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