SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.44 2006-05-31 16:39:30 quinn 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             return 0;
 493         }
 494         else
 495         {
 496             return 0;
 497         }
 498     }
 499     else
 500     {
 501         return 0;
 502     }
 503
 504     return 1;
 505 }
 506
 507
 508 static SV *zquery2perl(Z_Query *q)
 509 {
 510     SV *sv;
 511     HV *hv;
 512
 513     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 514         return 0;
 515     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 516     if (q->u.type_1->attributeSetId)
 517         setMember(hv, "attributeSet",
 518                   translateOID(q->u.type_1->attributeSetId));
 519     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 520     return sv;
 521 }
 522
 523
 524 int bend_sort(void *handle, bend_sort_rr *rr)
 525 {
 526         HV *href;
 527         AV *aref;
 528         AV *sort_seq;
 529         SV **temp;
 530         SV *err_code;
 531         SV *err_str;
 532         SV *status;
 533         SV *point;
 534         STRLEN len;
 535         char *ptr;
 536         char *ODR_err_str;
 537         char **input_setnames;
 538         Zfront_handle *zhandle = (Zfront_handle *)handle;
 539         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 540         int i;
 541
 542         dSP;
 543         ENTER;
 544         SAVETMPS;
 545
 546         aref = newAV();
 547         input_setnames = rr->input_setnames;
 548         for (i = 0; i < rr->num_input_setnames; i++)
 549         {
 550             av_push(aref, newSVpv(*input_setnames++, 0));
 551         }
 552
 553         sort_seq = newAV();
 554         for (i = 0; i < sort_spec->num_specs; i++)
 555         {
 556             Z_SortKeySpec *spec = *sort_spec->specs++;
 557             HV *sort_spec = newHV();
 558
 559             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 560                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 561             else
 562             {
 563                 rr->errcode = 207;
 564                 return 0;
 565             }
 566         }
 567
 568         href = newHV();
 569         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 570         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 571         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 572         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 573         hv_store(href, "STATUS", 6, newSViv(0), 0);
 574         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 575         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 576
 577         PUSHMARK(sp);
 578
 579         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 580
 581         PUTBACK;
 582
 583         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 584
 585         SPAGAIN;
 586
 587         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 588         err_code = newSVsv(*temp);
 589
 590         temp = hv_fetch(href, "ERR_STR", 7, 1);
 591         err_str = newSVsv(*temp);
 592
 593         temp = hv_fetch(href, "STATUS", 6, 1);
 594         status = newSVsv(*temp);
 595
 596         temp = hv_fetch(href, "HANDLE", 6, 1);
 597         point = newSVsv(*temp);
 598
 599         hv_undef(href);
 600         av_undef(aref);
 601         av_undef(sort_seq);
 602
 603         sv_free( (SV*) aref);
 604         sv_free( (SV*) href);
 605         sv_free( (SV*) sort_seq);
 606
 607         rr->errcode = SvIV(err_code);
 608         rr->sort_status = SvIV(status);
 609
 610         ptr = SvPV(err_str, len);
 611         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 612         strcpy(ODR_err_str, ptr);
 613         rr->errstring = ODR_err_str;
 614         zhandle->handle = point;
 615
 616         sv_free(err_code);
 617         sv_free(err_str);
 618         sv_free(status);
 619
 620         PUTBACK;
 621         FREETMPS;
 622         LEAVE;
 623
 624         return 0;
 625 }
 626
 627
 628 int bend_search(void *handle, bend_search_rr *rr)
 629 {
 630         HV *href;
 631         AV *aref;
 632         SV **temp;
 633         char *ODR_errstr;
 634         STRLEN len;
 635         int i;
 636         char **basenames;
 637         WRBUF query;
 638         char *ptr;
 639         SV *point;
 640         Zfront_handle *zhandle = (Zfront_handle *)handle;
 641         CV* handler_cv = 0;
 642         SV *rpnSV;
 643
 644         dSP;
 645         ENTER;
 646         SAVETMPS;
 647
 648         aref = newAV();
 649         basenames = rr->basenames;
 650         for (i = 0; i < rr->num_bases; i++)
 651         {
 652                 av_push(aref, newSVpv(*basenames++, 0));
 653         }
 654 #if ENABLE_STOP_SERVER
 655         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 656         {
 657                 zhandle->stop_flag = 1;
 658         }
 659 #endif
 660         href = newHV();
 661         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 662         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 663         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 664         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 665         hv_store(href, "HITS", 4, newSViv(0), 0);
 666         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 667         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 668         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 669         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 670             hv_store(href, "RPN", 3, rpnSV, 0);
 671         }
 672         query = zquery2pquery(rr->query);
 673         if (query)
 674         {
 675                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 676         }
 677         else if (rr->query->which == Z_Query_type_104 &&
 678                  rr->query->u.type_104->which == Z_External_CQL) {
 679             hv_store(href, "CQL", 3,
 680                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 681         }
 682         else
 683         {
 684                 rr->errcode = 108;
 685                 return 0;
 686         }
 687         PUSHMARK(sp);
 688
 689         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 690
 691         PUTBACK;
 692
 693         handler_cv = simpleserver_sv2cv( search_ref );
 694         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 695
 696         SPAGAIN;
 697
 698         temp = hv_fetch(href, "HITS", 4, 1);
 699         rr->hits = SvIV(*temp);
 700
 701         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 702         rr->errcode = SvIV(*temp);
 703
 704         temp = hv_fetch(href, "ERR_STR", 7, 1);
 705         ptr = SvPV(*temp, len);
 706         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 707         strcpy(ODR_errstr, ptr);
 708         rr->errstring = ODR_errstr;
 709
 710         temp = hv_fetch(href, "HANDLE", 6, 1);
 711         point = newSVsv(*temp);
 712
 713         hv_undef(href);
 714         av_undef(aref);
 715
 716         zhandle->handle = point;
 717         sv_free( (SV*) aref);
 718         sv_free( (SV*) href);
 719         if (query)
 720             wrbuf_free(query, 1);
 721         PUTBACK;
 722         FREETMPS;
 723         LEAVE;
 724         return 0;
 725 }
 726
 727
 728 /* ### this is worryingly similar to oid2str() */
 729 WRBUF oid2dotted(int *oid)
 730 {
 731
 732         WRBUF buf = wrbuf_alloc();
 733         int dot = 0;
 734
 735         for (; *oid != -1 ; oid++)
 736         {
 737                 char ibuf[16];
 738                 if (dot)
 739                 {
 740                         wrbuf_putc(buf, '.');
 741                 }
 742                 else
 743                 {
 744                         dot = 1;
 745                 }
 746                 sprintf(ibuf, "%d", *oid);
 747                 wrbuf_puts(buf, ibuf);
 748         }
 749         return buf;
 750 }
 751
 752
 753 int dotted2oid(char *dotted, int *buffer)
 754 {
 755         int *oid;
 756         char ibuf[16];
 757         char *ptr;
 758         int n = 0;
 759
 760         ptr = ibuf;
 761         oid = buffer;
 762         while (*dotted)
 763         {
 764                 if (*dotted == '.')
 765                 {
 766                         n++;
 767                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 768                         {
 769                                 *oid = -1;
 770                                 return -1;
 771                         }
 772                         *ptr = 0;
 773                         sscanf(ibuf, "%d", oid++);
 774                         ptr = ibuf;
 775                         dotted++;
 776
 777                 }
 778                 else
 779                 {
 780                         *ptr++ = *dotted++;
 781                 }
 782         }
 783         if (n < MAX_OID)
 784         {
 785                 *ptr = 0;
 786                 sscanf(ibuf, "%d", oid++);
 787         }
 788         *oid = -1;
 789         return 0;
 790 }
 791
 792
 793 int bend_fetch(void *handle, bend_fetch_rr *rr)
 794 {
 795         HV *href;
 796         SV **temp;
 797         SV *basename;
 798         SV *record;
 799         SV *last;
 800         SV *err_code;
 801         SV *err_string;
 802         SV *sur_flag;
 803         SV *point;
 804         SV *rep_form;
 805         char *ptr;
 806         char *ODR_record;
 807         char *ODR_basename;
 808         char *ODR_errstr;
 809         int *ODR_oid_buf;
 810         oident *oid;
 811         WRBUF oid_dotted;
 812         Zfront_handle *zhandle = (Zfront_handle *)handle;
 813         CV* handler_cv = 0;
 814
 815         Z_RecordComposition *composition;
 816         Z_ElementSetNames *simple;
 817         Z_CompSpec *complex;
 818         STRLEN length;
 819
 820         dSP;
 821         ENTER;
 822         SAVETMPS;
 823
 824         rr->errcode = 0;
 825         href = newHV();
 826         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 827         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 828         if (rr->request_format_raw != 0) {
 829             oid_dotted = oid2dotted(rr->request_format_raw);
 830         } else {
 831             /* Probably an SRU request: assume XML is required */
 832             oid_dotted = wrbuf_alloc();
 833             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 834         }
 835         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 836         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 837         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 838         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 839         hv_store(href, "LAST", 4, newSViv(0), 0);
 840         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 841         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 842         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 843         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 844         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 845         if (rr->comp)
 846         {
 847                 composition = rr->comp;
 848                 if (composition->which == Z_RecordComp_simple)
 849                 {
 850                         simple = composition->u.simple;
 851                         if (simple->which == Z_ElementSetNames_generic)
 852                         {
 853                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 854                         }
 855                         else
 856                         {
 857                                 rr->errcode = 26;
 858                         }
 859                 }
 860                 else if (composition->which == Z_RecordComp_complex)
 861                 {
 862                         if (composition->u.complex->generic &&
 863
 864                                         composition->u.complex->generic &&
 865                                         composition->u.complex->generic->elementSpec &&
 866                                         composition->u.complex->generic->elementSpec->which ==
 867                                         Z_ElementSpec_elementSetName)
 868                         {
 869                                 complex = composition->u.complex;
 870                                 hv_store(href, "COMP", 4,
 871                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
 872                         }
 873                         else
 874                         {
 875                                 rr->errcode = 26;
 876                                 return 0;
 877                         }
 878                 }
 879                 else
 880                 {
 881                         rr->errcode = 26;
 882                         return;
 883                 }
 884         }
 885
 886         PUSHMARK(sp);
 887
 888         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 889
 890         PUTBACK;
 891
 892         handler_cv = simpleserver_sv2cv( fetch_ref );
 893         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 894
 895         SPAGAIN;
 896
 897         temp = hv_fetch(href, "BASENAME", 8, 1);
 898         basename = newSVsv(*temp);
 899
 900         temp = hv_fetch(href, "RECORD", 6, 1);
 901         record = newSVsv(*temp);
 902
 903         temp = hv_fetch(href, "LAST", 4, 1);
 904         last = newSVsv(*temp);
 905
 906         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 907         err_code = newSVsv(*temp);
 908
 909         temp = hv_fetch(href, "ERR_STR", 7, 1),
 910         err_string = newSVsv(*temp);
 911
 912         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 913         sur_flag = newSVsv(*temp);
 914
 915         temp = hv_fetch(href, "REP_FORM", 8, 1);
 916         rep_form = newSVsv(*temp);
 917
 918         temp = hv_fetch(href, "HANDLE", 6, 1);
 919         point = newSVsv(*temp);
 920
 921
 922         hv_undef(href);
 923
 924         ptr = SvPV(basename, length);
 925         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 926         strcpy(ODR_basename, ptr);
 927         rr->basename = ODR_basename;
 928
 929         ptr = SvPV(rep_form, length);
 930         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 931         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 932         {
 933                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 934         }
 935         rr->output_format_raw = ODR_oid_buf;
 936
 937         ptr = SvPV(record, length);
 938         oid = oid_getentbyoid(ODR_oid_buf);
 939         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 940         {
 941                 rr->record = (char *) read_grs1(ptr, rr->stream);
 942                 rr->len = -1;
 943         }
 944         else
 945         {
 946                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 947                 strcpy(ODR_record, ptr);
 948                 rr->record = ODR_record;
 949                 rr->len = length;
 950         }
 951         zhandle->handle = point;
 952         handle = zhandle;
 953         rr->last_in_set = SvIV(last);
 954
 955         if (!(rr->errcode))
 956         {
 957                 rr->errcode = SvIV(err_code);
 958                 ptr = SvPV(err_string, length);
 959                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 960                 strcpy(ODR_errstr, ptr);
 961                 rr->errstring = ODR_errstr;
 962         }
 963         rr->surrogate_flag = SvIV(sur_flag);
 964
 965         wrbuf_free(oid_dotted, 1);
 966         sv_free((SV*) href);
 967         sv_free(basename);
 968         sv_free(record);
 969         sv_free(last);
 970         sv_free(err_string);
 971         sv_free(err_code),
 972         sv_free(sur_flag);
 973         sv_free(rep_form);
 974
 975         PUTBACK;
 976         FREETMPS;
 977         LEAVE;
 978
 979         return 0;
 980 }
 981
 982
 983 int bend_present(void *handle, bend_present_rr *rr)
 984 {
 985         HV *href;
 986         SV **temp;
 987         SV *err_code;
 988         SV *err_string;
 989         SV *hits;
 990         SV *point;
 991         STRLEN len;
 992         Z_RecordComposition *composition;
 993         Z_ElementSetNames *simple;
 994         Z_CompSpec *complex;
 995         char *ODR_errstr;
 996         char *ptr;
 997         Zfront_handle *zhandle = (Zfront_handle *)handle;
 998         CV* handler_cv = 0;
 999
1000 /*      WRBUF oid_dotted; */
1001
1002         dSP;
1003         ENTER;
1004         SAVETMPS;
1005
1006         href = newHV();
1007         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1008         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1009         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1010         hv_store(href, "START", 5, newSViv(rr->start), 0);
1011         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1012         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1013         /*oid_dotted = oid2dotted(rr->request_format_raw);
1014         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1015         hv_store(href, "HITS", 4, newSViv(0), 0);
1016         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1017         if (rr->comp)
1018         {
1019                 composition = rr->comp;
1020                 if (composition->which == Z_RecordComp_simple)
1021                 {
1022                         simple = composition->u.simple;
1023                         if (simple->which == Z_ElementSetNames_generic)
1024                         {
1025                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1026                         }
1027                         else
1028                         {
1029                                 rr->errcode = 26;
1030                                 return 0;
1031                         }
1032                 }
1033                 else if (composition->which == Z_RecordComp_complex)
1034                 {
1035                         if (composition->u.complex->generic &&
1036
1037                                         composition->u.complex->generic &&
1038                                         composition->u.complex->generic->elementSpec &&
1039                                         composition->u.complex->generic->elementSpec->which ==
1040                                         Z_ElementSpec_elementSetName)
1041                         {
1042                                 complex = composition->u.complex;
1043                                 hv_store(href, "COMP", 4,
1044                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1045                         }
1046                         else
1047                         {
1048                                 rr->errcode = 26;
1049                                 return 0;
1050                         }
1051                 }
1052                 else
1053                 {
1054                         rr->errcode = 26;
1055                         return;
1056                 }
1057         }
1058
1059         PUSHMARK(sp);
1060
1061         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1062
1063         PUTBACK;
1064
1065         handler_cv = simpleserver_sv2cv( present_ref );
1066         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1067
1068         SPAGAIN;
1069
1070         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1071         err_code = newSVsv(*temp);
1072
1073         temp = hv_fetch(href, "ERR_STR", 7, 1);
1074         err_string = newSVsv(*temp);
1075
1076         temp = hv_fetch(href, "HITS", 4, 1);
1077         hits = newSVsv(*temp);
1078
1079         temp = hv_fetch(href, "HANDLE", 6, 1);
1080         point = newSVsv(*temp);
1081
1082         PUTBACK;
1083         FREETMPS;
1084         LEAVE;
1085
1086         hv_undef(href);
1087         rr->errcode = SvIV(err_code);
1088         rr->hits = SvIV(hits);
1089
1090         ptr = SvPV(err_string, len);
1091         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1092         strcpy(ODR_errstr, ptr);
1093         rr->errstring = ODR_errstr;
1094 /*      wrbuf_free(oid_dotted, 1);*/
1095         zhandle->handle = point;
1096         handle = zhandle;
1097         sv_free(err_code);
1098         sv_free(err_string);
1099         sv_free(hits);
1100         sv_free( (SV*) href);
1101
1102         return 0;
1103 }
1104
1105
1106 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1107 {
1108         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1109         return 0;
1110 }
1111
1112
1113 int bend_delete(void *handle, bend_delete_rr *rr)
1114 {
1115         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1116         return 0;
1117 }
1118
1119
1120 int bend_scan(void *handle, bend_scan_rr *rr)
1121 {
1122         HV *href;
1123         AV *aref;
1124         AV *list;
1125         AV *entries;
1126         HV *scan_item;
1127         struct scan_entry *scan_list;
1128         struct scan_entry *buffer;
1129         int *step_size = rr->step_size;
1130         int i;
1131         char **basenames;
1132         SV **temp;
1133         SV *err_code = sv_newmortal();
1134         SV *err_str = sv_newmortal();
1135         SV *point = sv_newmortal();
1136         SV *status = sv_newmortal();
1137         SV *number = sv_newmortal();
1138         char *ptr;
1139         char *ODR_errstr;
1140         STRLEN len;
1141         int term_len;
1142         SV *entries_ref;
1143         Zfront_handle *zhandle = (Zfront_handle *)handle;
1144         CV* handler_cv = 0;
1145
1146         dSP;
1147         ENTER;
1148         SAVETMPS;
1149         href = newHV();
1150         list = newAV();
1151         if (rr->term->term->which == Z_Term_general)
1152         {
1153                 term_len = rr->term->term->u.general->len;
1154                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1155         } else {
1156                 rr->errcode = 229;      /* Unsupported term type */
1157                 return 0;
1158         }
1159         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1160         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1161         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1162         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1163         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1164         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1165         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1166         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1167         aref = newAV();
1168         basenames = rr->basenames;
1169         for (i = 0; i < rr->num_bases; i++)
1170         {
1171                 av_push(aref, newSVpv(*basenames++, 0));
1172         }
1173         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1174
1175         PUSHMARK(sp);
1176
1177         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1178
1179         PUTBACK;
1180
1181         handler_cv = simpleserver_sv2cv( scan_ref );
1182         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1183
1184         SPAGAIN;
1185
1186         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1187         err_code = newSVsv(*temp);
1188
1189         temp = hv_fetch(href, "ERR_STR", 7, 1);
1190         err_str = newSVsv(*temp);
1191
1192         temp = hv_fetch(href, "HANDLE", 6, 1);
1193         point = newSVsv(*temp);
1194
1195         temp = hv_fetch(href, "STATUS", 6, 1);
1196         status = newSVsv(*temp);
1197
1198         temp = hv_fetch(href, "NUMBER", 6, 1);
1199         number = newSVsv(*temp);
1200
1201         temp = hv_fetch(href, "ENTRIES", 7, 1);
1202         entries_ref = newSVsv(*temp);
1203
1204         PUTBACK;
1205         FREETMPS;
1206         LEAVE;
1207
1208         ptr = SvPV(err_str, len);
1209         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1210         strcpy(ODR_errstr, ptr);
1211         rr->errstring = ODR_errstr;
1212         rr->errcode = SvIV(err_code);
1213         rr->num_entries = SvIV(number);
1214         rr->status = SvIV(status);
1215         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1216         buffer = scan_list;
1217         entries = (AV *)SvRV(entries_ref);
1218         for (i = 0; i < rr->num_entries; i++)
1219         {
1220                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1221                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1222                 ptr = SvPV(*temp, len);
1223                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1224                 strcpy(buffer->term, ptr);
1225                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1226                 buffer->occurrences = SvIV(*temp);
1227                 buffer++;
1228                 hv_undef(scan_item);
1229         }
1230         rr->entries = scan_list;
1231         zhandle->handle = point;
1232         handle = zhandle;
1233         sv_free(err_code);
1234         sv_free(err_str);
1235         sv_free(status);
1236         sv_free(number);
1237         hv_undef(href);
1238         sv_free((SV *)href);
1239         av_undef(aref);
1240         sv_free((SV *)aref);
1241         av_undef(list);
1242         sv_free((SV *)list);
1243         av_undef(entries);
1244         /*sv_free((SV *)entries);*/
1245         sv_free(entries_ref);
1246
1247         return 0;
1248 }
1249
1250 bend_initresult *bend_init(bend_initrequest *q)
1251 {
1252         int dummy = simpleserver_clone();
1253         bend_initresult *r = (bend_initresult *)
1254                 odr_malloc (q->stream, sizeof(*r));
1255         char *ptr;
1256         CV* handler_cv = 0;
1257         dSP;
1258         STRLEN len;
1259         NMEM nmem = nmem_create();
1260         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1261                         sizeof(*zhandle));
1262         SV *handle;
1263         HV *href;
1264         SV **temp;
1265
1266         ENTER;
1267         SAVETMPS;
1268
1269         zhandle->nmem = nmem;
1270         zhandle->stop_flag = 0;
1271
1272         if (sort_ref)
1273         {
1274             q->bend_sort = bend_sort;
1275         }
1276         if (search_ref)
1277         {
1278                 q->bend_search = bend_search;
1279         }
1280         if (present_ref)
1281         {
1282                 q->bend_present = bend_present;
1283         }
1284         /*q->bend_esrequest = bend_esrequest;*/
1285         /*q->bend_delete = bend_delete;*/
1286         if (fetch_ref)
1287         {
1288                 q->bend_fetch = bend_fetch;
1289         }
1290         if (scan_ref)
1291         {
1292                 q->bend_scan = bend_scan;
1293         }
1294
1295         href = newHV();
1296         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1297         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1298         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1299         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1300         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1301         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1302         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1303         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1304         if (q->auth) {
1305             char *user = NULL;
1306             char *passwd = NULL;
1307             if (q->auth->which == Z_IdAuthentication_open) {
1308                 char *cp;
1309                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1310                 cp = strchr (user, '/');
1311                 if (cp) {
1312                     /* password after / given */
1313                     *cp = '\0';
1314                     passwd = cp+1;
1315                 }
1316             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1317                 user = q->auth->u.idPass->userId;
1318                 passwd = q->auth->u.idPass->password;
1319             }
1320             /* ### some code paths have user/password unassigned here */
1321             if (user)
1322                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1323             if (passwd)
1324                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1325         }
1326
1327         PUSHMARK(sp);
1328
1329         XPUSHs(sv_2mortal(newRV((SV*) href)));
1330
1331         PUTBACK;
1332
1333         if (init_ref != NULL)
1334         {
1335              handler_cv = simpleserver_sv2cv( init_ref );
1336              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1337         }
1338
1339         SPAGAIN;
1340
1341         temp = hv_fetch(href, "IMP_ID", 6, 1);
1342         ptr = SvPV(*temp, len);
1343         q->implementation_id = nmem_strdup(nmem, ptr);
1344
1345         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1346         ptr = SvPV(*temp, len);
1347         q->implementation_name = nmem_strdup(nmem, ptr);
1348
1349         temp = hv_fetch(href, "IMP_VER", 7, 1);
1350         ptr = SvPV(*temp, len);
1351         q->implementation_version = nmem_strdup(nmem, ptr);
1352
1353         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1354         r->errcode = SvIV(*temp);
1355
1356         temp = hv_fetch(href, "ERR_STR", 7, 1);
1357         ptr = SvPV(*temp, len);
1358         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1359         strcpy(r->errstring, ptr);
1360
1361         temp = hv_fetch(href, "HANDLE", 6, 1);
1362         handle= newSVsv(*temp);
1363         zhandle->handle = handle;
1364
1365         r->handle = zhandle;
1366
1367         hv_undef(href);
1368         sv_free((SV*) href);
1369
1370         PUTBACK;
1371         FREETMPS;
1372         LEAVE;
1373
1374         return r;
1375 }
1376
1377 void bend_close(void *handle)
1378 {
1379         HV *href;
1380         Zfront_handle *zhandle = (Zfront_handle *)handle;
1381         CV* handler_cv = 0;
1382         int stop_flag = 0;
1383         dSP;
1384         ENTER;
1385         SAVETMPS;
1386
1387         if (close_ref)
1388         {
1389                 href = newHV();
1390                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1391
1392                 PUSHMARK(sp);
1393
1394                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1395
1396                 PUTBACK;
1397
1398                 handler_cv = simpleserver_sv2cv( close_ref );
1399                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1400
1401                 SPAGAIN;
1402
1403                 sv_free((SV*) href);
1404         }
1405         else
1406                 sv_free(zhandle->handle);
1407         PUTBACK;
1408         FREETMPS;
1409         LEAVE;
1410         stop_flag = zhandle->stop_flag;
1411         nmem_destroy(zhandle->nmem);
1412         simpleserver_free();
1413
1414         if (stop_flag)
1415                 exit(0);
1416         return;
1417 }
1418
1419
1420 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1421
1422 PROTOTYPES: DISABLE
1423
1424
1425 void
1426 set_init_handler(arg)
1427                 SV *arg
1428         CODE:
1429                 init_ref = newSVsv(arg);
1430
1431
1432 void
1433 set_close_handler(arg)
1434                 SV *arg
1435         CODE:
1436                 close_ref = newSVsv(arg);
1437
1438
1439 void
1440 set_sort_handler(arg)
1441                 SV *arg
1442         CODE:
1443                 sort_ref = newSVsv(arg);
1444
1445 void
1446 set_search_handler(arg)
1447                 SV *arg
1448         CODE:
1449                 search_ref = newSVsv(arg);
1450
1451
1452 void
1453 set_fetch_handler(arg)
1454                 SV *arg
1455         CODE:
1456                 fetch_ref = newSVsv(arg);
1457
1458
1459 void
1460 set_present_handler(arg)
1461                 SV *arg
1462         CODE:
1463                 present_ref = newSVsv(arg);
1464
1465
1466 void
1467 set_esrequest_handler(arg)
1468                 SV *arg
1469         CODE:
1470                 esrequest_ref = newSVsv(arg);
1471
1472
1473 void
1474 set_delete_handler(arg)
1475                 SV *arg
1476         CODE:
1477                 delete_ref = newSVsv(arg);
1478
1479
1480 void
1481 set_scan_handler(arg)
1482                 SV *arg
1483         CODE:
1484                 scan_ref = newSVsv(arg);
1485
1486
1487 int
1488 start_server(...)
1489         PREINIT:
1490                 char **argv;
1491                 char **argv_buf;
1492                 char *ptr;
1493                 int i;
1494                 STRLEN len;
1495         CODE:
1496                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1497                 argv = argv_buf;
1498                 for (i = 0; i < items; i++)
1499                 {
1500                         ptr = SvPV(ST(i), len);
1501                         *argv_buf = (char *)xmalloc(len + 1);
1502                         strcpy(*argv_buf++, ptr);
1503                 }
1504                 *argv_buf = NULL;
1505                 root_perl_context = PERL_GET_CONTEXT;
1506                 nmem_mutex_create(&simpleserver_mutex);
1507 #if 0
1508                 /* only for debugging perl_clone .. */
1509                 tst_clones();
1510 #endif
1511
1512                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1513         OUTPUT:
1514                 RETVAL
1515
1516
1517 int
1518 ScanSuccess()
1519         CODE:
1520                 RETVAL = BEND_SCAN_SUCCESS;
1521         OUTPUT:
1522                 RETVAL
1523
1524 int
1525 ScanPartial()
1526         CODE:
1527                 RETVAL = BEND_SCAN_PARTIAL;
1528         OUTPUT:
1529                 RETVAL
1530
1531
1532 void
1533 yazlog(arg)
1534                 SV *arg
1535         CODE:
1536                 STRLEN len;
1537                 char *ptr;
1538                 ptr = SvPV(arg, len);
1539                 yaz_log(YLOG_LOG, "%.*s", len, ptr);