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