ztest/ztest.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2009 Index Data
   3  * See the file LICENSE for details.
   4  */
   5
   6 /** \file
   7  * \brief yaz-ztest Generic Frontend Server
   8  */
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <ctype.h>
  13 #if HAVE_UNISTD_H
  14 #include <unistd.h>
  15 #endif
  16
  17 #include <yaz/log.h>
  18 #include <yaz/backend.h>
  19 #include <yaz/ill.h>
  20 #include <yaz/diagbib1.h>
  21
  22 #include "ztest.h"
  23
  24 static int log_level=0;
  25 static int log_level_set=0;
  26
  27 int ztest_search(void *handle, bend_search_rr *rr);
  28 int ztest_sort(void *handle, bend_sort_rr *rr);
  29 int ztest_present(void *handle, bend_present_rr *rr);
  30 int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
  31 int ztest_delete(void *handle, bend_delete_rr *rr);
  32
  33 /** \brief use term value as hit count
  34     \param s RPN structure
  35     \return >= 0: search term number or -1: not found
  36
  37     Traverse RPN tree 'in order' and use term value as hit count.
  38     Only terms  that looks a numeric is used.. Returns -1 if
  39     no sub tree has a hit count term
  40 */
  41 static int get_term_hit(Z_RPNStructure *s)
  42 {
  43     int h = -1;
  44     switch(s->which)
  45     {
  46     case Z_RPNStructure_simple:
  47         if (s->u.simple->which == Z_Operand_APT)
  48         {
  49             Z_AttributesPlusTerm *apt = s->u.simple->u.attributesPlusTerm;
  50             if (apt->term->which == Z_Term_general)
  51             {
  52                 Odr_oct *oct = apt->term->u.general;
  53                 if (oct->len > 0 && oct->buf[0] >= '0' && oct->buf[0] <= '9')
  54                     h = atoi_n((const char *) oct->buf, oct->len);
  55             }
  56         }
  57         break;
  58     case Z_RPNStructure_complex:
  59         h = get_term_hit(s->u.complex->s1);
  60         if (h == -1)
  61             h = get_term_hit(s->u.complex->s2);
  62         break;
  63     }
  64     return h;
  65 }
  66
  67 /** \brief gets hit count for numeric terms in RPN queries
  68     \param q RPN Query
  69     \return number of hits (random or number for term)
  70
  71     This is just for testing.. A real database of course uses
  72     the content of a database to establish a value.. In our case, we
  73     have a way to trigger a certain hit count. Good for testing of
  74     client applications etc
  75 */
  76 static int get_hit_count(Z_Query *q)
  77 {
  78     int h = -1;
  79     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
  80         h = get_term_hit(q->u.type_1->RPNStructure);
  81     if (h == -1)
  82         h = rand() % 24;
  83     return h;
  84 }
  85
  86 /** \brief checks if it's a dummy Slow database..
  87     \param basename database name to check
  88     \param association backend association (or NULL if not available)
  89     \retval 1 is slow database
  90     \retval 0 is not a slow database
  91
  92     The Slow database is for testing.. It allows us to simulate
  93     a slow server...
  94 */
  95 static int check_slow(const char *basename, bend_association association)
  96 {
  97     if (strncmp(basename, "Slow", 4) == 0)
  98     {
  99 #if HAVE_UNISTD_H
 100         int i, w = 3;
 101         if (basename[4])
 102             sscanf(basename+4, "%d", &w);
 103         /* wait up to 3 seconds and check if connection is still alive */
 104         for (i = 0; i < w; i++)
 105         {
 106             if (association && !bend_assoc_is_alive(association))
 107             {
 108                 yaz_log(YLOG_LOG, "search aborted");
 109                 break;
 110             }
 111             sleep(1);
 112         }
 113 #endif
 114         return 1;
 115     }
 116     return 0;
 117 }
 118
 119 int ztest_search(void *handle, bend_search_rr *rr)
 120 {
 121     if (rr->num_bases != 1)
 122     {
 123         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 124         return 0;
 125     }
 126     /* Throw Database unavailable if other than Default or Slow */
 127     if (!yaz_matchstr(rr->basenames[0], "Default"))
 128         ;  /* Default is OK in our test */
 129     else if (check_slow(rr->basenames[0], rr->association))
 130     {
 131         rr->estimated_hit_count = 1;
 132     }
 133     else
 134     {
 135         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 136         rr->errstring = rr->basenames[0];
 137         return 0;
 138     }
 139
 140     if (rr->extra_args)
 141     {
 142         Z_SRW_extra_arg *a;
 143         WRBUF response_xml = wrbuf_alloc();
 144         wrbuf_puts(response_xml, "<extra>");
 145         for (a = rr->extra_args; a; a = a->next)
 146         {
 147             wrbuf_puts(response_xml, "<extra name=\"");
 148             wrbuf_xmlputs(response_xml, a->name);
 149             wrbuf_puts(response_xml, "\"");
 150             if (a->value)
 151             {
 152                 wrbuf_puts(response_xml, " value=\"");
 153                 wrbuf_xmlputs(response_xml, a->value);
 154                 wrbuf_puts(response_xml, "\"");
 155             }
 156             wrbuf_puts(response_xml, "/>");
 157         }
 158         wrbuf_puts(response_xml, "</extra>");
 159         rr->extra_response_data =
 160             odr_strdup(rr->stream, wrbuf_cstr(response_xml));
 161         wrbuf_destroy(response_xml);
 162     }
 163     rr->hits = get_hit_count(rr->query);
 164     return 0;
 165 }
 166
 167
 168 /* this huge function handles extended services */
 169 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 170 {
 171     /* user-defined handle - created in bend_init */
 172     int *counter = (int*) handle;
 173
 174     yaz_log(log_level, "ESRequest no %d", *counter);
 175
 176     (*counter)++;
 177
 178     if (rr->esr->packageName)
 179         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 180     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 181
 182
 183     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 184
 185     if (!rr->esr->taskSpecificParameters)
 186     {
 187         yaz_log(log_level, "No task specific parameters");
 188     }
 189     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 190     {
 191         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 192         yaz_log(log_level, "Received ItemOrder");
 193         if (it->which == Z_IOItemOrder_esRequest)
 194         {
 195             Z_IORequest *ir = it->u.esRequest;
 196             Z_IOOriginPartToKeep *k = ir->toKeep;
 197             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 198             const char *xml_in_response = 0;
 199
 200             if (k && k->contact)
 201             {
 202                 if (k->contact->name)
 203                     yaz_log(log_level, "contact name %s", k->contact->name);
 204                 if (k->contact->phone)
 205                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 206                 if (k->contact->email)
 207                     yaz_log(log_level, "contact email %s", k->contact->email);
 208             }
 209             if (k->addlBilling)
 210             {
 211                 yaz_log(log_level, "Billing info (not shown)");
 212             }
 213
 214             if (n->resultSetItem)
 215             {
 216                 yaz_log(log_level, "resultsetItem");
 217                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 218                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 219             }
 220             if (n->itemRequest)
 221             {
 222                 Z_External *r = (Z_External*) n->itemRequest;
 223                 ILL_ItemRequest *item_req = 0;
 224                 ILL_APDU *ill_apdu = 0;
 225                 if (r->direct_reference)
 226                 {
 227                     char oid_name_str[OID_STR_MAX];
 228                     oid_class oclass;
 229                     const char *oid_name =
 230                         yaz_oid_to_string_buf(r->direct_reference,
 231                                               &oclass, oid_name_str);
 232                     if (oid_name)
 233                         yaz_log(log_level, "OID %s", oid_name);
 234                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 235                     {
 236                         yaz_log(log_level, "ILL XML request");
 237                         if (r->which == Z_External_octet)
 238                             yaz_log(log_level, "%.*s",
 239                                     r->u.octet_aligned->len,
 240                                     r->u.octet_aligned->buf);
 241                         xml_in_response = "<dummy>x</dummy>";
 242                     }
 243                     if (!oid_oidcmp(r->direct_reference,
 244                                     yaz_oid_general_isoill_1))
 245                     {
 246                         yaz_log(log_level, "Decode ItemRequest begin");
 247                         if (r->which == ODR_EXTERNAL_single)
 248                         {
 249                             odr_setbuf(rr->decode,
 250                                        (char *) r->u.single_ASN1_type->buf,
 251                                        r->u.single_ASN1_type->len, 0);
 252
 253                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 254                             {
 255                                 yaz_log(log_level,
 256                                         "Couldn't decode ItemRequest %s near %ld",
 257                                         odr_errmsg(odr_geterror(rr->decode)),
 258                                         (long) odr_offset(rr->decode));
 259                             }
 260                             else
 261                                 yaz_log(log_level, "Decode ItemRequest OK");
 262                             if (rr->print)
 263                             {
 264                                 ill_ItemRequest(rr->print, &item_req, 0,
 265                                                 "ItemRequest");
 266                                 odr_reset(rr->print);
 267                             }
 268                         }
 269                         if (!item_req && r->which == ODR_EXTERNAL_single)
 270                         {
 271                             yaz_log(log_level, "Decode ILL APDU begin");
 272                             odr_setbuf(rr->decode,
 273                                        (char*) r->u.single_ASN1_type->buf,
 274                                        r->u.single_ASN1_type->len, 0);
 275
 276                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 277                             {
 278                                 yaz_log(log_level,
 279                                         "Couldn't decode ILL APDU %s near %ld",
 280                                         odr_errmsg(odr_geterror(rr->decode)),
 281                                         (long) odr_offset(rr->decode));
 282                                 yaz_log(log_level, "PDU dump:");
 283                                 odr_dumpBER(yaz_log_file(),
 284                                             (char *) r->u.single_ASN1_type->buf,
 285                                             r->u.single_ASN1_type->len);
 286                             }
 287                             else
 288                                 yaz_log(log_level, "Decode ILL APDU OK");
 289                             if (rr->print)
 290                             {
 291                                 ill_APDU(rr->print, &ill_apdu, 0,
 292                                          "ILL APDU");
 293                                 odr_reset(rr->print);
 294                             }
 295                         }
 296                     }
 297                 }
 298                 if (item_req)
 299                 {
 300                     yaz_log(log_level, "ILL protocol version = "
 301                             ODR_INT_PRINTF,
 302                             *item_req->protocol_version_num);
 303                 }
 304             }
 305             if (k)
 306             {
 307
 308                 Z_External *ext = (Z_External *)
 309                     odr_malloc(rr->stream, sizeof(*ext));
 310                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 311                     odr_malloc(rr->stream, sizeof(*keep));
 312                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 313                     odr_malloc(rr->stream, sizeof(*targetPart));
 314
 315                 rr->taskPackage = (Z_TaskPackage *)
 316                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 317                 rr->taskPackage->packageType =
 318                     odr_oiddup(rr->stream, rr->esr->packageType);
 319                 rr->taskPackage->packageName = 0;
 320                 rr->taskPackage->userId = 0;
 321                 rr->taskPackage->retentionTime = 0;
 322                 rr->taskPackage->permissions = 0;
 323                 rr->taskPackage->description = 0;
 324                 rr->taskPackage->targetReference = (Odr_oct *)
 325                     odr_malloc(rr->stream, sizeof(Odr_oct));
 326                 rr->taskPackage->targetReference->buf =
 327                     (unsigned char *) odr_strdup(rr->stream, "911");
 328                 rr->taskPackage->targetReference->len =
 329                     rr->taskPackage->targetReference->size =
 330                     strlen((char *) (rr->taskPackage->targetReference->buf));
 331                 rr->taskPackage->creationDateTime = 0;
 332                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 333                 rr->taskPackage->packageDiagnostics = 0;
 334                 rr->taskPackage->taskSpecificParameters = ext;
 335
 336                 ext->direct_reference =
 337                     odr_oiddup(rr->stream, rr->esr->packageType);
 338                 ext->indirect_reference = 0;
 339                 ext->descriptor = 0;
 340                 ext->which = Z_External_itemOrder;
 341                 ext->u.itemOrder = (Z_ItemOrder *)
 342                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 343                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 344                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 345                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 346                 ext->u.itemOrder->u.taskPackage->originPart = k;
 347                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 348
 349                 if (xml_in_response)
 350                     targetPart->itemRequest =
 351                         z_ext_record_xml(rr->stream, xml_in_response,
 352                                          strlen(xml_in_response));
 353                 else
 354                     targetPart->itemRequest = 0;
 355
 356                 targetPart->statusOrErrorReport = 0;
 357                 targetPart->auxiliaryStatus = 0;
 358             }
 359         }
 360     }
 361     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 362     {
 363         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 364         yaz_log(log_level, "Received DB Update");
 365         if (up->which == Z_IUUpdate_esRequest)
 366         {
 367             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 368             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 369             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 370
 371             yaz_log(log_level, "action");
 372             if (toKeep->action)
 373             {
 374                 switch (*toKeep->action)
 375                 {
 376                 case Z_IUOriginPartToKeep_recordInsert:
 377                     yaz_log(log_level, " recordInsert");
 378                     break;
 379                 case Z_IUOriginPartToKeep_recordReplace:
 380                     yaz_log(log_level, " recordReplace");
 381                     break;
 382                 case Z_IUOriginPartToKeep_recordDelete:
 383                     yaz_log(log_level, " recordDelete");
 384                     break;
 385                 case Z_IUOriginPartToKeep_elementUpdate:
 386                     yaz_log(log_level, " elementUpdate");
 387                     break;
 388                 case Z_IUOriginPartToKeep_specialUpdate:
 389                     yaz_log(log_level, " specialUpdate");
 390                     break;
 391                 default:
 392                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 393                             *toKeep->action);
 394                 }
 395             }
 396             if (toKeep->databaseName)
 397             {
 398                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 399                 if (!strcmp(toKeep->databaseName, "fault"))
 400                 {
 401                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 402                     rr->errstring = toKeep->databaseName;
 403                 }
 404                 if (!strcmp(toKeep->databaseName, "accept"))
 405                     rr->errcode = -1;
 406             }
 407             if (toKeep)
 408             {
 409                 Z_External *ext = (Z_External *)
 410                     odr_malloc(rr->stream, sizeof(*ext));
 411                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 412                     odr_malloc(rr->stream, sizeof(*keep));
 413                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 414                     odr_malloc(rr->stream, sizeof(*targetPart));
 415
 416                 rr->taskPackage = (Z_TaskPackage *)
 417                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 418                 rr->taskPackage->packageType =
 419                     odr_oiddup(rr->stream, rr->esr->packageType);
 420                 rr->taskPackage->packageName = 0;
 421                 rr->taskPackage->userId = 0;
 422                 rr->taskPackage->retentionTime = 0;
 423                 rr->taskPackage->permissions = 0;
 424                 rr->taskPackage->description = 0;
 425                 rr->taskPackage->targetReference = (Odr_oct *)
 426                     odr_malloc(rr->stream, sizeof(Odr_oct));
 427                 rr->taskPackage->targetReference->buf =
 428                     (unsigned char *) odr_strdup(rr->stream, "123");
 429                 rr->taskPackage->targetReference->len =
 430                     rr->taskPackage->targetReference->size =
 431                     strlen((char *) (rr->taskPackage->targetReference->buf));
 432                 rr->taskPackage->creationDateTime = 0;
 433                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 434                 rr->taskPackage->packageDiagnostics = 0;
 435                 rr->taskPackage->taskSpecificParameters = ext;
 436
 437                 ext->direct_reference =
 438                     odr_oiddup(rr->stream, rr->esr->packageType);
 439                 ext->indirect_reference = 0;
 440                 ext->descriptor = 0;
 441                 ext->which = Z_External_update;
 442                 ext->u.update = (Z_IUUpdate *)
 443                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 444                 ext->u.update->which = Z_IUUpdate_taskPackage;
 445                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 446                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 447                 ext->u.update->u.taskPackage->originPart = keep;
 448                 ext->u.update->u.taskPackage->targetPart = targetPart;
 449
 450                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 451                 keep->databaseName =
 452                     odr_strdup(rr->stream, toKeep->databaseName);
 453                 keep->schema = 0;
 454                 keep->elementSetName = 0;
 455                 keep->actionQualifier = 0;
 456
 457                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 458                 targetPart->num_globalDiagnostics = 0;
 459                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 460                 targetPart->num_taskPackageRecords = 1;
 461                 targetPart->taskPackageRecords =
 462                     (Z_IUTaskPackageRecordStructure **)
 463                     odr_malloc(rr->stream,
 464                                sizeof(Z_IUTaskPackageRecordStructure *));
 465                 targetPart->taskPackageRecords[0] =
 466                     (Z_IUTaskPackageRecordStructure *)
 467                     odr_malloc(rr->stream,
 468                                sizeof(Z_IUTaskPackageRecordStructure));
 469
 470                 targetPart->taskPackageRecords[0]->which =
 471                     Z_IUTaskPackageRecordStructure_record;
 472                 targetPart->taskPackageRecords[0]->u.record =
 473                     z_ext_record_sutrs(rr->stream, "test", 4);
 474                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 475                 targetPart->taskPackageRecords[0]->recordStatus =
 476                     odr_intdup(rr->stream,
 477                                Z_IUTaskPackageRecordStructure_success);
 478                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 479                     = 0;
 480
 481                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 482             }
 483             if (notToKeep)
 484             {
 485                 int i;
 486                 for (i = 0; i < notToKeep->num; i++)
 487                 {
 488                     Z_External *rec = notToKeep->elements[i]->record;
 489
 490                     if (rec->direct_reference)
 491                     {
 492                         char oid_name_str[OID_STR_MAX];
 493                         const char *oid_name
 494                             = oid_name = yaz_oid_to_string_buf(
 495                                 rec->direct_reference, 0,
 496                                 oid_name_str);
 497                         if (oid_name)
 498                             yaz_log(log_level, "record %d type %s", i,
 499                                     oid_name);
 500                     }
 501                     switch (rec->which)
 502                     {
 503                     case Z_External_sutrs:
 504                         if (rec->u.octet_aligned->len > 170)
 505                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 506                                     rec->u.sutrs->len,
 507                                     rec->u.sutrs->buf);
 508                         else
 509                             yaz_log(log_level, "%d bytes:\n%s",
 510                                     rec->u.sutrs->len,
 511                                     rec->u.sutrs->buf);
 512                         break;
 513                     case Z_External_octet        :
 514                         if (rec->u.octet_aligned->len > 170)
 515                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 516                                     rec->u.octet_aligned->len,
 517                                     rec->u.octet_aligned->buf);
 518                         else
 519                             yaz_log(log_level, "%d bytes\n%s",
 520                                     rec->u.octet_aligned->len,
 521                                     rec->u.octet_aligned->buf);
 522                     }
 523                 }
 524             }
 525         }
 526     }
 527     return 0;
 528 }
 529
 530 /* result set delete */
 531 int ztest_delete(void *handle, bend_delete_rr *rr)
 532 {
 533     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 534         rr->delete_status = Z_DeleteStatus_success;
 535     else
 536         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 537     return 0;
 538 }
 539
 540 /* Our sort handler really doesn't sort... */
 541 int ztest_sort(void *handle, bend_sort_rr *rr)
 542 {
 543     rr->errcode = 0;
 544     rr->sort_status = Z_SortResponse_success;
 545     return 0;
 546 }
 547
 548
 549 /* present request handler */
 550 int ztest_present(void *handle, bend_present_rr *rr)
 551 {
 552     return 0;
 553 }
 554
 555 /* retrieval of a single record (present, and piggy back search) */
 556 int ztest_fetch(void *handle, bend_fetch_rr *r)
 557 {
 558     char *cp;
 559     const Odr_oid *oid = r->request_format;
 560
 561     r->last_in_set = 0;
 562     r->basename = "Default";
 563     r->output_format = r->request_format;
 564
 565     if (!oid || yaz_oid_is_iso2709(oid))
 566     {
 567         cp = dummy_marc_record(r->number, r->stream);
 568         if (!cp)
 569         {
 570             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 571             return 0;
 572         }
 573         else
 574         {
 575             r->len = strlen(cp);
 576             r->record = cp;
 577             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 578         }
 579     }
 580     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 581     {
 582         cp = dummy_marc_record(r->number, r->stream);
 583         if (!cp)
 584         {
 585             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 586             return 0;
 587         }
 588         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 589         r->len = -1;
 590     }
 591     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 592     {
 593         /* this section returns a small record */
 594         char buf[100];
 595
 596         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 597
 598         r->len = strlen(buf);
 599         r->record = (char *) odr_malloc(r->stream, r->len+1);
 600         strcpy(r->record, buf);
 601     }
 602     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 603     {
 604         r->len = -1;
 605         r->record = (char*) dummy_grs_record(r->number, r->stream);
 606         if (!r->record)
 607         {
 608             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 609             return 0;
 610         }
 611     }
 612     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 613     {
 614         char fname[20];
 615         FILE *f;
 616         long size;
 617
 618         sprintf(fname, "part.%d.ps", r->number);
 619         f = fopen(fname, "rb");
 620         if (!f)
 621         {
 622             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 623             return 0;
 624         }
 625         fseek(f, 0L, SEEK_END);
 626         size = ftell(f);
 627         if (size <= 0 || size >= 5000000)
 628         {
 629             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 630         }
 631         fseek(f, 0L, SEEK_SET);
 632         r->record = (char*) odr_malloc(r->stream, size);
 633         r->len = size;
 634         if (fread(r->record, size, 1, f) != 1)
 635         {
 636             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 637         }
 638         fclose(f);
 639     }
 640     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 641     {
 642         if ((cp = dummy_xml_record(r->number, r->stream)))
 643         {
 644             r->len = strlen(cp);
 645             r->record = cp;
 646         }
 647         else
 648         {
 649             r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 650             r->surrogate_flag = 1;
 651             return 0;
 652         }
 653     }
 654     else
 655     {
 656         char buf[OID_STR_MAX];
 657         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 658         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 659         return 0;
 660     }
 661     r->errcode = 0;
 662     return 0;
 663 }
 664
 665 /*
 666  * silly dummy-scan what reads words from a file.
 667  */
 668 int ztest_scan(void *handle, bend_scan_rr *q)
 669 {
 670     static FILE *f = 0;
 671     static struct scan_entry list[200];
 672     static char entries[200][80];
 673     int hits[200];
 674     char term[80], *p;
 675     int i, pos;
 676     int term_position_req = q->term_position;
 677     int num_entries_req = q->num_entries;
 678
 679     /* Throw Database unavailable if other than Default or Slow */
 680     if (!yaz_matchstr(q->basenames[0], "Default"))
 681         ;  /* Default is OK in our test */
 682     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 683         ;
 684     else
 685     {
 686         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 687         q->errstring = q->basenames[0];
 688         return 0;
 689     }
 690
 691     q->errcode = 0;
 692     q->errstring = 0;
 693     q->entries = list;
 694     q->status = BEND_SCAN_SUCCESS;
 695     if (!f && !(f = fopen("dummy-words", "r")))
 696     {
 697         perror("dummy-words");
 698         exit(1);
 699     }
 700     if (q->num_entries > 200)
 701     {
 702         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 703         return 0;
 704     }
 705     if (q->term)
 706     {
 707         int len;
 708         if (q->term->term->which != Z_Term_general)
 709         {
 710             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 711             return 0;
 712         }
 713         if (*q->step_size != 0)
 714         {
 715             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 716             return 0;
 717         }
 718         len = q->term->term->u.general->len;
 719         if (len >= sizeof(term))
 720             len = sizeof(term)-1;
 721         memcpy(term, q->term->term->u.general->buf, len);
 722         term[len] = '\0';
 723     }
 724     else if (q->scanClause)
 725     {
 726         strncpy(term, q->scanClause, sizeof(term)-1);
 727         term[sizeof(term)-1] = '\0';
 728     }
 729     else
 730         strcpy(term, "0");
 731
 732     for (p = term; *p; p++)
 733         if (islower(*(unsigned char *) p))
 734             *p = toupper(*p);
 735
 736     fseek(f, 0, SEEK_SET);
 737     q->num_entries = 0;
 738
 739     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 740          i++, pos < 199 ? pos++ : (pos = 0))
 741     {
 742         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 743         {
 744             if ((q->term_position = term_position_req) > i + 1)
 745             {
 746                 q->term_position = i + 1;
 747                 q->status = BEND_SCAN_PARTIAL;
 748             }
 749             for (; q->num_entries < q->term_position; q->num_entries++)
 750             {
 751                 int po;
 752
 753                 po = pos - q->term_position + q->num_entries+1; /* find pos */
 754                 if (po < 0)
 755                     po += 200;
 756
 757                 if (!strcmp(term, "SD") && q->num_entries == 2)
 758                 {
 759                     list[q->num_entries].term = entries[pos];
 760                     list[q->num_entries].occurrences = -1;
 761                     list[q->num_entries].errcode =
 762                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
 763                     list[q->num_entries].errstring = "SD for Scan Term";
 764                 }
 765                 else
 766                 {
 767                     list[q->num_entries].term = entries[po];
 768                     list[q->num_entries].occurrences = hits[po];
 769                 }
 770             }
 771         }
 772         else if (q->num_entries)
 773         {
 774             list[q->num_entries].term = entries[pos];
 775             list[q->num_entries].occurrences = hits[pos];
 776             q->num_entries++;
 777         }
 778         if (q->num_entries >= num_entries_req)
 779             break;
 780     }
 781     if (feof(f))
 782         q->status = BEND_SCAN_PARTIAL;
 783     return 0;
 784 }
 785
 786 int ztest_explain(void *handle, bend_explain_rr *rr)
 787 {
 788     if (rr->database && !strcmp(rr->database, "Default"))
 789     {
 790         rr->explain_buf = "<explain>\n"
 791             "\t<serverInfo>\n"
 792             "\t\t<host>localhost</host>\n"
 793             "\t\t<port>210</port>\n"
 794             "\t</serverInfo>\n"
 795             "</explain>\n";
 796     }
 797     return 0;
 798 }
 799
 800 int ztest_update(void *handle, bend_update_rr *rr)
 801 {
 802     rr->operation_status = "success";
 803     return 0;
 804 }
 805
 806 bend_initresult *bend_init(bend_initrequest *q)
 807 {
 808     bend_initresult *r = (bend_initresult *)
 809         odr_malloc(q->stream, sizeof(*r));
 810     int *counter = (int *) xmalloc(sizeof(int));
 811
 812     if (!log_level_set)
 813     {
 814         log_level=yaz_log_module_level("ztest");
 815         log_level_set=1;
 816     }
 817
 818     *counter = 0;
 819     r->errcode = 0;
 820     r->errstring = 0;
 821     r->handle = counter;         /* user handle, in this case a simple int */
 822     q->bend_sort = ztest_sort;              /* register sort handler */
 823     q->bend_search = ztest_search;          /* register search handler */
 824     q->bend_present = ztest_present;        /* register present handle */
 825     q->bend_esrequest = ztest_esrequest;
 826     q->bend_delete = ztest_delete;
 827     q->bend_fetch = ztest_fetch;
 828     q->bend_scan = ztest_scan;
 829 #if 0
 830     q->bend_explain = ztest_explain;
 831 #endif
 832     q->bend_srw_scan = ztest_scan;
 833     q->bend_srw_update = ztest_update;
 834
 835     q->query_charset = "ISO-8859-1";
 836     q->records_in_same_charset = 0;
 837
 838     return r;
 839 }
 840
 841 void bend_close(void *handle)
 842 {
 843     xfree(handle);              /* release our user-defined handle */
 844     return;
 845 }
 846
 847 int main(int argc, char **argv)
 848 {
 849     return statserv_main(argc, argv, bend_init, bend_close);
 850 }
 851 /*
 852  * Local variables:
 853  * c-basic-offset: 4
 854  * c-file-style: "Stroustrup"
 855  * indent-tabs-mode: nil
 856  * End:
 857  * vim: shiftwidth=4 tabstop=8 expandtab
 858  */
 859