index/zserver.c

   1 /*
   2  * Copyright (C) 1995-1999, Index Data
   3  * All rights reserved.
   4  * Sebastian Hammer, Adam Dickmeiss
   5  *
   6  * $Log: zserver.c,v $
   7  * Revision 1.77  2000-03-20 19:08:36  adam
   8  * Added remote record import using Z39.50 extended services and Segment
   9  * Requests.
  10  *
  11  * Revision 1.76  2000/03/15 15:00:31  adam
  12  * First work on threaded version.
  13  *
  14  * Revision 1.75  1999/11/30 13:48:04  adam
  15  * Improved installation. Updated for inclusion of YAZ header files.
  16  *
  17  * Revision 1.74  1999/11/29 15:13:26  adam
  18  * Server sets implementationName - and Version.
  19  *
  20  * Revision 1.73  1999/11/04 15:00:45  adam
  21  * Implemented delete result set(s).
  22  *
  23  * Revision 1.71  1999/07/14 10:59:26  adam
  24  * Changed functions isc_getmethod, isams_getmethod.
  25  * Improved fatal error handling (such as missing EXPLAIN schema).
  26  *
  27  * Revision 1.70  1999/06/10 12:14:56  adam
  28  * Fixed to use bend_start instead of pre_init.
  29  *
  30  * Revision 1.69  1999/06/10 09:20:03  adam
  31  * Minor change to pre_init handler.
  32  *
  33  * Revision 1.68  1999/05/26 07:49:13  adam
  34  * C++ compilation.
  35  *
  36  * Revision 1.67  1999/02/02 14:51:14  adam
  37  * Updated WIN32 code specific sections. Changed header.
  38  *
  39  * Revision 1.66  1998/10/28 10:54:41  adam
  40  * SDRKit integration.
  41  *
  42  * Revision 1.65  1998/10/18 07:54:54  adam
  43  * Additional info added for diagnostics 114 (Unsupported use attribute) and
  44  * 121 (Unsupported attribute set).
  45  *
  46  * Revision 1.64  1998/09/22 10:48:21  adam
  47  * Minor changes in search API.
  48  *
  49  * Revision 1.63  1998/09/02 13:53:21  adam
  50  * Extra parameter decode added to search routines to implement
  51  * persistent queries.
  52  *
  53  * Revision 1.62  1998/08/06 14:35:28  adam
  54  * Routine bend_deleterequest removed.
  55  *
  56  * Revision 1.61  1998/06/24 12:16:15  adam
  57  * Support for relations on text operands. Open range support in
  58  * DFA module (i.e. [-j], [g-]).
  59  *
  60  * Revision 1.60  1998/06/22 11:36:49  adam
  61  * Added authentication check facility to zebra.
  62  *
  63  * Revision 1.59  1998/06/12 12:22:13  adam
  64  * Work on Zebra API.
  65  *
  66  * Revision 1.58  1998/05/27 16:57:46  adam
  67  * Zebra returns surrogate diagnostic for single records when
  68  * appropriate.
  69  *
  70  * Revision 1.57  1998/04/03 14:45:18  adam
  71  * Fixed setting of last_in_set in bend_fetch.
  72  *
  73  * Revision 1.56  1998/03/05 08:45:13  adam
  74  * New result set model and modular ranking system. Moved towards
  75  * descent server API. System information stored as "SGML" records.
  76  *
  77  * Revision 1.55  1998/02/10 12:03:06  adam
  78  * Implemented Sort.
  79  *
  80  * Revision 1.54  1998/01/29 13:39:13  adam
  81  * Compress ISAM is default.
  82  *
  83  * Revision 1.53  1998/01/12 15:04:09  adam
  84  * The test option (-s) only uses read-lock (and not write lock).
  85  *
  86  * Revision 1.52  1997/11/18 10:05:08  adam
  87  * Changed character map facility so that admin can specify character
  88  * mapping files for each register type, w, p, etc.
  89  *
  90  * Revision 1.51  1997/10/27 14:33:06  adam
  91  * Moved towards generic character mapping depending on "structure"
  92  * field in abstract syntax file. Fixed a few memory leaks. Fixed
  93  * bug with negative integers when doing searches with relational
  94  * operators.
  95  *
  96  * Revision 1.50  1997/09/29 09:08:36  adam
  97  * Revised locking system to be thread safe for the server.
  98  *
  99  * Revision 1.49  1997/09/25 14:57:23  adam
 100  * Windows NT port.
 101  *
 102  * Revision 1.48  1997/09/17 12:19:19  adam
 103  * Zebra version corresponds to YAZ version 1.4.
 104  * Changed Zebra server so that it doesn't depend on global common_resource.
 105  *
 106  * Revision 1.47  1997/09/04 13:58:36  adam
 107  * New retrieve/extract method tellf (added).
 108  * Added O_BINARY for open calls.
 109  *
 110  * Revision 1.46  1997/07/28 08:30:47  adam
 111  * Server returns diagnostic 14 when record doesn't exist.
 112  *
 113  * Revision 1.45  1996/12/23 15:30:45  adam
 114  * Work on truncation.
 115  * Bug fix: result sets weren't deleted after server shut down.
 116  *
 117  * Revision 1.44  1996/12/11 12:08:01  adam
 118  * Added better compression.
 119  *
 120  * Revision 1.43  1996/11/15 15:03:58  adam
 121  * Logging of execution speed by using the times(2) call.
 122  *
 123  * Revision 1.42  1996/11/08  11:10:36  adam
 124  * Buffers used during file match got bigger.
 125  * Compressed ISAM support everywhere.
 126  * Bug fixes regarding masking characters in queries.
 127  * Redesigned Regexp-2 queries.
 128  *
 129  * Revision 1.41  1996/10/29 14:09:56  adam
 130  * Use of cisam system - enabled if setting isamc is 1.
 131  *
 132  * Revision 1.40  1996/06/04 10:19:02  adam
 133  * Minor changes - removed include of ctype.h.
 134  *
 135  * Revision 1.39  1996/05/31  09:07:05  quinn
 136  * Work on character-set handling
 137  *
 138  * Revision 1.38  1996/05/14  11:34:01  adam
 139  * Scan support in multiple registers/databases.
 140  *
 141  * Revision 1.37  1996/05/14  06:16:48  adam
 142  * Compact use/set bytes used in search service.
 143  *
 144  * Revision 1.36  1996/05/01 13:46:37  adam
 145  * First work on multiple records in one file.
 146  * New option, -offset, to the "unread" command in the filter module.
 147  *
 148  * Revision 1.35  1996/03/26  16:01:14  adam
 149  * New setting lockPath: directory of various lock files.
 150  *
 151  * Revision 1.34  1996/03/20  09:36:46  adam
 152  * Function dict_lookup_grep got extra parameter, init_pos, which marks
 153  * from which position in pattern approximate pattern matching should occur.
 154  * Approximate pattern matching is used in relevance=re-2.
 155  *
 156  * Revision 1.33  1996/01/17  14:57:56  adam
 157  * Prototype changed for reader functions in extract/retrieve. File
 158  *  is identified by 'void *' instead of 'int.
 159  *
 160  * Revision 1.32  1995/12/11  09:12:58  adam
 161  * The rec_get function returns NULL if record doesn't exist - will
 162  * happen in the server if the result set records have been deleted since
 163  * the creation of the set (i.e. the search).
 164  * The server saves a result temporarily if it is 'volatile', i.e. the
 165  * set is register dependent.
 166  *
 167  * Revision 1.31  1995/12/08  16:22:56  adam
 168  * Work on update while servers are running. Three lock files introduced.
 169  * The servers reload their registers when necessary, but they don't
 170  * reestablish result sets yet.
 171  *
 172  * Revision 1.30  1995/12/07  17:38:48  adam
 173  * Work locking mechanisms for concurrent updates/commit.
 174  *
 175  * Revision 1.29  1995/12/04  14:22:32  adam
 176  * Extra arg to recType_byName.
 177  * Started work on new regular expression parsed input to
 178  * structured records.
 179  *
 180  * Revision 1.28  1995/11/28  09:09:48  adam
 181  * Zebra config renamed.
 182  * Use setting 'recordId' to identify record now.
 183  * Bug fix in recindex.c: rec_release_blocks was invokeded even
 184  * though the blocks were already released.
 185  * File traversal properly deletes records when needed.
 186  *
 187  * Revision 1.27  1995/11/27  13:58:54  adam
 188  * New option -t. storeStore data implemented in server.
 189  *
 190  * Revision 1.26  1995/11/25  10:24:07  adam
 191  * More record fields - they are enumerated now.
 192  * New options: flagStoreData flagStoreKey.
 193  *
 194  * Revision 1.25  1995/11/21  15:29:13  adam
 195  * Config file 'base' read by default by both indexer and server.
 196  *
 197  * Revision 1.24  1995/11/20  16:59:47  adam
 198  * New update method: the 'old' keys are saved for each records.
 199  *
 200  * Revision 1.23  1995/11/16  17:00:56  adam
 201  * Better logging of rpn query.
 202  *
 203  * Revision 1.22  1995/11/16  15:34:55  adam
 204  * Uses new record management system in both indexer and server.
 205  *
 206  * Revision 1.21  1995/11/01  16:25:52  quinn
 207  * *** empty log message ***
 208  *
 209  * Revision 1.20  1995/10/27  14:00:12  adam
 210  * Implemented detection of database availability.
 211  *
 212  * Revision 1.19  1995/10/17  18:02:11  adam
 213  * New feature: databases. Implemented as prefix to words in dictionary.
 214  *
 215  * Revision 1.18  1995/10/16  14:03:09  quinn
 216  * Changes to support element set names and espec1
 217  *
 218  * Revision 1.17  1995/10/16  09:32:40  adam
 219  * More work on relational op.
 220  *
 221  * Revision 1.16  1995/10/13  12:26:44  adam
 222  * Optimization of truncation.
 223  *
 224  * Revision 1.15  1995/10/12  12:40:55  adam
 225  * Bug fixes in rpn_prox.
 226  *
 227  * Revision 1.14  1995/10/09  16:18:37  adam
 228  * Function dict_lookup_grep got extra client data parameter.
 229  *
 230  * Revision 1.13  1995/10/06  14:38:00  adam
 231  * New result set method: r_score.
 232  * Local no (sysno) and score is transferred to retrieveCtrl.
 233  *
 234  * Revision 1.12  1995/10/06  13:52:06  adam
 235  * Bug fixes. Handler may abort further scanning.
 236  *
 237  * Revision 1.11  1995/10/06  10:43:57  adam
 238  * Scan added. 'occurrences' in scan entries not set yet.
 239  *
 240  * Revision 1.10  1995/10/02  16:43:32  quinn
 241  * Set default resulting record type in fetch.
 242  *
 243  * Revision 1.9  1995/10/02  15:18:52  adam
 244  * New member in recRetrieveCtrl: diagnostic.
 245  *
 246  * Revision 1.8  1995/09/28  09:19:47  adam
 247  * xfree/xmalloc used everywhere.
 248  * Extract/retrieve method seems to work for text records.
 249  *
 250  * Revision 1.7  1995/09/27  16:17:32  adam
 251  * More work on retrieve.
 252  *
 253  * Revision 1.6  1995/09/08  08:53:22  adam
 254  * Record buffer maintained in server_info.
 255  *
 256  * Revision 1.5  1995/09/06  16:11:18  adam
 257  * Option: only one word key per file.
 258  *
 259  * Revision 1.4  1995/09/06  10:33:04  adam
 260  * More work on present. Some log messages removed.
 261  *
 262  * Revision 1.3  1995/09/05  15:28:40  adam
 263  * More work on search engine.
 264  *
 265  * Revision 1.2  1995/09/04  12:33:43  adam
 266  * Various cleanup. YAZ util used instead.
 267  *
 268  * Revision 1.1  1995/09/04  09:10:41  adam
 269  * More work on index add/del/update.
 270  * Merge sort implemented.
 271  * Initial work on z39 server.
 272  *
 273  */
 274
 275 #include <stdio.h>
 276 #include <assert.h>
 277 #include <fcntl.h>
 278 #ifdef WIN32
 279 #include <io.h>
 280 #include <process.h>
 281 #else
 282 #include <unistd.h>
 283 #endif
 284
 285 #include <yaz/data1.h>
 286 #ifdef ASN_COMPILED
 287 #include <yaz/ill.h>
 288 #endif
 289
 290 #include "zserver.h"
 291
 292 #ifndef ZEBRASDR
 293 #define ZEBRASDR 0
 294 #endif
 295 #if ZEBRASDR
 296 #include "zebrasdr.h"
 297 #endif
 298
 299 static int bend_sort (void *handle, bend_sort_rr *rr);
 300 static int bend_delete (void *handle, bend_delete_rr *rr);
 301 static int bend_esrequest (void *handle, bend_esrequest_rr *rr);
 302 static int bend_segment (void *handle, bend_segment_rr *rr);
 303
 304 bend_initresult *bend_init (bend_initrequest *q)
 305 {
 306     bend_initresult *r = (bend_initresult *)
 307         odr_malloc (q->stream, sizeof(*r));
 308     ZebraHandle zh;
 309     struct statserv_options_block *sob;
 310     char *user = NULL;
 311     char *passwd = NULL;
 312
 313     r->errcode = 0;
 314     r->errstring = 0;
 315     q->bend_sort = bend_sort;
 316     q->bend_delete = bend_delete;
 317     q->bend_esrequest = bend_esrequest;
 318     q->bend_segment = bend_segment;
 319
 320     q->implementation_name = "Z'mbol Information Server";
 321     q->implementation_version = "Z'mbol 1.0";
 322
 323     logf (LOG_DEBUG, "bend_init");
 324
 325     sob = statserv_getcontrol ();
 326     if (!(zh = zebra_open (sob->handle)))
 327     {
 328         logf (LOG_FATAL, "Failed to open Zebra `%s'", sob->configname);
 329         r->errcode = 1;
 330         return r;
 331     }
 332     if (q->auth)
 333     {
 334         if (q->auth->which == Z_IdAuthentication_open)
 335         {
 336             char *openpass = xstrdup (q->auth->u.open);
 337             char *cp = strchr (openpass, '/');
 338             if (cp)
 339             {
 340                 *cp = '\0';
 341                 user = nmem_strdup (odr_getmem (q->stream), openpass);
 342                 passwd = nmem_strdup (odr_getmem (q->stream), cp+1);
 343             }
 344             xfree (openpass);
 345         }
 346     }
 347     if (zebra_auth (zh->service, user, passwd))
 348     {
 349         r->errcode = 222;
 350         r->errstring = user;
 351         zebra_close (zh);
 352         return r;
 353     }
 354     r->handle = zh;
 355     return r;
 356 }
 357
 358 bend_searchresult *bend_search (void *handle, bend_searchrequest *q, int *fd)
 359 {
 360     ZebraHandle zh = (ZebraHandle) handle;
 361     bend_searchresult *r = (bend_searchresult *)
 362         odr_malloc (q->stream, sizeof(*r));
 363
 364     r->hits = 0;
 365     r->errcode = 0;
 366     r->errstring = NULL;
 367
 368     logf (LOG_LOG, "ResultSet '%s'", q->setname);
 369     switch (q->query->which)
 370     {
 371     case Z_Query_type_1: case Z_Query_type_101:
 372         zebra_search_rpn (zh, q->decode, q->stream, q->query->u.type_1,
 373                           q->num_bases, q->basenames, q->setname);
 374         r->errcode = zh->errCode;
 375         r->errstring = zh->errString;
 376         r->hits = zh->hits;
 377         break;
 378     case Z_Query_type_2:
 379         r->errcode = 107;
 380         r->errstring = "type-2";
 381         break;
 382     default:
 383         r->errcode = 107;
 384     }
 385     return r;
 386 }
 387
 388 bend_fetchresult *bend_fetch (void *handle, bend_fetchrequest *q, int *num)
 389 {
 390     ZebraHandle zh = (ZebraHandle) handle;
 391     bend_fetchresult *r = (bend_fetchresult *)
 392         odr_malloc (q->stream, sizeof(*r));
 393     ZebraRetrievalRecord retrievalRecord;
 394
 395     retrievalRecord.position = q->number;
 396
 397     r->last_in_set = 0;
 398     zebra_records_retrieve (zh, q->stream, q->setname, q->comp,
 399                             q->format, 1, &retrievalRecord);
 400     if (zh->errCode)                  /* non Surrogate Diagnostic */
 401     {
 402         r->errcode = zh->errCode;
 403         r->errstring = zh->errString;
 404     }
 405     else if (retrievalRecord.errCode) /* Surrogate Diagnostic */
 406     {
 407         q->surrogate_flag = 1;
 408         r->errcode = retrievalRecord.errCode;
 409         r->errstring = retrievalRecord.errString;
 410         r->basename = retrievalRecord.base;
 411     }
 412     else                              /* Database Record */
 413     {
 414         r->errcode = 0;
 415         r->basename = retrievalRecord.base;
 416         r->record = retrievalRecord.buf;
 417         r->len = retrievalRecord.len;
 418         r->format = retrievalRecord.format;
 419     }
 420     return r;
 421 }
 422
 423 bend_scanresult *bend_scan (void *handle, bend_scanrequest *q, int *num)
 424 {
 425     ZebraScanEntry *entries;
 426     ZebraHandle zh = (ZebraHandle) handle;
 427     bend_scanresult *r = (bend_scanresult *)
 428         odr_malloc (q->stream, sizeof(*r));
 429     int is_partial, i;
 430
 431     r->term_position = q->term_position;
 432     r->num_entries = q->num_entries;
 433
 434     r->entries = (struct scan_entry *)
 435         odr_malloc (q->stream, sizeof(*r->entries) * q->num_entries);
 436     zebra_scan (zh, q->stream, q->term,
 437                 q->attributeset,
 438                 q->num_bases, q->basenames,
 439                 &r->term_position,
 440                 &r->num_entries, &entries, &is_partial);
 441     if (is_partial)
 442         r->status = BEND_SCAN_PARTIAL;
 443     else
 444         r->status = BEND_SCAN_SUCCESS;
 445     for (i = 0; i < r->num_entries; i++)
 446     {
 447         r->entries[i].term = entries[i].term;
 448         r->entries[i].occurrences = entries[i].occurrences;
 449     }
 450     r->errcode = zh->errCode;
 451     r->errstring = zh->errString;
 452     return r;
 453 }
 454
 455 void bend_close (void *handle)
 456 {
 457     zebra_close ((ZebraHandle) handle);
 458 }
 459
 460 int bend_sort (void *handle, bend_sort_rr *rr)
 461 {
 462     ZebraHandle zh = (ZebraHandle) handle;
 463
 464     zebra_sort (zh, rr->stream,
 465                 rr->num_input_setnames, (const char **) rr->input_setnames,
 466                 rr->output_setname, rr->sort_sequence, &rr->sort_status);
 467     rr->errcode = zh->errCode;
 468     rr->errstring = zh->errString;
 469     return 0;
 470 }
 471
 472 int bend_delete (void *handle, bend_delete_rr *rr)
 473 {
 474     ZebraHandle zh = (ZebraHandle) handle;
 475
 476     rr->delete_status = zebra_deleleResultSet(zh, rr->function,
 477                                               rr->num_setnames, rr->setnames,
 478                                               rr->statuses);
 479     return 0;
 480 }
 481
 482 static int es_admin_request (ZebraHandle zh, Z_AdminEsRequest *r)
 483 {
 484     switch (r->toKeep->which)
 485     {
 486     case Z_ESAdminOriginPartToKeep_reIndex:
 487         yaz_log(LOG_LOG, "adm-reindex");
 488         break;
 489     case Z_ESAdminOriginPartToKeep_truncate:
 490         yaz_log(LOG_LOG, "adm-truncate");
 491         break;
 492     case Z_ESAdminOriginPartToKeep_delete:
 493         yaz_log(LOG_LOG, "adm-delete");
 494         break;
 495     case Z_ESAdminOriginPartToKeep_create:
 496         yaz_log(LOG_LOG, "adm-create");
 497         zebra_admin_create (zh, r->toKeep->databaseName);
 498         break;
 499     case Z_ESAdminOriginPartToKeep_import:
 500         yaz_log(LOG_LOG, "adm-import");
 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
 549     zebra_admin_import_segment (zh, rr->segment);
 550     return 0;
 551 }
 552
 553 int bend_esrequest (void *handle, bend_esrequest_rr *rr)
 554 {
 555     ZebraHandle zh = (ZebraHandle) handle;
 556
 557     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
 558     if (rr->esr->packageName)
 559         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
 560     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 561
 562     if (!rr->esr->taskSpecificParameters)
 563     {
 564         yaz_log (LOG_WARN, "No task specific parameters");
 565     }
 566     else if (rr->esr->taskSpecificParameters->which == Z_External_ESAdmin)
 567     {
 568         es_admin (zh, rr->esr->taskSpecificParameters->u.adminService);
 569         rr->errcode = zh->errCode;
 570         rr->errstring = zh->errString;
 571     }
 572     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 573     {
 574         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 575         yaz_log (LOG_LOG, "Received ItemOrder");
 576         switch (it->which)
 577         {
 578 #ifdef ASN_COMPILED
 579         case Z_IOItemOrder_esRequest:
 580 #else
 581         case Z_ItemOrder_esRequest:
 582 #endif
 583         {
 584             Z_IORequest *ir = it->u.esRequest;
 585             Z_IOOriginPartToKeep *k = ir->toKeep;
 586             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 587
 588             if (k && k->contact)
 589             {
 590                 if (k->contact->name)
 591                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
 592                 if (k->contact->phone)
 593                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
 594                 if (k->contact->email)
 595                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
 596             }
 597             if (k->addlBilling)
 598             {
 599                 yaz_log(LOG_LOG, "Billing info (not shown)");
 600             }
 601
 602             if (n->resultSetItem)
 603             {
 604                 yaz_log(LOG_LOG, "resultsetItem");
 605                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 606                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 607             }
 608 #ifdef ASN_COMPILED
 609             if (n->itemRequest)
 610             {
 611                 Z_External *r = (Z_External*) n->itemRequest;
 612                 ILL_ItemRequest *item_req = 0;
 613                 ILL_Request *ill_req = 0;
 614                 if (r->direct_reference)
 615                 {
 616                     oident *ent = oid_getentbyoid(r->direct_reference);
 617                     if (ent)
 618                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 619                     if (ent && ent->value == VAL_ISO_ILL_1)
 620                     {
 621                         yaz_log (LOG_LOG, "ItemRequest");
 622                         if (r->which == ODR_EXTERNAL_single)
 623                         {
 624                             odr_setbuf(rr->decode,
 625                                        r->u.single_ASN1_type->buf,
 626                                        r->u.single_ASN1_type->len, 0);
 627
 628                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 629                             {
 630                                 yaz_log (LOG_LOG,
 631                                     "Couldn't decode ItemRequest %s near %d",
 632                                        odr_errmsg(odr_geterror(rr->decode)),
 633                                        odr_offset(rr->decode));
 634                                 yaz_log(LOG_LOG, "PDU dump:");
 635                                 odr_dumpBER(log_file(),
 636                                      r->u.single_ASN1_type->buf,
 637                                      r->u.single_ASN1_type->len);
 638                             }
 639                             if (rr->print)
 640                             {
 641                                 ill_ItemRequest (rr->print, &item_req, 0,
 642                                     "ItemRequest");
 643                                 odr_reset (rr->print);
 644                             }
 645                         }
 646                         if (!item_req && r->which == ODR_EXTERNAL_single)
 647                         {
 648                             yaz_log (LOG_LOG, "ILLRequest");
 649                             odr_setbuf(rr->decode,
 650                                        r->u.single_ASN1_type->buf,
 651                                        r->u.single_ASN1_type->len, 0);
 652
 653                             if (!ill_Request (rr->decode, &ill_req, 0, 0))
 654                             {
 655                                 yaz_log (LOG_LOG,
 656                                     "Couldn't decode ILLRequest %s near %d",
 657                                        odr_errmsg(odr_geterror(rr->decode)),
 658                                        odr_offset(rr->decode));
 659                                 yaz_log(LOG_LOG, "PDU dump:");
 660                                 odr_dumpBER(log_file(),
 661                                      r->u.single_ASN1_type->buf,
 662                                      r->u.single_ASN1_type->len);
 663                             }
 664                             if (rr->print)
 665                             {
 666                                 ill_Request (rr->print, &ill_req, 0,
 667                                     "ILLRequest");
 668                                 odr_reset (rr->print);
 669                             }
 670                         }
 671                     }
 672                 }
 673                 if (item_req)
 674                 {
 675                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 676                              *item_req->protocol_version_num);
 677                 }
 678             }
 679 #endif
 680         }
 681         break;
 682         }
 683     }
 684     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 685     {
 686         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 687         yaz_log (LOG_LOG, "Received DB Update");
 688         if (up->which == Z_IUUpdate_esRequest)
 689         {
 690             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 691             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 692             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 693
 694             yaz_log (LOG_LOG, "action");
 695             if (toKeep->action)
 696             {
 697                 switch (*toKeep->action)
 698                 {
 699                 case Z_IUOriginPartToKeep_recordInsert:
 700                     yaz_log (LOG_LOG, "recordInsert");
 701                     break;
 702                 case Z_IUOriginPartToKeep_recordReplace:
 703                     yaz_log (LOG_LOG, "recordUpdate");
 704                     break;
 705                 case Z_IUOriginPartToKeep_recordDelete:
 706                     yaz_log (LOG_LOG, "recordDelete");
 707                     break;
 708                 case Z_IUOriginPartToKeep_elementUpdate:
 709                     yaz_log (LOG_LOG, "elementUpdate");
 710                     break;
 711                 case Z_IUOriginPartToKeep_specialUpdate:
 712                     yaz_log (LOG_LOG, "specialUpdate");
 713                     break;
 714                 case Z_ESAdminOriginPartToKeep_shutdown:
 715                     yaz_log (LOG_LOG, "shutDown");
 716                     break;
 717                 case Z_ESAdminOriginPartToKeep_start:
 718                     yaz_log (LOG_LOG, "start");
 719                     break;
 720                 default:
 721                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 722                 }
 723             }
 724             if (toKeep->databaseName)
 725             {
 726                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 727                 if (!strcmp(toKeep->databaseName, "fault"))
 728                 {
 729                     rr->errcode = 109;
 730                     rr->errstring = toKeep->databaseName;
 731                 }
 732                 if (!strcmp(toKeep->databaseName, "accept"))
 733                     rr->errcode = -1;
 734             }
 735             if (notToKeep)
 736             {
 737                 int i;
 738                 for (i = 0; i < notToKeep->num; i++)
 739                 {
 740                     Z_External *rec = notToKeep->elements[i]->record;
 741
 742                     if (rec->direct_reference)
 743                     {
 744                         struct oident *oident;
 745                         oident = oid_getentbyoid(rec->direct_reference);
 746                         if (oident)
 747                             yaz_log (LOG_LOG, "record %d type %s", i,
 748                                      oident->desc);
 749                     }
 750                     switch (rec->which)
 751                     {
 752                     case Z_External_sutrs:
 753                         if (rec->u.octet_aligned->len > 170)
 754                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 755                                      rec->u.sutrs->len,
 756                                      rec->u.sutrs->buf);
 757                         else
 758                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 759                                      rec->u.sutrs->len,
 760                                      rec->u.sutrs->buf);
 761                         break;
 762                     case Z_External_octet        :
 763                         if (rec->u.octet_aligned->len > 170)
 764                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 765                                      rec->u.octet_aligned->len,
 766                                      rec->u.octet_aligned->buf);
 767                         else
 768                             yaz_log (LOG_LOG, "%d bytes\n%s",
 769                                      rec->u.octet_aligned->len,
 770                                      rec->u.octet_aligned->buf);
 771                     }
 772                 }
 773             }
 774         }
 775     }
 776     else
 777     {
 778         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 779                  rr->esr->taskSpecificParameters->which);
 780
 781     }
 782     return 0;
 783 }
 784
 785 static void bend_start (struct statserv_options_block *sob)
 786 {
 787 #ifdef WIN32
 788
 789 #else
 790     if (!sob->inetd)
 791     {
 792         char *pidfile = "zebrasrv.pid";
 793         int fd = creat (pidfile, 0666);
 794         if (fd == -1)
 795             logf (LOG_WARN|LOG_ERRNO, "creat %s", pidfile);
 796         else
 797         {
 798             char pidstr[30];
 799
 800             sprintf (pidstr, "%ld", (long) getpid ());
 801             write (fd, pidstr, strlen(pidstr));
 802             close (fd);
 803         }
 804     }
 805 #endif
 806     if (sob->handle)
 807         zebra_stop((ZebraService) sob->handle);
 808     sob->handle = zebra_start(sob->configname);
 809 }
 810
 811 static void bend_stop(struct statserv_options_block *sob)
 812 {
 813     if (sob->handle)
 814     {
 815         ZebraService service = sob->handle;
 816         zebra_stop(service);
 817     }
 818 }
 819
 820 int main (int argc, char **argv)
 821 {
 822     struct statserv_options_block *sob;
 823
 824     sob = statserv_getcontrol ();
 825     strcpy (sob->configname, FNAME_CONFIG);
 826     sob->bend_start = bend_start;
 827     sob->bend_stop = bend_stop;
 828
 829     if (sob->dynamic)
 830     {
 831         sob->dynamic = 0;
 832         sob->threads = 1;
 833     }
 834     statserv_setcontrol (sob);
 835
 836     return statserv_main (argc, argv);
 837 }