ztest/ztest.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2013 Index Data
   3  * See the file LICENSE for details.
   4  */
   5 /** \file
   6  * \brief yaz-ztest Generic Frontend Server
   7  */
   8 #if HAVE_CONFIG_H
   9 #include <config.h>
  10 #endif
  11
  12
  13 #include <stdio.h>
  14 #include <math.h>
  15 #include <stdlib.h>
  16
  17 #if HAVE_SYS_TIME_H
  18 #include <sys/time.h>
  19 #endif
  20 #if HAVE_UNISTD_H
  21 #include <unistd.h>
  22 #endif
  23 #if HAVE_SYS_SELECT_H
  24 #include <sys/select.h>
  25 #endif
  26 #ifdef WIN32
  27 #include <windows.h>
  28 #endif
  29
  30 #include <yaz/log.h>
  31 #include <yaz/backend.h>
  32 #include <yaz/ill.h>
  33 #include <yaz/diagbib1.h>
  34 #include <yaz/otherinfo.h>
  35 #include <yaz/facet.h>
  36
  37 #include "ztest.h"
  38
  39 static int log_level=0;
  40 static int log_level_set=0;
  41
  42 struct delay {
  43     double d1;
  44     double d2;
  45 };
  46
  47 struct result_set {
  48     char *name;
  49     char *db;
  50     Odr_int hits;
  51     struct delay search_delay;
  52     struct delay present_delay;
  53     struct delay fetch_delay;
  54     struct result_set *next;
  55 };
  56
  57 struct session_handle {
  58     struct result_set *result_sets;
  59 };
  60
  61 int ztest_search(void *handle, bend_search_rr *rr);
  62 int ztest_sort(void *handle, bend_sort_rr *rr);
  63 int ztest_present(void *handle, bend_present_rr *rr);
  64 int ztest_esrequest(void *handle, bend_esrequest_rr *rr);
  65 int ztest_delete(void *handle, bend_delete_rr *rr);
  66
  67 static struct result_set *get_set(struct session_handle *sh, const char *name)
  68 {
  69     struct result_set *set = sh->result_sets;
  70     for (; set; set = set->next)
  71         if (!strcmp(name, set->name))
  72             return set;
  73     return 0;
  74 }
  75
  76 static void remove_sets(struct session_handle *sh)
  77 {
  78     struct result_set *set = sh->result_sets;
  79     while (set)
  80     {
  81         struct result_set *set_next = set->next;
  82         xfree(set->name);
  83         xfree(set->db);
  84         xfree(set);
  85         set = set_next;
  86     }
  87     sh->result_sets = 0;
  88 }
  89
  90 /** \brief use term value as hit count
  91     \param s RPN structure
  92     \return >= 0: search term number or -1: not found
  93
  94     Traverse RPN tree 'in order' and use term value as hit count.
  95     Only terms  that looks a numeric is used.. Returns -1 if
  96     no sub tree has a hit count term
  97 */
  98 static Odr_int get_term_hit(Z_RPNStructure *s)
  99 {
 100     Odr_int h = -1;
 101     switch(s->which)
 102     {
 103     case Z_RPNStructure_simple:
 104         if (s->u.simple->which == Z_Operand_APT)
 105         {
 106             Z_AttributesPlusTerm *apt = s->u.simple->u.attributesPlusTerm;
 107             if (apt->term->which == Z_Term_general)
 108             {
 109                 Odr_oct *oct = apt->term->u.general;
 110                 if (oct->len > 0 && oct->buf[0] >= '0' && oct->buf[0] <= '9')
 111                 {
 112                     WRBUF hits_str = wrbuf_alloc();
 113                     wrbuf_write(hits_str, (const char *) oct->buf, oct->len);
 114                     h = odr_atoi(wrbuf_cstr(hits_str));
 115                     wrbuf_destroy(hits_str);
 116                 }
 117             }
 118         }
 119         break;
 120     case Z_RPNStructure_complex:
 121         h = get_term_hit(s->u.complex->s1);
 122         if (h == -1)
 123             h = get_term_hit(s->u.complex->s2);
 124         break;
 125     }
 126     return h;
 127 }
 128
 129 /** \brief gets hit count for numeric terms in RPN queries
 130     \param q RPN Query
 131     \return number of hits (random or number for term)
 132
 133     This is just for testing.. A real database of course uses
 134     the content of a database to establish a value.. In our case, we
 135     have a way to trigger a certain hit count. Good for testing of
 136     client applications etc
 137 */
 138 static Odr_int get_hit_count(Z_Query *q)
 139 {
 140     if (q->which == Z_Query_type_1 || q->which == Z_Query_type_101)
 141     {
 142         Odr_int h = -1;
 143         h = get_term_hit(q->u.type_1->RPNStructure);
 144         if (h == -1)
 145             h = rand() % 24;
 146         return h;
 147     }
 148     else
 149         return 24;
 150 }
 151
 152 /** \brief checks if it's a dummy Slow database
 153     \param basename database name to check
 154     \param association backend association (or NULL if not available)
 155     \retval 1 is slow database
 156     \retval 0 is not a slow database
 157
 158     The Slow database is for testing.. It allows us to simulate
 159     a slow server...
 160 */
 161 static int check_slow(const char *basename, bend_association association)
 162 {
 163     if (strncmp(basename, "Slow", 4) == 0)
 164     {
 165 #if HAVE_UNISTD_H
 166         int i, w = 3;
 167         if (basename[4])
 168             sscanf(basename+4, "%d", &w);
 169         /* wait up to 3 seconds and check if connection is still alive */
 170         for (i = 0; i < w; i++)
 171         {
 172             if (association && !bend_assoc_is_alive(association))
 173             {
 174                 yaz_log(YLOG_LOG, "search aborted");
 175                 break;
 176             }
 177             sleep(1);
 178         }
 179 #endif
 180         return 1;
 181     }
 182     return 0;
 183 }
 184
 185 static int strcmp_prefix(const char *s, const char *p)
 186 {
 187     size_t l = strlen(p);
 188     if (strlen(s) >= l && !memcmp(s, p, l))
 189         return 1;
 190     return 0;
 191 }
 192
 193 static void init_delay(struct delay *delayp)
 194 {
 195     delayp->d1 = delayp->d2 = 0.0;
 196 }
 197
 198 static int parse_delay(struct delay *delayp, const char *value)
 199 {
 200     if (sscanf(value, "%lf:%lf", &delayp->d1, &delayp->d2) == 2)
 201         ;
 202     else if (sscanf(value, "%lf", &delayp->d1) == 1)
 203         delayp->d2 = 0.0;
 204     else
 205         return -1;
 206     return 0;
 207 }
 208
 209 static void ztest_sleep(double d)
 210 {
 211 #ifdef WIN32
 212     Sleep( (DWORD) (d * 1000));
 213 #else
 214     struct timeval tv;
 215     tv.tv_sec = d;
 216     tv.tv_usec = (d - (long) d) * 1000000;
 217     select(0, 0, 0, 0, &tv);
 218 #endif
 219 }
 220
 221 static void do_delay(const struct delay *delayp)
 222 {
 223     double d = delayp->d1;
 224
 225     if (d > 0.0)
 226     {
 227         if (delayp->d2 > d)
 228             d += (rand()) * (delayp->d2 - d) / RAND_MAX;
 229         ztest_sleep(d);
 230     }
 231 }
 232
 233 static void addterms(ODR odr, Z_FacetField *facet_field, const char *facet_name)
 234 {
 235     int index;
 236     int freq = 100;
 237     int length = strlen(facet_name) + 10;
 238     char *key = odr_malloc(odr, length);
 239     key[0] = '\0';
 240     for (index = 0; index < facet_field->num_terms; index++)
 241     {
 242         Z_FacetTerm *facet_term;
 243         sprintf(key, "%s%d", facet_name, index);
 244         yaz_log(YLOG_DEBUG, "facet add term %s %d %s", facet_name, index, key);
 245
 246         facet_term = facet_term_create_cstr(odr, key, freq);
 247         freq = freq - 10 ;
 248         facet_field_term_set(odr, facet_field, facet_term, index);
 249     }
 250 }
 251
 252 Z_OtherInformation *build_facet_response(ODR odr, Z_FacetList *facet_list) {
 253     int index, new_index = 0;
 254     Z_FacetList *new_list = facet_list_create(odr, facet_list->num);
 255
 256     for (index = 0; index < facet_list->num; index++) {
 257         struct yaz_facet_attr attrvalues;
 258         yaz_facet_attr_init(&attrvalues);
 259         attrvalues.limit = 10;
 260         yaz_facet_attr_get_z_attributes(facet_list->elements[index]->attributes,
 261                                         &attrvalues);
 262         yaz_log(YLOG_LOG, "Attributes: %s %d ", attrvalues.useattr, attrvalues.limit);
 263         if (attrvalues.errstring)
 264             yaz_log(YLOG_LOG, "Error parsing attributes: %s", attrvalues.errstring);
 265         if (attrvalues.limit > 0 && attrvalues.useattr) {
 266             new_list->elements[new_index] = facet_field_create(odr, facet_list->elements[index]->attributes, attrvalues.limit);
 267             addterms(odr, new_list->elements[new_index], attrvalues.useattr);
 268             new_index++;
 269         }
 270         else {
 271             yaz_log(YLOG_DEBUG, "Facet: skipping %s due to 0 limit.", attrvalues.useattr);
 272         }
 273
 274     }
 275     new_list->num = new_index;
 276     if (new_index > 0) {
 277         Z_OtherInformation *oi = odr_malloc(odr, sizeof(*oi));
 278         Z_OtherInformationUnit *oiu = odr_malloc(odr, sizeof(*oiu));
 279         oi->num_elements = 1;
 280         oi->list = odr_malloc(odr, oi->num_elements * sizeof(*oi->list));
 281         oiu->category = 0;
 282         oiu->which = Z_OtherInfo_externallyDefinedInfo;
 283         oiu->information.externallyDefinedInfo = odr_malloc(odr, sizeof(*oiu->information.externallyDefinedInfo));
 284         oiu->information.externallyDefinedInfo->direct_reference = odr_oiddup(odr, yaz_oid_userinfo_facet_1);
 285         oiu->information.externallyDefinedInfo->descriptor = 0;
 286         oiu->information.externallyDefinedInfo->indirect_reference = 0;
 287         oiu->information.externallyDefinedInfo->which = Z_External_userFacets;
 288         oiu->information.externallyDefinedInfo->u.facetList = new_list;
 289         oi->list[0] = oiu;
 290         return oi;
 291     }
 292     return 0;
 293 }
 294
 295 static void echo_extra_args(ODR stream,
 296                             Z_SRW_extra_arg *extra_args, char **extra_response)
 297 {
 298     if (extra_args)
 299     {
 300         Z_SRW_extra_arg *a;
 301         WRBUF response_xml = wrbuf_alloc();
 302         wrbuf_puts(response_xml, "<extra>");
 303         for (a = extra_args; a; a = a->next)
 304         {
 305             wrbuf_puts(response_xml, "<extra name=\"");
 306             wrbuf_xmlputs(response_xml, a->name);
 307             wrbuf_puts(response_xml, "\"");
 308             if (a->value)
 309             {
 310                 wrbuf_puts(response_xml, " value=\"");
 311                 wrbuf_xmlputs(response_xml, a->value);
 312                 wrbuf_puts(response_xml, "\"");
 313             }
 314             wrbuf_puts(response_xml, "/>");
 315         }
 316         wrbuf_puts(response_xml, "</extra>");
 317         *extra_response = odr_strdup(stream, wrbuf_cstr(response_xml));
 318         wrbuf_destroy(response_xml);
 319     }
 320
 321 }
 322
 323 int ztest_search(void *handle, bend_search_rr *rr)
 324 {
 325     struct session_handle *sh = (struct session_handle*) handle;
 326     struct result_set *new_set;
 327     const char *db, *db_sep;
 328
 329     if (rr->num_bases != 1)
 330     {
 331         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 332         return 0;
 333     }
 334
 335     db = rr->basenames[0];
 336
 337     /* Allow Default, db.* and Slow */
 338     if (strcmp_prefix(db, "Default"))
 339         ;  /* Default is OK in our test */
 340     else if (strcmp_prefix(db, "db"))
 341         ;  /* db.* is OK in our test */
 342     else if (check_slow(rr->basenames[0], rr->association))
 343     {
 344         rr->estimated_hit_count = 1;
 345     }
 346     else
 347     {
 348         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 349         rr->errstring = rr->basenames[0];
 350         return 0;
 351     }
 352
 353     new_set = get_set(sh, rr->setname);
 354     if (new_set)
 355     {
 356         if (!rr->replace_set)
 357         {
 358             rr->errcode = YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF;
 359             return 0;
 360         }
 361         xfree(new_set->db);
 362     }
 363     else
 364     {
 365         new_set = xmalloc(sizeof(*new_set));
 366         new_set->next = sh->result_sets;
 367         sh->result_sets = new_set;
 368         new_set->name = xstrdup(rr->setname);
 369     }
 370     new_set->hits = 0;
 371     new_set->db = xstrdup(db);
 372     init_delay(&new_set->search_delay);
 373     init_delay(&new_set->present_delay);
 374     init_delay(&new_set->fetch_delay);
 375
 376     db_sep = strchr(db, '?');
 377     if (db_sep)
 378     {
 379         char **names;
 380         char **values;
 381         int no_parms = yaz_uri_to_array(db_sep+1, rr->stream, &names, &values);
 382         int i;
 383         for (i = 0; i < no_parms; i++)
 384         {
 385             const char *name = names[i];
 386             const char *value = values[i];
 387             if (!strcmp(name, "seed"))
 388                 srand(atoi(value));
 389             else if (!strcmp(name, "search-delay"))
 390                 parse_delay(&new_set->search_delay, value);
 391             else if (!strcmp(name, "present-delay"))
 392                 parse_delay(&new_set->present_delay, value);
 393             else if (!strcmp(name, "fetch-delay"))
 394                 parse_delay(&new_set->fetch_delay, value);
 395             else
 396             {
 397                 rr->errcode = YAZ_BIB1_SERVICE_UNSUPP_FOR_THIS_DATABASE;
 398                 rr->errstring = odr_strdup(rr->stream, name);
 399             }
 400         }
 401     }
 402
 403     echo_extra_args(rr->stream, rr->extra_args, &rr->extra_response_data);
 404     rr->hits = get_hit_count(rr->query);
 405
 406     if (1)
 407     {
 408         Z_FacetList *facet_list = yaz_oi_get_facetlist(&rr->search_input);
 409         if (facet_list) {
 410             yaz_log(YLOG_LOG, "%d Facets in search request.", facet_list->num);
 411             rr->search_info = build_facet_response(rr->stream, facet_list);
 412         }
 413         else
 414             yaz_log(YLOG_DEBUG, "No facets parsed search request.");
 415
 416     }
 417     do_delay(&new_set->search_delay);
 418     new_set->hits = rr->hits;
 419
 420     return 0;
 421 }
 422
 423
 424 /* this huge function handles extended services */
 425 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 426 {
 427     if (rr->esr->packageName)
 428         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 429     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 430
 431
 432     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 433
 434     if (!rr->esr->taskSpecificParameters)
 435     {
 436         yaz_log(log_level, "No task specific parameters");
 437     }
 438     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 439     {
 440         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 441         yaz_log(log_level, "Received ItemOrder");
 442         if (it->which == Z_IOItemOrder_esRequest)
 443         {
 444             Z_IORequest *ir = it->u.esRequest;
 445             Z_IOOriginPartToKeep *k = ir->toKeep;
 446             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 447             const char *xml_in_response = 0;
 448
 449             if (k && k->contact)
 450             {
 451                 if (k->contact->name)
 452                     yaz_log(log_level, "contact name %s", k->contact->name);
 453                 if (k->contact->phone)
 454                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 455                 if (k->contact->email)
 456                     yaz_log(log_level, "contact email %s", k->contact->email);
 457             }
 458             if (k->addlBilling)
 459             {
 460                 yaz_log(log_level, "Billing info (not shown)");
 461             }
 462
 463             if (n->resultSetItem)
 464             {
 465                 yaz_log(log_level, "resultsetItem");
 466                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 467                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 468             }
 469             if (n->itemRequest)
 470             {
 471                 Z_External *r = (Z_External*) n->itemRequest;
 472                 ILL_ItemRequest *item_req = 0;
 473                 ILL_APDU *ill_apdu = 0;
 474                 if (r->direct_reference)
 475                 {
 476                     char oid_name_str[OID_STR_MAX];
 477                     oid_class oclass;
 478                     const char *oid_name =
 479                         yaz_oid_to_string_buf(r->direct_reference,
 480                                               &oclass, oid_name_str);
 481                     if (oid_name)
 482                         yaz_log(log_level, "OID %s", oid_name);
 483                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 484                     {
 485                         yaz_log(log_level, "ILL XML request");
 486                         if (r->which == Z_External_octet)
 487                             yaz_log(log_level, "%.*s",
 488                                     r->u.octet_aligned->len,
 489                                     r->u.octet_aligned->buf);
 490                         xml_in_response = "<dummy>x</dummy>";
 491                     }
 492                     if (!oid_oidcmp(r->direct_reference,
 493                                     yaz_oid_general_isoill_1))
 494                     {
 495                         yaz_log(log_level, "Decode ItemRequest begin");
 496                         if (r->which == ODR_EXTERNAL_single)
 497                         {
 498                             odr_setbuf(rr->decode,
 499                                        (char *) r->u.single_ASN1_type->buf,
 500                                        r->u.single_ASN1_type->len, 0);
 501
 502                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 503                             {
 504                                 yaz_log(log_level,
 505                                         "Couldn't decode ItemRequest %s near %ld",
 506                                         odr_errmsg(odr_geterror(rr->decode)),
 507                                         (long) odr_offset(rr->decode));
 508                             }
 509                             else
 510                                 yaz_log(log_level, "Decode ItemRequest OK");
 511                             if (rr->print)
 512                             {
 513                                 ill_ItemRequest(rr->print, &item_req, 0,
 514                                                 "ItemRequest");
 515                                 odr_reset(rr->print);
 516                             }
 517                         }
 518                         if (!item_req && r->which == ODR_EXTERNAL_single)
 519                         {
 520                             yaz_log(log_level, "Decode ILL APDU begin");
 521                             odr_setbuf(rr->decode,
 522                                        (char*) r->u.single_ASN1_type->buf,
 523                                        r->u.single_ASN1_type->len, 0);
 524
 525                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 526                             {
 527                                 yaz_log(log_level,
 528                                         "Couldn't decode ILL APDU %s near %ld",
 529                                         odr_errmsg(odr_geterror(rr->decode)),
 530                                         (long) odr_offset(rr->decode));
 531                                 yaz_log(log_level, "PDU dump:");
 532                                 odr_dumpBER(yaz_log_file(),
 533                                             (char *) r->u.single_ASN1_type->buf,
 534                                             r->u.single_ASN1_type->len);
 535                             }
 536                             else
 537                                 yaz_log(log_level, "Decode ILL APDU OK");
 538                             if (rr->print)
 539                             {
 540                                 ill_APDU(rr->print, &ill_apdu, 0,
 541                                          "ILL APDU");
 542                                 odr_reset(rr->print);
 543                             }
 544                         }
 545                     }
 546                 }
 547                 if (item_req)
 548                 {
 549                     yaz_log(log_level, "ILL protocol version = "
 550                             ODR_INT_PRINTF,
 551                             *item_req->protocol_version_num);
 552                 }
 553             }
 554             if (k)
 555             {
 556
 557                 Z_External *ext = (Z_External *)
 558                     odr_malloc(rr->stream, sizeof(*ext));
 559                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 560                     odr_malloc(rr->stream, sizeof(*keep));
 561                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 562                     odr_malloc(rr->stream, sizeof(*targetPart));
 563
 564                 rr->taskPackage = (Z_TaskPackage *)
 565                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 566                 rr->taskPackage->packageType =
 567                     odr_oiddup(rr->stream, rr->esr->packageType);
 568                 rr->taskPackage->packageName = 0;
 569                 rr->taskPackage->userId = 0;
 570                 rr->taskPackage->retentionTime = 0;
 571                 rr->taskPackage->permissions = 0;
 572                 rr->taskPackage->description = 0;
 573                 rr->taskPackage->targetReference = (Odr_oct *)
 574                     odr_malloc(rr->stream, sizeof(Odr_oct));
 575                 rr->taskPackage->targetReference->buf =
 576                     (unsigned char *) odr_strdup(rr->stream, "911");
 577                 rr->taskPackage->targetReference->len =
 578                     rr->taskPackage->targetReference->size =
 579                     strlen((char *) (rr->taskPackage->targetReference->buf));
 580                 rr->taskPackage->creationDateTime = 0;
 581                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 582                 rr->taskPackage->packageDiagnostics = 0;
 583                 rr->taskPackage->taskSpecificParameters = ext;
 584
 585                 ext->direct_reference =
 586                     odr_oiddup(rr->stream, rr->esr->packageType);
 587                 ext->indirect_reference = 0;
 588                 ext->descriptor = 0;
 589                 ext->which = Z_External_itemOrder;
 590                 ext->u.itemOrder = (Z_ItemOrder *)
 591                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 592                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 593                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 594                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 595                 ext->u.itemOrder->u.taskPackage->originPart = k;
 596                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 597
 598                 if (xml_in_response)
 599                     targetPart->itemRequest =
 600                         z_ext_record_xml(rr->stream, xml_in_response,
 601                                          strlen(xml_in_response));
 602                 else
 603                     targetPart->itemRequest = 0;
 604
 605                 targetPart->statusOrErrorReport = 0;
 606                 targetPart->auxiliaryStatus = 0;
 607             }
 608         }
 609     }
 610     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 611     {
 612         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 613         yaz_log(log_level, "Received DB Update");
 614         if (up->which == Z_IUUpdate_esRequest)
 615         {
 616             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 617             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 618             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 619
 620             yaz_log(log_level, "action");
 621             if (toKeep->action)
 622             {
 623                 switch (*toKeep->action)
 624                 {
 625                 case Z_IUOriginPartToKeep_recordInsert:
 626                     yaz_log(log_level, " recordInsert");
 627                     break;
 628                 case Z_IUOriginPartToKeep_recordReplace:
 629                     yaz_log(log_level, " recordReplace");
 630                     break;
 631                 case Z_IUOriginPartToKeep_recordDelete:
 632                     yaz_log(log_level, " recordDelete");
 633                     break;
 634                 case Z_IUOriginPartToKeep_elementUpdate:
 635                     yaz_log(log_level, " elementUpdate");
 636                     break;
 637                 case Z_IUOriginPartToKeep_specialUpdate:
 638                     yaz_log(log_level, " specialUpdate");
 639                     break;
 640                 default:
 641                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 642                             *toKeep->action);
 643                 }
 644             }
 645             if (toKeep->databaseName)
 646             {
 647                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 648                 if (!strcmp(toKeep->databaseName, "fault"))
 649                 {
 650                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 651                     rr->errstring = toKeep->databaseName;
 652                 }
 653                 if (!strcmp(toKeep->databaseName, "accept"))
 654                     rr->errcode = -1;
 655             }
 656             if (toKeep)
 657             {
 658                 Z_External *ext = (Z_External *)
 659                     odr_malloc(rr->stream, sizeof(*ext));
 660                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 661                     odr_malloc(rr->stream, sizeof(*keep));
 662                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 663                     odr_malloc(rr->stream, sizeof(*targetPart));
 664
 665                 rr->taskPackage = (Z_TaskPackage *)
 666                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 667                 rr->taskPackage->packageType =
 668                     odr_oiddup(rr->stream, rr->esr->packageType);
 669                 rr->taskPackage->packageName = 0;
 670                 rr->taskPackage->userId = 0;
 671                 rr->taskPackage->retentionTime = 0;
 672                 rr->taskPackage->permissions = 0;
 673                 rr->taskPackage->description = 0;
 674                 rr->taskPackage->targetReference = (Odr_oct *)
 675                     odr_malloc(rr->stream, sizeof(Odr_oct));
 676                 rr->taskPackage->targetReference->buf =
 677                     (unsigned char *) odr_strdup(rr->stream, "123");
 678                 rr->taskPackage->targetReference->len =
 679                     rr->taskPackage->targetReference->size =
 680                     strlen((char *) (rr->taskPackage->targetReference->buf));
 681                 rr->taskPackage->creationDateTime = 0;
 682                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 683                 rr->taskPackage->packageDiagnostics = 0;
 684                 rr->taskPackage->taskSpecificParameters = ext;
 685
 686                 ext->direct_reference =
 687                     odr_oiddup(rr->stream, rr->esr->packageType);
 688                 ext->indirect_reference = 0;
 689                 ext->descriptor = 0;
 690                 ext->which = Z_External_update;
 691                 ext->u.update = (Z_IUUpdate *)
 692                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 693                 ext->u.update->which = Z_IUUpdate_taskPackage;
 694                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 695                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 696                 ext->u.update->u.taskPackage->originPart = keep;
 697                 ext->u.update->u.taskPackage->targetPart = targetPart;
 698
 699                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 700                 keep->databaseName =
 701                     odr_strdup(rr->stream, toKeep->databaseName);
 702                 keep->schema = 0;
 703                 keep->elementSetName = 0;
 704                 keep->actionQualifier = 0;
 705
 706                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 707                 targetPart->num_globalDiagnostics = 0;
 708                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 709                 targetPart->num_taskPackageRecords = 1;
 710                 targetPart->taskPackageRecords =
 711                     (Z_IUTaskPackageRecordStructure **)
 712                     odr_malloc(rr->stream,
 713                                sizeof(Z_IUTaskPackageRecordStructure *));
 714                 targetPart->taskPackageRecords[0] =
 715                     (Z_IUTaskPackageRecordStructure *)
 716                     odr_malloc(rr->stream,
 717                                sizeof(Z_IUTaskPackageRecordStructure));
 718
 719                 targetPart->taskPackageRecords[0]->which =
 720                     Z_IUTaskPackageRecordStructure_record;
 721                 targetPart->taskPackageRecords[0]->u.record =
 722                     z_ext_record_sutrs(rr->stream, "test", 4);
 723                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 724                 targetPart->taskPackageRecords[0]->recordStatus =
 725                     odr_intdup(rr->stream,
 726                                Z_IUTaskPackageRecordStructure_success);
 727                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 728                     = 0;
 729
 730                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 731             }
 732             if (notToKeep)
 733             {
 734                 int i;
 735                 for (i = 0; i < notToKeep->num; i++)
 736                 {
 737                     Z_External *rec = notToKeep->elements[i]->record;
 738
 739                     if (rec->direct_reference)
 740                     {
 741                         char oid_name_str[OID_STR_MAX];
 742                         const char *oid_name
 743                             = oid_name = yaz_oid_to_string_buf(
 744                                 rec->direct_reference, 0,
 745                                 oid_name_str);
 746                         if (oid_name)
 747                             yaz_log(log_level, "record %d type %s", i,
 748                                     oid_name);
 749                     }
 750                     switch (rec->which)
 751                     {
 752                     case Z_External_sutrs:
 753                         if (rec->u.octet_aligned->len > 170)
 754                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 755                                     rec->u.sutrs->len,
 756                                     rec->u.sutrs->buf);
 757                         else
 758                             yaz_log(log_level, "%d bytes:\n%s",
 759                                     rec->u.sutrs->len,
 760                                     rec->u.sutrs->buf);
 761                         break;
 762                     case Z_External_octet        :
 763                         if (rec->u.octet_aligned->len > 170)
 764                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 765                                     rec->u.octet_aligned->len,
 766                                     rec->u.octet_aligned->buf);
 767                         else
 768                             yaz_log(log_level, "%d bytes\n%s",
 769                                     rec->u.octet_aligned->len,
 770                                     rec->u.octet_aligned->buf);
 771                     }
 772                 }
 773             }
 774         }
 775     }
 776     return 0;
 777 }
 778
 779 /* result set delete */
 780 int ztest_delete(void *handle, bend_delete_rr *rr)
 781 {
 782     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 783         rr->delete_status = Z_DeleteStatus_success;
 784     else
 785         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 786     return 0;
 787 }
 788
 789 /* Our sort handler really doesn't sort... */
 790 int ztest_sort(void *handle, bend_sort_rr *rr)
 791 {
 792     rr->errcode = 0;
 793     rr->sort_status = Z_SortResponse_success;
 794     return 0;
 795 }
 796
 797
 798 /* present request handler */
 799 int ztest_present(void *handle, bend_present_rr *rr)
 800 {
 801     struct session_handle *sh = (struct session_handle*) handle;
 802     struct result_set *set = get_set(sh, rr->setname);
 803
 804     if (!set)
 805     {
 806         rr->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 807         rr->errstring = odr_strdup(rr->stream, rr->setname);
 808         return 0;
 809     }
 810     do_delay(&set->present_delay);
 811     return 0;
 812 }
 813
 814 /* retrieval of a single record (present, and piggy back search) */
 815 int ztest_fetch(void *handle, bend_fetch_rr *r)
 816 {
 817     struct session_handle *sh = (struct session_handle*) handle;
 818     char *cp;
 819     const Odr_oid *oid = r->request_format;
 820     struct result_set *set = get_set(sh, r->setname);
 821
 822     if (!set)
 823     {
 824         r->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 825         r->errstring = odr_strdup(r->stream, r->setname);
 826         return 0;
 827     }
 828     do_delay(&set->fetch_delay);
 829     r->last_in_set = 0;
 830     r->basename = set->db;
 831     r->output_format = r->request_format;
 832
 833     if (r->number < 1 || r->number > set->hits)
 834     {
 835         r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 836         return 0;
 837     }
 838     if (!oid || yaz_oid_is_iso2709(oid))
 839     {
 840         cp = dummy_marc_record(r->number, r->stream);
 841         if (!cp)
 842         {
 843             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 844             r->surrogate_flag = 1;
 845             return 0;
 846         }
 847         else
 848         {
 849             r->len = strlen(cp);
 850             r->record = cp;
 851             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 852         }
 853     }
 854     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 855     {
 856         cp = dummy_marc_record(r->number, r->stream);
 857         if (!cp)
 858         {
 859             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 860             r->surrogate_flag = 1;
 861             return 0;
 862         }
 863         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 864         r->len = -1;
 865     }
 866     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 867     {
 868         /* this section returns a small record */
 869         char buf[100];
 870
 871         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 872
 873         r->len = strlen(buf);
 874         r->record = (char *) odr_malloc(r->stream, r->len+1);
 875         strcpy(r->record, buf);
 876     }
 877     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 878     {
 879         r->len = -1;
 880         r->record = (char*) dummy_grs_record(r->number, r->stream);
 881         if (!r->record)
 882         {
 883             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 884             r->surrogate_flag = 1;
 885             return 0;
 886         }
 887     }
 888     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 889     {
 890         char fname[20];
 891         FILE *f;
 892         long size;
 893
 894         sprintf(fname, "part.%d.ps", r->number);
 895         f = fopen(fname, "rb");
 896         if (!f)
 897         {
 898             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 899             r->surrogate_flag = 1;
 900             return 0;
 901         }
 902         fseek(f, 0L, SEEK_END);
 903         size = ftell(f);
 904         if (size <= 0 || size >= 5000000)
 905         {
 906             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 907             r->surrogate_flag = 1;
 908         }
 909         fseek(f, 0L, SEEK_SET);
 910         r->record = (char*) odr_malloc(r->stream, size);
 911         r->len = size;
 912         if (fread(r->record, size, 1, f) != 1)
 913         {
 914             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 915             r->surrogate_flag = 1;
 916         }
 917         fclose(f);
 918     }
 919     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 920     {
 921         if ((cp = dummy_xml_record(r->number, r->stream)))
 922         {
 923             r->len = strlen(cp);
 924             r->record = cp;
 925         }
 926         else
 927         {
 928             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 929             r->surrogate_flag = 1;
 930             return 0;
 931         }
 932     }
 933     else
 934     {
 935         char buf[OID_STR_MAX];
 936         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 937         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 938         return 0;
 939     }
 940     r->errcode = 0;
 941     return 0;
 942 }
 943
 944 /*
 945  * silly dummy-scan what reads words from a file.
 946  */
 947 int ztest_scan(void *handle, bend_scan_rr *q)
 948 {
 949     static FILE *f = 0;
 950     static struct scan_entry list[200];
 951     static char entries[200][80];
 952     int hits[200];
 953     char term[80], *p;
 954     int i, pos;
 955     int term_position_req = q->term_position;
 956     int num_entries_req = q->num_entries;
 957
 958     /* Throw Database unavailable if other than Default or Slow */
 959     if (!yaz_matchstr(q->basenames[0], "Default"))
 960         ;  /* Default is OK in our test */
 961     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 962         ;
 963     else
 964     {
 965         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 966         q->errstring = q->basenames[0];
 967         return 0;
 968     }
 969
 970     q->errcode = 0;
 971     q->errstring = 0;
 972     q->entries = list;
 973     q->status = BEND_SCAN_SUCCESS;
 974     if (!f && !(f = fopen("dummy-words", "r")))
 975     {
 976         perror("dummy-words");
 977         exit(1);
 978     }
 979     if (q->num_entries > 200)
 980     {
 981         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 982         return 0;
 983     }
 984     if (q->term)
 985     {
 986         int len;
 987         if (q->term->term->which != Z_Term_general)
 988         {
 989             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 990             return 0;
 991         }
 992         if (*q->step_size != 0)
 993         {
 994             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 995             return 0;
 996         }
 997         len = q->term->term->u.general->len;
 998         if (len >= (int ) sizeof(term))
 999             len = sizeof(term)-1;
1000         memcpy(term, q->term->term->u.general->buf, len);
1001         term[len] = '\0';
1002     }
1003     else if (q->scanClause)
1004     {
1005         strncpy(term, q->scanClause, sizeof(term)-1);
1006         term[sizeof(term)-1] = '\0';
1007     }
1008     else
1009         strcpy(term, "0");
1010
1011     for (p = term; *p; p++)
1012         if (yaz_islower(*p))
1013             *p = yaz_toupper(*p);
1014
1015     fseek(f, 0, SEEK_SET);
1016     q->num_entries = 0;
1017
1018     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
1019          i++, pos < 199 ? pos++ : (pos = 0))
1020     {
1021         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
1022         {
1023             if ((q->term_position = term_position_req) > i + 1)
1024             {
1025                 q->term_position = i + 1;
1026                 q->status = BEND_SCAN_PARTIAL;
1027             }
1028             for (; q->num_entries < q->term_position; q->num_entries++)
1029             {
1030                 int po;
1031
1032                 po = pos - q->term_position + q->num_entries+1; /* find pos */
1033                 if (po < 0)
1034                     po += 200;
1035
1036                 if (!strcmp(term, "SD") && q->num_entries == 2)
1037                 {
1038                     list[q->num_entries].term = entries[pos];
1039                     list[q->num_entries].occurrences = -1;
1040                     list[q->num_entries].errcode =
1041                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
1042                     list[q->num_entries].errstring = "SD for Scan Term";
1043                 }
1044                 else
1045                 {
1046                     list[q->num_entries].term = entries[po];
1047                     list[q->num_entries].occurrences = hits[po];
1048                 }
1049             }
1050         }
1051         else if (q->num_entries)
1052         {
1053             list[q->num_entries].term = entries[pos];
1054             list[q->num_entries].occurrences = hits[pos];
1055             q->num_entries++;
1056         }
1057         if (q->num_entries >= num_entries_req)
1058             break;
1059     }
1060     echo_extra_args(q->stream, q->extra_args, &q->extra_response_data);
1061     if (feof(f))
1062         q->status = BEND_SCAN_PARTIAL;
1063     return 0;
1064 }
1065
1066 int ztest_explain(void *handle, bend_explain_rr *rr)
1067 {
1068     if (rr->database && !strcmp(rr->database, "Default"))
1069     {
1070         rr->explain_buf = "<explain>\n"
1071             "\t<serverInfo>\n"
1072             "\t\t<host>localhost</host>\n"
1073             "\t\t<port>210</port>\n"
1074             "\t</serverInfo>\n"
1075             "</explain>\n";
1076     }
1077     return 0;
1078 }
1079
1080 int ztest_update(void *handle, bend_update_rr *rr)
1081 {
1082     rr->operation_status = "success";
1083     return 0;
1084 }
1085
1086 bend_initresult *bend_init(bend_initrequest *q)
1087 {
1088     bend_initresult *r = (bend_initresult *)
1089         odr_malloc(q->stream, sizeof(*r));
1090     struct session_handle *sh = xmalloc(sizeof(*sh));
1091
1092     sh->result_sets = 0;
1093
1094     if (!log_level_set)
1095     {
1096         log_level=yaz_log_module_level("ztest");
1097         log_level_set=1;
1098     }
1099
1100     r->errcode = 0;
1101     r->errstring = 0;
1102     r->handle = sh;                         /* tell GFS about our handle */
1103     q->bend_sort = ztest_sort;              /* register sort handler */
1104     q->bend_search = ztest_search;          /* register search handler */
1105     q->bend_present = ztest_present;        /* register present handle */
1106     q->bend_esrequest = ztest_esrequest;
1107     q->bend_delete = ztest_delete;
1108     q->bend_fetch = ztest_fetch;
1109     q->bend_scan = ztest_scan;
1110 #if 0
1111     q->bend_explain = ztest_explain;
1112 #endif
1113     q->bend_srw_scan = ztest_scan;
1114     q->bend_srw_update = ztest_update;
1115
1116     q->query_charset = "ISO-8859-1";
1117     q->records_in_same_charset = 0;
1118
1119     return r;
1120 }
1121
1122 void bend_close(void *handle)
1123 {
1124     struct session_handle *sh = (struct session_handle*) handle;
1125     remove_sets(sh);
1126     xfree(sh);              /* release our session */
1127     return;
1128 }
1129
1130 int main(int argc, char **argv)
1131 {
1132     return statserv_main(argc, argv, bend_init, bend_close);
1133 }
1134 /*
1135  * Local variables:
1136  * c-basic-offset: 4
1137  * c-file-style: "Stroustrup"
1138  * indent-tabs-mode: nil
1139  * End:
1140  * vim: shiftwidth=4 tabstop=8 expandtab
1141  */
1142