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         perl_call_sv(sort_ref, G_VOID | G_DISCARD | G_NOARGS);
 162         return;
 163 }
 164
 165
 166 int bend_search(void *handle, bend_search_rr *rr)
 167 {
 168         HV *href;
 169         AV *aref;
 170         SV **temp;
 171         SV *hits;
 172         SV *err_code;
 173         SV *err_str;
 174         char *ODR_errstr;
 175         STRLEN len;
 176         int i;
 177         char **basenames;
 178         int n;
 179         WRBUF query;
 180         char *ptr;
 181         SV *point;
 182         SV *ODR_point;
 183         Zfront_handle *zhandle = (Zfront_handle *)handle;
 184
 185         dSP;
 186         ENTER;
 187         SAVETMPS;
 188
 189         aref = newAV();
 190         basenames = rr->basenames;
 191         for (i = 0; i < rr->num_bases; i++)
 192         {
 193                 av_push(aref, newSVpv(*basenames++, 0));
 194         }
 195         href = newHV();
 196         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 197         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 198         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 199         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 200         hv_store(href, "HITS", 4, newSViv(0), 0);
 201         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 202         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 203         query = zquery2pquery(rr->query);
 204         if (query)
 205         {
 206                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 207         }
 208         else
 209         {
 210                 rr->errcode = 108;
 211         }
 212         PUSHMARK(sp);
 213
 214         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 215
 216         PUTBACK;
 217
 218         n = perl_call_sv(search_ref, G_SCALAR | G_DISCARD);
 219
 220         SPAGAIN;
 221
 222         temp = hv_fetch(href, "HITS", 4, 1);
 223         hits = newSVsv(*temp);
 224
 225         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 226         err_code = newSVsv(*temp);
 227
 228         temp = hv_fetch(href, "ERR_STR", 7, 1);
 229         err_str = newSVsv(*temp);
 230
 231         temp = hv_fetch(href, "HANDLE", 6, 1);
 232         point = newSVsv(*temp);
 233
 234         PUTBACK;
 235         FREETMPS;
 236         LEAVE;
 237
 238         hv_undef(href);
 239         av_undef(aref);
 240         rr->hits = SvIV(hits);
 241         rr->errcode = SvIV(err_code);
 242         ptr = SvPV(err_str, len);
 243         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 244         strcpy(ODR_errstr, ptr);
 245         rr->errstring = ODR_errstr;
 246 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 247         memcpy(ODR_point, point, sizeof(*point));
 248         zhandle->handle = ODR_point;*/
 249         zhandle->handle = point;
 250         handle = zhandle;
 251         sv_free(hits);
 252         sv_free(err_code);
 253         sv_free(err_str);
 254         sv_free( (SV*) aref);
 255         sv_free( (SV*) href);
 256         /*sv_free(point);*/
 257         wrbuf_free(query, 1);
 258         return 0;
 259 }
 260
 261
 262 WRBUF oid2dotted(int *oid)
 263 {
 264
 265         WRBUF buf = wrbuf_alloc();
 266         int dot = 0;
 267
 268         for (; *oid != -1 ; oid++)
 269         {
 270                 char ibuf[16];
 271                 if (dot)
 272                 {
 273                         wrbuf_putc(buf, '.');
 274                 }
 275                 else
 276                 {
 277                         dot = 1;
 278                 }
 279                 sprintf(ibuf, "%d", *oid);
 280                 wrbuf_puts(buf, ibuf);
 281         }
 282         return buf;
 283 }
 284
 285
 286 int dotted2oid(char *dotted, int *buffer)
 287 {
 288         int *oid;
 289         char ibuf[16];
 290         char *ptr;
 291         int n = 0;
 292
 293         ptr = ibuf;
 294         oid = buffer;
 295         while (*dotted)
 296         {
 297                 if (*dotted == '.')
 298                 {
 299                         n++;
 300                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 301                         {
 302                                 *oid = -1;
 303                                 return -1;
 304                         }
 305                         *ptr = 0;
 306                         sscanf(ibuf, "%d", oid++);
 307                         ptr = ibuf;
 308                         dotted++;
 309
 310                 }
 311                 else
 312                 {
 313                         *ptr++ = *dotted++;
 314                 }
 315         }
 316         if (n < MAX_OID)
 317         {
 318                 *ptr = 0;
 319                 sscanf(ibuf, "%d", oid++);
 320         }
 321         *oid = -1;
 322         return 0;
 323 }
 324
 325
 326 int bend_fetch(void *handle, bend_fetch_rr *rr)
 327 {
 328         HV *href;
 329         SV **temp;
 330         SV *basename;
 331         SV *record;
 332         SV *last;
 333         SV *err_code;
 334         SV *err_string;
 335         SV *sur_flag;
 336         SV *point;
 337         SV *rep_form;
 338         char *ptr;
 339         char *ODR_record;
 340         char *ODR_basename;
 341         char *ODR_errstr;
 342         int *ODR_oid_buf;
 343         WRBUF oid_dotted;
 344         Zfront_handle *zhandle = (Zfront_handle *)handle;
 345
 346         Z_RecordComposition *composition;
 347         Z_ElementSetNames *simple;
 348         STRLEN length;
 349         int oid;
 350
 351         dSP;
 352         ENTER;
 353         SAVETMPS;
 354
 355         rr->errcode = 0;
 356         href = newHV();
 357         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 358         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 359         oid_dotted = oid2dotted(rr->request_format_raw);
 360         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 361         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 362         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 363         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 364         hv_store(href, "LAST", 4, newSViv(0), 0);
 365         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 366         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 367         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 368         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 369         if (rr->comp)
 370         {
 371                 composition = rr->comp;
 372                 if (composition->which == Z_RecordComp_simple)
 373                 {
 374                         simple = composition->u.simple;
 375                         if (simple->which == 1)
 376                         {
 377                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 378                         }
 379                         else
 380                         {
 381                                 rr->errcode = 26;
 382                         }
 383                 }
 384                 else
 385                 {
 386                         rr->errcode = 26;
 387                 }
 388         }
 389
 390         PUSHMARK(sp);
 391
 392         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 393
 394         PUTBACK;
 395
 396         perl_call_sv(fetch_ref, G_SCALAR | G_DISCARD);
 397
 398         SPAGAIN;
 399
 400         temp = hv_fetch(href, "BASENAME", 8, 1);
 401         basename = newSVsv(*temp);
 402
 403         temp = hv_fetch(href, "RECORD", 6, 1);
 404         record = newSVsv(*temp);
 405
 406         temp = hv_fetch(href, "LAST", 4, 1);
 407         last = newSVsv(*temp);
 408
 409         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 410         err_code = newSVsv(*temp);
 411
 412         temp = hv_fetch(href, "ERR_STR", 7, 1),
 413         err_string = newSVsv(*temp);
 414
 415         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 416         sur_flag = newSVsv(*temp);
 417
 418         temp = hv_fetch(href, "REP_FORM", 8, 1);
 419         rep_form = newSVsv(*temp);
 420
 421         temp = hv_fetch(href, "HANDLE", 6, 1);
 422         point = newSVsv(*temp);
 423
 424         PUTBACK;
 425         FREETMPS;
 426         LEAVE;
 427
 428         hv_undef(href);
 429
 430         ptr = SvPV(basename, length);
 431         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 432         strcpy(ODR_basename, ptr);
 433         rr->basename = ODR_basename;
 434
 435         ptr = SvPV(rep_form, length);
 436         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 437         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 438         {
 439                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 440         }
 441         rr->output_format_raw = ODR_oid_buf;
 442
 443         ptr = SvPV(record, length);
 444         ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 445         strcpy(ODR_record, ptr);
 446         rr->record = ODR_record;
 447         rr->len = length;
 448
 449         zhandle->handle = point;
 450         handle = zhandle;
 451         rr->last_in_set = SvIV(last);
 452
 453         if (!(rr->errcode))
 454         {
 455                 rr->errcode = SvIV(err_code);
 456                 ptr = SvPV(err_string, length);
 457                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 458                 strcpy(ODR_errstr, ptr);
 459                 rr->errstring = ODR_errstr;
 460         }
 461         rr->surrogate_flag = SvIV(sur_flag);
 462
 463         wrbuf_free(oid_dotted, 1);
 464         sv_free((SV*) href);
 465         sv_free(basename);
 466         sv_free(record);
 467         sv_free(last);
 468         sv_free(err_string);
 469         sv_free(err_code),
 470         sv_free(sur_flag);
 471         sv_free(rep_form);
 472
 473         return 0;
 474 }
 475
 476
 477 int bend_present(void *handle, bend_present_rr *rr)
 478 {
 479
 480         int n;
 481         HV *href;
 482         SV **temp;
 483         SV *err_code;
 484         SV *err_string;
 485         STRLEN len;
 486         Z_RecordComposition *composition;
 487         Z_ElementSetNames *simple;
 488         char *ODR_errstr;
 489         char *ptr;
 490
 491         dSP;
 492         ENTER;
 493         SAVETMPS;
 494
 495         href = newHV();
 496         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 497         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 498         hv_store(href, "START", 5, newSViv(rr->start), 0);
 499         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 500         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 501         if (rr->comp)
 502         {
 503                 composition = rr->comp;
 504                 if (composition->which == 1)
 505                 {
 506                         simple = composition->u.simple;
 507                         if (simple->which == 1)
 508                         {
 509                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 510                         }
 511                         else
 512                         {
 513                                 rr->errcode = 26;
 514                                 return 0;
 515                         }
 516                 }
 517                 else
 518                 {
 519                         rr->errcode = 26;
 520                         return 0;
 521                 }
 522         }
 523
 524         PUSHMARK(sp);
 525
 526         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 527
 528         PUTBACK;
 529
 530         n = perl_call_sv(present_ref, G_SCALAR | G_DISCARD);
 531
 532         SPAGAIN;
 533
 534         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 535         err_code = newSVsv(*temp);
 536
 537         temp = hv_fetch(href, "ERR_STR", 7, 1);
 538         err_string = newSVsv(*temp);
 539
 540         PUTBACK;
 541         FREETMPS;
 542         LEAVE;
 543
 544         hv_undef(href);
 545         rr->errcode = SvIV(err_code);
 546
 547         ptr = SvPV(err_string, len);
 548         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 549         strcpy(ODR_errstr, ptr);
 550         rr->errstring = ODR_errstr;
 551
 552         sv_free(err_code);
 553         sv_free(err_string);
 554         sv_free( (SV*) href);
 555
 556         return 0;
 557 }
 558
 559
 560 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
 561 {
 562         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
 563         return 0;
 564 }
 565
 566
 567 int bend_delete(void *handle, bend_delete_rr *rr)
 568 {
 569         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
 570         return 0;
 571 }
 572
 573
 574 int bend_scan(void *handle, bend_scan_rr *rr)
 575 {
 576         perl_call_sv(scan_ref, G_VOID | G_DISCARD | G_NOARGS);
 577         return 0;
 578 }
 579
 580
 581 bend_initresult *bend_init(bend_initrequest *q)
 582 {
 583         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
 584         HV *href;
 585         SV **temp;
 586         SV *name;
 587         SV *ver;
 588         SV *err_str;
 589         SV *status;
 590         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
 591         STRLEN len;
 592         int n;
 593         SV *handle;
 594         /*char *name_ptr;
 595         char *ver_ptr;*/
 596         char *ptr;
 597
 598         dSP;
 599         ENTER;
 600         SAVETMPS;
 601
 602         /*q->bend_sort = bend_sort;*/
 603         if (search_ref)
 604         {
 605                 q->bend_search = bend_search;
 606         }
 607         /*q->bend_present = present;*/
 608         /*q->bend_esrequest = bend_esrequest;*/
 609         /*q->bend_delete = bend_delete;*/
 610         if (fetch_ref)
 611         {
 612                 q->bend_fetch = bend_fetch;
 613         }
 614         /*q->bend_scan = bend_scan;*/
 615         href = newHV();
 616         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
 617         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
 618         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 619         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
 620
 621         PUSHMARK(sp);
 622
 623         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 624
 625         PUTBACK;
 626
 627         if (init_ref != NULL)
 628         {
 629                 perl_call_sv(init_ref, G_SCALAR | G_DISCARD);
 630         }
 631
 632         SPAGAIN;
 633
 634         temp = hv_fetch(href, "IMP_NAME", 8, 1);
 635         name = newSVsv(*temp);
 636
 637         temp = hv_fetch(href, "IMP_VER", 7, 1);
 638         ver = newSVsv(*temp);
 639
 640         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 641         status = newSVsv(*temp);
 642
 643         temp = hv_fetch(href, "HANDLE", 6, 1);
 644         handle= newSVsv(*temp);
 645
 646         hv_undef(href);
 647         PUTBACK;
 648         FREETMPS;
 649         LEAVE;
 650         zhandle->handle = handle;
 651         r->errcode = SvIV(status);
 652         r->handle = zhandle;
 653         ptr = SvPV(name, len);
 654         q->implementation_name = (char *)xmalloc(len + 1);
 655         strcpy(q->implementation_name, ptr);
 656 /*      q->implementation_name = SvPV(name, len);*/
 657         ptr = SvPV(ver, len);
 658         q->implementation_version = (char *)xmalloc(len + 1);
 659         strcpy(q->implementation_version, ptr);
 660
 661         return r;
 662 }
 663
 664
 665 void bend_close(void *handle)
 666 {
 667         HV *href;
 668         Zfront_handle *zhandle = (Zfront_handle *)handle;
 669         SV **temp;
 670
 671         dSP;
 672         ENTER;
 673         SAVETMPS;
 674
 675         if (close_ref == NULL)
 676         {
 677                 return;
 678         }
 679
 680         href = newHV();
 681         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 682
 683         PUSHMARK(sp);
 684
 685         XPUSHs(sv_2mortal(newRV((SV *)href)));
 686
 687         PUTBACK;
 688
 689         perl_call_sv(close_ref, G_SCALAR | G_DISCARD);
 690
 691         SPAGAIN;
 692
 693         PUTBACK;
 694         FREETMPS;
 695         LEAVE;
 696
 697         xfree(handle);
 698
 699         return;
 700 }
 701
 702
 703 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
 704
 705 void
 706 set_init_handler(arg)
 707                 SV *arg
 708         CODE:
 709                 init_ref = newSVsv(arg);
 710
 711
 712 void
 713 set_close_handler(arg)
 714                 SV *arg
 715         CODE:
 716                 close_ref = newSVsv(arg);
 717
 718
 719 void
 720 set_sort_handler(arg)
 721                 SV *arg
 722         CODE:
 723                 sort_ref = newSVsv(arg);
 724
 725 void
 726 set_search_handler(arg)
 727                 SV *arg
 728         CODE:
 729                 search_ref = newSVsv(arg);
 730
 731
 732 void
 733 set_fetch_handler(arg)
 734                 SV *arg
 735         CODE:
 736                 fetch_ref = newSVsv(arg);
 737
 738
 739 void
 740 set_present_handler(arg)
 741                 SV *arg
 742         CODE:
 743                 present_ref = newSVsv(arg);
 744
 745
 746 void
 747 set_esrequest_handler(arg)
 748                 SV *arg
 749         CODE:
 750                 esrequest_ref = newSVsv(arg);
 751
 752
 753 void
 754 set_delete_handler(arg)
 755                 SV *arg
 756         CODE:
 757                 delete_ref = newSVsv(arg);
 758
 759
 760 void
 761 set_scan_handler(arg)
 762                 SV *arg
 763         CODE:
 764                 scan_ref = newSVsv(arg);
 765
 766
 767 int
 768 start_server(...)
 769         PREINIT:
 770                 char **argv;
 771                 char **argv_buf;
 772                 char *ptr;
 773                 int i;
 774                 STRLEN len;
 775         CODE:
 776                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
 777                 argv = argv_buf;
 778                 for (i = 0; i < items; i++)
 779                 {
 780                         ptr = SvPV(ST(i), len);
 781                         *argv_buf = (char *)xmalloc(len + 1);
 782                         strcpy(*argv_buf++, ptr);
 783                 }
 784                 *argv_buf = NULL;
 785
 786                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
 787         OUTPUT:
 788                 RETVAL