ztest/ztest.c

   1 /*
   2  * Copyright (C) 1995-2007, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: ztest.c,v 1.94 2007-06-14 10:44:18 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 #if HAVE_UNISTD_H
  16 #include <unistd.h>
  17 #endif
  18
  19 #include <yaz/log.h>
  20 #include <yaz/backend.h>
  21 #include <yaz/ill.h>
  22
  23 static int log_level=0;
  24 static int log_level_set=0;
  25
  26 Z_GenericRecord *dummy_grs_record (int num, ODR o);
  27 char *dummy_marc_record (int num, ODR odr);
  28 char *dummy_xml_record (int num, ODR odr);
  29
  30 int ztest_search(void *handle, bend_search_rr *rr);
  31 int ztest_sort(void *handle, bend_sort_rr *rr);
  32 int ztest_present(void *handle, bend_present_rr *rr);
  33 int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
  34 int ztest_delete(void *handle, bend_delete_rr *rr);
  35
  36 /** \fn get_term_hit
  37     \brief use term value as hit count
  38
  39     Traverse RPN tree 'in order' and use term value as hit count.
  40     Only terms  that looks a numeric is used.. Returns -1 if
  41     no sub tree has a hit count term
  42 */
  43 static int get_term_hit(Z_RPNStructure *s)
  44 {
  45     int h = -1;
  46     switch(s->which)
  47     {
  48     case Z_RPNStructure_simple:
  49         if (s->u.simple->which == Z_Operand_APT)
  50         {
  51             Z_AttributesPlusTerm *apt = s->u.simple->u.attributesPlusTerm;
  52             if (apt->term->which == Z_Term_general)
  53             {
  54                 Odr_oct *oct = apt->term->u.general;
  55                 if (oct->len > 0 && oct->buf[0] >= '0' && oct->buf[0] <= '9')
  56                     h = atoi_n((const char *) oct->buf, oct->len);
  57             }
  58         }
  59         break;
  60     case Z_RPNStructure_complex:
  61         h = get_term_hit(s->u.complex->s1);
  62         if (h == -1)
  63             h = get_term_hit(s->u.complex->s2);
  64         break;
  65     }
  66     return h;
  67 }
  68
  69 /** \fn get_hit_count
  70     \brief gets hit count for numeric terms in RPN queries
  71
  72     This is just for testing.. A real database of course uses
  73     the content of a database to establish a value.. In our case, we
  74     have a way to trigger a certain hit count. Good for testing of
  75     client applications etc
  76 */
  77 static int get_hit_count(Z_Query *q)
  78 {
  79     int h = -1;
  80     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
  81         h = get_term_hit(q->u.type_1->RPNStructure);
  82     if (h == -1)
  83         h = rand() % 24;
  84     return h;
  85 }
  86
  87 int ztest_search(void *handle, bend_search_rr *rr)
  88 {
  89     if (rr->num_bases != 1)
  90     {
  91         rr->errcode = 23;
  92         return 0;
  93     }
  94     /* Throw Database unavailable if other than Default or Slow */
  95     if (!yaz_matchstr (rr->basenames[0], "Default"))
  96         ;  /* Default is OK in our test */
  97     else if(!yaz_matchstr (rr->basenames[0], "Slow"))
  98     {
  99 #if HAVE_UNISTD_H
 100         /* wait up to 3 seconds and check if connection is still alive */
 101         int i;
 102         for (i = 0; i<3; i++)
 103         {
 104             if (!bend_assoc_is_alive(rr->association))
 105             {
 106                 yaz_log(YLOG_LOG, "search aborted");
 107                 break;
 108             }
 109             sleep(1);
 110         }
 111 #endif
 112         rr->estimated_hit_count = 1;
 113     }
 114     else
 115     {
 116         rr->errcode = 109;
 117         rr->errstring = rr->basenames[0];
 118         return 0;
 119     }
 120
 121     rr->hits = get_hit_count(rr->query);
 122     return 0;
 123 }
 124
 125
 126 /* this huge function handles extended services */
 127 int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
 128 {
 129     /* user-defined handle - created in bend_init */
 130     int *counter = (int*) handle;
 131
 132     yaz_log(log_level, "ESRequest no %d", *counter);
 133
 134     (*counter)++;
 135
 136     if (rr->esr->packageName)
 137         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 138     yaz_log(log_level, "Waitaction: %d", *rr->esr->waitAction);
 139
 140
 141     yaz_log(log_level, "function: %d", *rr->esr->function);
 142
 143     if (!rr->esr->taskSpecificParameters)
 144     {
 145         yaz_log (log_level, "No task specific parameters");
 146     }
 147     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 148     {
 149         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 150         yaz_log (log_level, "Received ItemOrder");
 151         if (it->which == Z_IOItemOrder_esRequest)
 152         {
 153             Z_IORequest *ir = it->u.esRequest;
 154             Z_IOOriginPartToKeep *k = ir->toKeep;
 155             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 156
 157             if (k && k->contact)
 158             {
 159                 if (k->contact->name)
 160                     yaz_log(log_level, "contact name %s", k->contact->name);
 161                 if (k->contact->phone)
 162                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 163                 if (k->contact->email)
 164                     yaz_log(log_level, "contact email %s", k->contact->email);
 165             }
 166             if (k->addlBilling)
 167             {
 168                 yaz_log(log_level, "Billing info (not shown)");
 169             }
 170
 171             if (n->resultSetItem)
 172             {
 173                 yaz_log(log_level, "resultsetItem");
 174                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 175                 yaz_log(log_level, "item: %d", *n->resultSetItem->item);
 176             }
 177             if (n->itemRequest)
 178             {
 179                 Z_External *r = (Z_External*) n->itemRequest;
 180                 ILL_ItemRequest *item_req = 0;
 181                 ILL_APDU *ill_apdu = 0;
 182                 if (r->direct_reference)
 183                 {
 184                     char oid_name_str[OID_STR_MAX];
 185                     oid_class oclass;
 186                     const char *oid_name =
 187                         yaz_oid_to_string_buf(r->direct_reference,
 188                                           &oclass, oid_name_str);
 189                     if (oid_name)
 190                         yaz_log(log_level, "OID %s", oid_name);
 191                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 192                     {
 193                         yaz_log (log_level, "ILL XML request");
 194                         if (r->which == Z_External_octet)
 195                             yaz_log (log_level, "%.*s", r->u.octet_aligned->len,
 196                                      r->u.octet_aligned->buf);
 197                     }
 198                     if (!oid_oidcmp(r->direct_reference,
 199                                     yaz_oid_general_isoill_1))
 200                     {
 201                         yaz_log (log_level, "Decode ItemRequest begin");
 202                         if (r->which == ODR_EXTERNAL_single)
 203                         {
 204                             odr_setbuf(rr->decode,
 205                                        (char *) r->u.single_ASN1_type->buf,
 206                                        r->u.single_ASN1_type->len, 0);
 207
 208                             if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
 209                             {
 210                                 yaz_log (log_level,
 211                                     "Couldn't decode ItemRequest %s near %ld",
 212                                        odr_errmsg(odr_geterror(rr->decode)),
 213                                        (long) odr_offset(rr->decode));
 214                             }
 215                             else
 216                                 yaz_log(log_level, "Decode ItemRequest OK");
 217                             if (rr->print)
 218                             {
 219                                 ill_ItemRequest (rr->print, &item_req, 0,
 220                                     "ItemRequest");
 221                                 odr_reset (rr->print);
 222                             }
 223                         }
 224                         if (!item_req && r->which == ODR_EXTERNAL_single)
 225                         {
 226                             yaz_log (log_level, "Decode ILL APDU begin");
 227                             odr_setbuf(rr->decode,
 228                                        (char*) r->u.single_ASN1_type->buf,
 229                                        r->u.single_ASN1_type->len, 0);
 230
 231                             if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
 232                             {
 233                                 yaz_log (log_level,
 234                                     "Couldn't decode ILL APDU %s near %ld",
 235                                        odr_errmsg(odr_geterror(rr->decode)),
 236                                        (long) odr_offset(rr->decode));
 237                                 yaz_log(log_level, "PDU dump:");
 238                                 odr_dumpBER(yaz_log_file(),
 239                                      (char *) r->u.single_ASN1_type->buf,
 240                                      r->u.single_ASN1_type->len);
 241                             }
 242                             else
 243                                 yaz_log(log_level, "Decode ILL APDU OK");
 244                             if (rr->print)
 245                             {
 246                                 ill_APDU (rr->print, &ill_apdu, 0,
 247                                     "ILL APDU");
 248                                 odr_reset (rr->print);
 249                             }
 250                         }
 251                     }
 252                 }
 253                 if (item_req)
 254                 {
 255                     yaz_log (log_level, "ILL protocol version = %d",
 256                              *item_req->protocol_version_num);
 257                 }
 258             }
 259             if (k)
 260             {
 261
 262                 Z_External *ext = (Z_External *)
 263                     odr_malloc (rr->stream, sizeof(*ext));
 264                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 265                     odr_malloc (rr->stream, sizeof(*keep));
 266                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 267                     odr_malloc (rr->stream, sizeof(*targetPart));
 268
 269                 rr->taskPackage = (Z_TaskPackage *)
 270                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 271                 rr->taskPackage->packageType =
 272                     odr_oiddup (rr->stream, rr->esr->packageType);
 273                 rr->taskPackage->packageName = 0;
 274                 rr->taskPackage->userId = 0;
 275                 rr->taskPackage->retentionTime = 0;
 276                 rr->taskPackage->permissions = 0;
 277                 rr->taskPackage->description = 0;
 278                 rr->taskPackage->targetReference = (Odr_oct *)
 279                     odr_malloc (rr->stream, sizeof(Odr_oct));
 280                 rr->taskPackage->targetReference->buf =
 281                     (unsigned char *) odr_strdup (rr->stream, "911");
 282                 rr->taskPackage->targetReference->len =
 283                     rr->taskPackage->targetReference->size =
 284                     strlen((char *) (rr->taskPackage->targetReference->buf));
 285                 rr->taskPackage->creationDateTime = 0;
 286                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 287                 rr->taskPackage->packageDiagnostics = 0;
 288                 rr->taskPackage->taskSpecificParameters = ext;
 289
 290                 ext->direct_reference =
 291                     odr_oiddup (rr->stream, rr->esr->packageType);
 292                 ext->indirect_reference = 0;
 293                 ext->descriptor = 0;
 294                 ext->which = Z_External_itemOrder;
 295                 ext->u.itemOrder = (Z_ItemOrder *)
 296                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 297                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 298                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 299                     odr_malloc (rr->stream, sizeof(Z_IOTaskPackage));
 300                 ext->u.itemOrder->u.taskPackage->originPart = k;
 301                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 302
 303                 targetPart->itemRequest = 0;
 304                 targetPart->statusOrErrorReport = 0;
 305                 targetPart->auxiliaryStatus = 0;
 306             }
 307         }
 308     }
 309     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 310     {
 311         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 312         yaz_log (log_level, "Received DB Update");
 313         if (up->which == Z_IUUpdate_esRequest)
 314         {
 315             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 316             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 317             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 318
 319             yaz_log (log_level, "action");
 320             if (toKeep->action)
 321             {
 322                 switch (*toKeep->action)
 323                 {
 324                 case Z_IUOriginPartToKeep_recordInsert:
 325                     yaz_log (log_level, " recordInsert");
 326                     break;
 327                 case Z_IUOriginPartToKeep_recordReplace:
 328                     yaz_log (log_level, " recordReplace");
 329                     break;
 330                 case Z_IUOriginPartToKeep_recordDelete:
 331                     yaz_log (log_level, " recordDelete");
 332                     break;
 333                 case Z_IUOriginPartToKeep_elementUpdate:
 334                     yaz_log (log_level, " elementUpdate");
 335                     break;
 336                 case Z_IUOriginPartToKeep_specialUpdate:
 337                     yaz_log (log_level, " specialUpdate");
 338                     break;
 339                 default:
 340                     yaz_log (log_level, " unknown (%d)", *toKeep->action);
 341                 }
 342             }
 343             if (toKeep->databaseName)
 344             {
 345                 yaz_log (log_level, "database: %s", toKeep->databaseName);
 346                 if (!strcmp(toKeep->databaseName, "fault"))
 347                 {
 348                     rr->errcode = 109;
 349                     rr->errstring = toKeep->databaseName;
 350                 }
 351                 if (!strcmp(toKeep->databaseName, "accept"))
 352                     rr->errcode = -1;
 353             }
 354             if (toKeep)
 355             {
 356                 Z_External *ext = (Z_External *)
 357                     odr_malloc (rr->stream, sizeof(*ext));
 358                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 359                     odr_malloc (rr->stream, sizeof(*keep));
 360                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 361                     odr_malloc (rr->stream, sizeof(*targetPart));
 362
 363                 rr->taskPackage = (Z_TaskPackage *)
 364                     odr_malloc (rr->stream, sizeof(*rr->taskPackage));
 365                 rr->taskPackage->packageType =
 366                     odr_oiddup (rr->stream, rr->esr->packageType);
 367                 rr->taskPackage->packageName = 0;
 368                 rr->taskPackage->userId = 0;
 369                 rr->taskPackage->retentionTime = 0;
 370                 rr->taskPackage->permissions = 0;
 371                 rr->taskPackage->description = 0;
 372                 rr->taskPackage->targetReference = (Odr_oct *)
 373                     odr_malloc (rr->stream, sizeof(Odr_oct));
 374                 rr->taskPackage->targetReference->buf =
 375                     (unsigned char *) odr_strdup (rr->stream, "123");
 376                 rr->taskPackage->targetReference->len =
 377                     rr->taskPackage->targetReference->size =
 378                     strlen((char *) (rr->taskPackage->targetReference->buf));
 379                 rr->taskPackage->creationDateTime = 0;
 380                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 381                 rr->taskPackage->packageDiagnostics = 0;
 382                 rr->taskPackage->taskSpecificParameters = ext;
 383
 384                 ext->direct_reference =
 385                     odr_oiddup (rr->stream, rr->esr->packageType);
 386                 ext->indirect_reference = 0;
 387                 ext->descriptor = 0;
 388                 ext->which = Z_External_update;
 389                 ext->u.update = (Z_IUUpdate *)
 390                     odr_malloc (rr->stream, sizeof(*ext->u.update));
 391                 ext->u.update->which = Z_IUUpdate_taskPackage;
 392                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 393                     odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
 394                 ext->u.update->u.taskPackage->originPart = keep;
 395                 ext->u.update->u.taskPackage->targetPart = targetPart;
 396
 397                 keep->action = (int *) odr_malloc (rr->stream, sizeof(int));
 398                 *keep->action = *toKeep->action;
 399                 keep->databaseName =
 400                     odr_strdup (rr->stream, toKeep->databaseName);
 401                 keep->schema = 0;
 402                 keep->elementSetName = 0;
 403                 keep->actionQualifier = 0;
 404
 405                 targetPart->updateStatus = odr_intdup (rr->stream, 1);
 406                 targetPart->num_globalDiagnostics = 0;
 407                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 408                 targetPart->num_taskPackageRecords = 1;
 409                 targetPart->taskPackageRecords =
 410                     (Z_IUTaskPackageRecordStructure **)
 411                     odr_malloc (rr->stream,
 412                                 sizeof(Z_IUTaskPackageRecordStructure *));
 413                 targetPart->taskPackageRecords[0] =
 414                     (Z_IUTaskPackageRecordStructure *)
 415                     odr_malloc (rr->stream,
 416                                 sizeof(Z_IUTaskPackageRecordStructure));
 417
 418                 targetPart->taskPackageRecords[0]->which =
 419                     Z_IUTaskPackageRecordStructure_record;
 420                 targetPart->taskPackageRecords[0]->u.record =
 421                     z_ext_record_sutrs(rr->stream, "test", 4);
 422                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 423                 targetPart->taskPackageRecords[0]->recordStatus =
 424                     odr_intdup (rr->stream,
 425                                 Z_IUTaskPackageRecordStructure_success);
 426                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 427                     = 0;
 428
 429                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 430             }
 431             if (notToKeep)
 432             {
 433                 int i;
 434                 for (i = 0; i < notToKeep->num; i++)
 435                 {
 436                     Z_External *rec = notToKeep->elements[i]->record;
 437
 438                     if (rec->direct_reference)
 439                     {
 440                         char oid_name_str[OID_STR_MAX];
 441                         const char *oid_name
 442                             = oid_name = yaz_oid_to_string_buf(
 443                                 rec->direct_reference, 0,
 444                                 oid_name_str);
 445                         if (oid_name)
 446                             yaz_log (log_level, "record %d type %s", i,
 447                                      oid_name);
 448                     }
 449                     switch (rec->which)
 450                     {
 451                     case Z_External_sutrs:
 452                         if (rec->u.octet_aligned->len > 170)
 453                             yaz_log (log_level, "%d bytes:\n%.168s ...",
 454                                      rec->u.sutrs->len,
 455                                      rec->u.sutrs->buf);
 456                         else
 457                             yaz_log (log_level, "%d bytes:\n%s",
 458                                      rec->u.sutrs->len,
 459                                      rec->u.sutrs->buf);
 460                         break;
 461                     case Z_External_octet        :
 462                         if (rec->u.octet_aligned->len > 170)
 463                             yaz_log (log_level, "%d bytes:\n%.168s ...",
 464                                      rec->u.octet_aligned->len,
 465                                      rec->u.octet_aligned->buf);
 466                         else
 467                             yaz_log (log_level, "%d bytes\n%s",
 468                                      rec->u.octet_aligned->len,
 469                                      rec->u.octet_aligned->buf);
 470                     }
 471                 }
 472             }
 473         }
 474     }
 475     return 0;
 476 }
 477
 478 /* result set delete */
 479 int ztest_delete (void *handle, bend_delete_rr *rr)
 480 {
 481     if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
 482         rr->delete_status = Z_DeleteStatus_success;
 483     else
 484         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 485     return 0;
 486 }
 487
 488 /* Our sort handler really doesn't sort... */
 489 int ztest_sort (void *handle, bend_sort_rr *rr)
 490 {
 491     rr->errcode = 0;
 492     rr->sort_status = Z_SortResponse_success;
 493     return 0;
 494 }
 495
 496
 497 /* present request handler */
 498 int ztest_present (void *handle, bend_present_rr *rr)
 499 {
 500     return 0;
 501 }
 502
 503 /* retrieval of a single record (present, and piggy back search) */
 504 int ztest_fetch(void *handle, bend_fetch_rr *r)
 505 {
 506     char *cp;
 507     const Odr_oid *oid = r->request_format;
 508
 509     r->last_in_set = 0;
 510     r->basename = "Default";
 511     r->output_format = r->request_format;
 512
 513     if (oid && !oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 514     {
 515         /* this section returns a small record */
 516         char buf[100];
 517
 518         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 519
 520         r->len = strlen(buf);
 521         r->record = (char *) odr_malloc (r->stream, r->len+1);
 522         strcpy(r->record, buf);
 523     }
 524     else if (oid &&  !oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 525     {
 526         r->len = -1;
 527         r->record = (char*) dummy_grs_record(r->number, r->stream);
 528         if (!r->record)
 529         {
 530             r->errcode = 13;
 531             return 0;
 532         }
 533     }
 534     else if (oid && !oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 535     {
 536         char fname[20];
 537         FILE *f;
 538         long size;
 539
 540         sprintf (fname, "part.%d.ps", r->number);
 541         f = fopen(fname, "rb");
 542         if (!f)
 543         {
 544             r->errcode = 13;
 545             return 0;
 546         }
 547         fseek (f, 0L, SEEK_END);
 548         size = ftell (f);
 549         if (size <= 0 || size >= 5000000)
 550         {
 551             r->errcode = 14;
 552             return 0;
 553         }
 554         fseek (f, 0L, SEEK_SET);
 555         r->record = (char*) odr_malloc (r->stream, size);
 556         r->len = size;
 557         fread (r->record, size, 1, f);
 558         fclose (f);
 559     }
 560     else if (oid && !oid_oidcmp(oid, yaz_oid_recsyn_xml))
 561     {
 562         if ((cp = dummy_xml_record (r->number, r->stream)))
 563         {
 564             r->len = strlen(cp);
 565             r->record = cp;
 566         }
 567         else
 568         {
 569             r->errcode = 14;
 570             r->surrogate_flag = 1;
 571             return 0;
 572         }
 573     }
 574     else if ((cp = dummy_marc_record(r->number, r->stream)))
 575     {
 576         r->len = strlen(cp);
 577         r->record = cp;
 578         r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 579     }
 580     else
 581     {
 582         r->errcode = 13;
 583         return 0;
 584     }
 585     r->errcode = 0;
 586     return 0;
 587 }
 588
 589 /*
 590  * silly dummy-scan what reads words from a file.
 591  */
 592 int ztest_scan(void *handle, bend_scan_rr *q)
 593 {
 594     static FILE *f = 0;
 595     static struct scan_entry list[200];
 596     static char entries[200][80];
 597     int hits[200];
 598     char term[80], *p;
 599     int i, pos;
 600     int term_position_req = q->term_position;
 601     int num_entries_req = q->num_entries;
 602
 603     /* Throw Database unavailable if other than Default or Slow */
 604     if (!yaz_matchstr (q->basenames[0], "Default"))
 605         ;  /* Default is OK in our test */
 606     else if(!yaz_matchstr (q->basenames[0], "Slow"))
 607     {
 608 #if HAVE_UNISTD_H
 609         sleep(3);
 610 #endif
 611         ;
 612     }
 613     else
 614     {
 615         q->errcode = 109;
 616         q->errstring = q->basenames[0];
 617         return 0;
 618     }
 619
 620     q->errcode = 0;
 621     q->errstring = 0;
 622     q->entries = list;
 623     q->status = BEND_SCAN_SUCCESS;
 624     if (!f && !(f = fopen("dummy-words", "r")))
 625     {
 626         perror("dummy-words");
 627         exit(1);
 628     }
 629     if (q->num_entries > 200)
 630     {
 631         q->errcode = 31;
 632         return 0;
 633     }
 634     if (q->term)
 635     {
 636         int len;
 637         if (q->term->term->which != Z_Term_general)
 638         {
 639             q->errcode = 229; /* unsupported term type */
 640             return 0;
 641         }
 642         if (*q->step_size != 0)
 643         {
 644             q->errcode = 205; /*Only zero step size supported for Scan */
 645             return 0;
 646         }
 647         len = q->term->term->u.general->len;
 648         if (len >= sizeof(term))
 649             len = sizeof(term)-1;
 650         memcpy(term, q->term->term->u.general->buf, len);
 651         term[len] = '\0';
 652     }
 653     else if (q->scanClause)
 654     {
 655         strncpy(term, q->scanClause, sizeof(term)-1);
 656         term[sizeof(term)-1] = '\0';
 657     }
 658     else
 659         strcpy(term, "0");
 660
 661     for (p = term; *p; p++)
 662         if (islower(*(unsigned char *) p))
 663             *p = toupper(*p);
 664
 665     fseek(f, 0, SEEK_SET);
 666     q->num_entries = 0;
 667
 668     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 669         i++, pos < 199 ? pos++ : (pos = 0))
 670     {
 671         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 672         {
 673             if ((q->term_position = term_position_req) > i + 1)
 674             {
 675                 q->term_position = i + 1;
 676                 q->status = BEND_SCAN_PARTIAL;
 677             }
 678             for (; q->num_entries < q->term_position; q->num_entries++)
 679             {
 680                 int po;
 681
 682                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 683                 if (po < 0)
 684                     po += 200;
 685
 686                 if (!strcmp (term, "SD") && q->num_entries == 2)
 687                 {
 688                     list[q->num_entries].term = entries[pos];
 689                     list[q->num_entries].occurrences = -1;
 690                     list[q->num_entries].errcode = 233;
 691                     list[q->num_entries].errstring = "SD for Scan Term";
 692                 }
 693                 else
 694                 {
 695                     list[q->num_entries].term = entries[po];
 696                     list[q->num_entries].occurrences = hits[po];
 697                 }
 698             }
 699         }
 700         else if (q->num_entries)
 701         {
 702             list[q->num_entries].term = entries[pos];
 703             list[q->num_entries].occurrences = hits[pos];
 704             q->num_entries++;
 705         }
 706         if (q->num_entries >= num_entries_req)
 707             break;
 708     }
 709     if (feof(f))
 710         q->status = BEND_SCAN_PARTIAL;
 711     return 0;
 712 }
 713
 714 int ztest_explain(void *handle, bend_explain_rr *rr)
 715 {
 716     if (rr->database && !strcmp(rr->database, "Default"))
 717     {
 718         rr->explain_buf = "<explain>\n"
 719             "\t<serverInfo>\n"
 720             "\t\t<host>localhost</host>\n"
 721             "\t\t<port>210</port>\n"
 722             "\t</serverInfo>\n"
 723             "</explain>\n";
 724     }
 725     return 0;
 726 }
 727
 728 int ztest_update(void *handle, bend_update_rr *rr)
 729 {
 730     rr->operation_status = "success";
 731     return 0;
 732 }
 733
 734 bend_initresult *bend_init(bend_initrequest *q)
 735 {
 736     bend_initresult *r = (bend_initresult *)
 737         odr_malloc (q->stream, sizeof(*r));
 738     int *counter = (int *) xmalloc (sizeof(int));
 739
 740     if (!log_level_set)
 741     {
 742         log_level=yaz_log_module_level("ztest");
 743         log_level_set=1;
 744     }
 745
 746     *counter = 0;
 747     r->errcode = 0;
 748     r->errstring = 0;
 749     r->handle = counter;         /* user handle, in this case a simple int */
 750     q->bend_sort = ztest_sort;              /* register sort handler */
 751     q->bend_search = ztest_search;          /* register search handler */
 752     q->bend_present = ztest_present;        /* register present handle */
 753     q->bend_esrequest = ztest_esrequest;
 754     q->bend_delete = ztest_delete;
 755     q->bend_fetch = ztest_fetch;
 756     q->bend_scan = ztest_scan;
 757 #if 0
 758     q->bend_explain = ztest_explain;
 759 #endif
 760     q->bend_srw_scan = ztest_scan;
 761     q->bend_srw_update = ztest_update;
 762
 763     q->query_charset = "ISO-8859-1";
 764     q->records_in_same_charset = 0;
 765
 766     return r;
 767 }
 768
 769 void bend_close(void *handle)
 770 {
 771     xfree (handle);              /* release our user-defined handle */
 772     return;
 773 }
 774
 775 int main(int argc, char **argv)
 776 {
 777     return statserv_main(argc, argv, bend_init, bend_close);
 778 }
 779 /*
 780  * Local variables:
 781  * c-basic-offset: 4
 782  * indent-tabs-mode: nil
 783  * End:
 784  * vim: shiftwidth=4 tabstop=8 expandtab
 785  */
 786