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