ztest/ztest.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2010 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 <math.h>
  12 #include <stdlib.h>
  13 #include <ctype.h>
  14
  15 #if HAVE_SYS_TIME_H
  16 #include <sys/time.h>
  17 #endif
  18 #if HAVE_UNISTD_H
  19 #include <unistd.h>
  20 #endif
  21 #if HAVE_SYS_SELECT_H
  22 #include <sys/select.h>
  23 #endif
  24 #ifdef WIN32
  25 #include <windows.h>
  26 #endif
  27
  28 #include <yaz/log.h>
  29 #include <yaz/backend.h>
  30 #include <yaz/ill.h>
  31 #include <yaz/diagbib1.h>
  32 #include <yaz/otherinfo.h>
  33 #include <yaz/facet.h>
  34
  35 #include "ztest.h"
  36
  37 static int log_level=0;
  38 static int log_level_set=0;
  39
  40 struct delay {
  41     double d1;
  42     double d2;
  43 };
  44
  45 struct result_set {
  46     char *name;
  47     char *db;
  48     Odr_int hits;
  49     struct delay search_delay;
  50     struct delay present_delay;
  51     struct delay fetch_delay;
  52     struct result_set *next;
  53 };
  54
  55 struct session_handle {
  56     struct result_set *result_sets;
  57 };
  58
  59 int ztest_search(void *handle, bend_search_rr *rr);
  60 int ztest_sort(void *handle, bend_sort_rr *rr);
  61 int ztest_present(void *handle, bend_present_rr *rr);
  62 int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
  63 int ztest_delete(void *handle, bend_delete_rr *rr);
  64
  65 static struct result_set *get_set(struct session_handle *sh, const char *name)
  66 {
  67     struct result_set *set = sh->result_sets;
  68     for (; set; set = set->next)
  69         if (!strcmp(name, set->name))
  70             return set;
  71     return 0;
  72 }
  73
  74 static void remove_sets(struct session_handle *sh)
  75 {
  76     struct result_set *set = sh->result_sets;
  77     while (set)
  78     {
  79         struct result_set *set_next = set->next;
  80         xfree(set->name);
  81         xfree(set->db);
  82         xfree(set);
  83         set = set_next;
  84     }
  85     sh->result_sets = 0;
  86 }
  87
  88 /** \brief use term value as hit count
  89     \param s RPN structure
  90     \return >= 0: search term number or -1: not found
  91
  92     Traverse RPN tree 'in order' and use term value as hit count.
  93     Only terms  that looks a numeric is used.. Returns -1 if
  94     no sub tree has a hit count term
  95 */
  96 static Odr_int get_term_hit(Z_RPNStructure *s)
  97 {
  98     Odr_int h = -1;
  99     switch(s->which)
 100     {
 101     case Z_RPNStructure_simple:
 102         if (s->u.simple->which == Z_Operand_APT)
 103         {
 104             Z_AttributesPlusTerm *apt = s->u.simple->u.attributesPlusTerm;
 105             if (apt->term->which == Z_Term_general)
 106             {
 107                 Odr_oct *oct = apt->term->u.general;
 108                 if (oct->len > 0 && oct->buf[0] >= '0' && oct->buf[0] <= '9')
 109                 {
 110                     WRBUF hits_str = wrbuf_alloc();
 111                     wrbuf_write(hits_str, (const char *) oct->buf, oct->len);
 112                     h = odr_atoi(wrbuf_cstr(hits_str));
 113                     wrbuf_destroy(hits_str);
 114                 }
 115             }
 116         }
 117         break;
 118     case Z_RPNStructure_complex:
 119         h = get_term_hit(s->u.complex->s1);
 120         if (h == -1)
 121             h = get_term_hit(s->u.complex->s2);
 122         break;
 123     }
 124     return h;
 125 }
 126
 127 /** \brief gets hit count for numeric terms in RPN queries
 128     \param q RPN Query
 129     \return number of hits (random or number for term)
 130
 131     This is just for testing.. A real database of course uses
 132     the content of a database to establish a value.. In our case, we
 133     have a way to trigger a certain hit count. Good for testing of
 134     client applications etc
 135 */
 136 static Odr_int get_hit_count(Z_Query *q)
 137 {
 138     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
 139     {
 140         Odr_int h = -1;
 141         h = get_term_hit(q->u.type_1->RPNStructure);
 142         if (h == -1)
 143             h = rand() % 24;
 144         return h;
 145     }
 146     else
 147         return 24;
 148 }
 149
 150 /** \brief checks if it's a dummy Slow database
 151     \param basename database name to check
 152     \param association backend association (or NULL if not available)
 153     \retval 1 is slow database
 154     \retval 0 is not a slow database
 155
 156     The Slow database is for testing.. It allows us to simulate
 157     a slow server...
 158 */
 159 static int check_slow(const char *basename, bend_association association)
 160 {
 161     if (strncmp(basename, "Slow", 4) == 0)
 162     {
 163 #if HAVE_UNISTD_H
 164         int i, w = 3;
 165         if (basename[4])
 166             sscanf(basename+4, "%d", &w);
 167         /* wait up to 3 seconds and check if connection is still alive */
 168         for (i = 0; i < w; i++)
 169         {
 170             if (association && !bend_assoc_is_alive(association))
 171             {
 172                 yaz_log(YLOG_LOG, "search aborted");
 173                 break;
 174             }
 175             sleep(1);
 176         }
 177 #endif
 178         return 1;
 179     }
 180     return 0;
 181 }
 182
 183 static int strcmp_prefix(const char *s, const char *p)
 184 {
 185     size_t l = strlen(p);
 186     if (strlen(s) >= l && !memcmp(s, p, l))
 187         return 1;
 188     return 0;
 189 }
 190
 191 static void init_delay(struct delay *delayp)
 192 {
 193     delayp->d1 = delayp->d2 = 0.0;
 194 }
 195
 196 static int parse_delay(struct delay *delayp, const char *value)
 197 {
 198     if (sscanf(value, "%lf:%lf", &delayp->d1, &delayp->d2) == 2)
 199         ;
 200     else if (sscanf(value, "%lf", &delayp->d1) == 1)
 201         delayp->d2 = 0.0;
 202     else
 203         return -1;
 204     return 0;
 205 }
 206
 207 static void ztest_sleep(double d)
 208 {
 209 #ifdef WIN32
 210     Sleep( (DWORD) (d * 1000));
 211 #else
 212     struct timeval tv;
 213     tv.tv_sec = floor(d);
 214     tv.tv_usec = (d - floor(d)) * 1000000;
 215     select(0, 0, 0, 0, &tv);
 216 #endif
 217 }
 218
 219 static void do_delay(const struct delay *delayp)
 220 {
 221     double d = delayp->d1;
 222
 223     if (d > 0.0)
 224     {
 225         if (delayp->d2 > d)
 226             d += (rand()) * (delayp->d2 - d) / RAND_MAX;
 227         ztest_sleep(d);
 228     }
 229 }
 230
 231 static void addterms(ODR odr, Z_FacetField *facet_field) {
 232     int index;
 233     int freq = 100;
 234     const char *key = "key";
 235     for (index = 0; index < facet_field->num_terms; index++) {
 236         Z_Term *term = term_create(odr, key);
 237         Z_FacetTerm *facet_term = facet_term_create(odr, term, freq);
 238         freq = freq - 10 ;
 239         facet_field_term_set(odr, facet_field, facet_term, index);
 240         //yaz_log(YLOG_DEBUG, "Facet term %d %d", term->u.characterString, *facet_term->count);
 241     }
 242 }
 243 Z_OtherInformation *build_facet_response(ODR odr, Z_FacetList *facet_list) {
 244     int index;
 245     Z_OtherInformation *oi = odr_malloc(odr, sizeof(*oi));
 246     Z_OtherInformationUnit *oiu = odr_malloc(odr, sizeof(*oiu));
 247     Z_FacetList *new_list = facet_list_create(odr, facet_list->num);
 248
 249     for (index = 0; index < facet_list->num; index++) {
 250         new_list->elements[index] = facet_field_create(odr, facet_list->elements[index]->attributes, 3);
 251         addterms(odr, new_list->elements[index]);
 252     }
 253     oi->num_elements = 1;
 254     oi->list = odr_malloc(odr, oi->num_elements * sizeof(*oi->list));
 255     oiu->category = 0;
 256     oiu->which = Z_OtherInfo_externallyDefinedInfo;
 257     oiu->information.externallyDefinedInfo = odr_malloc(odr, sizeof(*oiu->information.externallyDefinedInfo));
 258     oiu->information.externallyDefinedInfo->direct_reference = odr_oiddup(odr, yaz_oid_userinfo_facet_1);
 259     oiu->information.externallyDefinedInfo->which = Z_External_userFacets;
 260     oiu->information.externallyDefinedInfo->u.facetList = new_list;
 261     oi->list[0] = oiu;
 262     return oi;
 263 }
 264
 265 int ztest_search(void *handle, bend_search_rr *rr)
 266 {
 267     struct session_handle *sh = (struct session_handle*) handle;
 268     struct result_set *new_set;
 269     const char *db, *db_sep;
 270
 271     if (rr->num_bases != 1)
 272     {
 273         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 274         return 0;
 275     }
 276
 277     db = rr->basenames[0];
 278
 279     /* Allow Default, db.* and Slow */
 280     if (strcmp_prefix(db, "Default"))
 281         ;  /* Default is OK in our test */
 282     else if (strcmp_prefix(db, "db"))
 283         ;  /* db.* is OK in our test */
 284     else if (check_slow(rr->basenames[0], rr->association))
 285     {
 286         rr->estimated_hit_count = 1;
 287     }
 288     else
 289     {
 290         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 291         rr->errstring = rr->basenames[0];
 292         return 0;
 293     }
 294
 295     new_set = get_set(sh, rr->setname);
 296     if (new_set)
 297     {
 298         if (!rr->replace_set)
 299         {
 300             rr->errcode = YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF;
 301             return 0;
 302         }
 303         xfree(new_set->db);
 304     }
 305     else
 306     {
 307         new_set = xmalloc(sizeof(*new_set));
 308         new_set->next = sh->result_sets;
 309         sh->result_sets = new_set;
 310         new_set->name = xstrdup(rr->setname);
 311     }
 312     new_set->hits = 0;
 313     new_set->db = xstrdup(db);
 314     init_delay(&new_set->search_delay);
 315     init_delay(&new_set->present_delay);
 316     init_delay(&new_set->fetch_delay);
 317
 318     db_sep = strchr(db, '?');
 319     if (db_sep)
 320     {
 321         char **names;
 322         char **values;
 323         int no_parms = yaz_uri_to_array(db_sep+1, rr->stream, &names, &values);
 324         int i;
 325         for (i = 0; i < no_parms; i++)
 326         {
 327             const char *name = names[i];
 328             const char *value = values[i];
 329             if (!strcmp(name, "seed"))
 330                 srand(atoi(value));
 331             else if (!strcmp(name, "search-delay"))
 332                 parse_delay(&new_set->search_delay, value);
 333             else if (!strcmp(name, "present-delay"))
 334                 parse_delay(&new_set->present_delay, value);
 335             else if (!strcmp(name, "fetch-delay"))
 336                 parse_delay(&new_set->fetch_delay, value);
 337             else
 338             {
 339                 rr->errcode = YAZ_BIB1_SERVICE_UNSUPP_FOR_THIS_DATABASE;
 340                 rr->errstring = odr_strdup(rr->stream, name);
 341             }
 342         }
 343     }
 344
 345     if (rr->extra_args)
 346     {
 347         Z_SRW_extra_arg *a;
 348         WRBUF response_xml = wrbuf_alloc();
 349         wrbuf_puts(response_xml, "<extra>");
 350         for (a = rr->extra_args; a; a = a->next)
 351         {
 352             wrbuf_puts(response_xml, "<extra name=\"");
 353             wrbuf_xmlputs(response_xml, a->name);
 354             wrbuf_puts(response_xml, "\"");
 355             if (a->value)
 356             {
 357                 wrbuf_puts(response_xml, " value=\"");
 358                 wrbuf_xmlputs(response_xml, a->value);
 359                 wrbuf_puts(response_xml, "\"");
 360             }
 361             wrbuf_puts(response_xml, "/>");
 362         }
 363         wrbuf_puts(response_xml, "</extra>");
 364         rr->extra_response_data =
 365             odr_strdup(rr->stream, wrbuf_cstr(response_xml));
 366         wrbuf_destroy(response_xml);
 367     }
 368     rr->hits = get_hit_count(rr->query);
 369
 370     if (1)
 371     {
 372         /* TODO Not general. Only handles one (Facet) OtherInformation. Overwrite  */
 373         Z_FacetList *facet_list = extract_facet_request(rr->stream, rr->search_input);
 374
 375         if (facet_list) {
 376             yaz_log(YLOG_LOG, "%d Facets in search request.", facet_list->num);
 377             rr->search_info = build_facet_response(rr->stream, facet_list);
 378         }
 379         else
 380             yaz_log(YLOG_DEBUG, "No facets parsed search request.");
 381
 382     }
 383     do_delay(&new_set->search_delay);
 384     new_set->hits = rr->hits;
 385
 386     return 0;
 387 }
 388
 389
 390 /* this huge function handles extended services */
 391 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 392 {
 393     /* user-defined handle - created in bend_init */
 394     int *counter = (int*) handle;
 395
 396     yaz_log(log_level, "ESRequest no %d", *counter);
 397
 398     (*counter)++;
 399
 400     if (rr->esr->packageName)
 401         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 402     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 403
 404
 405     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 406
 407     if (!rr->esr->taskSpecificParameters)
 408     {
 409         yaz_log(log_level, "No task specific parameters");
 410     }
 411     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 412     {
 413         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 414         yaz_log(log_level, "Received ItemOrder");
 415         if (it->which == Z_IOItemOrder_esRequest)
 416         {
 417             Z_IORequest *ir = it->u.esRequest;
 418             Z_IOOriginPartToKeep *k = ir->toKeep;
 419             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 420             const char *xml_in_response = 0;
 421
 422             if (k && k->contact)
 423             {
 424                 if (k->contact->name)
 425                     yaz_log(log_level, "contact name %s", k->contact->name);
 426                 if (k->contact->phone)
 427                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 428                 if (k->contact->email)
 429                     yaz_log(log_level, "contact email %s", k->contact->email);
 430             }
 431             if (k->addlBilling)
 432             {
 433                 yaz_log(log_level, "Billing info (not shown)");
 434             }
 435
 436             if (n->resultSetItem)
 437             {
 438                 yaz_log(log_level, "resultsetItem");
 439                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 440                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 441             }
 442             if (n->itemRequest)
 443             {
 444                 Z_External *r = (Z_External*) n->itemRequest;
 445                 ILL_ItemRequest *item_req = 0;
 446                 ILL_APDU *ill_apdu = 0;
 447                 if (r->direct_reference)
 448                 {
 449                     char oid_name_str[OID_STR_MAX];
 450                     oid_class oclass;
 451                     const char *oid_name =
 452                         yaz_oid_to_string_buf(r->direct_reference,
 453                                               &oclass, oid_name_str);
 454                     if (oid_name)
 455                         yaz_log(log_level, "OID %s", oid_name);
 456                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 457                     {
 458                         yaz_log(log_level, "ILL XML request");
 459                         if (r->which == Z_External_octet)
 460                             yaz_log(log_level, "%.*s",
 461                                     r->u.octet_aligned->len,
 462                                     r->u.octet_aligned->buf);
 463                         xml_in_response = "<dummy>x</dummy>";
 464                     }
 465                     if (!oid_oidcmp(r->direct_reference,
 466                                     yaz_oid_general_isoill_1))
 467                     {
 468                         yaz_log(log_level, "Decode ItemRequest begin");
 469                         if (r->which == ODR_EXTERNAL_single)
 470                         {
 471                             odr_setbuf(rr->decode,
 472                                        (char *) r->u.single_ASN1_type->buf,
 473                                        r->u.single_ASN1_type->len, 0);
 474
 475                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 476                             {
 477                                 yaz_log(log_level,
 478                                         "Couldn't decode ItemRequest %s near %ld",
 479                                         odr_errmsg(odr_geterror(rr->decode)),
 480                                         (long) odr_offset(rr->decode));
 481                             }
 482                             else
 483                                 yaz_log(log_level, "Decode ItemRequest OK");
 484                             if (rr->print)
 485                             {
 486                                 ill_ItemRequest(rr->print, &item_req, 0,
 487                                                 "ItemRequest");
 488                                 odr_reset(rr->print);
 489                             }
 490                         }
 491                         if (!item_req && r->which == ODR_EXTERNAL_single)
 492                         {
 493                             yaz_log(log_level, "Decode ILL APDU begin");
 494                             odr_setbuf(rr->decode,
 495                                        (char*) r->u.single_ASN1_type->buf,
 496                                        r->u.single_ASN1_type->len, 0);
 497
 498                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 499                             {
 500                                 yaz_log(log_level,
 501                                         "Couldn't decode ILL APDU %s near %ld",
 502                                         odr_errmsg(odr_geterror(rr->decode)),
 503                                         (long) odr_offset(rr->decode));
 504                                 yaz_log(log_level, "PDU dump:");
 505                                 odr_dumpBER(yaz_log_file(),
 506                                             (char *) r->u.single_ASN1_type->buf,
 507                                             r->u.single_ASN1_type->len);
 508                             }
 509                             else
 510                                 yaz_log(log_level, "Decode ILL APDU OK");
 511                             if (rr->print)
 512                             {
 513                                 ill_APDU(rr->print, &ill_apdu, 0,
 514                                          "ILL APDU");
 515                                 odr_reset(rr->print);
 516                             }
 517                         }
 518                     }
 519                 }
 520                 if (item_req)
 521                 {
 522                     yaz_log(log_level, "ILL protocol version = "
 523                             ODR_INT_PRINTF,
 524                             *item_req->protocol_version_num);
 525                 }
 526             }
 527             if (k)
 528             {
 529
 530                 Z_External *ext = (Z_External *)
 531                     odr_malloc(rr->stream, sizeof(*ext));
 532                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 533                     odr_malloc(rr->stream, sizeof(*keep));
 534                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 535                     odr_malloc(rr->stream, sizeof(*targetPart));
 536
 537                 rr->taskPackage = (Z_TaskPackage *)
 538                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 539                 rr->taskPackage->packageType =
 540                     odr_oiddup(rr->stream, rr->esr->packageType);
 541                 rr->taskPackage->packageName = 0;
 542                 rr->taskPackage->userId = 0;
 543                 rr->taskPackage->retentionTime = 0;
 544                 rr->taskPackage->permissions = 0;
 545                 rr->taskPackage->description = 0;
 546                 rr->taskPackage->targetReference = (Odr_oct *)
 547                     odr_malloc(rr->stream, sizeof(Odr_oct));
 548                 rr->taskPackage->targetReference->buf =
 549                     (unsigned char *) odr_strdup(rr->stream, "911");
 550                 rr->taskPackage->targetReference->len =
 551                     rr->taskPackage->targetReference->size =
 552                     strlen((char *) (rr->taskPackage->targetReference->buf));
 553                 rr->taskPackage->creationDateTime = 0;
 554                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 555                 rr->taskPackage->packageDiagnostics = 0;
 556                 rr->taskPackage->taskSpecificParameters = ext;
 557
 558                 ext->direct_reference =
 559                     odr_oiddup(rr->stream, rr->esr->packageType);
 560                 ext->indirect_reference = 0;
 561                 ext->descriptor = 0;
 562                 ext->which = Z_External_itemOrder;
 563                 ext->u.itemOrder = (Z_ItemOrder *)
 564                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 565                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 566                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 567                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 568                 ext->u.itemOrder->u.taskPackage->originPart = k;
 569                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 570
 571                 if (xml_in_response)
 572                     targetPart->itemRequest =
 573                         z_ext_record_xml(rr->stream, xml_in_response,
 574                                          strlen(xml_in_response));
 575                 else
 576                     targetPart->itemRequest = 0;
 577
 578                 targetPart->statusOrErrorReport = 0;
 579                 targetPart->auxiliaryStatus = 0;
 580             }
 581         }
 582     }
 583     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 584     {
 585         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 586         yaz_log(log_level, "Received DB Update");
 587         if (up->which == Z_IUUpdate_esRequest)
 588         {
 589             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 590             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 591             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 592
 593             yaz_log(log_level, "action");
 594             if (toKeep->action)
 595             {
 596                 switch (*toKeep->action)
 597                 {
 598                 case Z_IUOriginPartToKeep_recordInsert:
 599                     yaz_log(log_level, " recordInsert");
 600                     break;
 601                 case Z_IUOriginPartToKeep_recordReplace:
 602                     yaz_log(log_level, " recordReplace");
 603                     break;
 604                 case Z_IUOriginPartToKeep_recordDelete:
 605                     yaz_log(log_level, " recordDelete");
 606                     break;
 607                 case Z_IUOriginPartToKeep_elementUpdate:
 608                     yaz_log(log_level, " elementUpdate");
 609                     break;
 610                 case Z_IUOriginPartToKeep_specialUpdate:
 611                     yaz_log(log_level, " specialUpdate");
 612                     break;
 613                 default:
 614                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 615                             *toKeep->action);
 616                 }
 617             }
 618             if (toKeep->databaseName)
 619             {
 620                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 621                 if (!strcmp(toKeep->databaseName, "fault"))
 622                 {
 623                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 624                     rr->errstring = toKeep->databaseName;
 625                 }
 626                 if (!strcmp(toKeep->databaseName, "accept"))
 627                     rr->errcode = -1;
 628             }
 629             if (toKeep)
 630             {
 631                 Z_External *ext = (Z_External *)
 632                     odr_malloc(rr->stream, sizeof(*ext));
 633                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 634                     odr_malloc(rr->stream, sizeof(*keep));
 635                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 636                     odr_malloc(rr->stream, sizeof(*targetPart));
 637
 638                 rr->taskPackage = (Z_TaskPackage *)
 639                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 640                 rr->taskPackage->packageType =
 641                     odr_oiddup(rr->stream, rr->esr->packageType);
 642                 rr->taskPackage->packageName = 0;
 643                 rr->taskPackage->userId = 0;
 644                 rr->taskPackage->retentionTime = 0;
 645                 rr->taskPackage->permissions = 0;
 646                 rr->taskPackage->description = 0;
 647                 rr->taskPackage->targetReference = (Odr_oct *)
 648                     odr_malloc(rr->stream, sizeof(Odr_oct));
 649                 rr->taskPackage->targetReference->buf =
 650                     (unsigned char *) odr_strdup(rr->stream, "123");
 651                 rr->taskPackage->targetReference->len =
 652                     rr->taskPackage->targetReference->size =
 653                     strlen((char *) (rr->taskPackage->targetReference->buf));
 654                 rr->taskPackage->creationDateTime = 0;
 655                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 656                 rr->taskPackage->packageDiagnostics = 0;
 657                 rr->taskPackage->taskSpecificParameters = ext;
 658
 659                 ext->direct_reference =
 660                     odr_oiddup(rr->stream, rr->esr->packageType);
 661                 ext->indirect_reference = 0;
 662                 ext->descriptor = 0;
 663                 ext->which = Z_External_update;
 664                 ext->u.update = (Z_IUUpdate *)
 665                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 666                 ext->u.update->which = Z_IUUpdate_taskPackage;
 667                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 668                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 669                 ext->u.update->u.taskPackage->originPart = keep;
 670                 ext->u.update->u.taskPackage->targetPart = targetPart;
 671
 672                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 673                 keep->databaseName =
 674                     odr_strdup(rr->stream, toKeep->databaseName);
 675                 keep->schema = 0;
 676                 keep->elementSetName = 0;
 677                 keep->actionQualifier = 0;
 678
 679                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 680                 targetPart->num_globalDiagnostics = 0;
 681                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 682                 targetPart->num_taskPackageRecords = 1;
 683                 targetPart->taskPackageRecords =
 684                     (Z_IUTaskPackageRecordStructure **)
 685                     odr_malloc(rr->stream,
 686                                sizeof(Z_IUTaskPackageRecordStructure *));
 687                 targetPart->taskPackageRecords[0] =
 688                     (Z_IUTaskPackageRecordStructure *)
 689                     odr_malloc(rr->stream,
 690                                sizeof(Z_IUTaskPackageRecordStructure));
 691
 692                 targetPart->taskPackageRecords[0]->which =
 693                     Z_IUTaskPackageRecordStructure_record;
 694                 targetPart->taskPackageRecords[0]->u.record =
 695                     z_ext_record_sutrs(rr->stream, "test", 4);
 696                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 697                 targetPart->taskPackageRecords[0]->recordStatus =
 698                     odr_intdup(rr->stream,
 699                                Z_IUTaskPackageRecordStructure_success);
 700                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 701                     = 0;
 702
 703                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 704             }
 705             if (notToKeep)
 706             {
 707                 int i;
 708                 for (i = 0; i < notToKeep->num; i++)
 709                 {
 710                     Z_External *rec = notToKeep->elements[i]->record;
 711
 712                     if (rec->direct_reference)
 713                     {
 714                         char oid_name_str[OID_STR_MAX];
 715                         const char *oid_name
 716                             = oid_name = yaz_oid_to_string_buf(
 717                                 rec->direct_reference, 0,
 718                                 oid_name_str);
 719                         if (oid_name)
 720                             yaz_log(log_level, "record %d type %s", i,
 721                                     oid_name);
 722                     }
 723                     switch (rec->which)
 724                     {
 725                     case Z_External_sutrs:
 726                         if (rec->u.octet_aligned->len > 170)
 727                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 728                                     rec->u.sutrs->len,
 729                                     rec->u.sutrs->buf);
 730                         else
 731                             yaz_log(log_level, "%d bytes:\n%s",
 732                                     rec->u.sutrs->len,
 733                                     rec->u.sutrs->buf);
 734                         break;
 735                     case Z_External_octet        :
 736                         if (rec->u.octet_aligned->len > 170)
 737                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 738                                     rec->u.octet_aligned->len,
 739                                     rec->u.octet_aligned->buf);
 740                         else
 741                             yaz_log(log_level, "%d bytes\n%s",
 742                                     rec->u.octet_aligned->len,
 743                                     rec->u.octet_aligned->buf);
 744                     }
 745                 }
 746             }
 747         }
 748     }
 749     return 0;
 750 }
 751
 752 /* result set delete */
 753 int ztest_delete(void *handle, bend_delete_rr *rr)
 754 {
 755     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 756         rr->delete_status = Z_DeleteStatus_success;
 757     else
 758         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 759     return 0;
 760 }
 761
 762 /* Our sort handler really doesn't sort... */
 763 int ztest_sort(void *handle, bend_sort_rr *rr)
 764 {
 765     rr->errcode = 0;
 766     rr->sort_status = Z_SortResponse_success;
 767     return 0;
 768 }
 769
 770
 771 /* present request handler */
 772 int ztest_present(void *handle, bend_present_rr *rr)
 773 {
 774     struct session_handle *sh = (struct session_handle*) handle;
 775     struct result_set *set = get_set(sh, rr->setname);
 776
 777     if (!set)
 778     {
 779         rr->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 780         rr->errstring = odr_strdup(rr->stream, rr->setname);
 781         return 0;
 782     }
 783     do_delay(&set->present_delay);
 784     return 0;
 785 }
 786
 787 /* retrieval of a single record (present, and piggy back search) */
 788 int ztest_fetch(void *handle, bend_fetch_rr *r)
 789 {
 790     struct session_handle *sh = (struct session_handle*) handle;
 791     char *cp;
 792     const Odr_oid *oid = r->request_format;
 793     struct result_set *set = get_set(sh, r->setname);
 794
 795     if (!set)
 796     {
 797         r->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 798         r->errstring = odr_strdup(r->stream, r->setname);
 799         return 0;
 800     }
 801     do_delay(&set->fetch_delay);
 802     r->last_in_set = 0;
 803     r->basename = set->db;
 804     r->output_format = r->request_format;
 805
 806     if (r->number < 1 || r->number > set->hits)
 807     {
 808         r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 809         return 0;
 810     }
 811     if (!oid || yaz_oid_is_iso2709(oid))
 812     {
 813         cp = dummy_marc_record(r->number, r->stream);
 814         if (!cp)
 815         {
 816             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 817             r->surrogate_flag = 1;
 818             return 0;
 819         }
 820         else
 821         {
 822             r->len = strlen(cp);
 823             r->record = cp;
 824             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 825         }
 826     }
 827     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 828     {
 829         cp = dummy_marc_record(r->number, r->stream);
 830         if (!cp)
 831         {
 832             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 833             r->surrogate_flag = 1;
 834             return 0;
 835         }
 836         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 837         r->len = -1;
 838     }
 839     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 840     {
 841         /* this section returns a small record */
 842         char buf[100];
 843
 844         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 845
 846         r->len = strlen(buf);
 847         r->record = (char *) odr_malloc(r->stream, r->len+1);
 848         strcpy(r->record, buf);
 849     }
 850     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 851     {
 852         r->len = -1;
 853         r->record = (char*) dummy_grs_record(r->number, r->stream);
 854         if (!r->record)
 855         {
 856             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 857             r->surrogate_flag = 1;
 858             return 0;
 859         }
 860     }
 861     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 862     {
 863         char fname[20];
 864         FILE *f;
 865         long size;
 866
 867         sprintf(fname, "part.%d.ps", r->number);
 868         f = fopen(fname, "rb");
 869         if (!f)
 870         {
 871             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 872             r->surrogate_flag = 1;
 873             return 0;
 874         }
 875         fseek(f, 0L, SEEK_END);
 876         size = ftell(f);
 877         if (size <= 0 || size >= 5000000)
 878         {
 879             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 880             r->surrogate_flag = 1;
 881         }
 882         fseek(f, 0L, SEEK_SET);
 883         r->record = (char*) odr_malloc(r->stream, size);
 884         r->len = size;
 885         if (fread(r->record, size, 1, f) != 1)
 886         {
 887             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 888             r->surrogate_flag = 1;
 889         }
 890         fclose(f);
 891     }
 892     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 893     {
 894         if ((cp = dummy_xml_record(r->number, r->stream)))
 895         {
 896             r->len = strlen(cp);
 897             r->record = cp;
 898         }
 899         else
 900         {
 901             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 902             r->surrogate_flag = 1;
 903             return 0;
 904         }
 905     }
 906     else
 907     {
 908         char buf[OID_STR_MAX];
 909         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 910         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 911         return 0;
 912     }
 913     r->errcode = 0;
 914     return 0;
 915 }
 916
 917 /*
 918  * silly dummy-scan what reads words from a file.
 919  */
 920 int ztest_scan(void *handle, bend_scan_rr *q)
 921 {
 922     static FILE *f = 0;
 923     static struct scan_entry list[200];
 924     static char entries[200][80];
 925     int hits[200];
 926     char term[80], *p;
 927     int i, pos;
 928     int term_position_req = q->term_position;
 929     int num_entries_req = q->num_entries;
 930
 931     /* Throw Database unavailable if other than Default or Slow */
 932     if (!yaz_matchstr(q->basenames[0], "Default"))
 933         ;  /* Default is OK in our test */
 934     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 935         ;
 936     else
 937     {
 938         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 939         q->errstring = q->basenames[0];
 940         return 0;
 941     }
 942
 943     q->errcode = 0;
 944     q->errstring = 0;
 945     q->entries = list;
 946     q->status = BEND_SCAN_SUCCESS;
 947     if (!f && !(f = fopen("dummy-words", "r")))
 948     {
 949         perror("dummy-words");
 950         exit(1);
 951     }
 952     if (q->num_entries > 200)
 953     {
 954         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 955         return 0;
 956     }
 957     if (q->term)
 958     {
 959         int len;
 960         if (q->term->term->which != Z_Term_general)
 961         {
 962             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 963             return 0;
 964         }
 965         if (*q->step_size != 0)
 966         {
 967             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 968             return 0;
 969         }
 970         len = q->term->term->u.general->len;
 971         if (len >= (int ) sizeof(term))
 972             len = sizeof(term)-1;
 973         memcpy(term, q->term->term->u.general->buf, len);
 974         term[len] = '\0';
 975     }
 976     else if (q->scanClause)
 977     {
 978         strncpy(term, q->scanClause, sizeof(term)-1);
 979         term[sizeof(term)-1] = '\0';
 980     }
 981     else
 982         strcpy(term, "0");
 983
 984     for (p = term; *p; p++)
 985         if (islower(*(unsigned char *) p))
 986             *p = toupper(*p);
 987
 988     fseek(f, 0, SEEK_SET);
 989     q->num_entries = 0;
 990
 991     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
 992          i++, pos < 199 ? pos++ : (pos = 0))
 993     {
 994         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
 995         {
 996             if ((q->term_position = term_position_req) > i + 1)
 997             {
 998                 q->term_position = i + 1;
 999                 q->status = BEND_SCAN_PARTIAL;
1000             }
1001             for (; q->num_entries < q->term_position; q->num_entries++)
1002             {
1003                 int po;
1004
1005                 po = pos - q->term_position + q->num_entries+1; /* find pos */
1006                 if (po < 0)
1007                     po += 200;
1008
1009                 if (!strcmp(term, "SD") && q->num_entries == 2)
1010                 {
1011                     list[q->num_entries].term = entries[pos];
1012                     list[q->num_entries].occurrences = -1;
1013                     list[q->num_entries].errcode =
1014                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
1015                     list[q->num_entries].errstring = "SD for Scan Term";
1016                 }
1017                 else
1018                 {
1019                     list[q->num_entries].term = entries[po];
1020                     list[q->num_entries].occurrences = hits[po];
1021                 }
1022             }
1023         }
1024         else if (q->num_entries)
1025         {
1026             list[q->num_entries].term = entries[pos];
1027             list[q->num_entries].occurrences = hits[pos];
1028             q->num_entries++;
1029         }
1030         if (q->num_entries >= num_entries_req)
1031             break;
1032     }
1033     if (feof(f))
1034         q->status = BEND_SCAN_PARTIAL;
1035     return 0;
1036 }
1037
1038 int ztest_explain(void *handle, bend_explain_rr *rr)
1039 {
1040     if (rr->database && !strcmp(rr->database, "Default"))
1041     {
1042         rr->explain_buf = "<explain>\n"
1043             "\t<serverInfo>\n"
1044             "\t\t<host>localhost</host>\n"
1045             "\t\t<port>210</port>\n"
1046             "\t</serverInfo>\n"
1047             "</explain>\n";
1048     }
1049     return 0;
1050 }
1051
1052 int ztest_update(void *handle, bend_update_rr *rr)
1053 {
1054     rr->operation_status = "success";
1055     return 0;
1056 }
1057
1058 bend_initresult *bend_init(bend_initrequest *q)
1059 {
1060     bend_initresult *r = (bend_initresult *)
1061         odr_malloc(q->stream, sizeof(*r));
1062     struct session_handle *sh = xmalloc(sizeof(*sh));
1063
1064     sh->result_sets = 0;
1065
1066     if (!log_level_set)
1067     {
1068         log_level=yaz_log_module_level("ztest");
1069         log_level_set=1;
1070     }
1071
1072     r->errcode = 0;
1073     r->errstring = 0;
1074     r->handle = sh;                         /* tell GFS about our handle */
1075     q->bend_sort = ztest_sort;              /* register sort handler */
1076     q->bend_search = ztest_search;          /* register search handler */
1077     q->bend_present = ztest_present;        /* register present handle */
1078     q->bend_esrequest = ztest_esrequest;
1079     q->bend_delete = ztest_delete;
1080     q->bend_fetch = ztest_fetch;
1081     q->bend_scan = ztest_scan;
1082 #if 0
1083     q->bend_explain = ztest_explain;
1084 #endif
1085     q->bend_srw_scan = ztest_scan;
1086     q->bend_srw_update = ztest_update;
1087
1088     q->query_charset = "ISO-8859-1";
1089     q->records_in_same_charset = 0;
1090
1091     return r;
1092 }
1093
1094 void bend_close(void *handle)
1095 {
1096     struct session_handle *sh = (struct session_handle*) handle;
1097     remove_sets(sh);
1098     xfree(sh);              /* release our session */
1099     return;
1100 }
1101
1102 int main(int argc, char **argv)
1103 {
1104     return statserv_main(argc, argv, bend_init, bend_close);
1105 }
1106 /*
1107  * Local variables:
1108  * c-basic-offset: 4
1109  * c-file-style: "Stroustrup"
1110  * indent-tabs-mode: nil
1111  * End:
1112  * vim: shiftwidth=4 tabstop=8 expandtab
1113  */
1114