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 Odr_int get_term_hit(Z_RPNStructure *s)
  42 {
  43     Odr_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                 {
  55                     char *endptr;
  56                     WRBUF hits_str = wrbuf_alloc();
  57                     wrbuf_write(hits_str, (const char *) oct->buf, oct->len);
  58 #ifdef WIN32
  59                     h = _strtoui64(wrbuf_cstr(hits_str), &endptr, 10);
  60 #else
  61                     h = strtoll(wrbuf_cstr(hits_str), &endptr, 10);
  62 #endif
  63                     wrbuf_destroy(hits_str);
  64                 }
  65             }
  66         }
  67         break;
  68     case Z_RPNStructure_complex:
  69         h = get_term_hit(s->u.complex->s1);
  70         if (h == -1)
  71             h = get_term_hit(s->u.complex->s2);
  72         break;
  73     }
  74     return h;
  75 }
  76
  77 /** \brief gets hit count for numeric terms in RPN queries
  78     \param q RPN Query
  79     \return number of hits (random or number for term)
  80
  81     This is just for testing.. A real database of course uses
  82     the content of a database to establish a value.. In our case, we
  83     have a way to trigger a certain hit count. Good for testing of
  84     client applications etc
  85 */
  86 static Odr_int get_hit_count(Z_Query *q)
  87 {
  88     Odr_int h = -1;
  89     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
  90         h = get_term_hit(q->u.type_1->RPNStructure);
  91     if (h == -1)
  92         h = rand() % 24;
  93     return h;
  94 }
  95
  96 /** \brief checks if it's a dummy Slow database..
  97     \param basename database name to check
  98     \param association backend association (or NULL if not available)
  99     \retval 1 is slow database
 100     \retval 0 is not a slow database
 101
 102     The Slow database is for testing.. It allows us to simulate
 103     a slow server...
 104 */
 105 static int check_slow(const char *basename, bend_association association)
 106 {
 107     if (strncmp(basename, "Slow", 4) == 0)
 108     {
 109 #if HAVE_UNISTD_H
 110         int i, w = 3;
 111         if (basename[4])
 112             sscanf(basename+4, "%d", &w);
 113         /* wait up to 3 seconds and check if connection is still alive */
 114         for (i = 0; i < w; i++)
 115         {
 116             if (association && !bend_assoc_is_alive(association))
 117             {
 118                 yaz_log(YLOG_LOG, "search aborted");
 119                 break;
 120             }
 121             sleep(1);
 122         }
 123 #endif
 124         return 1;
 125     }
 126     return 0;
 127 }
 128
 129 int ztest_search(void *handle, bend_search_rr *rr)
 130 {
 131     if (rr->num_bases != 1)
 132     {
 133         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 134         return 0;
 135     }
 136     /* Throw Database unavailable if other than Default or Slow */
 137     if (!yaz_matchstr(rr->basenames[0], "Default"))
 138         ;  /* Default is OK in our test */
 139     else if (check_slow(rr->basenames[0], rr->association))
 140     {
 141         rr->estimated_hit_count = 1;
 142     }
 143     else
 144     {
 145         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 146         rr->errstring = rr->basenames[0];
 147         return 0;
 148     }
 149
 150     if (rr->extra_args)
 151     {
 152         Z_SRW_extra_arg *a;
 153         WRBUF response_xml = wrbuf_alloc();
 154         wrbuf_puts(response_xml, "<extra>");
 155         for (a = rr->extra_args; a; a = a->next)
 156         {
 157             wrbuf_puts(response_xml, "<extra name=\"");
 158             wrbuf_xmlputs(response_xml, a->name);
 159             wrbuf_puts(response_xml, "\"");
 160             if (a->value)
 161             {
 162                 wrbuf_puts(response_xml, " value=\"");
 163                 wrbuf_xmlputs(response_xml, a->value);
 164                 wrbuf_puts(response_xml, "\"");
 165             }
 166             wrbuf_puts(response_xml, "/>");
 167         }
 168         wrbuf_puts(response_xml, "</extra>");
 169         rr->extra_response_data =
 170             odr_strdup(rr->stream, wrbuf_cstr(response_xml));
 171         wrbuf_destroy(response_xml);
 172     }
 173     rr->hits = get_hit_count(rr->query);
 174     return 0;
 175 }
 176
 177
 178 /* this huge function handles extended services */
 179 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 180 {
 181     /* user-defined handle - created in bend_init */
 182     int *counter = (int*) handle;
 183
 184     yaz_log(log_level, "ESRequest no %d", *counter);
 185
 186     (*counter)++;
 187
 188     if (rr->esr->packageName)
 189         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 190     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 191
 192
 193     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 194
 195     if (!rr->esr->taskSpecificParameters)
 196     {
 197         yaz_log(log_level, "No task specific parameters");
 198     }
 199     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 200     {
 201         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 202         yaz_log(log_level, "Received ItemOrder");
 203         if (it->which == Z_IOItemOrder_esRequest)
 204         {
 205             Z_IORequest *ir = it->u.esRequest;
 206             Z_IOOriginPartToKeep *k = ir->toKeep;
 207             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 208             const char *xml_in_response = 0;
 209
 210             if (k && k->contact)
 211             {
 212                 if (k->contact->name)
 213                     yaz_log(log_level, "contact name %s", k->contact->name);
 214                 if (k->contact->phone)
 215                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 216                 if (k->contact->email)
 217                     yaz_log(log_level, "contact email %s", k->contact->email);
 218             }
 219             if (k->addlBilling)
 220             {
 221                 yaz_log(log_level, "Billing info (not shown)");
 222             }
 223
 224             if (n->resultSetItem)
 225             {
 226                 yaz_log(log_level, "resultsetItem");
 227                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 228                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 229             }
 230             if (n->itemRequest)
 231             {
 232                 Z_External *r = (Z_External*) n->itemRequest;
 233                 ILL_ItemRequest *item_req = 0;
 234                 ILL_APDU *ill_apdu = 0;
 235                 if (r->direct_reference)
 236                 {
 237                     char oid_name_str[OID_STR_MAX];
 238                     oid_class oclass;
 239                     const char *oid_name =
 240                         yaz_oid_to_string_buf(r->direct_reference,
 241                                               &oclass, oid_name_str);
 242                     if (oid_name)
 243                         yaz_log(log_level, "OID %s", oid_name);
 244                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 245                     {
 246                         yaz_log(log_level, "ILL XML request");
 247                         if (r->which == Z_External_octet)
 248                             yaz_log(log_level, "%.*s",
 249                                     r->u.octet_aligned->len,
 250                                     r->u.octet_aligned->buf);
 251                         xml_in_response = "<dummy>x</dummy>";
 252                     }
 253                     if (!oid_oidcmp(r->direct_reference,
 254                                     yaz_oid_general_isoill_1))
 255                     {
 256                         yaz_log(log_level, "Decode ItemRequest begin");
 257                         if (r->which == ODR_EXTERNAL_single)
 258                         {
 259                             odr_setbuf(rr->decode,
 260                                        (char *) r->u.single_ASN1_type->buf,
 261                                        r->u.single_ASN1_type->len, 0);
 262
 263                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 264                             {
 265                                 yaz_log(log_level,
 266                                         "Couldn't decode ItemRequest %s near %ld",
 267                                         odr_errmsg(odr_geterror(rr->decode)),
 268                                         (long) odr_offset(rr->decode));
 269                             }
 270                             else
 271                                 yaz_log(log_level, "Decode ItemRequest OK");
 272                             if (rr->print)
 273                             {
 274                                 ill_ItemRequest(rr->print, &item_req, 0,
 275                                                 "ItemRequest");
 276                                 odr_reset(rr->print);
 277                             }
 278                         }
 279                         if (!item_req && r->which == ODR_EXTERNAL_single)
 280                         {
 281                             yaz_log(log_level, "Decode ILL APDU begin");
 282                             odr_setbuf(rr->decode,
 283                                        (char*) r->u.single_ASN1_type->buf,
 284                                        r->u.single_ASN1_type->len, 0);
 285
 286                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 287                             {
 288                                 yaz_log(log_level,
 289                                         "Couldn't decode ILL APDU %s near %ld",
 290                                         odr_errmsg(odr_geterror(rr->decode)),
 291                                         (long) odr_offset(rr->decode));
 292                                 yaz_log(log_level, "PDU dump:");
 293                                 odr_dumpBER(yaz_log_file(),
 294                                             (char *) r->u.single_ASN1_type->buf,
 295                                             r->u.single_ASN1_type->len);
 296                             }
 297                             else
 298                                 yaz_log(log_level, "Decode ILL APDU OK");
 299                             if (rr->print)
 300                             {
 301                                 ill_APDU(rr->print, &ill_apdu, 0,
 302                                          "ILL APDU");
 303                                 odr_reset(rr->print);
 304                             }
 305                         }
 306                     }
 307                 }
 308                 if (item_req)
 309                 {
 310                     yaz_log(log_level, "ILL protocol version = "
 311                             ODR_INT_PRINTF,
 312                             *item_req->protocol_version_num);
 313                 }
 314             }
 315             if (k)
 316             {
 317
 318                 Z_External *ext = (Z_External *)
 319                     odr_malloc(rr->stream, sizeof(*ext));
 320                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 321                     odr_malloc(rr->stream, sizeof(*keep));
 322                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 323                     odr_malloc(rr->stream, sizeof(*targetPart));
 324
 325                 rr->taskPackage = (Z_TaskPackage *)
 326                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 327                 rr->taskPackage->packageType =
 328                     odr_oiddup(rr->stream, rr->esr->packageType);
 329                 rr->taskPackage->packageName = 0;
 330                 rr->taskPackage->userId = 0;
 331                 rr->taskPackage->retentionTime = 0;
 332                 rr->taskPackage->permissions = 0;
 333                 rr->taskPackage->description = 0;
 334                 rr->taskPackage->targetReference = (Odr_oct *)
 335                     odr_malloc(rr->stream, sizeof(Odr_oct));
 336                 rr->taskPackage->targetReference->buf =
 337                     (unsigned char *) odr_strdup(rr->stream, "911");
 338                 rr->taskPackage->targetReference->len =
 339                     rr->taskPackage->targetReference->size =
 340                     strlen((char *) (rr->taskPackage->targetReference->buf));
 341                 rr->taskPackage->creationDateTime = 0;
 342                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 343                 rr->taskPackage->packageDiagnostics = 0;
 344                 rr->taskPackage->taskSpecificParameters = ext;
 345
 346                 ext->direct_reference =
 347                     odr_oiddup(rr->stream, rr->esr->packageType);
 348                 ext->indirect_reference = 0;
 349                 ext->descriptor = 0;
 350                 ext->which = Z_External_itemOrder;
 351                 ext->u.itemOrder = (Z_ItemOrder *)
 352                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 353                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 354                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 355                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 356                 ext->u.itemOrder->u.taskPackage->originPart = k;
 357                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 358
 359                 if (xml_in_response)
 360                     targetPart->itemRequest =
 361                         z_ext_record_xml(rr->stream, xml_in_response,
 362                                          strlen(xml_in_response));
 363                 else
 364                     targetPart->itemRequest = 0;
 365
 366                 targetPart->statusOrErrorReport = 0;
 367                 targetPart->auxiliaryStatus = 0;
 368             }
 369         }
 370     }
 371     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 372     {
 373         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 374         yaz_log(log_level, "Received DB Update");
 375         if (up->which == Z_IUUpdate_esRequest)
 376         {
 377             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 378             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 379             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 380
 381             yaz_log(log_level, "action");
 382             if (toKeep->action)
 383             {
 384                 switch (*toKeep->action)
 385                 {
 386                 case Z_IUOriginPartToKeep_recordInsert:
 387                     yaz_log(log_level, " recordInsert");
 388                     break;
 389                 case Z_IUOriginPartToKeep_recordReplace:
 390                     yaz_log(log_level, " recordReplace");
 391                     break;
 392                 case Z_IUOriginPartToKeep_recordDelete:
 393                     yaz_log(log_level, " recordDelete");
 394                     break;
 395                 case Z_IUOriginPartToKeep_elementUpdate:
 396                     yaz_log(log_level, " elementUpdate");
 397                     break;
 398                 case Z_IUOriginPartToKeep_specialUpdate:
 399                     yaz_log(log_level, " specialUpdate");
 400                     break;
 401                 default:
 402                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 403                             *toKeep->action);
 404                 }
 405             }
 406             if (toKeep->databaseName)
 407             {
 408                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 409                 if (!strcmp(toKeep->databaseName, "fault"))
 410                 {
 411                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 412                     rr->errstring = toKeep->databaseName;
 413                 }
 414                 if (!strcmp(toKeep->databaseName, "accept"))
 415                     rr->errcode = -1;
 416             }
 417             if (toKeep)
 418             {
 419                 Z_External *ext = (Z_External *)
 420                     odr_malloc(rr->stream, sizeof(*ext));
 421                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 422                     odr_malloc(rr->stream, sizeof(*keep));
 423                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 424                     odr_malloc(rr->stream, sizeof(*targetPart));
 425
 426                 rr->taskPackage = (Z_TaskPackage *)
 427                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 428                 rr->taskPackage->packageType =
 429                     odr_oiddup(rr->stream, rr->esr->packageType);
 430                 rr->taskPackage->packageName = 0;
 431                 rr->taskPackage->userId = 0;
 432                 rr->taskPackage->retentionTime = 0;
 433                 rr->taskPackage->permissions = 0;
 434                 rr->taskPackage->description = 0;
 435                 rr->taskPackage->targetReference = (Odr_oct *)
 436                     odr_malloc(rr->stream, sizeof(Odr_oct));
 437                 rr->taskPackage->targetReference->buf =
 438                     (unsigned char *) odr_strdup(rr->stream, "123");
 439                 rr->taskPackage->targetReference->len =
 440                     rr->taskPackage->targetReference->size =
 441                     strlen((char *) (rr->taskPackage->targetReference->buf));
 442                 rr->taskPackage->creationDateTime = 0;
 443                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 444                 rr->taskPackage->packageDiagnostics = 0;
 445                 rr->taskPackage->taskSpecificParameters = ext;
 446
 447                 ext->direct_reference =
 448                     odr_oiddup(rr->stream, rr->esr->packageType);
 449                 ext->indirect_reference = 0;
 450                 ext->descriptor = 0;
 451                 ext->which = Z_External_update;
 452                 ext->u.update = (Z_IUUpdate *)
 453                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 454                 ext->u.update->which = Z_IUUpdate_taskPackage;
 455                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 456                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 457                 ext->u.update->u.taskPackage->originPart = keep;
 458                 ext->u.update->u.taskPackage->targetPart = targetPart;
 459
 460                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 461                 keep->databaseName =
 462                     odr_strdup(rr->stream, toKeep->databaseName);
 463                 keep->schema = 0;
 464                 keep->elementSetName = 0;
 465                 keep->actionQualifier = 0;
 466
 467                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 468                 targetPart->num_globalDiagnostics = 0;
 469                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 470                 targetPart->num_taskPackageRecords = 1;
 471                 targetPart->taskPackageRecords =
 472                     (Z_IUTaskPackageRecordStructure **)
 473                     odr_malloc(rr->stream,
 474                                sizeof(Z_IUTaskPackageRecordStructure *));
 475                 targetPart->taskPackageRecords[0] =
 476                     (Z_IUTaskPackageRecordStructure *)
 477                     odr_malloc(rr->stream,
 478                                sizeof(Z_IUTaskPackageRecordStructure));
 479
 480                 targetPart->taskPackageRecords[0]->which =
 481                     Z_IUTaskPackageRecordStructure_record;
 482                 targetPart->taskPackageRecords[0]->u.record =
 483                     z_ext_record_sutrs(rr->stream, "test", 4);
 484                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 485                 targetPart->taskPackageRecords[0]->recordStatus =
 486                     odr_intdup(rr->stream,
 487                                Z_IUTaskPackageRecordStructure_success);
 488                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 489                     = 0;
 490
 491                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 492             }
 493             if (notToKeep)
 494             {
 495                 int i;
 496                 for (i = 0; i < notToKeep->num; i++)
 497                 {
 498                     Z_External *rec = notToKeep->elements[i]->record;
 499
 500                     if (rec->direct_reference)
 501                     {
 502                         char oid_name_str[OID_STR_MAX];
 503                         const char *oid_name
 504                             = oid_name = yaz_oid_to_string_buf(
 505                                 rec->direct_reference, 0,
 506                                 oid_name_str);
 507                         if (oid_name)
 508                             yaz_log(log_level, "record %d type %s", i,
 509                                     oid_name);
 510                     }
 511                     switch (rec->which)
 512                     {
 513                     case Z_External_sutrs:
 514                         if (rec->u.octet_aligned->len > 170)
 515                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 516                                     rec->u.sutrs->len,
 517                                     rec->u.sutrs->buf);
 518                         else
 519                             yaz_log(log_level, "%d bytes:\n%s",
 520                                     rec->u.sutrs->len,
 521                                     rec->u.sutrs->buf);
 522                         break;
 523                     case Z_External_octet        :
 524                         if (rec->u.octet_aligned->len > 170)
 525                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 526                                     rec->u.octet_aligned->len,
 527                                     rec->u.octet_aligned->buf);
 528                         else
 529                             yaz_log(log_level, "%d bytes\n%s",
 530                                     rec->u.octet_aligned->len,
 531                                     rec->u.octet_aligned->buf);
 532                     }
 533                 }
 534             }
 535         }
 536     }
 537     return 0;
 538 }
 539
 540 /* result set delete */
 541 int ztest_delete(void *handle, bend_delete_rr *rr)
 542 {
 543     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 544         rr->delete_status = Z_DeleteStatus_success;
 545     else
 546         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 547     return 0;
 548 }
 549
 550 /* Our sort handler really doesn't sort... */
 551 int ztest_sort(void *handle, bend_sort_rr *rr)
 552 {
 553     rr->errcode = 0;
 554     rr->sort_status = Z_SortResponse_success;
 555     return 0;
 556 }
 557
 558
 559 /* present request handler */
 560 int ztest_present(void *handle, bend_present_rr *rr)
 561 {
 562     return 0;
 563 }
 564
 565 /* retrieval of a single record (present, and piggy back search) */
 566 int ztest_fetch(void *handle, bend_fetch_rr *r)
 567 {
 568     char *cp;
 569     const Odr_oid *oid = r->request_format;
 570
 571     r->last_in_set = 0;
 572     r->basename = "Default";
 573     r->output_format = r->request_format;
 574
 575     if (!oid || yaz_oid_is_iso2709(oid))
 576     {
 577         cp = dummy_marc_record(r->number, r->stream);
 578         if (!cp)
 579         {
 580             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 581             return 0;
 582         }
 583         else
 584         {
 585             r->len = strlen(cp);
 586             r->record = cp;
 587             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 588         }
 589     }
 590     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 591     {
 592         cp = dummy_marc_record(r->number, r->stream);
 593         if (!cp)
 594         {
 595             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 596             return 0;
 597         }
 598         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 599         r->len = -1;
 600     }
 601     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 602     {
 603         /* this section returns a small record */
 604         char buf[100];
 605
 606         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 607
 608         r->len = strlen(buf);
 609         r->record = (char *) odr_malloc(r->stream, r->len+1);
 610         strcpy(r->record, buf);
 611     }
 612     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 613     {
 614         r->len = -1;
 615         r->record = (char*) dummy_grs_record(r->number, r->stream);
 616         if (!r->record)
 617         {
 618             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 619             return 0;
 620         }
 621     }
 622     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 623     {
 624         char fname[20];
 625         FILE *f;
 626         long size;
 627
 628         sprintf(fname, "part.%d.ps", r->number);
 629         f = fopen(fname, "rb");
 630         if (!f)
 631         {
 632             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 633             return 0;
 634         }
 635         fseek(f, 0L, SEEK_END);
 636         size = ftell(f);
 637         if (size <= 0 || size >= 5000000)
 638         {
 639             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 640         }
 641         fseek(f, 0L, SEEK_SET);
 642         r->record = (char*) odr_malloc(r->stream, size);
 643         r->len = size;
 644         if (fread(r->record, size, 1, f) != 1)
 645         {
 646             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 647         }
 648         fclose(f);
 649     }
 650     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 651     {
 652         if ((cp = dummy_xml_record(r->number, r->stream)))
 653         {
 654             r->len = strlen(cp);
 655             r->record = cp;
 656         }
 657         else
 658         {
 659             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 660             r->surrogate_flag = 1;
 661             return 0;
 662         }
 663     }
 664     else
 665     {
 666         char buf[OID_STR_MAX];
 667         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 668         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 669         return 0;
 670     }
 671     r->errcode = 0;
 672     return 0;
 673 }
 674
 675 /*
 676  * silly dummy-scan what reads words from a file.
 677  */
 678 int ztest_scan(void *handle, bend_scan_rr *q)
 679 {
 680     static FILE *f = 0;
 681     static struct scan_entry list[200];
 682     static char entries[200][80];
 683     int hits[200];
 684     char term[80], *p;
 685     int i, pos;
 686     int term_position_req = q->term_position;
 687     int num_entries_req = q->num_entries;
 688
 689     /* Throw Database unavailable if other than Default or Slow */
 690     if (!yaz_matchstr(q->basenames[0], "Default"))
 691         ;  /* Default is OK in our test */
 692     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 693         ;
 694     else
 695     {
 696         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 697         q->errstring = q->basenames[0];
 698         return 0;
 699     }
 700
 701     q->errcode = 0;
 702     q->errstring = 0;
 703     q->entries = list;
 704     q->status = BEND_SCAN_SUCCESS;
 705     if (!f && !(f = fopen("dummy-words", "r")))
 706     {
 707         perror("dummy-words");
 708         exit(1);
 709     }
 710     if (q->num_entries > 200)
 711     {
 712         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 713         return 0;
 714     }
 715     if (q->term)
 716     {
 717         int len;
 718         if (q->term->term->which != Z_Term_general)
 719         {
 720             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 721             return 0;
 722         }
 723         if (*q->step_size != 0)
 724         {
 725             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 726             return 0;
 727         }
 728         len = q->term->term->u.general->len;
 729         if (len >= sizeof(term))
 730             len = sizeof(term)-1;
 731         memcpy(term, q->term->term->u.general->buf, len);
 732         term[len] = '\0';
 733     }
 734     else if (q->scanClause)
 735     {
 736         strncpy(term, q->scanClause, sizeof(term)-1);
 737         term[sizeof(term)-1] = '\0';
 738     }
 739     else
 740         strcpy(term, "0");
 741
 742     for (p = term; *p; p++)
 743         if (islower(*(unsigned char *) p))
 744             *p = toupper(*p);
 745
 746     fseek(f, 0, SEEK_SET);
 747     q->num_entries = 0;
 748
 749     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 750          i++, pos < 199 ? pos++ : (pos = 0))
 751     {
 752         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 753         {
 754             if ((q->term_position = term_position_req) > i + 1)
 755             {
 756                 q->term_position = i + 1;
 757                 q->status = BEND_SCAN_PARTIAL;
 758             }
 759             for (; q->num_entries < q->term_position; q->num_entries++)
 760             {
 761                 int po;
 762
 763                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 764                 if (po < 0)
 765                     po += 200;
 766
 767                 if (!strcmp(term, "SD") && q->num_entries == 2)
 768                 {
 769                     list[q->num_entries].term = entries[pos];
 770                     list[q->num_entries].occurrences = -1;
 771                     list[q->num_entries].errcode =
 772                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
 773                     list[q->num_entries].errstring = "SD for Scan Term";
 774                 }
 775                 else
 776                 {
 777                     list[q->num_entries].term = entries[po];
 778                     list[q->num_entries].occurrences = hits[po];
 779                 }
 780             }
 781         }
 782         else if (q->num_entries)
 783         {
 784             list[q->num_entries].term = entries[pos];
 785             list[q->num_entries].occurrences = hits[pos];
 786             q->num_entries++;
 787         }
 788         if (q->num_entries >= num_entries_req)
 789             break;
 790     }
 791     if (feof(f))
 792         q->status = BEND_SCAN_PARTIAL;
 793     return 0;
 794 }
 795
 796 int ztest_explain(void *handle, bend_explain_rr *rr)
 797 {
 798     if (rr->database && !strcmp(rr->database, "Default"))
 799     {
 800         rr->explain_buf = "<explain>\n"
 801             "\t<serverInfo>\n"
 802             "\t\t<host>localhost</host>\n"
 803             "\t\t<port>210</port>\n"
 804             "\t</serverInfo>\n"
 805             "</explain>\n";
 806     }
 807     return 0;
 808 }
 809
 810 int ztest_update(void *handle, bend_update_rr *rr)
 811 {
 812     rr->operation_status = "success";
 813     return 0;
 814 }
 815
 816 bend_initresult *bend_init(bend_initrequest *q)
 817 {
 818     bend_initresult *r = (bend_initresult *)
 819         odr_malloc(q->stream, sizeof(*r));
 820     int *counter = (int *) xmalloc(sizeof(int));
 821
 822     if (!log_level_set)
 823     {
 824         log_level=yaz_log_module_level("ztest");
 825         log_level_set=1;
 826     }
 827
 828     *counter = 0;
 829     r->errcode = 0;
 830     r->errstring = 0;
 831     r->handle = counter;         /* user handle, in this case a simple int */
 832     q->bend_sort = ztest_sort;              /* register sort handler */
 833     q->bend_search = ztest_search;          /* register search handler */
 834     q->bend_present = ztest_present;        /* register present handle */
 835     q->bend_esrequest = ztest_esrequest;
 836     q->bend_delete = ztest_delete;
 837     q->bend_fetch = ztest_fetch;
 838     q->bend_scan = ztest_scan;
 839 #if 0
 840     q->bend_explain = ztest_explain;
 841 #endif
 842     q->bend_srw_scan = ztest_scan;
 843     q->bend_srw_update = ztest_update;
 844
 845     q->query_charset = "ISO-8859-1";
 846     q->records_in_same_charset = 0;
 847
 848     return r;
 849 }
 850
 851 void bend_close(void *handle)
 852 {
 853     xfree(handle);              /* release our user-defined handle */
 854     return;
 855 }
 856
 857 int main(int argc, char **argv)
 858 {
 859     return statserv_main(argc, argv, bend_init, bend_close);
 860 }
 861 /*
 862  * Local variables:
 863  * c-basic-offset: 4
 864  * c-file-style: "Stroustrup"
 865  * indent-tabs-mode: nil
 866  * End:
 867  * vim: shiftwidth=4 tabstop=8 expandtab
 868  */
 869