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