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 1.44  2001-07-19 19:51:42  adam
  10  * Added typecasts to make C++ happy.
  11  *
  12  * Revision 1.43  2001/06/28 09:27:25  adam
  13  * Number of Extended Services Requests logged.
  14  *
  15  * Revision 1.42  2001/04/06 12:26:46  adam
  16  * Optional CCL module. Moved atoi_n to marcdisp.h from yaz-util.h.
  17  *
  18  * Revision 1.41  2001/04/05 13:08:48  adam
  19  * New configure options: --enable-module.
  20  *
  21  * Revision 1.40  2001/03/25 21:55:13  adam
  22  * Added odr_intdup. Ztest server returns TaskPackage for ItemUpdate.
  23  *
  24  * Revision 1.39  2001/03/12 14:40:57  adam
  25  * Minor change of print of item update info.
  26  *
  27  * Revision 1.38  2001/02/21 13:46:54  adam
  28  * C++ fixes.
  29  *
  30  * Revision 1.37  2001/02/20 11:25:32  adam
  31  * Added ill_get_APDU and ill_get_Cancel.
  32  *
  33  * Revision 1.36  2001/01/30 21:34:18  adam
  34  * Added step-size for Scan backend interface.
  35  *
  36  * Revision 1.35  2000/11/23 10:58:33  adam
  37  * SSL comstack support. Separate POSIX thread support library.
  38  *
  39  * Revision 1.34  2000/09/04 08:58:15  adam
  40  * Added prefix yaz_ for most logging utility functions.
  41  *
  42  * Revision 1.33  2000/08/10 08:41:26  adam
  43  * Fixes for ILL.
  44  *
  45  * Revision 1.32  2000/04/05 07:39:55  adam
  46  * Added shared library support (libtool).
  47  *
  48  * Revision 1.31  2000/01/31 13:15:21  adam
  49  * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
  50  * that some characters are not surrounded by spaces in resulting term.
  51  * ILL-code updates.
  52  *
  53  * Revision 1.30  2000/01/13 23:05:50  adam
  54  * Fixed tagging for member requester-CHECKED-IN in ILL ASN.1 spec.
  55  *
  56  * Revision 1.29  2000/01/12 14:36:07  adam
  57  * Added printing stream (ODR) for backend functions.
  58  *
  59  * Revision 1.28  1999/12/16 23:36:19  adam
  60  * Implemented ILL protocol. Minor updates ASN.1 compiler.
  61  *
  62  * Revision 1.27  1999/11/30 13:47:12  adam
  63  * Improved installation. Moved header files to include/yaz.
  64  *
  65  * Revision 1.26  1999/08/27 09:40:32  adam
  66  * Renamed logf function to yaz_log. Removed VC++ project files.
  67  *
  68  * Revision 1.25  1999/06/01 14:29:12  adam
  69  * Work on Extended Services.
  70  *
  71  * Revision 1.24  1999/05/27 13:07:54  adam
  72  * Fix.
  73  *
  74  * Revision 1.23  1999/05/27 13:02:20  adam
  75  * Assigned OID for old DB Update (VAL_DBUPDATE0).
  76  *
  77  * Revision 1.22  1999/05/26 13:49:12  adam
  78  * DB Update implemented in client (very basic).
  79  *
  80  * Revision 1.21  1998/12/15 12:45:42  adam
  81  * Minor change.
  82  *
  83  * Revision 1.20  1998/12/14 14:48:05  adam
  84  * Fixed memory leak - happened when fetching MARC records.
  85  *
  86  * Revision 1.19  1998/10/20 15:16:22  adam
  87  * Minor change to prevent warning.
  88  *
  89  * Revision 1.18  1998/10/20 15:13:45  adam
  90  * Minor fix regarding output for Item Order.
  91  *
  92  * Revision 1.17  1998/10/18 22:33:35  quinn
  93  * Added diagnostic dump of Item Order Eservice.
  94  *
  95  * Revision 1.16  1998/10/15 08:26:23  adam
  96  * Added type cast to make C++ happy.
  97  *
  98  * Revision 1.15  1998/10/13 20:05:57  adam
  99  * Minor change.
 100  *
 101  * Revision 1.14  1998/10/13 16:12:25  adam
 102  * Added support for Surrogate Diagnostics for Scan Term entries.
 103  *
 104  * Revision 1.13  1998/08/19 16:10:09  adam
 105  * Changed som member names of DeleteResultSetRequest/Response.
 106  *
 107  * Revision 1.12  1998/07/20 12:38:44  adam
 108  * Implemented delete result set service to server API.
 109  *
 110  * Revision 1.11  1998/06/09 13:55:08  adam
 111  * Minor changes.
 112  *
 113  * Revision 1.10  1998/05/27 16:55:54  adam
 114  * Minor changes.
 115  *
 116  * Revision 1.9  1998/03/31 11:07:45  adam
 117  * Furhter work on UNIverse resource report.
 118  * Added Extended Services handling in frontend server.
 119  *
 120  * Revision 1.8  1998/02/11 11:53:36  adam
 121  * Changed code so that it compiles as C++.
 122  *
 123  * Revision 1.7  1998/02/10 11:03:57  adam
 124  * Added support for extended handlers in backend server interface.
 125  *
 126  * Revision 1.6  1998/01/29 13:16:02  adam
 127  * Added dummy sort in test server.
 128  *
 129  * Revision 1.5  1997/11/07 13:31:58  adam
 130  * Added NT Service name part of statserv_options_block. Moved NT
 131  * service utility to server library.
 132  *
 133  * Revision 1.4  1997/09/17 12:10:43  adam
 134  * YAZ version 1.4.
 135  *
 136  * Revision 1.3  1997/09/09 10:10:20  adam
 137  * Another MSV5.0 port. Changed projects to include proper
 138  * library/include paths.
 139  * Server starts server in test-mode when no options are given.
 140  *
 141  * Revision 1.2  1997/09/04 13:50:31  adam
 142  * Bug fix in ztest.
 143  *
 144  */
 145
 146 /*
 147  * Demonstration of simple server
 148  */
 149
 150 #include <stdio.h>
 151 #include <stdlib.h>
 152 #include <ctype.h>
 153
 154 #include <yaz/backend.h>
 155 #include <yaz/log.h>
 156
 157 #if YAZ_MODULE_ill
 158 #include <yaz/ill.h>
 159 #endif
 160
 161 Z_GenericRecord *read_grs1(FILE *f, ODR o);
 162
 163 int ztest_search (void *handle, bend_search_rr *rr);
 164 int ztest_sort (void *handle, bend_sort_rr *rr);
 165 int ztest_present (void *handle, bend_present_rr *rr);
 166 int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
 167 int ztest_delete (void *handle, bend_delete_rr *rr);
 168
 169 int ztest_search (void *handle, bend_search_rr *rr)
 170 {
 171     rr->hits = rand() % 22;
 172     return 0;
 173 }
 174
 175 int ztest_present (void *handle, bend_present_rr *rr)
 176 {
 177     return 0;
 178 }
 179
 180 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
 181 {
 182     /* user-defined handle - created in bend_init */
 183     int *counter = (int*) handle;
 184
 185     yaz_log(LOG_LOG, "ESRequest no %d", *counter);
 186
 187     (*counter)++;
 188
 189     if (rr->esr->packageName)
 190         yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
 191     yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
 192
 193
 194     yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
 195
 196     if (!rr->esr->taskSpecificParameters)
 197     {
 198         yaz_log (LOG_WARN, "No task specific parameters");
 199     }
 200     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 201     {
 202         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 203         yaz_log (LOG_LOG, "Received ItemOrder");
 204         switch (it->which)
 205         {
 206 #ifdef ASN_COMPILED
 207         case Z_IOItemOrder_esRequest:
 208 #else
 209         case Z_ItemOrder_esRequest:
 210 #endif
 211         {
 212             Z_IORequest *ir = it->u.esRequest;
 213             Z_IOOriginPartToKeep *k = ir->toKeep;
 214             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 215
 216             if (k && k->contact)
 217             {
 218                 if (k->contact->name)
 219                     yaz_log(LOG_LOG, "contact name %s", k->contact->name);
 220                 if (k->contact->phone)
 221                     yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
 222                 if (k->contact->email)
 223                     yaz_log(LOG_LOG, "contact email %s", k->contact->email);
 224             }
 225             if (k->addlBilling)
 226             {
 227                 yaz_log(LOG_LOG, "Billing info (not shown)");
 228             }
 229
 230             if (n->resultSetItem)
 231             {
 232                 yaz_log(LOG_LOG, "resultsetItem");
 233                 yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
 234                 yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
 235             }
 236 #if YAZ_MODULE_ill
 237             if (n->itemRequest)
 238             {
 239                 Z_External *r = (Z_External*) n->itemRequest;
 240                 ILL_ItemRequest *item_req = 0;
 241                 ILL_APDU *ill_apdu = 0;
 242                 if (r->direct_reference)
 243                 {
 244                     oident *ent = oid_getentbyoid(r->direct_reference);
 245                     if (ent)
 246                         yaz_log(LOG_LOG, "OID %s", ent->desc);
 247                     if (ent && ent->value == VAL_TEXT_XML)
 248                     {
 249                         yaz_log (LOG_LOG, "ILL XML request");
 250                         if (r->which == Z_External_octet)
 251                             yaz_log (LOG_LOG, "%.*s", r->u.octet_aligned->len,
 252                                      r->u.octet_aligned->buf);
 253                     }
 254                     if (ent && ent->value == VAL_ISO_ILL_1)
 255                     {
 256                         yaz_log (LOG_LOG, "Decode ItemRequest begin");
 257                         if (r->which == ODR_EXTERNAL_single)
 258                         {
 259                             odr_setbuf(rr->decode,
 260                                        (char *) r->u.single_ASN1_type->buf,
 261                                        r->u.single_ASN1_type->len, 0);
 262
 263                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 264                             {
 265                                 yaz_log (LOG_LOG,
 266                                     "Couldn't decode ItemRequest %s near %d",
 267                                        odr_errmsg(odr_geterror(rr->decode)),
 268                                        odr_offset(rr->decode));
 269 #if 0
 270                                 yaz_log(LOG_LOG, "PDU dump:");
 271                                 odr_dumpBER(yaz_log_file(),
 272                                      r->u.single_ASN1_type->buf,
 273                                      r->u.single_ASN1_type->len);
 274 #endif
 275                             }
 276                             else
 277                                 yaz_log(LOG_LOG, "Decode ItemRequest OK");
 278                             if (rr->print)
 279                             {
 280                                 ill_ItemRequest (rr->print, &item_req, 0,
 281                                     "ItemRequest");
 282                                 odr_reset (rr->print);
 283                             }
 284                         }
 285                         if (!item_req && r->which == ODR_EXTERNAL_single)
 286                         {
 287                             yaz_log (LOG_LOG, "Decode ILL APDU begin");
 288                             odr_setbuf(rr->decode,
 289                                        (char*) r->u.single_ASN1_type->buf,
 290                                        r->u.single_ASN1_type->len, 0);
 291
 292                             if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
 293                             {
 294                                 yaz_log (LOG_LOG,
 295                                     "Couldn't decode ILL APDU %s near %d",
 296                                        odr_errmsg(odr_geterror(rr->decode)),
 297                                        odr_offset(rr->decode));
 298                                 yaz_log(LOG_LOG, "PDU dump:");
 299                                 odr_dumpBER(yaz_log_file(),
 300                                      (char *) r->u.single_ASN1_type->buf,
 301                                      r->u.single_ASN1_type->len);
 302                             }
 303                             else
 304                                 yaz_log(LOG_LOG, "Decode ILL APDU OK");
 305                             if (rr->print)
 306                             {
 307                                 ill_APDU (rr->print, &ill_apdu, 0,
 308                                     "ILL APDU");
 309                                 odr_reset (rr->print);
 310                             }
 311                         }
 312                     }
 313                 }
 314                 if (item_req)
 315                 {
 316                     yaz_log (LOG_LOG, "ILL protocol version = %d",
 317                              *item_req->protocol_version_num);
 318                 }
 319             }
 320 #endif
 321         }
 322         break;
 323         }
 324     }
 325     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 326     {
 327         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 328         yaz_log (LOG_LOG, "Received DB Update");
 329         if (up->which == Z_IUUpdate_esRequest)
 330         {
 331             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 332             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 333             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 334
 335             yaz_log (LOG_LOG, "action");
 336             if (toKeep->action)
 337             {
 338                 switch (*toKeep->action)
 339                 {
 340                 case Z_IUOriginPartToKeep_recordInsert:
 341                     yaz_log (LOG_LOG, " recordInsert");
 342                     break;
 343                 case Z_IUOriginPartToKeep_recordReplace:
 344                     yaz_log (LOG_LOG, " recordReplace");
 345                     break;
 346                 case Z_IUOriginPartToKeep_recordDelete:
 347                     yaz_log (LOG_LOG, " recordDelete");
 348                     break;
 349                 case Z_IUOriginPartToKeep_elementUpdate:
 350                     yaz_log (LOG_LOG, " elementUpdate");
 351                     break;
 352                 case Z_IUOriginPartToKeep_specialUpdate:
 353                     yaz_log (LOG_LOG, " specialUpdate");
 354                     break;
 355                 default:
 356                     yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
 357                 }
 358             }
 359             if (toKeep->databaseName)
 360             {
 361                 yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
 362                 if (!strcmp(toKeep->databaseName, "fault"))
 363                 {
 364                     rr->errcode = 109;
 365                     rr->errstring = toKeep->databaseName;
 366                 }
 367                 if (!strcmp(toKeep->databaseName, "accept"))
 368                     rr->errcode = -1;
 369             }
 370             if (toKeep)
 371             {
 372                 Z_External *ext = (Z_External *)
 373                     odr_malloc (rr->stream, sizeof(*ext));
 374                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 375                     odr_malloc (rr->stream, sizeof(*keep));
 376                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 377                     odr_malloc (rr->stream, sizeof(*targetPart));
 378                 rr->taskPackage = (Z_TaskPackage *)
 379                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 380                 rr->taskPackage->packageType =
 381                     odr_oiddup (rr->stream, rr->esr->packageType);
 382                 rr->taskPackage->packageName = 0;
 383                 rr->taskPackage->userId = 0;
 384                 rr->taskPackage->retentionTime = 0;
 385                 rr->taskPackage->permissions = 0;
 386                 rr->taskPackage->description = 0;
 387                 rr->taskPackage->targetReference = (Odr_oct *)
 388                     odr_malloc (rr->stream, sizeof(Odr_oct));
 389                 rr->taskPackage->targetReference->buf =
 390                     (unsigned char *) odr_strdup (rr->stream, "123");
 391                 rr->taskPackage->targetReference->len =
 392                     rr->taskPackage->targetReference->size =
 393                     strlen((char *) (rr->taskPackage->targetReference->buf));
 394                 rr->taskPackage->creationDateTime = 0;
 395                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 396                 rr->taskPackage->packageDiagnostics = 0;
 397                 rr->taskPackage->taskSpecificParameters = ext;
 398
 399                 ext->direct_reference =
 400                     odr_oiddup (rr->stream, rr->esr->packageType);
 401                 ext->indirect_reference = 0;
 402                 ext->descriptor = 0;
 403                 ext->which = Z_External_update;
 404                 ext->u.update = (Z_IUUpdate *)
 405                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 406                 ext->u.update->which = Z_IUUpdate_taskPackage;
 407                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 408                     odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
 409                 ext->u.update->u.taskPackage->originPart = keep;
 410                 ext->u.update->u.taskPackage->targetPart = targetPart;
 411
 412                 keep->action = (int *) odr_malloc (rr->stream, sizeof(int));
 413                 *keep->action = *toKeep->action;
 414                 keep->databaseName =
 415                     odr_strdup (rr->stream, toKeep->databaseName);
 416                 keep->schema = 0;
 417                 keep->elementSetName = 0;
 418                 keep->actionQualifier = 0;
 419
 420                 targetPart->updateStatus = odr_intdup (rr->stream, 1);
 421                 targetPart->num_globalDiagnostics = 0;
 422                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 423                 targetPart->num_taskPackageRecords = 0;
 424                 targetPart->taskPackageRecords =
 425                     (Z_IUTaskPackageRecordStructure **) odr_nullval();
 426             }
 427             if (notToKeep)
 428             {
 429                 int i;
 430                 for (i = 0; i < notToKeep->num; i++)
 431                 {
 432                     Z_External *rec = notToKeep->elements[i]->record;
 433
 434                     if (rec->direct_reference)
 435                     {
 436                         struct oident *oident;
 437                         oident = oid_getentbyoid(rec->direct_reference);
 438                         if (oident)
 439                             yaz_log (LOG_LOG, "record %d type %s", i,
 440                                      oident->desc);
 441                     }
 442                     switch (rec->which)
 443                     {
 444                     case Z_External_sutrs:
 445                         if (rec->u.octet_aligned->len > 170)
 446                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 447                                      rec->u.sutrs->len,
 448                                      rec->u.sutrs->buf);
 449                         else
 450                             yaz_log (LOG_LOG, "%d bytes:\n%s",
 451                                      rec->u.sutrs->len,
 452                                      rec->u.sutrs->buf);
 453                         break;
 454                     case Z_External_octet        :
 455                         if (rec->u.octet_aligned->len > 170)
 456                             yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
 457                                      rec->u.octet_aligned->len,
 458                                      rec->u.octet_aligned->buf);
 459                         else
 460                             yaz_log (LOG_LOG, "%d bytes\n%s",
 461                                      rec->u.octet_aligned->len,
 462                                      rec->u.octet_aligned->buf);
 463                     }
 464                 }
 465             }
 466         }
 467     }
 468     else
 469     {
 470         yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
 471                  rr->esr->taskSpecificParameters->which);
 472
 473     }
 474     return 0;
 475 }
 476
 477 int ztest_delete (void *handle, bend_delete_rr *rr)
 478 {
 479     if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
 480         rr->delete_status = Z_DeleteStatus_success;
 481     else
 482         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 483     return 0;
 484 }
 485
 486 /* Our sort handler really doesn't sort... */
 487 int ztest_sort (void *handle, bend_sort_rr *rr)
 488 {
 489     rr->errcode = 0;
 490     rr->sort_status = Z_SortStatus_success;
 491     return 0;
 492 }
 493
 494 static int atoin (const char *buf, int n)
 495 {
 496     int val = 0;
 497     while (--n >= 0)
 498     {
 499         if (isdigit(*buf))
 500             val = val*10 + (*buf - '0');
 501         buf++;
 502     }
 503     return val;
 504 }
 505
 506 char *marc_read(FILE *inf, ODR odr)
 507 {
 508     char length_str[5];
 509     size_t size;
 510     char *buf;
 511
 512     if (fread (length_str, 1, 5, inf) != 5)
 513         return NULL;
 514     size = atoin (length_str, 5);
 515     if (size <= 6)
 516         return NULL;
 517     if (!(buf = (char*) odr_malloc (odr, size+1)))
 518         return NULL;
 519     if (fread (buf+5, 1, size-5, inf) != (size-5))
 520     {
 521         xfree (buf);
 522         return NULL;
 523     }
 524     memcpy (buf, length_str, 5);
 525     buf[size] = '\0';
 526     return buf;
 527 }
 528
 529 static char *dummy_database_record (int num, ODR odr)
 530 {
 531     FILE *inf = fopen ("dummy-records", "r");
 532     char *buf = 0;
 533
 534     if (!inf)
 535         return NULL;
 536     while (--num >= 0)
 537     {
 538         if (num == 98)
 539         {
 540             buf = (char*) odr_malloc(odr, 2101);
 541             memset(buf, 'A', 2100);
 542             buf[2100] = '\0';
 543             break;
 544         }
 545         else
 546             buf = marc_read (inf, odr);
 547         if (!num || !buf)
 548             break;
 549     }
 550     fclose(inf);
 551     if (num < 0)
 552         return 0;
 553     return buf;
 554 }
 555
 556 static Z_GenericRecord *dummy_grs_record (int num, ODR o)
 557 {
 558     FILE *f = fopen("dummy-grs", "r");
 559     char line[512];
 560     Z_GenericRecord *r = 0;
 561     int n;
 562
 563     if (!f)
 564         return 0;
 565     while (fgets(line, 512, f))
 566         if (*line == '#' && sscanf(line, "#%d", &n) == 1 && n == num)
 567         {
 568             r = read_grs1(f, o);
 569             break;
 570         }
 571     fclose(f);
 572     return r;
 573 }
 574
 575 int ztest_fetch(void *handle, bend_fetch_rr *r)
 576 {
 577     char *cp;
 578     r->errstring = 0;
 579     r->last_in_set = 0;
 580     r->basename = "DUMMY";
 581     r->output_format = r->request_format;
 582     if (r->request_format == VAL_SUTRS)
 583     {
 584 #if 0
 585 /* this section returns a huge record (for testing non-blocking write, etc) */
 586         r->len = 980000;
 587         r->record = odr_malloc (r->stream, r->len);
 588         memset (r->record, 'x', r->len);
 589 #else
 590 /* this section returns a small record */
 591         char buf[100];
 592
 593         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 594
 595         r->len = strlen(buf);
 596         r->record = (char *) odr_malloc (r->stream, r->len+1);
 597         strcpy(r->record, buf);
 598 #endif
 599     }
 600     else if (r->request_format == VAL_GRS1)
 601     {
 602         r->len = -1;
 603         r->record = (char*) dummy_grs_record(r->number, r->stream);
 604         if (!r->record)
 605         {
 606             r->errcode = 13;
 607             return 0;
 608         }
 609     }
 610     else if ((cp = dummy_database_record(r->number, r->stream)))
 611     {
 612         r->len = strlen(cp);
 613         r->record = cp;
 614         r->output_format = VAL_USMARC;
 615     }
 616     else
 617     {
 618         r->errcode = 13;
 619         return 0;
 620     }
 621     r->errcode = 0;
 622     return 0;
 623 }
 624
 625 /*
 626  * silly dummy-scan what reads words from a file.
 627  */
 628 int ztest_scan(void *handle, bend_scan_rr *q)
 629 {
 630     static FILE *f = 0;
 631     static struct scan_entry list[200];
 632     static char entries[200][80];
 633     int hits[200];
 634     char term[80], *p;
 635     int i, pos;
 636     int term_position_req = q->term_position;
 637     int num_entries_req = q->num_entries;
 638
 639     q->errcode = 0;
 640     q->errstring = 0;
 641     q->entries = list;
 642     q->status = BEND_SCAN_SUCCESS;
 643     if (!f && !(f = fopen("dummy-words", "r")))
 644     {
 645         perror("dummy-words");
 646         exit(1);
 647     }
 648     if (q->term->term->which != Z_Term_general)
 649     {
 650         q->errcode = 229; /* unsupported term type */
 651         return 0;
 652     }
 653     if (*q->step_size != 0)
 654     {
 655         q->errcode = 205; /*Only zero step size supported for Scan */
 656         return 0;
 657     }
 658     if (q->term->term->u.general->len >= 80)
 659     {
 660         q->errcode = 11; /* term too long */
 661         return 0;
 662     }
 663     if (q->num_entries > 200)
 664     {
 665         q->errcode = 31;
 666         return 0;
 667     }
 668     memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
 669     term[q->term->term->u.general->len] = '\0';
 670     for (p = term; *p; p++)
 671         if (islower(*p))
 672             *p = toupper(*p);
 673
 674     fseek(f, 0, SEEK_SET);
 675     q->num_entries = 0;
 676
 677     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 678         i++, pos < 199 ? pos++ : (pos = 0))
 679     {
 680         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 681         {
 682             if ((q->term_position = term_position_req) > i + 1)
 683             {
 684                 q->term_position = i + 1;
 685                 q->status = BEND_SCAN_PARTIAL;
 686             }
 687             for (; q->num_entries < q->term_position; q->num_entries++)
 688             {
 689                 int po;
 690
 691                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 692                 if (po < 0)
 693                     po += 200;
 694
 695                 if (!strcmp (term, "SD") && q->num_entries == 2)
 696                 {
 697                     list[q->num_entries].term = entries[pos];
 698                     list[q->num_entries].occurrences = -1;
 699                     list[q->num_entries].errcode = 233;
 700                     list[q->num_entries].errstring = "SD for Scan Term";
 701                 }
 702                 else
 703                 {
 704                     list[q->num_entries].term = entries[po];
 705                     list[q->num_entries].occurrences = hits[po];
 706                 }
 707             }
 708         }
 709         else if (q->num_entries)
 710         {
 711             list[q->num_entries].term = entries[pos];
 712             list[q->num_entries].occurrences = hits[pos];
 713             q->num_entries++;
 714         }
 715         if (q->num_entries >= num_entries_req)
 716             break;
 717     }
 718     if (feof(f))
 719         q->status = BEND_SCAN_PARTIAL;
 720     return 0;
 721 }
 722
 723 bend_initresult *bend_init(bend_initrequest *q)
 724 {
 725     bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 726     int *counter = (int *) xmalloc (sizeof(int));
 727
 728     *counter = 0;
 729     r->errcode = 0;
 730     r->errstring = 0;
 731     r->handle = counter;         /* user handle, in this case a simple int */
 732     q->bend_sort = ztest_sort;              /* register sort handler */
 733     q->bend_search = ztest_search;          /* register search handler */
 734     q->bend_present = ztest_present;        /* register present handle */
 735     q->bend_esrequest = ztest_esrequest;
 736     q->bend_delete = ztest_delete;
 737     q->bend_fetch = ztest_fetch;
 738     q->bend_scan = ztest_scan;
 739     return r;
 740 }
 741
 742 void bend_close(void *handle)
 743 {
 744     xfree (handle);              /* release our user-defined handle */
 745     return;
 746 }
 747
 748 int main(int argc, char **argv)
 749 {
 750     return statserv_main(argc, argv, bend_init, bend_close);
 751 }