ztest/ztest.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2009 Index Data
   3  * See the file LICENSE for details.
   4  */
   5
   6 /** \file
   7  * \brief yaz-ztest Generic Frontend Server
   8  */
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <ctype.h>
  13 #if HAVE_UNISTD_H
  14 #include <unistd.h>
  15 #endif
  16
  17 #include <yaz/log.h>
  18 #include <yaz/backend.h>
  19 #include <yaz/ill.h>
  20 #include <yaz/diagbib1.h>
  21
  22 #include "ztest.h"
  23
  24 static int log_level=0;
  25 static int log_level_set=0;
  26
  27 int ztest_search(void *handle, bend_search_rr *rr);
  28 int ztest_sort(void *handle, bend_sort_rr *rr);
  29 int ztest_present(void *handle, bend_present_rr *rr);
  30 int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
  31 int ztest_delete(void *handle, bend_delete_rr *rr);
  32
  33 /** \brief use term value as hit count
  34     \param s RPN structure
  35     \return >= 0: search term number or -1: not found
  36
  37     Traverse RPN tree 'in order' and use term value as hit count.
  38     Only terms  that looks a numeric is used.. Returns -1 if
  39     no sub tree has a hit count term
  40 */
  41 static int get_term_hit(Z_RPNStructure *s)
  42 {
  43     int h = -1;
  44     switch(s->which)
  45     {
  46     case Z_RPNStructure_simple:
  47         if (s->u.simple->which == Z_Operand_APT)
  48         {
  49             Z_AttributesPlusTerm *apt = s->u.simple->u.attributesPlusTerm;
  50             if (apt->term->which == Z_Term_general)
  51             {
  52                 Odr_oct *oct = apt->term->u.general;
  53                 if (oct->len > 0 && oct->buf[0] >= '0' && oct->buf[0] <= '9')
  54                     h = atoi_n((const char *) oct->buf, oct->len);
  55             }
  56         }
  57         break;
  58     case Z_RPNStructure_complex:
  59         h = get_term_hit(s->u.complex->s1);
  60         if (h == -1)
  61             h = get_term_hit(s->u.complex->s2);
  62         break;
  63     }
  64     return h;
  65 }
  66
  67 /** \brief gets hit count for numeric terms in RPN queries
  68     \param q RPN Query
  69     \return number of hits (random or number for term)
  70
  71     This is just for testing.. A real database of course uses
  72     the content of a database to establish a value.. In our case, we
  73     have a way to trigger a certain hit count. Good for testing of
  74     client applications etc
  75 */
  76 static int get_hit_count(Z_Query *q)
  77 {
  78     int h = -1;
  79     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
  80         h = get_term_hit(q->u.type_1->RPNStructure);
  81     if (h == -1)
  82         h = rand() % 24;
  83     return h;
  84 }
  85
  86 int ztest_search(void *handle, bend_search_rr *rr)
  87 {
  88     if (rr->num_bases != 1)
  89     {
  90         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
  91         return 0;
  92     }
  93     /* Throw Database unavailable if other than Default or Slow */
  94     if (!yaz_matchstr(rr->basenames[0], "Default"))
  95         ;  /* Default is OK in our test */
  96     else if(!yaz_matchstr(rr->basenames[0], "Slow"))
  97     {
  98 #if HAVE_UNISTD_H
  99         /* wait up to 3 seconds and check if connection is still alive */
 100         int i;
 101         for (i = 0; i<3; i++)
 102         {
 103             if (!bend_assoc_is_alive(rr->association))
 104             {
 105                 yaz_log(YLOG_LOG, "search aborted");
 106                 break;
 107             }
 108             sleep(1);
 109         }
 110 #endif
 111         rr->estimated_hit_count = 1;
 112     }
 113     else
 114     {
 115         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 116         rr->errstring = rr->basenames[0];
 117         return 0;
 118     }
 119
 120     rr->hits = get_hit_count(rr->query);
 121     return 0;
 122 }
 123
 124
 125 /* this huge function handles extended services */
 126 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 127 {
 128     /* user-defined handle - created in bend_init */
 129     int *counter = (int*) handle;
 130
 131     yaz_log(log_level, "ESRequest no %d", *counter);
 132
 133     (*counter)++;
 134
 135     if (rr->esr->packageName)
 136         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 137     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 138
 139
 140     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 141
 142     if (!rr->esr->taskSpecificParameters)
 143     {
 144         yaz_log(log_level, "No task specific parameters");
 145     }
 146     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 147     {
 148         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 149         yaz_log(log_level, "Received ItemOrder");
 150         if (it->which == Z_IOItemOrder_esRequest)
 151         {
 152             Z_IORequest *ir = it->u.esRequest;
 153             Z_IOOriginPartToKeep *k = ir->toKeep;
 154             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 155             const char *xml_in_response = 0;
 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: " ODR_INT_PRINTF, *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",
 196                                     r->u.octet_aligned->len,
 197                                     r->u.octet_aligned->buf);
 198                         xml_in_response = "<dummy>x</dummy>";
 199                     }
 200                     if (!oid_oidcmp(r->direct_reference,
 201                                     yaz_oid_general_isoill_1))
 202                     {
 203                         yaz_log(log_level, "Decode ItemRequest begin");
 204                         if (r->which == ODR_EXTERNAL_single)
 205                         {
 206                             odr_setbuf(rr->decode,
 207                                        (char *) r->u.single_ASN1_type->buf,
 208                                        r->u.single_ASN1_type->len, 0);
 209
 210                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 211                             {
 212                                 yaz_log(log_level,
 213                                         "Couldn't decode ItemRequest %s near %ld",
 214                                         odr_errmsg(odr_geterror(rr->decode)),
 215                                         (long) odr_offset(rr->decode));
 216                             }
 217                             else
 218                                 yaz_log(log_level, "Decode ItemRequest OK");
 219                             if (rr->print)
 220                             {
 221                                 ill_ItemRequest(rr->print, &item_req, 0,
 222                                                 "ItemRequest");
 223                                 odr_reset(rr->print);
 224                             }
 225                         }
 226                         if (!item_req && r->which == ODR_EXTERNAL_single)
 227                         {
 228                             yaz_log(log_level, "Decode ILL APDU begin");
 229                             odr_setbuf(rr->decode,
 230                                        (char*) r->u.single_ASN1_type->buf,
 231                                        r->u.single_ASN1_type->len, 0);
 232
 233                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 234                             {
 235                                 yaz_log(log_level,
 236                                         "Couldn't decode ILL APDU %s near %ld",
 237                                         odr_errmsg(odr_geterror(rr->decode)),
 238                                         (long) odr_offset(rr->decode));
 239                                 yaz_log(log_level, "PDU dump:");
 240                                 odr_dumpBER(yaz_log_file(),
 241                                             (char *) r->u.single_ASN1_type->buf,
 242                                             r->u.single_ASN1_type->len);
 243                             }
 244                             else
 245                                 yaz_log(log_level, "Decode ILL APDU OK");
 246                             if (rr->print)
 247                             {
 248                                 ill_APDU(rr->print, &ill_apdu, 0,
 249                                          "ILL APDU");
 250                                 odr_reset(rr->print);
 251                             }
 252                         }
 253                     }
 254                 }
 255                 if (item_req)
 256                 {
 257                     yaz_log(log_level, "ILL protocol version = "
 258                             ODR_INT_PRINTF,
 259                             *item_req->protocol_version_num);
 260                 }
 261             }
 262             if (k)
 263             {
 264
 265                 Z_External *ext = (Z_External *)
 266                     odr_malloc(rr->stream, sizeof(*ext));
 267                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 268                     odr_malloc(rr->stream, sizeof(*keep));
 269                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 270                     odr_malloc(rr->stream, sizeof(*targetPart));
 271
 272                 rr->taskPackage = (Z_TaskPackage *)
 273                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 274                 rr->taskPackage->packageType =
 275                     odr_oiddup(rr->stream, rr->esr->packageType);
 276                 rr->taskPackage->packageName = 0;
 277                 rr->taskPackage->userId = 0;
 278                 rr->taskPackage->retentionTime = 0;
 279                 rr->taskPackage->permissions = 0;
 280                 rr->taskPackage->description = 0;
 281                 rr->taskPackage->targetReference = (Odr_oct *)
 282                     odr_malloc(rr->stream, sizeof(Odr_oct));
 283                 rr->taskPackage->targetReference->buf =
 284                     (unsigned char *) odr_strdup(rr->stream, "911");
 285                 rr->taskPackage->targetReference->len =
 286                     rr->taskPackage->targetReference->size =
 287                     strlen((char *) (rr->taskPackage->targetReference->buf));
 288                 rr->taskPackage->creationDateTime = 0;
 289                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 290                 rr->taskPackage->packageDiagnostics = 0;
 291                 rr->taskPackage->taskSpecificParameters = ext;
 292
 293                 ext->direct_reference =
 294                     odr_oiddup(rr->stream, rr->esr->packageType);
 295                 ext->indirect_reference = 0;
 296                 ext->descriptor = 0;
 297                 ext->which = Z_External_itemOrder;
 298                 ext->u.itemOrder = (Z_ItemOrder *)
 299                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 300                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 301                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 302                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 303                 ext->u.itemOrder->u.taskPackage->originPart = k;
 304                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 305
 306                 if (xml_in_response)
 307                     targetPart->itemRequest =
 308                         z_ext_record_xml(rr->stream, xml_in_response,
 309                                          strlen(xml_in_response));
 310                 else
 311                     targetPart->itemRequest = 0;
 312
 313                 targetPart->statusOrErrorReport = 0;
 314                 targetPart->auxiliaryStatus = 0;
 315             }
 316         }
 317     }
 318     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 319     {
 320         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 321         yaz_log(log_level, "Received DB Update");
 322         if (up->which == Z_IUUpdate_esRequest)
 323         {
 324             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 325             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 326             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 327
 328             yaz_log(log_level, "action");
 329             if (toKeep->action)
 330             {
 331                 switch (*toKeep->action)
 332                 {
 333                 case Z_IUOriginPartToKeep_recordInsert:
 334                     yaz_log(log_level, " recordInsert");
 335                     break;
 336                 case Z_IUOriginPartToKeep_recordReplace:
 337                     yaz_log(log_level, " recordReplace");
 338                     break;
 339                 case Z_IUOriginPartToKeep_recordDelete:
 340                     yaz_log(log_level, " recordDelete");
 341                     break;
 342                 case Z_IUOriginPartToKeep_elementUpdate:
 343                     yaz_log(log_level, " elementUpdate");
 344                     break;
 345                 case Z_IUOriginPartToKeep_specialUpdate:
 346                     yaz_log(log_level, " specialUpdate");
 347                     break;
 348                 default:
 349                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 350                             *toKeep->action);
 351                 }
 352             }
 353             if (toKeep->databaseName)
 354             {
 355                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 356                 if (!strcmp(toKeep->databaseName, "fault"))
 357                 {
 358                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 359                     rr->errstring = toKeep->databaseName;
 360                 }
 361                 if (!strcmp(toKeep->databaseName, "accept"))
 362                     rr->errcode = -1;
 363             }
 364             if (toKeep)
 365             {
 366                 Z_External *ext = (Z_External *)
 367                     odr_malloc(rr->stream, sizeof(*ext));
 368                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 369                     odr_malloc(rr->stream, sizeof(*keep));
 370                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 371                     odr_malloc(rr->stream, sizeof(*targetPart));
 372
 373                 rr->taskPackage = (Z_TaskPackage *)
 374                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 375                 rr->taskPackage->packageType =
 376                     odr_oiddup(rr->stream, rr->esr->packageType);
 377                 rr->taskPackage->packageName = 0;
 378                 rr->taskPackage->userId = 0;
 379                 rr->taskPackage->retentionTime = 0;
 380                 rr->taskPackage->permissions = 0;
 381                 rr->taskPackage->description = 0;
 382                 rr->taskPackage->targetReference = (Odr_oct *)
 383                     odr_malloc(rr->stream, sizeof(Odr_oct));
 384                 rr->taskPackage->targetReference->buf =
 385                     (unsigned char *) odr_strdup(rr->stream, "123");
 386                 rr->taskPackage->targetReference->len =
 387                     rr->taskPackage->targetReference->size =
 388                     strlen((char *) (rr->taskPackage->targetReference->buf));
 389                 rr->taskPackage->creationDateTime = 0;
 390                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 391                 rr->taskPackage->packageDiagnostics = 0;
 392                 rr->taskPackage->taskSpecificParameters = ext;
 393
 394                 ext->direct_reference =
 395                     odr_oiddup(rr->stream, rr->esr->packageType);
 396                 ext->indirect_reference = 0;
 397                 ext->descriptor = 0;
 398                 ext->which = Z_External_update;
 399                 ext->u.update = (Z_IUUpdate *)
 400                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 401                 ext->u.update->which = Z_IUUpdate_taskPackage;
 402                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 403                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 404                 ext->u.update->u.taskPackage->originPart = keep;
 405                 ext->u.update->u.taskPackage->targetPart = targetPart;
 406
 407                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 408                 keep->databaseName =
 409                     odr_strdup(rr->stream, toKeep->databaseName);
 410                 keep->schema = 0;
 411                 keep->elementSetName = 0;
 412                 keep->actionQualifier = 0;
 413
 414                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 415                 targetPart->num_globalDiagnostics = 0;
 416                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 417                 targetPart->num_taskPackageRecords = 1;
 418                 targetPart->taskPackageRecords =
 419                     (Z_IUTaskPackageRecordStructure **)
 420                     odr_malloc(rr->stream,
 421                                sizeof(Z_IUTaskPackageRecordStructure *));
 422                 targetPart->taskPackageRecords[0] =
 423                     (Z_IUTaskPackageRecordStructure *)
 424                     odr_malloc(rr->stream,
 425                                sizeof(Z_IUTaskPackageRecordStructure));
 426
 427                 targetPart->taskPackageRecords[0]->which =
 428                     Z_IUTaskPackageRecordStructure_record;
 429                 targetPart->taskPackageRecords[0]->u.record =
 430                     z_ext_record_sutrs(rr->stream, "test", 4);
 431                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 432                 targetPart->taskPackageRecords[0]->recordStatus =
 433                     odr_intdup(rr->stream,
 434                                Z_IUTaskPackageRecordStructure_success);
 435                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 436                     = 0;
 437
 438                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 439             }
 440             if (notToKeep)
 441             {
 442                 int i;
 443                 for (i = 0; i < notToKeep->num; i++)
 444                 {
 445                     Z_External *rec = notToKeep->elements[i]->record;
 446
 447                     if (rec->direct_reference)
 448                     {
 449                         char oid_name_str[OID_STR_MAX];
 450                         const char *oid_name
 451                             = oid_name = yaz_oid_to_string_buf(
 452                                 rec->direct_reference, 0,
 453                                 oid_name_str);
 454                         if (oid_name)
 455                             yaz_log(log_level, "record %d type %s", i,
 456                                     oid_name);
 457                     }
 458                     switch (rec->which)
 459                     {
 460                     case Z_External_sutrs:
 461                         if (rec->u.octet_aligned->len > 170)
 462                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 463                                     rec->u.sutrs->len,
 464                                     rec->u.sutrs->buf);
 465                         else
 466                             yaz_log(log_level, "%d bytes:\n%s",
 467                                     rec->u.sutrs->len,
 468                                     rec->u.sutrs->buf);
 469                         break;
 470                     case Z_External_octet        :
 471                         if (rec->u.octet_aligned->len > 170)
 472                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 473                                     rec->u.octet_aligned->len,
 474                                     rec->u.octet_aligned->buf);
 475                         else
 476                             yaz_log(log_level, "%d bytes\n%s",
 477                                     rec->u.octet_aligned->len,
 478                                     rec->u.octet_aligned->buf);
 479                     }
 480                 }
 481             }
 482         }
 483     }
 484     return 0;
 485 }
 486
 487 /* result set delete */
 488 int ztest_delete(void *handle, bend_delete_rr *rr)
 489 {
 490     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 491         rr->delete_status = Z_DeleteStatus_success;
 492     else
 493         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 494     return 0;
 495 }
 496
 497 /* Our sort handler really doesn't sort... */
 498 int ztest_sort(void *handle, bend_sort_rr *rr)
 499 {
 500     rr->errcode = 0;
 501     rr->sort_status = Z_SortResponse_success;
 502     return 0;
 503 }
 504
 505
 506 /* present request handler */
 507 int ztest_present(void *handle, bend_present_rr *rr)
 508 {
 509     return 0;
 510 }
 511
 512 /* retrieval of a single record (present, and piggy back search) */
 513 int ztest_fetch(void *handle, bend_fetch_rr *r)
 514 {
 515     char *cp;
 516     const Odr_oid *oid = r->request_format;
 517
 518     r->last_in_set = 0;
 519     r->basename = "Default";
 520     r->output_format = r->request_format;
 521
 522     if (!oid || yaz_oid_is_iso2709(oid))
 523     {
 524         cp = dummy_marc_record(r->number, r->stream);
 525         if (!cp)
 526         {
 527             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 528             return 0;
 529         }
 530         else
 531         {
 532             r->len = strlen(cp);
 533             r->record = cp;
 534             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 535         }
 536     }
 537     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 538     {
 539         cp = dummy_marc_record(r->number, r->stream);
 540         if (!cp)
 541         {
 542             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 543             return 0;
 544         }
 545         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 546         r->len = -1;
 547     }
 548     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 549     {
 550         /* this section returns a small record */
 551         char buf[100];
 552
 553         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 554
 555         r->len = strlen(buf);
 556         r->record = (char *) odr_malloc(r->stream, r->len+1);
 557         strcpy(r->record, buf);
 558     }
 559     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 560     {
 561         r->len = -1;
 562         r->record = (char*) dummy_grs_record(r->number, r->stream);
 563         if (!r->record)
 564         {
 565             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 566             return 0;
 567         }
 568     }
 569     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 570     {
 571         char fname[20];
 572         FILE *f;
 573         long size;
 574
 575         sprintf(fname, "part.%d.ps", r->number);
 576         f = fopen(fname, "rb");
 577         if (!f)
 578         {
 579             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 580             return 0;
 581         }
 582         fseek(f, 0L, SEEK_END);
 583         size = ftell(f);
 584         if (size <= 0 || size >= 5000000)
 585         {
 586             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 587         }
 588         fseek(f, 0L, SEEK_SET);
 589         r->record = (char*) odr_malloc(r->stream, size);
 590         r->len = size;
 591         if (fread(r->record, size, 1, f) != 1)
 592         {
 593             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 594         }
 595         fclose(f);
 596     }
 597     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 598     {
 599         if ((cp = dummy_xml_record(r->number, r->stream)))
 600         {
 601             r->len = strlen(cp);
 602             r->record = cp;
 603         }
 604         else
 605         {
 606             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 607             r->surrogate_flag = 1;
 608             return 0;
 609         }
 610     }
 611     else
 612     {
 613         char buf[OID_STR_MAX];
 614         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 615         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 616         return 0;
 617     }
 618     r->errcode = 0;
 619     return 0;
 620 }
 621
 622 /*
 623  * silly dummy-scan what reads words from a file.
 624  */
 625 int ztest_scan(void *handle, bend_scan_rr *q)
 626 {
 627     static FILE *f = 0;
 628     static struct scan_entry list[200];
 629     static char entries[200][80];
 630     int hits[200];
 631     char term[80], *p;
 632     int i, pos;
 633     int term_position_req = q->term_position;
 634     int num_entries_req = q->num_entries;
 635
 636     /* Throw Database unavailable if other than Default or Slow */
 637     if (!yaz_matchstr(q->basenames[0], "Default"))
 638         ;  /* Default is OK in our test */
 639     else if(!yaz_matchstr(q->basenames[0], "Slow"))
 640     {
 641 #if HAVE_UNISTD_H
 642         sleep(3);
 643 #endif
 644         ;
 645     }
 646     else
 647     {
 648         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 649         q->errstring = q->basenames[0];
 650         return 0;
 651     }
 652
 653     q->errcode = 0;
 654     q->errstring = 0;
 655     q->entries = list;
 656     q->status = BEND_SCAN_SUCCESS;
 657     if (!f && !(f = fopen("dummy-words", "r")))
 658     {
 659         perror("dummy-words");
 660         exit(1);
 661     }
 662     if (q->num_entries > 200)
 663     {
 664         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 665         return 0;
 666     }
 667     if (q->term)
 668     {
 669         int len;
 670         if (q->term->term->which != Z_Term_general)
 671         {
 672             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 673             return 0;
 674         }
 675         if (*q->step_size != 0)
 676         {
 677             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 678             return 0;
 679         }
 680         len = q->term->term->u.general->len;
 681         if (len >= sizeof(term))
 682             len = sizeof(term)-1;
 683         memcpy(term, q->term->term->u.general->buf, len);
 684         term[len] = '\0';
 685     }
 686     else if (q->scanClause)
 687     {
 688         strncpy(term, q->scanClause, sizeof(term)-1);
 689         term[sizeof(term)-1] = '\0';
 690     }
 691     else
 692         strcpy(term, "0");
 693
 694     for (p = term; *p; p++)
 695         if (islower(*(unsigned char *) p))
 696             *p = toupper(*p);
 697
 698     fseek(f, 0, SEEK_SET);
 699     q->num_entries = 0;
 700
 701     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 702          i++, pos < 199 ? pos++ : (pos = 0))
 703     {
 704         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 705         {
 706             if ((q->term_position = term_position_req) > i + 1)
 707             {
 708                 q->term_position = i + 1;
 709                 q->status = BEND_SCAN_PARTIAL;
 710             }
 711             for (; q->num_entries < q->term_position; q->num_entries++)
 712             {
 713                 int po;
 714
 715                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 716                 if (po < 0)
 717                     po += 200;
 718
 719                 if (!strcmp(term, "SD") && q->num_entries == 2)
 720                 {
 721                     list[q->num_entries].term = entries[pos];
 722                     list[q->num_entries].occurrences = -1;
 723                     list[q->num_entries].errcode =
 724                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
 725                     list[q->num_entries].errstring = "SD for Scan Term";
 726                 }
 727                 else
 728                 {
 729                     list[q->num_entries].term = entries[po];
 730                     list[q->num_entries].occurrences = hits[po];
 731                 }
 732             }
 733         }
 734         else if (q->num_entries)
 735         {
 736             list[q->num_entries].term = entries[pos];
 737             list[q->num_entries].occurrences = hits[pos];
 738             q->num_entries++;
 739         }
 740         if (q->num_entries >= num_entries_req)
 741             break;
 742     }
 743     if (feof(f))
 744         q->status = BEND_SCAN_PARTIAL;
 745     return 0;
 746 }
 747
 748 int ztest_explain(void *handle, bend_explain_rr *rr)
 749 {
 750     if (rr->database && !strcmp(rr->database, "Default"))
 751     {
 752         rr->explain_buf = "<explain>\n"
 753             "\t<serverInfo>\n"
 754             "\t\t<host>localhost</host>\n"
 755             "\t\t<port>210</port>\n"
 756             "\t</serverInfo>\n"
 757             "</explain>\n";
 758     }
 759     return 0;
 760 }
 761
 762 int ztest_update(void *handle, bend_update_rr *rr)
 763 {
 764     rr->operation_status = "success";
 765     return 0;
 766 }
 767
 768 bend_initresult *bend_init(bend_initrequest *q)
 769 {
 770     bend_initresult *r = (bend_initresult *)
 771         odr_malloc(q->stream, sizeof(*r));
 772     int *counter = (int *) xmalloc(sizeof(int));
 773
 774     if (!log_level_set)
 775     {
 776         log_level=yaz_log_module_level("ztest");
 777         log_level_set=1;
 778     }
 779
 780     *counter = 0;
 781     r->errcode = 0;
 782     r->errstring = 0;
 783     r->handle = counter;         /* user handle, in this case a simple int */
 784     q->bend_sort = ztest_sort;              /* register sort handler */
 785     q->bend_search = ztest_search;          /* register search handler */
 786     q->bend_present = ztest_present;        /* register present handle */
 787     q->bend_esrequest = ztest_esrequest;
 788     q->bend_delete = ztest_delete;
 789     q->bend_fetch = ztest_fetch;
 790     q->bend_scan = ztest_scan;
 791 #if 0
 792     q->bend_explain = ztest_explain;
 793 #endif
 794     q->bend_srw_scan = ztest_scan;
 795     q->bend_srw_update = ztest_update;
 796
 797     q->query_charset = "ISO-8859-1";
 798     q->records_in_same_charset = 0;
 799
 800     return r;
 801 }
 802
 803 void bend_close(void *handle)
 804 {
 805     xfree(handle);              /* release our user-defined handle */
 806     return;
 807 }
 808
 809 int main(int argc, char **argv)
 810 {
 811     return statserv_main(argc, argv, bend_init, bend_close);
 812 }
 813 /*
 814  * Local variables:
 815  * c-basic-offset: 4
 816  * c-file-style: "Stroustrup"
 817  * indent-tabs-mode: nil
 818  * End:
 819  * vim: shiftwidth=4 tabstop=8 expandtab
 820  */
 821