SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.42 2006-04-19 13:17:52 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_SortKeySpec struct and store the whole thing in a perl hash */
 449 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
 450 {
 451     Z_SortElement *element = spec->sortElement;
 452
 453     hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
 454     hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
 455     hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
 456
 457     if (element->which == Z_SortElement_generic)
 458     {
 459         Z_SortKey *key = element->u.generic;
 460
 461         if (key->which == Z_SortKey_sortField)
 462         {
 463             hv_store(sort_spec, "SORTFIELD", 9,
 464                      newSVpv((char *) key->u.sortField, 0), 0);
 465         }
 466         else if (key->which == Z_SortKey_elementSpec)
 467         {
 468             Z_Specification *zspec = key->u.elementSpec;
 469
 470             hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
 471                      newSViv(zspec->which), 0);
 472
 473             if (zspec->which == Z_Schema_oid)
 474             {
 475                 WRBUF elementSpec = wrbuf_alloc();
 476
 477                 oid2str(zspec->schema.oid, elementSpec);
 478                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 479                          newSVpv(elementSpec->buf, elementSpec->pos), 0);
 480                 wrbuf_free(elementSpec, 1);
 481             }
 482             else if (zspec->which == Z_Schema_uri)
 483             {
 484                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 485                          newSVpv((char *) zspec->schema.uri, 0), 0);
 486             }
 487         }
 488         else if (key->which == Z_SortKey_sortAttributes)
 489         {
 490             Z_SortAttributes *attr = key->u.sortAttributes;
 491
 492         }
 493         else
 494         {
 495             return 0;
 496         }
 497     }
 498     else
 499     {
 500         return 0;
 501     }
 502
 503     return 1;
 504 }
 505
 506
 507 static SV *zquery2perl(Z_Query *q)
 508 {
 509     SV *sv;
 510     HV *hv;
 511
 512     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 513         return 0;
 514     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 515     if (q->u.type_1->attributeSetId)
 516         setMember(hv, "attributeSet",
 517                   translateOID(q->u.type_1->attributeSetId));
 518     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 519     return sv;
 520 }
 521
 522
 523 int bend_sort(void *handle, bend_sort_rr *rr)
 524 {
 525         HV *href;
 526         AV *aref;
 527         AV *sort_seq;
 528         SV **temp;
 529         SV *err_code;
 530         SV *err_str;
 531         SV *status;
 532         SV *point;
 533         STRLEN len;
 534         char *ptr;
 535         char *ODR_err_str;
 536         char **input_setnames;
 537         Zfront_handle *zhandle = (Zfront_handle *)handle;
 538         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 539         int i;
 540
 541         dSP;
 542         ENTER;
 543         SAVETMPS;
 544
 545         aref = newAV();
 546         input_setnames = rr->input_setnames;
 547         for (i = 0; i < rr->num_input_setnames; i++)
 548         {
 549             av_push(aref, newSVpv(*input_setnames++, 0));
 550         }
 551
 552         sort_seq = newAV();
 553         for (i = 0; i < sort_spec->num_specs; i++)
 554         {
 555             Z_SortKeySpec *spec = *sort_spec->specs++;
 556             HV *sort_spec = newHV();
 557
 558             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 559                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 560             else
 561             {
 562                 rr->errcode = 207;
 563                 return 0;
 564             }
 565         }
 566
 567         href = newHV();
 568         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 569         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 570         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 571         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 572         hv_store(href, "STATUS", 6, newSViv(0), 0);
 573         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 574         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 575
 576         PUSHMARK(sp);
 577
 578         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 579
 580         PUTBACK;
 581
 582         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 583
 584         SPAGAIN;
 585
 586         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 587         err_code = newSVsv(*temp);
 588
 589         temp = hv_fetch(href, "ERR_STR", 7, 1);
 590         err_str = newSVsv(*temp);
 591
 592         temp = hv_fetch(href, "STATUS", 6, 1);
 593         status = newSVsv(*temp);
 594
 595         temp = hv_fetch(href, "HANDLE", 6, 1);
 596         point = newSVsv(*temp);
 597
 598         hv_undef(href);
 599         av_undef(aref);
 600         av_undef(sort_seq);
 601
 602         sv_free( (SV*) aref);
 603         sv_free( (SV*) href);
 604         sv_free( (SV*) sort_seq);
 605
 606         rr->errcode = SvIV(err_code);
 607         rr->sort_status = SvIV(status);
 608
 609         ptr = SvPV(err_str, len);
 610         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 611         strcpy(ODR_err_str, ptr);
 612         rr->errstring = ODR_err_str;
 613         zhandle->handle = point;
 614
 615         sv_free(err_code);
 616         sv_free(err_str);
 617         sv_free(status);
 618
 619         PUTBACK;
 620         FREETMPS;
 621         LEAVE;
 622
 623         return 0;
 624 }
 625
 626
 627 int bend_search(void *handle, bend_search_rr *rr)
 628 {
 629         HV *href;
 630         AV *aref;
 631         SV **temp;
 632         char *ODR_errstr;
 633         STRLEN len;
 634         int i;
 635         char **basenames;
 636         WRBUF query;
 637         char *ptr;
 638         SV *point;
 639         Zfront_handle *zhandle = (Zfront_handle *)handle;
 640         CV* handler_cv = 0;
 641         SV *rpnSV;
 642
 643         dSP;
 644         ENTER;
 645         SAVETMPS;
 646
 647         aref = newAV();
 648         basenames = rr->basenames;
 649         for (i = 0; i < rr->num_bases; i++)
 650         {
 651                 av_push(aref, newSVpv(*basenames++, 0));
 652         }
 653 #if ENABLE_STOP_SERVER
 654         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 655         {
 656                 zhandle->stop_flag = 1;
 657         }
 658 #endif
 659         href = newHV();
 660         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 661         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 662         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 663         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 664         hv_store(href, "HITS", 4, newSViv(0), 0);
 665         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 666         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 667         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 668         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 669             hv_store(href, "RPN", 3, rpnSV, 0);
 670         }
 671         query = zquery2pquery(rr->query);
 672         if (query)
 673         {
 674                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 675         }
 676         else if (rr->query->which == Z_Query_type_104 &&
 677                  rr->query->u.type_104->which == Z_External_CQL) {
 678             hv_store(href, "CQL", 3,
 679                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 680         }
 681         else
 682         {
 683                 rr->errcode = 108;
 684                 return 0;
 685         }
 686         PUSHMARK(sp);
 687
 688         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 689
 690         PUTBACK;
 691
 692         handler_cv = simpleserver_sv2cv( search_ref );
 693         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 694
 695         SPAGAIN;
 696
 697         temp = hv_fetch(href, "HITS", 4, 1);
 698         rr->hits = SvIV(*temp);
 699
 700         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 701         rr->errcode = SvIV(*temp);
 702
 703         temp = hv_fetch(href, "ERR_STR", 7, 1);
 704         ptr = SvPV(*temp, len);
 705         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 706         strcpy(ODR_errstr, ptr);
 707         rr->errstring = ODR_errstr;
 708
 709         temp = hv_fetch(href, "HANDLE", 6, 1);
 710         point = newSVsv(*temp);
 711
 712         hv_undef(href);
 713         av_undef(aref);
 714
 715         zhandle->handle = point;
 716         sv_free( (SV*) aref);
 717         sv_free( (SV*) href);
 718         if (query)
 719             wrbuf_free(query, 1);
 720         PUTBACK;
 721         FREETMPS;
 722         LEAVE;
 723         return 0;
 724 }
 725
 726
 727 /* ### this is worryingly similar to oid2str() */
 728 WRBUF oid2dotted(int *oid)
 729 {
 730
 731         WRBUF buf = wrbuf_alloc();
 732         int dot = 0;
 733
 734         for (; *oid != -1 ; oid++)
 735         {
 736                 char ibuf[16];
 737                 if (dot)
 738                 {
 739                         wrbuf_putc(buf, '.');
 740                 }
 741                 else
 742                 {
 743                         dot = 1;
 744                 }
 745                 sprintf(ibuf, "%d", *oid);
 746                 wrbuf_puts(buf, ibuf);
 747         }
 748         return buf;
 749 }
 750
 751
 752 int dotted2oid(char *dotted, int *buffer)
 753 {
 754         int *oid;
 755         char ibuf[16];
 756         char *ptr;
 757         int n = 0;
 758
 759         ptr = ibuf;
 760         oid = buffer;
 761         while (*dotted)
 762         {
 763                 if (*dotted == '.')
 764                 {
 765                         n++;
 766                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 767                         {
 768                                 *oid = -1;
 769                                 return -1;
 770                         }
 771                         *ptr = 0;
 772                         sscanf(ibuf, "%d", oid++);
 773                         ptr = ibuf;
 774                         dotted++;
 775
 776                 }
 777                 else
 778                 {
 779                         *ptr++ = *dotted++;
 780                 }
 781         }
 782         if (n < MAX_OID)
 783         {
 784                 *ptr = 0;
 785                 sscanf(ibuf, "%d", oid++);
 786         }
 787         *oid = -1;
 788         return 0;
 789 }
 790
 791
 792 int bend_fetch(void *handle, bend_fetch_rr *rr)
 793 {
 794         HV *href;
 795         SV **temp;
 796         SV *basename;
 797         SV *record;
 798         SV *last;
 799         SV *err_code;
 800         SV *err_string;
 801         SV *sur_flag;
 802         SV *point;
 803         SV *rep_form;
 804         char *ptr;
 805         char *ODR_record;
 806         char *ODR_basename;
 807         char *ODR_errstr;
 808         int *ODR_oid_buf;
 809         oident *oid;
 810         WRBUF oid_dotted;
 811         Zfront_handle *zhandle = (Zfront_handle *)handle;
 812         CV* handler_cv = 0;
 813
 814         Z_RecordComposition *composition;
 815         Z_ElementSetNames *simple;
 816         STRLEN length;
 817
 818         dSP;
 819         ENTER;
 820         SAVETMPS;
 821
 822         rr->errcode = 0;
 823         href = newHV();
 824         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 825         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 826         if (rr->request_format_raw != 0) {
 827             oid_dotted = oid2dotted(rr->request_format_raw);
 828         } else {
 829             /* Probably an SRU request: assume XML is required */
 830             oid_dotted = wrbuf_alloc();
 831             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 832         }
 833         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 834         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 835         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 836         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 837         hv_store(href, "LAST", 4, newSViv(0), 0);
 838         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 839         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 840         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 841         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 842         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 843         if (rr->comp)
 844         {
 845                 composition = rr->comp;
 846                 if (composition->which == Z_RecordComp_simple)
 847                 {
 848                         simple = composition->u.simple;
 849                         if (simple->which == Z_ElementSetNames_generic)
 850                         {
 851                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 852                         }
 853                         else
 854                         {
 855                                 rr->errcode = 26;
 856                         }
 857                 }
 858                 else
 859                 {
 860                         /* This is where we end up in the case of
 861                          * SRU.  Since record composition ("element
 862                          * sets") are meaningless in SRU anyway, we
 863                          * just skip this.
 864                          */
 865                 }
 866         }
 867
 868         PUSHMARK(sp);
 869
 870         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 871
 872         PUTBACK;
 873
 874         handler_cv = simpleserver_sv2cv( fetch_ref );
 875         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 876
 877         SPAGAIN;
 878
 879         temp = hv_fetch(href, "BASENAME", 8, 1);
 880         basename = newSVsv(*temp);
 881
 882         temp = hv_fetch(href, "RECORD", 6, 1);
 883         record = newSVsv(*temp);
 884
 885         temp = hv_fetch(href, "LAST", 4, 1);
 886         last = newSVsv(*temp);
 887
 888         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 889         err_code = newSVsv(*temp);
 890
 891         temp = hv_fetch(href, "ERR_STR", 7, 1),
 892         err_string = newSVsv(*temp);
 893
 894         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 895         sur_flag = newSVsv(*temp);
 896
 897         temp = hv_fetch(href, "REP_FORM", 8, 1);
 898         rep_form = newSVsv(*temp);
 899
 900         temp = hv_fetch(href, "HANDLE", 6, 1);
 901         point = newSVsv(*temp);
 902
 903
 904         hv_undef(href);
 905
 906         ptr = SvPV(basename, length);
 907         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 908         strcpy(ODR_basename, ptr);
 909         rr->basename = ODR_basename;
 910
 911         ptr = SvPV(rep_form, length);
 912         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 913         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 914         {
 915                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 916         }
 917         rr->output_format_raw = ODR_oid_buf;
 918
 919         ptr = SvPV(record, length);
 920         oid = oid_getentbyoid(ODR_oid_buf);
 921         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 922         {
 923                 rr->record = (char *) read_grs1(ptr, rr->stream);
 924                 rr->len = -1;
 925         }
 926         else
 927         {
 928                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 929                 strcpy(ODR_record, ptr);
 930                 rr->record = ODR_record;
 931                 rr->len = length;
 932         }
 933         zhandle->handle = point;
 934         handle = zhandle;
 935         rr->last_in_set = SvIV(last);
 936
 937         if (!(rr->errcode))
 938         {
 939                 rr->errcode = SvIV(err_code);
 940                 ptr = SvPV(err_string, length);
 941                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 942                 strcpy(ODR_errstr, ptr);
 943                 rr->errstring = ODR_errstr;
 944         }
 945         rr->surrogate_flag = SvIV(sur_flag);
 946
 947         wrbuf_free(oid_dotted, 1);
 948         sv_free((SV*) href);
 949         sv_free(basename);
 950         sv_free(record);
 951         sv_free(last);
 952         sv_free(err_string);
 953         sv_free(err_code),
 954         sv_free(sur_flag);
 955         sv_free(rep_form);
 956
 957         PUTBACK;
 958         FREETMPS;
 959         LEAVE;
 960
 961         return 0;
 962 }
 963
 964
 965 int bend_present(void *handle, bend_present_rr *rr)
 966 {
 967         HV *href;
 968         SV **temp;
 969         SV *err_code;
 970         SV *err_string;
 971         SV *hits;
 972         SV *point;
 973         STRLEN len;
 974         Z_RecordComposition *composition;
 975         Z_ElementSetNames *simple;
 976         char *ODR_errstr;
 977         char *ptr;
 978         Zfront_handle *zhandle = (Zfront_handle *)handle;
 979         CV* handler_cv = 0;
 980
 981 /*      WRBUF oid_dotted; */
 982
 983         dSP;
 984         ENTER;
 985         SAVETMPS;
 986
 987         href = newHV();
 988         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 989         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 990         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 991         hv_store(href, "START", 5, newSViv(rr->start), 0);
 992         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 993         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 994         /*oid_dotted = oid2dotted(rr->request_format_raw);
 995         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 996         hv_store(href, "HITS", 4, newSViv(0), 0);
 997         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 998         if (rr->comp)
 999         {
1000                 composition = rr->comp;
1001                 if (composition->which == Z_RecordComp_simple)
1002                 {
1003                         simple = composition->u.simple;
1004                         if (simple->which == Z_ElementSetNames_generic)
1005                         {
1006                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1007                         }
1008                         else
1009                         {
1010                                 rr->errcode = 26;
1011                                 return 0;
1012                         }
1013                 }
1014                 else
1015                 {
1016                         rr->errcode = 26;
1017                         return 0;
1018                 }
1019         }
1020
1021         PUSHMARK(sp);
1022
1023         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1024
1025         PUTBACK;
1026
1027         handler_cv = simpleserver_sv2cv( present_ref );
1028         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1029
1030         SPAGAIN;
1031
1032         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1033         err_code = newSVsv(*temp);
1034
1035         temp = hv_fetch(href, "ERR_STR", 7, 1);
1036         err_string = newSVsv(*temp);
1037
1038         temp = hv_fetch(href, "HITS", 4, 1);
1039         hits = newSVsv(*temp);
1040
1041         temp = hv_fetch(href, "HANDLE", 6, 1);
1042         point = newSVsv(*temp);
1043
1044         PUTBACK;
1045         FREETMPS;
1046         LEAVE;
1047
1048         hv_undef(href);
1049         rr->errcode = SvIV(err_code);
1050         rr->hits = SvIV(hits);
1051
1052         ptr = SvPV(err_string, len);
1053         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1054         strcpy(ODR_errstr, ptr);
1055         rr->errstring = ODR_errstr;
1056 /*      wrbuf_free(oid_dotted, 1);*/
1057         zhandle->handle = point;
1058         handle = zhandle;
1059         sv_free(err_code);
1060         sv_free(err_string);
1061         sv_free(hits);
1062         sv_free( (SV*) href);
1063
1064         return 0;
1065 }
1066
1067
1068 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1069 {
1070         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1071         return 0;
1072 }
1073
1074
1075 int bend_delete(void *handle, bend_delete_rr *rr)
1076 {
1077         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1078         return 0;
1079 }
1080
1081
1082 int bend_scan(void *handle, bend_scan_rr *rr)
1083 {
1084         HV *href;
1085         AV *aref;
1086         AV *list;
1087         AV *entries;
1088         HV *scan_item;
1089         struct scan_entry *scan_list;
1090         struct scan_entry *buffer;
1091         int *step_size = rr->step_size;
1092         int i;
1093         char **basenames;
1094         SV **temp;
1095         SV *err_code = sv_newmortal();
1096         SV *err_str = sv_newmortal();
1097         SV *point = sv_newmortal();
1098         SV *status = sv_newmortal();
1099         SV *number = sv_newmortal();
1100         char *ptr;
1101         char *ODR_errstr;
1102         STRLEN len;
1103         int term_len;
1104         SV *entries_ref;
1105         Zfront_handle *zhandle = (Zfront_handle *)handle;
1106         CV* handler_cv = 0;
1107
1108         dSP;
1109         ENTER;
1110         SAVETMPS;
1111         href = newHV();
1112         list = newAV();
1113         if (rr->term->term->which == Z_Term_general)
1114         {
1115                 term_len = rr->term->term->u.general->len;
1116                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1117         } else {
1118                 rr->errcode = 229;      /* Unsupported term type */
1119                 return 0;
1120         }
1121         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1122         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1123         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1124         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1125         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1126         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1127         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1128         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1129         aref = newAV();
1130         basenames = rr->basenames;
1131         for (i = 0; i < rr->num_bases; i++)
1132         {
1133                 av_push(aref, newSVpv(*basenames++, 0));
1134         }
1135         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1136
1137         PUSHMARK(sp);
1138
1139         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1140
1141         PUTBACK;
1142
1143         handler_cv = simpleserver_sv2cv( scan_ref );
1144         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1145
1146         SPAGAIN;
1147
1148         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1149         err_code = newSVsv(*temp);
1150
1151         temp = hv_fetch(href, "ERR_STR", 7, 1);
1152         err_str = newSVsv(*temp);
1153
1154         temp = hv_fetch(href, "HANDLE", 6, 1);
1155         point = newSVsv(*temp);
1156
1157         temp = hv_fetch(href, "STATUS", 6, 1);
1158         status = newSVsv(*temp);
1159
1160         temp = hv_fetch(href, "NUMBER", 6, 1);
1161         number = newSVsv(*temp);
1162
1163         temp = hv_fetch(href, "ENTRIES", 7, 1);
1164         entries_ref = newSVsv(*temp);
1165
1166         PUTBACK;
1167         FREETMPS;
1168         LEAVE;
1169
1170         ptr = SvPV(err_str, len);
1171         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1172         strcpy(ODR_errstr, ptr);
1173         rr->errstring = ODR_errstr;
1174         rr->errcode = SvIV(err_code);
1175         rr->num_entries = SvIV(number);
1176         rr->status = SvIV(status);
1177         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1178         buffer = scan_list;
1179         entries = (AV *)SvRV(entries_ref);
1180         for (i = 0; i < rr->num_entries; i++)
1181         {
1182                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1183                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1184                 ptr = SvPV(*temp, len);
1185                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1186                 strcpy(buffer->term, ptr);
1187                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1188                 buffer->occurrences = SvIV(*temp);
1189                 buffer++;
1190                 hv_undef(scan_item);
1191         }
1192         rr->entries = scan_list;
1193         zhandle->handle = point;
1194         handle = zhandle;
1195         sv_free(err_code);
1196         sv_free(err_str);
1197         sv_free(status);
1198         sv_free(number);
1199         hv_undef(href);
1200         sv_free((SV *)href);
1201         av_undef(aref);
1202         sv_free((SV *)aref);
1203         av_undef(list);
1204         sv_free((SV *)list);
1205         av_undef(entries);
1206         /*sv_free((SV *)entries);*/
1207         sv_free(entries_ref);
1208
1209         return 0;
1210 }
1211
1212 bend_initresult *bend_init(bend_initrequest *q)
1213 {
1214         int dummy = simpleserver_clone();
1215         bend_initresult *r = (bend_initresult *)
1216                 odr_malloc (q->stream, sizeof(*r));
1217         char *ptr;
1218         CV* handler_cv = 0;
1219         dSP;
1220         STRLEN len;
1221         NMEM nmem = nmem_create();
1222         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1223                         sizeof(*zhandle));
1224         SV *handle;
1225         HV *href;
1226         SV **temp;
1227
1228         ENTER;
1229         SAVETMPS;
1230
1231         zhandle->nmem = nmem;
1232         zhandle->stop_flag = 0;
1233
1234         if (sort_ref)
1235         {
1236             q->bend_sort = bend_sort;
1237         }
1238         if (search_ref)
1239         {
1240                 q->bend_search = bend_search;
1241         }
1242         if (present_ref)
1243         {
1244                 q->bend_present = bend_present;
1245         }
1246         /*q->bend_esrequest = bend_esrequest;*/
1247         /*q->bend_delete = bend_delete;*/
1248         if (fetch_ref)
1249         {
1250                 q->bend_fetch = bend_fetch;
1251         }
1252         if (scan_ref)
1253         {
1254                 q->bend_scan = bend_scan;
1255         }
1256
1257         href = newHV();
1258         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1259         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1260         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1261         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1262         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1263         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1264         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1265         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1266         if (q->auth) {
1267             char *user = NULL;
1268             char *passwd = NULL;
1269             if (q->auth->which == Z_IdAuthentication_open) {
1270                 char *cp;
1271                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1272                 cp = strchr (user, '/');
1273                 if (cp) {
1274                     /* password after / given */
1275                     *cp = '\0';
1276                     passwd = cp+1;
1277                 }
1278             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1279                 user = q->auth->u.idPass->userId;
1280                 passwd = q->auth->u.idPass->password;
1281             }
1282             /* ### some code paths have user/password unassigned here */
1283             if (user)
1284                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1285             if (passwd)
1286                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1287         }
1288
1289         PUSHMARK(sp);
1290
1291         XPUSHs(sv_2mortal(newRV((SV*) href)));
1292
1293         PUTBACK;
1294
1295         if (init_ref != NULL)
1296         {
1297              handler_cv = simpleserver_sv2cv( init_ref );
1298              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1299         }
1300
1301         SPAGAIN;
1302
1303         temp = hv_fetch(href, "IMP_ID", 6, 1);
1304         ptr = SvPV(*temp, len);
1305         q->implementation_id = nmem_strdup(nmem, ptr);
1306
1307         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1308         ptr = SvPV(*temp, len);
1309         q->implementation_name = nmem_strdup(nmem, ptr);
1310
1311         temp = hv_fetch(href, "IMP_VER", 7, 1);
1312         ptr = SvPV(*temp, len);
1313         q->implementation_version = nmem_strdup(nmem, ptr);
1314
1315         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1316         r->errcode = SvIV(*temp);
1317
1318         temp = hv_fetch(href, "ERR_STR", 7, 1);
1319         ptr = SvPV(*temp, len);
1320         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1321         strcpy(r->errstring, ptr);
1322
1323         temp = hv_fetch(href, "HANDLE", 6, 1);
1324         handle= newSVsv(*temp);
1325         zhandle->handle = handle;
1326
1327         r->handle = zhandle;
1328
1329         hv_undef(href);
1330         sv_free((SV*) href);
1331
1332         PUTBACK;
1333         FREETMPS;
1334         LEAVE;
1335
1336         return r;
1337 }
1338
1339 void bend_close(void *handle)
1340 {
1341         HV *href;
1342         Zfront_handle *zhandle = (Zfront_handle *)handle;
1343         CV* handler_cv = 0;
1344         int stop_flag = 0;
1345         dSP;
1346         ENTER;
1347         SAVETMPS;
1348
1349         if (close_ref)
1350         {
1351                 href = newHV();
1352                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1353
1354                 PUSHMARK(sp);
1355
1356                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1357
1358                 PUTBACK;
1359
1360                 handler_cv = simpleserver_sv2cv( close_ref );
1361                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1362
1363                 SPAGAIN;
1364
1365                 sv_free((SV*) href);
1366         }
1367         else
1368                 sv_free(zhandle->handle);
1369         PUTBACK;
1370         FREETMPS;
1371         LEAVE;
1372         stop_flag = zhandle->stop_flag;
1373         nmem_destroy(zhandle->nmem);
1374         simpleserver_free();
1375
1376         if (stop_flag)
1377                 exit(0);
1378         return;
1379 }
1380
1381
1382 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1383
1384 PROTOTYPES: DISABLE
1385
1386
1387 void
1388 set_init_handler(arg)
1389                 SV *arg
1390         CODE:
1391                 init_ref = newSVsv(arg);
1392
1393
1394 void
1395 set_close_handler(arg)
1396                 SV *arg
1397         CODE:
1398                 close_ref = newSVsv(arg);
1399
1400
1401 void
1402 set_sort_handler(arg)
1403                 SV *arg
1404         CODE:
1405                 sort_ref = newSVsv(arg);
1406
1407 void
1408 set_search_handler(arg)
1409                 SV *arg
1410         CODE:
1411                 search_ref = newSVsv(arg);
1412
1413
1414 void
1415 set_fetch_handler(arg)
1416                 SV *arg
1417         CODE:
1418                 fetch_ref = newSVsv(arg);
1419
1420
1421 void
1422 set_present_handler(arg)
1423                 SV *arg
1424         CODE:
1425                 present_ref = newSVsv(arg);
1426
1427
1428 void
1429 set_esrequest_handler(arg)
1430                 SV *arg
1431         CODE:
1432                 esrequest_ref = newSVsv(arg);
1433
1434
1435 void
1436 set_delete_handler(arg)
1437                 SV *arg
1438         CODE:
1439                 delete_ref = newSVsv(arg);
1440
1441
1442 void
1443 set_scan_handler(arg)
1444                 SV *arg
1445         CODE:
1446                 scan_ref = newSVsv(arg);
1447
1448
1449 int
1450 start_server(...)
1451         PREINIT:
1452                 char **argv;
1453                 char **argv_buf;
1454                 char *ptr;
1455                 int i;
1456                 STRLEN len;
1457         CODE:
1458                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1459                 argv = argv_buf;
1460                 for (i = 0; i < items; i++)
1461                 {
1462                         ptr = SvPV(ST(i), len);
1463                         *argv_buf = (char *)xmalloc(len + 1);
1464                         strcpy(*argv_buf++, ptr);
1465                 }
1466                 *argv_buf = NULL;
1467                 root_perl_context = PERL_GET_CONTEXT;
1468                 nmem_mutex_create(&simpleserver_mutex);
1469 #if 0
1470                 /* only for debugging perl_clone .. */
1471                 tst_clones();
1472 #endif
1473
1474                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1475         OUTPUT:
1476                 RETVAL
1477
1478
1479 int
1480 ScanSuccess()
1481         CODE:
1482                 RETVAL = BEND_SCAN_SUCCESS;
1483         OUTPUT:
1484                 RETVAL
1485
1486 int
1487 ScanPartial()
1488         CODE:
1489                 RETVAL = BEND_SCAN_PARTIAL;
1490         OUTPUT:
1491                 RETVAL
1492
1493
1494 void
1495 yazlog(arg)
1496                 SV *arg
1497         CODE:
1498                 STRLEN len;
1499                 char *ptr;
1500                 ptr = SvPV(arg, len);
1501                 yaz_log(YLOG_LOG, "%.*s", len, ptr);