ztest/ztest.c

   1 /*
   2  * Copyright (c) 1995-2001, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * NT Service interface by
   6  *    Chas Woodfield, Fretwell Downing Datasystems.
   7  *
   8  * $Log: ztest.c,v $
   9  * Revision 1.43  2001-06-28 09:27:25  adam
  10  * Number of Extended Services Requests logged.
  11  *
  12  * Revision 1.42  2001/04/06 12:26:46  adam
  13  * Optional CCL module. Moved atoi_n to marcdisp.h from yaz-util.h.
  14  *
  15  * Revision 1.41  2001/04/05 13:08:48  adam
  16  * New configure options: --enable-module.
  17  *
  18  * Revision 1.40  2001/03/25 21:55:13  adam
  19  * Added odr_intdup. Ztest server returns TaskPackage for ItemUpdate.
  20  *
  21  * Revision 1.39  2001/03/12 14:40:57  adam
  22  * Minor change of print of item update info.
  23  *
  24  * Revision 1.38  2001/02/21 13:46:54  adam
  25  * C++ fixes.
  26  *
  27  * Revision 1.37  2001/02/20 11:25:32  adam
  28  * Added ill_get_APDU and ill_get_Cancel.
  29  *
  30  * Revision 1.36  2001/01/30 21:34:18  adam
  31  * Added step-size for Scan backend interface.
  32  *
  33  * Revision 1.35  2000/11/23 10:58:33  adam
  34  * SSL comstack support. Separate POSIX thread support library.
  35  *
  36  * Revision 1.34  2000/09/04 08:58:15  adam
  37  * Added prefix yaz_ for most logging utility functions.
  38  *
  39  * Revision 1.33  2000/08/10 08:41:26  adam
  40  * Fixes for ILL.
  41  *
  42  * Revision 1.32  2000/04/05 07:39:55  adam
  43  * Added shared library support (libtool).
  44  *
  45  * Revision 1.31  2000/01/31 13:15:21  adam
  46  * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
  47  * that some characters are not surrounded by spaces in resulting term.
  48  * ILL-code updates.
  49  *
  50  * Revision 1.30  2000/01/13 23:05:50  adam
  51  * Fixed tagging for member requester-CHECKED-IN in ILL ASN.1 spec.
  52  *
  53  * Revision 1.29  2000/01/12 14:36:07  adam
  54  * Added printing stream (ODR) for backend functions.
  55  *
  56  * Revision 1.28  1999/12/16 23:36:19  adam
  57  * Implemented ILL protocol. Minor updates ASN.1 compiler.
  58  *
  59  * Revision 1.27  1999/11/30 13:47:12  adam
  60  * Improved installation. Moved header files to include/yaz.
  61  *
  62  * Revision 1.26  1999/08/27 09:40:32  adam
  63  * Renamed logf function to yaz_log. Removed VC++ project files.
  64  *
  65  * Revision 1.25  1999/06/01 14:29:12  adam
  66  * Work on Extended Services.
  67  *
  68  * Revision 1.24  1999/05/27 13:07:54  adam
  69  * Fix.
  70  *
  71  * Revision 1.23  1999/05/27 13:02:20  adam
  72  * Assigned OID for old DB Update (VAL_DBUPDATE0).
  73  *
  74  * Revision 1.22  1999/05/26 13:49:12  adam
  75  * DB Update implemented in client (very basic).
  76  *
  77  * Revision 1.21  1998/12/15 12:45:42  adam
  78  * Minor change.
  79  *
  80  * Revision 1.20  1998/12/14 14:48:05  adam
  81  * Fixed memory leak - happened when fetching MARC records.
  82  *
  83  * Revision 1.19  1998/10/20 15:16:22  adam
  84  * Minor change to prevent warning.
  85  *
  86  * Revision 1.18  1998/10/20 15:13:45  adam
  87  * Minor fix regarding output for Item Order.
  88  *
  89  * Revision 1.17  1998/10/18 22:33:35  quinn
  90  * Added diagnostic dump of Item Order Eservice.
  91  *
  92  * Revision 1.16  1998/10/15 08:26:23  adam
  93  * Added type cast to make C++ happy.
  94  *
  95  * Revision 1.15  1998/10/13 20:05:57  adam
  96  * Minor change.
  97  *
  98  * Revision 1.14  1998/10/13 16:12:25  adam
  99  * Added support for Surrogate Diagnostics for Scan Term entries.
 100  *
 101  * Revision 1.13  1998/08/19 16:10:09  adam
 102  * Changed som member names of DeleteResultSetRequest/Response.
 103  *
 104  * Revision 1.12  1998/07/20 12:38:44  adam
 105  * Implemented delete result set service to server API.
 106  *
 107  * Revision 1.11  1998/06/09 13:55:08  adam
 108  * Minor changes.
 109  *
 110  * Revision 1.10  1998/05/27 16:55:54  adam
 111  * Minor changes.
 112  *
 113  * Revision 1.9  1998/03/31 11:07:45  adam
 114  * Furhter work on UNIverse resource report.
 115  * Added Extended Services handling in frontend server.
 116  *
 117  * Revision 1.8  1998/02/11 11:53:36  adam
 118  * Changed code so that it compiles as C++.
 119  *
 120  * Revision 1.7  1998/02/10 11:03:57  adam
 121  * Added support for extended handlers in backend server interface.
 122  *
 123  * Revision 1.6  1998/01/29 13:16:02  adam
 124  * Added dummy sort in test server.
 125  *
 126  * Revision 1.5  1997/11/07 13:31:58  adam
 127  * Added NT Service name part of statserv_options_block. Moved NT
 128  * service utility to server library.
 129  *
 130  * Revision 1.4  1997/09/17 12:10:43  adam
 131  * YAZ version 1.4.
 132  *
 133  * Revision 1.3  1997/09/09 10:10:20  adam
 134  * Another MSV5.0 port. Changed projects to include proper
 135  * library/include paths.
 136  * Server starts server in test-mode when no options are given.
 137  *
 138  * Revision 1.2  1997/09/04 13:50:31  adam
 139  * Bug fix in ztest.
 140  *
 141  */
 142
 143 /*
 144  * Demonstration of simple server
 145  */
 146
 147 #include <stdio.h>
 148 #include <stdlib.h>
 149 #include <ctype.h>
 150
 151 #include <yaz/backend.h>
 152 #include <yaz/log.h>
 153
 154 #if YAZ_MODULE_ill
 155 #include <yaz/ill.h>
 156 #endif
 157
 158 Z_GenericRecord *read_grs1(FILE *f, ODR o);
 159
 160 int ztest_search (void *handle, bend_search_rr *rr);
 161 int ztest_sort (void *handle, bend_sort_rr *rr);
 162 int ztest_present (void *handle, bend_present_rr *rr);
 163 int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
 164 int ztest_delete (void *handle, bend_delete_rr *rr);
 165
 166 int ztest_search (void *handle, bend_search_rr *rr)
 167 {
 168     rr->hits = rand() % 22;
 169     return 0;
 170 }
 171
 172 int ztest_present (void *handle, bend_present_rr *rr)
 173 {
 174     return 0;
 175 }
 176
 177 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
 178 {
 179     int *counter = handle;  /* user-defined handle - created in bend_init */
 180
 181     yaz_log(LOG_LOG, "ESRequest no %d", *counter);
 182
 183     (*counter)++;
 184
 185     if (rr->esr->packageName)
 186         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
 187     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 188
 189
 190     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
 191
 192     if (!rr->esr->taskSpecificParameters)
 193     {
 194         yaz_log (LOG_WARN, "No task specific parameters");
 195     }
 196     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 197     {
 198         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 199         yaz_log (LOG_LOG, "Received ItemOrder");
 200         switch (it->which)
 201         {
 202 #ifdef ASN_COMPILED
 203         case Z_IOItemOrder_esRequest:
 204 #else
 205         case Z_ItemOrder_esRequest:
 206 #endif
 207         {
 208             Z_IORequest *ir = it->u.esRequest;
 209             Z_IOOriginPartToKeep *k = ir->toKeep;
 210             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 211
 212             if (k && k->contact)
 213             {
 214                 if (k->contact->name)
 215                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
 216                 if (k->contact->phone)
 217                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
 218                 if (k->contact->email)
 219                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
 220             }
 221             if (k->addlBilling)
 222             {
 223                 yaz_log(LOG_LOG, "Billing info (not shown)");
 224             }
 225
 226             if (n->resultSetItem)
 227             {
 228                 yaz_log(LOG_LOG, "resultsetItem");
 229                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 230                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 231             }
 232 #if YAZ_MODULE_ill
 233             if (n->itemRequest)
 234             {
 235                 Z_External *r = (Z_External*) n->itemRequest;
 236                 ILL_ItemRequest *item_req = 0;
 237                 ILL_APDU *ill_apdu = 0;
 238                 if (r->direct_reference)
 239                 {
 240                     oident *ent = oid_getentbyoid(r->direct_reference);
 241                     if (ent)
 242                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 243                     if (ent && ent->value == VAL_TEXT_XML)
 244                     {
 245                         yaz_log (LOG_LOG, "ILL XML request");
 246                         if (r->which == Z_External_octet)
 247                             yaz_log (LOG_LOG, "%.*s", r->u.octet_aligned->len,
 248                                      r->u.octet_aligned->buf);
 249                     }
 250                     if (ent && ent->value == VAL_ISO_ILL_1)
 251                     {
 252                         yaz_log (LOG_LOG, "Decode ItemRequest begin");
 253                         if (r->which == ODR_EXTERNAL_single)
 254                         {
 255                             odr_setbuf(rr->decode,
 256                                        (char *) r->u.single_ASN1_type->buf,
 257                                        r->u.single_ASN1_type->len, 0);
 258
 259                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 260                             {
 261                                 yaz_log (LOG_LOG,
 262                                     "Couldn't decode ItemRequest %s near %d",
 263                                        odr_errmsg(odr_geterror(rr->decode)),
 264                                        odr_offset(rr->decode));
 265 #if 0
 266                                 yaz_log(LOG_LOG, "PDU dump:");
 267                                 odr_dumpBER(yaz_log_file(),
 268                                      r->u.single_ASN1_type->buf,
 269                                      r->u.single_ASN1_type->len);
 270 #endif
 271                             }
 272                             else
 273                                 yaz_log(LOG_LOG, "Decode ItemRequest OK");
 274                             if (rr->print)
 275                             {
 276                                 ill_ItemRequest (rr->print, &item_req, 0,
 277                                     "ItemRequest");
 278                                 odr_reset (rr->print);
 279                             }
 280                         }
 281                         if (!item_req && r->which == ODR_EXTERNAL_single)
 282                         {
 283                             yaz_log (LOG_LOG, "Decode ILL APDU begin");
 284                             odr_setbuf(rr->decode,
 285                                        (char*) r->u.single_ASN1_type->buf,
 286                                        r->u.single_ASN1_type->len, 0);
 287
 288                             if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
 289                             {
 290                                 yaz_log (LOG_LOG,
 291                                     "Couldn't decode ILL APDU %s near %d",
 292                                        odr_errmsg(odr_geterror(rr->decode)),
 293                                        odr_offset(rr->decode));
 294                                 yaz_log(LOG_LOG, "PDU dump:");
 295                                 odr_dumpBER(yaz_log_file(),
 296                                      (char *) r->u.single_ASN1_type->buf,
 297                                      r->u.single_ASN1_type->len);
 298                             }
 299                             else
 300                                 yaz_log(LOG_LOG, "Decode ILL APDU OK");
 301                             if (rr->print)
 302                             {
 303                                 ill_APDU (rr->print, &ill_apdu, 0,
 304                                     "ILL APDU");
 305                                 odr_reset (rr->print);
 306                             }
 307                         }
 308                     }
 309                 }
 310                 if (item_req)
 311                 {
 312                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 313                              *item_req->protocol_version_num);
 314                 }
 315             }
 316 #endif
 317         }
 318         break;
 319         }
 320     }
 321     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 322     {
 323         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 324         yaz_log (LOG_LOG, "Received DB Update");
 325         if (up->which == Z_IUUpdate_esRequest)
 326         {
 327             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 328             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 329             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 330
 331             yaz_log (LOG_LOG, "action");
 332             if (toKeep->action)
 333             {
 334                 switch (*toKeep->action)
 335                 {
 336                 case Z_IUOriginPartToKeep_recordInsert:
 337                     yaz_log (LOG_LOG, " recordInsert");
 338                     break;
 339                 case Z_IUOriginPartToKeep_recordReplace:
 340                     yaz_log (LOG_LOG, " recordReplace");
 341                     break;
 342                 case Z_IUOriginPartToKeep_recordDelete:
 343                     yaz_log (LOG_LOG, " recordDelete");
 344                     break;
 345                 case Z_IUOriginPartToKeep_elementUpdate:
 346                     yaz_log (LOG_LOG, " elementUpdate");
 347                     break;
 348                 case Z_IUOriginPartToKeep_specialUpdate:
 349                     yaz_log (LOG_LOG, " specialUpdate");
 350                     break;
 351                 default:
 352                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 353                 }
 354             }
 355             if (toKeep->databaseName)
 356             {
 357                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 358                 if (!strcmp(toKeep->databaseName, "fault"))
 359                 {
 360                     rr->errcode = 109;
 361                     rr->errstring = toKeep->databaseName;
 362                 }
 363                 if (!strcmp(toKeep->databaseName, "accept"))
 364                     rr->errcode = -1;
 365             }
 366             if (toKeep)
 367             {
 368                 Z_External *ext = odr_malloc (rr->stream, sizeof(*ext));
 369                 Z_IUOriginPartToKeep *keep =
 370                     odr_malloc (rr->stream, sizeof(*keep));
 371                 Z_IUTargetPart *targetPart =
 372                     odr_malloc (rr->stream, sizeof(*targetPart));
 373                 rr->taskPackage = odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 374                 rr->taskPackage->packageType =
 375                     odr_oiddup (rr->stream, rr->esr->packageType);
 376                 rr->taskPackage->packageName = 0;
 377                 rr->taskPackage->userId = 0;
 378                 rr->taskPackage->retentionTime = 0;
 379                 rr->taskPackage->permissions = 0;
 380                 rr->taskPackage->description = 0;
 381                 rr->taskPackage->targetReference = (Odr_oct *)
 382                     odr_malloc (rr->stream, sizeof(Odr_oct));
 383                 rr->taskPackage->targetReference->buf =
 384                     odr_strdup (rr->stream, "123");
 385                 rr->taskPackage->targetReference->len =
 386                     rr->taskPackage->targetReference->size =
 387                     strlen(rr->taskPackage->targetReference->buf);
 388                 rr->taskPackage->creationDateTime = 0;
 389                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 390                 rr->taskPackage->packageDiagnostics = 0;
 391                 rr->taskPackage->taskSpecificParameters = ext;
 392
 393                 ext->direct_reference =
 394                     odr_oiddup (rr->stream, rr->esr->packageType);
 395                 ext->indirect_reference = 0;
 396                 ext->descriptor = 0;
 397                 ext->which = Z_External_update;
 398                 ext->u.update = (Z_IUUpdate *)
 399                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 400                 ext->u.update->which = Z_IUUpdate_taskPackage;
 401                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 402                     odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
 403                 ext->u.update->u.taskPackage->originPart = keep;
 404                 ext->u.update->u.taskPackage->targetPart = targetPart;
 405
 406                 keep->action = odr_malloc (rr->stream, sizeof(int));
 407                 *keep->action = *toKeep->action;
 408                 keep->databaseName =
 409                     odr_strdup (rr->stream, toKeep->databaseName);
 410                 keep->schema = 0;
 411                 keep->elementSetName = 0;
 412                 keep->actionQualifier = 0;
 413
 414                 targetPart->updateStatus = odr_intdup (rr->stream, 1);
 415                 targetPart->num_globalDiagnostics = 0;
 416                 targetPart->globalDiagnostics = odr_nullval();
 417                 targetPart->num_taskPackageRecords = 0;
 418                 targetPart->taskPackageRecords = odr_nullval();
 419             }
 420             if (notToKeep)
 421             {
 422                 int i;
 423                 for (i = 0; i < notToKeep->num; i++)
 424                 {
 425                     Z_External *rec = notToKeep->elements[i]->record;
 426
 427                     if (rec->direct_reference)
 428                     {
 429                         struct oident *oident;
 430                         oident = oid_getentbyoid(rec->direct_reference);
 431                         if (oident)
 432                             yaz_log (LOG_LOG, "record %d type %s", i,
 433                                      oident->desc);
 434                     }
 435                     switch (rec->which)
 436                     {
 437                     case Z_External_sutrs:
 438                         if (rec->u.octet_aligned->len > 170)
 439                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 440                                      rec->u.sutrs->len,
 441                                      rec->u.sutrs->buf);
 442                         else
 443                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 444                                      rec->u.sutrs->len,
 445                                      rec->u.sutrs->buf);
 446                         break;
 447                     case Z_External_octet        :
 448                         if (rec->u.octet_aligned->len > 170)
 449                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 450                                      rec->u.octet_aligned->len,
 451                                      rec->u.octet_aligned->buf);
 452                         else
 453                             yaz_log (LOG_LOG, "%d bytes\n%s",
 454                                      rec->u.octet_aligned->len,
 455                                      rec->u.octet_aligned->buf);
 456                     }
 457                 }
 458             }
 459         }
 460     }
 461     else
 462     {
 463         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 464                  rr->esr->taskSpecificParameters->which);
 465
 466     }
 467     return 0;
 468 }
 469
 470 int ztest_delete (void *handle, bend_delete_rr *rr)
 471 {
 472     if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
 473         rr->delete_status = Z_DeleteStatus_success;
 474     else
 475         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 476     return 0;
 477 }
 478
 479 /* Our sort handler really doesn't sort... */
 480 int ztest_sort (void *handle, bend_sort_rr *rr)
 481 {
 482     rr->errcode = 0;
 483     rr->sort_status = Z_SortStatus_success;
 484     return 0;
 485 }
 486
 487 static int atoin (const char *buf, int n)
 488 {
 489     int val = 0;
 490     while (--n >= 0)
 491     {
 492         if (isdigit(*buf))
 493             val = val*10 + (*buf - '0');
 494         buf++;
 495     }
 496     return val;
 497 }
 498
 499 char *marc_read(FILE *inf, ODR odr)
 500 {
 501     char length_str[5];
 502     size_t size;
 503     char *buf;
 504
 505     if (fread (length_str, 1, 5, inf) != 5)
 506         return NULL;
 507     size = atoin (length_str, 5);
 508     if (size <= 6)
 509         return NULL;
 510     if (!(buf = (char*) odr_malloc (odr, size+1)))
 511         return NULL;
 512     if (fread (buf+5, 1, size-5, inf) != (size-5))
 513     {
 514         xfree (buf);
 515         return NULL;
 516     }
 517     memcpy (buf, length_str, 5);
 518     buf[size] = '\0';
 519     return buf;
 520 }
 521
 522 static char *dummy_database_record (int num, ODR odr)
 523 {
 524     FILE *inf = fopen ("dummy-records", "r");
 525     char *buf = 0;
 526
 527     if (!inf)
 528         return NULL;
 529     while (--num >= 0)
 530     {
 531         if (num == 98)
 532         {
 533             buf = (char*) odr_malloc(odr, 2101);
 534             memset(buf, 'A', 2100);
 535             buf[2100] = '\0';
 536             break;
 537         }
 538         else
 539             buf = marc_read (inf, odr);
 540         if (!num || !buf)
 541             break;
 542     }
 543     fclose(inf);
 544     if (num < 0)
 545         return 0;
 546     return buf;
 547 }
 548
 549 static Z_GenericRecord *dummy_grs_record (int num, ODR o)
 550 {
 551     FILE *f = fopen("dummy-grs", "r");
 552     char line[512];
 553     Z_GenericRecord *r = 0;
 554     int n;
 555
 556     if (!f)
 557         return 0;
 558     while (fgets(line, 512, f))
 559         if (*line == '#' && sscanf(line, "#%d", &n) == 1 && n == num)
 560         {
 561             r = read_grs1(f, o);
 562             break;
 563         }
 564     fclose(f);
 565     return r;
 566 }
 567
 568 int ztest_fetch(void *handle, bend_fetch_rr *r)
 569 {
 570     char *cp;
 571     r->errstring = 0;
 572     r->last_in_set = 0;
 573     r->basename = "DUMMY";
 574     r->output_format = r->request_format;
 575     if (r->request_format == VAL_SUTRS)
 576     {
 577 #if 0
 578 /* this section returns a huge record (for testing non-blocking write, etc) */
 579         r->len = 980000;
 580         r->record = odr_malloc (r->stream, r->len);
 581         memset (r->record, 'x', r->len);
 582 #else
 583 /* this section returns a small record */
 584         char buf[100];
 585
 586         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 587
 588         r->len = strlen(buf);
 589         r->record = (char *) odr_malloc (r->stream, r->len+1);
 590         strcpy(r->record, buf);
 591 #endif
 592     }
 593     else if (r->request_format == VAL_GRS1)
 594     {
 595         r->len = -1;
 596         r->record = (char*) dummy_grs_record(r->number, r->stream);
 597         if (!r->record)
 598         {
 599             r->errcode = 13;
 600             return 0;
 601         }
 602     }
 603     else if ((cp = dummy_database_record(r->number, r->stream)))
 604     {
 605         r->len = strlen(cp);
 606         r->record = cp;
 607         r->output_format = VAL_USMARC;
 608     }
 609     else
 610     {
 611         r->errcode = 13;
 612         return 0;
 613     }
 614     r->errcode = 0;
 615     return 0;
 616 }
 617
 618 /*
 619  * silly dummy-scan what reads words from a file.
 620  */
 621 int ztest_scan(void *handle, bend_scan_rr *q)
 622 {
 623     static FILE *f = 0;
 624     static struct scan_entry list[200];
 625     static char entries[200][80];
 626     int hits[200];
 627     char term[80], *p;
 628     int i, pos;
 629     int term_position_req = q->term_position;
 630     int num_entries_req = q->num_entries;
 631
 632     q->errcode = 0;
 633     q->errstring = 0;
 634     q->entries = list;
 635     q->status = BEND_SCAN_SUCCESS;
 636     if (!f && !(f = fopen("dummy-words", "r")))
 637     {
 638         perror("dummy-words");
 639         exit(1);
 640     }
 641     if (q->term->term->which != Z_Term_general)
 642     {
 643         q->errcode = 229; /* unsupported term type */
 644         return 0;
 645     }
 646     if (*q->step_size != 0)
 647     {
 648         q->errcode = 205; /*Only zero step size supported for Scan */
 649         return 0;
 650     }
 651     if (q->term->term->u.general->len >= 80)
 652     {
 653         q->errcode = 11; /* term too long */
 654         return 0;
 655     }
 656     if (q->num_entries > 200)
 657     {
 658         q->errcode = 31;
 659         return 0;
 660     }
 661     memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
 662     term[q->term->term->u.general->len] = '\0';
 663     for (p = term; *p; p++)
 664         if (islower(*p))
 665             *p = toupper(*p);
 666
 667     fseek(f, 0, SEEK_SET);
 668     q->num_entries = 0;
 669
 670     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 671         i++, pos < 199 ? pos++ : (pos = 0))
 672     {
 673         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 674         {
 675             if ((q->term_position = term_position_req) > i + 1)
 676             {
 677                 q->term_position = i + 1;
 678                 q->status = BEND_SCAN_PARTIAL;
 679             }
 680             for (; q->num_entries < q->term_position; q->num_entries++)
 681             {
 682                 int po;
 683
 684                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 685                 if (po < 0)
 686                     po += 200;
 687
 688                 if (!strcmp (term, "SD") && q->num_entries == 2)
 689                 {
 690                     list[q->num_entries].term = entries[pos];
 691                     list[q->num_entries].occurrences = -1;
 692                     list[q->num_entries].errcode = 233;
 693                     list[q->num_entries].errstring = "SD for Scan Term";
 694                 }
 695                 else
 696                 {
 697                     list[q->num_entries].term = entries[po];
 698                     list[q->num_entries].occurrences = hits[po];
 699                 }
 700             }
 701         }
 702         else if (q->num_entries)
 703         {
 704             list[q->num_entries].term = entries[pos];
 705             list[q->num_entries].occurrences = hits[pos];
 706             q->num_entries++;
 707         }
 708         if (q->num_entries >= num_entries_req)
 709             break;
 710     }
 711     if (feof(f))
 712         q->status = BEND_SCAN_PARTIAL;
 713     return 0;
 714 }
 715
 716 bend_initresult *bend_init(bend_initrequest *q)
 717 {
 718     bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 719     int *counter = (int *) xmalloc (sizeof(int));
 720
 721     *counter = 0;
 722     r->errcode = 0;
 723     r->errstring = 0;
 724     r->handle = counter;         /* user handle, in this case a simple int */
 725     q->bend_sort = ztest_sort;              /* register sort handler */
 726     q->bend_search = ztest_search;          /* register search handler */
 727     q->bend_present = ztest_present;        /* register present handle */
 728     q->bend_esrequest = ztest_esrequest;
 729     q->bend_delete = ztest_delete;
 730     q->bend_fetch = ztest_fetch;
 731     q->bend_scan = ztest_scan;
 732     return r;
 733 }
 734
 735 void bend_close(void *handle)
 736 {
 737     xfree (handle);              /* release our user-defined handle */
 738     return;
 739 }
 740
 741 int main(int argc, char **argv)
 742 {
 743     return statserv_main(argc, argv, bend_init, bend_close);
 744 }