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