  * The rec_get function returns NULL if record doesn't exist - will
 164  * happen in the server if the result set records have been deleted since
 165  * the creation of the set (i.e. the search).
 166  * The server saves a result temporarily if it is 'volatile', i.e. the
 167  * set is register dependent.
 168  *
 169  * Revision 1.31  1995/12/08  16:22:56  adam
 170  * Work on update while servers are running. Three lock files introduced.
 171  * The servers reload their registers when necessary, but they don't
 172  * reestablish result sets yet.
 173  *
 174  * Revision 1.30  1995/12/07  17:38:48  adam
 175  * Work locking mechanisms for concurrent updates/commit.
 176  *
 177  * Revision 1.29  1995/12/04  14:22:32  adam
 178  * Extra arg to recType_byName.
 179  * Started work on new regular expression parsed input to
 180  * structured records.
 181  *
 182  * Revision 1.28  1995/11/28  09:09:48  adam
 183  * Zebra config renamed.
 184  * Use setting 'recordId' to identify record now.
 185  * Bug fix in recindex.c: rec_release_blocks was invokeded even
 186  * though the blocks were already released.
 187  * File traversal properly deletes records when needed.
 188  *
 189  * Revision 1.27  1995/11/27  13:58:54  adam
 190  * New option -t. storeStore data implemented in server.
 191  *
 192  * Revision 1.26  1995/11/25  10:24:07  adam
 193  * More record fields - they are enumerated now.
 194  * New options: flagStoreData flagStoreKey.
 195  *
 196  * Revision 1.25  1995/11/21  15:29:13  adam
 197  * Config file 'base' read by default by both indexer and server.
 198  *
 199  * Revision 1.24  1995/11/20  16:59:47  adam
 200  * New update method: the 'old' keys are saved for each records.
 201  *
 202  * Revision 1.23  1995/11/16  17:00:56  adam
 203  * Better logging of rpn query.
 204  *
 205  * Revision 1.22  1995/11/16  15:34:55  adam
 206  * Uses new record management system in both indexer and server.
 207  *
 208  * Revision 1.21  1995/11/01  16:25:52  quinn
 209  * *** empty log message ***
 210  *
 211  * Revision 1.20  1995/10/27  14:00:12  adam
 212  * Implemented detection of database availability.
 213  *
 214  * Revision 1.19  1995/10/17  18:02:11  adam
 215  * New feature: databases. Implemented as prefix to words in dictionary.
 216  *
 217  * Revision 1.18  1995/10/16  14:03:09  quinn
 218  * Changes to support element set names and espec1
 219  *
 220  * Revision 1.17  1995/10/16  09:32:40  adam
 221  * More work on relational op.
 222  *
 223  * Revision 1.16  1995/10/13  12:26:44  adam
 224  * Optimization of truncation.
 225  *
 226  * Revision 1.15  1995/10/12  12:40:55  adam
 227  * Bug fixes in rpn_prox.
 228  *
 229  * Revision 1.14  1995/10/09  16:18:37  adam
 230  * Function dict_lookup_grep got extra client data parameter.
 231  *
 232  * Revision 1.13  1995/10/06  14:38:00  adam
 233  * New result set method: r_score.
 234  * Local no (sysno) and score is transferred to retrieveCtrl.
 235  *
 236  * Revision 1.12  1995/10/06  13:52:06  adam
 237  * Bug fixes. Handler may abort further scanning.
 238  *
 239  * Revision 1.11  1995/10/06  10:43:57  adam
 240  * Scan added. 'occurrences' in scan entries not set yet.
 241  *
 242  * Revision 1.10  1995/10/02  16:43:32  quinn
 243  * Set default resulting record type in fetch.
 244  *
 245  * Revision 1.9  1995/10/02  15:18:52  adam
 246  * New member in recRetrieveCtrl: diagnostic.
 247  *
 248  * Revision 1.8  1995/09/28  09:19:47  adam
 249  * xfree/xmalloc used everywhere.
 250  * Extract/retrieve method seems to work for text records.
 251  *
 252  * Revision 1.7  1995/09/27  16:17:32  adam
 253  * More work on retrieve.
 254  *
 255  * Revision 1.6  1995/09/08  08:53:22  adam
 256  * Record buffer maintained in server_info.
 257  *
 258  * Revision 1.5  1995/09/06  16:11:18  adam
 259  * Option: only one word key per file.
 260  *
 261  * Revision 1.4  1995/09/06  10:33:04  adam
 262  * More work on present. Some log messages removed.
 263  *
 264  * Revision 1.3  1995/09/05  15:28:40  adam
 265  * More work on search engine.
 266  *
 267  * Revision 1.2  1995/09/04  12:33:43  adam
 268  * Various cleanup. YAZ util used instead.
 269  *
 270  * Revision 1.1  1995/09/04  09:10:41  adam
 271  * More work on index add/del/update.
 272  * Merge sort implemented.
 273  * Initial work on z39 server.
 274  *
 275  */
 276
 277 #include <stdio.h>
 278 #include <assert.h>
 279 #include <fcntl.h>
 280 #ifdef WIN32
 281 #include <io.h>
 282 #include <process.h>
 283 #else
 284 #include <unistd.h>
 285 #endif
 286
 287 #include <yaz/data1.h>
 288 #ifdef ASN_COMPILED
 289 #include <yaz/ill.h>
 290 #endif
 291
 292 #include "zserver.h"
 293
 294 #ifndef ZEBRASDR
 295 #define ZEBRASDR 0
 296 #endif
 297 #if ZEBRASDR
 298 #include "zebrasdr.h"
 299 #endif
 300
 301 static int bend_sort (void *handle, bend_sort_rr *rr);
 302 static int bend_delete (void *handle, bend_delete_rr *rr);
 303 static int bend_esrequest (void *handle, bend_esrequest_rr *rr);
 304 static int bend_segment (void *handle, bend_segment_rr *rr);
 305 static int bend_search (void *handle, bend_search_rr *r);
 306 static int bend_fetch (void *handle, bend_fetch_rr *r);
 307 static int bend_scan (void *handle, bend_scan_rr *r);
 308
 309 bend_initresult *bend_init (bend_initrequest *q)
 310 {
 311     bend_initresult *r = (bend_initresult *)
 312         odr_malloc (q->stream, sizeof(*r));
 313     ZebraHandle zh;
 314     struct statserv_options_block *sob;
 315     char *user = NULL;
 316     char *passwd = NULL;
 317
 318     r->errcode = 0;
 319     r->errstring = 0;
 320     q->bend_sort = bend_sort;
 321     q->bend_delete = bend_delete;
 322     q->bend_esrequest = bend_esrequest;
 323     q->bend_segment = bend_segment;
 324     q->bend_search = bend_search;
 325     q->bend_fetch = bend_fetch;
 326     q->bend_scan = bend_scan;
 327
 328     q->implementation_name = "Z'mbol Information Server";
 329     q->implementation_version = "Z'mbol 1.0";
 330
 331     logf (LOG_DEBUG, "bend_init");
 332
 333     sob = statserv_getcontrol ();
 334     if (!(zh = zebra_open (sob->handle)))
 335     {
 336         logf (LOG_FATAL, "Failed to open Zebra `%s'", sob->configname);
 337         r->errcode = 1;
 338         return r;
 339     }
 340     if (q->auth)
 341     {
 342         if (q->auth->which == Z_IdAuthentication_open)
 343         {
 344             char *openpass = xstrdup (q->auth->u.open);
 345             char *cp = strchr (openpass, '/');
 346             if (cp)
 347             {
 348                 *cp = '\0';
 349                 user = nmem_strdup (odr_getmem (q->stream), openpass);
 350                 passwd = nmem_strdup (odr_getmem (q->stream), cp+1);
 351             }
 352             xfree (openpass);
 353         }
 354     }
 355     if (zebra_auth (zh->service, user, passwd))
 356     {
 357         r->errcode = 222;
 358         r->errstring = user;
 359         zebra_close (zh);
 360         return r;
 361     }
 362     r->handle = zh;
 363     return r;
 364 }
 365
 366 int bend_search (void *handle, bend_search_rr *r)
 367 {
 368     ZebraHandle zh = (ZebraHandle) handle;
 369
 370     r->hits = 0;
 371     r->errcode = 0;
 372     r->errstring = NULL;
 373
 374     logf (LOG_LOG, "ResultSet '%s'", r->setname);
 375     switch (r->query->which)
 376     {
 377     case Z_Query_type_1: case Z_Query_type_101:
 378         zebra_search_rpn (zh, r->decode, r->stream, r->query->u.type_1,
 379                           r->num_bases, r->basenames, r->setname);
 380         r->errcode = zh->errCode;
 381         r->errstring = zh->errString;
 382         r->hits = zh->hits;
 383         break;
 384     case Z_Query_type_2:
 385         r->errcode = 107;
 386         r->errstring = "type-2";
 387         break;
 388     default:
 389         r->errcode = 107;
 390     }
 391     return 0;
 392 }
 393
 394 int bend_fetch (void *handle, bend_fetch_rr *r)
 395 {
 396     ZebraHandle zh = (ZebraHandle) handle;
 397     ZebraRetrievalRecord retrievalRecord;
 398
 399     retrievalRecord.position = r->number;
 400
 401     r->last_in_set = 0;
 402     zebra_records_retrieve (zh, r->stream, r->setname, r->comp,
 403                             r->request_format, 1, &retrievalRecord);
 404     if (zh->errCode)                  /* non Surrogate Diagnostic */
 405     {
 406         r->errcode = zh->errCode;
 407         r->errstring = zh->errString;
 408     }
 409     else if (retrievalRecord.errCode) /* Surrogate Diagnostic */
 410     {
 411         r->surrogate_flag = 1;
 412         r->errcode = retrievalRecord.errCode;
 413         r->errstring = retrievalRecord.errString;
 414         r->basename = retrievalRecord.base;
 415     }
 416     else                              /* Database Record */
 417     {
 418         r->errcode = 0;
 419         r->basename = retrievalRecord.base;
 420         r->record = retrievalRecord.buf;
 421         r->len = retrievalRecord.len;
 422         r->output_format = retrievalRecord.format;
 423     }
 424     return 0;
 425 }
 426
 427 static int bend_scan (void *handle, bend_scan_rr *r)
 428 {
 429     ZebraScanEntry *entries;
 430     ZebraHandle zh = (ZebraHandle) handle;
 431     int is_partial, i;
 432
 433     r->entries = (struct scan_entry *)
 434         odr_malloc (r->stream, sizeof(*r->entries) * r->num_entries);
 435     zebra_scan (zh, r->stream, r->term,
 436                 r->attributeset,
 437                 r->num_bases, r->basenames,
 438                 &r->term_position,
 439                 &r->num_entries, &entries, &is_partial);
 440     if (is_partial)
 441         r->status = BEND_SCAN_PARTIAL;
 442     else
 443         r->status = BEND_SCAN_SUCCESS;
 444     for (i = 0; i < r->num_entries; i++)
 445     {
 446         r->entries[i].term = entries[i].term;
 447         r->entries[i].occurrences = entries[i].occurrences;
 448     }
 449     r->errcode = zh->errCode;
 450     r->errstring = zh->errString;
 451     return 0;
 452 }
 453
 454 void bend_close (void *handle)
 455 {
 456     zebra_close ((ZebraHandle) handle);
 457 }
 458
 459 int bend_sort (void *handle, bend_sort_rr *rr)
 460 {
 461     ZebraHandle zh = (ZebraHandle) handle;
 462
 463     zebra_sort (zh, rr->stream,
 464                 rr->num_input_setnames, (const char **) rr->input_setnames,
 465                 rr->output_setname, rr->sort_sequence, &rr->sort_status);
 466     rr->errcode = zh->errCode;
 467     rr->errstring = zh->errString;
 468     return 0;
 469 }
 470
 471 int bend_delete (void *handle, bend_delete_rr *rr)
 472 {
 473     ZebraHandle zh = (ZebraHandle) handle;
 474
 475     rr->delete_status = zebra_deleleResultSet(zh, rr->function,
 476                                               rr->num_setnames, rr->setnames,
 477                                               rr->statuses);
 478     return 0;
 479 }
 480
 481 static int es_admin_request (ZebraHandle zh, Z_AdminEsRequest *r)
 482 {
 483     switch (r->toKeep->which)
 484     {
 485     case Z_ESAdminOriginPartToKeep_reIndex:
 486         yaz_log(LOG_LOG, "adm-reindex");
 487         break;
 488     case Z_ESAdminOriginPartToKeep_truncate:
 489         yaz_log(LOG_LOG, "adm-truncate");
 490         break;
 491     case Z_ESAdminOriginPartToKeep_drop:
 492         yaz_log(LOG_LOG, "adm-drop");
 493         break;
 494     case Z_ESAdminOriginPartToKeep_create:
 495         yaz_log(LOG_LOG, "adm-create");
 496         zebra_admin_create (zh, r->toKeep->databaseName);
 497         break;
 498     case Z_ESAdminOriginPartToKeep_import:
 499         yaz_log(LOG_LOG, "adm-import");
 500         zebra_admin_import_begin (zh, r->toKeep->databaseName);
 501         break;
 502     case Z_ESAdminOriginPartToKeep_refresh:
 503         yaz_log(LOG_LOG, "adm-refresh");
 504         break;
 505     case Z_ESAdminOriginPartToKeep_commit:
 506         yaz_log(LOG_LOG, "adm-commit");
 507         break;
 508     case Z_ESAdminOriginPartToKeep_shutdown:
 509         yaz_log(LOG_LOG, "shutdown");
 510         zebra_admin_shutdown(zh);
 511         break;
 512     case Z_ESAdminOriginPartToKeep_start:
 513         yaz_log(LOG_LOG, "start");
 514         zebra_admin_start(zh);
 515         break;
 516     default:
 517         yaz_log(LOG_LOG, "unknown admin");
 518         zh->errCode = 1001;
 519     }
 520     if (r->toKeep->databaseName)
 521     {
 522         yaz_log(LOG_LOG, "database %s", r->toKeep->databaseName);
 523     }
 524     return 0;
 525 }
 526
 527 static int es_admin (ZebraHandle zh, Z_Admin *r)
 528 {
 529     switch (r->which)
 530     {
 531     case Z_Admin_esRequest:
 532         es_admin_request (zh, r->u.esRequest);
 533         break;
 534     case Z_Admin_taskPackage:
 535         yaz_log (LOG_LOG, "adm taskpackage (unhandled)");
 536         break;
 537     default:
 538         zh->errCode = 1001;
 539         break;
 540     }
 541
 542     return 0;
 543 }
 544
 545 int bend_segment (void *handle, bend_segment_rr *rr)
 546 {
 547     ZebraHandle zh = (ZebraHandle) handle;
 548     Z_Segment *segment = rr->segment;
 549
 550     if (segment->num_segmentRecords)
 551         zebra_admin_import_segment (zh, rr->segment);
 552     else
 553         zebra_admin_import_end (zh);
 554     return 0;
 555 }
 556
 557 int bend_esrequest (void *handle, bend_esrequest_rr *rr)
 558 {
 559     ZebraHandle zh = (ZebraHandle) handle;
 560
 561     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
 562     if (rr->esr->packageName)
 563         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
 564     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 565
 566     if (!rr->esr->taskSpecificParameters)
 567     {
 568         yaz_log (LOG_WARN, "No task specific parameters");
 569     }
 570     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 571     {
 572         es_admin (zh, rr->esr->taskSpecificParameters->u.adminService);
 573         rr->errcode = zh->errCode;
 574         rr->errstring = zh->errString;
 575     }
 576     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 577     {
 578         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 579         yaz_log (LOG_LOG, "Received ItemOrder");
 580         switch (it->which)
 581         {
 582 #ifdef ASN_COMPILED
 583         case Z_IOItemOrder_esRequest:
 584 #else
 585         case Z_ItemOrder_esRequest:
 586 #endif
 587         {
 588             Z_IORequest *ir = it->u.esRequest;
 589             Z_IOOriginPartToKeep *k = ir->toKeep;
 590             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 591
 592             if (k && k->contact)
 593             {
 594                 if (k->contact->name)
 595                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
 596                 if (k->contact->phone)
 597                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
 598                 if (k->contact->email)
 599                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
 600             }
 601             if (k->addlBilling)
 602             {
 603                 yaz_log(LOG_LOG, "Billing info (not shown)");
 604             }
 605
 606             if (n->resultSetItem)
 607             {
 608                 yaz_log(LOG_LOG, "resultsetItem");
 609                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 610                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 611             }
 612 #ifdef ASN_COMPILED
 613             if (n->itemRequest)
 614             {
 615                 Z_External *r = (Z_External*) n->itemRequest;
 616                 ILL_ItemRequest *item_req = 0;
 617                 ILL_Request *ill_req = 0;
 618                 if (r->direct_reference)
 619                 {
 620                     oident *ent = oid_getentbyoid(r->direct_reference);
 621                     if (ent)
 622                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 623                     if (ent && ent->value == VAL_ISO_ILL_1)
 624                     {
 625                         yaz_log (LOG_LOG, "ItemRequest");
 626                         if (r->which == ODR_EXTERNAL_single)
 627                         {
 628                             odr_setbuf(rr->decode,
 629                                        r->u.single_ASN1_type->buf,
 630                                        r->u.single_ASN1_type->len, 0);
 631
 632                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 633                             {
 634                                 yaz_log (LOG_LOG,
 635                                     "Couldn't decode ItemRequest %s near %d",
 636                                        odr_errmsg(odr_geterror(rr->decode)),
 637                                        odr_offset(rr->decode));
 638                                 yaz_log(LOG_LOG, "PDU dump:");
 639                                 odr_dumpBER(log_file(),
 640                                      r->u.single_ASN1_type->buf,
 641                                      r->u.single_ASN1_type->len);
 642                             }
 643                             if (rr->print)
 644                             {
 645                                 ill_ItemRequest (rr->print, &item_req, 0,
 646                                     "ItemRequest");
 647                                 odr_reset (rr->print);
 648                             }
 649                         }
 650                         if (!item_req && r->which == ODR_EXTERNAL_single)
 651                         {
 652                             yaz_log (LOG_LOG, "ILLRequest");
 653                             odr_setbuf(rr->decode,
 654                                        r->u.single_ASN1_type->buf,
 655                                        r->u.single_ASN1_type->len, 0);
 656
 657                             if (!ill_Request (rr->decode, &ill_req, 0, 0))
 658                             {
 659                                 yaz_log (LOG_LOG,
 660                                     "Couldn't decode ILLRequest %s near %d",
 661                                        odr_errmsg(odr_geterror(rr->decode)),
 662                                        odr_offset(rr->decode));
 663                                 yaz_log(LOG_LOG, "PDU dump:");
 664                                 odr_dumpBER(log_file(),
 665                                      r->u.single_ASN1_type->buf,
 666                                      r->u.single_ASN1_type->len);
 667                             }
 668                             if (rr->print)
 669                             {
 670                                 ill_Request (rr->print, &ill_req, 0,
 671                                     "ILLRequest");
 672                                 odr_reset (rr->print);
 673                             }
 674                         }
 675                     }
 676                 }
 677                 if (item_req)
 678                 {
 679                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 680                              *item_req->protocol_version_num);
 681                 }
 682             }
 683 #endif
 684         }
 685         break;
 686         }
 687     }
 688     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 689     {
 690         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 691         yaz_log (LOG_LOG, "Received DB Update");
 692         if (up->which == Z_IUUpdate_esRequest)
 693         {
 694             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 695             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 696             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 697
 698             yaz_log (LOG_LOG, "action");
 699             if (toKeep->action)
 700             {
 701                 switch (*toKeep->action)
 702                 {
 703                 case Z_IUOriginPartToKeep_recordInsert:
 704                     yaz_log (LOG_LOG, "recordInsert");
 705                     break;
 706                 case Z_IUOriginPartToKeep_recordReplace:
 707                     yaz_log (LOG_LOG, "recordUpdate");
 708                     break;
 709                 case Z_IUOriginPartToKeep_recordDelete:
 710                     yaz_log (LOG_LOG, "recordDelete");
 711                     break;
 712                 case Z_IUOriginPartToKeep_elementUpdate:
 713                     yaz_log (LOG_LOG, "elementUpdate");
 714                     break;
 715                 case Z_IUOriginPartToKeep_specialUpdate:
 716                     yaz_log (LOG_LOG, "specialUpdate");
 717                     break;
 718                 case Z_ESAdminOriginPartToKeep_shutdown:
 719                     yaz_log (LOG_LOG, "shutDown");
 720                     break;
 721                 case Z_ESAdminOriginPartToKeep_start:
 722                     yaz_log (LOG_LOG, "start");
 723                     break;
 724                 default:
 725                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 726                 }
 727             }
 728             if (toKeep->databaseName)
 729             {
 730                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 731                 if (!strcmp(toKeep->databaseName, "fault"))
 732                 {
 733                     rr->errcode = 109;
 734                     rr->errstring = toKeep->databaseName;
 735                 }
 736                 if (!strcmp(toKeep->databaseName, "accept"))
 737                     rr->errcode = -1;
 738             }
 739             if (notToKeep)
 740             {
 741                 int i;
 742                 for (i = 0; i < notToKeep->num; i++)
 743                 {
 744                     Z_External *rec = notToKeep->elements[i]->record;
 745
 746                     if (rec->direct_reference)
 747                     {
 748                         struct oident *oident;
 749                         oident = oid_getentbyoid(rec->direct_reference);
 750                         if (oident)
 751                             yaz_log (LOG_LOG, "record %d type %s", i,
 752                                      oident->desc);
 753                     }
 754                     switch (rec->which)
 755                     {
 756                     case Z_External_sutrs:
 757                         if (rec->u.octet_aligned->len > 170)
 758                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 759                                      rec->u.sutrs->len,
 760                                      rec->u.sutrs->buf);
 761                         else
 762                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 763                                      rec->u.sutrs->len,
 764                                      rec->u.sutrs->buf);
 765                         break;
 766                     case Z_External_octet        :
 767                         if (rec->u.octet_aligned->len > 170)
 768                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 769                                      rec->u.octet_aligned->len,
 770                                      rec->u.octet_aligned->buf);
 771                         else
 772                             yaz_log (LOG_LOG, "%d bytes\n%s",
 773                                      rec->u.octet_aligned->len,
 774                                      rec->u.octet_aligned->buf);
 775                     }
 776                 }
 777             }
 778         }
 779     }
 780     else
 781     {
 782         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 783                  rr->esr->taskSpecificParameters->which);
 784
 785     }
 786     return 0;
 787 }
 788
 789 static void bend_start (struct statserv_options_block *sob)
 790 {
 791 #ifdef WIN32
 792
 793 #else
 794     if (!sob->inetd)
 795     {
 796         char *pidfile = "zebrasrv.pid";
 797         int fd = creat (pidfile, 0666);
 798         if (fd == -1)
 799             logf (LOG_WARN|LOG_ERRNO, "creat %s", pidfile);
 800         else
 801         {
 802             char pidstr[30];
 803
 804             sprintf (pidstr, "%ld", (long) getpid ());
 805             write (fd, pidstr, strlen(pidstr));
 806             close (fd);
 807         }
 808     }
 809 #endif
 810     if (sob->handle)
 811         zebra_stop((ZebraService) sob->handle);
 812     sob->handle = zebra_start(sob->configname);
 813 }
 814
 815 static void bend_stop(struct statserv_options_block *sob)
 816 {
 817     if (sob->handle)
 818     {
 819         ZebraService service = sob->handle;
 820         zebra_stop(service);
 821     }
 822 }
 823
 824 int main (int argc, char **argv)
 825 {
 826     struct statserv_options_block *sob;
 827
 828     sob = statserv_getcontrol ();
 829     strcpy (sob->configname, FNAME_CONFIG);
 830     sob->bend_start = bend_start;
 831     sob->bend_stop = bend_stop;
 832
 833     statserv_setcontrol (sob);
 834
 835     return statserv_main (argc, argv, bend_init, bend_close);
 836 }