index/zserver.c

   1 /*
   2  * Copyright (C) 1995-2000, Index Data
   3  * All rights reserved.
   4  *
   5  * $Log: zserver.c,v $
   6  * Revision 1.81  2001-02-14 21:42:07  adam
   7  * Fixed versions as returned in INIT response.
   8  *
   9  * Revision 1.80  2000/09/05 14:04:05  adam
  10  * Updates for prefix 'yaz_' for YAZ log functions.
  11  *
  12  * Revision 1.79  2000/05/09 10:56:50  adam
  13  * Added call to xmalloc/nmem debugging functions.
  14  *
  15  * Revision 1.78  2000/04/05 09:49:35  adam
  16  * On Unix, zebra/z'mbol uses automake.
  17  *
  18  * Revision 1.77  2000/03/20 19:08:36  adam
  19  * Added remote record import using Z39.50 extended services and Segment
  20  * Requests.
  21  *
  22  * Revision 1.76  2000/03/15 15:00:31  adam
  23  * First work on threaded version.
  24  *
  25  * Revision 1.75  1999/11/30 13:48:04  adam
  26  * Improved installation. Updated for inclusion of YAZ header files.
  27  *
  28  * Revision 1.74  1999/11/29 15:13:26  adam
  29  * Server sets implementationName - and Version.
  30  *
  31  * Revision 1.73  1999/11/04 15:00:45  adam
  32  * Implemented delete result set(s).
  33  *
  34  * Revision 1.71  1999/07/14 10:59:26  adam
  35  * Changed functions isc_getmethod, isams_getmethod.
  36  * Improved fatal error handling (such as missing EXPLAIN schema).
  37  *
  38  * Revision 1.70  1999/06/10 12:14:56  adam
  39  * Fixed to use bend_start instead of pre_init.
  40  *
  41  * Revision 1.69  1999/06/10 09:20:03  adam
  42  * Minor change to pre_init handler.
  43  *
  44  * Revision 1.68  1999/05/26 07:49:13  adam
  45  * C++ compilation.
  46  *
  47  * Revision 1.67  1999/02/02 14:51:14  adam
  48  * Updated WIN32 code specific sections. Changed header.
  49  *
  50  * Revision 1.66  1998/10/28 10:54:41  adam
  51  * SDRKit integration.
  52  *
  53  * Revision 1.65  1998/10/18 07:54:54  adam
  54  * Additional info added for diagnostics 114 (Unsupported use attribute) and
  55  * 121 (Unsupported attribute set).
  56  *
  57  * Revision 1.64  1998/09/22 10:48:21  adam
  58  * Minor changes in search API.
  59  *
  60  * Revision 1.63  1998/09/02 13:53:21  adam
  61  * Extra parameter decode added to search routines to implement
  62  * persistent queries.
  63  *
  64  * Revision 1.62  1998/08/06 14:35:28  adam
  65  * Routine bend_deleterequest removed.
  66  *
  67  * Revision 1.61  1998/06/24 12:16:15  adam
  68  * Support for relations on text operands. Open range support in
  69  * DFA module (i.e. [-j], [g-]).
  70  *
  71  * Revision 1.60  1998/06/22 11:36:49  adam
  72  * Added authentication check facility to zebra.
  73  *
  74  * Revision 1.59  1998/06/12 12:22:13  adam
  75  * Work on Zebra API.
  76  *
  77  * Revision 1.58  1998/05/27 16:57:46  adam
  78  * Zebra returns surrogate diagnostic for single records when
  79  * appropriate.
  80  *
  81  * Revision 1.57  1998/04/03 14:45:18  adam
  82  * Fixed setting of last_in_set in bend_fetch.
  83  *
  84  * Revision 1.56  1998/03/05 08:45:13  adam
  85  * New result set model and modular ranking system. Moved towards
  86  * descent server API. System information stored as "SGML" records.
  87  *
  88  * Revision 1.55  1998/02/10 12:03:06  adam
  89  * Implemented Sort.
  90  *
  91  * Revision 1.54  1998/01/29 13:39:13  adam
  92  * Compress ISAM is default.
  93  *
  94  * Revision 1.53  1998/01/12 15:04:09  adam
  95  * The test option (-s) only uses read-lock (and not write lock).
  96  *
  97  * Revision 1.52  1997/11/18 10:05:08  adam
  98  * Changed character map facility so that admin can specify character
  99  * mapping files for each register type, w, p, etc.
 100  *
 101  * Revision 1.51  1997/10/27 14:33:06  adam
 102  * Moved towards generic character mapping depending on "structure"
 103  * field in abstract syntax file. Fixed a few memory leaks. Fixed
 104  * bug with negative integers when doing searches with relational
 105  * operators.
 106  *
 107  * Revision 1.50  1997/09/29 09:08:36  adam
 108  * Revised locking system to be thread safe for the server.
 109  *
 110  * Revision 1.49  1997/09/25 14:57:23  adam
 111  * Windows NT port.
 112  *
 113  * Revision 1.48  1997/09/17 12:19:19  adam
 114  * Zebra version corresponds to YAZ version 1.4.
 115  * Changed Zebra server so that it doesn't depend on global common_resource.
 116  *
 117  * Revision 1.47  1997/09/04 13:58:36  adam
 118  * New retrieve/extract method tellf (added).
 119  * Added O_BINARY for open calls.
 120  *
 121  * Revision 1.46  1997/07/28 08:30:47  adam
 122  * Server returns diagnostic 14 when record doesn't exist.
 123  *
 124  * Revision 1.45  1996/12/23 15:30:45  adam
 125  * Work on truncation.
 126  * Bug fix: result sets weren't deleted after server shut down.
 127  *
 128  * Revision 1.44  1996/12/11 12:08:01  adam
 129  * Added better compression.
 130  *
 131  * Revision 1.43  1996/11/15 15:03:58  adam
 132  * Logging of execution speed by using the times(2) call.
 133  *
 134  * Revision 1.42  1996/11/08  11:10:36  adam
 135  * Buffers used during file match got bigger.
 136  * Compressed ISAM support everywhere.
 137  * Bug fixes regarding masking characters in queries.
 138  * Redesigned Regexp-2 queries.
 139  *
 140  * Revision 1.41  1996/10/29 14:09:56  adam
 141  * Use of cisam system - enabled if setting isamc is 1.
 142  *
 143  * Revision 1.40  1996/06/04 10:19:02  adam
 144  * Minor changes - removed include of ctype.h.
 145  *
 146  * Revision 1.39  1996/05/31  09:07:05  quinn
 147  * Work on character-set handling
 148  *
 149  * Revision 1.38  1996/05/14  11:34:01  adam
 150  * Scan support in multiple registers/databases.
 151  *
 152  * Revision 1.37  1996/05/14  06:16:48  adam
 153  * Compact use/set bytes used in search service.
 154  *
 155  * Revision 1.36  1996/05/01 13:46:37  adam
 156  * First work on multiple records in one file.
 157  * New option, -offset, to the "unread" command in the filter module.
 158  *
 159  * Revision 1.35  1996/03/26  16:01:14  adam
 160  * New setting lockPath: directory of various lock files.
 161  *
 162  * Revision 1.34  1996/03/20  09:36:46  adam
 163  * Function dict_lookup_grep got extra parameter, init_pos, which marks
 164  * from which position in pattern approximate pattern matching should occur.
 165  * Approximate pattern matching is used in relevance=re-2.
 166  *
 167  * Revision 1.33  1996/01/17  14:57:56  adam
 168  * Prototype changed for reader functions in extract/retrieve. File
 169  *  is identified by 'void *' instead of 'int.
 170  *
 171  * Revision 1.32  1995/12/11  09:12:58  adam
 172  * The rec_get function returns NULL if record doesn't exist - will
 173  * happen in the server if the result set records have been deleted since
 174  * the creation of the set (i.e. the search).
 175  * The server saves a result temporarily if it is 'volatile', i.e. the
 176  * set is register dependent.
 177  *
 178  * Revision 1.31  1995/12/08  16:22:56  adam
 179  * Work on update while servers are running. Three lock files introduced.
 180  * The servers reload their registers when necessary, but they don't
 181  * reestablish result sets yet.
 182  *
 183  * Revision 1.30  1995/12/07  17:38:48  adam
 184  * Work locking mechanisms for concurrent updates/commit.
 185  *
 186  * Revision 1.29  1995/12/04  14:22:32  adam
 187  * Extra arg to recType_byName.
 188  * Started work on new regular expression parsed input to
 189  * structured records.
 190  *
 191  * Revision 1.28  1995/11/28  09:09:48  adam
 192  * Zebra config renamed.
 193  * Use setting 'recordId' to identify record now.
 194  * Bug fix in recindex.c: rec_release_blocks was invokeded even
 195  * though the blocks were already released.
 196  * File traversal properly deletes records when needed.
 197  *
 198  * Revision 1.27  1995/11/27  13:58:54  adam
 199  * New option -t. storeStore data implemented in server.
 200  *
 201  * Revision 1.26  1995/11/25  10:24:07  adam
 202  * More record fields - they are enumerated now.
 203  * New options: flagStoreData flagStoreKey.
 204  *
 205  * Revision 1.25  1995/11/21  15:29:13  adam
 206  * Config file 'base' read by default by both indexer and server.
 207  *
 208  * Revision 1.24  1995/11/20  16:59:47  adam
 209  * New update method: the 'old' keys are saved for each records.
 210  *
 211  * Revision 1.23  1995/11/16  17:00:56  adam
 212  * Better logging of rpn query.
 213  *
 214  * Revision 1.22  1995/11/16  15:34:55  adam
 215  * Uses new record management system in both indexer and server.
 216  *
 217  * Revision 1.21  1995/11/01  16:25:52  quinn
 218  * *** empty log message ***
 219  *
 220  * Revision 1.20  1995/10/27  14:00:12  adam
 221  * Implemented detection of database availability.
 222  *
 223  * Revision 1.19  1995/10/17  18:02:11  adam
 224  * New feature: databases. Implemented as prefix to words in dictionary.
 225  *
 226  * Revision 1.18  1995/10/16  14:03:09  quinn
 227  * Changes to support element set names and espec1
 228  *
 229  * Revision 1.17  1995/10/16  09:32:40  adam
 230  * More work on relational op.
 231  *
 232  * Revision 1.16  1995/10/13  12:26:44  adam
 233  * Optimization of truncation.
 234  *
 235  * Revision 1.15  1995/10/12  12:40:55  adam
 236  * Bug fixes in rpn_prox.
 237  *
 238  * Revision 1.14  1995/10/09  16:18:37  adam
 239  * Function dict_lookup_grep got extra client data parameter.
 240  *
 241  * Revision 1.13  1995/10/06  14:38:00  adam
 242  * New result set method: r_score.
 243  * Local no (sysno) and score is transferred to retrieveCtrl.
 244  *
 245  * Revision 1.12  1995/10/06  13:52:06  adam
 246  * Bug fixes. Handler may abort further scanning.
 247  *
 248  * Revision 1.11  1995/10/06  10:43:57  adam
 249  * Scan added. 'occurrences' in scan entries not set yet.
 250  *
 251  * Revision 1.10  1995/10/02  16:43:32  quinn
 252  * Set default resulting record type in fetch.
 253  *
 254  * Revision 1.9  1995/10/02  15:18:52  adam
 255  * New member in recRetrieveCtrl: diagnostic.
 256  *
 257  * Revision 1.8  1995/09/28  09:19:47  adam
 258  * xfree/xmalloc used everywhere.
 259  * Extract/retrieve method seems to work for text records.
 260  *
 261  * Revision 1.7  1995/09/27  16:17:32  adam
 262  * More work on retrieve.
 263  *
 264  * Revision 1.6  1995/09/08  08:53:22  adam
 265  * Record buffer maintained in server_info.
 266  *
 267  * Revision 1.5  1995/09/06  16:11:18  adam
 268  * Option: only one word key per file.
 269  *
 270  * Revision 1.4  1995/09/06  10:33:04  adam
 271  * More work on present. Some log messages removed.
 272  *
 273  * Revision 1.3  1995/09/05  15:28:40  adam
 274  * More work on search engine.
 275  *
 276  * Revision 1.2  1995/09/04  12:33:43  adam
 277  * Various cleanup. YAZ util used instead.
 278  *
 279  * Revision 1.1  1995/09/04  09:10:41  adam
 280  * More work on index add/del/update.
 281  * Merge sort implemented.
 282  * Initial work on z39 server.
 283  *
 284  */
 285
 286 #include <stdio.h>
 287 #include <assert.h>
 288 #include <fcntl.h>
 289 #ifdef WIN32
 290 #include <io.h>
 291 #include <process.h>
 292 #else
 293 #include <unistd.h>
 294 #endif
 295
 296 #include <yaz/data1.h>
 297 #ifdef ASN_COMPILED
 298 #include <yaz/ill.h>
 299 #endif
 300
 301 #include "zserver.h"
 302
 303 #ifndef ZEBRASDR
 304 #define ZEBRASDR 0
 305 #endif
 306 #if ZEBRASDR
 307 #include "zebrasdr.h"
 308 #endif
 309
 310 static int bend_sort (void *handle, bend_sort_rr *rr);
 311 static int bend_delete (void *handle, bend_delete_rr *rr);
 312 static int bend_esrequest (void *handle, bend_esrequest_rr *rr);
 313 static int bend_segment (void *handle, bend_segment_rr *rr);
 314 static int bend_search (void *handle, bend_search_rr *r);
 315 static int bend_fetch (void *handle, bend_fetch_rr *r);
 316 static int bend_scan (void *handle, bend_scan_rr *r);
 317
 318 bend_initresult *bend_init (bend_initrequest *q)
 319 {
 320     bend_initresult *r = (bend_initresult *)
 321         odr_malloc (q->stream, sizeof(*r));
 322     ZebraHandle zh;
 323     struct statserv_options_block *sob;
 324     char *user = NULL;
 325     char *passwd = NULL;
 326
 327     r->errcode = 0;
 328     r->errstring = 0;
 329     q->bend_sort = bend_sort;
 330     q->bend_delete = bend_delete;
 331     q->bend_esrequest = bend_esrequest;
 332     q->bend_segment = bend_segment;
 333     q->bend_search = bend_search;
 334     q->bend_fetch = bend_fetch;
 335     q->bend_scan = bend_scan;
 336
 337 #if ZMBOL
 338     q->implementation_name = "Z'mbol Information Server";
 339     q->implementation_version = "Z'mbol " VERSION;
 340 #else
 341     q->implementation_name = "Zebra Information Server";
 342     q->implementation_version = "Zebra " VERSION;
 343 #endif
 344
 345     logf (LOG_DEBUG, "bend_init");
 346
 347     sob = statserv_getcontrol ();
 348     if (!(zh = zebra_open (sob->handle)))
 349     {
 350         logf (LOG_FATAL, "Failed to open Zebra `%s'", sob->configname);
 351         r->errcode = 1;
 352         return r;
 353     }
 354     if (q->auth)
 355     {
 356         if (q->auth->which == Z_IdAuthentication_open)
 357         {
 358             char *openpass = xstrdup (q->auth->u.open);
 359             char *cp = strchr (openpass, '/');
 360             if (cp)
 361             {
 362                 *cp = '\0';
 363                 user = nmem_strdup (odr_getmem (q->stream), openpass);
 364                 passwd = nmem_strdup (odr_getmem (q->stream), cp+1);
 365             }
 366             xfree (openpass);
 367         }
 368     }
 369     if (zebra_auth (zh->service, user, passwd))
 370     {
 371         r->errcode = 222;
 372         r->errstring = user;
 373         zebra_close (zh);
 374         return r;
 375     }
 376     r->handle = zh;
 377     return r;
 378 }
 379
 380 int bend_search (void *handle, bend_search_rr *r)
 381 {
 382     ZebraHandle zh = (ZebraHandle) handle;
 383
 384     r->hits = 0;
 385     r->errcode = 0;
 386     r->errstring = NULL;
 387
 388     logf (LOG_LOG, "ResultSet '%s'", r->setname);
 389     switch (r->query->which)
 390     {
 391     case Z_Query_type_1: case Z_Query_type_101:
 392         zebra_search_rpn (zh, r->decode, r->stream, r->query->u.type_1,
 393                           r->num_bases, r->basenames, r->setname);
 394         r->errcode = zh->errCode;
 395         r->errstring = zh->errString;
 396         r->hits = zh->hits;
 397         break;
 398     case Z_Query_type_2:
 399         r->errcode = 107;
 400         r->errstring = "type-2";
 401         break;
 402     default:
 403         r->errcode = 107;
 404     }
 405     return 0;
 406 }
 407
 408 int bend_fetch (void *handle, bend_fetch_rr *r)
 409 {
 410     ZebraHandle zh = (ZebraHandle) handle;
 411     ZebraRetrievalRecord retrievalRecord;
 412
 413     retrievalRecord.position = r->number;
 414
 415     r->last_in_set = 0;
 416     zebra_records_retrieve (zh, r->stream, r->setname, r->comp,
 417                             r->request_format, 1, &retrievalRecord);
 418     if (zh->errCode)                  /* non Surrogate Diagnostic */
 419     {
 420         r->errcode = zh->errCode;
 421         r->errstring = zh->errString;
 422     }
 423     else if (retrievalRecord.errCode) /* Surrogate Diagnostic */
 424     {
 425         r->surrogate_flag = 1;
 426         r->errcode = retrievalRecord.errCode;
 427         r->errstring = retrievalRecord.errString;
 428         r->basename = retrievalRecord.base;
 429     }
 430     else                              /* Database Record */
 431     {
 432         r->errcode = 0;
 433         r->basename = retrievalRecord.base;
 434         r->record = retrievalRecord.buf;
 435         r->len = retrievalRecord.len;
 436         r->output_format = retrievalRecord.format;
 437     }
 438     return 0;
 439 }
 440
 441 static int bend_scan (void *handle, bend_scan_rr *r)
 442 {
 443     ZebraScanEntry *entries;
 444     ZebraHandle zh = (ZebraHandle) handle;
 445     int is_partial, i;
 446
 447     r->entries = (struct scan_entry *)
 448         odr_malloc (r->stream, sizeof(*r->entries) * r->num_entries);
 449     zebra_scan (zh, r->stream, r->term,
 450                 r->attributeset,
 451                 r->num_bases, r->basenames,
 452                 &r->term_position,
 453                 &r->num_entries, &entries, &is_partial);
 454     if (is_partial)
 455         r->status = BEND_SCAN_PARTIAL;
 456     else
 457         r->status = BEND_SCAN_SUCCESS;
 458     for (i = 0; i < r->num_entries; i++)
 459     {
 460         r->entries[i].term = entries[i].term;
 461         r->entries[i].occurrences = entries[i].occurrences;
 462     }
 463     r->errcode = zh->errCode;
 464     r->errstring = zh->errString;
 465     return 0;
 466 }
 467
 468 void bend_close (void *handle)
 469 {
 470     zebra_close ((ZebraHandle) handle);
 471     xmalloc_trav("bend_close");
 472     nmem_print_list();
 473 }
 474
 475 int bend_sort (void *handle, bend_sort_rr *rr)
 476 {
 477     ZebraHandle zh = (ZebraHandle) handle;
 478
 479     zebra_sort (zh, rr->stream,
 480                 rr->num_input_setnames, (const char **) rr->input_setnames,
 481                 rr->output_setname, rr->sort_sequence, &rr->sort_status);
 482     rr->errcode = zh->errCode;
 483     rr->errstring = zh->errString;
 484     return 0;
 485 }
 486
 487 int bend_delete (void *handle, bend_delete_rr *rr)
 488 {
 489     ZebraHandle zh = (ZebraHandle) handle;
 490
 491     rr->delete_status = zebra_deleleResultSet(zh, rr->function,
 492                                               rr->num_setnames, rr->setnames,
 493                                               rr->statuses);
 494     return 0;
 495 }
 496
 497 static int es_admin_request (ZebraHandle zh, Z_AdminEsRequest *r)
 498 {
 499     switch (r->toKeep->which)
 500     {
 501     case Z_ESAdminOriginPartToKeep_reIndex:
 502         yaz_log(LOG_LOG, "adm-reindex");
 503         break;
 504     case Z_ESAdminOriginPartToKeep_truncate:
 505         yaz_log(LOG_LOG, "adm-truncate");
 506         break;
 507     case Z_ESAdminOriginPartToKeep_drop:
 508         yaz_log(LOG_LOG, "adm-drop");
 509         break;
 510     case Z_ESAdminOriginPartToKeep_create:
 511         yaz_log(LOG_LOG, "adm-create");
 512         zebra_admin_create (zh, r->toKeep->databaseName);
 513         break;
 514     case Z_ESAdminOriginPartToKeep_import:
 515         yaz_log(LOG_LOG, "adm-import");
 516         zebra_admin_import_begin (zh, r->toKeep->databaseName);
 517         break;
 518     case Z_ESAdminOriginPartToKeep_refresh:
 519         yaz_log(LOG_LOG, "adm-refresh");
 520         break;
 521     case Z_ESAdminOriginPartToKeep_commit:
 522         yaz_log(LOG_LOG, "adm-commit");
 523         break;
 524     case Z_ESAdminOriginPartToKeep_shutdown:
 525         yaz_log(LOG_LOG, "shutdown");
 526         zebra_admin_shutdown(zh);
 527         break;
 528     case Z_ESAdminOriginPartToKeep_start:
 529         yaz_log(LOG_LOG, "start");
 530         zebra_admin_start(zh);
 531         break;
 532     default:
 533         yaz_log(LOG_LOG, "unknown admin");
 534         zh->errCode = 1001;
 535     }
 536     if (r->toKeep->databaseName)
 537     {
 538         yaz_log(LOG_LOG, "database %s", r->toKeep->databaseName);
 539     }
 540     return 0;
 541 }
 542
 543 static int es_admin (ZebraHandle zh, Z_Admin *r)
 544 {
 545     switch (r->which)
 546     {
 547     case Z_Admin_esRequest:
 548         es_admin_request (zh, r->u.esRequest);
 549         break;
 550     case Z_Admin_taskPackage:
 551         yaz_log (LOG_LOG, "adm taskpackage (unhandled)");
 552         break;
 553     default:
 554         zh->errCode = 1001;
 555         break;
 556     }
 557
 558     return 0;
 559 }
 560
 561 int bend_segment (void *handle, bend_segment_rr *rr)
 562 {
 563     ZebraHandle zh = (ZebraHandle) handle;
 564     Z_Segment *segment = rr->segment;
 565
 566     if (segment->num_segmentRecords)
 567         zebra_admin_import_segment (zh, rr->segment);
 568     else
 569         zebra_admin_import_end (zh);
 570     return 0;
 571 }
 572
 573 int bend_esrequest (void *handle, bend_esrequest_rr *rr)
 574 {
 575     ZebraHandle zh = (ZebraHandle) handle;
 576
 577     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
 578     if (rr->esr->packageName)
 579         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
 580     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 581
 582     if (!rr->esr->taskSpecificParameters)
 583     {
 584         yaz_log (LOG_WARN, "No task specific parameters");
 585     }
 586     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 587     {
 588         es_admin (zh, rr->esr->taskSpecificParameters->u.adminService);
 589         rr->errcode = zh->errCode;
 590         rr->errstring = zh->errString;
 591     }
 592     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 593     {
 594         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 595         yaz_log (LOG_LOG, "Received ItemOrder");
 596         switch (it->which)
 597         {
 598 #ifdef ASN_COMPILED
 599         case Z_IOItemOrder_esRequest:
 600 #else
 601         case Z_ItemOrder_esRequest:
 602 #endif
 603         {
 604             Z_IORequest *ir = it->u.esRequest;
 605             Z_IOOriginPartToKeep *k = ir->toKeep;
 606             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 607
 608             if (k && k->contact)
 609             {
 610                 if (k->contact->name)
 611                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
 612                 if (k->contact->phone)
 613                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
 614                 if (k->contact->email)
 615                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
 616             }
 617             if (k->addlBilling)
 618             {
 619                 yaz_log(LOG_LOG, "Billing info (not shown)");
 620             }
 621
 622             if (n->resultSetItem)
 623             {
 624                 yaz_log(LOG_LOG, "resultsetItem");
 625                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 626                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 627             }
 628 #ifdef ASN_COMPILED
 629             if (n->itemRequest)
 630             {
 631                 Z_External *r = (Z_External*) n->itemRequest;
 632                 ILL_ItemRequest *item_req = 0;
 633                 ILL_Request *ill_req = 0;
 634                 if (r->direct_reference)
 635                 {
 636                     oident *ent = oid_getentbyoid(r->direct_reference);
 637                     if (ent)
 638                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 639                     if (ent && ent->value == VAL_ISO_ILL_1)
 640                     {
 641                         yaz_log (LOG_LOG, "ItemRequest");
 642                         if (r->which == ODR_EXTERNAL_single)
 643                         {
 644                             odr_setbuf(rr->decode,
 645                                        r->u.single_ASN1_type->buf,
 646                                        r->u.single_ASN1_type->len, 0);
 647
 648                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 649                             {
 650                                 yaz_log (LOG_LOG,
 651                                     "Couldn't decode ItemRequest %s near %d",
 652                                        odr_errmsg(odr_geterror(rr->decode)),
 653                                        odr_offset(rr->decode));
 654                                 yaz_log(LOG_LOG, "PDU dump:");
 655                                 odr_dumpBER(yaz_log_file(),
 656                                      r->u.single_ASN1_type->buf,
 657                                      r->u.single_ASN1_type->len);
 658                             }
 659                             if (rr->print)
 660                             {
 661                                 ill_ItemRequest (rr->print, &item_req, 0,
 662                                     "ItemRequest");
 663                                 odr_reset (rr->print);
 664                             }
 665                         }
 666                         if (!item_req && r->which == ODR_EXTERNAL_single)
 667                         {
 668                             yaz_log (LOG_LOG, "ILLRequest");
 669                             odr_setbuf(rr->decode,
 670                                        r->u.single_ASN1_type->buf,
 671                                        r->u.single_ASN1_type->len, 0);
 672
 673                             if (!ill_Request (rr->decode, &ill_req, 0, 0))
 674                             {
 675                                 yaz_log (LOG_LOG,
 676                                     "Couldn't decode ILLRequest %s near %d",
 677                                        odr_errmsg(odr_geterror(rr->decode)),
 678                                        odr_offset(rr->decode));
 679                                 yaz_log(LOG_LOG, "PDU dump:");
 680                                 odr_dumpBER(yaz_log_file(),
 681                                      r->u.single_ASN1_type->buf,
 682                                      r->u.single_ASN1_type->len);
 683                             }
 684                             if (rr->print)
 685                             {
 686                                 ill_Request (rr->print, &ill_req, 0,
 687                                     "ILLRequest");
 688                                 odr_reset (rr->print);
 689                             }
 690                         }
 691                     }
 692                 }
 693                 if (item_req)
 694                 {
 695                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 696                              *item_req->protocol_version_num);
 697                 }
 698             }
 699 #endif
 700         }
 701         break;
 702         }
 703     }
 704     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 705     {
 706         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 707         yaz_log (LOG_LOG, "Received DB Update");
 708         if (up->which == Z_IUUpdate_esRequest)
 709         {
 710             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 711             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 712             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 713
 714             yaz_log (LOG_LOG, "action");
 715             if (toKeep->action)
 716             {
 717                 switch (*toKeep->action)
 718                 {
 719                 case Z_IUOriginPartToKeep_recordInsert:
 720                     yaz_log (LOG_LOG, "recordInsert");
 721                     break;
 722                 case Z_IUOriginPartToKeep_recordReplace:
 723                     yaz_log (LOG_LOG, "recordUpdate");
 724                     break;
 725                 case Z_IUOriginPartToKeep_recordDelete:
 726                     yaz_log (LOG_LOG, "recordDelete");
 727                     break;
 728                 case Z_IUOriginPartToKeep_elementUpdate:
 729                     yaz_log (LOG_LOG, "elementUpdate");
 730                     break;
 731                 case Z_IUOriginPartToKeep_specialUpdate:
 732                     yaz_log (LOG_LOG, "specialUpdate");
 733                     break;
 734                 case Z_ESAdminOriginPartToKeep_shutdown:
 735                     yaz_log (LOG_LOG, "shutDown");
 736                     break;
 737                 case Z_ESAdminOriginPartToKeep_start:
 738                     yaz_log (LOG_LOG, "start");
 739                     break;
 740                 default:
 741                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 742                 }
 743             }
 744             if (toKeep->databaseName)
 745             {
 746                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 747                 if (!strcmp(toKeep->databaseName, "fault"))
 748                 {
 749                     rr->errcode = 109;
 750                     rr->errstring = toKeep->databaseName;
 751                 }
 752                 if (!strcmp(toKeep->databaseName, "accept"))
 753                     rr->errcode = -1;
 754             }
 755             if (notToKeep)
 756             {
 757                 int i;
 758                 for (i = 0; i < notToKeep->num; i++)
 759                 {
 760                     Z_External *rec = notToKeep->elements[i]->record;
 761
 762                     if (rec->direct_reference)
 763                     {
 764                         struct oident *oident;
 765                         oident = oid_getentbyoid(rec->direct_reference);
 766                         if (oident)
 767                             yaz_log (LOG_LOG, "record %d type %s", i,
 768                                      oident->desc);
 769                     }
 770                     switch (rec->which)
 771                     {
 772                     case Z_External_sutrs:
 773                         if (rec->u.octet_aligned->len > 170)
 774                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 775                                      rec->u.sutrs->len,
 776                                      rec->u.sutrs->buf);
 777                         else
 778                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 779                                      rec->u.sutrs->len,
 780                                      rec->u.sutrs->buf);
 781                         break;
 782                     case Z_External_octet:
 783                         if (rec->u.octet_aligned->len > 170)
 784                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 785                                      rec->u.octet_aligned->len,
 786                                      rec->u.octet_aligned->buf);
 787                         else
 788                             yaz_log (LOG_LOG, "%d bytes\n%s",
 789                                      rec->u.octet_aligned->len,
 790                                      rec->u.octet_aligned->buf);
 791                     }
 792                 }
 793             }
 794         }
 795     }
 796     else
 797     {
 798         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 799                  rr->esr->taskSpecificParameters->which);
 800
 801     }
 802     return 0;
 803 }
 804
 805 static void bend_start (struct statserv_options_block *sob)
 806 {
 807 #ifdef WIN32
 808
 809 #else
 810     if (!sob->inetd)
 811     {
 812         char *pidfile = "zebrasrv.pid";
 813         int fd = creat (pidfile, 0666);
 814         if (fd == -1)
 815             logf (LOG_WARN|LOG_ERRNO, "creat %s", pidfile);
 816         else
 817         {
 818             char pidstr[30];
 819
 820             sprintf (pidstr, "%ld", (long) getpid ());
 821             write (fd, pidstr, strlen(pidstr));
 822             close (fd);
 823         }
 824     }
 825 #endif
 826     if (sob->handle)
 827         zebra_stop((ZebraService) sob->handle);
 828     sob->handle = zebra_start(sob->configname);
 829 }
 830
 831 static void bend_stop(struct statserv_options_block *sob)
 832 {
 833     if (sob->handle)
 834     {
 835         ZebraService service = sob->handle;
 836         zebra_stop(service);
 837     }
 838 }
 839
 840 int main (int argc, char **argv)
 841 {
 842     struct statserv_options_block *sob;
 843
 844     sob = statserv_getcontrol ();
 845     strcpy (sob->configname, FNAME_CONFIG);
 846     sob->bend_start = bend_start;
 847     sob->bend_stop = bend_stop;
 848
 849     statserv_setcontrol (sob);
 850
 851     return statserv_main (argc, argv, bend_init, bend_close);
 852 }