SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.24 2004-05-13 19:04:28 adam 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 "embed.h"
  33 #include "XSUB.h"
  34 #include <yaz/backend.h>
  35 #include <yaz/log.h>
  36 #include <yaz/wrbuf.h>
  37 #include <stdio.h>
  38 #ifdef WIN32
  39 #else
  40 #include <unistd.h>
  41 #endif
  42 #include <stdlib.h>
  43 #include <ctype.h>
  44 #define GRS_MAX_FIELDS 500
  45 #ifdef ASN_COMPILED
  46 #include <yaz/ill.h>
  47 #endif
  48 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  49 #define sv_undef PL_sv_undef
  50 #endif
  51
  52 NMEM_MUTEX simpleserver_mutex;
  53
  54 typedef struct {
  55         SV *handle;
  56
  57         SV *init_ref;
  58         SV *close_ref;
  59         SV *sort_ref;
  60         SV *search_ref;
  61         SV *fetch_ref;
  62         SV *present_ref;
  63         SV *esrequest_ref;
  64         SV *delete_ref;
  65         SV *scan_ref;
  66 } Zfront_handle;
  67
  68 SV *init_ref = NULL;
  69 SV *close_ref = NULL;
  70 SV *sort_ref = NULL;
  71 SV *search_ref = NULL;
  72 SV *fetch_ref = NULL;
  73 SV *present_ref = NULL;
  74 SV *esrequest_ref = NULL;
  75 SV *delete_ref = NULL;
  76 SV *scan_ref = NULL;
  77 PerlInterpreter *root_perl_context;
  78 int MAX_OID = 15;
  79
  80 #define GRS_BUF_SIZE 512
  81
  82 CV * simpleserver_sv2cv(SV *handler) {
  83     STRLEN len;
  84     char *buf;
  85
  86     if (SvPOK(handler)) {
  87         CV *ret;
  88         buf = SvPV( handler, len);
  89         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
  90             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
  91             exit(1);
  92         }
  93
  94         return ret;
  95     } else {
  96         return (CV *) handler;
  97     }
  98 }
  99
 100 /* debuggin routine to check for destruction of Perl interpreters */
 101 #if 0
 102 int tst_clones(void)
 103 {
 104     int i;
 105     PerlInterpreter *parent = PERL_GET_CONTEXT;
 106     for (i = 0; i<500; i++)
 107     {
 108         PerlInterpreter *perl_interp = perl_clone(parent, 0);
 109         PERL_SET_CONTEXT( perl_interp );
 110         PL_perl_destruct_level = 2;
 111         PERL_SET_CONTEXT( parent );
 112         perl_destruct(perl_interp);
 113         perl_free(perl_interp);
 114     }
 115     exit (0);
 116 }
 117 #endif
 118
 119 int simpleserver_clone(void) {
 120      nmem_mutex_enter(simpleserver_mutex);
 121      if (1)
 122      {
 123          PerlInterpreter *current = PERL_GET_CONTEXT;
 124
 125          /* if current is unset, then we're in a new thread with
 126           * no Perl interpreter for it. So we must create one .
 127           * This will only happen when threaded is used..
 128           */
 129          if (!current) {
 130              PERL_SET_CONTEXT( root_perl_context );
 131              PerlInterpreter *perl_interp = perl_clone(root_perl_context, 0);
 132              PERL_SET_CONTEXT( perl_interp );
 133          }
 134      }
 135      nmem_mutex_leave(simpleserver_mutex);
 136      return 0;
 137 }
 138
 139
 140 void simpleserver_free(void) {
 141     nmem_mutex_enter(simpleserver_mutex);
 142     if (1)
 143     {
 144         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 145
 146         /* If current Perl Interp is different from root interp, then
 147          * we're in threaded mode and we must destroy..
 148          */
 149         if (current_interp != root_perl_context) {
 150             PL_perl_destruct_level = 2;
 151             PERL_SET_CONTEXT(root_perl_context);
 152             perl_destruct(current_interp);
 153             perl_free(current_interp);
 154         }
 155     }
 156     nmem_mutex_leave(simpleserver_mutex);
 157 }
 158
 159
 160 Z_GenericRecord *read_grs1(char *str, ODR o)
 161 {
 162         int type, ivalue;
 163         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 164         char value[GRS_BUF_SIZE+1];
 165         Z_GenericRecord *r = 0;
 166
 167         original = str;
 168         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 169         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 170         r->num_elements = 0;
 171
 172         for (;;)
 173         {
 174                 Z_TaggedElement *t;
 175                 Z_ElementData *c;
 176                 int len;
 177
 178                 ptr = strchr(str, '\n');
 179                 if (!ptr) {
 180                         return r;
 181                 }
 182                 len = ptr - str;
 183                 if (len > GRS_BUF_SIZE) {
 184                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 185                     len = GRS_BUF_SIZE;
 186                 }
 187                 strncpy(line, str, len);
 188                 line[len] = 0;
 189                 buf = line;
 190                 str = ptr + 1;
 191                 while (*buf && isspace(*buf))
 192                         buf++;
 193                 if (*buf == '}') {
 194                         memmove(original, str, strlen(str));
 195                         return r;
 196                 }
 197                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 198                 {
 199                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 200                         return r;
 201                 }
 202                 if (!type && *value == '0')
 203                         return r;
 204                 if (!(buf = strchr(buf, ')')))
 205                         return r;
 206                 buf++;
 207                 while (*buf && isspace(*buf))
 208                         buf++;
 209                 if (r->num_elements >= GRS_MAX_FIELDS)
 210                 {
 211                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 212                         exit(0);
 213                 }
 214                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 215                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 216                 *t->tagType = type;
 217                 t->tagValue = (Z_StringOrNumeric *)
 218                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 219                 if ((ivalue = atoi(value)))
 220                 {
 221                         t->tagValue->which = Z_StringOrNumeric_numeric;
 222                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 223                         *t->tagValue->u.numeric = ivalue;
 224                 }
 225                 else
 226                 {
 227                         t->tagValue->which = Z_StringOrNumeric_string;
 228                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 229                         strcpy(t->tagValue->u.string, value);
 230                 }
 231                 t->tagOccurrence = 0;
 232                 t->metaData = 0;
 233                 t->appliedVariant = 0;
 234                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 235                 if (*buf == '{')
 236                 {
 237                         c->which = Z_ElementData_subtree;
 238                         c->u.subtree = read_grs1(str, o);
 239                 }
 240                 else
 241                 {
 242                         c->which = Z_ElementData_string;
 243                         c->u.string = odr_strdup(o, buf);
 244                 }
 245                 r->num_elements++;
 246         }
 247 }
 248
 249
 250
 251
 252 static void oid2str(Odr_oid *o, WRBUF buf)
 253 {
 254     for (; *o >= 0; o++) {
 255         char ibuf[16];
 256         sprintf(ibuf, "%d", *o);
 257         wrbuf_puts(buf, ibuf);
 258         if (o[1] > 0)
 259             wrbuf_putc(buf, '.');
 260     }
 261 }
 262
 263
 264 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 265 {
 266     switch (s->which) {
 267         case Z_RPNStructure_simple: {
 268             Z_Operand *o = s->u.simple;
 269
 270             switch (o->which) {
 271                 case Z_Operand_APT: {
 272                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 273
 274                     if (at->attributes) {
 275                         int i;
 276                         char ibuf[16];
 277
 278                         for (i = 0; i < at->attributes->num_attributes; i++) {
 279                             wrbuf_puts(buf, "@attr ");
 280                             if (at->attributes->attributes[i]->attributeSet) {
 281                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 282                                 wrbuf_putc(buf, ' ');
 283                             }
 284                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 285                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 286                             wrbuf_puts(buf, ibuf);
 287                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 288                             wrbuf_puts(buf, ibuf);
 289                         }
 290                     }
 291                     switch (at->term->which) {
 292                         case Z_Term_general: {
 293                             wrbuf_putc(buf, '"');
 294                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 295                             wrbuf_puts(buf, "\" ");
 296                             break;
 297                         }
 298                         default: abort();
 299                     }
 300                     break;
 301                 }
 302                 default: abort();
 303             }
 304             break;
 305         }
 306         case Z_RPNStructure_complex: {
 307             Z_Complex *c = s->u.complex;
 308
 309             switch (c->roperator->which) {
 310                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 311                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 312                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 313                 case Z_Operator_prox: abort();
 314                 default: abort();
 315             }
 316             if (!rpn2pquery(c->s1, buf))
 317                 return 0;
 318             if (!rpn2pquery(c->s2, buf))
 319                 return 0;
 320             break;
 321         }
 322         default: abort();
 323     }
 324     return 1;
 325 }
 326
 327
 328 WRBUF zquery2pquery(Z_Query *q)
 329 {
 330     WRBUF buf = wrbuf_alloc();
 331
 332     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 333         return 0;
 334     if (q->u.type_1->attributeSetId) {
 335         /* Output attribute set ID */
 336         wrbuf_puts(buf, "@attrset ");
 337         oid2str(q->u.type_1->attributeSetId, buf);
 338         wrbuf_putc(buf, ' ');
 339     }
 340     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 341 }
 342
 343
 344 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 345 #include <stdarg.h>
 346 void fatal(char *fmt, ...)
 347 {
 348     va_list ap;
 349
 350     fprintf(stderr, "FATAL (yazwrap): ");
 351     va_start(ap, fmt);
 352     vfprintf(stderr, fmt, ap);
 353     va_end(ap);
 354     fprintf(stderr, "\n");
 355     abort();
 356 }
 357
 358
 359 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 360 /*
 361  * Creates a new Perl object of type `class'; the newly-created scalar
 362  * that is a reference to the blessed thingy `referent' is returned.
 363  */
 364 static SV *newObject(char *class, SV *referent)
 365 {
 366     HV *stash;
 367     SV *sv;
 368
 369     sv = newRV_noinc((SV*) referent);
 370     stash = gv_stashpv(class, 0);
 371     if (stash == 0)
 372         fatal("attempt to create object of undefined class '%s'", class);
 373     /*assert(stash != 0);*/
 374     sv_bless(sv, stash);
 375     return sv;
 376 }
 377
 378
 379 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 380 static void setMember(HV *hv, char *name, SV *val)
 381 {
 382     /* We don't increment `val's reference count -- I think this is
 383      * right because it's created with a refcount of 1, and in fact
 384      * the reference via this hash is the only reference to it in
 385      * general.
 386      */
 387     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 388         fatal("couldn't store member in hash");
 389 }
 390
 391
 392 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 393 static SV *translateOID(Odr_oid *x)
 394 {
 395     /* Yaz represents an OID by an int array terminated by a negative
 396      * value, typically -1; we represent it as a reference to a
 397      * blessed scalar string of "."-separated elements.
 398      */
 399     char buf[1000];
 400     int i;
 401
 402     *buf = '\0';
 403     for (i = 0; x[i] >= 0; i++) {
 404         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 405         if (x[i+1] >- 0)
 406             strcat(buf, ".");
 407     }
 408
 409     /*
 410      * ### We'd like to return a blessed scalar (string) here, but of
 411      *  course you can't do that in Perl: only references can be
 412      *  blessed, so we'd have to return a _reference_ to a string, and
 413      *  bless _that_.  Better to do without the blessing, I think.
 414      */
 415     if (1) {
 416         return newSVpv(buf, 0);
 417     } else {
 418         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 419     }
 420 }
 421
 422
 423 static SV *rpn2perl(Z_RPNStructure *s)
 424 {
 425     SV *sv;
 426     HV *hv;
 427     AV *av;
 428
 429     switch (s->which) {
 430     case Z_RPNStructure_simple: {
 431         Z_Operand *o = s->u.simple;
 432         Z_AttributesPlusTerm *at;
 433         if (o->which != Z_Operand_APT)
 434             fatal("can't handle RPN simples other than APT");
 435         at = o->u.attributesPlusTerm;
 436         if (at->term->which != Z_Term_general)
 437             fatal("can't handle RPN terms other than general");
 438
 439         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 440         if (at->attributes) {
 441             int i;
 442             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 443                                   (SV*) (av = newAV()));
 444             for (i = 0; i < at->attributes->num_attributes; i++) {
 445                 Z_AttributeElement *elem = at->attributes->attributes[i];
 446                 HV *hv2;
 447                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 448                                     (SV*) (hv2 = newHV()));
 449                 if (elem->attributeSet)
 450                     setMember(hv2, "attributeSet",
 451                               translateOID(elem->attributeSet));
 452                 setMember(hv2, "attributeType",
 453                           newSViv(*elem->attributeType));
 454                 assert(elem->which == Z_AttributeValue_numeric);
 455                 setMember(hv2, "attributeValue",
 456                           newSViv(*elem->value.numeric));
 457                 av_push(av, tmp);
 458             }
 459             setMember(hv, "attributes", attrs);
 460         }
 461         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 462                                       at->term->u.general->len));
 463         return sv;
 464     }
 465     case Z_RPNStructure_complex: {
 466         SV *tmp;
 467         Z_Complex *c = s->u.complex;
 468         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 469         switch (c->roperator->which) {
 470         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 471         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 472         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 473         case Z_Operator_prox:    fatal("proximity not yet supported");
 474         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 475         }
 476         sv = newObject(type, (SV*) (av = newAV()));
 477         if ((tmp = rpn2perl(c->s1)) == 0)
 478             return 0;
 479         av_push(av, tmp);
 480         if ((tmp = rpn2perl(c->s2)) == 0)
 481             return 0;
 482         av_push(av, tmp);
 483         return sv;
 484     }
 485     default: fatal("unknown RPN node type %d", (int) s->which);
 486     }
 487
 488     return 0;
 489 }
 490
 491
 492 static SV *zquery2perl(Z_Query *q)
 493 {
 494     SV *sv;
 495     HV *hv;
 496
 497     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 498         return 0;
 499     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 500     if (q->u.type_1->attributeSetId)
 501         setMember(hv, "attributeSet",
 502                   translateOID(q->u.type_1->attributeSetId));
 503     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 504     return sv;
 505 }
 506
 507
 508 int bend_sort(void *handle, bend_sort_rr *rr)
 509 {
 510         HV *href;
 511         AV *aref;
 512         SV **temp;
 513         SV *err_code;
 514         SV *err_str;
 515         SV *status;
 516         STRLEN len;
 517         char *ptr;
 518         char *ODR_err_str;
 519         char **input_setnames;
 520         Zfront_handle *zhandle = (Zfront_handle *)handle;
 521         int i;
 522
 523         dSP;
 524         ENTER;
 525         SAVETMPS;
 526
 527         aref = newAV();
 528         input_setnames = rr->input_setnames;
 529         for (i = 0; i < rr->num_input_setnames; i++)
 530         {
 531                 av_push(aref, newSVpv(*input_setnames++, 0));
 532         }
 533         href = newHV();
 534         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 535         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 536         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 537         hv_store(href, "STATUS", 6, newSViv(0), 0);
 538
 539         PUSHMARK(sp);
 540
 541         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 542
 543         PUTBACK;
 544
 545         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 546
 547         SPAGAIN;
 548
 549         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 550         err_code = newSVsv(*temp);
 551
 552         temp = hv_fetch(href, "ERR_STR", 7, 1);
 553         err_str = newSVsv(*temp);
 554
 555         temp = hv_fetch(href, "STATUS", 6, 1);
 556         status = newSVsv(*temp);
 557
 558
 559
 560
 561         PUTBACK;
 562         FREETMPS;
 563         LEAVE;
 564
 565         hv_undef(href),
 566         av_undef(aref);
 567         rr->errcode = SvIV(err_code);
 568         rr->sort_status = SvIV(status);
 569         ptr = SvPV(err_str, len);
 570         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 571         strcpy(ODR_err_str, ptr);
 572         rr->errstring = ODR_err_str;
 573
 574         sv_free(err_code);
 575         sv_free(err_str);
 576         sv_free(status);
 577
 578         return 0;
 579 }
 580
 581
 582 int bend_search(void *handle, bend_search_rr *rr)
 583 {
 584         HV *href;
 585         AV *aref;
 586         SV **temp;
 587         SV *hits;
 588         SV *err_code;
 589         SV *err_str;
 590         char *ODR_errstr;
 591         STRLEN len;
 592         int i;
 593         char **basenames;
 594         int n;
 595         WRBUF query;
 596         char *ptr;
 597         SV *point;
 598         SV *ODR_point;
 599         Zfront_handle *zhandle = (Zfront_handle *)handle;
 600         CV* handler_cv = 0;
 601
 602         dSP;
 603         ENTER;
 604         SAVETMPS;
 605
 606         aref = newAV();
 607         basenames = rr->basenames;
 608         for (i = 0; i < rr->num_bases; i++)
 609         {
 610                 av_push(aref, newSVpv(*basenames++, 0));
 611         }
 612         href = newHV();
 613         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 614         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 615         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 616         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 617         hv_store(href, "HITS", 4, newSViv(0), 0);
 618         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 619         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 620         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 621         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 622         query = zquery2pquery(rr->query);
 623         if (query)
 624         {
 625                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 626         }
 627         else
 628         {
 629                 rr->errcode = 108;
 630         }
 631         PUSHMARK(sp);
 632
 633         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 634
 635         PUTBACK;
 636
 637         handler_cv = simpleserver_sv2cv( search_ref );
 638         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 639
 640         SPAGAIN;
 641
 642         temp = hv_fetch(href, "HITS", 4, 1);
 643         hits = newSVsv(*temp);
 644
 645         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 646         err_code = newSVsv(*temp);
 647
 648         temp = hv_fetch(href, "ERR_STR", 7, 1);
 649         err_str = newSVsv(*temp);
 650
 651         temp = hv_fetch(href, "HANDLE", 6, 1);
 652         point = newSVsv(*temp);
 653
 654         PUTBACK;
 655         FREETMPS;
 656         LEAVE;
 657
 658         hv_undef(href);
 659         av_undef(aref);
 660         rr->hits = SvIV(hits);
 661         rr->errcode = SvIV(err_code);
 662         ptr = SvPV(err_str, len);
 663         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 664         strcpy(ODR_errstr, ptr);
 665         rr->errstring = ODR_errstr;
 666 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 667         memcpy(ODR_point, point, sizeof(*point));
 668         zhandle->handle = ODR_point;*/
 669         zhandle->handle = point;
 670         handle = zhandle;
 671         sv_free(hits);
 672         sv_free(err_code);
 673         sv_free(err_str);
 674         sv_free( (SV*) aref);
 675         sv_free( (SV*) href);
 676         /*sv_free(point);*/
 677         wrbuf_free(query, 1);
 678         return 0;
 679 }
 680
 681
 682 /* ### this is worryingly similar to oid2str() */
 683 WRBUF oid2dotted(int *oid)
 684 {
 685
 686         WRBUF buf = wrbuf_alloc();
 687         int dot = 0;
 688
 689         for (; *oid != -1 ; oid++)
 690         {
 691                 char ibuf[16];
 692                 if (dot)
 693                 {
 694                         wrbuf_putc(buf, '.');
 695                 }
 696                 else
 697                 {
 698                         dot = 1;
 699                 }
 700                 sprintf(ibuf, "%d", *oid);
 701                 wrbuf_puts(buf, ibuf);
 702         }
 703         return buf;
 704 }
 705
 706
 707 int dotted2oid(char *dotted, int *buffer)
 708 {
 709         int *oid;
 710         char ibuf[16];
 711         char *ptr;
 712         int n = 0;
 713
 714         ptr = ibuf;
 715         oid = buffer;
 716         while (*dotted)
 717         {
 718                 if (*dotted == '.')
 719                 {
 720                         n++;
 721                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 722                         {
 723                                 *oid = -1;
 724                                 return -1;
 725                         }
 726                         *ptr = 0;
 727                         sscanf(ibuf, "%d", oid++);
 728                         ptr = ibuf;
 729                         dotted++;
 730
 731                 }
 732                 else
 733                 {
 734                         *ptr++ = *dotted++;
 735                 }
 736         }
 737         if (n < MAX_OID)
 738         {
 739                 *ptr = 0;
 740                 sscanf(ibuf, "%d", oid++);
 741         }
 742         *oid = -1;
 743         return 0;
 744 }
 745
 746
 747 int bend_fetch(void *handle, bend_fetch_rr *rr)
 748 {
 749         HV *href;
 750         SV **temp;
 751         SV *basename;
 752         SV *record;
 753         SV *last;
 754         SV *err_code;
 755         SV *err_string;
 756         SV *sur_flag;
 757         SV *point;
 758         SV *rep_form;
 759         char *ptr;
 760         char *ODR_record;
 761         char *ODR_basename;
 762         char *ODR_errstr;
 763         int *ODR_oid_buf;
 764         oident *oid;
 765         WRBUF oid_dotted;
 766         Zfront_handle *zhandle = (Zfront_handle *)handle;
 767         CV* handler_cv = 0;
 768
 769         Z_RecordComposition *composition;
 770         Z_ElementSetNames *simple;
 771         STRLEN length;
 772
 773         dSP;
 774         ENTER;
 775         SAVETMPS;
 776
 777         rr->errcode = 0;
 778         href = newHV();
 779         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 780         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 781         oid_dotted = oid2dotted(rr->request_format_raw);
 782         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 783         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 784         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 785         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 786         hv_store(href, "LAST", 4, newSViv(0), 0);
 787         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 788         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 789         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 790         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 791         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 792         if (rr->comp)
 793         {
 794                 composition = rr->comp;
 795                 if (composition->which == Z_RecordComp_simple)
 796                 {
 797                         simple = composition->u.simple;
 798                         if (simple->which == Z_ElementSetNames_generic)
 799                         {
 800                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 801                         }
 802                         else
 803                         {
 804                                 rr->errcode = 26;
 805                         }
 806                 }
 807                 else
 808                 {
 809                         rr->errcode = 26;
 810                 }
 811         }
 812
 813         PUSHMARK(sp);
 814
 815         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 816
 817         PUTBACK;
 818
 819         handler_cv = simpleserver_sv2cv( fetch_ref );
 820         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 821
 822         SPAGAIN;
 823
 824         temp = hv_fetch(href, "BASENAME", 8, 1);
 825         basename = newSVsv(*temp);
 826
 827         temp = hv_fetch(href, "RECORD", 6, 1);
 828         record = newSVsv(*temp);
 829
 830         temp = hv_fetch(href, "LAST", 4, 1);
 831         last = newSVsv(*temp);
 832
 833         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 834         err_code = newSVsv(*temp);
 835
 836         temp = hv_fetch(href, "ERR_STR", 7, 1),
 837         err_string = newSVsv(*temp);
 838
 839         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 840         sur_flag = newSVsv(*temp);
 841
 842         temp = hv_fetch(href, "REP_FORM", 8, 1);
 843         rep_form = newSVsv(*temp);
 844
 845         temp = hv_fetch(href, "HANDLE", 6, 1);
 846         point = newSVsv(*temp);
 847
 848         PUTBACK;
 849         FREETMPS;
 850         LEAVE;
 851
 852         hv_undef(href);
 853
 854         ptr = SvPV(basename, length);
 855         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 856         strcpy(ODR_basename, ptr);
 857         rr->basename = ODR_basename;
 858
 859         ptr = SvPV(rep_form, length);
 860         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 861         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 862         {
 863                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 864         }
 865         rr->output_format_raw = ODR_oid_buf;
 866
 867         ptr = SvPV(record, length);
 868         oid = oid_getentbyoid(ODR_oid_buf);
 869         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 870         {
 871                 rr->record = (char *) read_grs1(ptr, rr->stream);
 872                 rr->len = -1;
 873         }
 874         else
 875         {
 876                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 877                 strcpy(ODR_record, ptr);
 878                 rr->record = ODR_record;
 879                 rr->len = length;
 880         }
 881         zhandle->handle = point;
 882         handle = zhandle;
 883         rr->last_in_set = SvIV(last);
 884
 885         if (!(rr->errcode))
 886         {
 887                 rr->errcode = SvIV(err_code);
 888                 ptr = SvPV(err_string, length);
 889                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 890                 strcpy(ODR_errstr, ptr);
 891                 rr->errstring = ODR_errstr;
 892         }
 893         rr->surrogate_flag = SvIV(sur_flag);
 894
 895         wrbuf_free(oid_dotted, 1);
 896         sv_free((SV*) href);
 897         sv_free(basename);
 898         sv_free(record);
 899         sv_free(last);
 900         sv_free(err_string);
 901         sv_free(err_code),
 902         sv_free(sur_flag);
 903         sv_free(rep_form);
 904
 905         return 0;
 906 }
 907
 908
 909 int bend_present(void *handle, bend_present_rr *rr)
 910 {
 911
 912         HV *href;
 913         SV **temp;
 914         SV *err_code;
 915         SV *err_string;
 916         SV *hits;
 917         SV *point;
 918         STRLEN len;
 919         Z_RecordComposition *composition;
 920         Z_ElementSetNames *simple;
 921         char *ODR_errstr;
 922         char *ptr;
 923         Zfront_handle *zhandle = (Zfront_handle *)handle;
 924         CV* handler_cv = 0;
 925
 926 /*      WRBUF oid_dotted; */
 927
 928         dSP;
 929         ENTER;
 930         SAVETMPS;
 931
 932         href = newHV();
 933         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 934         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 935         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 936         hv_store(href, "START", 5, newSViv(rr->start), 0);
 937         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 938         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 939         /*oid_dotted = oid2dotted(rr->request_format_raw);
 940         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 941         hv_store(href, "HITS", 4, newSViv(0), 0);
 942         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 943         if (rr->comp)
 944         {
 945                 composition = rr->comp;
 946                 if (composition->which == Z_RecordComp_simple)
 947                 {
 948                         simple = composition->u.simple;
 949                         if (simple->which == Z_ElementSetNames_generic)
 950                         {
 951                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 952                         }
 953                         else
 954                         {
 955                                 rr->errcode = 26;
 956                                 return 0;
 957                         }
 958                 }
 959                 else
 960                 {
 961                         rr->errcode = 26;
 962                         return 0;
 963                 }
 964         }
 965
 966         PUSHMARK(sp);
 967
 968         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 969
 970         PUTBACK;
 971
 972         handler_cv = simpleserver_sv2cv( present_ref );
 973         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 974
 975         SPAGAIN;
 976
 977         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 978         err_code = newSVsv(*temp);
 979
 980         temp = hv_fetch(href, "ERR_STR", 7, 1);
 981         err_string = newSVsv(*temp);
 982
 983         temp = hv_fetch(href, "HITS", 4, 1);
 984         hits = newSVsv(*temp);
 985
 986         temp = hv_fetch(href, "HANDLE", 6, 1);
 987         point = newSVsv(*temp);
 988
 989         PUTBACK;
 990         FREETMPS;
 991         LEAVE;
 992
 993         hv_undef(href);
 994         rr->errcode = SvIV(err_code);
 995         rr->hits = SvIV(hits);
 996
 997         ptr = SvPV(err_string, len);
 998         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 999         strcpy(ODR_errstr, ptr);
1000         rr->errstring = ODR_errstr;
1001 /*      wrbuf_free(oid_dotted, 1);*/
1002         zhandle->handle = point;
1003         handle = zhandle;
1004         sv_free(err_code);
1005         sv_free(err_string);
1006         sv_free(hits);
1007         sv_free( (SV*) href);
1008
1009         return 0;
1010 }
1011
1012
1013 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1014 {
1015         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1016         return 0;
1017 }
1018
1019
1020 int bend_delete(void *handle, bend_delete_rr *rr)
1021 {
1022         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1023         return 0;
1024 }
1025
1026
1027 int bend_scan(void *handle, bend_scan_rr *rr)
1028 {
1029         HV *href;
1030         AV *aref;
1031         AV *list;
1032         AV *entries;
1033         HV *scan_item;
1034         struct scan_entry *scan_list;
1035         struct scan_entry *buffer;
1036         int *step_size = rr->step_size;
1037         int i;
1038         char **basenames;
1039         SV **temp;
1040         SV *err_code = sv_newmortal();
1041         SV *err_str = sv_newmortal();
1042         SV *point = sv_newmortal();
1043         SV *status = sv_newmortal();
1044         SV *number = sv_newmortal();
1045         char *ptr;
1046         char *ODR_errstr;
1047         STRLEN len;
1048         int term_len;
1049         SV *term_tmp;
1050         SV *entries_ref;
1051         Zfront_handle *zhandle = (Zfront_handle *)handle;
1052         CV* handler_cv = 0;
1053
1054         dSP;
1055         ENTER;
1056         SAVETMPS;
1057         href = newHV();
1058         list = newAV();
1059         if (rr->term->term->which == Z_Term_general)
1060         {
1061                 term_len = rr->term->term->u.general->len;
1062                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1063         } else {
1064                 rr->errcode = 229;      /* Unsupported term type */
1065                 return 0;
1066         }
1067         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1068         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1069         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1070         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1071         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1072         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1073         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1074         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1075         aref = newAV();
1076         basenames = rr->basenames;
1077         for (i = 0; i < rr->num_bases; i++)
1078         {
1079                 av_push(aref, newSVpv(*basenames++, 0));
1080         }
1081         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1082
1083         PUSHMARK(sp);
1084
1085         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1086
1087         PUTBACK;
1088
1089         handler_cv = simpleserver_sv2cv( scan_ref );
1090         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1091
1092         SPAGAIN;
1093
1094         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1095         err_code = newSVsv(*temp);
1096
1097         temp = hv_fetch(href, "ERR_STR", 7, 1);
1098         err_str = newSVsv(*temp);
1099
1100         temp = hv_fetch(href, "HANDLE", 6, 1);
1101         point = newSVsv(*temp);
1102
1103         temp = hv_fetch(href, "STATUS", 6, 1);
1104         status = newSVsv(*temp);
1105
1106         temp = hv_fetch(href, "NUMBER", 6, 1);
1107         number = newSVsv(*temp);
1108
1109         temp = hv_fetch(href, "ENTRIES", 7, 1);
1110         entries_ref = newSVsv(*temp);
1111
1112         PUTBACK;
1113         FREETMPS;
1114         LEAVE;
1115
1116         ptr = SvPV(err_str, len);
1117         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1118         strcpy(ODR_errstr, ptr);
1119         rr->errstring = ODR_errstr;
1120         rr->errcode = SvIV(err_code);
1121         rr->num_entries = SvIV(number);
1122         rr->status = SvIV(status);
1123         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1124         buffer = scan_list;
1125         entries = (AV *)SvRV(entries_ref);
1126         for (i = 0; i < rr->num_entries; i++)
1127         {
1128                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1129                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1130                 ptr = SvPV(*temp, len);
1131                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1132                 strcpy(buffer->term, ptr);
1133                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1134                 buffer->occurrences = SvIV(*temp);
1135                 buffer++;
1136                 hv_undef(scan_item);
1137         }
1138         rr->entries = scan_list;
1139         zhandle->handle = point;
1140         handle = zhandle;
1141         sv_free(err_code);
1142         sv_free(err_str);
1143         sv_free(status);
1144         sv_free(number);
1145         hv_undef(href);
1146         sv_free((SV *)href);
1147         av_undef(aref);
1148         sv_free((SV *)aref);
1149         av_undef(list);
1150         sv_free((SV *)list);
1151         av_undef(entries);
1152         /*sv_free((SV *)entries);*/
1153         sv_free(entries_ref);
1154
1155         return 0;
1156 }
1157
1158
1159 bend_initresult *bend_init(bend_initrequest *q)
1160 {
1161         int dummy = simpleserver_clone();
1162         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
1163         HV *href;
1164         SV **temp;
1165         SV *id;
1166         SV *name;
1167         SV *ver;
1168         SV *err_str;
1169         SV *status;
1170         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
1171         STRLEN len;
1172         int n;
1173         SV *handle;
1174         /*char *name_ptr;
1175         char *ver_ptr;*/
1176         char *ptr;
1177         char *user = NULL;
1178         char *passwd = NULL;
1179         CV* handler_cv = 0;
1180
1181         dSP;
1182         ENTER;
1183         SAVETMPS;
1184
1185         /*q->bend_sort = bend_sort;*/
1186         if (search_ref)
1187         {
1188                 q->bend_search = bend_search;
1189         }
1190         if (present_ref)
1191         {
1192                 q->bend_present = bend_present;
1193         }
1194         /*q->bend_esrequest = bend_esrequest;*/
1195         /*q->bend_delete = bend_delete;*/
1196         if (fetch_ref)
1197         {
1198                 q->bend_fetch = bend_fetch;
1199         }
1200         if (scan_ref)
1201         {
1202                 q->bend_scan = bend_scan;
1203         }
1204         href = newHV();
1205         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1206         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1207         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1208         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1209         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1210         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1211         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1212         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1213         if (q->auth) {
1214             if (q->auth->which == Z_IdAuthentication_open) {
1215                 char *openpass = xstrdup (q->auth->u.open);
1216                 char *cp = strchr (openpass, '/');
1217                 if (cp) {
1218                     *cp = '\0';
1219                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1220                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1221                 }
1222                 xfree(openpass);
1223             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1224                 user = q->auth->u.idPass->userId;
1225                 passwd = q->auth->u.idPass->password;
1226             }
1227             /* ### some code paths have user/password unassigned here */
1228             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1229             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1230         }
1231
1232         PUSHMARK(sp);
1233
1234         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1235
1236         PUTBACK;
1237
1238         if (init_ref != NULL)
1239         {
1240              handler_cv = simpleserver_sv2cv( init_ref );
1241              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1242         }
1243
1244         SPAGAIN;
1245
1246         temp = hv_fetch(href, "IMP_ID", 6, 1);
1247         id = newSVsv(*temp);
1248
1249         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1250         name = newSVsv(*temp);
1251
1252         temp = hv_fetch(href, "IMP_VER", 7, 1);
1253         ver = newSVsv(*temp);
1254
1255         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1256         status = newSVsv(*temp);
1257
1258         temp = hv_fetch(href, "ERR_STR", 7, 1);
1259         err_str = newSVsv(*temp);
1260
1261         temp = hv_fetch(href, "HANDLE", 6, 1);
1262         handle= newSVsv(*temp);
1263
1264         hv_undef(href);
1265         PUTBACK;
1266         FREETMPS;
1267         LEAVE;
1268         zhandle->handle = handle;
1269         r->errcode = SvIV(status);
1270         ptr = SvPV(err_str, len);
1271         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1272         strcpy(r->errstring, ptr);
1273         sv_free(err_str);
1274         r->handle = zhandle;
1275         ptr = SvPV(id, len);
1276         q->implementation_id = (char *)xmalloc(len + 1);
1277         strcpy(q->implementation_id, ptr);
1278         ptr = SvPV(name, len);
1279         q->implementation_name = (char *)xmalloc(len + 1);
1280         strcpy(q->implementation_name, ptr);
1281 /*      q->implementation_name = SvPV(name, len);*/
1282         ptr = SvPV(ver, len);
1283         q->implementation_version = (char *)xmalloc(len + 1);
1284         strcpy(q->implementation_version, ptr);
1285
1286         return r;
1287 }
1288
1289
1290 void bend_close(void *handle)
1291 {
1292         HV *href;
1293         Zfront_handle *zhandle = (Zfront_handle *)handle;
1294         SV **temp;
1295         CV* handler_cv = 0;
1296
1297
1298         if (close_ref)
1299         {
1300                 dSP;
1301                 ENTER;
1302                 SAVETMPS;
1303                 href = newHV();
1304                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1305
1306                 PUSHMARK(sp);
1307
1308                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1309
1310                 PUTBACK;
1311
1312                 handler_cv = simpleserver_sv2cv( close_ref );
1313                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1314
1315                 SPAGAIN;
1316
1317                 PUTBACK;
1318                 FREETMPS;
1319                 LEAVE;
1320         }
1321         xfree(handle);
1322         simpleserver_free();
1323
1324         return;
1325 }
1326
1327
1328 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1329
1330 void
1331 set_init_handler(arg)
1332                 SV *arg
1333         CODE:
1334                 init_ref = newSVsv(arg);
1335
1336
1337 void
1338 set_close_handler(arg)
1339                 SV *arg
1340         CODE:
1341                 close_ref = newSVsv(arg);
1342
1343
1344 void
1345 set_sort_handler(arg)
1346                 SV *arg
1347         CODE:
1348                 sort_ref = newSVsv(arg);
1349
1350 void
1351 set_search_handler(arg)
1352                 SV *arg
1353         CODE:
1354                 search_ref = newSVsv(arg);
1355
1356
1357 void
1358 set_fetch_handler(arg)
1359                 SV *arg
1360         CODE:
1361                 fetch_ref = newSVsv(arg);
1362
1363
1364 void
1365 set_present_handler(arg)
1366                 SV *arg
1367         CODE:
1368                 present_ref = newSVsv(arg);
1369
1370
1371 void
1372 set_esrequest_handler(arg)
1373                 SV *arg
1374         CODE:
1375                 esrequest_ref = newSVsv(arg);
1376
1377
1378 void
1379 set_delete_handler(arg)
1380                 SV *arg
1381         CODE:
1382                 delete_ref = newSVsv(arg);
1383
1384
1385 void
1386 set_scan_handler(arg)
1387                 SV *arg
1388         CODE:
1389                 scan_ref = newSVsv(arg);
1390
1391
1392 int
1393 start_server(...)
1394         PREINIT:
1395                 char **argv;
1396                 char **argv_buf;
1397                 char *ptr;
1398                 int i;
1399                 STRLEN len;
1400         CODE:
1401                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1402                 argv = argv_buf;
1403                 for (i = 0; i < items; i++)
1404                 {
1405                         ptr = SvPV(ST(i), len);
1406                         *argv_buf = (char *)xmalloc(len + 1);
1407                         strcpy(*argv_buf++, ptr);
1408                 }
1409                 *argv_buf = NULL;
1410                 root_perl_context = PERL_GET_CONTEXT;
1411                 nmem_mutex_create(&simpleserver_mutex);
1412 #if 0
1413                 tst_clones();
1414 #endif
1415
1416                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1417         OUTPUT:
1418                 RETVAL
1419
1420
1421 int
1422 ScanSuccess()
1423         CODE:
1424                 RETVAL = BEND_SCAN_SUCCESS;
1425         OUTPUT:
1426                 RETVAL
1427
1428 int
1429 ScanPartial()
1430         CODE:
1431                 RETVAL = BEND_SCAN_PARTIAL;
1432         OUTPUT:
1433                 RETVAL
1434
1435