SimpleServer.xs

   1 /* This file is part of simpleserver.
   2  * Copyright (C) 2000-2013 Index Data.
   3  * All rights reserved.
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *
   7  *     * Redistributions of source code must retain the above copyright
   8  *       notice, this list of conditions and the following disclaimer.
   9  *     * Redistributions in binary form must reproduce the above copyright
  10  *       notice, this list of conditions and the following disclaimer in the
  11  *       documentation and/or other materials provided with the distribution.
  12  *     * Neither the name of Index Data nor the names of its contributors
  13  *       may be used to endorse or promote products derived from this
  14  *       software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
  20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "EXTERN.h"
  29 #include "perl.h"
  30 #include "proto.h"
  31 #include "embed.h"
  32 #include "XSUB.h"
  33 #include <assert.h>
  34 #include <yaz/backend.h>
  35 #include <yaz/facet.h>
  36 #include <yaz/log.h>
  37 #include <yaz/wrbuf.h>
  38 #include <yaz/pquery.h>
  39 #include <yaz/querytowrbuf.h>
  40 #include <stdio.h>
  41 #include <yaz/mutex.h>
  42 #include <yaz/oid_db.h>
  43 #include <yaz/yaz-version.h>
  44 #ifdef WIN32
  45 #else
  46 #include <unistd.h>
  47 #endif
  48 #include <stdlib.h>
  49 #include <ctype.h>
  50 #define GRS_MAX_FIELDS 500
  51 #ifdef ASN_COMPILED
  52 #include <yaz/ill.h>
  53 #endif
  54 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  55 #define sv_undef PL_sv_undef
  56 #endif
  57
  58 YAZ_MUTEX simpleserver_mutex;
  59
  60 typedef struct {
  61         SV *ghandle;    /* Global handle specified at creation */
  62         SV *handle;     /* Per-connection handle set at Init */
  63         NMEM nmem;
  64         int stop_flag;  /* is used to stop server prematurely .. */
  65 } Zfront_handle;
  66
  67 #define ENABLE_STOP_SERVER 0
  68
  69 SV *_global_ghandle = NULL; /* To be copied into zhandle then ignored */
  70 SV *init_ref = NULL;
  71 SV *close_ref = NULL;
  72 SV *sort_ref = NULL;
  73 SV *search_ref = NULL;
  74 SV *fetch_ref = NULL;
  75 SV *present_ref = NULL;
  76 SV *esrequest_ref = NULL;
  77 SV *delete_ref = NULL;
  78 SV *scan_ref = NULL;
  79 SV *explain_ref = NULL;
  80 SV *start_ref = NULL;
  81 PerlInterpreter *root_perl_context;
  82
  83 #define GRS_BUF_SIZE 8192
  84
  85
  86 /*
  87  * Inspects the SV indicated by svp, and returns a null pointer if
  88  * it's an undefined value, or a string allocation from `stream'
  89  * otherwise.  Using this when filling in addinfo avoids those
  90  * irritating "Use of uninitialized value in subroutine entry"
  91  * warnings from Perl.
  92  */
  93 char *string_or_undef(SV **svp, ODR stream) {
  94         STRLEN len;
  95         char *ptr;
  96
  97         if (!SvOK(*svp))
  98                 return 0;
  99
 100         ptr = SvPV(*svp, len);
 101         return odr_strdupn(stream, ptr, len);
 102 }
 103
 104
 105 CV * simpleserver_sv2cv(SV *handler) {
 106     STRLEN len;
 107     char *buf;
 108
 109     if (SvPOK(handler)) {
 110         CV *ret;
 111         buf = SvPV( handler, len);
 112         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
 113             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
 114             exit(1);
 115         }
 116
 117         return ret;
 118     } else {
 119         return (CV *) handler;
 120     }
 121 }
 122
 123 /* debugging routine to check for destruction of Perl interpreters */
 124 #ifdef USE_ITHREADS
 125 void tst_clones(void)
 126 {
 127     int i;
 128     PerlInterpreter *parent = PERL_GET_CONTEXT;
 129     for (i = 0; i<5000; i++)
 130     {
 131         PerlInterpreter *perl_interp;
 132
 133         PERL_SET_CONTEXT(parent);
 134         PL_perl_destruct_level = 2;
 135         perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
 136         PL_perl_destruct_level = 2;
 137         PERL_SET_CONTEXT(perl_interp);
 138         perl_destruct(perl_interp);
 139         perl_free(perl_interp);
 140     }
 141     exit (0);
 142 }
 143 #endif
 144
 145 int simpleserver_clone(void) {
 146 #ifdef USE_ITHREADS
 147      yaz_mutex_enter(simpleserver_mutex);
 148      if (1)
 149      {
 150          PerlInterpreter *current = PERL_GET_CONTEXT;
 151
 152          /* if current is unset, then we're in a new thread with
 153           * no Perl interpreter for it. So we must create one .
 154           * This will only happen when threaded is used..
 155           */
 156          if (!current) {
 157              PerlInterpreter *perl_interp;
 158              PERL_SET_CONTEXT( root_perl_context );
 159              perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
 160              PERL_SET_CONTEXT( perl_interp );
 161          }
 162      }
 163      yaz_mutex_leave(simpleserver_mutex);
 164 #endif
 165      return 0;
 166 }
 167
 168
 169 void simpleserver_free(void) {
 170     yaz_mutex_enter(simpleserver_mutex);
 171     if (1)
 172     {
 173         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 174
 175         /* If current Perl Interp is different from root interp, then
 176          * we're in threaded mode and we must destroy..
 177          */
 178         if (current_interp != root_perl_context) {
 179             PL_perl_destruct_level = 2;
 180             PERL_SET_CONTEXT(current_interp);
 181             perl_destruct(current_interp);
 182             perl_free(current_interp);
 183         }
 184     }
 185     yaz_mutex_leave(simpleserver_mutex);
 186 }
 187
 188
 189 Z_GenericRecord *read_grs1(char *str, ODR o)
 190 {
 191         int type, ivalue;
 192         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 193         char value[GRS_BUF_SIZE+1];
 194         Z_GenericRecord *r = 0;
 195
 196         original = str;
 197         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 198         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 199         r->num_elements = 0;
 200
 201         for (;;)
 202         {
 203                 Z_TaggedElement *t;
 204                 Z_ElementData *c;
 205                 int len;
 206
 207                 ptr = strchr(str, '\n');
 208                 if (!ptr) {
 209                         return r;
 210                 }
 211                 len = ptr - str;
 212                 if (len > GRS_BUF_SIZE) {
 213                     yaz_log(YLOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 214                     len = GRS_BUF_SIZE;
 215                 }
 216                 strncpy(line, str, len);
 217                 line[len] = 0;
 218                 buf = line;
 219                 str = ptr + 1;
 220                 while (*buf && isspace(*buf))
 221                         buf++;
 222                 if (*buf == '}') {
 223                         memmove(original, str, strlen(str));
 224                         return r;
 225                 }
 226                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 227                 {
 228                         yaz_log(YLOG_WARN, "Bad data in '%s'", buf);
 229                         return r;
 230                 }
 231                 if (!type && *value == '0')
 232                         return r;
 233                 if (!(buf = strchr(buf, ')')))
 234                         return r;
 235                 buf++;
 236                 while (*buf && isspace(*buf))
 237                         buf++;
 238                 if (r->num_elements >= GRS_MAX_FIELDS)
 239                 {
 240                         yaz_log(YLOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 241                         exit(0);
 242                 }
 243                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 244                 t->tagType = odr_intdup(o, type);
 245                 t->tagValue = (Z_StringOrNumeric *)
 246                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 247                 if ((ivalue = atoi(value)))
 248                 {
 249                         t->tagValue->which = Z_StringOrNumeric_numeric;
 250                         t->tagValue->u.numeric = odr_intdup(o, ivalue);
 251                 }
 252                 else
 253                 {
 254                         t->tagValue->which = Z_StringOrNumeric_string;
 255                         t->tagValue->u.string = odr_strdup(o, value);
 256                 }
 257                 t->tagOccurrence = 0;
 258                 t->metaData = 0;
 259                 t->appliedVariant = 0;
 260                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 261                 if (*buf == '{')
 262                 {
 263                         c->which = Z_ElementData_subtree;
 264                         c->u.subtree = read_grs1(str, o);
 265                 }
 266                 else
 267                 {
 268                         c->which = Z_ElementData_string;
 269                         c->u.string = odr_strdup(o, buf);
 270                 }
 271                 r->num_elements++;
 272         }
 273 }
 274
 275
 276
 277 static void oid2str(Odr_oid *o, WRBUF buf)
 278 {
 279     for (; *o >= 0; o++) {
 280         char ibuf[16];
 281         sprintf(ibuf, "%d", *o);
 282         wrbuf_puts(buf, ibuf);
 283         if (o[1] > 0)
 284             wrbuf_putc(buf, '.');
 285     }
 286 }
 287
 288 WRBUF oid2dotted(Odr_oid *oid)
 289 {
 290     WRBUF buf = wrbuf_alloc();
 291     oid2str(oid, buf);
 292     return buf;
 293 }
 294
 295
 296 WRBUF zquery2pquery(Z_Query *q)
 297 {
 298     WRBUF buf = wrbuf_alloc();
 299
 300     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 301         return 0;
 302     yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
 303     return buf;
 304 }
 305
 306
 307 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 308 #include <stdarg.h>
 309 void fatal(char *fmt, ...)
 310 {
 311     va_list ap;
 312
 313     fprintf(stderr, "FATAL (SimpleServer): ");
 314     va_start(ap, fmt);
 315     vfprintf(stderr, fmt, ap);
 316     va_end(ap);
 317     fprintf(stderr, "\n");
 318     abort();
 319 }
 320
 321
 322 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 323 /*
 324  * Creates a new Perl object of type `class'; the newly-created scalar
 325  * that is a reference to the blessed thingy `referent' is returned.
 326  */
 327 static SV *newObject(char *class, SV *referent)
 328 {
 329     HV *stash;
 330     SV *sv;
 331
 332     sv = newRV_noinc((SV*) referent);
 333     stash = gv_stashpv(class, 0);
 334     if (stash == 0)
 335         fatal("attempt to create object of undefined class '%s'", class);
 336     /*assert(stash != 0);*/
 337     sv_bless(sv, stash);
 338     return sv;
 339 }
 340
 341
 342 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 343 static void setMember(HV *hv, char *name, SV *val)
 344 {
 345     /* We don't increment `val's reference count -- I think this is
 346      * right because it's created with a refcount of 1, and in fact
 347      * the reference via this hash is the only reference to it in
 348      * general.
 349      */
 350     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 351         fatal("couldn't store member in hash");
 352 }
 353
 354
 355 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 356 static SV *translateOID(Odr_oid *x)
 357 {
 358     /* Yaz represents an OID by an int array terminated by a negative
 359      * value, typically -1; we represent it as a reference to a
 360      * blessed scalar string of "."-separated elements.
 361      */
 362     char buf[1000];
 363     int i;
 364
 365     *buf = '\0';
 366     for (i = 0; x[i] >= 0; i++) {
 367         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 368         if (x[i+1] >- 0)
 369             strcat(buf, ".");
 370     }
 371
 372     /*
 373      * ### We'd like to return a blessed scalar (string) here, but of
 374      *  course you can't do that in Perl: only references can be
 375      *  blessed, so we'd have to return a _reference_ to a string, and
 376      *  bless _that_.  Better to do without the blessing, I think.
 377      */
 378     if (1) {
 379         return newSVpv(buf, 0);
 380     } else {
 381         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 382     }
 383 }
 384
 385 static SV *attributes2perl(Z_AttributeList *list)
 386 {
 387     AV *av;
 388         int i;
 389         SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 390                               (SV*) (av = newAV()));
 391         for (i = 0; i < list->num_attributes; i++) {
 392             Z_AttributeElement *elem = list->attributes[i];
 393             HV *hv2;
 394             SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 395                                 (SV*) (hv2 = newHV()));
 396             if (elem->attributeSet)
 397                 setMember(hv2, "attributeSet",
 398                           translateOID(elem->attributeSet));
 399             setMember(hv2, "attributeType",
 400                       newSViv(*elem->attributeType));
 401             if (elem->which == Z_AttributeValue_numeric) {
 402                 setMember(hv2, "attributeValue",
 403                           newSViv(*elem->value.numeric));
 404             } else {
 405                 Z_ComplexAttribute *c;
 406                 Z_StringOrNumeric *son;
 407                 assert(elem->which == Z_AttributeValue_complex);
 408                 c = elem->value.complex;
 409                 /* We ignore semantic actions and multiple values */
 410                 assert(c->num_list > 0);
 411                 son = c->list[0];
 412                 if (son->which == Z_StringOrNumeric_numeric) {
 413                     setMember(hv2, "attributeValue",
 414                               newSViv(*son->u.numeric));
 415                 } else { /*Z_StringOrNumeric_string*/
 416                     setMember(hv2, "attributeValue",
 417                               newSVpv(son->u.string, 0));
 418                 }
 419             }
 420             av_push(av, tmp);
 421         }
 422         return attrs;
 423 }
 424
 425 static SV *f_Term_to_SV(Z_Term *term, Z_AttributeList *attributes)
 426 {
 427         HV *hv;
 428         SV *sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 429
 430         if (term->which != Z_Term_general)
 431                 fatal("can't handle RPN terms other than general");
 432
 433         setMember(hv, "term", newSVpv((char*) term->u.general->buf,
 434                                   term->u.general->len));
 435
 436         if (attributes) {
 437                 setMember(hv, "attributes", attributes2perl(attributes));
 438         }
 439         return sv;
 440 }
 441
 442 static SV *rpn2perl(Z_RPNStructure *s)
 443 {
 444     SV *sv;
 445     HV *hv;
 446     AV *av;
 447     Z_Operand *o;
 448
 449     switch (s->which) {
 450     case Z_RPNStructure_simple:
 451         o = s->u.simple;
 452         switch (o->which) {
 453         case Z_Operand_resultSetId: {
 454             /* This code causes a SIGBUS on my machine, and I have no
 455                idea why.  It seems as clear as day to me */
 456             SV *sv2;
 457             char *rsid = (char*) o->u.resultSetId;
 458             /*printf("Encoding resultSetId '%s'\n", rsid);*/
 459             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 460             /*printf("Made sv=0x%lx, hv=0x%lx\n", (unsigned long) sv ,(unsigned long) hv);*/
 461             sv2 = newSVpv(rsid, strlen(rsid));
 462             setMember(hv, "id", sv2);
 463             /*printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);*/
 464             return sv;
 465         }
 466
 467         case  Z_Operand_APT:
 468             return f_Term_to_SV(o->u.attributesPlusTerm->term,
 469                         o->u.attributesPlusTerm->attributes);
 470         default:
 471             fatal("unknown RPN simple type %d", (int) o->which);
 472         }
 473
 474     case Z_RPNStructure_complex: {
 475         SV *tmp;
 476         Z_Complex *c = s->u.complex;
 477         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 478         switch (c->roperator->which) {
 479         case Z_Operator_and:     type = "Net::Z3950::RPN::And";    break;
 480         case Z_Operator_or:      type = "Net::Z3950::RPN::Or";     break;
 481         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 482         case Z_Operator_prox:    fatal("proximity not yet supported");
 483         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 484         }
 485         sv = newObject(type, (SV*) (av = newAV()));
 486         if ((tmp = rpn2perl(c->s1)) == 0)
 487             return 0;
 488         av_push(av, tmp);
 489         if ((tmp = rpn2perl(c->s2)) == 0)
 490             return 0;
 491         av_push(av, tmp);
 492         return sv;
 493     }
 494
 495     default:
 496         fatal("unknown RPN node type %d", (int) s->which);
 497     }
 498
 499     return 0;
 500 }
 501
 502
 503 /* Decode the Z_SortAttributes struct and store the whole thing into the
 504  * hash by reference
 505  */
 506 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
 507 {
 508     WRBUF attrset_wr = wrbuf_alloc();
 509     AV *list = newAV();
 510     Z_AttributeList *attr_list = sattr->list;
 511     int i;
 512
 513     oid2str(sattr->id, attrset_wr);
 514     hv_store(sort_spec, "ATTRSET", 7,
 515              newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
 516     wrbuf_destroy(attrset_wr);
 517
 518     hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
 519
 520     for (i = 0; i < attr_list->num_attributes; i++)
 521     {
 522         Z_AttributeElement *attr = *attr_list->attributes++;
 523         HV *attr_spec = newHV();
 524
 525         av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
 526         hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
 527
 528         if (attr->which == Z_AttributeValue_numeric)
 529         {
 530             hv_store(attr_spec, "ATTR_VALUE", 10,
 531                      newSViv(*attr->value.numeric), 0);
 532         } else {
 533             return 0;
 534         }
 535     }
 536
 537     return 1;
 538 }
 539
 540
 541 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
 542 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
 543 {
 544     Z_SortElement *element = spec->sortElement;
 545
 546     hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
 547     hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
 548     hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
 549
 550     if (element->which == Z_SortElement_generic)
 551     {
 552         Z_SortKey *key = element->u.generic;
 553
 554         if (key->which == Z_SortKey_sortField)
 555         {
 556             hv_store(sort_spec, "SORTFIELD", 9,
 557                      newSVpv((char *) key->u.sortField, 0), 0);
 558         }
 559         else if (key->which == Z_SortKey_elementSpec)
 560         {
 561             Z_Specification *zspec = key->u.elementSpec;
 562
 563             hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
 564                      newSViv(zspec->which), 0);
 565
 566             if (zspec->which == Z_Schema_oid)
 567             {
 568                 WRBUF elementSpec = wrbuf_alloc();
 569
 570                 oid2str(zspec->schema.oid, elementSpec);
 571                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 572                          newSVpv(elementSpec->buf, elementSpec->pos), 0);
 573                 wrbuf_destroy(elementSpec);
 574             }
 575             else if (zspec->which == Z_Schema_uri)
 576             {
 577                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 578                          newSVpv((char *) zspec->schema.uri, 0), 0);
 579             }
 580         }
 581         else if (key->which == Z_SortKey_sortAttributes)
 582         {
 583             return simpleserver_ExpandSortAttributes(sort_spec,
 584                                                      key->u.sortAttributes);
 585         }
 586         else
 587         {
 588             return 0;
 589         }
 590     }
 591     else
 592     {
 593         return 0;
 594     }
 595
 596     return 1;
 597 }
 598
 599
 600 static SV *zquery2perl(Z_Query *q)
 601 {
 602     SV *sv;
 603     HV *hv;
 604
 605     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 606         return 0;
 607     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 608     if (q->u.type_1->attributeSetId)
 609         setMember(hv, "attributeSet",
 610                   translateOID(q->u.type_1->attributeSetId));
 611     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 612     return sv;
 613 }
 614
 615
 616 int bend_sort(void *handle, bend_sort_rr *rr)
 617 {
 618         HV *href;
 619         AV *aref;
 620         AV *sort_seq;
 621         SV **temp;
 622         SV *err_code;
 623         SV *err_str;
 624         SV *status;
 625         SV *point;
 626         STRLEN len;
 627         char *ptr;
 628         char *ODR_err_str;
 629         char **input_setnames;
 630         Zfront_handle *zhandle = (Zfront_handle *)handle;
 631         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 632         int i;
 633
 634         dSP;
 635         ENTER;
 636         SAVETMPS;
 637
 638         aref = newAV();
 639         input_setnames = rr->input_setnames;
 640         for (i = 0; i < rr->num_input_setnames; i++)
 641         {
 642             av_push(aref, newSVpv(*input_setnames++, 0));
 643         }
 644
 645         sort_seq = newAV();
 646         for (i = 0; i < sort_spec->num_specs; i++)
 647         {
 648             Z_SortKeySpec *spec = *sort_spec->specs++;
 649             HV *sort_spec = newHV();
 650
 651             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 652                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 653             else
 654             {
 655                 rr->errcode = 207;
 656                 return 0;
 657             }
 658         }
 659
 660         href = newHV();
 661         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 662         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 663         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 664         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 665         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 666         hv_store(href, "STATUS", 6, newSViv(0), 0);
 667         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 668         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 669
 670         PUSHMARK(sp);
 671
 672         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 673
 674         PUTBACK;
 675
 676         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 677
 678         SPAGAIN;
 679
 680         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 681         err_code = newSVsv(*temp);
 682
 683         temp = hv_fetch(href, "ERR_STR", 7, 1);
 684         err_str = newSVsv(*temp);
 685
 686         temp = hv_fetch(href, "STATUS", 6, 1);
 687         status = newSVsv(*temp);
 688
 689         temp = hv_fetch(href, "HANDLE", 6, 1);
 690         point = newSVsv(*temp);
 691
 692         hv_undef(href);
 693         av_undef(aref);
 694         av_undef(sort_seq);
 695
 696         sv_free( (SV*) aref);
 697         sv_free( (SV*) href);
 698         sv_free( (SV*) sort_seq);
 699
 700         rr->errcode = SvIV(err_code);
 701         rr->sort_status = SvIV(status);
 702
 703         ptr = SvPV(err_str, len);
 704         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 705         strcpy(ODR_err_str, ptr);
 706         rr->errstring = ODR_err_str;
 707         zhandle->handle = point;
 708
 709         sv_free(err_code);
 710         sv_free(err_str);
 711         sv_free(status);
 712
 713         PUTBACK;
 714         FREETMPS;
 715         LEAVE;
 716
 717         return 0;
 718 }
 719
 720 static SV *f_FacetField_to_SV(Z_FacetField *facet_field)
 721 {
 722         HV *hv;
 723         AV *av;
 724         SV *terms;
 725         int i;
 726         SV *sv = newObject("Net::Z3950::FacetField", (SV *) (hv = newHV()));
 727         if (facet_field->attributes) {
 728                 setMember(hv, "attributes",
 729                      attributes2perl(facet_field->attributes));
 730         }
 731         terms = newObject("Net::Z3950::FacetTerms", (SV *) (av = newAV()));
 732
 733         for (i = 0; i < facet_field->num_terms; i++) {
 734             Z_Term *z_term = facet_field->terms[i]->term;
 735             HV *hv;
 736             SV *sv_count = newSViv(*facet_field->terms[i]->count);
 737             SV *sv_term;
 738             SV *tmp;
 739             if (z_term->which == Z_Term_general) {
 740                 sv_term = newSVpv((char*) z_term->u.general->buf,
 741                                    z_term->u.general->len);
 742             } else if (z_term->which == Z_Term_characterString) {
 743                 sv_term = newSVpv(z_term->u.characterString,
 744                                   strlen(z_term->u.characterString));
 745             }
 746             tmp = newObject("Net::Z3950::FacetTerm", (SV *) (hv = newHV()));
 747
 748             setMember(hv, "count", sv_count);
 749             setMember(hv, "term", sv_term);
 750
 751             av_push(av, tmp);
 752         }
 753         setMember(hv, "terms", terms);
 754         return sv;
 755 }
 756
 757 static SV *f_FacetList_to_SV(Z_FacetList *facet_list)
 758 {
 759         SV *sv = 0;
 760         if (facet_list) {
 761                 AV *av;
 762                 int i;
 763                 sv = newObject("Net::Z3950::FacetList", (SV *) (av = newAV()));
 764
 765                 for (i = 0; i < facet_list->num; i++) {
 766                        SV *sv = f_FacetField_to_SV(facet_list->elements[i]);
 767                        av_push(av, sv);
 768                 }
 769         }
 770         return sv;
 771 }
 772
 773
 774 static void f_SV_to_FacetField(HV *facet_field_hv, Z_FacetField **fl, ODR odr)
 775 {
 776         int i;
 777         int num_terms, num_attributes;
 778         SV **temp;
 779         Z_AttributeList *attributes = odr_malloc(odr, sizeof(*attributes));
 780
 781         AV *sv_terms, *sv_attributes;
 782
 783         temp = hv_fetch(facet_field_hv, "attributes", 10, 1);
 784         sv_attributes = (AV *) SvRV(*temp);
 785         num_attributes = av_len(sv_attributes) + 1;
 786         attributes->num_attributes = num_attributes;
 787         attributes->attributes = (Z_AttributeElement **)
 788              odr_malloc(odr, sizeof(*attributes->attributes) * num_attributes);
 789
 790         for (i = 0; i < num_attributes; i++) {
 791             HV *hv_elem = (HV*) SvRV(sv_2mortal(av_shift(sv_attributes)));
 792             Z_AttributeElement *elem;
 793             elem = (Z_AttributeElement *) odr_malloc(odr, sizeof(*elem));
 794             attributes->attributes[i] = elem;
 795
 796             elem->attributeSet = 0;
 797
 798             temp = hv_fetch(hv_elem, "attributeType", 13, 1);
 799             elem->attributeType = odr_intdup(odr, SvIV(*temp));
 800
 801             temp = hv_fetch(hv_elem, "attributeValue", 14, 1);
 802
 803             if (SvIOK(*temp)) {
 804                     elem->which = Z_AttributeValue_numeric;
 805                     elem->value.numeric = odr_intdup(odr, SvIV(*temp));
 806             } else {
 807                     STRLEN s_len;
 808                     char *s_buf = SvPV(*temp, s_len);
 809                     Z_ComplexAttribute *c = odr_malloc(odr, sizeof *c);
 810                     elem->which = Z_AttributeValue_complex;
 811                     elem->value.complex = c;
 812
 813                     c->num_list = 1;
 814                     c->list = (Z_StringOrNumeric **) odr_malloc(odr,
 815                           sizeof(*c->list));
 816                     c->list[0] = (Z_StringOrNumeric *) odr_malloc(odr,
 817                           sizeof(**c->list));
 818                     c->list[0]->which = Z_StringOrNumeric_string;
 819                     c->list[0]->u.string = odr_malloc(odr, s_len + 1);
 820                     memcpy(c->list[0]->u.string, s_buf, s_len);
 821                     c->list[0]->u.string[s_len] = '\0';
 822                     c->num_semanticAction = 0;
 823                     c->semanticAction = 0;
 824             }
 825             hv_undef(hv_elem);
 826         }
 827
 828         temp = hv_fetch(facet_field_hv, "terms", 5, 1);
 829
 830         sv_terms = (AV *) SvRV(*temp);
 831         if (SvTYPE(sv_terms) == SVt_PVAV) {
 832             num_terms = av_len(sv_terms) + 1;
 833         } else {
 834             num_terms = 0;
 835         }
 836         *fl = facet_field_create(odr, attributes, num_terms);
 837         for (i = 0; i < num_terms; i++) {
 838             STRLEN s_len;
 839             char *s_buf;
 840             HV *hv_elem = (HV*) SvRV(sv_2mortal(av_shift(sv_terms)));
 841
 842             Z_FacetTerm *facet_term =
 843              (Z_FacetTerm *) odr_malloc(odr, sizeof(*facet_term));
 844             (*fl)->terms[i] = facet_term;
 845
 846             temp = hv_fetch(hv_elem, "count", 5, 1);
 847             facet_term->count = odr_intdup(odr, SvIV(*temp));
 848
 849             temp = hv_fetch(hv_elem, "term", 4, 1);
 850
 851             s_buf = SvPV(*temp, s_len);
 852             facet_term->term = z_Term_create(odr, Z_Term_general, s_buf, s_len);
 853             hv_undef(hv_elem);
 854         }
 855 }
 856
 857 static void f_SV_to_FacetList(SV *sv, Z_OtherInformation **oip, ODR odr)
 858 {
 859         AV *entries = (AV *) SvRV(sv);
 860         int num_facets;
 861         if (entries && SvTYPE(entries) == SVt_PVAV &&
 862                 (num_facets = av_len(entries) + 1) > 0)
 863         {
 864             Z_OtherInformation *oi;
 865             Z_OtherInformationUnit *oiu;
 866             Z_FacetList *facet_list = facet_list_create(odr, num_facets);
 867             int i;
 868             for (i = 0; i < num_facets; i++) {
 869                 HV *facet_field = (HV*) SvRV(sv_2mortal(av_shift(entries)));
 870                 f_SV_to_FacetField(facet_field, &facet_list->elements[i], odr);
 871                 hv_undef(facet_field);
 872             }
 873             oi = odr_malloc(odr, sizeof(*oi));
 874             oiu = odr_malloc(odr, sizeof(*oiu));
 875             oi->num_elements = 1;
 876             oi->list = odr_malloc(odr, oi->num_elements * sizeof(*oi->list));
 877             oiu->category = 0;
 878             oiu->which = Z_OtherInfo_externallyDefinedInfo;
 879             oiu->information.externallyDefinedInfo = odr_malloc(odr, sizeof(*oiu->information.externallyDefinedInfo));
 880             oiu->information.externallyDefinedInfo->direct_reference = odr_oiddup(odr, yaz_oid_userinfo_facet_1);
 881             oiu->information.externallyDefinedInfo->descriptor = 0;
 882             oiu->information.externallyDefinedInfo->indirect_reference = 0;
 883             oiu->information.externallyDefinedInfo->which = Z_External_userFacets;
 884             oiu->information.externallyDefinedInfo->u.facetList = facet_list;
 885             oi->list[0] = oiu;
 886             *oip = oi;
 887         }
 888 }
 889
 890 int bend_search(void *handle, bend_search_rr *rr)
 891 {
 892         HV *href;
 893         AV *aref;
 894         SV **temp;
 895         int i;
 896         char **basenames;
 897         WRBUF query;
 898         SV *point;
 899         Zfront_handle *zhandle = (Zfront_handle *)handle;
 900         CV* handler_cv = 0;
 901         SV *rpnSV;
 902         SV *facetSV;
 903
 904         dSP;
 905         ENTER;
 906         SAVETMPS;
 907
 908         aref = newAV();
 909         basenames = rr->basenames;
 910         for (i = 0; i < rr->num_bases; i++)
 911         {
 912                 av_push(aref, newSVpv(*basenames++, 0));
 913         }
 914 #if ENABLE_STOP_SERVER
 915         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 916         {
 917                 zhandle->stop_flag = 1;
 918         }
 919 #endif
 920         href = newHV();
 921         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 922         if (rr->srw_sortKeys && *rr->srw_sortKeys)
 923             hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
 924         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 925         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 926         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 927         hv_store(href, "HITS", 4, newSViv(0), 0);
 928         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 929         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 930         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 931         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 932         hv_store(href, "PRESENT_NUMBER", 14, newSViv(rr->present_number), 0);
 933         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 934             hv_store(href, "RPN", 3, rpnSV, 0);
 935         }
 936         facetSV = f_FacetList_to_SV(yaz_oi_get_facetlist(&rr->search_input));
 937         if (facetSV) {
 938             hv_store(href, "INPUTFACETS", 11, facetSV, 0);
 939         }
 940
 941         query = zquery2pquery(rr->query);
 942         if (query)
 943         {
 944                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 945         }
 946         else if (rr->query->which == Z_Query_type_104 &&
 947                  rr->query->u.type_104->which == Z_External_CQL) {
 948             hv_store(href, "CQL", 3,
 949                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 950         }
 951         else
 952         {
 953                 rr->errcode = 108;
 954                 return 0;
 955         }
 956         PUSHMARK(sp);
 957
 958         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 959
 960         PUTBACK;
 961
 962         handler_cv = simpleserver_sv2cv( search_ref );
 963         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 964
 965         SPAGAIN;
 966
 967         temp = hv_fetch(href, "HITS", 4, 1);
 968         rr->hits = SvIV(*temp);
 969
 970         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 971         rr->errcode = SvIV(*temp);
 972
 973         temp = hv_fetch(href, "ERR_STR", 7, 1);
 974         rr->errstring = string_or_undef(temp, rr->stream);
 975
 976         temp = hv_fetch(href, "HANDLE", 6, 1);
 977         point = newSVsv(*temp);
 978
 979         temp = hv_fetch(href, "OUTPUTFACETS", 12, 1);
 980         if (SvTYPE(*temp) != SVt_NULL)
 981             f_SV_to_FacetList(*temp, &rr->search_info, rr->stream);
 982
 983         hv_undef(href);
 984         av_undef(aref);
 985
 986         zhandle->handle = point;
 987         sv_free( (SV*) aref);
 988         sv_free( (SV*) href);
 989         if (query)
 990             wrbuf_destroy(query);
 991         PUTBACK;
 992         FREETMPS;
 993         LEAVE;
 994         return 0;
 995 }
 996
 997
 998 /* ### I am not 100% about the memory management in this handler */
 999 int bend_delete(void *handle, bend_delete_rr *rr)
1000 {
1001         Zfront_handle *zhandle = (Zfront_handle *)handle;
1002         HV *href;
1003         CV* handler_cv;
1004         int i;
1005         SV **temp;
1006         SV *point;
1007
1008         dSP;
1009         ENTER;
1010         SAVETMPS;
1011
1012         href = newHV();
1013         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1014         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1015         hv_store(href, "STATUS", 6, newSViv(0), 0);
1016
1017         PUSHMARK(sp);
1018         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1019         PUTBACK;
1020
1021         handler_cv = simpleserver_sv2cv(delete_ref);
1022
1023         if (rr->function == 1) {
1024             /* Delete all result sets in the session */
1025             perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1026             temp = hv_fetch(href, "STATUS", 6, 1);
1027             rr->delete_status = SvIV(*temp);
1028         } else {
1029             rr->delete_status = 0;
1030             /*
1031              * For some reason, deleting two or more result-sets in
1032              * one operation goes horribly wrong, and ### I don't have
1033              * time to debug it right now.
1034              */
1035             if (rr->num_setnames > 1) {
1036                 rr->delete_status = 3; /* "System problem at target" */
1037                 /* There's no way to sent delete-msg using the GFS */
1038                 return 0;
1039             }
1040
1041             for (i = 0; i < rr->num_setnames; i++) {
1042                 hv_store(href, "SETNAME", 7, newSVpv(rr->setnames[i], 0), 0);
1043                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1044                 temp = hv_fetch(href, "STATUS", 6, 1);
1045                 rr->statuses[i] = SvIV(*temp);
1046                 if (rr->statuses[i] != 0)
1047                     rr->delete_status = rr->statuses[i];
1048             }
1049         }
1050
1051         SPAGAIN;
1052
1053         temp = hv_fetch(href, "HANDLE", 6, 1);
1054         point = newSVsv(*temp);
1055
1056         hv_undef(href);
1057
1058         zhandle->handle = point;
1059
1060         sv_free( (SV*) href);
1061
1062         PUTBACK;
1063         FREETMPS;
1064         LEAVE;
1065
1066         return 0;
1067 }
1068
1069
1070 int bend_fetch(void *handle, bend_fetch_rr *rr)
1071 {
1072         HV *href;
1073         SV **temp;
1074         SV *basename;
1075         SV *record;
1076         SV *last;
1077         SV *err_code;
1078         SV *err_string;
1079         SV *sur_flag;
1080         SV *point;
1081         SV *rep_form;
1082         SV *schema = 0;
1083         char *ptr;
1084         char *ODR_record;
1085         char *ODR_basename;
1086         char *ODR_errstr;
1087         WRBUF oid_dotted;
1088         Zfront_handle *zhandle = (Zfront_handle *)handle;
1089         CV* handler_cv = 0;
1090
1091         Z_RecordComposition *composition;
1092         Z_ElementSetNames *simple;
1093         Z_CompSpec *complex;
1094         STRLEN length;
1095
1096         dSP;
1097         ENTER;
1098         SAVETMPS;
1099
1100         rr->errcode = 0;
1101         href = newHV();
1102         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1103         if (rr->schema)
1104                 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
1105         else
1106                 hv_store(href, "SCHEMA", 6, newSVpv("", 0), 0);
1107
1108         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
1109         if (rr->request_format != 0) {
1110             oid_dotted = oid2dotted(rr->request_format);
1111         } else {
1112             /* Probably an SRU request: assume XML is required */
1113             oid_dotted = wrbuf_alloc();
1114             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
1115         }
1116         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
1117         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
1118         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
1119         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
1120         hv_store(href, "LAST", 4, newSViv(0), 0);
1121         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1122         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1123         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
1124         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1125         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1126         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1127         if (rr->comp)
1128         {
1129                 composition = rr->comp;
1130                 if (composition->which == Z_RecordComp_simple)
1131                 {
1132                         simple = composition->u.simple;
1133                         if (simple->which == Z_ElementSetNames_generic)
1134                         {
1135                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1136                         }
1137                         else
1138                         {
1139                                 rr->errcode = 26;
1140                                 rr->errstring = odr_strdup(rr->stream, "non-generic 'simple' composition");
1141                                 return 0;
1142                         }
1143                 }
1144                 else if (composition->which == Z_RecordComp_complex)
1145                 {
1146                         if (composition->u.complex->generic &&
1147
1148                                         composition->u.complex->generic &&
1149                                         composition->u.complex->generic->elementSpec &&
1150                                         composition->u.complex->generic->elementSpec->which ==
1151                                         Z_ElementSpec_elementSetName)
1152                         {
1153                                 complex = composition->u.complex;
1154                                 hv_store(href, "COMP", 4,
1155                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1156                         }
1157                         else
1158                         {
1159 #if 0   /* For now ignore this error, which is ubiquitous in SRU */
1160                                 rr->errcode = 26;
1161                                 rr->errstring = odr_strdup(rr->stream, "'complex' composition is not generic ESN");
1162                                 return 0;
1163 #endif /*0*/
1164                         }
1165                 }
1166                 else
1167                 {
1168                         rr->errcode = 26;
1169                         rr->errstring = odr_strdup(rr->stream, "composition neither simple nor complex");
1170                         return 0;
1171                 }
1172         }
1173
1174         PUSHMARK(sp);
1175
1176         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1177
1178         PUTBACK;
1179
1180         handler_cv = simpleserver_sv2cv( fetch_ref );
1181         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1182
1183         SPAGAIN;
1184
1185         temp = hv_fetch(href, "BASENAME", 8, 1);
1186         basename = newSVsv(*temp);
1187
1188         temp = hv_fetch(href, "RECORD", 6, 1);
1189         record = newSVsv(*temp);
1190
1191         temp = hv_fetch(href, "LAST", 4, 1);
1192         last = newSVsv(*temp);
1193
1194         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1195         err_code = newSVsv(*temp);
1196
1197         temp = hv_fetch(href, "ERR_STR", 7, 1),
1198         err_string = newSVsv(*temp);
1199
1200         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
1201         sur_flag = newSVsv(*temp);
1202
1203         temp = hv_fetch(href, "REP_FORM", 8, 1);
1204         rep_form = newSVsv(*temp);
1205
1206         temp = hv_fetch(href, "SCHEMA", 6, 1);
1207         if (temp != 0) {
1208                 schema = newSVsv(*temp);
1209                 ptr = SvPV(schema, length);
1210                 if (length > 0) {
1211                         rr->schema = (char *)odr_malloc(rr->stream, length + 1);
1212                         strcpy(rr->schema, ptr);
1213                 }
1214         }
1215
1216         temp = hv_fetch(href, "HANDLE", 6, 1);
1217         point = newSVsv(*temp);
1218
1219
1220         hv_undef(href);
1221
1222         ptr = SvPV(basename, length);
1223         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
1224         strcpy(ODR_basename, ptr);
1225         rr->basename = ODR_basename;
1226
1227         ptr = SvPV(rep_form, length);
1228
1229         rr->output_format = yaz_string_to_oid_odr(yaz_oid_std(),
1230                                         CLASS_RECSYN, ptr, rr->stream);
1231         if (!rr->output_format)
1232         {
1233                 printf("Net::Z3950::SimpleServer: WARNING: Bad OID %s\n", ptr);
1234                 rr->output_format =
1235                         odr_oiddup(rr->stream, yaz_oid_recsyn_sutrs);
1236         }
1237         ptr = SvPV(record, length);
1238         /* Treat GRS-1 records separately */
1239         if (!oid_oidcmp(rr->output_format, yaz_oid_recsyn_grs_1))
1240         {
1241                 rr->record = (char *) read_grs1(ptr, rr->stream);
1242                 rr->len = -1;
1243         }
1244         else
1245         {
1246                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
1247                 strcpy(ODR_record, ptr);
1248                 rr->record = ODR_record;
1249                 rr->len = length;
1250         }
1251         zhandle->handle = point;
1252         handle = zhandle;
1253         rr->last_in_set = SvIV(last);
1254
1255         if (!(rr->errcode))
1256         {
1257                 rr->errcode = SvIV(err_code);
1258                 ptr = SvPV(err_string, length);
1259                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
1260                 strcpy(ODR_errstr, ptr);
1261                 rr->errstring = ODR_errstr;
1262         }
1263         rr->surrogate_flag = SvIV(sur_flag);
1264
1265         wrbuf_destroy(oid_dotted);
1266         sv_free((SV*) href);
1267         sv_free(basename);
1268         sv_free(record);
1269         sv_free(last);
1270         sv_free(err_string);
1271         sv_free(err_code),
1272         sv_free(sur_flag);
1273         sv_free(rep_form);
1274
1275         if (schema)
1276                 sv_free(schema);
1277
1278         PUTBACK;
1279         FREETMPS;
1280         LEAVE;
1281
1282         return 0;
1283 }
1284
1285
1286 int bend_present(void *handle, bend_present_rr *rr)
1287 {
1288         HV *href;
1289         SV **temp;
1290         SV *err_code;
1291         SV *err_string;
1292         SV *point;
1293         STRLEN len;
1294         Z_RecordComposition *composition;
1295         Z_ElementSetNames *simple;
1296         Z_CompSpec *complex;
1297         char *ODR_errstr;
1298         char *ptr;
1299         Zfront_handle *zhandle = (Zfront_handle *)handle;
1300         CV* handler_cv = 0;
1301
1302 /*      WRBUF oid_dotted; */
1303
1304         dSP;
1305         ENTER;
1306         SAVETMPS;
1307
1308         href = newHV();
1309         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1310         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1311         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1312         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1313         hv_store(href, "START", 5, newSViv(rr->start), 0);
1314         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1315         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1316         /*oid_dotted = oid2dotted(rr->request_format_raw);
1317         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1318         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1319         if (rr->comp)
1320         {
1321                 composition = rr->comp;
1322                 if (composition->which == Z_RecordComp_simple)
1323                 {
1324                         simple = composition->u.simple;
1325                         if (simple->which == Z_ElementSetNames_generic)
1326                         {
1327                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1328                         }
1329                         else
1330                         {
1331                                 rr->errcode = 26;
1332                                 rr->errstring = odr_strdup(rr->stream, "non-generic 'simple' composition");
1333                                 return 0;
1334                         }
1335                 }
1336                 else if (composition->which == Z_RecordComp_complex)
1337                 {
1338                         if (composition->u.complex->generic &&
1339
1340                                         composition->u.complex->generic &&
1341                                         composition->u.complex->generic->elementSpec &&
1342                                         composition->u.complex->generic->elementSpec->which ==
1343                                         Z_ElementSpec_elementSetName)
1344                         {
1345                                 complex = composition->u.complex;
1346                                 hv_store(href, "COMP", 4,
1347                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1348                         }
1349                         else
1350                         {
1351                                 rr->errcode = 26;
1352                                 rr->errstring = odr_strdup(rr->stream, "'complex' composition is not generic ESN");
1353                                 return 0;
1354                         }
1355                 }
1356                 else
1357                 {
1358                         rr->errcode = 26;
1359                         rr->errstring = odr_strdup(rr->stream, "composition neither simple nor complex");
1360                         return 0;
1361                 }
1362         }
1363
1364         PUSHMARK(sp);
1365
1366         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1367
1368         PUTBACK;
1369
1370         handler_cv = simpleserver_sv2cv( present_ref );
1371         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1372
1373         SPAGAIN;
1374
1375         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1376         err_code = newSVsv(*temp);
1377
1378         temp = hv_fetch(href, "ERR_STR", 7, 1);
1379         err_string = newSVsv(*temp);
1380
1381         temp = hv_fetch(href, "HANDLE", 6, 1);
1382         point = newSVsv(*temp);
1383
1384         PUTBACK;
1385         FREETMPS;
1386         LEAVE;
1387
1388         hv_undef(href);
1389         rr->errcode = SvIV(err_code);
1390
1391         ptr = SvPV(err_string, len);
1392         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1393         strcpy(ODR_errstr, ptr);
1394         rr->errstring = ODR_errstr;
1395 /*      wrbuf_free(oid_dotted, 1);*/
1396         zhandle->handle = point;
1397         handle = zhandle;
1398         sv_free(err_code);
1399         sv_free(err_string);
1400         sv_free( (SV*) href);
1401
1402         return 0;
1403 }
1404
1405
1406 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1407 {
1408         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1409         return 0;
1410 }
1411
1412
1413 int bend_scan(void *handle, bend_scan_rr *rr)
1414 {
1415         HV *href;
1416         AV *aref;
1417         AV *list;
1418         AV *entries;
1419         HV *scan_item;
1420         struct scan_entry *scan_list;
1421         struct scan_entry *buffer;
1422         int *step_size = rr->step_size;
1423         int scan_list_size = rr->num_entries;
1424         int i;
1425         char **basenames;
1426         SV **temp;
1427         SV *err_code = sv_newmortal();
1428         SV *err_str = sv_newmortal();
1429         SV *point = sv_newmortal();
1430         SV *status = sv_newmortal();
1431         SV *number = sv_newmortal();
1432         char *ptr;
1433         char *ODR_errstr;
1434         STRLEN len;
1435         int term_len;
1436         SV *entries_ref;
1437         Zfront_handle *zhandle = (Zfront_handle *)handle;
1438         CV* handler_cv = 0;
1439         SV *rpnSV;
1440
1441         dSP;
1442         ENTER;
1443         SAVETMPS;
1444         href = newHV();
1445         list = newAV();
1446
1447         /* RPN is better than TERM since it includes attributes */
1448         if ((rpnSV = f_Term_to_SV(rr->term->term, rr->term->attributes)) != 0) {
1449             setMember(href, "RPN", rpnSV);
1450         }
1451
1452         if (rr->term->term->which == Z_Term_general)
1453         {
1454                 term_len = rr->term->term->u.general->len;
1455                 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1456         } else {
1457                 rr->errcode = 229;      /* Unsupported term type */
1458                 return 0;
1459         }
1460         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1461         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1462         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1463         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1464         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1465         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1466         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1467         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1468         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1469         aref = newAV();
1470         basenames = rr->basenames;
1471         for (i = 0; i < rr->num_bases; i++)
1472         {
1473                 av_push(aref, newSVpv(*basenames++, 0));
1474         }
1475         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1476
1477         PUSHMARK(sp);
1478
1479         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1480
1481         PUTBACK;
1482
1483         handler_cv = simpleserver_sv2cv( scan_ref );
1484         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1485
1486         SPAGAIN;
1487
1488         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1489         err_code = newSVsv(*temp);
1490
1491         temp = hv_fetch(href, "ERR_STR", 7, 1);
1492         err_str = newSVsv(*temp);
1493
1494         temp = hv_fetch(href, "HANDLE", 6, 1);
1495         point = newSVsv(*temp);
1496
1497         temp = hv_fetch(href, "STATUS", 6, 1);
1498         status = newSVsv(*temp);
1499
1500         temp = hv_fetch(href, "NUMBER", 6, 1);
1501         number = newSVsv(*temp);
1502
1503         temp = hv_fetch(href, "ENTRIES", 7, 1);
1504         entries_ref = newSVsv(*temp);
1505
1506         PUTBACK;
1507         FREETMPS;
1508         LEAVE;
1509
1510         ptr = SvPV(err_str, len);
1511         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1512         strcpy(ODR_errstr, ptr);
1513         rr->errstring = ODR_errstr;
1514         rr->errcode = SvIV(err_code);
1515         rr->num_entries = SvIV(number);
1516         rr->status = SvIV(status);
1517         if (yaz_version(NULL, NULL) >= 0x4022c && rr->num_entries <= scan_list_size) {
1518                 /* entries has been initialized by yaz and is big enough to hold all entries */
1519                 scan_list = rr->entries;
1520         } else {
1521         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1522         }
1523         buffer = scan_list;
1524         entries = (AV *)SvRV(entries_ref);
1525         if (rr->errcode == 0) for (i = 0; i < rr->num_entries; i++)
1526         {
1527                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1528                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1529                 ptr = SvPV(*temp, len);
1530                 buffer->term = odr_strdupn(rr->stream, ptr, len);
1531                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1532                 buffer->occurrences = SvIV(*temp);
1533                 if (hv_exists(scan_item, "DISPLAY_TERM", 12))
1534                 {
1535                         temp = hv_fetch(scan_item, "DISPLAY_TERM", 12, 1);
1536                         ptr = SvPV(*temp, len);
1537                         buffer->display_term = odr_strdupn(rr->stream, ptr,len);
1538                 }
1539                 buffer++;
1540                 hv_undef(scan_item);
1541         }
1542         rr->entries = scan_list;
1543         zhandle->handle = point;
1544         handle = zhandle;
1545         sv_free(err_code);
1546         sv_free(err_str);
1547         sv_free(status);
1548         sv_free(number);
1549         hv_undef(href);
1550         sv_free((SV *)href);
1551         av_undef(aref);
1552         sv_free((SV *)aref);
1553         av_undef(list);
1554         sv_free((SV *)list);
1555         av_undef(entries);
1556         /*sv_free((SV *)entries);*/
1557         sv_free(entries_ref);
1558
1559         return 0;
1560 }
1561
1562 int bend_explain(void *handle, bend_explain_rr *q)
1563 {
1564         HV *href;
1565         CV *handler_cv = 0;
1566         SV **temp;
1567         char *explain;
1568         SV *explainsv;
1569         STRLEN len;
1570         Zfront_handle *zhandle = (Zfront_handle *)handle;
1571
1572         dSP;
1573         ENTER;
1574         SAVETMPS;
1575
1576         href = newHV();
1577         hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1578         hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1579         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1580         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1581
1582         PUSHMARK(sp);
1583         XPUSHs(sv_2mortal(newRV((SV*) href)));
1584         PUTBACK;
1585
1586         handler_cv = simpleserver_sv2cv(explain_ref);
1587         perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1588
1589         SPAGAIN;
1590
1591         temp = hv_fetch(href, "EXPLAIN", 7, 1);
1592         explainsv = newSVsv(*temp);
1593
1594         PUTBACK;
1595         FREETMPS;
1596         LEAVE;
1597
1598         explain = SvPV(explainsv, len);
1599         q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1600         strcpy(q->explain_buf, explain);
1601
1602         return 0;
1603 }
1604
1605
1606 /*
1607  * You'll laugh when I tell you this ...  Astonishingly, it turns out
1608  * that ActivePerl (which is widely used on Windows) has, in the
1609  * header file Perl\lib\CORE\XSUB.h, the following heinous crime:
1610  *          #    define open            PerlLIO_open
1611  * This of course screws up the use of the "open" member of the
1612  * Z_IdAuthentication structure below, so we have to undo this
1613  * brain-damage.
1614  */
1615 #ifdef open
1616 #undef open
1617 #endif
1618
1619
1620 bend_initresult *bend_init(bend_initrequest *q)
1621 {
1622         int dummy = simpleserver_clone();
1623         bend_initresult *r = (bend_initresult *)
1624                 odr_malloc (q->stream, sizeof(*r));
1625         char *ptr;
1626         CV* handler_cv = 0;
1627         dSP;
1628         STRLEN len;
1629         NMEM nmem = nmem_create();
1630         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1631                         sizeof(*zhandle));
1632         SV *handle;
1633         HV *href;
1634         SV **temp;
1635
1636         ENTER;
1637         SAVETMPS;
1638
1639         zhandle->ghandle = _global_ghandle;
1640         zhandle->nmem = nmem;
1641         zhandle->stop_flag = 0;
1642
1643         if (sort_ref)
1644         {
1645             q->bend_sort = bend_sort;
1646         }
1647         if (search_ref)
1648         {
1649                 q->bend_search = bend_search;
1650         }
1651         if (present_ref)
1652         {
1653                 q->bend_present = bend_present;
1654         }
1655         /*q->bend_esrequest = bend_esrequest;*/
1656         if (delete_ref) {
1657                 q->bend_delete = bend_delete;
1658         }
1659         if (fetch_ref)
1660         {
1661                 q->bend_fetch = bend_fetch;
1662         }
1663         if (scan_ref)
1664         {
1665                 q->bend_scan = bend_scan;
1666         }
1667         if (explain_ref)
1668         {
1669                 q->bend_explain = bend_explain;
1670         }
1671
1672         href = newHV();
1673
1674         /* ### These should be given initial values from the client */
1675         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1676         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1677         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1678
1679         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1680         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1681         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1682         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1683         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1684         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1685         if (q->auth) {
1686             char *user = NULL;
1687             char *passwd = NULL;
1688             if (q->auth->which == Z_IdAuthentication_open) {
1689                 char *cp;
1690                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1691                 cp = strchr (user, '/');
1692                 if (cp) {
1693                     /* password after / given */
1694                     *cp = '\0';
1695                     passwd = cp+1;
1696                 }
1697             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1698                 user = q->auth->u.idPass->userId;
1699                 passwd = q->auth->u.idPass->password;
1700             }
1701             /* ### some code paths have user/password unassigned here */
1702             if (user)
1703                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1704             if (passwd)
1705                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1706         }
1707
1708         PUSHMARK(sp);
1709
1710         XPUSHs(sv_2mortal(newRV((SV*) href)));
1711
1712         PUTBACK;
1713
1714         if (init_ref != NULL)
1715         {
1716              handler_cv = simpleserver_sv2cv( init_ref );
1717              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1718         }
1719
1720         SPAGAIN;
1721
1722         temp = hv_fetch(href, "IMP_ID", 6, 1);
1723         ptr = SvPV(*temp, len);
1724         q->implementation_id = nmem_strdup(nmem, ptr);
1725
1726         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1727         ptr = SvPV(*temp, len);
1728         q->implementation_name = nmem_strdup(nmem, ptr);
1729
1730         temp = hv_fetch(href, "IMP_VER", 7, 1);
1731         ptr = SvPV(*temp, len);
1732         q->implementation_version = nmem_strdup(nmem, ptr);
1733
1734         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1735         r->errcode = SvIV(*temp);
1736
1737         temp = hv_fetch(href, "ERR_STR", 7, 1);
1738         ptr = SvPV(*temp, len);
1739         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1740         strcpy(r->errstring, ptr);
1741
1742         temp = hv_fetch(href, "HANDLE", 6, 1);
1743         handle= newSVsv(*temp);
1744         zhandle->handle = handle;
1745
1746         r->handle = zhandle;
1747
1748         hv_undef(href);
1749         sv_free((SV*) href);
1750
1751         PUTBACK;
1752         FREETMPS;
1753         LEAVE;
1754
1755         return r;
1756 }
1757
1758 void bend_close(void *handle)
1759 {
1760         HV *href;
1761         Zfront_handle *zhandle = (Zfront_handle *)handle;
1762         CV* handler_cv = 0;
1763         int stop_flag = 0;
1764         dSP;
1765         ENTER;
1766         SAVETMPS;
1767
1768         if (close_ref)
1769         {
1770                 href = newHV();
1771                 hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1772                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1773
1774                 PUSHMARK(sp);
1775
1776                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1777
1778                 PUTBACK;
1779
1780                 handler_cv = simpleserver_sv2cv( close_ref );
1781                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1782
1783                 SPAGAIN;
1784
1785                 sv_free((SV*) href);
1786         }
1787         else
1788                 sv_free(zhandle->handle);
1789         PUTBACK;
1790         FREETMPS;
1791         LEAVE;
1792         stop_flag = zhandle->stop_flag;
1793         nmem_destroy(zhandle->nmem);
1794         simpleserver_free();
1795
1796         if (stop_flag)
1797                 exit(0);
1798         return;
1799 }
1800
1801 static void start_stop(struct statserv_options_block *sob, SV *handler_ref)
1802 {
1803         HV *href;
1804         dSP;
1805         ENTER;
1806         SAVETMPS;
1807
1808         href = newHV();
1809         hv_store(href, "CONFIG", 6, newSVpv(sob->configname, 0), 0);
1810
1811         PUSHMARK(sp);
1812
1813         XPUSHs(sv_2mortal(newRV((SV*) href)));
1814
1815         PUTBACK;
1816
1817         if (handler_ref != NULL)
1818         {
1819                 CV* handler_cv = simpleserver_sv2cv( handler_ref );
1820                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1821         }
1822
1823         SPAGAIN;
1824
1825         PUTBACK;
1826         FREETMPS;
1827         LEAVE;
1828
1829
1830 }
1831
1832 void bend_start(struct statserv_options_block *sob)
1833 {
1834         start_stop(sob, start_ref);
1835 }
1836
1837 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1838
1839 PROTOTYPES: DISABLE
1840
1841
1842 void
1843 set_ghandle(arg)
1844                 SV *arg
1845         CODE:
1846                 _global_ghandle = newSVsv(arg);
1847
1848
1849 void
1850 set_init_handler(arg)
1851                 SV *arg
1852         CODE:
1853                 init_ref = newSVsv(arg);
1854
1855
1856 void
1857 set_close_handler(arg)
1858                 SV *arg
1859         CODE:
1860                 close_ref = newSVsv(arg);
1861
1862
1863 void
1864 set_sort_handler(arg)
1865                 SV *arg
1866         CODE:
1867                 sort_ref = newSVsv(arg);
1868
1869 void
1870 set_search_handler(arg)
1871                 SV *arg
1872         CODE:
1873                 search_ref = newSVsv(arg);
1874
1875
1876 void
1877 set_fetch_handler(arg)
1878                 SV *arg
1879         CODE:
1880                 fetch_ref = newSVsv(arg);
1881
1882
1883 void
1884 set_present_handler(arg)
1885                 SV *arg
1886         CODE:
1887                 present_ref = newSVsv(arg);
1888
1889
1890 void
1891 set_esrequest_handler(arg)
1892                 SV *arg
1893         CODE:
1894                 esrequest_ref = newSVsv(arg);
1895
1896
1897 void
1898 set_delete_handler(arg)
1899                 SV *arg
1900         CODE:
1901                 delete_ref = newSVsv(arg);
1902
1903
1904 void
1905 set_scan_handler(arg)
1906                 SV *arg
1907         CODE:
1908                 scan_ref = newSVsv(arg);
1909
1910 void
1911 set_explain_handler(arg)
1912                 SV *arg
1913         CODE:
1914                 explain_ref = newSVsv(arg);
1915
1916 void
1917 set_start_handler(arg)
1918                 SV *arg
1919         CODE:
1920                 start_ref = newSVsv(arg);
1921
1922 int
1923 start_server(...)
1924         PREINIT:
1925                 char **argv;
1926                 char **argv_buf;
1927                 char *ptr;
1928                 int i;
1929                 STRLEN len;
1930                 struct statserv_options_block *sob;
1931         CODE:
1932                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1933                 argv = argv_buf;
1934                 for (i = 0; i < items; i++)
1935                 {
1936                         ptr = SvPV(ST(i), len);
1937                         *argv_buf = (char *)xmalloc(len + 1);
1938                         strcpy(*argv_buf++, ptr);
1939                 }
1940                 *argv_buf = NULL;
1941
1942                 sob = statserv_getcontrol();
1943                 sob->bend_start = bend_start;
1944                 statserv_setcontrol(sob);
1945
1946                 root_perl_context = PERL_GET_CONTEXT;
1947                 yaz_mutex_create(&simpleserver_mutex);
1948 #if 0
1949                 /* only for debugging perl_clone .. */
1950                 tst_clones();
1951 #endif
1952
1953                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1954         OUTPUT:
1955                 RETVAL
1956
1957
1958 int
1959 ScanSuccess()
1960         CODE:
1961                 RETVAL = BEND_SCAN_SUCCESS;
1962         OUTPUT:
1963                 RETVAL
1964
1965 int
1966 ScanPartial()
1967         CODE:
1968                 RETVAL = BEND_SCAN_PARTIAL;
1969         OUTPUT:
1970                 RETVAL
1971
1972
1973 void
1974 yazlog(arg)
1975                 SV *arg
1976         CODE:
1977                 STRLEN len;
1978                 char *ptr;
1979                 ptr = SvPV(arg, len);
1980                 yaz_log(YLOG_LOG, "%.*s", (int) len, ptr);
1981
1982 int
1983 yaz_diag_srw_to_bib1(srw_code)
1984         int srw_code
1985
1986 int
1987 yaz_diag_bib1_to_srw(bib1_code)
1988         int bib1_code
1989