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, const char *facet_name) {
 232     int index;
 233     int freq = 100;
 234     int length = strlen(facet_name) + 10;
 235     char key[length];
 236     key[0] = '\0';
 237     for (index = 0; index < facet_field->num_terms; index++) {
 238         Z_Term *term;
 239         Z_FacetTerm *facet_term;
 240         sprintf(key, "%s%d", facet_name, index);
 241         yaz_log(YLOG_DEBUG, "facet add term %s %d %s", facet_name, index, key);
 242         term = term_create(odr, key);
 243         facet_term = facet_term_create(odr, term, freq);
 244         freq = freq - 10 ;
 245         facet_field_term_set(odr, facet_field, facet_term, index);
 246     }
 247 }
 248
 249 Z_OtherInformation *build_facet_response(ODR odr, Z_FacetList *facet_list) {
 250     int index, new_index = 0;
 251     Z_FacetList *new_list = facet_list_create(odr, facet_list->num);
 252
 253     for (index = 0; index < facet_list->num; index++) {
 254         struct attrvalues attrvalues;
 255         facet_struct_init(&attrvalues);
 256         attrvalues.limit = 10;
 257         facetattrs(facet_list->elements[index]->attributes, &attrvalues);
 258         yaz_log(YLOG_LOG, "Attributes: %s %d ", attrvalues.useattr, attrvalues.limit);
 259         if (attrvalues.errstring)
 260             yaz_log(YLOG_LOG, "Error parsing attributes: %s", attrvalues.errstring);
 261         if (attrvalues.limit > 0) {
 262             new_list->elements[new_index] = facet_field_create(odr, facet_list->elements[index]->attributes, attrvalues.limit);
 263             addterms(odr, new_list->elements[new_index], attrvalues.useattr);
 264             new_index++;
 265         }
 266         else {
 267             yaz_log(YLOG_DEBUG, "Facet: skipping %s due to 0 limit.", attrvalues.useattr);
 268         }
 269
 270     }
 271     new_list->num = new_index;
 272     if (new_index > 0) {
 273         Z_OtherInformation *oi = odr_malloc(odr, sizeof(*oi));
 274         Z_OtherInformationUnit *oiu = odr_malloc(odr, sizeof(*oiu));
 275         oi->num_elements = 1;
 276         oi->list = odr_malloc(odr, oi->num_elements * sizeof(*oi->list));
 277         oiu->category = 0;
 278         oiu->which = Z_OtherInfo_externallyDefinedInfo;
 279         oiu->information.externallyDefinedInfo = odr_malloc(odr, sizeof(*oiu->information.externallyDefinedInfo));
 280         oiu->information.externallyDefinedInfo->direct_reference = odr_oiddup(odr, yaz_oid_userinfo_facet_1);
 281         oiu->information.externallyDefinedInfo->which = Z_External_userFacets;
 282         oiu->information.externallyDefinedInfo->u.facetList = new_list;
 283         oi->list[0] = oiu;
 284         return oi;
 285     }
 286     return 0;
 287 }
 288
 289 int ztest_search(void *handle, bend_search_rr *rr)
 290 {
 291     struct session_handle *sh = (struct session_handle*) handle;
 292     struct result_set *new_set;
 293     const char *db, *db_sep;
 294
 295     if (rr->num_bases != 1)
 296     {
 297         rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
 298         return 0;
 299     }
 300
 301     db = rr->basenames[0];
 302
 303     /* Allow Default, db.* and Slow */
 304     if (strcmp_prefix(db, "Default"))
 305         ;  /* Default is OK in our test */
 306     else if (strcmp_prefix(db, "db"))
 307         ;  /* db.* is OK in our test */
 308     else if (check_slow(rr->basenames[0], rr->association))
 309     {
 310         rr->estimated_hit_count = 1;
 311     }
 312     else
 313     {
 314         rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 315         rr->errstring = rr->basenames[0];
 316         return 0;
 317     }
 318
 319     new_set = get_set(sh, rr->setname);
 320     if (new_set)
 321     {
 322         if (!rr->replace_set)
 323         {
 324             rr->errcode = YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF;
 325             return 0;
 326         }
 327         xfree(new_set->db);
 328     }
 329     else
 330     {
 331         new_set = xmalloc(sizeof(*new_set));
 332         new_set->next = sh->result_sets;
 333         sh->result_sets = new_set;
 334         new_set->name = xstrdup(rr->setname);
 335     }
 336     new_set->hits = 0;
 337     new_set->db = xstrdup(db);
 338     init_delay(&new_set->search_delay);
 339     init_delay(&new_set->present_delay);
 340     init_delay(&new_set->fetch_delay);
 341
 342     db_sep = strchr(db, '?');
 343     if (db_sep)
 344     {
 345         char **names;
 346         char **values;
 347         int no_parms = yaz_uri_to_array(db_sep+1, rr->stream, &names, &values);
 348         int i;
 349         for (i = 0; i < no_parms; i++)
 350         {
 351             const char *name = names[i];
 352             const char *value = values[i];
 353             if (!strcmp(name, "seed"))
 354                 srand(atoi(value));
 355             else if (!strcmp(name, "search-delay"))
 356                 parse_delay(&new_set->search_delay, value);
 357             else if (!strcmp(name, "present-delay"))
 358                 parse_delay(&new_set->present_delay, value);
 359             else if (!strcmp(name, "fetch-delay"))
 360                 parse_delay(&new_set->fetch_delay, value);
 361             else
 362             {
 363                 rr->errcode = YAZ_BIB1_SERVICE_UNSUPP_FOR_THIS_DATABASE;
 364                 rr->errstring = odr_strdup(rr->stream, name);
 365             }
 366         }
 367     }
 368
 369     if (rr->extra_args)
 370     {
 371         Z_SRW_extra_arg *a;
 372         WRBUF response_xml = wrbuf_alloc();
 373         wrbuf_puts(response_xml, "<extra>");
 374         for (a = rr->extra_args; a; a = a->next)
 375         {
 376             wrbuf_puts(response_xml, "<extra name=\"");
 377             wrbuf_xmlputs(response_xml, a->name);
 378             wrbuf_puts(response_xml, "\"");
 379             if (a->value)
 380             {
 381                 wrbuf_puts(response_xml, " value=\"");
 382                 wrbuf_xmlputs(response_xml, a->value);
 383                 wrbuf_puts(response_xml, "\"");
 384             }
 385             wrbuf_puts(response_xml, "/>");
 386         }
 387         wrbuf_puts(response_xml, "</extra>");
 388         rr->extra_response_data =
 389             odr_strdup(rr->stream, wrbuf_cstr(response_xml));
 390         wrbuf_destroy(response_xml);
 391     }
 392     rr->hits = get_hit_count(rr->query);
 393
 394     if (1)
 395     {
 396         /* TODO Not general. Only handles one (Facet) OtherInformation. Overwrite  */
 397         Z_FacetList *facet_list = extract_facet_request(rr->stream, rr->search_input);
 398
 399         if (facet_list) {
 400             yaz_log(YLOG_LOG, "%d Facets in search request.", facet_list->num);
 401             rr->search_info = build_facet_response(rr->stream, facet_list);
 402         }
 403         else
 404             yaz_log(YLOG_DEBUG, "No facets parsed search request.");
 405
 406     }
 407     do_delay(&new_set->search_delay);
 408     new_set->hits = rr->hits;
 409
 410     return 0;
 411 }
 412
 413
 414 /* this huge function handles extended services */
 415 int ztest_esrequest(void *handle, bend_esrequest_rr *rr)
 416 {
 417     /* user-defined handle - created in bend_init */
 418     int *counter = (int*) handle;
 419
 420     yaz_log(log_level, "ESRequest no %d", *counter);
 421
 422     (*counter)++;
 423
 424     if (rr->esr->packageName)
 425         yaz_log(log_level, "packagename: %s", rr->esr->packageName);
 426     yaz_log(log_level, "Waitaction: " ODR_INT_PRINTF, *rr->esr->waitAction);
 427
 428
 429     yaz_log(log_level, "function: " ODR_INT_PRINTF, *rr->esr->function);
 430
 431     if (!rr->esr->taskSpecificParameters)
 432     {
 433         yaz_log(log_level, "No task specific parameters");
 434     }
 435     else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
 436     {
 437         Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
 438         yaz_log(log_level, "Received ItemOrder");
 439         if (it->which == Z_IOItemOrder_esRequest)
 440         {
 441             Z_IORequest *ir = it->u.esRequest;
 442             Z_IOOriginPartToKeep *k = ir->toKeep;
 443             Z_IOOriginPartNotToKeep *n = ir->notToKeep;
 444             const char *xml_in_response = 0;
 445
 446             if (k && k->contact)
 447             {
 448                 if (k->contact->name)
 449                     yaz_log(log_level, "contact name %s", k->contact->name);
 450                 if (k->contact->phone)
 451                     yaz_log(log_level, "contact phone %s", k->contact->phone);
 452                 if (k->contact->email)
 453                     yaz_log(log_level, "contact email %s", k->contact->email);
 454             }
 455             if (k->addlBilling)
 456             {
 457                 yaz_log(log_level, "Billing info (not shown)");
 458             }
 459
 460             if (n->resultSetItem)
 461             {
 462                 yaz_log(log_level, "resultsetItem");
 463                 yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
 464                 yaz_log(log_level, "item: " ODR_INT_PRINTF, *n->resultSetItem->item);
 465             }
 466             if (n->itemRequest)
 467             {
 468                 Z_External *r = (Z_External*) n->itemRequest;
 469                 ILL_ItemRequest *item_req = 0;
 470                 ILL_APDU *ill_apdu = 0;
 471                 if (r->direct_reference)
 472                 {
 473                     char oid_name_str[OID_STR_MAX];
 474                     oid_class oclass;
 475                     const char *oid_name =
 476                         yaz_oid_to_string_buf(r->direct_reference,
 477                                               &oclass, oid_name_str);
 478                     if (oid_name)
 479                         yaz_log(log_level, "OID %s", oid_name);
 480                     if (!oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
 481                     {
 482                         yaz_log(log_level, "ILL XML request");
 483                         if (r->which == Z_External_octet)
 484                             yaz_log(log_level, "%.*s",
 485                                     r->u.octet_aligned->len,
 486                                     r->u.octet_aligned->buf);
 487                         xml_in_response = "<dummy>x</dummy>";
 488                     }
 489                     if (!oid_oidcmp(r->direct_reference,
 490                                     yaz_oid_general_isoill_1))
 491                     {
 492                         yaz_log(log_level, "Decode ItemRequest begin");
 493                         if (r->which == ODR_EXTERNAL_single)
 494                         {
 495                             odr_setbuf(rr->decode,
 496                                        (char *) r->u.single_ASN1_type->buf,
 497                                        r->u.single_ASN1_type->len, 0);
 498
 499                             if (!ill_ItemRequest(rr->decode, &item_req, 0, 0))
 500                             {
 501                                 yaz_log(log_level,
 502                                         "Couldn't decode ItemRequest %s near %ld",
 503                                         odr_errmsg(odr_geterror(rr->decode)),
 504                                         (long) odr_offset(rr->decode));
 505                             }
 506                             else
 507                                 yaz_log(log_level, "Decode ItemRequest OK");
 508                             if (rr->print)
 509                             {
 510                                 ill_ItemRequest(rr->print, &item_req, 0,
 511                                                 "ItemRequest");
 512                                 odr_reset(rr->print);
 513                             }
 514                         }
 515                         if (!item_req && r->which == ODR_EXTERNAL_single)
 516                         {
 517                             yaz_log(log_level, "Decode ILL APDU begin");
 518                             odr_setbuf(rr->decode,
 519                                        (char*) r->u.single_ASN1_type->buf,
 520                                        r->u.single_ASN1_type->len, 0);
 521
 522                             if (!ill_APDU(rr->decode, &ill_apdu, 0, 0))
 523                             {
 524                                 yaz_log(log_level,
 525                                         "Couldn't decode ILL APDU %s near %ld",
 526                                         odr_errmsg(odr_geterror(rr->decode)),
 527                                         (long) odr_offset(rr->decode));
 528                                 yaz_log(log_level, "PDU dump:");
 529                                 odr_dumpBER(yaz_log_file(),
 530                                             (char *) r->u.single_ASN1_type->buf,
 531                                             r->u.single_ASN1_type->len);
 532                             }
 533                             else
 534                                 yaz_log(log_level, "Decode ILL APDU OK");
 535                             if (rr->print)
 536                             {
 537                                 ill_APDU(rr->print, &ill_apdu, 0,
 538                                          "ILL APDU");
 539                                 odr_reset(rr->print);
 540                             }
 541                         }
 542                     }
 543                 }
 544                 if (item_req)
 545                 {
 546                     yaz_log(log_level, "ILL protocol version = "
 547                             ODR_INT_PRINTF,
 548                             *item_req->protocol_version_num);
 549                 }
 550             }
 551             if (k)
 552             {
 553
 554                 Z_External *ext = (Z_External *)
 555                     odr_malloc(rr->stream, sizeof(*ext));
 556                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 557                     odr_malloc(rr->stream, sizeof(*keep));
 558                 Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
 559                     odr_malloc(rr->stream, sizeof(*targetPart));
 560
 561                 rr->taskPackage = (Z_TaskPackage *)
 562                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 563                 rr->taskPackage->packageType =
 564                     odr_oiddup(rr->stream, rr->esr->packageType);
 565                 rr->taskPackage->packageName = 0;
 566                 rr->taskPackage->userId = 0;
 567                 rr->taskPackage->retentionTime = 0;
 568                 rr->taskPackage->permissions = 0;
 569                 rr->taskPackage->description = 0;
 570                 rr->taskPackage->targetReference = (Odr_oct *)
 571                     odr_malloc(rr->stream, sizeof(Odr_oct));
 572                 rr->taskPackage->targetReference->buf =
 573                     (unsigned char *) odr_strdup(rr->stream, "911");
 574                 rr->taskPackage->targetReference->len =
 575                     rr->taskPackage->targetReference->size =
 576                     strlen((char *) (rr->taskPackage->targetReference->buf));
 577                 rr->taskPackage->creationDateTime = 0;
 578                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 579                 rr->taskPackage->packageDiagnostics = 0;
 580                 rr->taskPackage->taskSpecificParameters = ext;
 581
 582                 ext->direct_reference =
 583                     odr_oiddup(rr->stream, rr->esr->packageType);
 584                 ext->indirect_reference = 0;
 585                 ext->descriptor = 0;
 586                 ext->which = Z_External_itemOrder;
 587                 ext->u.itemOrder = (Z_ItemOrder *)
 588                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 589                 ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
 590                 ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
 591                     odr_malloc(rr->stream, sizeof(Z_IOTaskPackage));
 592                 ext->u.itemOrder->u.taskPackage->originPart = k;
 593                 ext->u.itemOrder->u.taskPackage->targetPart = targetPart;
 594
 595                 if (xml_in_response)
 596                     targetPart->itemRequest =
 597                         z_ext_record_xml(rr->stream, xml_in_response,
 598                                          strlen(xml_in_response));
 599                 else
 600                     targetPart->itemRequest = 0;
 601
 602                 targetPart->statusOrErrorReport = 0;
 603                 targetPart->auxiliaryStatus = 0;
 604             }
 605         }
 606     }
 607     else if (rr->esr->taskSpecificParameters->which == Z_External_update)
 608     {
 609         Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
 610         yaz_log(log_level, "Received DB Update");
 611         if (up->which == Z_IUUpdate_esRequest)
 612         {
 613             Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
 614             Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
 615             Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
 616
 617             yaz_log(log_level, "action");
 618             if (toKeep->action)
 619             {
 620                 switch (*toKeep->action)
 621                 {
 622                 case Z_IUOriginPartToKeep_recordInsert:
 623                     yaz_log(log_level, " recordInsert");
 624                     break;
 625                 case Z_IUOriginPartToKeep_recordReplace:
 626                     yaz_log(log_level, " recordReplace");
 627                     break;
 628                 case Z_IUOriginPartToKeep_recordDelete:
 629                     yaz_log(log_level, " recordDelete");
 630                     break;
 631                 case Z_IUOriginPartToKeep_elementUpdate:
 632                     yaz_log(log_level, " elementUpdate");
 633                     break;
 634                 case Z_IUOriginPartToKeep_specialUpdate:
 635                     yaz_log(log_level, " specialUpdate");
 636                     break;
 637                 default:
 638                     yaz_log(log_level, " unknown (" ODR_INT_PRINTF ")",
 639                             *toKeep->action);
 640                 }
 641             }
 642             if (toKeep->databaseName)
 643             {
 644                 yaz_log(log_level, "database: %s", toKeep->databaseName);
 645                 if (!strcmp(toKeep->databaseName, "fault"))
 646                 {
 647                     rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 648                     rr->errstring = toKeep->databaseName;
 649                 }
 650                 if (!strcmp(toKeep->databaseName, "accept"))
 651                     rr->errcode = -1;
 652             }
 653             if (toKeep)
 654             {
 655                 Z_External *ext = (Z_External *)
 656                     odr_malloc(rr->stream, sizeof(*ext));
 657                 Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
 658                     odr_malloc(rr->stream, sizeof(*keep));
 659                 Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
 660                     odr_malloc(rr->stream, sizeof(*targetPart));
 661
 662                 rr->taskPackage = (Z_TaskPackage *)
 663                     odr_malloc(rr->stream, sizeof(*rr->taskPackage));
 664                 rr->taskPackage->packageType =
 665                     odr_oiddup(rr->stream, rr->esr->packageType);
 666                 rr->taskPackage->packageName = 0;
 667                 rr->taskPackage->userId = 0;
 668                 rr->taskPackage->retentionTime = 0;
 669                 rr->taskPackage->permissions = 0;
 670                 rr->taskPackage->description = 0;
 671                 rr->taskPackage->targetReference = (Odr_oct *)
 672                     odr_malloc(rr->stream, sizeof(Odr_oct));
 673                 rr->taskPackage->targetReference->buf =
 674                     (unsigned char *) odr_strdup(rr->stream, "123");
 675                 rr->taskPackage->targetReference->len =
 676                     rr->taskPackage->targetReference->size =
 677                     strlen((char *) (rr->taskPackage->targetReference->buf));
 678                 rr->taskPackage->creationDateTime = 0;
 679                 rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
 680                 rr->taskPackage->packageDiagnostics = 0;
 681                 rr->taskPackage->taskSpecificParameters = ext;
 682
 683                 ext->direct_reference =
 684                     odr_oiddup(rr->stream, rr->esr->packageType);
 685                 ext->indirect_reference = 0;
 686                 ext->descriptor = 0;
 687                 ext->which = Z_External_update;
 688                 ext->u.update = (Z_IUUpdate *)
 689                     odr_malloc(rr->stream, sizeof(*ext->u.update));
 690                 ext->u.update->which = Z_IUUpdate_taskPackage;
 691                 ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
 692                     odr_malloc(rr->stream, sizeof(Z_IUUpdateTaskPackage));
 693                 ext->u.update->u.taskPackage->originPart = keep;
 694                 ext->u.update->u.taskPackage->targetPart = targetPart;
 695
 696                 keep->action = odr_intdup(rr->stream, *toKeep->action);
 697                 keep->databaseName =
 698                     odr_strdup(rr->stream, toKeep->databaseName);
 699                 keep->schema = 0;
 700                 keep->elementSetName = 0;
 701                 keep->actionQualifier = 0;
 702
 703                 targetPart->updateStatus = odr_intdup(rr->stream, 1);
 704                 targetPart->num_globalDiagnostics = 0;
 705                 targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
 706                 targetPart->num_taskPackageRecords = 1;
 707                 targetPart->taskPackageRecords =
 708                     (Z_IUTaskPackageRecordStructure **)
 709                     odr_malloc(rr->stream,
 710                                sizeof(Z_IUTaskPackageRecordStructure *));
 711                 targetPart->taskPackageRecords[0] =
 712                     (Z_IUTaskPackageRecordStructure *)
 713                     odr_malloc(rr->stream,
 714                                sizeof(Z_IUTaskPackageRecordStructure));
 715
 716                 targetPart->taskPackageRecords[0]->which =
 717                     Z_IUTaskPackageRecordStructure_record;
 718                 targetPart->taskPackageRecords[0]->u.record =
 719                     z_ext_record_sutrs(rr->stream, "test", 4);
 720                 targetPart->taskPackageRecords[0]->correlationInfo = 0;
 721                 targetPart->taskPackageRecords[0]->recordStatus =
 722                     odr_intdup(rr->stream,
 723                                Z_IUTaskPackageRecordStructure_success);
 724                 targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
 725                     = 0;
 726
 727                 targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
 728             }
 729             if (notToKeep)
 730             {
 731                 int i;
 732                 for (i = 0; i < notToKeep->num; i++)
 733                 {
 734                     Z_External *rec = notToKeep->elements[i]->record;
 735
 736                     if (rec->direct_reference)
 737                     {
 738                         char oid_name_str[OID_STR_MAX];
 739                         const char *oid_name
 740                             = oid_name = yaz_oid_to_string_buf(
 741                                 rec->direct_reference, 0,
 742                                 oid_name_str);
 743                         if (oid_name)
 744                             yaz_log(log_level, "record %d type %s", i,
 745                                     oid_name);
 746                     }
 747                     switch (rec->which)
 748                     {
 749                     case Z_External_sutrs:
 750                         if (rec->u.octet_aligned->len > 170)
 751                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 752                                     rec->u.sutrs->len,
 753                                     rec->u.sutrs->buf);
 754                         else
 755                             yaz_log(log_level, "%d bytes:\n%s",
 756                                     rec->u.sutrs->len,
 757                                     rec->u.sutrs->buf);
 758                         break;
 759                     case Z_External_octet        :
 760                         if (rec->u.octet_aligned->len > 170)
 761                             yaz_log(log_level, "%d bytes:\n%.168s ...",
 762                                     rec->u.octet_aligned->len,
 763                                     rec->u.octet_aligned->buf);
 764                         else
 765                             yaz_log(log_level, "%d bytes\n%s",
 766                                     rec->u.octet_aligned->len,
 767                                     rec->u.octet_aligned->buf);
 768                     }
 769                 }
 770             }
 771         }
 772     }
 773     return 0;
 774 }
 775
 776 /* result set delete */
 777 int ztest_delete(void *handle, bend_delete_rr *rr)
 778 {
 779     if (rr->num_setnames == 1 && !strcmp(rr->setnames[0], "1"))
 780         rr->delete_status = Z_DeleteStatus_success;
 781     else
 782         rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
 783     return 0;
 784 }
 785
 786 /* Our sort handler really doesn't sort... */
 787 int ztest_sort(void *handle, bend_sort_rr *rr)
 788 {
 789     rr->errcode = 0;
 790     rr->sort_status = Z_SortResponse_success;
 791     return 0;
 792 }
 793
 794
 795 /* present request handler */
 796 int ztest_present(void *handle, bend_present_rr *rr)
 797 {
 798     struct session_handle *sh = (struct session_handle*) handle;
 799     struct result_set *set = get_set(sh, rr->setname);
 800
 801     if (!set)
 802     {
 803         rr->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 804         rr->errstring = odr_strdup(rr->stream, rr->setname);
 805         return 0;
 806     }
 807     do_delay(&set->present_delay);
 808     return 0;
 809 }
 810
 811 /* retrieval of a single record (present, and piggy back search) */
 812 int ztest_fetch(void *handle, bend_fetch_rr *r)
 813 {
 814     struct session_handle *sh = (struct session_handle*) handle;
 815     char *cp;
 816     const Odr_oid *oid = r->request_format;
 817     struct result_set *set = get_set(sh, r->setname);
 818
 819     if (!set)
 820     {
 821         r->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
 822         r->errstring = odr_strdup(r->stream, r->setname);
 823         return 0;
 824     }
 825     do_delay(&set->fetch_delay);
 826     r->last_in_set = 0;
 827     r->basename = set->db;
 828     r->output_format = r->request_format;
 829
 830     if (r->number < 1 || r->number > set->hits)
 831     {
 832         r->errcode = YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE;
 833         return 0;
 834     }
 835     if (!oid || yaz_oid_is_iso2709(oid))
 836     {
 837         cp = dummy_marc_record(r->number, r->stream);
 838         if (!cp)
 839         {
 840             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 841             r->surrogate_flag = 1;
 842             return 0;
 843         }
 844         else
 845         {
 846             r->len = strlen(cp);
 847             r->record = cp;
 848             r->output_format = odr_oiddup(r->stream, yaz_oid_recsyn_usmarc);
 849         }
 850     }
 851     else if (!oid_oidcmp(oid, yaz_oid_recsyn_opac))
 852     {
 853         cp = dummy_marc_record(r->number, r->stream);
 854         if (!cp)
 855         {
 856             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 857             r->surrogate_flag = 1;
 858             return 0;
 859         }
 860         r->record = (char *) dummy_opac(r->number, r->stream, cp);
 861         r->len = -1;
 862     }
 863     else if (!oid_oidcmp(oid, yaz_oid_recsyn_sutrs))
 864     {
 865         /* this section returns a small record */
 866         char buf[100];
 867
 868         sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);
 869
 870         r->len = strlen(buf);
 871         r->record = (char *) odr_malloc(r->stream, r->len+1);
 872         strcpy(r->record, buf);
 873     }
 874     else if (!oid_oidcmp(oid, yaz_oid_recsyn_grs_1))
 875     {
 876         r->len = -1;
 877         r->record = (char*) dummy_grs_record(r->number, r->stream);
 878         if (!r->record)
 879         {
 880             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 881             r->surrogate_flag = 1;
 882             return 0;
 883         }
 884     }
 885     else if (!oid_oidcmp(oid, yaz_oid_recsyn_postscript))
 886     {
 887         char fname[20];
 888         FILE *f;
 889         long size;
 890
 891         sprintf(fname, "part.%d.ps", r->number);
 892         f = fopen(fname, "rb");
 893         if (!f)
 894         {
 895             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 896             r->surrogate_flag = 1;
 897             return 0;
 898         }
 899         fseek(f, 0L, SEEK_END);
 900         size = ftell(f);
 901         if (size <= 0 || size >= 5000000)
 902         {
 903             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 904             r->surrogate_flag = 1;
 905         }
 906         fseek(f, 0L, SEEK_SET);
 907         r->record = (char*) odr_malloc(r->stream, size);
 908         r->len = size;
 909         if (fread(r->record, size, 1, f) != 1)
 910         {
 911             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 912             r->surrogate_flag = 1;
 913         }
 914         fclose(f);
 915     }
 916     else if (!oid_oidcmp(oid, yaz_oid_recsyn_xml))
 917     {
 918         if ((cp = dummy_xml_record(r->number, r->stream)))
 919         {
 920             r->len = strlen(cp);
 921             r->record = cp;
 922         }
 923         else
 924         {
 925             r->errcode = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
 926             r->surrogate_flag = 1;
 927             return 0;
 928         }
 929     }
 930     else
 931     {
 932         char buf[OID_STR_MAX];
 933         r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
 934         r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
 935         return 0;
 936     }
 937     r->errcode = 0;
 938     return 0;
 939 }
 940
 941 /*
 942  * silly dummy-scan what reads words from a file.
 943  */
 944 int ztest_scan(void *handle, bend_scan_rr *q)
 945 {
 946     static FILE *f = 0;
 947     static struct scan_entry list[200];
 948     static char entries[200][80];
 949     int hits[200];
 950     char term[80], *p;
 951     int i, pos;
 952     int term_position_req = q->term_position;
 953     int num_entries_req = q->num_entries;
 954
 955     /* Throw Database unavailable if other than Default or Slow */
 956     if (!yaz_matchstr(q->basenames[0], "Default"))
 957         ;  /* Default is OK in our test */
 958     else if (check_slow(q->basenames[0], 0 /* no assoc for scan */))
 959         ;
 960     else
 961     {
 962         q->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
 963         q->errstring = q->basenames[0];
 964         return 0;
 965     }
 966
 967     q->errcode = 0;
 968     q->errstring = 0;
 969     q->entries = list;
 970     q->status = BEND_SCAN_SUCCESS;
 971     if (!f && !(f = fopen("dummy-words", "r")))
 972     {
 973         perror("dummy-words");
 974         exit(1);
 975     }
 976     if (q->num_entries > 200)
 977     {
 978         q->errcode = YAZ_BIB1_RESOURCES_EXHAUSTED_NO_RESULTS_AVAILABLE;
 979         return 0;
 980     }
 981     if (q->term)
 982     {
 983         int len;
 984         if (q->term->term->which != Z_Term_general)
 985         {
 986             q->errcode = YAZ_BIB1_TERM_TYPE_UNSUPP;
 987             return 0;
 988         }
 989         if (*q->step_size != 0)
 990         {
 991             q->errcode = YAZ_BIB1_ONLY_ZERO_STEP_SIZE_SUPPORTED_FOR_SCAN;
 992             return 0;
 993         }
 994         len = q->term->term->u.general->len;
 995         if (len >= (int ) sizeof(term))
 996             len = sizeof(term)-1;
 997         memcpy(term, q->term->term->u.general->buf, len);
 998         term[len] = '\0';
 999     }
1000     else if (q->scanClause)
1001     {
1002         strncpy(term, q->scanClause, sizeof(term)-1);
1003         term[sizeof(term)-1] = '\0';
1004     }
1005     else
1006         strcpy(term, "0");
1007
1008     for (p = term; *p; p++)
1009         if (islower(*(unsigned char *) p))
1010             *p = toupper(*p);
1011
1012     fseek(f, 0, SEEK_SET);
1013     q->num_entries = 0;
1014
1015     for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
1016          i++, pos < 199 ? pos++ : (pos = 0))
1017     {
1018         if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
1019         {
1020             if ((q->term_position = term_position_req) > i + 1)
1021             {
1022                 q->term_position = i + 1;
1023                 q->status = BEND_SCAN_PARTIAL;
1024             }
1025             for (; q->num_entries < q->term_position; q->num_entries++)
1026             {
1027                 int po;
1028
1029                 po = pos - q->term_position + q->num_entries+1; /* find pos */
1030                 if (po < 0)
1031                     po += 200;
1032
1033                 if (!strcmp(term, "SD") && q->num_entries == 2)
1034                 {
1035                     list[q->num_entries].term = entries[pos];
1036                     list[q->num_entries].occurrences = -1;
1037                     list[q->num_entries].errcode =
1038                         YAZ_BIB1_SCAN_UNSUPP_VALUE_OF_POSITION_IN_RESPONSE;
1039                     list[q->num_entries].errstring = "SD for Scan Term";
1040                 }
1041                 else
1042                 {
1043                     list[q->num_entries].term = entries[po];
1044                     list[q->num_entries].occurrences = hits[po];
1045                 }
1046             }
1047         }
1048         else if (q->num_entries)
1049         {
1050             list[q->num_entries].term = entries[pos];
1051             list[q->num_entries].occurrences = hits[pos];
1052             q->num_entries++;
1053         }
1054         if (q->num_entries >= num_entries_req)
1055             break;
1056     }
1057     if (feof(f))
1058         q->status = BEND_SCAN_PARTIAL;
1059     return 0;
1060 }
1061
1062 int ztest_explain(void *handle, bend_explain_rr *rr)
1063 {
1064     if (rr->database && !strcmp(rr->database, "Default"))
1065     {
1066         rr->explain_buf = "<explain>\n"
1067             "\t<serverInfo>\n"
1068             "\t\t<host>localhost</host>\n"
1069             "\t\t<port>210</port>\n"
1070             "\t</serverInfo>\n"
1071             "</explain>\n";
1072     }
1073     return 0;
1074 }
1075
1076 int ztest_update(void *handle, bend_update_rr *rr)
1077 {
1078     rr->operation_status = "success";
1079     return 0;
1080 }
1081
1082 bend_initresult *bend_init(bend_initrequest *q)
1083 {
1084     bend_initresult *r = (bend_initresult *)
1085         odr_malloc(q->stream, sizeof(*r));
1086     struct session_handle *sh = xmalloc(sizeof(*sh));
1087
1088     sh->result_sets = 0;
1089
1090     if (!log_level_set)
1091     {
1092         log_level=yaz_log_module_level("ztest");
1093         log_level_set=1;
1094     }
1095
1096     r->errcode = 0;
1097     r->errstring = 0;
1098     r->handle = sh;                         /* tell GFS about our handle */
1099     q->bend_sort = ztest_sort;              /* register sort handler */
1100     q->bend_search = ztest_search;          /* register search handler */
1101     q->bend_present = ztest_present;        /* register present handle */
1102     q->bend_esrequest = ztest_esrequest;
1103     q->bend_delete = ztest_delete;
1104     q->bend_fetch = ztest_fetch;
1105     q->bend_scan = ztest_scan;
1106 #if 0
1107     q->bend_explain = ztest_explain;
1108 #endif
1109     q->bend_srw_scan = ztest_scan;
1110     q->bend_srw_update = ztest_update;
1111
1112     q->query_charset = "ISO-8859-1";
1113     q->records_in_same_charset = 0;
1114
1115     return r;
1116 }
1117
1118 void bend_close(void *handle)
1119 {
1120     struct session_handle *sh = (struct session_handle*) handle;
1121     remove_sets(sh);
1122     xfree(sh);              /* release our session */
1123     return;
1124 }
1125
1126 int main(int argc, char **argv)
1127 {
1128     return statserv_main(argc, argv, bend_init, bend_close);
1129 }
1130 /*
1131  * Local variables:
1132  * c-basic-offset: 4
1133  * c-file-style: "Stroustrup"
1134  * indent-tabs-mode: nil
1135  * End:
1136  * vim: shiftwidth=4 tabstop=8 expandtab
1137  */
1138