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 /*$Log: SimpleServer.xs,v $
  28 /*Revision 1.9  2001-08-24 14:00:20  sondberg
  29 /*Added support for scan.
  30 /*
  31 /*Revision 1.8  2001/05/21 11:07:02  sondberg
  32 /*Extended maximum numbers of GRS-1 elements. Should be done dynamically.
  33 /*
  34 /*Revision 1.7  2001/03/13 14:17:15  sondberg
  35 /*Added support for GRS-1.
  36 /**/
  37
  38
  39 #include "EXTERN.h"
  40 #include "perl.h"
  41 #include "XSUB.h"
  42 #include <yaz/backend.h>
  43 #include <yaz/log.h>
  44 #include <yaz/wrbuf.h>
  45 #include <stdio.h>
  46 #include <unistd.h>
  47 #include <stdlib.h>
  48 #include <ctype.h>
  49 #define GRS_MAX_FIELDS 500
  50 #ifdef ASN_COMPILED
  51 #include <yaz/ill.h>
  52 #endif
  53 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  54 #define sv_undef PL_sv_undef
  55 #endif
  56
  57 typedef struct {
  58         SV *handle;
  59
  60         SV *init_ref;
  61         SV *close_ref;
  62         SV *sort_ref;
  63         SV *search_ref;
  64         SV *fetch_ref;
  65         SV *present_ref;
  66         SV *esrequest_ref;
  67         SV *delete_ref;
  68         SV *scan_ref;
  69 } Zfront_handle;
  70
  71 SV *init_ref = NULL;
  72 SV *close_ref = NULL;
  73 SV *sort_ref = NULL;
  74 SV *search_ref = NULL;
  75 SV *fetch_ref = NULL;
  76 SV *present_ref = NULL;
  77 SV *esrequest_ref = NULL;
  78 SV *delete_ref = NULL;
  79 SV *scan_ref = NULL;
  80 int MAX_OID = 15;
  81
  82
  83 Z_GenericRecord *read_grs1(char *str, ODR o)
  84 {
  85         int type, ivalue;
  86         char line[512], *buf, *ptr, *original;
  87         char value[512];
  88         Z_GenericRecord *r = 0;
  89
  90         original = str;
  91         for (;;)
  92         {
  93                 Z_TaggedElement *t;
  94                 Z_ElementData *c;
  95
  96                 ptr = strchr(str, '\n');
  97                 if (!ptr) {
  98                         return r;
  99                 }
 100                 strncpy(line, str, ptr - str);
 101                 line[ptr - str] = 0;
 102                 buf = line;
 103                 str = ptr + 1;
 104                 while (*buf && isspace(*buf))
 105                         buf++;
 106                 if (*buf == '}') {
 107                         memmove(original, str, strlen(str));
 108                         return r;
 109                 }
 110                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 111                 {
 112                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 113                         return 0;
 114                 }
 115                 if (!type && *value == '0')
 116                         return r;
 117                 if (!(buf = strchr(buf, ')')))
 118                         return 0;
 119                 buf++;
 120                 while (*buf && isspace(*buf))
 121                         buf++;
 122                 if (!*buf)
 123                         return 0;
 124                 if (!r)
 125                 {
 126                         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 127                         r->elements = (Z_TaggedElement **)
 128                         odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 129                         r->num_elements = 0;
 130                 }
 131                 if (r->num_elements > GRS_MAX_FIELDS)
 132                 {
 133                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 134                         exit(0);
 135                 }
 136                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 137                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 138                 *t->tagType = type;
 139                 t->tagValue = (Z_StringOrNumeric *)
 140                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 141                 if ((ivalue = atoi(value)))
 142                 {
 143                         t->tagValue->which = Z_StringOrNumeric_numeric;
 144                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 145                         *t->tagValue->u.numeric = ivalue;
 146                 }
 147                 else
 148                 {
 149                         t->tagValue->which = Z_StringOrNumeric_string;
 150                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 151                         strcpy(t->tagValue->u.string, value);
 152                 }
 153                 t->tagOccurrence = 0;
 154                 t->metaData = 0;
 155                 t->appliedVariant = 0;
 156                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 157                 if (*buf == '{')
 158                 {
 159                         c->which = Z_ElementData_subtree;
 160                         c->u.subtree = read_grs1(str, o);
 161                 }
 162                 else
 163                 {
 164                         c->which = Z_ElementData_string;
 165 /*                      buf[strlen(buf)-1] = '\0';*/
 166                         buf[strlen(buf)] = '\0';
 167                         c->u.string = odr_strdup(o, buf);
 168                 }
 169                 r->num_elements++;
 170         }
 171 }
 172
 173
 174
 175
 176 static void oid2str(Odr_oid *o, WRBUF buf)
 177 {
 178     for (; *o >= 0; o++) {
 179         char ibuf[16];
 180         sprintf(ibuf, "%d", *o);
 181         wrbuf_puts(buf, ibuf);
 182         if (o[1] > 0)
 183             wrbuf_putc(buf, '.');
 184     }
 185 }
 186
 187
 188 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 189 {
 190     switch (s->which) {
 191         case Z_RPNStructure_simple: {
 192             Z_Operand *o = s->u.simple;
 193
 194             switch (o->which) {
 195                 case Z_Operand_APT: {
 196                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 197
 198                     if (at->attributes) {
 199                         int i;
 200                         char ibuf[16];
 201
 202                         for (i = 0; i < at->attributes->num_attributes; i++) {
 203                             wrbuf_puts(buf, "@attr ");
 204                             if (at->attributes->attributes[i]->attributeSet) {
 205                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 206                                 wrbuf_putc(buf, ' ');
 207                             }
 208                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 209                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 210                             wrbuf_puts(buf, ibuf);
 211                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 212                             wrbuf_puts(buf, ibuf);
 213                         }
 214                     }
 215                     switch (at->term->which) {
 216                         case Z_Term_general: {
 217                             wrbuf_putc(buf, '"');
 218                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 219                             wrbuf_puts(buf, "\" ");
 220                             break;
 221                         }
 222                         default: abort();
 223                     }
 224                     break;
 225                 }
 226                 default: abort();
 227             }
 228             break;
 229         }
 230         case Z_RPNStructure_complex: {
 231             Z_Complex *c = s->u.complex;
 232
 233             switch (c->roperator->which) {
 234                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 235                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 236                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 237                 case Z_Operator_prox: abort();
 238                 default: abort();
 239             }
 240             if (!rpn2pquery(c->s1, buf))
 241                 return 0;
 242             if (!rpn2pquery(c->s2, buf))
 243                 return 0;
 244             break;
 245         }
 246         default: abort();
 247     }
 248     return 1;
 249 }
 250
 251
 252 WRBUF zquery2pquery(Z_Query *q)
 253 {
 254     WRBUF buf = wrbuf_alloc();
 255
 256     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 257         return 0;
 258     if (q->u.type_1->attributeSetId) {
 259         /* Output attribute set ID */
 260         wrbuf_puts(buf, "@attrset ");
 261         oid2str(q->u.type_1->attributeSetId, buf);
 262         wrbuf_putc(buf, ' ');
 263     }
 264     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 265 }
 266
 267
 268 int bend_sort(void *handle, bend_sort_rr *rr)
 269 {
 270         HV *href;
 271         AV *aref;
 272         SV **temp;
 273         SV *err_code;
 274         SV *err_str;
 275         SV *status;
 276         STRLEN len;
 277         char *ptr;
 278         char *ODR_err_str;
 279         char **input_setnames;
 280         Zfront_handle *zhandle = (Zfront_handle *)handle;
 281         int i;
 282
 283         dSP;
 284         ENTER;
 285         SAVETMPS;
 286
 287         aref = newAV();
 288         input_setnames = rr->input_setnames;
 289         for (i = 0; i < rr->num_input_setnames; i++)
 290         {
 291                 av_push(aref, newSVpv(*input_setnames++, 0));
 292         }
 293         href = newHV();
 294         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 295         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 296         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 297         hv_store(href, "STATUS", 6, newSViv(0), 0);
 298
 299         PUSHMARK(sp);
 300
 301         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 302
 303         PUTBACK;
 304
 305         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 306
 307         SPAGAIN;
 308
 309         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 310         err_code = newSVsv(*temp);
 311
 312         temp = hv_fetch(href, "ERR_STR", 7, 1);
 313         err_str = newSVsv(*temp);
 314
 315         temp = hv_fetch(href, "STATUS", 6, 1);
 316         status = newSVsv(*temp);
 317
 318
 319
 320
 321         PUTBACK;
 322         FREETMPS;
 323         LEAVE;
 324
 325         hv_undef(href),
 326         av_undef(aref);
 327         rr->errcode = SvIV(err_code);
 328         rr->sort_status = SvIV(status);
 329         ptr = SvPV(err_str, len);
 330         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 331         strcpy(ODR_err_str, ptr);
 332         rr->errstring = ODR_err_str;
 333
 334         sv_free(err_code);
 335         sv_free(err_str);
 336         sv_free(status);
 337
 338         return 0;
 339 }
 340
 341
 342 int bend_search(void *handle, bend_search_rr *rr)
 343 {
 344         HV *href;
 345         AV *aref;
 346         SV **temp;
 347         SV *hits;
 348         SV *err_code;
 349         SV *err_str;
 350         char *ODR_errstr;
 351         STRLEN len;
 352         int i;
 353         char **basenames;
 354         int n;
 355         WRBUF query;
 356         char *ptr;
 357         SV *point;
 358         SV *ODR_point;
 359         Zfront_handle *zhandle = (Zfront_handle *)handle;
 360
 361         dSP;
 362         ENTER;
 363         SAVETMPS;
 364
 365         aref = newAV();
 366         basenames = rr->basenames;
 367         for (i = 0; i < rr->num_bases; i++)
 368         {
 369                 av_push(aref, newSVpv(*basenames++, 0));
 370         }
 371         href = newHV();
 372         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 373         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 374         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 375         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 376         hv_store(href, "HITS", 4, newSViv(0), 0);
 377         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 378         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 379         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 380         query = zquery2pquery(rr->query);
 381         if (query)
 382         {
 383                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 384         }
 385         else
 386         {
 387                 rr->errcode = 108;
 388         }
 389         PUSHMARK(sp);
 390
 391         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 392
 393         PUTBACK;
 394
 395         n = perl_call_sv(search_ref, G_SCALAR | G_DISCARD);
 396
 397         SPAGAIN;
 398
 399         temp = hv_fetch(href, "HITS", 4, 1);
 400         hits = newSVsv(*temp);
 401
 402         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 403         err_code = newSVsv(*temp);
 404
 405         temp = hv_fetch(href, "ERR_STR", 7, 1);
 406         err_str = newSVsv(*temp);
 407
 408         temp = hv_fetch(href, "HANDLE", 6, 1);
 409         point = newSVsv(*temp);
 410
 411         PUTBACK;
 412         FREETMPS;
 413         LEAVE;
 414
 415         hv_undef(href);
 416         av_undef(aref);
 417         rr->hits = SvIV(hits);
 418         rr->errcode = SvIV(err_code);
 419         ptr = SvPV(err_str, len);
 420         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 421         strcpy(ODR_errstr, ptr);
 422         rr->errstring = ODR_errstr;
 423 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 424         memcpy(ODR_point, point, sizeof(*point));
 425         zhandle->handle = ODR_point;*/
 426         zhandle->handle = point;
 427         handle = zhandle;
 428         sv_free(hits);
 429         sv_free(err_code);
 430         sv_free(err_str);
 431         sv_free( (SV*) aref);
 432         sv_free( (SV*) href);
 433         /*sv_free(point);*/
 434         wrbuf_free(query, 1);
 435         return 0;
 436 }
 437
 438
 439 WRBUF oid2dotted(int *oid)
 440 {
 441
 442         WRBUF buf = wrbuf_alloc();
 443         int dot = 0;
 444
 445         for (; *oid != -1 ; oid++)
 446         {
 447                 char ibuf[16];
 448                 if (dot)
 449                 {
 450                         wrbuf_putc(buf, '.');
 451                 }
 452                 else
 453                 {
 454                         dot = 1;
 455                 }
 456                 sprintf(ibuf, "%d", *oid);
 457                 wrbuf_puts(buf, ibuf);
 458         }
 459         return buf;
 460 }
 461
 462
 463 int dotted2oid(char *dotted, int *buffer)
 464 {
 465         int *oid;
 466         char ibuf[16];
 467         char *ptr;
 468         int n = 0;
 469
 470         ptr = ibuf;
 471         oid = buffer;
 472         while (*dotted)
 473         {
 474                 if (*dotted == '.')
 475                 {
 476                         n++;
 477                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 478                         {
 479                                 *oid = -1;
 480                                 return -1;
 481                         }
 482                         *ptr = 0;
 483                         sscanf(ibuf, "%d", oid++);
 484                         ptr = ibuf;
 485                         dotted++;
 486
 487                 }
 488                 else
 489                 {
 490                         *ptr++ = *dotted++;
 491                 }
 492         }
 493         if (n < MAX_OID)
 494         {
 495                 *ptr = 0;
 496                 sscanf(ibuf, "%d", oid++);
 497         }
 498         *oid = -1;
 499         return 0;
 500 }
 501
 502
 503 int bend_fetch(void *handle, bend_fetch_rr *rr)
 504 {
 505         HV *href;
 506         SV **temp;
 507         SV *basename;
 508         SV *record;
 509         SV *last;
 510         SV *err_code;
 511         SV *err_string;
 512         SV *sur_flag;
 513         SV *point;
 514         SV *rep_form;
 515         char *ptr;
 516         char *ODR_record;
 517         char *ODR_basename;
 518         char *ODR_errstr;
 519         int *ODR_oid_buf;
 520         oident *oid;
 521         WRBUF oid_dotted;
 522         Zfront_handle *zhandle = (Zfront_handle *)handle;
 523
 524         Z_RecordComposition *composition;
 525         Z_ElementSetNames *simple;
 526         STRLEN length;
 527
 528         dSP;
 529         ENTER;
 530         SAVETMPS;
 531
 532         rr->errcode = 0;
 533         href = newHV();
 534         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 535         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 536         oid_dotted = oid2dotted(rr->request_format_raw);
 537         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 538         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 539         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 540         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 541         hv_store(href, "LAST", 4, newSViv(0), 0);
 542         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 543         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 544         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 545         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 546         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 547         if (rr->comp)
 548         {
 549                 composition = rr->comp;
 550                 if (composition->which == Z_RecordComp_simple)
 551                 {
 552                         simple = composition->u.simple;
 553                         if (simple->which == Z_ElementSetNames_generic)
 554                         {
 555                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 556                         }
 557                         else
 558                         {
 559                                 rr->errcode = 26;
 560                         }
 561                 }
 562                 else
 563                 {
 564                         rr->errcode = 26;
 565                 }
 566         }
 567
 568         PUSHMARK(sp);
 569
 570         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 571
 572         PUTBACK;
 573
 574         perl_call_sv(fetch_ref, G_SCALAR | G_DISCARD);
 575
 576         SPAGAIN;
 577
 578         temp = hv_fetch(href, "BASENAME", 8, 1);
 579         basename = newSVsv(*temp);
 580
 581         temp = hv_fetch(href, "RECORD", 6, 1);
 582         record = newSVsv(*temp);
 583
 584         temp = hv_fetch(href, "LAST", 4, 1);
 585         last = newSVsv(*temp);
 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_string = newSVsv(*temp);
 592
 593         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 594         sur_flag = newSVsv(*temp);
 595
 596         temp = hv_fetch(href, "REP_FORM", 8, 1);
 597         rep_form = newSVsv(*temp);
 598
 599         temp = hv_fetch(href, "HANDLE", 6, 1);
 600         point = newSVsv(*temp);
 601
 602         PUTBACK;
 603         FREETMPS;
 604         LEAVE;
 605
 606         hv_undef(href);
 607
 608         ptr = SvPV(basename, length);
 609         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 610         strcpy(ODR_basename, ptr);
 611         rr->basename = ODR_basename;
 612
 613         ptr = SvPV(rep_form, length);
 614         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 615         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 616         {
 617                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 618         }
 619         rr->output_format_raw = ODR_oid_buf;
 620
 621         ptr = SvPV(record, length);
 622         oid = oid_getentbyoid(ODR_oid_buf);
 623         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 624         {
 625                 rr->record = (char *) read_grs1(ptr, rr->stream);
 626                 rr->len = -1;
 627         }
 628         else
 629         {
 630                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 631                 strcpy(ODR_record, ptr);
 632                 rr->record = ODR_record;
 633                 rr->len = length;
 634         }
 635         zhandle->handle = point;
 636         handle = zhandle;
 637         rr->last_in_set = SvIV(last);
 638
 639         if (!(rr->errcode))
 640         {
 641                 rr->errcode = SvIV(err_code);
 642                 ptr = SvPV(err_string, length);
 643                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 644                 strcpy(ODR_errstr, ptr);
 645                 rr->errstring = ODR_errstr;
 646         }
 647         rr->surrogate_flag = SvIV(sur_flag);
 648
 649         wrbuf_free(oid_dotted, 1);
 650         sv_free((SV*) href);
 651         sv_free(basename);
 652         sv_free(record);
 653         sv_free(last);
 654         sv_free(err_string);
 655         sv_free(err_code),
 656         sv_free(sur_flag);
 657         sv_free(rep_form);
 658
 659         return 0;
 660 }
 661
 662
 663 int bend_present(void *handle, bend_present_rr *rr)
 664 {
 665
 666         HV *href;
 667         SV **temp;
 668         SV *err_code;
 669         SV *err_string;
 670         SV *hits;
 671         SV *point;
 672         STRLEN len;
 673         Z_RecordComposition *composition;
 674         Z_ElementSetNames *simple;
 675         char *ODR_errstr;
 676         char *ptr;
 677         Zfront_handle *zhandle = (Zfront_handle *)handle;
 678
 679 /*      WRBUF oid_dotted; */
 680
 681         dSP;
 682         ENTER;
 683         SAVETMPS;
 684
 685         href = newHV();
 686         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 687         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 688         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 689         hv_store(href, "START", 5, newSViv(rr->start), 0);
 690         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 691         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 692         /*oid_dotted = oid2dotted(rr->request_format_raw);
 693         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 694         hv_store(href, "HITS", 4, newSViv(0), 0);
 695         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 696         if (rr->comp)
 697         {
 698                 composition = rr->comp;
 699                 if (composition->which == Z_RecordComp_simple)
 700                 {
 701                         simple = composition->u.simple;
 702                         if (simple->which == Z_ElementSetNames_generic)
 703                         {
 704                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 705                         }
 706                         else
 707                         {
 708                                 rr->errcode = 26;
 709                                 return 0;
 710                         }
 711                 }
 712                 else
 713                 {
 714                         rr->errcode = 26;
 715                         return 0;
 716                 }
 717         }
 718
 719         PUSHMARK(sp);
 720
 721         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 722
 723         PUTBACK;
 724
 725         perl_call_sv(present_ref, G_SCALAR | G_DISCARD);
 726
 727         SPAGAIN;
 728
 729         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 730         err_code = newSVsv(*temp);
 731
 732         temp = hv_fetch(href, "ERR_STR", 7, 1);
 733         err_string = newSVsv(*temp);
 734
 735         temp = hv_fetch(href, "HITS", 4, 1);
 736         hits = newSVsv(*temp);
 737
 738         temp = hv_fetch(href, "HANDLE", 6, 1);
 739         point = newSVsv(*temp);
 740
 741         PUTBACK;
 742         FREETMPS;
 743         LEAVE;
 744
 745         hv_undef(href);
 746         rr->errcode = SvIV(err_code);
 747         rr->hits = SvIV(hits);
 748
 749         ptr = SvPV(err_string, len);
 750         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 751         strcpy(ODR_errstr, ptr);
 752         rr->errstring = ODR_errstr;
 753 /*      wrbuf_free(oid_dotted, 1);*/
 754         zhandle->handle = point;
 755         handle = zhandle;
 756         sv_free(err_code);
 757         sv_free(err_string);
 758         sv_free(hits);
 759         sv_free( (SV*) href);
 760
 761         return 0;
 762 }
 763
 764
 765 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
 766 {
 767         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
 768         return 0;
 769 }
 770
 771
 772 int bend_delete(void *handle, bend_delete_rr *rr)
 773 {
 774         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
 775         return 0;
 776 }
 777
 778
 779 int bend_scan(void *handle, bend_scan_rr *rr)
 780 {
 781         HV *href;
 782         AV *aref;
 783         AV *list;
 784         AV *entries;
 785         HV *scan_item;
 786         struct scan_entry *scan_list;
 787         struct scan_entry *buffer;
 788         int *step_size = rr->step_size;
 789         int i;
 790         char **basenames;
 791         SV **temp;
 792         SV *list_ref = sv_newmortal();
 793         SV *err_code = sv_newmortal();
 794         SV *err_str = sv_newmortal();
 795         SV *point = sv_newmortal();
 796         SV *status = sv_newmortal();
 797         SV *number = sv_newmortal();
 798         char *ptr;
 799         char *ODR_errstr;
 800         STRLEN len;
 801
 802         Zfront_handle *zhandle = (Zfront_handle *)handle;
 803
 804         dSP;
 805         ENTER;
 806         SAVETMPS;
 807         href = newHV();
 808         list = newAV();
 809         if (rr->term->term->which == Z_Term_general)
 810         {
 811                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, 0), 0);
 812         } else {
 813                 rr->errcode = 229;      /* Unsupported term type */
 814                 return 0;
 815         }
 816         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
 817         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
 818         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
 819         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 820         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 821         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 822         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
 823         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
 824         aref = newAV();
 825         basenames = rr->basenames;
 826         for (i = 0; i < rr->num_bases; i++)
 827         {
 828                 av_push(aref, newSVpv(*basenames++, 0));
 829         }
 830         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 831
 832         PUSHMARK(sp);
 833
 834         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 835
 836         PUTBACK;
 837
 838         perl_call_sv(scan_ref, G_SCALAR | G_DISCARD);
 839
 840         SPAGAIN;
 841
 842         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 843         err_code = newSVsv(*temp);
 844
 845         temp = hv_fetch(href, "ERR_STR", 7, 1);
 846         err_str = newSVsv(*temp);
 847
 848         temp = hv_fetch(href, "HANDLE", 6, 1);
 849         point = newSVsv(*temp);
 850
 851         temp = hv_fetch(href, "STATUS", 6, 1);
 852         status = newSVsv(*temp);
 853
 854         temp = hv_fetch(href, "NUMBER", 6, 1);
 855         number = newSVsv(*temp);
 856
 857         temp = hv_fetch(href, "ENTRIES", 7, 1);
 858         list_ref = newSVsv(*temp);
 859         entries = (AV *)SvRV(list_ref);
 860
 861         PUTBACK;
 862         FREETMPS;
 863         LEAVE;
 864
 865         ptr = SvPV(err_str, len);
 866         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 867         strcpy(ODR_errstr, ptr);
 868         rr->errstring = ODR_errstr;
 869         rr->errcode = SvIV(err_code);
 870         rr->num_entries = SvIV(number);
 871         rr->status = SvIV(status);
 872         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
 873         buffer = scan_list;
 874         for (i = 0; i < rr->num_entries; i++)
 875         {
 876                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
 877                 temp = hv_fetch(scan_item, "TERM", 4, 1);
 878                 ptr = SvPV(*temp, len);
 879                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
 880                 strcpy(buffer->term, ptr);
 881                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
 882                 buffer->occurrences = SvIV(*temp);
 883                 buffer++;
 884                 hv_undef(scan_item);
 885         }
 886         rr->entries = scan_list;
 887         zhandle->handle = point;
 888         handle = zhandle;
 889         /*sv_free(list_ref);*/
 890         sv_free(err_code);
 891         sv_free(err_str);
 892         sv_free(status);
 893         sv_free(number);
 894         /*sv_free(point);*/
 895         hv_undef(href);
 896         av_undef(aref);
 897         av_undef(list);
 898         av_undef(entries);
 899
 900         return 0;
 901 }
 902
 903
 904 bend_initresult *bend_init(bend_initrequest *q)
 905 {
 906         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 907         HV *href;
 908         SV **temp;
 909         SV *name;
 910         SV *ver;
 911         SV *err_str;
 912         SV *status;
 913         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
 914         STRLEN len;
 915         int n;
 916         SV *handle;
 917         /*char *name_ptr;
 918         char *ver_ptr;*/
 919         char *ptr;
 920
 921         dSP;
 922         ENTER;
 923         SAVETMPS;
 924
 925         /*q->bend_sort = bend_sort;*/
 926         if (search_ref)
 927         {
 928                 q->bend_search = bend_search;
 929         }
 930         if (present_ref)
 931         {
 932                 q->bend_present = bend_present;
 933         }
 934         /*q->bend_esrequest = bend_esrequest;*/
 935         /*q->bend_delete = bend_delete;*/
 936         if (fetch_ref)
 937         {
 938                 q->bend_fetch = bend_fetch;
 939         }
 940         if (scan_ref)
 941         {
 942                 q->bend_scan = bend_scan;
 943         }
 944         href = newHV();
 945         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
 946         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
 947         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 948         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
 949         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
 950         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 951
 952         PUSHMARK(sp);
 953
 954         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 955
 956         PUTBACK;
 957
 958         if (init_ref != NULL)
 959         {
 960                 perl_call_sv(init_ref, G_SCALAR | G_DISCARD);
 961         }
 962
 963         SPAGAIN;
 964
 965         temp = hv_fetch(href, "IMP_NAME", 8, 1);
 966         name = newSVsv(*temp);
 967
 968         temp = hv_fetch(href, "IMP_VER", 7, 1);
 969         ver = newSVsv(*temp);
 970
 971         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 972         status = newSVsv(*temp);
 973
 974         temp = hv_fetch(href, "HANDLE", 6, 1);
 975         handle= newSVsv(*temp);
 976
 977         hv_undef(href);
 978         PUTBACK;
 979         FREETMPS;
 980         LEAVE;
 981         zhandle->handle = handle;
 982         r->errcode = SvIV(status);
 983         r->handle = zhandle;
 984         ptr = SvPV(name, len);
 985         q->implementation_name = (char *)xmalloc(len + 1);
 986         strcpy(q->implementation_name, ptr);
 987 /*      q->implementation_name = SvPV(name, len);*/
 988         ptr = SvPV(ver, len);
 989         q->implementation_version = (char *)xmalloc(len + 1);
 990         strcpy(q->implementation_version, ptr);
 991
 992         return r;
 993 }
 994
 995
 996 void bend_close(void *handle)
 997 {
 998         HV *href;
 999         Zfront_handle *zhandle = (Zfront_handle *)handle;
1000         SV **temp;
1001
1002         dSP;
1003         ENTER;
1004         SAVETMPS;
1005
1006         if (close_ref == NULL)
1007         {
1008                 return;
1009         }
1010
1011         href = newHV();
1012         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1013
1014         PUSHMARK(sp);
1015
1016         XPUSHs(sv_2mortal(newRV((SV *)href)));
1017
1018         PUTBACK;
1019
1020         perl_call_sv(close_ref, G_SCALAR | G_DISCARD);
1021
1022         SPAGAIN;
1023
1024         PUTBACK;
1025         FREETMPS;
1026         LEAVE;
1027
1028         xfree(handle);
1029
1030         return;
1031 }
1032
1033
1034 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1035
1036 void
1037 set_init_handler(arg)
1038                 SV *arg
1039         CODE:
1040                 init_ref = newSVsv(arg);
1041
1042
1043 void
1044 set_close_handler(arg)
1045                 SV *arg
1046         CODE:
1047                 close_ref = newSVsv(arg);
1048
1049
1050 void
1051 set_sort_handler(arg)
1052                 SV *arg
1053         CODE:
1054                 sort_ref = newSVsv(arg);
1055
1056 void
1057 set_search_handler(arg)
1058                 SV *arg
1059         CODE:
1060                 search_ref = newSVsv(arg);
1061
1062
1063 void
1064 set_fetch_handler(arg)
1065                 SV *arg
1066         CODE:
1067                 fetch_ref = newSVsv(arg);
1068
1069
1070 void
1071 set_present_handler(arg)
1072                 SV *arg
1073         CODE:
1074                 present_ref = newSVsv(arg);
1075
1076
1077 void
1078 set_esrequest_handler(arg)
1079                 SV *arg
1080         CODE:
1081                 esrequest_ref = newSVsv(arg);
1082
1083
1084 void
1085 set_delete_handler(arg)
1086                 SV *arg
1087         CODE:
1088                 delete_ref = newSVsv(arg);
1089
1090
1091 void
1092 set_scan_handler(arg)
1093                 SV *arg
1094         CODE:
1095                 scan_ref = newSVsv(arg);
1096
1097
1098 int
1099 start_server(...)
1100         PREINIT:
1101                 char **argv;
1102                 char **argv_buf;
1103                 char *ptr;
1104                 int i;
1105                 STRLEN len;
1106         CODE:
1107                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1108                 argv = argv_buf;
1109                 for (i = 0; i < items; i++)
1110                 {
1111                         ptr = SvPV(ST(i), len);
1112                         *argv_buf = (char *)xmalloc(len + 1);
1113                         strcpy(*argv_buf++, ptr);
1114                 }
1115                 *argv_buf = NULL;
1116
1117                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1118         OUTPUT:
1119                 RETVAL