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