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 /** \brief checks if it's a dummy Slow database..
  87     \param basename database name to check
  88     \param association backend association (or NULL if not available)
  89     \retval 1 is slow database
  90     \retval 0 is not a slow database
  91
  92     The Slow database is for testing.. It allows us to simulate
  93     a slow server...
  94 */
  95 static int check_slow(const char *basename, bend_association association)
  96 {
  97     if (strncmp(basename, "Slow", 4) == 0)
  98     {
  99 #if HAVE_UNISTD_H
 100         int i, w = 3;
 101         if (basename[4])
 102             sscanf(basename+4, "%d", &w);
 103         /* wait up to 3 seconds and check if connection is still alive */
 104         for (i = 0; i < w; i++)
 105         {
 106             if (association && !bend_assoc_is_alive(association))
 107             {
 108                 yaz_log(YLOG_LOG, "search aborted");
 109                 break;
 110             }
 111             sleep(1);
 112         }
 113 #endif
 114         return 1;
 115     }
 116     return 0;
 117 }
 118
 119 int ztest_search(void *handle, bend_search_rr *rr)
 120 {
 121     if (rr->num_bases != 1)
 122     {
 123         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 124         return 0;
 125     }
 126     /* Throw Database unavailable if other than Default or Slow */
 127     if (!yaz_matchstr(rr->basenames[0], "Default"))
 128         ;  /* Default is OK in our test */
 129     else if (check_slow(rr->basenames[0], rr->association))
 130     {
 131         rr->estimated_hit_count = 1;
 132     }
 133     else
 134     {
 135         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 136         rr->errstring = rr->basenames[0];
 137         return 0;
 138     }
 139
 140     rr->hits = get_hit_count(rr->query);
 141     return 0;
 142 }
 143
 144
 145 /* this huge function handles extended services */
 146 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 147 {
 148     /* user-defined handle - created in bend_init */
 149     int *counter = (int*) handle;
 150
 151     yaz_log(log_level, "ESRequest no %d", *counter);
 152
 153     (*counter)++;
 154
 155     if (rr->esr->packageName)
 156         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 157     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 158
 159
 160     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 161
 162     if (!rr->esr->taskSpecificParameters)
 163     {
 164         yaz_log(log_level, "No task specific parameters");
 165     }
 166     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 167     {
 168         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 169         yaz_log(log_level, "Received ItemOrder");
 170         if (it->which == Z_IOItemOrder_esRequest)
 171         {
 172             Z_IORequest *ir = it->u.esRequest;
 173             Z_IOOriginPartToKeep *k = ir->toKeep;
 174             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 175             const char *xml_in_response = 0;
 176
 177             if (k && k->contact)
 178             {
 179                 if (k->contact->name)
 180                     yaz_log(log_level, "contact name %s", k->contact->name);
 181                 if (k->contact->phone)
 182                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 183                 if (k->contact->email)
 184                     yaz_log(log_level, "contact email %s", k->contact->email);
 185             }
 186             if (k->addlBilling)
 187             {
 188                 yaz_log(log_level, "Billing info (not shown)");
 189             }
 190
 191             if (n->resultSetItem)
 192             {
 193                 yaz_log(log_level, "resultsetItem");
 194                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 195                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 196             }
 197             if (n->itemRequest)
 198             {
 199                 Z_External *r = (Z_External*) n->itemRequest;
 200                 ILL_ItemRequest *item_req = 0;
 201                 ILL_APDU *ill_apdu = 0;
 202                 if (r->direct_reference)
 203                 {
 204                     char oid_name_str[OID_STR_MAX];
 205                     oid_class oclass;
 206                     const char *oid_name =
 207                         yaz_oid_to_string_buf(r->direct_reference,
 208                                               &oclass, oid_name_str);
 209                     if (oid_name)
 210                         yaz_log(log_level, "OID %s", oid_name);
 211                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 212                     {
 213                         yaz_log(log_level, "ILL XML request");
 214                         if (r->which == Z_External_octet)
 215                             yaz_log(log_level, "%.*s",
 216                                     r->u.octet_aligned->len,
 217                                     r->u.octet_aligned->buf);
 218                         xml_in_response = "<dummy>x</dummy>";
 219                     }
 220                     if (!oid_oidcmp(r->direct_reference,
 221                                     yaz_oid_general_isoill_1))
 222                     {
 223                         yaz_log(log_level, "Decode ItemRequest begin");
 224                         if (r->which == ODR_EXTERNAL_single)
 225                         {
 226                             odr_setbuf(rr->decode,
 227                                        (char *) r->u.single_ASN1_type->buf,
 228                                        r->u.single_ASN1_type->len, 0);
 229
 230                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 231                             {
 232                                 yaz_log(log_level,
 233                                         "Couldn't decode ItemRequest %s near %ld",
 234                                         odr_errmsg(odr_geterror(rr->decode)),
 235                                         (long) odr_offset(rr->decode));
 236                             }
 237                             else
 238                                 yaz_log(log_level, "Decode ItemRequest OK");
 239                             if (rr->print)
 240                             {
 241                                 ill_ItemRequest(rr->print, &item_req, 0,
 242                                                 "ItemRequest");
 243                                 odr_reset(rr->print);
 244                             }
 245                         }
 246                         if (!item_req && r->which == ODR_EXTERNAL_single)
 247                         {
 248                             yaz_log(log_level, "Decode ILL APDU begin");
 249                             odr_setbuf(rr->decode,
 250                                        (char*) r->u.single_ASN1_type->buf,
 251                                        r->u.single_ASN1_type->len, 0);
 252
 253                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 254                             {
 255                                 yaz_log(log_level,
 256                                         "Couldn't decode ILL APDU %s near %ld",
 257                                         odr_errmsg(odr_geterror(rr->decode)),
 258                                         (long) odr_offset(rr->decode));
 259                                 yaz_log(log_level, "PDU dump:");
 260                                 odr_dumpBER(yaz_log_file(),
 261                                             (char *) r->u.single_ASN1_type->buf,
 262                                             r->u.single_ASN1_type->len);
 263                             }
 264                             else
 265                                 yaz_log(log_level, "Decode ILL APDU OK");
 266                             if (rr->print)
 267                             {
 268                                 ill_APDU(rr->print, &ill_apdu, 0,
 269                                          "ILL APDU");
 270                                 odr_reset(rr->print);
 271                             }
 272                         }
 273                     }
 274                 }
 275                 if (item_req)
 276                 {
 277                     yaz_log(log_level, "ILL protocol version = "
 278                             ODR_INT_PRINTF,
 279                             *item_req->protocol_version_num);
 280                 }
 281             }
 282             if (k)
 283             {
 284
 285                 Z_External *ext = (Z_External *)
 286                     odr_malloc(rr->stream, sizeof(*ext));
 287                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 288                     odr_malloc(rr->stream, sizeof(*keep));
 289                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 290                     odr_malloc(rr->stream, sizeof(*targetPart));
 291
 292                 rr->taskPackage = (Z_TaskPackage *)
 293                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 294                 rr->taskPackage->packageType =
 295                     odr_oiddup(rr->stream, rr->esr->packageType);
 296                 rr->taskPackage->packageName = 0;
 297                 rr->taskPackage->userId = 0;
 298                 rr->taskPackage->retentionTime = 0;
 299                 rr->taskPackage->permissions = 0;
 300                 rr->taskPackage->description = 0;
 301                 rr->taskPackage->targetReference = (Odr_oct *)
 302                     odr_malloc(rr->stream, sizeof(Odr_oct));
 303                 rr->taskPackage->targetReference->buf =
 304                     (unsigned char *) odr_strdup(rr->stream, "911");
 305                 rr->taskPackage->targetReference->len =
 306                     rr->taskPackage->targetReference->size =
 307                     strlen((char *) (rr->taskPackage->targetReference->buf));
 308                 rr->taskPackage->creationDateTime = 0;
 309                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 310                 rr->taskPackage->packageDiagnostics = 0;
 311                 rr->taskPackage->taskSpecificParameters = ext;
 312
 313                 ext->direct_reference =
 314                     odr_oiddup(rr->stream, rr->esr->packageType);
 315                 ext->indirect_reference = 0;
 316                 ext->descriptor = 0;
 317                 ext->which = Z_External_itemOrder;
 318                 ext->u.itemOrder = (Z_ItemOrder *)
 319                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 320                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 321                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 322                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 323                 ext->u.itemOrder->u.taskPackage->originPart = k;
 324                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 325
 326                 if (xml_in_response)
 327                     targetPart->itemRequest =
 328                         z_ext_record_xml(rr->stream, xml_in_response,
 329                                          strlen(xml_in_response));
 330                 else
 331                     targetPart->itemRequest = 0;
 332
 333                 targetPart->statusOrErrorReport = 0;
 334                 targetPart->auxiliaryStatus = 0;
 335             }
 336         }
 337     }
 338     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 339     {
 340         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 341         yaz_log(log_level, "Received DB Update");
 342         if (up->which == Z_IUUpdate_esRequest)
 343         {
 344             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 345             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 346             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 347
 348             yaz_log(log_level, "action");
 349             if (toKeep->action)
 350             {
 351                 switch (*toKeep->action)
 352                 {
 353                 case Z_IUOriginPartToKeep_recordInsert:
 354                     yaz_log(log_level, " recordInsert");
 355                     break;
 356                 case Z_IUOriginPartToKeep_recordReplace:
 357                     yaz_log(log_level, " recordReplace");
 358                     break;
 359                 case Z_IUOriginPartToKeep_recordDelete:
 360                     yaz_log(log_level, " recordDelete");
 361                     break;
 362                 case Z_IUOriginPartToKeep_elementUpdate:
 363                     yaz_log(log_level, " elementUpdate");
 364                     break;
 365                 case Z_IUOriginPartToKeep_specialUpdate:
 366                     yaz_log(log_level, " specialUpdate");
 367                     break;
 368                 default:
 369                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 370                             *toKeep->action);
 371                 }
 372             }
 373             if (toKeep->databaseName)
 374             {
 375                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 376                 if (!strcmp(toKeep->databaseName, "fault"))
 377                 {
 378                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 379                     rr->errstring = toKeep->databaseName;
 380                 }
 381                 if (!strcmp(toKeep->databaseName, "accept"))
 382                     rr->errcode = -1;
 383             }
 384             if (toKeep)
 385             {
 386                 Z_External *ext = (Z_External *)
 387                     odr_malloc(rr->stream, sizeof(*ext));
 388                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 389                     odr_malloc(rr->stream, sizeof(*keep));
 390                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 391                     odr_malloc(rr->stream, sizeof(*targetPart));
 392
 393                 rr->taskPackage = (Z_TaskPackage *)
 394                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 395                 rr->taskPackage->packageType =
 396                     odr_oiddup(rr->stream, rr->esr->packageType);
 397                 rr->taskPackage->packageName = 0;
 398                 rr->taskPackage->userId = 0;
 399                 rr->taskPackage->retentionTime = 0;
 400                 rr->taskPackage->permissions = 0;
 401                 rr->taskPackage->description = 0;
 402                 rr->taskPackage->targetReference = (Odr_oct *)
 403                     odr_malloc(rr->stream, sizeof(Odr_oct));
 404                 rr->taskPackage->targetReference->buf =
 405                     (unsigned char *) odr_strdup(rr->stream, "123");
 406                 rr->taskPackage->targetReference->len =
 407                     rr->taskPackage->targetReference->size =
 408                     strlen((char *) (rr->taskPackage->targetReference->buf));
 409                 rr->taskPackage->creationDateTime = 0;
 410                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 411                 rr->taskPackage->packageDiagnostics = 0;
 412                 rr->taskPackage->taskSpecificParameters = ext;
 413
 414                 ext->direct_reference =
 415                     odr_oiddup(rr->stream, rr->esr->packageType);
 416                 ext->indirect_reference = 0;
 417                 ext->descriptor = 0;
 418                 ext->which = Z_External_update;
 419                 ext->u.update = (Z_IUUpdate *)
 420                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 421                 ext->u.update->which = Z_IUUpdate_taskPackage;
 422                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 423                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 424                 ext->u.update->u.taskPackage->originPart = keep;
 425                 ext->u.update->u.taskPackage->targetPart = targetPart;
 426
 427                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 428                 keep->databaseName =
 429                     odr_strdup(rr->stream, toKeep->databaseName);
 430                 keep->schema = 0;
 431                 keep->elementSetName = 0;
 432                 keep->actionQualifier = 0;
 433
 434                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 435                 targetPart->num_globalDiagnostics = 0;
 436                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 437                 targetPart->num_taskPackageRecords = 1;
 438                 targetPart->taskPackageRecords =
 439                     (Z_IUTaskPackageRecordStructure **)
 440                     odr_malloc(rr->stream,
 441                                sizeof(Z_IUTaskPackageRecordStructure *));
 442                 targetPart->taskPackageRecords[0] =
 443                     (Z_IUTaskPackageRecordStructure *)
 444                     odr_malloc(rr->stream,
 445                                sizeof(Z_IUTaskPackageRecordStructure));
 446
 447                 targetPart->taskPackageRecords[0]->which =
 448                     Z_IUTaskPackageRecordStructure_record;
 449                 targetPart->taskPackageRecords[0]->u.record =
 450                     z_ext_record_sutrs(rr->stream, "test", 4);
 451                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 452                 targetPart->taskPackageRecords[0]->recordStatus =
 453                     odr_intdup(rr->stream,
 454                                Z_IUTaskPackageRecordStructure_success);
 455                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 456                     = 0;
 457
 458                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 459             }
 460             if (notToKeep)
 461             {
 462                 int i;
 463                 for (i = 0; i < notToKeep->num; i++)
 464                 {
 465                     Z_External *rec = notToKeep->elements[i]->record;
 466
 467                     if (rec->direct_reference)
 468                     {
 469                         char oid_name_str[OID_STR_MAX];
 470                         const char *oid_name
 471                             = oid_name = yaz_oid_to_string_buf(
 472                                 rec->direct_reference, 0,
 473                                 oid_name_str);
 474                         if (oid_name)
 475                             yaz_log(log_level, "record %d type %s", i,
 476                                     oid_name);
 477                     }
 478                     switch (rec->which)
 479                     {
 480                     case Z_External_sutrs:
 481                         if (rec->u.octet_aligned->len > 170)
 482                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 483                                     rec->u.sutrs->len,
 484                                     rec->u.sutrs->buf);
 485                         else
 486                             yaz_log(log_level, "%d bytes:\n%s",
 487                                     rec->u.sutrs->len,
 488                                     rec->u.sutrs->buf);
 489                         break;
 490                     case Z_External_octet        :
 491                         if (rec->u.octet_aligned->len > 170)
 492                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 493                                     rec->u.octet_aligned->len,
 494                                     rec->u.octet_aligned->buf);
 495                         else
 496                             yaz_log(log_level, "%d bytes\n%s",
 497                                     rec->u.octet_aligned->len,
 498                                     rec->u.octet_aligned->buf);
 499                     }
 500                 }
 501             }
 502         }
 503     }
 504     return 0;
 505 }
 506
 507 /* result set delete */
 508 int ztest_delete(void *handle, bend_delete_rr *rr)
 509 {
 510     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 511         rr->delete_status = Z_DeleteStatus_success;
 512     else
 513         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 514     return 0;
 515 }
 516
 517 /* Our sort handler really doesn't sort... */
 518 int ztest_sort(void *handle, bend_sort_rr *rr)
 519 {
 520     rr->errcode = 0;
 521     rr->sort_status = Z_SortResponse_success;
 522     return 0;
 523 }
 524
 525
 526 /* present request handler */
 527 int ztest_present(void *handle, bend_present_rr *rr)
 528 {
 529     return 0;
 530 }
 531
 532 /* retrieval of a single record (present, and piggy back search) */
 533 int ztest_fetch(void *handle, bend_fetch_rr *r)
 534 {
 535     char *cp;
 536     const Odr_oid *oid = r->request_format;
 537
 538     r->last_in_set = 0;
 539     r->basename = "Default";
 540     r->output_format = r->request_format;
 541
 542     if (!oid || yaz_oid_is_iso2709(oid))
 543     {
 544         cp = dummy_marc_record(r->number, r->stream);
 545         if (!cp)
 546         {
 547             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 548             return 0;
 549         }
 550         else
 551         {
 552             r->len = strlen(cp);
 553             r->record = cp;
 554             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 555         }
 556     }
 557     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 558     {
 559         cp = dummy_marc_record(r->number, r->stream);
 560         if (!cp)
 561         {
 562             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 563             return 0;
 564         }
 565         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 566         r->len = -1;
 567     }
 568     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 569     {
 570         /* this section returns a small record */
 571         char buf[100];
 572
 573         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 574
 575         r->len = strlen(buf);
 576         r->record = (char *) odr_malloc(r->stream, r->len+1);
 577         strcpy(r->record, buf);
 578     }
 579     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 580     {
 581         r->len = -1;
 582         r->record = (char*) dummy_grs_record(r->number, r->stream);
 583         if (!r->record)
 584         {
 585             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 586             return 0;
 587         }
 588     }
 589     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 590     {
 591         char fname[20];
 592         FILE *f;
 593         long size;
 594
 595         sprintf(fname, "part.%d.ps", r->number);
 596         f = fopen(fname, "rb");
 597         if (!f)
 598         {
 599             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 600             return 0;
 601         }
 602         fseek(f, 0L, SEEK_END);
 603         size = ftell(f);
 604         if (size <= 0 || size >= 5000000)
 605         {
 606             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 607         }
 608         fseek(f, 0L, SEEK_SET);
 609         r->record = (char*) odr_malloc(r->stream, size);
 610         r->len = size;
 611         if (fread(r->record, size, 1, f) != 1)
 612         {
 613             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 614         }
 615         fclose(f);
 616     }
 617     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 618     {
 619         if ((cp = dummy_xml_record(r->number, r->stream)))
 620         {
 621             r->len = strlen(cp);
 622             r->record = cp;
 623         }
 624         else
 625         {
 626             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 627             r->surrogate_flag = 1;
 628             return 0;
 629         }
 630     }
 631     else
 632     {
 633         char buf[OID_STR_MAX];
 634         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 635         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 636         return 0;
 637     }
 638     r->errcode = 0;
 639     return 0;
 640 }
 641
 642 /*
 643  * silly dummy-scan what reads words from a file.
 644  */
 645 int ztest_scan(void *handle, bend_scan_rr *q)
 646 {
 647     static FILE *f = 0;
 648     static struct scan_entry list[200];
 649     static char entries[200][80];
 650     int hits[200];
 651     char term[80], *p;
 652     int i, pos;
 653     int term_position_req = q->term_position;
 654     int num_entries_req = q->num_entries;
 655
 656     /* Throw Database unavailable if other than Default or Slow */
 657     if (!yaz_matchstr(q->basenames[0], "Default"))
 658         ;  /* Default is OK in our test */
 659     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 660         ;
 661     else
 662     {
 663         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 664         q->errstring = q->basenames[0];
 665         return 0;
 666     }
 667
 668     q->errcode = 0;
 669     q->errstring = 0;
 670     q->entries = list;
 671     q->status = BEND_SCAN_SUCCESS;
 672     if (!f && !(f = fopen("dummy-words", "r")))
 673     {
 674         perror("dummy-words");
 675         exit(1);
 676     }
 677     if (q->num_entries > 200)
 678     {
 679         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 680         return 0;
 681     }
 682     if (q->term)
 683     {
 684         int len;
 685         if (q->term->term->which != Z_Term_general)
 686         {
 687             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 688             return 0;
 689         }
 690         if (*q->step_size != 0)
 691         {
 692             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 693             return 0;
 694         }
 695         len = q->term->term->u.general->len;
 696         if (len >= sizeof(term))
 697             len = sizeof(term)-1;
 698         memcpy(term, q->term->term->u.general->buf, len);
 699         term[len] = '\0';
 700     }
 701     else if (q->scanClause)
 702     {
 703         strncpy(term, q->scanClause, sizeof(term)-1);
 704         term[sizeof(term)-1] = '\0';
 705     }
 706     else
 707         strcpy(term, "0");
 708
 709     for (p = term; *p; p++)
 710         if (islower(*(unsigned char *) p))
 711             *p = toupper(*p);
 712
 713     fseek(f, 0, SEEK_SET);
 714     q->num_entries = 0;
 715
 716     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 717          i++, pos < 199 ? pos++ : (pos = 0))
 718     {
 719         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 720         {
 721             if ((q->term_position = term_position_req) > i + 1)
 722             {
 723                 q->term_position = i + 1;
 724                 q->status = BEND_SCAN_PARTIAL;
 725             }
 726             for (; q->num_entries < q->term_position; q->num_entries++)
 727             {
 728                 int po;
 729
 730                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 731                 if (po < 0)
 732                     po += 200;
 733
 734                 if (!strcmp(term, "SD") && q->num_entries == 2)
 735                 {
 736                     list[q->num_entries].term = entries[pos];
 737                     list[q->num_entries].occurrences = -1;
 738                     list[q->num_entries].errcode =
 739                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
 740                     list[q->num_entries].errstring = "SD for Scan Term";
 741                 }
 742                 else
 743                 {
 744                     list[q->num_entries].term = entries[po];
 745                     list[q->num_entries].occurrences = hits[po];
 746                 }
 747             }
 748         }
 749         else if (q->num_entries)
 750         {
 751             list[q->num_entries].term = entries[pos];
 752             list[q->num_entries].occurrences = hits[pos];
 753             q->num_entries++;
 754         }
 755         if (q->num_entries >= num_entries_req)
 756             break;
 757     }
 758     if (feof(f))
 759         q->status = BEND_SCAN_PARTIAL;
 760     return 0;
 761 }
 762
 763 int ztest_explain(void *handle, bend_explain_rr *rr)
 764 {
 765     if (rr->database && !strcmp(rr->database, "Default"))
 766     {
 767         rr->explain_buf = "<explain>\n"
 768             "\t<serverInfo>\n"
 769             "\t\t<host>localhost</host>\n"
 770             "\t\t<port>210</port>\n"
 771             "\t</serverInfo>\n"
 772             "</explain>\n";
 773     }
 774     return 0;
 775 }
 776
 777 int ztest_update(void *handle, bend_update_rr *rr)
 778 {
 779     rr->operation_status = "success";
 780     return 0;
 781 }
 782
 783 bend_initresult *bend_init(bend_initrequest *q)
 784 {
 785     bend_initresult *r = (bend_initresult *)
 786         odr_malloc(q->stream, sizeof(*r));
 787     int *counter = (int *) xmalloc(sizeof(int));
 788
 789     if (!log_level_set)
 790     {
 791         log_level=yaz_log_module_level("ztest");
 792         log_level_set=1;
 793     }
 794
 795     *counter = 0;
 796     r->errcode = 0;
 797     r->errstring = 0;
 798     r->handle = counter;         /* user handle, in this case a simple int */
 799     q->bend_sort = ztest_sort;              /* register sort handler */
 800     q->bend_search = ztest_search;          /* register search handler */
 801     q->bend_present = ztest_present;        /* register present handle */
 802     q->bend_esrequest = ztest_esrequest;
 803     q->bend_delete = ztest_delete;
 804     q->bend_fetch = ztest_fetch;
 805     q->bend_scan = ztest_scan;
 806 #if 0
 807     q->bend_explain = ztest_explain;
 808 #endif
 809     q->bend_srw_scan = ztest_scan;
 810     q->bend_srw_update = ztest_update;
 811
 812     q->query_charset = "ISO-8859-1";
 813     q->records_in_same_charset = 0;
 814
 815     return r;
 816 }
 817
 818 void bend_close(void *handle)
 819 {
 820     xfree(handle);              /* release our user-defined handle */
 821     return;
 822 }
 823
 824 int main(int argc, char **argv)
 825 {
 826     return statserv_main(argc, argv, bend_init, bend_close);
 827 }
 828 /*
 829  * Local variables:
 830  * c-basic-offset: 4
 831  * c-file-style: "Stroustrup"
 832  * indent-tabs-mode: nil
 833  * End:
 834  * vim: shiftwidth=4 tabstop=8 expandtab
 835  */
 836