SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.45 2006-06-02 10:06:11 sondberg Exp $
   3  * ----------------------------------------------------------------------
   4  *
   5  * Copyright (c) 2000-2004, Index Data.
   6  *
   7  * Permission to use, copy, modify, distribute, and sell this software and
   8  * its documentation, in whole or in part, for any purpose, is hereby granted,
   9  * provided that:
  10  *
  11  * 1. This copyright and permission notice appear in all copies of the
  12  * software and its documentation. Notices of copyright or attribution
  13  * which appear at the beginning of any file must remain unchanged.
  14  *
  15  * 2. The name of Index Data or the individual authors may not be used to
  16  * endorse or promote products derived from this software without specific
  17  * prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
  20  * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  21  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  22  * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
  23  * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
  24  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
  25  * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  26  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  27  * OF THIS SOFTWARE.
  28  */
  29
  30 #include "EXTERN.h"
  31 #include "perl.h"
  32 #include "proto.h"
  33 #include "embed.h"
  34 #include "XSUB.h"
  35 #include <yaz/backend.h>
  36 #include <yaz/log.h>
  37 #include <yaz/wrbuf.h>
  38 #include <stdio.h>
  39 #ifdef WIN32
  40 #else
  41 #include <unistd.h>
  42 #endif
  43 #include <stdlib.h>
  44 #include <ctype.h>
  45 #define GRS_MAX_FIELDS 500
  46 #ifdef ASN_COMPILED
  47 #include <yaz/ill.h>
  48 #endif
  49 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  50 #define sv_undef PL_sv_undef
  51 #endif
  52
  53 NMEM_MUTEX simpleserver_mutex;
  54
  55 typedef struct {
  56         SV *handle;
  57
  58         SV *init_ref;
  59         SV *close_ref;
  60         SV *sort_ref;
  61         SV *search_ref;
  62         SV *fetch_ref;
  63         SV *present_ref;
  64         SV *esrequest_ref;
  65         SV *delete_ref;
  66         SV *scan_ref;
  67         NMEM nmem;
  68         int stop_flag;  /* is used to stop server prematurely .. */
  69 } Zfront_handle;
  70
  71 #define ENABLE_STOP_SERVER 0
  72
  73 SV *init_ref = NULL;
  74 SV *close_ref = NULL;
  75 SV *sort_ref = NULL;
  76 SV *search_ref = NULL;
  77 SV *fetch_ref = NULL;
  78 SV *present_ref = NULL;
  79 SV *esrequest_ref = NULL;
  80 SV *delete_ref = NULL;
  81 SV *scan_ref = NULL;
  82 PerlInterpreter *root_perl_context;
  83 int MAX_OID = 15;
  84
  85 #define GRS_BUF_SIZE 512
  86
  87 CV * simpleserver_sv2cv(SV *handler) {
  88     STRLEN len;
  89     char *buf;
  90
  91     if (SvPOK(handler)) {
  92         CV *ret;
  93         buf = SvPV( handler, len);
  94         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
  95             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
  96             exit(1);
  97         }
  98
  99         return ret;
 100     } else {
 101         return (CV *) handler;
 102     }
 103 }
 104
 105 /* debugging routine to check for destruction of Perl interpreters */
 106 #ifdef USE_ITHREADS
 107 void tst_clones(void)
 108 {
 109     int i;
 110     PerlInterpreter *parent = PERL_GET_CONTEXT;
 111     for (i = 0; i<5000; i++)
 112     {
 113         PerlInterpreter *perl_interp;
 114
 115         PERL_SET_CONTEXT(parent);
 116         PL_perl_destruct_level = 2;
 117         perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
 118         PL_perl_destruct_level = 2;
 119         PERL_SET_CONTEXT(perl_interp);
 120         perl_destruct(perl_interp);
 121         perl_free(perl_interp);
 122     }
 123     exit (0);
 124 }
 125 #endif
 126
 127 int simpleserver_clone(void) {
 128 #ifdef USE_ITHREADS
 129      nmem_mutex_enter(simpleserver_mutex);
 130      if (1)
 131      {
 132          PerlInterpreter *current = PERL_GET_CONTEXT;
 133
 134          /* if current is unset, then we're in a new thread with
 135           * no Perl interpreter for it. So we must create one .
 136           * This will only happen when threaded is used..
 137           */
 138          if (!current) {
 139              PerlInterpreter *perl_interp;
 140              PERL_SET_CONTEXT( root_perl_context );
 141              perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
 142              PERL_SET_CONTEXT( perl_interp );
 143          }
 144      }
 145      nmem_mutex_leave(simpleserver_mutex);
 146 #endif
 147      return 0;
 148 }
 149
 150
 151 void simpleserver_free(void) {
 152     nmem_mutex_enter(simpleserver_mutex);
 153     if (1)
 154     {
 155         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 156
 157         /* If current Perl Interp is different from root interp, then
 158          * we're in threaded mode and we must destroy..
 159          */
 160         if (current_interp != root_perl_context) {
 161             PL_perl_destruct_level = 2;
 162             PERL_SET_CONTEXT(current_interp);
 163             perl_destruct(current_interp);
 164             perl_free(current_interp);
 165         }
 166     }
 167     nmem_mutex_leave(simpleserver_mutex);
 168 }
 169
 170
 171 Z_GenericRecord *read_grs1(char *str, ODR o)
 172 {
 173         int type, ivalue;
 174         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 175         char value[GRS_BUF_SIZE+1];
 176         Z_GenericRecord *r = 0;
 177
 178         original = str;
 179         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 180         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 181         r->num_elements = 0;
 182
 183         for (;;)
 184         {
 185                 Z_TaggedElement *t;
 186                 Z_ElementData *c;
 187                 int len;
 188
 189                 ptr = strchr(str, '\n');
 190                 if (!ptr) {
 191                         return r;
 192                 }
 193                 len = ptr - str;
 194                 if (len > GRS_BUF_SIZE) {
 195                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 196                     len = GRS_BUF_SIZE;
 197                 }
 198                 strncpy(line, str, len);
 199                 line[len] = 0;
 200                 buf = line;
 201                 str = ptr + 1;
 202                 while (*buf && isspace(*buf))
 203                         buf++;
 204                 if (*buf == '}') {
 205                         memmove(original, str, strlen(str));
 206                         return r;
 207                 }
 208                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 209                 {
 210                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 211                         return r;
 212                 }
 213                 if (!type && *value == '0')
 214                         return r;
 215                 if (!(buf = strchr(buf, ')')))
 216                         return r;
 217                 buf++;
 218                 while (*buf && isspace(*buf))
 219                         buf++;
 220                 if (r->num_elements >= GRS_MAX_FIELDS)
 221                 {
 222                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 223                         exit(0);
 224                 }
 225                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 226                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 227                 *t->tagType = type;
 228                 t->tagValue = (Z_StringOrNumeric *)
 229                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 230                 if ((ivalue = atoi(value)))
 231                 {
 232                         t->tagValue->which = Z_StringOrNumeric_numeric;
 233                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 234                         *t->tagValue->u.numeric = ivalue;
 235                 }
 236                 else
 237                 {
 238                         t->tagValue->which = Z_StringOrNumeric_string;
 239                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 240                         strcpy(t->tagValue->u.string, value);
 241                 }
 242                 t->tagOccurrence = 0;
 243                 t->metaData = 0;
 244                 t->appliedVariant = 0;
 245                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 246                 if (*buf == '{')
 247                 {
 248                         c->which = Z_ElementData_subtree;
 249                         c->u.subtree = read_grs1(str, o);
 250                 }
 251                 else
 252                 {
 253                         c->which = Z_ElementData_string;
 254                         c->u.string = odr_strdup(o, buf);
 255                 }
 256                 r->num_elements++;
 257         }
 258 }
 259
 260
 261
 262
 263 static void oid2str(Odr_oid *o, WRBUF buf)
 264 {
 265     for (; *o >= 0; o++) {
 266         char ibuf[16];
 267         sprintf(ibuf, "%d", *o);
 268         wrbuf_puts(buf, ibuf);
 269         if (o[1] > 0)
 270             wrbuf_putc(buf, '.');
 271     }
 272 }
 273
 274
 275 WRBUF zquery2pquery(Z_Query *q)
 276 {
 277     WRBUF buf = wrbuf_alloc();
 278
 279     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 280         return 0;
 281     yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
 282     return buf;
 283 }
 284
 285
 286 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 287 #include <stdarg.h>
 288 void fatal(char *fmt, ...)
 289 {
 290     va_list ap;
 291
 292     fprintf(stderr, "FATAL (SimpleServer): ");
 293     va_start(ap, fmt);
 294     vfprintf(stderr, fmt, ap);
 295     va_end(ap);
 296     fprintf(stderr, "\n");
 297     abort();
 298 }
 299
 300
 301 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 302 /*
 303  * Creates a new Perl object of type `class'; the newly-created scalar
 304  * that is a reference to the blessed thingy `referent' is returned.
 305  */
 306 static SV *newObject(char *class, SV *referent)
 307 {
 308     HV *stash;
 309     SV *sv;
 310
 311     sv = newRV_noinc((SV*) referent);
 312     stash = gv_stashpv(class, 0);
 313     if (stash == 0)
 314         fatal("attempt to create object of undefined class '%s'", class);
 315     /*assert(stash != 0);*/
 316     sv_bless(sv, stash);
 317     return sv;
 318 }
 319
 320
 321 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 322 static void setMember(HV *hv, char *name, SV *val)
 323 {
 324     /* We don't increment `val's reference count -- I think this is
 325      * right because it's created with a refcount of 1, and in fact
 326      * the reference via this hash is the only reference to it in
 327      * general.
 328      */
 329     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 330         fatal("couldn't store member in hash");
 331 }
 332
 333
 334 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 335 static SV *translateOID(Odr_oid *x)
 336 {
 337     /* Yaz represents an OID by an int array terminated by a negative
 338      * value, typically -1; we represent it as a reference to a
 339      * blessed scalar string of "."-separated elements.
 340      */
 341     char buf[1000];
 342     int i;
 343
 344     *buf = '\0';
 345     for (i = 0; x[i] >= 0; i++) {
 346         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 347         if (x[i+1] >- 0)
 348             strcat(buf, ".");
 349     }
 350
 351     /*
 352      * ### We'd like to return a blessed scalar (string) here, but of
 353      *  course you can't do that in Perl: only references can be
 354      *  blessed, so we'd have to return a _reference_ to a string, and
 355      *  bless _that_.  Better to do without the blessing, I think.
 356      */
 357     if (1) {
 358         return newSVpv(buf, 0);
 359     } else {
 360         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 361     }
 362 }
 363
 364
 365 static SV *rpn2perl(Z_RPNStructure *s)
 366 {
 367     SV *sv;
 368     HV *hv;
 369     AV *av;
 370
 371     switch (s->which) {
 372     case Z_RPNStructure_simple: {
 373         Z_Operand *o = s->u.simple;
 374         Z_AttributesPlusTerm *at;
 375         if (o->which == Z_Operand_resultSetId) {
 376             SV *sv2;
 377             /* This code causes a SIGBUS on my machine, and I have no
 378                idea why.  It seems as clear as day to me */
 379             char *rsid = (char*) o->u.resultSetId;
 380             printf("Encoding resultSetId '%s'\n", rsid);
 381             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 382             printf("Made sv=0x%lx, hv=0x%lx\n",
 383                    (unsigned long) sv ,(unsigned long) hv);
 384             sv2 = newSVpv(rsid, strlen(rsid));
 385             setMember(hv, "id", sv2);
 386             printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
 387             return sv;
 388         }
 389         if (o->which != Z_Operand_APT)
 390             fatal("can't handle RPN simples other than APT and RSID");
 391         at = o->u.attributesPlusTerm;
 392         if (at->term->which != Z_Term_general)
 393             fatal("can't handle RPN terms other than general");
 394
 395         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 396         if (at->attributes) {
 397             int i;
 398             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 399                                   (SV*) (av = newAV()));
 400             for (i = 0; i < at->attributes->num_attributes; i++) {
 401                 Z_AttributeElement *elem = at->attributes->attributes[i];
 402                 HV *hv2;
 403                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 404                                     (SV*) (hv2 = newHV()));
 405                 if (elem->attributeSet)
 406                     setMember(hv2, "attributeSet",
 407                               translateOID(elem->attributeSet));
 408                 setMember(hv2, "attributeType",
 409                           newSViv(*elem->attributeType));
 410                 assert(elem->which == Z_AttributeValue_numeric);
 411                 setMember(hv2, "attributeValue",
 412                           newSViv(*elem->value.numeric));
 413                 av_push(av, tmp);
 414             }
 415             setMember(hv, "attributes", attrs);
 416         }
 417         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 418                                       at->term->u.general->len));
 419         return sv;
 420     }
 421     case Z_RPNStructure_complex: {
 422         SV *tmp;
 423         Z_Complex *c = s->u.complex;
 424         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 425         switch (c->roperator->which) {
 426         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 427         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 428         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 429         case Z_Operator_prox:    fatal("proximity not yet supported");
 430         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 431         }
 432         sv = newObject(type, (SV*) (av = newAV()));
 433         if ((tmp = rpn2perl(c->s1)) == 0)
 434             return 0;
 435         av_push(av, tmp);
 436         if ((tmp = rpn2perl(c->s2)) == 0)
 437             return 0;
 438         av_push(av, tmp);
 439         return sv;
 440     }
 441     default: fatal("unknown RPN node type %d", (int) s->which);
 442     }
 443
 444     return 0;
 445 }
 446
 447
 448 /* Decode the Z_SortAttributes struct and store the whole thing into the
 449  * hash by reference
 450  */
 451 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
 452 {
 453     WRBUF attrset_wr = wrbuf_alloc();
 454     AV *list = newAV();
 455     Z_AttributeList *attr_list = sattr->list;
 456     int i;
 457
 458     oid2str(sattr->id, attrset_wr);
 459     hv_store(sort_spec, "ATTRSET", 7,
 460              newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
 461     wrbuf_free(attrset_wr, 1);
 462
 463     hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
 464
 465     for (i = 0; i < attr_list->num_attributes; i++)
 466     {
 467         Z_AttributeElement *attr = *attr_list->attributes++;
 468         HV *attr_spec = newHV();
 469
 470         av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
 471         hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
 472
 473         if (attr->which == Z_AttributeValue_numeric)
 474         {
 475             hv_store(attr_spec, "ATTR_VALUE", 10,
 476                      newSViv(*attr->value.numeric), 0);
 477         } else {
 478             return 0;
 479         }
 480     }
 481
 482     return 1;
 483 }
 484
 485
 486 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
 487 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
 488 {
 489     Z_SortElement *element = spec->sortElement;
 490
 491     hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
 492     hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
 493     hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
 494
 495     if (element->which == Z_SortElement_generic)
 496     {
 497         Z_SortKey *key = element->u.generic;
 498
 499         if (key->which == Z_SortKey_sortField)
 500         {
 501             hv_store(sort_spec, "SORTFIELD", 9,
 502                      newSVpv((char *) key->u.sortField, 0), 0);
 503         }
 504         else if (key->which == Z_SortKey_elementSpec)
 505         {
 506             Z_Specification *zspec = key->u.elementSpec;
 507
 508             hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
 509                      newSViv(zspec->which), 0);
 510
 511             if (zspec->which == Z_Schema_oid)
 512             {
 513                 WRBUF elementSpec = wrbuf_alloc();
 514
 515                 oid2str(zspec->schema.oid, elementSpec);
 516                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 517                          newSVpv(elementSpec->buf, elementSpec->pos), 0);
 518                 wrbuf_free(elementSpec, 1);
 519             }
 520             else if (zspec->which == Z_Schema_uri)
 521             {
 522                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 523                          newSVpv((char *) zspec->schema.uri, 0), 0);
 524             }
 525         }
 526         else if (key->which == Z_SortKey_sortAttributes)
 527         {
 528             return simpleserver_ExpandSortAttributes(sort_spec,
 529                                                      key->u.sortAttributes);
 530         }
 531         else
 532         {
 533             return 0;
 534         }
 535     }
 536     else
 537     {
 538         return 0;
 539     }
 540
 541     return 1;
 542 }
 543
 544
 545 static SV *zquery2perl(Z_Query *q)
 546 {
 547     SV *sv;
 548     HV *hv;
 549
 550     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 551         return 0;
 552     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 553     if (q->u.type_1->attributeSetId)
 554         setMember(hv, "attributeSet",
 555                   translateOID(q->u.type_1->attributeSetId));
 556     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 557     return sv;
 558 }
 559
 560
 561 int bend_sort(void *handle, bend_sort_rr *rr)
 562 {
 563         HV *href;
 564         AV *aref;
 565         AV *sort_seq;
 566         SV **temp;
 567         SV *err_code;
 568         SV *err_str;
 569         SV *status;
 570         SV *point;
 571         STRLEN len;
 572         char *ptr;
 573         char *ODR_err_str;
 574         char **input_setnames;
 575         Zfront_handle *zhandle = (Zfront_handle *)handle;
 576         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 577         int i;
 578
 579         dSP;
 580         ENTER;
 581         SAVETMPS;
 582
 583         aref = newAV();
 584         input_setnames = rr->input_setnames;
 585         for (i = 0; i < rr->num_input_setnames; i++)
 586         {
 587             av_push(aref, newSVpv(*input_setnames++, 0));
 588         }
 589
 590         sort_seq = newAV();
 591         for (i = 0; i < sort_spec->num_specs; i++)
 592         {
 593             Z_SortKeySpec *spec = *sort_spec->specs++;
 594             HV *sort_spec = newHV();
 595
 596             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 597                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 598             else
 599             {
 600                 rr->errcode = 207;
 601                 return 0;
 602             }
 603         }
 604
 605         href = newHV();
 606         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 607         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 608         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 609         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 610         hv_store(href, "STATUS", 6, newSViv(0), 0);
 611         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 612         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 613
 614         PUSHMARK(sp);
 615
 616         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 617
 618         PUTBACK;
 619
 620         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 621
 622         SPAGAIN;
 623
 624         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 625         err_code = newSVsv(*temp);
 626
 627         temp = hv_fetch(href, "ERR_STR", 7, 1);
 628         err_str = newSVsv(*temp);
 629
 630         temp = hv_fetch(href, "STATUS", 6, 1);
 631         status = newSVsv(*temp);
 632
 633         temp = hv_fetch(href, "HANDLE", 6, 1);
 634         point = newSVsv(*temp);
 635
 636         hv_undef(href);
 637         av_undef(aref);
 638         av_undef(sort_seq);
 639
 640         sv_free( (SV*) aref);
 641         sv_free( (SV*) href);
 642         sv_free( (SV*) sort_seq);
 643
 644         rr->errcode = SvIV(err_code);
 645         rr->sort_status = SvIV(status);
 646
 647         ptr = SvPV(err_str, len);
 648         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 649         strcpy(ODR_err_str, ptr);
 650         rr->errstring = ODR_err_str;
 651         zhandle->handle = point;
 652
 653         sv_free(err_code);
 654         sv_free(err_str);
 655         sv_free(status);
 656
 657         PUTBACK;
 658         FREETMPS;
 659         LEAVE;
 660
 661         return 0;
 662 }
 663
 664
 665 int bend_search(void *handle, bend_search_rr *rr)
 666 {
 667         HV *href;
 668         AV *aref;
 669         SV **temp;
 670         char *ODR_errstr;
 671         STRLEN len;
 672         int i;
 673         char **basenames;
 674         WRBUF query;
 675         char *ptr;
 676         SV *point;
 677         Zfront_handle *zhandle = (Zfront_handle *)handle;
 678         CV* handler_cv = 0;
 679         SV *rpnSV;
 680
 681         dSP;
 682         ENTER;
 683         SAVETMPS;
 684
 685         aref = newAV();
 686         basenames = rr->basenames;
 687         for (i = 0; i < rr->num_bases; i++)
 688         {
 689                 av_push(aref, newSVpv(*basenames++, 0));
 690         }
 691 #if ENABLE_STOP_SERVER
 692         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 693         {
 694                 zhandle->stop_flag = 1;
 695         }
 696 #endif
 697         href = newHV();
 698         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 699         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 700         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 701         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 702         hv_store(href, "HITS", 4, newSViv(0), 0);
 703         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 704         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 705         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 706         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 707             hv_store(href, "RPN", 3, rpnSV, 0);
 708         }
 709         query = zquery2pquery(rr->query);
 710         if (query)
 711         {
 712                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 713         }
 714         else if (rr->query->which == Z_Query_type_104 &&
 715                  rr->query->u.type_104->which == Z_External_CQL) {
 716             hv_store(href, "CQL", 3,
 717                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 718         }
 719         else
 720         {
 721                 rr->errcode = 108;
 722                 return 0;
 723         }
 724         PUSHMARK(sp);
 725
 726         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 727
 728         PUTBACK;
 729
 730         handler_cv = simpleserver_sv2cv( search_ref );
 731         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 732
 733         SPAGAIN;
 734
 735         temp = hv_fetch(href, "HITS", 4, 1);
 736         rr->hits = SvIV(*temp);
 737
 738         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 739         rr->errcode = SvIV(*temp);
 740
 741         temp = hv_fetch(href, "ERR_STR", 7, 1);
 742         ptr = SvPV(*temp, len);
 743         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 744         strcpy(ODR_errstr, ptr);
 745         rr->errstring = ODR_errstr;
 746
 747         temp = hv_fetch(href, "HANDLE", 6, 1);
 748         point = newSVsv(*temp);
 749
 750         hv_undef(href);
 751         av_undef(aref);
 752
 753         zhandle->handle = point;
 754         sv_free( (SV*) aref);
 755         sv_free( (SV*) href);
 756         if (query)
 757             wrbuf_free(query, 1);
 758         PUTBACK;
 759         FREETMPS;
 760         LEAVE;
 761         return 0;
 762 }
 763
 764
 765 /* ### this is worryingly similar to oid2str() */
 766 WRBUF oid2dotted(int *oid)
 767 {
 768
 769         WRBUF buf = wrbuf_alloc();
 770         int dot = 0;
 771
 772         for (; *oid != -1 ; oid++)
 773         {
 774                 char ibuf[16];
 775                 if (dot)
 776                 {
 777                         wrbuf_putc(buf, '.');
 778                 }
 779                 else
 780                 {
 781                         dot = 1;
 782                 }
 783                 sprintf(ibuf, "%d", *oid);
 784                 wrbuf_puts(buf, ibuf);
 785         }
 786         return buf;
 787 }
 788
 789
 790 int dotted2oid(char *dotted, int *buffer)
 791 {
 792         int *oid;
 793         char ibuf[16];
 794         char *ptr;
 795         int n = 0;
 796
 797         ptr = ibuf;
 798         oid = buffer;
 799         while (*dotted)
 800         {
 801                 if (*dotted == '.')
 802                 {
 803                         n++;
 804                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 805                         {
 806                                 *oid = -1;
 807                                 return -1;
 808                         }
 809                         *ptr = 0;
 810                         sscanf(ibuf, "%d", oid++);
 811                         ptr = ibuf;
 812                         dotted++;
 813
 814                 }
 815                 else
 816                 {
 817                         *ptr++ = *dotted++;
 818                 }
 819         }
 820         if (n < MAX_OID)
 821         {
 822                 *ptr = 0;
 823                 sscanf(ibuf, "%d", oid++);
 824         }
 825         *oid = -1;
 826         return 0;
 827 }
 828
 829
 830 int bend_fetch(void *handle, bend_fetch_rr *rr)
 831 {
 832         HV *href;
 833         SV **temp;
 834         SV *basename;
 835         SV *record;
 836         SV *last;
 837         SV *err_code;
 838         SV *err_string;
 839         SV *sur_flag;
 840         SV *point;
 841         SV *rep_form;
 842         char *ptr;
 843         char *ODR_record;
 844         char *ODR_basename;
 845         char *ODR_errstr;
 846         int *ODR_oid_buf;
 847         oident *oid;
 848         WRBUF oid_dotted;
 849         Zfront_handle *zhandle = (Zfront_handle *)handle;
 850         CV* handler_cv = 0;
 851
 852         Z_RecordComposition *composition;
 853         Z_ElementSetNames *simple;
 854         Z_CompSpec *complex;
 855         STRLEN length;
 856
 857         dSP;
 858         ENTER;
 859         SAVETMPS;
 860
 861         rr->errcode = 0;
 862         href = newHV();
 863         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 864         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 865         if (rr->request_format_raw != 0) {
 866             oid_dotted = oid2dotted(rr->request_format_raw);
 867         } else {
 868             /* Probably an SRU request: assume XML is required */
 869             oid_dotted = wrbuf_alloc();
 870             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 871         }
 872         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 873         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 874         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 875         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 876         hv_store(href, "LAST", 4, newSViv(0), 0);
 877         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 878         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 879         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 880         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 881         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 882         if (rr->comp)
 883         {
 884                 composition = rr->comp;
 885                 if (composition->which == Z_RecordComp_simple)
 886                 {
 887                         simple = composition->u.simple;
 888                         if (simple->which == Z_ElementSetNames_generic)
 889                         {
 890                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 891                         }
 892                         else
 893                         {
 894                                 rr->errcode = 26;
 895                         }
 896                 }
 897                 else if (composition->which == Z_RecordComp_complex)
 898                 {
 899                         if (composition->u.complex->generic &&
 900
 901                                         composition->u.complex->generic &&
 902                                         composition->u.complex->generic->elementSpec &&
 903                                         composition->u.complex->generic->elementSpec->which ==
 904                                         Z_ElementSpec_elementSetName)
 905                         {
 906                                 complex = composition->u.complex;
 907                                 hv_store(href, "COMP", 4,
 908                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
 909                         }
 910                         else
 911                         {
 912                                 rr->errcode = 26;
 913                                 return 0;
 914                         }
 915                 }
 916                 else
 917                 {
 918                         rr->errcode = 26;
 919                         return;
 920                 }
 921         }
 922
 923         PUSHMARK(sp);
 924
 925         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 926
 927         PUTBACK;
 928
 929         handler_cv = simpleserver_sv2cv( fetch_ref );
 930         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 931
 932         SPAGAIN;
 933
 934         temp = hv_fetch(href, "BASENAME", 8, 1);
 935         basename = newSVsv(*temp);
 936
 937         temp = hv_fetch(href, "RECORD", 6, 1);
 938         record = newSVsv(*temp);
 939
 940         temp = hv_fetch(href, "LAST", 4, 1);
 941         last = newSVsv(*temp);
 942
 943         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 944         err_code = newSVsv(*temp);
 945
 946         temp = hv_fetch(href, "ERR_STR", 7, 1),
 947         err_string = newSVsv(*temp);
 948
 949         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 950         sur_flag = newSVsv(*temp);
 951
 952         temp = hv_fetch(href, "REP_FORM", 8, 1);
 953         rep_form = newSVsv(*temp);
 954
 955         temp = hv_fetch(href, "HANDLE", 6, 1);
 956         point = newSVsv(*temp);
 957
 958
 959         hv_undef(href);
 960
 961         ptr = SvPV(basename, length);
 962         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 963         strcpy(ODR_basename, ptr);
 964         rr->basename = ODR_basename;
 965
 966         ptr = SvPV(rep_form, length);
 967         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 968         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 969         {
 970                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 971         }
 972         rr->output_format_raw = ODR_oid_buf;
 973
 974         ptr = SvPV(record, length);
 975         oid = oid_getentbyoid(ODR_oid_buf);
 976         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 977         {
 978                 rr->record = (char *) read_grs1(ptr, rr->stream);
 979                 rr->len = -1;
 980         }
 981         else
 982         {
 983                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 984                 strcpy(ODR_record, ptr);
 985                 rr->record = ODR_record;
 986                 rr->len = length;
 987         }
 988         zhandle->handle = point;
 989         handle = zhandle;
 990         rr->last_in_set = SvIV(last);
 991
 992         if (!(rr->errcode))
 993         {
 994                 rr->errcode = SvIV(err_code);
 995                 ptr = SvPV(err_string, length);
 996                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 997                 strcpy(ODR_errstr, ptr);
 998                 rr->errstring = ODR_errstr;
 999         }
1000         rr->surrogate_flag = SvIV(sur_flag);
1001
1002         wrbuf_free(oid_dotted, 1);
1003         sv_free((SV*) href);
1004         sv_free(basename);
1005         sv_free(record);
1006         sv_free(last);
1007         sv_free(err_string);
1008         sv_free(err_code),
1009         sv_free(sur_flag);
1010         sv_free(rep_form);
1011
1012         PUTBACK;
1013         FREETMPS;
1014         LEAVE;
1015
1016         return 0;
1017 }
1018
1019
1020 int bend_present(void *handle, bend_present_rr *rr)
1021 {
1022         HV *href;
1023         SV **temp;
1024         SV *err_code;
1025         SV *err_string;
1026         SV *hits;
1027         SV *point;
1028         STRLEN len;
1029         Z_RecordComposition *composition;
1030         Z_ElementSetNames *simple;
1031         Z_CompSpec *complex;
1032         char *ODR_errstr;
1033         char *ptr;
1034         Zfront_handle *zhandle = (Zfront_handle *)handle;
1035         CV* handler_cv = 0;
1036
1037 /*      WRBUF oid_dotted; */
1038
1039         dSP;
1040         ENTER;
1041         SAVETMPS;
1042
1043         href = newHV();
1044         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1045         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1046         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1047         hv_store(href, "START", 5, newSViv(rr->start), 0);
1048         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1049         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1050         /*oid_dotted = oid2dotted(rr->request_format_raw);
1051         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1052         hv_store(href, "HITS", 4, newSViv(0), 0);
1053         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1054         if (rr->comp)
1055         {
1056                 composition = rr->comp;
1057                 if (composition->which == Z_RecordComp_simple)
1058                 {
1059                         simple = composition->u.simple;
1060                         if (simple->which == Z_ElementSetNames_generic)
1061                         {
1062                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1063                         }
1064                         else
1065                         {
1066                                 rr->errcode = 26;
1067                                 return 0;
1068                         }
1069                 }
1070                 else if (composition->which == Z_RecordComp_complex)
1071                 {
1072                         if (composition->u.complex->generic &&
1073
1074                                         composition->u.complex->generic &&
1075                                         composition->u.complex->generic->elementSpec &&
1076                                         composition->u.complex->generic->elementSpec->which ==
1077                                         Z_ElementSpec_elementSetName)
1078                         {
1079                                 complex = composition->u.complex;
1080                                 hv_store(href, "COMP", 4,
1081                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1082                         }
1083                         else
1084                         {
1085                                 rr->errcode = 26;
1086                                 return 0;
1087                         }
1088                 }
1089                 else
1090                 {
1091                         rr->errcode = 26;
1092                         return;
1093                 }
1094         }
1095
1096         PUSHMARK(sp);
1097
1098         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1099
1100         PUTBACK;
1101
1102         handler_cv = simpleserver_sv2cv( present_ref );
1103         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1104
1105         SPAGAIN;
1106
1107         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1108         err_code = newSVsv(*temp);
1109
1110         temp = hv_fetch(href, "ERR_STR", 7, 1);
1111         err_string = newSVsv(*temp);
1112
1113         temp = hv_fetch(href, "HITS", 4, 1);
1114         hits = newSVsv(*temp);
1115
1116         temp = hv_fetch(href, "HANDLE", 6, 1);
1117         point = newSVsv(*temp);
1118
1119         PUTBACK;
1120         FREETMPS;
1121         LEAVE;
1122
1123         hv_undef(href);
1124         rr->errcode = SvIV(err_code);
1125         rr->hits = SvIV(hits);
1126
1127         ptr = SvPV(err_string, len);
1128         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1129         strcpy(ODR_errstr, ptr);
1130         rr->errstring = ODR_errstr;
1131 /*      wrbuf_free(oid_dotted, 1);*/
1132         zhandle->handle = point;
1133         handle = zhandle;
1134         sv_free(err_code);
1135         sv_free(err_string);
1136         sv_free(hits);
1137         sv_free( (SV*) href);
1138
1139         return 0;
1140 }
1141
1142
1143 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1144 {
1145         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1146         return 0;
1147 }
1148
1149
1150 int bend_delete(void *handle, bend_delete_rr *rr)
1151 {
1152         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1153         return 0;
1154 }
1155
1156
1157 int bend_scan(void *handle, bend_scan_rr *rr)
1158 {
1159         HV *href;
1160         AV *aref;
1161         AV *list;
1162         AV *entries;
1163         HV *scan_item;
1164         struct scan_entry *scan_list;
1165         struct scan_entry *buffer;
1166         int *step_size = rr->step_size;
1167         int i;
1168         char **basenames;
1169         SV **temp;
1170         SV *err_code = sv_newmortal();
1171         SV *err_str = sv_newmortal();
1172         SV *point = sv_newmortal();
1173         SV *status = sv_newmortal();
1174         SV *number = sv_newmortal();
1175         char *ptr;
1176         char *ODR_errstr;
1177         STRLEN len;
1178         int term_len;
1179         SV *entries_ref;
1180         Zfront_handle *zhandle = (Zfront_handle *)handle;
1181         CV* handler_cv = 0;
1182
1183         dSP;
1184         ENTER;
1185         SAVETMPS;
1186         href = newHV();
1187         list = newAV();
1188         if (rr->term->term->which == Z_Term_general)
1189         {
1190                 term_len = rr->term->term->u.general->len;
1191                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1192         } else {
1193                 rr->errcode = 229;      /* Unsupported term type */
1194                 return 0;
1195         }
1196         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1197         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1198         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1199         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1200         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1201         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1202         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1203         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1204         aref = newAV();
1205         basenames = rr->basenames;
1206         for (i = 0; i < rr->num_bases; i++)
1207         {
1208                 av_push(aref, newSVpv(*basenames++, 0));
1209         }
1210         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1211
1212         PUSHMARK(sp);
1213
1214         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1215
1216         PUTBACK;
1217
1218         handler_cv = simpleserver_sv2cv( scan_ref );
1219         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1220
1221         SPAGAIN;
1222
1223         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1224         err_code = newSVsv(*temp);
1225
1226         temp = hv_fetch(href, "ERR_STR", 7, 1);
1227         err_str = newSVsv(*temp);
1228
1229         temp = hv_fetch(href, "HANDLE", 6, 1);
1230         point = newSVsv(*temp);
1231
1232         temp = hv_fetch(href, "STATUS", 6, 1);
1233         status = newSVsv(*temp);
1234
1235         temp = hv_fetch(href, "NUMBER", 6, 1);
1236         number = newSVsv(*temp);
1237
1238         temp = hv_fetch(href, "ENTRIES", 7, 1);
1239         entries_ref = newSVsv(*temp);
1240
1241         PUTBACK;
1242         FREETMPS;
1243         LEAVE;
1244
1245         ptr = SvPV(err_str, len);
1246         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1247         strcpy(ODR_errstr, ptr);
1248         rr->errstring = ODR_errstr;
1249         rr->errcode = SvIV(err_code);
1250         rr->num_entries = SvIV(number);
1251         rr->status = SvIV(status);
1252         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1253         buffer = scan_list;
1254         entries = (AV *)SvRV(entries_ref);
1255         for (i = 0; i < rr->num_entries; i++)
1256         {
1257                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1258                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1259                 ptr = SvPV(*temp, len);
1260                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1261                 strcpy(buffer->term, ptr);
1262                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1263                 buffer->occurrences = SvIV(*temp);
1264                 buffer++;
1265                 hv_undef(scan_item);
1266         }
1267         rr->entries = scan_list;
1268         zhandle->handle = point;
1269         handle = zhandle;
1270         sv_free(err_code);
1271         sv_free(err_str);
1272         sv_free(status);
1273         sv_free(number);
1274         hv_undef(href);
1275         sv_free((SV *)href);
1276         av_undef(aref);
1277         sv_free((SV *)aref);
1278         av_undef(list);
1279         sv_free((SV *)list);
1280         av_undef(entries);
1281         /*sv_free((SV *)entries);*/
1282         sv_free(entries_ref);
1283
1284         return 0;
1285 }
1286
1287 bend_initresult *bend_init(bend_initrequest *q)
1288 {
1289         int dummy = simpleserver_clone();
1290         bend_initresult *r = (bend_initresult *)
1291                 odr_malloc (q->stream, sizeof(*r));
1292         char *ptr;
1293         CV* handler_cv = 0;
1294         dSP;
1295         STRLEN len;
1296         NMEM nmem = nmem_create();
1297         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1298                         sizeof(*zhandle));
1299         SV *handle;
1300         HV *href;
1301         SV **temp;
1302
1303         ENTER;
1304         SAVETMPS;
1305
1306         zhandle->nmem = nmem;
1307         zhandle->stop_flag = 0;
1308
1309         if (sort_ref)
1310         {
1311             q->bend_sort = bend_sort;
1312         }
1313         if (search_ref)
1314         {
1315                 q->bend_search = bend_search;
1316         }
1317         if (present_ref)
1318         {
1319                 q->bend_present = bend_present;
1320         }
1321         /*q->bend_esrequest = bend_esrequest;*/
1322         /*q->bend_delete = bend_delete;*/
1323         if (fetch_ref)
1324         {
1325                 q->bend_fetch = bend_fetch;
1326         }
1327         if (scan_ref)
1328         {
1329                 q->bend_scan = bend_scan;
1330         }
1331
1332         href = newHV();
1333         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1334         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1335         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1336         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1337         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1338         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1339         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1340         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1341         if (q->auth) {
1342             char *user = NULL;
1343             char *passwd = NULL;
1344             if (q->auth->which == Z_IdAuthentication_open) {
1345                 char *cp;
1346                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1347                 cp = strchr (user, '/');
1348                 if (cp) {
1349                     /* password after / given */
1350                     *cp = '\0';
1351                     passwd = cp+1;
1352                 }
1353             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1354                 user = q->auth->u.idPass->userId;
1355                 passwd = q->auth->u.idPass->password;
1356             }
1357             /* ### some code paths have user/password unassigned here */
1358             if (user)
1359                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1360             if (passwd)
1361                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1362         }
1363
1364         PUSHMARK(sp);
1365
1366         XPUSHs(sv_2mortal(newRV((SV*) href)));
1367
1368         PUTBACK;
1369
1370         if (init_ref != NULL)
1371         {
1372              handler_cv = simpleserver_sv2cv( init_ref );
1373              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1374         }
1375
1376         SPAGAIN;
1377
1378         temp = hv_fetch(href, "IMP_ID", 6, 1);
1379         ptr = SvPV(*temp, len);
1380         q->implementation_id = nmem_strdup(nmem, ptr);
1381
1382         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1383         ptr = SvPV(*temp, len);
1384         q->implementation_name = nmem_strdup(nmem, ptr);
1385
1386         temp = hv_fetch(href, "IMP_VER", 7, 1);
1387         ptr = SvPV(*temp, len);
1388         q->implementation_version = nmem_strdup(nmem, ptr);
1389
1390         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1391         r->errcode = SvIV(*temp);
1392
1393         temp = hv_fetch(href, "ERR_STR", 7, 1);
1394         ptr = SvPV(*temp, len);
1395         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1396         strcpy(r->errstring, ptr);
1397
1398         temp = hv_fetch(href, "HANDLE", 6, 1);
1399         handle= newSVsv(*temp);
1400         zhandle->handle = handle;
1401
1402         r->handle = zhandle;
1403
1404         hv_undef(href);
1405         sv_free((SV*) href);
1406
1407         PUTBACK;
1408         FREETMPS;
1409         LEAVE;
1410
1411         return r;
1412 }
1413
1414 void bend_close(void *handle)
1415 {
1416         HV *href;
1417         Zfront_handle *zhandle = (Zfront_handle *)handle;
1418         CV* handler_cv = 0;
1419         int stop_flag = 0;
1420         dSP;
1421         ENTER;
1422         SAVETMPS;
1423
1424         if (close_ref)
1425         {
1426                 href = newHV();
1427                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1428
1429                 PUSHMARK(sp);
1430
1431                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1432
1433                 PUTBACK;
1434
1435                 handler_cv = simpleserver_sv2cv( close_ref );
1436                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1437
1438                 SPAGAIN;
1439
1440                 sv_free((SV*) href);
1441         }
1442         else
1443                 sv_free(zhandle->handle);
1444         PUTBACK;
1445         FREETMPS;
1446         LEAVE;
1447         stop_flag = zhandle->stop_flag;
1448         nmem_destroy(zhandle->nmem);
1449         simpleserver_free();
1450
1451         if (stop_flag)
1452                 exit(0);
1453         return;
1454 }
1455
1456
1457 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1458
1459 PROTOTYPES: DISABLE
1460
1461
1462 void
1463 set_init_handler(arg)
1464                 SV *arg
1465         CODE:
1466                 init_ref = newSVsv(arg);
1467
1468
1469 void
1470 set_close_handler(arg)
1471                 SV *arg
1472         CODE:
1473                 close_ref = newSVsv(arg);
1474
1475
1476 void
1477 set_sort_handler(arg)
1478                 SV *arg
1479         CODE:
1480                 sort_ref = newSVsv(arg);
1481
1482 void
1483 set_search_handler(arg)
1484                 SV *arg
1485         CODE:
1486                 search_ref = newSVsv(arg);
1487
1488
1489 void
1490 set_fetch_handler(arg)
1491                 SV *arg
1492         CODE:
1493                 fetch_ref = newSVsv(arg);
1494
1495
1496 void
1497 set_present_handler(arg)
1498                 SV *arg
1499         CODE:
1500                 present_ref = newSVsv(arg);
1501
1502
1503 void
1504 set_esrequest_handler(arg)
1505                 SV *arg
1506         CODE:
1507                 esrequest_ref = newSVsv(arg);
1508
1509
1510 void
1511 set_delete_handler(arg)
1512                 SV *arg
1513         CODE:
1514                 delete_ref = newSVsv(arg);
1515
1516
1517 void
1518 set_scan_handler(arg)
1519                 SV *arg
1520         CODE:
1521                 scan_ref = newSVsv(arg);
1522
1523
1524 int
1525 start_server(...)
1526         PREINIT:
1527                 char **argv;
1528                 char **argv_buf;
1529                 char *ptr;
1530                 int i;
1531                 STRLEN len;
1532         CODE:
1533                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1534                 argv = argv_buf;
1535                 for (i = 0; i < items; i++)
1536                 {
1537                         ptr = SvPV(ST(i), len);
1538                         *argv_buf = (char *)xmalloc(len + 1);
1539                         strcpy(*argv_buf++, ptr);
1540                 }
1541                 *argv_buf = NULL;
1542                 root_perl_context = PERL_GET_CONTEXT;
1543                 nmem_mutex_create(&simpleserver_mutex);
1544 #if 0
1545                 /* only for debugging perl_clone .. */
1546                 tst_clones();
1547 #endif
1548
1549                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1550         OUTPUT:
1551                 RETVAL
1552
1553
1554 int
1555 ScanSuccess()
1556         CODE:
1557                 RETVAL = BEND_SCAN_SUCCESS;
1558         OUTPUT:
1559                 RETVAL
1560
1561 int
1562 ScanPartial()
1563         CODE:
1564                 RETVAL = BEND_SCAN_PARTIAL;
1565         OUTPUT:
1566                 RETVAL
1567
1568
1569 void
1570 yazlog(arg)
1571                 SV *arg
1572         CODE:
1573                 STRLEN len;
1574                 char *ptr;
1575                 ptr = SvPV(arg, len);
1576                 yaz_log(YLOG_LOG, "%.*s", len, ptr);