ztest/ztest.c

   1 /*
   2  * Copyright (c) 1995-2002, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: ztest.c,v 1.49 2002-01-21 12:54:06 adam Exp $
   6  */
   7
   8 /*
   9  * Demonstration of simple server
  10  */
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <ctype.h>
  15
  16 #include <yaz/backend.h>
  17 #include <yaz/log.h>
  18
  19 #if YAZ_MODULE_ill
  20 #include <yaz/ill.h>
  21 #endif
  22
  23 Z_GenericRecord *read_grs1(FILE *f, ODR o);
  24
  25 int ztest_search (void *handle, bend_search_rr *rr);
  26 int ztest_sort (void *handle, bend_sort_rr *rr);
  27 int ztest_present (void *handle, bend_present_rr *rr);
  28 int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
  29 int ztest_delete (void *handle, bend_delete_rr *rr);
  30
  31 int ztest_search (void *handle, bend_search_rr *rr)
  32 {
  33     if (rr->num_bases != 1)
  34     {
  35         rr->errcode = 23;
  36         return 0;
  37     }
  38     if (strcmp (rr->basenames[0], "Default"))
  39     {
  40         rr->errcode = 109;
  41         rr->errstring = rr->basenames[0];
  42         return 0;
  43     }
  44     rr->hits = rand() % 22;
  45     return 0;
  46 }
  47
  48 int ztest_present (void *handle, bend_present_rr *rr)
  49 {
  50     return 0;
  51 }
  52
  53 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
  54 {
  55     /* user-defined handle - created in bend_init */
  56     int *counter = (int*) handle;
  57
  58     yaz_log(LOG_LOG, "ESRequest no %d", *counter);
  59
  60     (*counter)++;
  61
  62     if (rr->esr->packageName)
  63         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
  64     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
  65
  66
  67     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
  68
  69     if (!rr->esr->taskSpecificParameters)
  70     {
  71         yaz_log (LOG_WARN, "No task specific parameters");
  72     }
  73     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
  74     {
  75         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
  76         yaz_log (LOG_LOG, "Received ItemOrder");
  77         if (it->which == Z_IOItemOrder_esRequest)
  78         {
  79             Z_IORequest *ir = it->u.esRequest;
  80             Z_IOOriginPartToKeep *k = ir->toKeep;
  81             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
  82
  83             if (k && k->contact)
  84             {
  85                 if (k->contact->name)
  86                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
  87                 if (k->contact->phone)
  88                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
  89                 if (k->contact->email)
  90                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
  91             }
  92             if (k->addlBilling)
  93             {
  94                 yaz_log(LOG_LOG, "Billing info (not shown)");
  95             }
  96
  97             if (n->resultSetItem)
  98             {
  99                 yaz_log(LOG_LOG, "resultsetItem");
 100                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 101                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 102             }
 103 #if YAZ_MODULE_ill
 104             if (n->itemRequest)
 105             {
 106                 Z_External *r = (Z_External*) n->itemRequest;
 107                 ILL_ItemRequest *item_req = 0;
 108                 ILL_APDU *ill_apdu = 0;
 109                 if (r->direct_reference)
 110                 {
 111                     oident *ent = oid_getentbyoid(r->direct_reference);
 112                     if (ent)
 113                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 114                     if (ent && ent->value == VAL_TEXT_XML)
 115                     {
 116                         yaz_log (LOG_LOG, "ILL XML request");
 117                         if (r->which == Z_External_octet)
 118                             yaz_log (LOG_LOG, "%.*s", r->u.octet_aligned->len,
 119                                      r->u.octet_aligned->buf);
 120                     }
 121                     if (ent && ent->value == VAL_ISO_ILL_1)
 122                     {
 123                         yaz_log (LOG_LOG, "Decode ItemRequest begin");
 124                         if (r->which == ODR_EXTERNAL_single)
 125                         {
 126                             odr_setbuf(rr->decode,
 127                                        (char *) r->u.single_ASN1_type->buf,
 128                                        r->u.single_ASN1_type->len, 0);
 129
 130                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 131                             {
 132                                 yaz_log (LOG_LOG,
 133                                     "Couldn't decode ItemRequest %s near %d",
 134                                        odr_errmsg(odr_geterror(rr->decode)),
 135                                        odr_offset(rr->decode));
 136                             }
 137                             else
 138                                 yaz_log(LOG_LOG, "Decode ItemRequest OK");
 139                             if (rr->print)
 140                             {
 141                                 ill_ItemRequest (rr->print, &item_req, 0,
 142                                     "ItemRequest");
 143                                 odr_reset (rr->print);
 144                             }
 145                         }
 146                         if (!item_req && r->which == ODR_EXTERNAL_single)
 147                         {
 148                             yaz_log (LOG_LOG, "Decode ILL APDU begin");
 149                             odr_setbuf(rr->decode,
 150                                        (char*) r->u.single_ASN1_type->buf,
 151                                        r->u.single_ASN1_type->len, 0);
 152
 153                             if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
 154                             {
 155                                 yaz_log (LOG_LOG,
 156                                     "Couldn't decode ILL APDU %s near %d",
 157                                        odr_errmsg(odr_geterror(rr->decode)),
 158                                        odr_offset(rr->decode));
 159                                 yaz_log(LOG_LOG, "PDU dump:");
 160                                 odr_dumpBER(yaz_log_file(),
 161                                      (char *) r->u.single_ASN1_type->buf,
 162                                      r->u.single_ASN1_type->len);
 163                             }
 164                             else
 165                                 yaz_log(LOG_LOG, "Decode ILL APDU OK");
 166                             if (rr->print)
 167                             {
 168                                 ill_APDU (rr->print, &ill_apdu, 0,
 169                                     "ILL APDU");
 170                                 odr_reset (rr->print);
 171                             }
 172                         }
 173                     }
 174                 }
 175                 if (item_req)
 176                 {
 177                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 178                              *item_req->protocol_version_num);
 179                 }
 180             }
 181 #endif
 182             if (k)
 183             {
 184
 185                 Z_External *ext = (Z_External *)
 186                     odr_malloc (rr->stream, sizeof(*ext));
 187                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 188                     odr_malloc (rr->stream, sizeof(*keep));
 189                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 190                     odr_malloc (rr->stream, sizeof(*targetPart));
 191
 192                 rr->taskPackage = (Z_TaskPackage *)
 193                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 194                 rr->taskPackage->packageType =
 195                     odr_oiddup (rr->stream, rr->esr->packageType);
 196                 rr->taskPackage->packageName = 0;
 197                 rr->taskPackage->userId = 0;
 198                 rr->taskPackage->retentionTime = 0;
 199                 rr->taskPackage->permissions = 0;
 200                 rr->taskPackage->description = 0;
 201                 rr->taskPackage->targetReference = (Odr_oct *)
 202                     odr_malloc (rr->stream, sizeof(Odr_oct));
 203                 rr->taskPackage->targetReference->buf =
 204                     (unsigned char *) odr_strdup (rr->stream, "911");
 205                 rr->taskPackage->targetReference->len =
 206                     rr->taskPackage->targetReference->size =
 207                     strlen((char *) (rr->taskPackage->targetReference->buf));
 208                 rr->taskPackage->creationDateTime = 0;
 209                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 210                 rr->taskPackage->packageDiagnostics = 0;
 211                 rr->taskPackage->taskSpecificParameters = ext;
 212
 213                 ext->direct_reference =
 214                     odr_oiddup (rr->stream, rr->esr->packageType);
 215                 ext->indirect_reference = 0;
 216                 ext->descriptor = 0;
 217                 ext->which = Z_External_itemOrder;
 218                 ext->u.itemOrder = (Z_ItemOrder *)
 219                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 220                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 221                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 222                     odr_malloc (rr->stream, sizeof(Z_IOTaskPackage));
 223                 ext->u.itemOrder->u.taskPackage->originPart = k;
 224                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 225
 226                 targetPart->itemRequest = 0;
 227                 targetPart->statusOrErrorReport = 0;
 228                 targetPart->auxiliaryStatus = 0;
 229             }
 230         }
 231     }
 232     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 233     {
 234         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 235         yaz_log (LOG_LOG, "Received DB Update");
 236         if (up->which == Z_IUUpdate_esRequest)
 237         {
 238             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 239             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 240             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 241
 242             yaz_log (LOG_LOG, "action");
 243             if (toKeep->action)
 244             {
 245                 switch (*toKeep->action)
 246                 {
 247                 case Z_IUOriginPartToKeep_recordInsert:
 248                     yaz_log (LOG_LOG, " recordInsert");
 249                     break;
 250                 case Z_IUOriginPartToKeep_recordReplace:
 251                     yaz_log (LOG_LOG, " recordReplace");
 252                     break;
 253                 case Z_IUOriginPartToKeep_recordDelete:
 254                     yaz_log (LOG_LOG, " recordDelete");
 255                     break;
 256                 case Z_IUOriginPartToKeep_elementUpdate:
 257                     yaz_log (LOG_LOG, " elementUpdate");
 258                     break;
 259                 case Z_IUOriginPartToKeep_specialUpdate:
 260                     yaz_log (LOG_LOG, " specialUpdate");
 261                     break;
 262                 default:
 263                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 264                 }
 265             }
 266             if (toKeep->databaseName)
 267             {
 268                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 269                 if (!strcmp(toKeep->databaseName, "fault"))
 270                 {
 271                     rr->errcode = 109;
 272                     rr->errstring = toKeep->databaseName;
 273                 }
 274                 if (!strcmp(toKeep->databaseName, "accept"))
 275                     rr->errcode = -1;
 276             }
 277             if (toKeep)
 278             {
 279                 Z_External *ext = (Z_External *)
 280                     odr_malloc (rr->stream, sizeof(*ext));
 281                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 282                     odr_malloc (rr->stream, sizeof(*keep));
 283                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 284                     odr_malloc (rr->stream, sizeof(*targetPart));
 285
 286                 rr->taskPackage = (Z_TaskPackage *)
 287                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 288                 rr->taskPackage->packageType =
 289                     odr_oiddup (rr->stream, rr->esr->packageType);
 290                 rr->taskPackage->packageName = 0;
 291                 rr->taskPackage->userId = 0;
 292                 rr->taskPackage->retentionTime = 0;
 293                 rr->taskPackage->permissions = 0;
 294                 rr->taskPackage->description = 0;
 295                 rr->taskPackage->targetReference = (Odr_oct *)
 296                     odr_malloc (rr->stream, sizeof(Odr_oct));
 297                 rr->taskPackage->targetReference->buf =
 298                     (unsigned char *) odr_strdup (rr->stream, "123");
 299                 rr->taskPackage->targetReference->len =
 300                     rr->taskPackage->targetReference->size =
 301                     strlen((char *) (rr->taskPackage->targetReference->buf));
 302                 rr->taskPackage->creationDateTime = 0;
 303                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 304                 rr->taskPackage->packageDiagnostics = 0;
 305                 rr->taskPackage->taskSpecificParameters = ext;
 306
 307                 ext->direct_reference =
 308                     odr_oiddup (rr->stream, rr->esr->packageType);
 309                 ext->indirect_reference = 0;
 310                 ext->descriptor = 0;
 311                 ext->which = Z_External_update;
 312                 ext->u.update = (Z_IUUpdate *)
 313                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 314                 ext->u.update->which = Z_IUUpdate_taskPackage;
 315                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 316                     odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
 317                 ext->u.update->u.taskPackage->originPart = keep;
 318                 ext->u.update->u.taskPackage->targetPart = targetPart;
 319
 320                 keep->action = (int *) odr_malloc (rr->stream, sizeof(int));
 321                 *keep->action = *toKeep->action;
 322                 keep->databaseName =
 323                     odr_strdup (rr->stream, toKeep->databaseName);
 324                 keep->schema = 0;
 325                 keep->elementSetName = 0;
 326                 keep->actionQualifier = 0;
 327
 328                 targetPart->updateStatus = odr_intdup (rr->stream, 1);
 329                 targetPart->num_globalDiagnostics = 0;
 330                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 331                 targetPart->num_taskPackageRecords = 1;
 332                 targetPart->taskPackageRecords =
 333                     (Z_IUTaskPackageRecordStructure **)
 334                     odr_malloc (rr->stream,
 335                                 sizeof(Z_IUTaskPackageRecordStructure *));
 336                 targetPart->taskPackageRecords[0] =
 337                     (Z_IUTaskPackageRecordStructure *)
 338                     odr_malloc (rr->stream,
 339                                 sizeof(Z_IUTaskPackageRecordStructure));
 340
 341                 targetPart->taskPackageRecords[0]->which =
 342                     Z_IUTaskPackageRecordStructure_record;
 343                 targetPart->taskPackageRecords[0]->u.record =
 344                     z_ext_record (rr->stream, VAL_SUTRS, "test", 4);
 345                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 346                 targetPart->taskPackageRecords[0]->recordStatus =
 347                     odr_intdup (rr->stream,
 348                                 Z_IUTaskPackageRecordStructure_success);
 349                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 350                     = 0;
 351
 352                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 353             }
 354             if (notToKeep)
 355             {
 356                 int i;
 357                 for (i = 0; i < notToKeep->num; i++)
 358                 {
 359                     Z_External *rec = notToKeep->elements[i]->record;
 360
 361                     if (rec->direct_reference)
 362                     {
 363                         struct oident *oident;
 364                         oident = oid_getentbyoid(rec->direct_reference);
 365                         if (oident)
 366                             yaz_log (LOG_LOG, "record %d type %s", i,
 367                                      oident->desc);
 368                     }
 369                     switch (rec->which)
 370                     {
 371                     case Z_External_sutrs:
 372                         if (rec->u.octet_aligned->len > 170)
 373                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 374                                      rec->u.sutrs->len,
 375                                      rec->u.sutrs->buf);
 376                         else
 377                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 378                                      rec->u.sutrs->len,
 379                                      rec->u.sutrs->buf);
 380                         break;
 381                     case Z_External_octet        :
 382                         if (rec->u.octet_aligned->len > 170)
 383                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 384                                      rec->u.octet_aligned->len,
 385                                      rec->u.octet_aligned->buf);
 386                         else
 387                             yaz_log (LOG_LOG, "%d bytes\n%s",
 388                                      rec->u.octet_aligned->len,
 389                                      rec->u.octet_aligned->buf);
 390                     }
 391                 }
 392             }
 393         }
 394     }
 395     else
 396     {
 397         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 398                  rr->esr->taskSpecificParameters->which);
 399
 400     }
 401     return 0;
 402 }
 403
 404 int ztest_delete (void *handle, bend_delete_rr *rr)
 405 {
 406     if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
 407         rr->delete_status = Z_DeleteStatus_success;
 408     else
 409         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 410     return 0;
 411 }
 412
 413 /* Our sort handler really doesn't sort... */
 414 int ztest_sort (void *handle, bend_sort_rr *rr)
 415 {
 416     rr->errcode = 0;
 417     rr->sort_status = Z_SortStatus_success;
 418     return 0;
 419 }
 420
 421 static int atoin (const char *buf, int n)
 422 {
 423     int val = 0;
 424     while (--n >= 0)
 425     {
 426         if (isdigit(*buf))
 427             val = val*10 + (*buf - '0');
 428         buf++;
 429     }
 430     return val;
 431 }
 432
 433 char *marc_read(FILE *inf, ODR odr)
 434 {
 435     char length_str[5];
 436     size_t size;
 437     char *buf;
 438
 439     if (fread (length_str, 1, 5, inf) != 5)
 440         return NULL;
 441     size = atoin (length_str, 5);
 442     if (size <= 6)
 443         return NULL;
 444     if (!(buf = (char*) odr_malloc (odr, size+1)))
 445         return NULL;
 446     if (fread (buf+5, 1, size-5, inf) != (size-5))
 447     {
 448         xfree (buf);
 449         return NULL;
 450     }
 451     memcpy (buf, length_str, 5);
 452     buf[size] = '\0';
 453     return buf;
 454 }
 455
 456 static char *dummy_database_record (int num, ODR odr)
 457 {
 458     FILE *inf = fopen ("dummy-records", "r");
 459     char *buf = 0;
 460
 461     if (!inf)
 462         return NULL;
 463     if (num == 98)
 464     {   /* this will generate a very bad MARC record (testing only) */
 465         buf = (char*) odr_malloc(odr, 2101);
 466         memset(buf, '7', 2100);
 467         buf[2100] = '\0';
 468     }
 469     else
 470     {
 471         /* OK, try to get proper MARC records from the file */
 472         while (--num >= 0)
 473         {
 474             buf = marc_read (inf, odr);
 475             if (!buf)
 476                 break;
 477         }
 478     }
 479     fclose(inf);
 480     return buf;
 481 }
 482
 483 static Z_GenericRecord *dummy_grs_record (int num, ODR o)
 484 {
 485     FILE *f = fopen("dummy-grs", "r");
 486     char line[512];
 487     Z_GenericRecord *r = 0;
 488     int n;
 489
 490     if (!f)
 491         return 0;
 492     while (fgets(line, 512, f))
 493         if (*line == '#' && sscanf(line, "#%d", &n) == 1 && n == num)
 494         {
 495             r = read_grs1(f, o);
 496             break;
 497         }
 498     fclose(f);
 499     return r;
 500 }
 501
 502 int ztest_fetch(void *handle, bend_fetch_rr *r)
 503 {
 504     char *cp;
 505     r->errstring = 0;
 506     r->last_in_set = 0;
 507     r->basename = "DUMMY";
 508     r->output_format = r->request_format;
 509     if (r->request_format == VAL_SUTRS)
 510     {
 511 #if 0
 512 /* this section returns a huge record (for testing non-blocking write, etc) */
 513         r->len = 980000;
 514         r->record = odr_malloc (r->stream, r->len);
 515         memset (r->record, 'x', r->len);
 516 #else
 517 /* this section returns a small record */
 518         char buf[100];
 519
 520         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 521
 522         r->len = strlen(buf);
 523         r->record = (char *) odr_malloc (r->stream, r->len+1);
 524         strcpy(r->record, buf);
 525 #endif
 526     }
 527     else if (r->request_format == VAL_GRS1)
 528     {
 529         r->len = -1;
 530         r->record = (char*) dummy_grs_record(r->number, r->stream);
 531         if (!r->record)
 532         {
 533             r->errcode = 13;
 534             return 0;
 535         }
 536     }
 537     else if ((cp = dummy_database_record(r->number, r->stream)))
 538     {
 539         r->len = strlen(cp);
 540         r->record = cp;
 541         r->output_format = VAL_USMARC;
 542     }
 543     else
 544     {
 545         r->errcode = 13;
 546         return 0;
 547     }
 548     r->errcode = 0;
 549     return 0;
 550 }
 551
 552 /*
 553  * silly dummy-scan what reads words from a file.
 554  */
 555 int ztest_scan(void *handle, bend_scan_rr *q)
 556 {
 557     static FILE *f = 0;
 558     static struct scan_entry list[200];
 559     static char entries[200][80];
 560     int hits[200];
 561     char term[80], *p;
 562     int i, pos;
 563     int term_position_req = q->term_position;
 564     int num_entries_req = q->num_entries;
 565
 566     q->errcode = 0;
 567     q->errstring = 0;
 568     q->entries = list;
 569     q->status = BEND_SCAN_SUCCESS;
 570     if (!f && !(f = fopen("dummy-words", "r")))
 571     {
 572         perror("dummy-words");
 573         exit(1);
 574     }
 575     if (q->term->term->which != Z_Term_general)
 576     {
 577         q->errcode = 229; /* unsupported term type */
 578         return 0;
 579     }
 580     if (*q->step_size != 0)
 581     {
 582         q->errcode = 205; /*Only zero step size supported for Scan */
 583         return 0;
 584     }
 585     if (q->term->term->u.general->len >= 80)
 586     {
 587         q->errcode = 11; /* term too long */
 588         return 0;
 589     }
 590     if (q->num_entries > 200)
 591     {
 592         q->errcode = 31;
 593         return 0;
 594     }
 595     memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
 596     term[q->term->term->u.general->len] = '\0';
 597     for (p = term; *p; p++)
 598         if (islower(*p))
 599             *p = toupper(*p);
 600
 601     fseek(f, 0, SEEK_SET);
 602     q->num_entries = 0;
 603
 604     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 605         i++, pos < 199 ? pos++ : (pos = 0))
 606     {
 607         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 608         {
 609             if ((q->term_position = term_position_req) > i + 1)
 610             {
 611                 q->term_position = i + 1;
 612                 q->status = BEND_SCAN_PARTIAL;
 613             }
 614             for (; q->num_entries < q->term_position; q->num_entries++)
 615             {
 616                 int po;
 617
 618                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 619                 if (po < 0)
 620                     po += 200;
 621
 622                 if (!strcmp (term, "SD") && q->num_entries == 2)
 623                 {
 624                     list[q->num_entries].term = entries[pos];
 625                     list[q->num_entries].occurrences = -1;
 626                     list[q->num_entries].errcode = 233;
 627                     list[q->num_entries].errstring = "SD for Scan Term";
 628                 }
 629                 else
 630                 {
 631                     list[q->num_entries].term = entries[po];
 632                     list[q->num_entries].occurrences = hits[po];
 633                 }
 634             }
 635         }
 636         else if (q->num_entries)
 637         {
 638             list[q->num_entries].term = entries[pos];
 639             list[q->num_entries].occurrences = hits[pos];
 640             q->num_entries++;
 641         }
 642         if (q->num_entries >= num_entries_req)
 643             break;
 644     }
 645     if (feof(f))
 646         q->status = BEND_SCAN_PARTIAL;
 647     return 0;
 648 }
 649
 650 bend_initresult *bend_init(bend_initrequest *q)
 651 {
 652     bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 653     int *counter = (int *) xmalloc (sizeof(int));
 654
 655     *counter = 0;
 656     r->errcode = 0;
 657     r->errstring = 0;
 658     r->handle = counter;         /* user handle, in this case a simple int */
 659     q->bend_sort = ztest_sort;              /* register sort handler */
 660     q->bend_search = ztest_search;          /* register search handler */
 661     q->bend_present = ztest_present;        /* register present handle */
 662     q->bend_esrequest = ztest_esrequest;
 663     q->bend_delete = ztest_delete;
 664     q->bend_fetch = ztest_fetch;
 665     q->bend_scan = ztest_scan;
 666     return r;
 667 }
 668
 669 void bend_close(void *handle)
 670 {
 671     xfree (handle);              /* release our user-defined handle */
 672     return;
 673 }
 674
 675 int main(int argc, char **argv)
 676 {
 677     return statserv_main(argc, argv, bend_init, bend_close);
 678 }