ztest/ztest.c

   1 /*
   2  * Copyright (c) 1995-2004, Index Data.
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: ztest.c,v 1.65 2004-09-30 21:54:22 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/yaz-util.h>
  17 #include <yaz/backend.h>
  18 #include <yaz/ill.h>
  19
  20 Z_GenericRecord *dummy_grs_record (int num, ODR o);
  21 char *dummy_marc_record (int num, ODR odr);
  22 char *dummy_xml_record (int num, ODR odr);
  23
  24 int ztest_search (void *handle, bend_search_rr *rr);
  25 int ztest_sort (void *handle, bend_sort_rr *rr);
  26 int ztest_present (void *handle, bend_present_rr *rr);
  27 int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
  28 int ztest_delete (void *handle, bend_delete_rr *rr);
  29
  30 int ztest_search (void *handle, bend_search_rr *rr)
  31 {
  32     if (rr->num_bases != 1)
  33     {
  34         rr->errcode = 23;
  35         return 0;
  36     }
  37 #if NMEM_DEBUG
  38     /* if database is stop, stop this process.. For debugging only. */
  39     if (!yaz_matchstr (rr->basenames[0], "stop"))
  40     {
  41         nmem_print_list_l(LOG_LOG);
  42         exit(0);
  43     }
  44 #endif
  45     /* Throw Database unavailable if other than Default */
  46     if (yaz_matchstr (rr->basenames[0], "Default"))
  47     {
  48         rr->errcode = 109;
  49         rr->errstring = rr->basenames[0];
  50         return 0;
  51     }
  52     rr->hits = rand() % 24;
  53     return 0;
  54 }
  55
  56
  57 /* this huge function handles extended services */
  58 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
  59 {
  60     /* user-defined handle - created in bend_init */
  61     int *counter = (int*) handle;
  62
  63     yaz_log(LOG_LOG, "ESRequest no %d", *counter);
  64
  65     (*counter)++;
  66
  67     if (rr->esr->packageName)
  68         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
  69     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
  70
  71
  72     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
  73
  74     if (!rr->esr->taskSpecificParameters)
  75     {
  76         yaz_log (LOG_WARN, "No task specific parameters");
  77     }
  78     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
  79     {
  80         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
  81         yaz_log (LOG_LOG, "Received ItemOrder");
  82         if (it->which == Z_IOItemOrder_esRequest)
  83         {
  84             Z_IORequest *ir = it->u.esRequest;
  85             Z_IOOriginPartToKeep *k = ir->toKeep;
  86             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
  87
  88             if (k && k->contact)
  89             {
  90                 if (k->contact->name)
  91                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
  92                 if (k->contact->phone)
  93                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
  94                 if (k->contact->email)
  95                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
  96             }
  97             if (k->addlBilling)
  98             {
  99                 yaz_log(LOG_LOG, "Billing info (not shown)");
 100             }
 101
 102             if (n->resultSetItem)
 103             {
 104                 yaz_log(LOG_LOG, "resultsetItem");
 105                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 106                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 107             }
 108             if (n->itemRequest)
 109             {
 110                 Z_External *r = (Z_External*) n->itemRequest;
 111                 ILL_ItemRequest *item_req = 0;
 112                 ILL_APDU *ill_apdu = 0;
 113                 if (r->direct_reference)
 114                 {
 115                     oident *ent = oid_getentbyoid(r->direct_reference);
 116                     if (ent)
 117                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 118                     if (ent && ent->value == VAL_TEXT_XML)
 119                     {
 120                         yaz_log (LOG_LOG, "ILL XML request");
 121                         if (r->which == Z_External_octet)
 122                             yaz_log (LOG_LOG, "%.*s", r->u.octet_aligned->len,
 123                                      r->u.octet_aligned->buf);
 124                     }
 125                     if (ent && ent->value == VAL_ISO_ILL_1)
 126                     {
 127                         yaz_log (LOG_LOG, "Decode ItemRequest begin");
 128                         if (r->which == ODR_EXTERNAL_single)
 129                         {
 130                             odr_setbuf(rr->decode,
 131                                        (char *) r->u.single_ASN1_type->buf,
 132                                        r->u.single_ASN1_type->len, 0);
 133
 134                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 135                             {
 136                                 yaz_log (LOG_LOG,
 137                                     "Couldn't decode ItemRequest %s near %d",
 138                                        odr_errmsg(odr_geterror(rr->decode)),
 139                                        odr_offset(rr->decode));
 140                             }
 141                             else
 142                                 yaz_log(LOG_LOG, "Decode ItemRequest OK");
 143                             if (rr->print)
 144                             {
 145                                 ill_ItemRequest (rr->print, &item_req, 0,
 146                                     "ItemRequest");
 147                                 odr_reset (rr->print);
 148                             }
 149                         }
 150                         if (!item_req && r->which == ODR_EXTERNAL_single)
 151                         {
 152                             yaz_log (LOG_LOG, "Decode ILL APDU begin");
 153                             odr_setbuf(rr->decode,
 154                                        (char*) r->u.single_ASN1_type->buf,
 155                                        r->u.single_ASN1_type->len, 0);
 156
 157                             if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
 158                             {
 159                                 yaz_log (LOG_LOG,
 160                                     "Couldn't decode ILL APDU %s near %d",
 161                                        odr_errmsg(odr_geterror(rr->decode)),
 162                                        odr_offset(rr->decode));
 163                                 yaz_log(LOG_LOG, "PDU dump:");
 164                                 odr_dumpBER(yaz_log_file(),
 165                                      (char *) r->u.single_ASN1_type->buf,
 166                                      r->u.single_ASN1_type->len);
 167                             }
 168                             else
 169                                 yaz_log(LOG_LOG, "Decode ILL APDU OK");
 170                             if (rr->print)
 171                             {
 172                                 ill_APDU (rr->print, &ill_apdu, 0,
 173                                     "ILL APDU");
 174                                 odr_reset (rr->print);
 175                             }
 176                         }
 177                     }
 178                 }
 179                 if (item_req)
 180                 {
 181                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 182                              *item_req->protocol_version_num);
 183                 }
 184             }
 185             if (k)
 186             {
 187
 188                 Z_External *ext = (Z_External *)
 189                     odr_malloc (rr->stream, sizeof(*ext));
 190                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 191                     odr_malloc (rr->stream, sizeof(*keep));
 192                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 193                     odr_malloc (rr->stream, sizeof(*targetPart));
 194
 195                 rr->taskPackage = (Z_TaskPackage *)
 196                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 197                 rr->taskPackage->packageType =
 198                     odr_oiddup (rr->stream, rr->esr->packageType);
 199                 rr->taskPackage->packageName = 0;
 200                 rr->taskPackage->userId = 0;
 201                 rr->taskPackage->retentionTime = 0;
 202                 rr->taskPackage->permissions = 0;
 203                 rr->taskPackage->description = 0;
 204                 rr->taskPackage->targetReference = (Odr_oct *)
 205                     odr_malloc (rr->stream, sizeof(Odr_oct));
 206                 rr->taskPackage->targetReference->buf =
 207                     (unsigned char *) odr_strdup (rr->stream, "911");
 208                 rr->taskPackage->targetReference->len =
 209                     rr->taskPackage->targetReference->size =
 210                     strlen((char *) (rr->taskPackage->targetReference->buf));
 211                 rr->taskPackage->creationDateTime = 0;
 212                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 213                 rr->taskPackage->packageDiagnostics = 0;
 214                 rr->taskPackage->taskSpecificParameters = ext;
 215
 216                 ext->direct_reference =
 217                     odr_oiddup (rr->stream, rr->esr->packageType);
 218                 ext->indirect_reference = 0;
 219                 ext->descriptor = 0;
 220                 ext->which = Z_External_itemOrder;
 221                 ext->u.itemOrder = (Z_ItemOrder *)
 222                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 223                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 224                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 225                     odr_malloc (rr->stream, sizeof(Z_IOTaskPackage));
 226                 ext->u.itemOrder->u.taskPackage->originPart = k;
 227                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 228
 229                 targetPart->itemRequest = 0;
 230                 targetPart->statusOrErrorReport = 0;
 231                 targetPart->auxiliaryStatus = 0;
 232             }
 233         }
 234     }
 235     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 236     {
 237         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 238         yaz_log (LOG_LOG, "Received DB Update");
 239         if (up->which == Z_IUUpdate_esRequest)
 240         {
 241             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 242             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 243             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 244
 245             yaz_log (LOG_LOG, "action");
 246             if (toKeep->action)
 247             {
 248                 switch (*toKeep->action)
 249                 {
 250                 case Z_IUOriginPartToKeep_recordInsert:
 251                     yaz_log (LOG_LOG, " recordInsert");
 252                     break;
 253                 case Z_IUOriginPartToKeep_recordReplace:
 254                     yaz_log (LOG_LOG, " recordReplace");
 255                     break;
 256                 case Z_IUOriginPartToKeep_recordDelete:
 257                     yaz_log (LOG_LOG, " recordDelete");
 258                     break;
 259                 case Z_IUOriginPartToKeep_elementUpdate:
 260                     yaz_log (LOG_LOG, " elementUpdate");
 261                     break;
 262                 case Z_IUOriginPartToKeep_specialUpdate:
 263                     yaz_log (LOG_LOG, " specialUpdate");
 264                     break;
 265                 default:
 266                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 267                 }
 268             }
 269             if (toKeep->databaseName)
 270             {
 271                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 272                 if (!strcmp(toKeep->databaseName, "fault"))
 273                 {
 274                     rr->errcode = 109;
 275                     rr->errstring = toKeep->databaseName;
 276                 }
 277                 if (!strcmp(toKeep->databaseName, "accept"))
 278                     rr->errcode = -1;
 279             }
 280             if (toKeep)
 281             {
 282                 Z_External *ext = (Z_External *)
 283                     odr_malloc (rr->stream, sizeof(*ext));
 284                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 285                     odr_malloc (rr->stream, sizeof(*keep));
 286                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 287                     odr_malloc (rr->stream, sizeof(*targetPart));
 288
 289                 rr->taskPackage = (Z_TaskPackage *)
 290                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 291                 rr->taskPackage->packageType =
 292                     odr_oiddup (rr->stream, rr->esr->packageType);
 293                 rr->taskPackage->packageName = 0;
 294                 rr->taskPackage->userId = 0;
 295                 rr->taskPackage->retentionTime = 0;
 296                 rr->taskPackage->permissions = 0;
 297                 rr->taskPackage->description = 0;
 298                 rr->taskPackage->targetReference = (Odr_oct *)
 299                     odr_malloc (rr->stream, sizeof(Odr_oct));
 300                 rr->taskPackage->targetReference->buf =
 301                     (unsigned char *) odr_strdup (rr->stream, "123");
 302                 rr->taskPackage->targetReference->len =
 303                     rr->taskPackage->targetReference->size =
 304                     strlen((char *) (rr->taskPackage->targetReference->buf));
 305                 rr->taskPackage->creationDateTime = 0;
 306                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 307                 rr->taskPackage->packageDiagnostics = 0;
 308                 rr->taskPackage->taskSpecificParameters = ext;
 309
 310                 ext->direct_reference =
 311                     odr_oiddup (rr->stream, rr->esr->packageType);
 312                 ext->indirect_reference = 0;
 313                 ext->descriptor = 0;
 314                 ext->which = Z_External_update;
 315                 ext->u.update = (Z_IUUpdate *)
 316                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 317                 ext->u.update->which = Z_IUUpdate_taskPackage;
 318                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 319                     odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
 320                 ext->u.update->u.taskPackage->originPart = keep;
 321                 ext->u.update->u.taskPackage->targetPart = targetPart;
 322
 323                 keep->action = (int *) odr_malloc (rr->stream, sizeof(int));
 324                 *keep->action = *toKeep->action;
 325                 keep->databaseName =
 326                     odr_strdup (rr->stream, toKeep->databaseName);
 327                 keep->schema = 0;
 328                 keep->elementSetName = 0;
 329                 keep->actionQualifier = 0;
 330
 331                 targetPart->updateStatus = odr_intdup (rr->stream, 1);
 332                 targetPart->num_globalDiagnostics = 0;
 333                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 334                 targetPart->num_taskPackageRecords = 1;
 335                 targetPart->taskPackageRecords =
 336                     (Z_IUTaskPackageRecordStructure **)
 337                     odr_malloc (rr->stream,
 338                                 sizeof(Z_IUTaskPackageRecordStructure *));
 339                 targetPart->taskPackageRecords[0] =
 340                     (Z_IUTaskPackageRecordStructure *)
 341                     odr_malloc (rr->stream,
 342                                 sizeof(Z_IUTaskPackageRecordStructure));
 343
 344                 targetPart->taskPackageRecords[0]->which =
 345                     Z_IUTaskPackageRecordStructure_record;
 346                 targetPart->taskPackageRecords[0]->u.record =
 347                     z_ext_record (rr->stream, VAL_SUTRS, "test", 4);
 348                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 349                 targetPart->taskPackageRecords[0]->recordStatus =
 350                     odr_intdup (rr->stream,
 351                                 Z_IUTaskPackageRecordStructure_success);
 352                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 353                     = 0;
 354
 355                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 356             }
 357             if (notToKeep)
 358             {
 359                 int i;
 360                 for (i = 0; i < notToKeep->num; i++)
 361                 {
 362                     Z_External *rec = notToKeep->elements[i]->record;
 363
 364                     if (rec->direct_reference)
 365                     {
 366                         struct oident *oident;
 367                         oident = oid_getentbyoid(rec->direct_reference);
 368                         if (oident)
 369                             yaz_log (LOG_LOG, "record %d type %s", i,
 370                                      oident->desc);
 371                     }
 372                     switch (rec->which)
 373                     {
 374                     case Z_External_sutrs:
 375                         if (rec->u.octet_aligned->len > 170)
 376                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 377                                      rec->u.sutrs->len,
 378                                      rec->u.sutrs->buf);
 379                         else
 380                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 381                                      rec->u.sutrs->len,
 382                                      rec->u.sutrs->buf);
 383                         break;
 384                     case Z_External_octet        :
 385                         if (rec->u.octet_aligned->len > 170)
 386                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 387                                      rec->u.octet_aligned->len,
 388                                      rec->u.octet_aligned->buf);
 389                         else
 390                             yaz_log (LOG_LOG, "%d bytes\n%s",
 391                                      rec->u.octet_aligned->len,
 392                                      rec->u.octet_aligned->buf);
 393                     }
 394                 }
 395             }
 396         }
 397     }
 398     else if (rr->esr->taskSpecificParameters->which == Z_External_update0)
 399     {
 400         yaz_log(LOG_LOG, "Received DB Update (version 0)");
 401     }
 402     else
 403     {
 404         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 405                  rr->esr->taskSpecificParameters->which);
 406
 407     }
 408     return 0;
 409 }
 410
 411 /* result set delete */
 412 int ztest_delete (void *handle, bend_delete_rr *rr)
 413 {
 414     if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
 415         rr->delete_status = Z_DeleteStatus_success;
 416     else
 417         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 418     return 0;
 419 }
 420
 421 /* Our sort handler really doesn't sort... */
 422 int ztest_sort (void *handle, bend_sort_rr *rr)
 423 {
 424     rr->errcode = 0;
 425     rr->sort_status = Z_SortResponse_success;
 426     return 0;
 427 }
 428
 429
 430 /* present request handler */
 431 int ztest_present (void *handle, bend_present_rr *rr)
 432 {
 433     return 0;
 434 }
 435
 436 /* retrieval of a single record (present, and piggy back search) */
 437 int ztest_fetch(void *handle, bend_fetch_rr *r)
 438 {
 439     char *cp;
 440
 441     r->last_in_set = 0;
 442     r->basename = "Default";
 443     r->output_format = r->request_format;
 444     if (r->request_format == VAL_SUTRS)
 445     {
 446         /* this section returns a small record */
 447         char buf[100];
 448
 449         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 450
 451         r->len = strlen(buf);
 452         r->record = (char *) odr_malloc (r->stream, r->len+1);
 453         strcpy(r->record, buf);
 454     }
 455     else if (r->request_format == VAL_GRS1)
 456     {
 457         r->len = -1;
 458         r->record = (char*) dummy_grs_record(r->number, r->stream);
 459         if (!r->record)
 460         {
 461             r->errcode = 13;
 462             return 0;
 463         }
 464     }
 465     else if (r->request_format == VAL_POSTSCRIPT)
 466     {
 467         char fname[20];
 468         FILE *f;
 469         long size;
 470
 471         sprintf (fname, "part.%d.ps", r->number);
 472         f = fopen(fname, "rb");
 473         if (!f)
 474         {
 475             r->errcode = 13;
 476             return 0;
 477         }
 478         fseek (f, 0L, SEEK_END);
 479         size = ftell (f);
 480         if (size <= 0 || size >= 5000000)
 481         {
 482             r->errcode = 14;
 483             return 0;
 484         }
 485         fseek (f, 0L, SEEK_SET);
 486         r->record = (char*) odr_malloc (r->stream, size);
 487         r->len = size;
 488         r->output_format = VAL_POSTSCRIPT;
 489         fread (r->record, size, 1, f);
 490         fclose (f);
 491     }
 492     else if (r->request_format == VAL_TEXT_XML)
 493     {
 494         if ((cp = dummy_xml_record (r->number, r->stream)))
 495         {
 496             r->len = strlen(cp);
 497             r->record = cp;
 498             r->output_format = VAL_TEXT_XML;
 499         }
 500         else
 501         {
 502             r->errcode = 14;
 503             r->surrogate_flag = 1;
 504             return 0;
 505         }
 506     }
 507     else if ((cp = dummy_marc_record(r->number, r->stream)))
 508     {
 509         r->len = strlen(cp);
 510         r->record = cp;
 511         r->output_format = VAL_USMARC;
 512     }
 513     else
 514     {
 515         r->errcode = 13;
 516         return 0;
 517     }
 518     r->errcode = 0;
 519     return 0;
 520 }
 521
 522 /*
 523  * silly dummy-scan what reads words from a file.
 524  */
 525 int ztest_scan(void *handle, bend_scan_rr *q)
 526 {
 527     static FILE *f = 0;
 528     static struct scan_entry list[200];
 529     static char entries[200][80];
 530     int hits[200];
 531     char term[80], *p;
 532     int i, pos;
 533     int term_position_req = q->term_position;
 534     int num_entries_req = q->num_entries;
 535
 536     q->errcode = 0;
 537     q->errstring = 0;
 538     q->entries = list;
 539     q->status = BEND_SCAN_SUCCESS;
 540     if (!f && !(f = fopen("dummy-words", "r")))
 541     {
 542         perror("dummy-words");
 543         exit(1);
 544     }
 545     if (q->term->term->which != Z_Term_general)
 546     {
 547         q->errcode = 229; /* unsupported term type */
 548         return 0;
 549     }
 550     if (*q->step_size != 0)
 551     {
 552         q->errcode = 205; /*Only zero step size supported for Scan */
 553         return 0;
 554     }
 555     if (q->term->term->u.general->len >= 80)
 556     {
 557         q->errcode = 11; /* term too long */
 558         return 0;
 559     }
 560     if (q->num_entries > 200)
 561     {
 562         q->errcode = 31;
 563         return 0;
 564     }
 565     memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
 566     term[q->term->term->u.general->len] = '\0';
 567     for (p = term; *p; p++)
 568         if (islower(*p))
 569             *p = toupper(*p);
 570
 571     fseek(f, 0, SEEK_SET);
 572     q->num_entries = 0;
 573
 574     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 575         i++, pos < 199 ? pos++ : (pos = 0))
 576     {
 577         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 578         {
 579             if ((q->term_position = term_position_req) > i + 1)
 580             {
 581                 q->term_position = i + 1;
 582                 q->status = BEND_SCAN_PARTIAL;
 583             }
 584             for (; q->num_entries < q->term_position; q->num_entries++)
 585             {
 586                 int po;
 587
 588                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 589                 if (po < 0)
 590                     po += 200;
 591
 592                 if (!strcmp (term, "SD") && q->num_entries == 2)
 593                 {
 594                     list[q->num_entries].term = entries[pos];
 595                     list[q->num_entries].occurrences = -1;
 596                     list[q->num_entries].errcode = 233;
 597                     list[q->num_entries].errstring = "SD for Scan Term";
 598                 }
 599                 else
 600                 {
 601                     list[q->num_entries].term = entries[po];
 602                     list[q->num_entries].occurrences = hits[po];
 603                 }
 604             }
 605         }
 606         else if (q->num_entries)
 607         {
 608             list[q->num_entries].term = entries[pos];
 609             list[q->num_entries].occurrences = hits[pos];
 610             q->num_entries++;
 611         }
 612         if (q->num_entries >= num_entries_req)
 613             break;
 614     }
 615     if (feof(f))
 616         q->status = BEND_SCAN_PARTIAL;
 617     return 0;
 618 }
 619
 620 static int ztest_explain(void *handle, bend_explain_rr *rr)
 621 {
 622     if (rr->database && !strcmp(rr->database, "Default"))
 623     {
 624         rr->explain_buf = "<explain>\n"
 625             "\t<serverInfo>\n"
 626             "\t\t<host>localhost</host>\n"
 627             "\t\t<port>210</port>\n"
 628             "\t</serverInfo>\n"
 629             "</explain>\n";
 630     }
 631     return 0;
 632 }
 633
 634 bend_initresult *bend_init(bend_initrequest *q)
 635 {
 636     bend_initresult *r = (bend_initresult *)
 637         odr_malloc (q->stream, sizeof(*r));
 638     int *counter = (int *) xmalloc (sizeof(int));
 639
 640     *counter = 0;
 641     r->errcode = 0;
 642     r->errstring = 0;
 643     r->handle = counter;         /* user handle, in this case a simple int */
 644     q->bend_sort = ztest_sort;              /* register sort handler */
 645     q->bend_search = ztest_search;          /* register search handler */
 646     q->bend_present = ztest_present;        /* register present handle */
 647     q->bend_esrequest = ztest_esrequest;
 648     q->bend_delete = ztest_delete;
 649     q->bend_fetch = ztest_fetch;
 650     q->bend_scan = ztest_scan;
 651     q->bend_explain = ztest_explain;
 652
 653     return r;
 654 }
 655
 656 void bend_close(void *handle)
 657 {
 658     xfree (handle);              /* release our user-defined handle */
 659     return;
 660 }
 661
 662 int main(int argc, char **argv)
 663 {
 664     return statserv_main(argc, argv, bend_init, bend_close);
 665 }