SimpleServer.xs

   1 /*
   2  * Copyright (c) 2000, Index Data.
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and
   5  * its documentation, in whole or in part, for any purpose, is hereby granted,
   6  * provided that:
   7  *
   8  * 1. This copyright and permission notice appear in all copies of the
   9  * software and its documentation. Notices of copyright or attribution
  10  * which appear at the beginning of any file must remain unchanged.
  11  *
  12  * 2. The name of Index Data or the individual authors may not be used to
  13  * endorse or promote products derived from this software without specific
  14  * prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  18  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  19  * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
  20  * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
  22  * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  24  * OF THIS SOFTWARE.
  25  */
  26
  27
  28 #include "EXTERN.h"
  29 #include "perl.h"
  30 #include "XSUB.h"
  31 #include <yaz/backend.h>
  32 #include <yaz/log.h>
  33 #include <yaz/wrbuf.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <ctype.h>
  37 #ifdef ASN_COMPILED
  38 #include <yaz/ill.h>
  39 #endif
  40
  41
  42 typedef struct {
  43         SV *handle;
  44
  45         SV *init_ref;
  46         SV *close_ref;
  47         SV *sort_ref;
  48         SV *search_ref;
  49         SV *fetch_ref;
  50         SV *present_ref;
  51         SV *esrequest_ref;
  52         SV *delete_ref;
  53         SV *scan_ref;
  54 } Zfront_handle;
  55
  56 SV *init_ref = NULL;
  57 SV *close_ref = NULL;
  58 SV *sort_ref = NULL;
  59 SV *search_ref = NULL;
  60 SV *fetch_ref = NULL;
  61 SV *present_ref = NULL;
  62 SV *esrequest_ref = NULL;
  63 SV *delete_ref = NULL;
  64 SV *scan_ref = NULL;
  65 int MAX_OID = 15;
  66
  67 static void oid2str(Odr_oid *o, WRBUF buf)
  68 {
  69     for (; *o >= 0; o++) {
  70         char ibuf[16];
  71         sprintf(ibuf, "%d", *o);
  72         wrbuf_puts(buf, ibuf);
  73         if (o[1] > 0)
  74             wrbuf_putc(buf, '.');
  75     }
  76 }
  77
  78
  79 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
  80 {
  81     switch (s->which) {
  82         case Z_RPNStructure_simple: {
  83             Z_Operand *o = s->u.simple;
  84
  85             switch (o->which) {
  86                 case Z_Operand_APT: {
  87                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
  88
  89                     if (at->attributes) {
  90                         int i;
  91                         char ibuf[16];
  92
  93                         for (i = 0; i < at->attributes->num_attributes; i++) {
  94                             wrbuf_puts(buf, "@attr ");
  95                             if (at->attributes->attributes[i]->attributeSet) {
  96                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
  97                                 wrbuf_putc(buf, ' ');
  98                             }
  99                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 100                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 101                             wrbuf_puts(buf, ibuf);
 102                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 103                             wrbuf_puts(buf, ibuf);
 104                         }
 105                     }
 106                     switch (at->term->which) {
 107                         case Z_Term_general: {
 108                             wrbuf_putc(buf, '"');
 109                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 110                             wrbuf_puts(buf, "\" ");
 111                             break;
 112                         }
 113                         default: abort();
 114                     }
 115                     break;
 116                 }
 117                 default: abort();
 118             }
 119             break;
 120         }
 121         case Z_RPNStructure_complex: {
 122             Z_Complex *c = s->u.complex;
 123
 124             switch (c->roperator->which) {
 125                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 126                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 127                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 128                 case Z_Operator_prox: abort();
 129                 default: abort();
 130             }
 131             if (!rpn2pquery(c->s1, buf))
 132                 return 0;
 133             if (!rpn2pquery(c->s2, buf))
 134                 return 0;
 135             break;
 136         }
 137         default: abort();
 138     }
 139     return 1;
 140 }
 141
 142
 143 WRBUF zquery2pquery(Z_Query *q)
 144 {
 145     WRBUF buf = wrbuf_alloc();
 146
 147     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 148         return 0;
 149     if (q->u.type_1->attributeSetId) {
 150         /* Output attribute set ID */
 151         wrbuf_puts(buf, "@attrset ");
 152         oid2str(q->u.type_1->attributeSetId, buf);
 153         wrbuf_putc(buf, ' ');
 154     }
 155     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 156 }
 157
 158
 159 int bend_sort(void *handle, bend_sort_rr *rr)
 160 {
 161         HV *href;
 162         AV *aref;
 163         SV **temp;
 164         SV *err_code;
 165         SV *err_str;
 166         SV *status;
 167         STRLEN len;
 168         char *ptr;
 169         char *ODR_err_str;
 170         char **input_setnames;
 171         Zfront_handle *zhandle = (Zfront_handle *)handle;
 172         int i;
 173
 174         dSP;
 175         ENTER;
 176         SAVETMPS;
 177
 178         aref = newAV();
 179         input_setnames = rr->input_setnames;
 180         for (i = 0; i < rr->num_input_setnames; i++)
 181         {
 182                 av_push(aref, newSVpv(*input_setnames++, 0));
 183         }
 184         href = newHV();
 185         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 186         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 187         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 188         hv_store(href, "STATUS", 6, newSViv(0), 0);
 189
 190         PUSHMARK(sp);
 191
 192         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 193
 194         PUTBACK;
 195
 196         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 197
 198         SPAGAIN;
 199
 200         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 201         err_code = newSVsv(*temp);
 202
 203         temp = hv_fetch(href, "ERR_STR", 7, 1);
 204         err_str = newSVsv(*temp);
 205
 206         temp = hv_fetch(href, "STATUS", 6, 1);
 207         status = newSVsv(*temp);
 208
 209
 210
 211
 212         PUTBACK;
 213         FREETMPS;
 214         LEAVE;
 215
 216         hv_undef(href),
 217         av_undef(aref);
 218         rr->errcode = SvIV(err_code);
 219         rr->sort_status = SvIV(status);
 220         ptr = SvPV(err_str, len);
 221         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 222         strcpy(ODR_err_str, ptr);
 223         rr->errstring = ODR_err_str;
 224
 225         sv_free(err_code);
 226         sv_free(err_str);
 227         sv_free(status);
 228
 229         return 0;
 230 }
 231
 232
 233 int bend_search(void *handle, bend_search_rr *rr)
 234 {
 235         HV *href;
 236         AV *aref;
 237         SV **temp;
 238         SV *hits;
 239         SV *err_code;
 240         SV *err_str;
 241         char *ODR_errstr;
 242         STRLEN len;
 243         int i;
 244         char **basenames;
 245         int n;
 246         WRBUF query;
 247         char *ptr;
 248         SV *point;
 249         SV *ODR_point;
 250         Zfront_handle *zhandle = (Zfront_handle *)handle;
 251
 252         dSP;
 253         ENTER;
 254         SAVETMPS;
 255
 256         aref = newAV();
 257         basenames = rr->basenames;
 258         for (i = 0; i < rr->num_bases; i++)
 259         {
 260                 av_push(aref, newSVpv(*basenames++, 0));
 261         }
 262         href = newHV();
 263         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 264         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 265         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 266         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 267         hv_store(href, "HITS", 4, newSViv(0), 0);
 268         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 269         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 270         query = zquery2pquery(rr->query);
 271         if (query)
 272         {
 273                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 274         }
 275         else
 276         {
 277                 rr->errcode = 108;
 278         }
 279         PUSHMARK(sp);
 280
 281         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 282
 283         PUTBACK;
 284
 285         n = perl_call_sv(search_ref, G_SCALAR | G_DISCARD);
 286
 287         SPAGAIN;
 288
 289         temp = hv_fetch(href, "HITS", 4, 1);
 290         hits = newSVsv(*temp);
 291
 292         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 293         err_code = newSVsv(*temp);
 294
 295         temp = hv_fetch(href, "ERR_STR", 7, 1);
 296         err_str = newSVsv(*temp);
 297
 298         temp = hv_fetch(href, "HANDLE", 6, 1);
 299         point = newSVsv(*temp);
 300
 301         PUTBACK;
 302         FREETMPS;
 303         LEAVE;
 304
 305         hv_undef(href);
 306         av_undef(aref);
 307         rr->hits = SvIV(hits);
 308         rr->errcode = SvIV(err_code);
 309         ptr = SvPV(err_str, len);
 310         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 311         strcpy(ODR_errstr, ptr);
 312         rr->errstring = ODR_errstr;
 313 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 314         memcpy(ODR_point, point, sizeof(*point));
 315         zhandle->handle = ODR_point;*/
 316         zhandle->handle = point;
 317         handle = zhandle;
 318         sv_free(hits);
 319         sv_free(err_code);
 320         sv_free(err_str);
 321         sv_free( (SV*) aref);
 322         sv_free( (SV*) href);
 323         /*sv_free(point);*/
 324         wrbuf_free(query, 1);
 325         return 0;
 326 }
 327
 328
 329 WRBUF oid2dotted(int *oid)
 330 {
 331
 332         WRBUF buf = wrbuf_alloc();
 333         int dot = 0;
 334
 335         for (; *oid != -1 ; oid++)
 336         {
 337                 char ibuf[16];
 338                 if (dot)
 339                 {
 340                         wrbuf_putc(buf, '.');
 341                 }
 342                 else
 343                 {
 344                         dot = 1;
 345                 }
 346                 sprintf(ibuf, "%d", *oid);
 347                 wrbuf_puts(buf, ibuf);
 348         }
 349         return buf;
 350 }
 351
 352
 353 int dotted2oid(char *dotted, int *buffer)
 354 {
 355         int *oid;
 356         char ibuf[16];
 357         char *ptr;
 358         int n = 0;
 359
 360         ptr = ibuf;
 361         oid = buffer;
 362         while (*dotted)
 363         {
 364                 if (*dotted == '.')
 365                 {
 366                         n++;
 367                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 368                         {
 369                                 *oid = -1;
 370                                 return -1;
 371                         }
 372                         *ptr = 0;
 373                         sscanf(ibuf, "%d", oid++);
 374                         ptr = ibuf;
 375                         dotted++;
 376
 377                 }
 378                 else
 379                 {
 380                         *ptr++ = *dotted++;
 381                 }
 382         }
 383         if (n < MAX_OID)
 384         {
 385                 *ptr = 0;
 386                 sscanf(ibuf, "%d", oid++);
 387         }
 388         *oid = -1;
 389         return 0;
 390 }
 391
 392
 393 int bend_fetch(void *handle, bend_fetch_rr *rr)
 394 {
 395         HV *href;
 396         SV **temp;
 397         SV *basename;
 398         SV *record;
 399         SV *last;
 400         SV *err_code;
 401         SV *err_string;
 402         SV *sur_flag;
 403         SV *point;
 404         SV *rep_form;
 405         char *ptr;
 406         char *ODR_record;
 407         char *ODR_basename;
 408         char *ODR_errstr;
 409         int *ODR_oid_buf;
 410         WRBUF oid_dotted;
 411         Zfront_handle *zhandle = (Zfront_handle *)handle;
 412
 413         Z_RecordComposition *composition;
 414         Z_ElementSetNames *simple;
 415         STRLEN length;
 416         int oid;
 417
 418         dSP;
 419         ENTER;
 420         SAVETMPS;
 421
 422         rr->errcode = 0;
 423         href = newHV();
 424         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 425         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 426         oid_dotted = oid2dotted(rr->request_format_raw);
 427         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 428         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 429         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 430         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 431         hv_store(href, "LAST", 4, newSViv(0), 0);
 432         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 433         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 434         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 435         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 436         if (rr->comp)
 437         {
 438                 composition = rr->comp;
 439                 if (composition->which == Z_RecordComp_simple)
 440                 {
 441                         simple = composition->u.simple;
 442                         if (simple->which == Z_ElementSetNames_generic)
 443                         {
 444                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 445                         }
 446                         else
 447                         {
 448                                 rr->errcode = 26;
 449                         }
 450                 }
 451                 else
 452                 {
 453                         rr->errcode = 26;
 454                 }
 455         }
 456
 457         PUSHMARK(sp);
 458
 459         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 460
 461         PUTBACK;
 462
 463         perl_call_sv(fetch_ref, G_SCALAR | G_DISCARD);
 464
 465         SPAGAIN;
 466
 467         temp = hv_fetch(href, "BASENAME", 8, 1);
 468         basename = newSVsv(*temp);
 469
 470         temp = hv_fetch(href, "RECORD", 6, 1);
 471         record = newSVsv(*temp);
 472
 473         temp = hv_fetch(href, "LAST", 4, 1);
 474         last = newSVsv(*temp);
 475
 476         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 477         err_code = newSVsv(*temp);
 478
 479         temp = hv_fetch(href, "ERR_STR", 7, 1),
 480         err_string = newSVsv(*temp);
 481
 482         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 483         sur_flag = newSVsv(*temp);
 484
 485         temp = hv_fetch(href, "REP_FORM", 8, 1);
 486         rep_form = newSVsv(*temp);
 487
 488         temp = hv_fetch(href, "HANDLE", 6, 1);
 489         point = newSVsv(*temp);
 490
 491         PUTBACK;
 492         FREETMPS;
 493         LEAVE;
 494
 495         hv_undef(href);
 496
 497         ptr = SvPV(basename, length);
 498         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 499         strcpy(ODR_basename, ptr);
 500         rr->basename = ODR_basename;
 501
 502         ptr = SvPV(rep_form, length);
 503         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 504         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 505         {
 506                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 507         }
 508         rr->output_format_raw = ODR_oid_buf;
 509
 510         ptr = SvPV(record, length);
 511         ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 512         strcpy(ODR_record, ptr);
 513         rr->record = ODR_record;
 514         rr->len = length;
 515
 516         zhandle->handle = point;
 517         handle = zhandle;
 518         rr->last_in_set = SvIV(last);
 519
 520         if (!(rr->errcode))
 521         {
 522                 rr->errcode = SvIV(err_code);
 523                 ptr = SvPV(err_string, length);
 524                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 525                 strcpy(ODR_errstr, ptr);
 526                 rr->errstring = ODR_errstr;
 527         }
 528         rr->surrogate_flag = SvIV(sur_flag);
 529
 530         wrbuf_free(oid_dotted, 1);
 531         sv_free((SV*) href);
 532         sv_free(basename);
 533         sv_free(record);
 534         sv_free(last);
 535         sv_free(err_string);
 536         sv_free(err_code),
 537         sv_free(sur_flag);
 538         sv_free(rep_form);
 539
 540         return 0;
 541 }
 542
 543
 544 int bend_present(void *handle, bend_present_rr *rr)
 545 {
 546
 547         HV *href;
 548         SV **temp;
 549         SV *err_code;
 550         SV *err_string;
 551         SV *hits;
 552         SV *point;
 553         STRLEN len;
 554         Z_RecordComposition *composition;
 555         Z_ElementSetNames *simple;
 556         char *ODR_errstr;
 557         char *ptr;
 558         Zfront_handle *zhandle = (Zfront_handle *)handle;
 559
 560 /*      WRBUF oid_dotted; */
 561
 562         dSP;
 563         ENTER;
 564         SAVETMPS;
 565
 566         href = newHV();
 567         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 568         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 569         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 570         hv_store(href, "START", 5, newSViv(rr->start), 0);
 571         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 572         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 573         /*oid_dotted = oid2dotted(rr->request_format_raw);
 574         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 575         hv_store(href, "HITS", 4, newSViv(0), 0);
 576         if (rr->comp)
 577         {
 578                 composition = rr->comp;
 579                 if (composition->which == Z_RecordComp_simple)
 580                 {
 581                         simple = composition->u.simple;
 582                         if (simple->which == Z_ElementSetNames_generic)
 583                         {
 584                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 585                         }
 586                         else
 587                         {
 588                                 rr->errcode = 26;
 589                                 return 0;
 590                         }
 591                 }
 592                 else
 593                 {
 594                         rr->errcode = 26;
 595                         return 0;
 596                 }
 597         }
 598
 599         PUSHMARK(sp);
 600
 601         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 602
 603         PUTBACK;
 604
 605         perl_call_sv(present_ref, G_SCALAR | G_DISCARD);
 606
 607         SPAGAIN;
 608
 609         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 610         err_code = newSVsv(*temp);
 611
 612         temp = hv_fetch(href, "ERR_STR", 7, 1);
 613         err_string = newSVsv(*temp);
 614
 615         temp = hv_fetch(href, "HITS", 4, 1);
 616         hits = newSVsv(*temp);
 617
 618         temp = hv_fetch(href, "HANDLE", 6, 1);
 619         point = newSVsv(*temp);
 620
 621         PUTBACK;
 622         FREETMPS;
 623         LEAVE;
 624
 625         hv_undef(href);
 626         rr->errcode = SvIV(err_code);
 627         rr->hits = SvIV(hits);
 628
 629         ptr = SvPV(err_string, len);
 630         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 631         strcpy(ODR_errstr, ptr);
 632         rr->errstring = ODR_errstr;
 633 /*      wrbuf_free(oid_dotted, 1);*/
 634         zhandle->handle = point;
 635         handle = zhandle;
 636         sv_free(err_code);
 637         sv_free(err_string);
 638         sv_free(hits);
 639         sv_free( (SV*) href);
 640
 641         return 0;
 642 }
 643
 644
 645 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
 646 {
 647         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
 648         return 0;
 649 }
 650
 651
 652 int bend_delete(void *handle, bend_delete_rr *rr)
 653 {
 654         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
 655         return 0;
 656 }
 657
 658
 659 int bend_scan(void *handle, bend_scan_rr *rr)
 660 {
 661         perl_call_sv(scan_ref, G_VOID | G_DISCARD | G_NOARGS);
 662         return 0;
 663 }
 664
 665
 666 bend_initresult *bend_init(bend_initrequest *q)
 667 {
 668         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 669         HV *href;
 670         SV **temp;
 671         SV *name;
 672         SV *ver;
 673         SV *err_str;
 674         SV *status;
 675         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
 676         STRLEN len;
 677         int n;
 678         SV *handle;
 679         /*char *name_ptr;
 680         char *ver_ptr;*/
 681         char *ptr;
 682
 683         dSP;
 684         ENTER;
 685         SAVETMPS;
 686
 687         /*q->bend_sort = bend_sort;*/
 688         if (search_ref)
 689         {
 690                 q->bend_search = bend_search;
 691         }
 692         if (present_ref)
 693         {
 694                 q->bend_present = bend_present;
 695         }
 696         /*q->bend_esrequest = bend_esrequest;*/
 697         /*q->bend_delete = bend_delete;*/
 698         if (fetch_ref)
 699         {
 700                 q->bend_fetch = bend_fetch;
 701         }
 702         /*q->bend_scan = bend_scan;*/
 703         href = newHV();
 704         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
 705         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
 706         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 707         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
 708         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
 709
 710         PUSHMARK(sp);
 711
 712         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 713
 714         PUTBACK;
 715
 716         if (init_ref != NULL)
 717         {
 718                 perl_call_sv(init_ref, G_SCALAR | G_DISCARD);
 719         }
 720
 721         SPAGAIN;
 722
 723         temp = hv_fetch(href, "IMP_NAME", 8, 1);
 724         name = newSVsv(*temp);
 725
 726         temp = hv_fetch(href, "IMP_VER", 7, 1);
 727         ver = newSVsv(*temp);
 728
 729         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 730         status = newSVsv(*temp);
 731
 732         temp = hv_fetch(href, "HANDLE", 6, 1);
 733         handle= newSVsv(*temp);
 734
 735         hv_undef(href);
 736         PUTBACK;
 737         FREETMPS;
 738         LEAVE;
 739         zhandle->handle = handle;
 740         r->errcode = SvIV(status);
 741         r->handle = zhandle;
 742         ptr = SvPV(name, len);
 743         q->implementation_name = (char *)xmalloc(len + 1);
 744         strcpy(q->implementation_name, ptr);
 745 /*      q->implementation_name = SvPV(name, len);*/
 746         ptr = SvPV(ver, len);
 747         q->implementation_version = (char *)xmalloc(len + 1);
 748         strcpy(q->implementation_version, ptr);
 749
 750         return r;
 751 }
 752
 753
 754 void bend_close(void *handle)
 755 {
 756         HV *href;
 757         Zfront_handle *zhandle = (Zfront_handle *)handle;
 758         SV **temp;
 759
 760         dSP;
 761         ENTER;
 762         SAVETMPS;
 763
 764         if (close_ref == NULL)
 765         {
 766                 return;
 767         }
 768
 769         href = newHV();
 770         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 771
 772         PUSHMARK(sp);
 773
 774         XPUSHs(sv_2mortal(newRV((SV *)href)));
 775
 776         PUTBACK;
 777
 778         perl_call_sv(close_ref, G_SCALAR | G_DISCARD);
 779
 780         SPAGAIN;
 781
 782         PUTBACK;
 783         FREETMPS;
 784         LEAVE;
 785
 786         xfree(handle);
 787
 788         return;
 789 }
 790
 791
 792 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
 793
 794 void
 795 set_init_handler(arg)
 796                 SV *arg
 797         CODE:
 798                 init_ref = newSVsv(arg);
 799
 800
 801 void
 802 set_close_handler(arg)
 803                 SV *arg
 804         CODE:
 805                 close_ref = newSVsv(arg);
 806
 807
 808 void
 809 set_sort_handler(arg)
 810                 SV *arg
 811         CODE:
 812                 sort_ref = newSVsv(arg);
 813
 814 void
 815 set_search_handler(arg)
 816                 SV *arg
 817         CODE:
 818                 search_ref = newSVsv(arg);
 819
 820
 821 void
 822 set_fetch_handler(arg)
 823                 SV *arg
 824         CODE:
 825                 fetch_ref = newSVsv(arg);
 826
 827
 828 void
 829 set_present_handler(arg)
 830                 SV *arg
 831         CODE:
 832                 present_ref = newSVsv(arg);
 833
 834
 835 void
 836 set_esrequest_handler(arg)
 837                 SV *arg
 838         CODE:
 839                 esrequest_ref = newSVsv(arg);
 840
 841
 842 void
 843 set_delete_handler(arg)
 844                 SV *arg
 845         CODE:
 846                 delete_ref = newSVsv(arg);
 847
 848
 849 void
 850 set_scan_handler(arg)
 851                 SV *arg
 852         CODE:
 853                 scan_ref = newSVsv(arg);
 854
 855
 856 int
 857 start_server(...)
 858         PREINIT:
 859                 char **argv;
 860                 char **argv_buf;
 861                 char *ptr;
 862                 int i;
 863                 STRLEN len;
 864         CODE:
 865                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
 866                 argv = argv_buf;
 867                 for (i = 0; i < items; i++)
 868                 {
 869                         ptr = SvPV(ST(i), len);
 870                         *argv_buf = (char *)xmalloc(len + 1);
 871                         strcpy(*argv_buf++, ptr);
 872                 }
 873                 *argv_buf = NULL;
 874
 875                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
 876         OUTPUT:
 877                 RETVAL