SimpleServer.xs

   1 /*
   2
   3  * $Id: SimpleServer.xs,v 1.23 2004-05-13 18:55:40 adam Exp $
   4  * ----------------------------------------------------------------------
   5  *
   6  * Copyright (c) 2000, Index Data.
   7  *
   8  * Permission to use, copy, modify, distribute, and sell this software and
   9  * its documentation, in whole or in part, for any purpose, is hereby granted,
  10  * provided that:
  11  *
  12  * 1. This copyright and permission notice appear in all copies of the
  13  * software and its documentation. Notices of copyright or attribution
  14  * which appear at the beginning of any file must remain unchanged.
  15  *
  16  * 2. The name of Index Data or the individual authors may not be used to
  17  * endorse or promote products derived from this software without specific
  18  * prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  22  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  23  * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
  24  * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
  25  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
  26  * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  27  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  28  * OF THIS SOFTWARE.
  29  */
  30
  31
  32
  33 #include "EXTERN.h"
  34 #include "perl.h"
  35 #include "embed.h"
  36 #include "XSUB.h"
  37 #include <yaz/backend.h>
  38 #include <yaz/log.h>
  39 #include <yaz/wrbuf.h>
  40 #include <stdio.h>
  41 #ifdef WIN32
  42 #else
  43 #include <unistd.h>
  44 #endif
  45 #include <stdlib.h>
  46 #include <ctype.h>
  47 #define GRS_MAX_FIELDS 500
  48 #ifdef ASN_COMPILED
  49 #include <yaz/ill.h>
  50 #endif
  51 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  52 #define sv_undef PL_sv_undef
  53 #endif
  54
  55 NMEM_MUTEX simpleserver_mutex;
  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 PerlInterpreter *root_perl_context;
  81 int MAX_OID = 15;
  82
  83 #define GRS_BUF_SIZE 512
  84
  85 CV * simpleserver_sv2cv(SV *handler) {
  86     STRLEN len;
  87     char *buf;
  88
  89     if (SvPOK(handler)) {
  90         CV *ret;
  91         buf = SvPV( handler, len);
  92         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
  93             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
  94             exit(1);
  95         }
  96
  97         return ret;
  98     } else {
  99         return (CV *) handler;
 100     }
 101 }
 102
 103 /* debuggin routine to check for destruction of Perl interpreters */
 104 #if 0
 105 int tst_clones(void)
 106 {
 107     int i;
 108     PerlInterpreter *parent = PERL_GET_CONTEXT;
 109     for (i = 0; i<500; i++)
 110     {
 111         PerlInterpreter *perl_interp = perl_clone(parent, 0);
 112         PERL_SET_CONTEXT( perl_interp );
 113         PL_perl_destruct_level = 2;
 114         PERL_SET_CONTEXT( parent );
 115         perl_destruct(perl_interp);
 116         perl_free(perl_interp);
 117     }
 118     exit (0);
 119 }
 120 #endif
 121
 122 int simpleserver_clone(void) {
 123      nmem_mutex_enter(simpleserver_mutex);
 124      if (1)
 125      {
 126          PerlInterpreter *current = PERL_GET_CONTEXT;
 127
 128          /* if current is unset, then we're in a new thread with
 129           * no Perl interpreter for it. So we must create one .
 130           * This will only happen when threaded is used..
 131           */
 132          if (!current) {
 133              PERL_SET_CONTEXT( root_perl_context );
 134              PerlInterpreter *perl_interp = perl_clone(root_perl_context, 0);
 135              PERL_SET_CONTEXT( perl_interp );
 136          }
 137      }
 138      nmem_mutex_leave(simpleserver_mutex);
 139      return 0;
 140 }
 141
 142
 143 void simpleserver_free(void) {
 144     nmem_mutex_enter(simpleserver_mutex);
 145     if (1)
 146     {
 147         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 148
 149         /* If current Perl Interp is different from root interp, then
 150          * we're in threaded mode and we must destroy..
 151          */
 152         if (current_interp != root_perl_context) {
 153             PL_perl_destruct_level = 2;
 154             PERL_SET_CONTEXT(root_perl_context);
 155             perl_destruct(current_interp);
 156             perl_free(current_interp);
 157         }
 158     }
 159     nmem_mutex_leave(simpleserver_mutex);
 160 }
 161
 162
 163 Z_GenericRecord *read_grs1(char *str, ODR o)
 164 {
 165         int type, ivalue;
 166         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 167         char value[GRS_BUF_SIZE+1];
 168         Z_GenericRecord *r = 0;
 169
 170         original = str;
 171         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 172         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 173         r->num_elements = 0;
 174
 175         for (;;)
 176         {
 177                 Z_TaggedElement *t;
 178                 Z_ElementData *c;
 179                 int len;
 180
 181                 ptr = strchr(str, '\n');
 182                 if (!ptr) {
 183                         return r;
 184                 }
 185                 len = ptr - str;
 186                 if (len > GRS_BUF_SIZE) {
 187                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 188                     len = GRS_BUF_SIZE;
 189                 }
 190                 strncpy(line, str, len);
 191                 line[len] = 0;
 192                 buf = line;
 193                 str = ptr + 1;
 194                 while (*buf && isspace(*buf))
 195                         buf++;
 196                 if (*buf == '}') {
 197                         memmove(original, str, strlen(str));
 198                         return r;
 199                 }
 200                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 201                 {
 202                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 203                         return r;
 204                 }
 205                 if (!type && *value == '0')
 206                         return r;
 207                 if (!(buf = strchr(buf, ')')))
 208                         return r;
 209                 buf++;
 210                 while (*buf && isspace(*buf))
 211                         buf++;
 212                 if (r->num_elements >= GRS_MAX_FIELDS)
 213                 {
 214                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 215                         exit(0);
 216                 }
 217                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 218                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 219                 *t->tagType = type;
 220                 t->tagValue = (Z_StringOrNumeric *)
 221                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 222                 if ((ivalue = atoi(value)))
 223                 {
 224                         t->tagValue->which = Z_StringOrNumeric_numeric;
 225                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 226                         *t->tagValue->u.numeric = ivalue;
 227                 }
 228                 else
 229                 {
 230                         t->tagValue->which = Z_StringOrNumeric_string;
 231                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 232                         strcpy(t->tagValue->u.string, value);
 233                 }
 234                 t->tagOccurrence = 0;
 235                 t->metaData = 0;
 236                 t->appliedVariant = 0;
 237                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 238                 if (*buf == '{')
 239                 {
 240                         c->which = Z_ElementData_subtree;
 241                         c->u.subtree = read_grs1(str, o);
 242                 }
 243                 else
 244                 {
 245                         c->which = Z_ElementData_string;
 246                         c->u.string = odr_strdup(o, buf);
 247                 }
 248                 r->num_elements++;
 249         }
 250 }
 251
 252
 253
 254
 255 static void oid2str(Odr_oid *o, WRBUF buf)
 256 {
 257     for (; *o >= 0; o++) {
 258         char ibuf[16];
 259         sprintf(ibuf, "%d", *o);
 260         wrbuf_puts(buf, ibuf);
 261         if (o[1] > 0)
 262             wrbuf_putc(buf, '.');
 263     }
 264 }
 265
 266
 267 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 268 {
 269     switch (s->which) {
 270         case Z_RPNStructure_simple: {
 271             Z_Operand *o = s->u.simple;
 272
 273             switch (o->which) {
 274                 case Z_Operand_APT: {
 275                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 276
 277                     if (at->attributes) {
 278                         int i;
 279                         char ibuf[16];
 280
 281                         for (i = 0; i < at->attributes->num_attributes; i++) {
 282                             wrbuf_puts(buf, "@attr ");
 283                             if (at->attributes->attributes[i]->attributeSet) {
 284                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 285                                 wrbuf_putc(buf, ' ');
 286                             }
 287                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 288                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 289                             wrbuf_puts(buf, ibuf);
 290                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 291                             wrbuf_puts(buf, ibuf);
 292                         }
 293                     }
 294                     switch (at->term->which) {
 295                         case Z_Term_general: {
 296                             wrbuf_putc(buf, '"');
 297                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 298                             wrbuf_puts(buf, "\" ");
 299                             break;
 300                         }
 301                         default: abort();
 302                     }
 303                     break;
 304                 }
 305                 default: abort();
 306             }
 307             break;
 308         }
 309         case Z_RPNStructure_complex: {
 310             Z_Complex *c = s->u.complex;
 311
 312             switch (c->roperator->which) {
 313                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 314                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 315                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 316                 case Z_Operator_prox: abort();
 317                 default: abort();
 318             }
 319             if (!rpn2pquery(c->s1, buf))
 320                 return 0;
 321             if (!rpn2pquery(c->s2, buf))
 322                 return 0;
 323             break;
 324         }
 325         default: abort();
 326     }
 327     return 1;
 328 }
 329
 330
 331 WRBUF zquery2pquery(Z_Query *q)
 332 {
 333     WRBUF buf = wrbuf_alloc();
 334
 335     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 336         return 0;
 337     if (q->u.type_1->attributeSetId) {
 338         /* Output attribute set ID */
 339         wrbuf_puts(buf, "@attrset ");
 340         oid2str(q->u.type_1->attributeSetId, buf);
 341         wrbuf_putc(buf, ' ');
 342     }
 343     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 344 }
 345
 346
 347 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 348 #include <stdarg.h>
 349 void fatal(char *fmt, ...)
 350 {
 351     va_list ap;
 352
 353     fprintf(stderr, "FATAL (yazwrap): ");
 354     va_start(ap, fmt);
 355     vfprintf(stderr, fmt, ap);
 356     va_end(ap);
 357     fprintf(stderr, "\n");
 358     abort();
 359 }
 360
 361
 362 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 363 /*
 364  * Creates a new Perl object of type `class'; the newly-created scalar
 365  * that is a reference to the blessed thingy `referent' is returned.
 366  */
 367 static SV *newObject(char *class, SV *referent)
 368 {
 369     HV *stash;
 370     SV *sv;
 371
 372     sv = newRV_noinc((SV*) referent);
 373     stash = gv_stashpv(class, 0);
 374     if (stash == 0)
 375         fatal("attempt to create object of undefined class '%s'", class);
 376     /*assert(stash != 0);*/
 377     sv_bless(sv, stash);
 378     return sv;
 379 }
 380
 381
 382 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 383 static void setMember(HV *hv, char *name, SV *val)
 384 {
 385     /* We don't increment `val's reference count -- I think this is
 386      * right because it's created with a refcount of 1, and in fact
 387      * the reference via this hash is the only reference to it in
 388      * general.
 389      */
 390     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 391         fatal("couldn't store member in hash");
 392 }
 393
 394
 395 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 396 static SV *translateOID(Odr_oid *x)
 397 {
 398     /* Yaz represents an OID by an int array terminated by a negative
 399      * value, typically -1; we represent it as a reference to a
 400      * blessed scalar string of "."-separated elements.
 401      */
 402     char buf[1000];
 403     int i;
 404
 405     *buf = '\0';
 406     for (i = 0; x[i] >= 0; i++) {
 407         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 408         if (x[i+1] >- 0)
 409             strcat(buf, ".");
 410     }
 411
 412     /*
 413      * ### We'd like to return a blessed scalar (string) here, but of
 414      *  course you can't do that in Perl: only references can be
 415      *  blessed, so we'd have to return a _reference_ to a string, and
 416      *  bless _that_.  Better to do without the blessing, I think.
 417      */
 418     if (1) {
 419         return newSVpv(buf, 0);
 420     } else {
 421         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 422     }
 423 }
 424
 425
 426 static SV *rpn2perl(Z_RPNStructure *s)
 427 {
 428     SV *sv;
 429     HV *hv;
 430     AV *av;
 431
 432     switch (s->which) {
 433     case Z_RPNStructure_simple: {
 434         Z_Operand *o = s->u.simple;
 435         Z_AttributesPlusTerm *at;
 436         if (o->which != Z_Operand_APT)
 437             fatal("can't handle RPN simples other than APT");
 438         at = o->u.attributesPlusTerm;
 439         if (at->term->which != Z_Term_general)
 440             fatal("can't handle RPN terms other than general");
 441
 442         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 443         if (at->attributes) {
 444             int i;
 445             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 446                                   (SV*) (av = newAV()));
 447             for (i = 0; i < at->attributes->num_attributes; i++) {
 448                 Z_AttributeElement *elem = at->attributes->attributes[i];
 449                 HV *hv2;
 450                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 451                                     (SV*) (hv2 = newHV()));
 452                 if (elem->attributeSet)
 453                     setMember(hv2, "attributeSet",
 454                               translateOID(elem->attributeSet));
 455                 setMember(hv2, "attributeType",
 456                           newSViv(*elem->attributeType));
 457                 assert(elem->which == Z_AttributeValue_numeric);
 458                 setMember(hv2, "attributeValue",
 459                           newSViv(*elem->value.numeric));
 460                 av_push(av, tmp);
 461             }
 462             setMember(hv, "attributes", attrs);
 463         }
 464         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 465                                       at->term->u.general->len));
 466         return sv;
 467     }
 468     case Z_RPNStructure_complex: {
 469         SV *tmp;
 470         Z_Complex *c = s->u.complex;
 471         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 472         switch (c->roperator->which) {
 473         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 474         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 475         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 476         case Z_Operator_prox:    fatal("proximity not yet supported");
 477         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 478         }
 479         sv = newObject(type, (SV*) (av = newAV()));
 480         if ((tmp = rpn2perl(c->s1)) == 0)
 481             return 0;
 482         av_push(av, tmp);
 483         if ((tmp = rpn2perl(c->s2)) == 0)
 484             return 0;
 485         av_push(av, tmp);
 486         return sv;
 487     }
 488     default: fatal("unknown RPN node type %d", (int) s->which);
 489     }
 490
 491     return 0;
 492 }
 493
 494
 495 static SV *zquery2perl(Z_Query *q)
 496 {
 497     SV *sv;
 498     HV *hv;
 499
 500     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 501         return 0;
 502     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 503     if (q->u.type_1->attributeSetId)
 504         setMember(hv, "attributeSet",
 505                   translateOID(q->u.type_1->attributeSetId));
 506     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 507     return sv;
 508 }
 509
 510
 511 int bend_sort(void *handle, bend_sort_rr *rr)
 512 {
 513         HV *href;
 514         AV *aref;
 515         SV **temp;
 516         SV *err_code;
 517         SV *err_str;
 518         SV *status;
 519         STRLEN len;
 520         char *ptr;
 521         char *ODR_err_str;
 522         char **input_setnames;
 523         Zfront_handle *zhandle = (Zfront_handle *)handle;
 524         int i;
 525
 526         dSP;
 527         ENTER;
 528         SAVETMPS;
 529
 530         aref = newAV();
 531         input_setnames = rr->input_setnames;
 532         for (i = 0; i < rr->num_input_setnames; i++)
 533         {
 534                 av_push(aref, newSVpv(*input_setnames++, 0));
 535         }
 536         href = newHV();
 537         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 538         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 539         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 540         hv_store(href, "STATUS", 6, newSViv(0), 0);
 541
 542         PUSHMARK(sp);
 543
 544         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 545
 546         PUTBACK;
 547
 548         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 549
 550         SPAGAIN;
 551
 552         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 553         err_code = newSVsv(*temp);
 554
 555         temp = hv_fetch(href, "ERR_STR", 7, 1);
 556         err_str = newSVsv(*temp);
 557
 558         temp = hv_fetch(href, "STATUS", 6, 1);
 559         status = newSVsv(*temp);
 560
 561
 562
 563
 564         PUTBACK;
 565         FREETMPS;
 566         LEAVE;
 567
 568         hv_undef(href),
 569         av_undef(aref);
 570         rr->errcode = SvIV(err_code);
 571         rr->sort_status = SvIV(status);
 572         ptr = SvPV(err_str, len);
 573         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 574         strcpy(ODR_err_str, ptr);
 575         rr->errstring = ODR_err_str;
 576
 577         sv_free(err_code);
 578         sv_free(err_str);
 579         sv_free(status);
 580
 581         return 0;
 582 }
 583
 584
 585 int bend_search(void *handle, bend_search_rr *rr)
 586 {
 587         HV *href;
 588         AV *aref;
 589         SV **temp;
 590         SV *hits;
 591         SV *err_code;
 592         SV *err_str;
 593         char *ODR_errstr;
 594         STRLEN len;
 595         int i;
 596         char **basenames;
 597         int n;
 598         WRBUF query;
 599         char *ptr;
 600         SV *point;
 601         SV *ODR_point;
 602         Zfront_handle *zhandle = (Zfront_handle *)handle;
 603         CV* handler_cv = 0;
 604
 605         dSP;
 606         ENTER;
 607         SAVETMPS;
 608
 609         aref = newAV();
 610         basenames = rr->basenames;
 611         for (i = 0; i < rr->num_bases; i++)
 612         {
 613                 av_push(aref, newSVpv(*basenames++, 0));
 614         }
 615         href = newHV();
 616         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 617         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 618         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 619         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 620         hv_store(href, "HITS", 4, newSViv(0), 0);
 621         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 622         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 623         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 624         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 625         query = zquery2pquery(rr->query);
 626         if (query)
 627         {
 628                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 629         }
 630         else
 631         {
 632                 rr->errcode = 108;
 633         }
 634         PUSHMARK(sp);
 635
 636         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 637
 638         PUTBACK;
 639
 640         handler_cv = simpleserver_sv2cv( search_ref );
 641         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 642
 643         SPAGAIN;
 644
 645         temp = hv_fetch(href, "HITS", 4, 1);
 646         hits = newSVsv(*temp);
 647
 648         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 649         err_code = newSVsv(*temp);
 650
 651         temp = hv_fetch(href, "ERR_STR", 7, 1);
 652         err_str = newSVsv(*temp);
 653
 654         temp = hv_fetch(href, "HANDLE", 6, 1);
 655         point = newSVsv(*temp);
 656
 657         PUTBACK;
 658         FREETMPS;
 659         LEAVE;
 660
 661         hv_undef(href);
 662         av_undef(aref);
 663         rr->hits = SvIV(hits);
 664         rr->errcode = SvIV(err_code);
 665         ptr = SvPV(err_str, len);
 666         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 667         strcpy(ODR_errstr, ptr);
 668         rr->errstring = ODR_errstr;
 669 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 670         memcpy(ODR_point, point, sizeof(*point));
 671         zhandle->handle = ODR_point;*/
 672         zhandle->handle = point;
 673         handle = zhandle;
 674         sv_free(hits);
 675         sv_free(err_code);
 676         sv_free(err_str);
 677         sv_free( (SV*) aref);
 678         sv_free( (SV*) href);
 679         /*sv_free(point);*/
 680         wrbuf_free(query, 1);
 681         return 0;
 682 }
 683
 684
 685 /* ### this is worryingly similar to oid2str() */
 686 WRBUF oid2dotted(int *oid)
 687 {
 688
 689         WRBUF buf = wrbuf_alloc();
 690         int dot = 0;
 691
 692         for (; *oid != -1 ; oid++)
 693         {
 694                 char ibuf[16];
 695                 if (dot)
 696                 {
 697                         wrbuf_putc(buf, '.');
 698                 }
 699                 else
 700                 {
 701                         dot = 1;
 702                 }
 703                 sprintf(ibuf, "%d", *oid);
 704                 wrbuf_puts(buf, ibuf);
 705         }
 706         return buf;
 707 }
 708
 709
 710 int dotted2oid(char *dotted, int *buffer)
 711 {
 712         int *oid;
 713         char ibuf[16];
 714         char *ptr;
 715         int n = 0;
 716
 717         ptr = ibuf;
 718         oid = buffer;
 719         while (*dotted)
 720         {
 721                 if (*dotted == '.')
 722                 {
 723                         n++;
 724                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 725                         {
 726                                 *oid = -1;
 727                                 return -1;
 728                         }
 729                         *ptr = 0;
 730                         sscanf(ibuf, "%d", oid++);
 731                         ptr = ibuf;
 732                         dotted++;
 733
 734                 }
 735                 else
 736                 {
 737                         *ptr++ = *dotted++;
 738                 }
 739         }
 740         if (n < MAX_OID)
 741         {
 742                 *ptr = 0;
 743                 sscanf(ibuf, "%d", oid++);
 744         }
 745         *oid = -1;
 746         return 0;
 747 }
 748
 749
 750 int bend_fetch(void *handle, bend_fetch_rr *rr)
 751 {
 752         HV *href;
 753         SV **temp;
 754         SV *basename;
 755         SV *record;
 756         SV *last;
 757         SV *err_code;
 758         SV *err_string;
 759         SV *sur_flag;
 760         SV *point;
 761         SV *rep_form;
 762         char *ptr;
 763         char *ODR_record;
 764         char *ODR_basename;
 765         char *ODR_errstr;
 766         int *ODR_oid_buf;
 767         oident *oid;
 768         WRBUF oid_dotted;
 769         Zfront_handle *zhandle = (Zfront_handle *)handle;
 770         CV* handler_cv = 0;
 771
 772         Z_RecordComposition *composition;
 773         Z_ElementSetNames *simple;
 774         STRLEN length;
 775
 776         dSP;
 777         ENTER;
 778         SAVETMPS;
 779
 780         rr->errcode = 0;
 781         href = newHV();
 782         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 783         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 784         oid_dotted = oid2dotted(rr->request_format_raw);
 785         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 786         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 787         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 788         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 789         hv_store(href, "LAST", 4, newSViv(0), 0);
 790         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 791         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 792         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 793         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 794         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 795         if (rr->comp)
 796         {
 797                 composition = rr->comp;
 798                 if (composition->which == Z_RecordComp_simple)
 799                 {
 800                         simple = composition->u.simple;
 801                         if (simple->which == Z_ElementSetNames_generic)
 802                         {
 803                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 804                         }
 805                         else
 806                         {
 807                                 rr->errcode = 26;
 808                         }
 809                 }
 810                 else
 811                 {
 812                         rr->errcode = 26;
 813                 }
 814         }
 815
 816         PUSHMARK(sp);
 817
 818         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 819
 820         PUTBACK;
 821
 822         handler_cv = simpleserver_sv2cv( fetch_ref );
 823         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 824
 825         SPAGAIN;
 826
 827         temp = hv_fetch(href, "BASENAME", 8, 1);
 828         basename = newSVsv(*temp);
 829
 830         temp = hv_fetch(href, "RECORD", 6, 1);
 831         record = newSVsv(*temp);
 832
 833         temp = hv_fetch(href, "LAST", 4, 1);
 834         last = newSVsv(*temp);
 835
 836         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 837         err_code = newSVsv(*temp);
 838
 839         temp = hv_fetch(href, "ERR_STR", 7, 1),
 840         err_string = newSVsv(*temp);
 841
 842         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 843         sur_flag = newSVsv(*temp);
 844
 845         temp = hv_fetch(href, "REP_FORM", 8, 1);
 846         rep_form = newSVsv(*temp);
 847
 848         temp = hv_fetch(href, "HANDLE", 6, 1);
 849         point = newSVsv(*temp);
 850
 851         PUTBACK;
 852         FREETMPS;
 853         LEAVE;
 854
 855         hv_undef(href);
 856
 857         ptr = SvPV(basename, length);
 858         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 859         strcpy(ODR_basename, ptr);
 860         rr->basename = ODR_basename;
 861
 862         ptr = SvPV(rep_form, length);
 863         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 864         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 865         {
 866                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 867         }
 868         rr->output_format_raw = ODR_oid_buf;
 869
 870         ptr = SvPV(record, length);
 871         oid = oid_getentbyoid(ODR_oid_buf);
 872         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 873         {
 874                 rr->record = (char *) read_grs1(ptr, rr->stream);
 875                 rr->len = -1;
 876         }
 877         else
 878         {
 879                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 880                 strcpy(ODR_record, ptr);
 881                 rr->record = ODR_record;
 882                 rr->len = length;
 883         }
 884         zhandle->handle = point;
 885         handle = zhandle;
 886         rr->last_in_set = SvIV(last);
 887
 888         if (!(rr->errcode))
 889         {
 890                 rr->errcode = SvIV(err_code);
 891                 ptr = SvPV(err_string, length);
 892                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 893                 strcpy(ODR_errstr, ptr);
 894                 rr->errstring = ODR_errstr;
 895         }
 896         rr->surrogate_flag = SvIV(sur_flag);
 897
 898         wrbuf_free(oid_dotted, 1);
 899         sv_free((SV*) href);
 900         sv_free(basename);
 901         sv_free(record);
 902         sv_free(last);
 903         sv_free(err_string);
 904         sv_free(err_code),
 905         sv_free(sur_flag);
 906         sv_free(rep_form);
 907
 908         return 0;
 909 }
 910
 911
 912 int bend_present(void *handle, bend_present_rr *rr)
 913 {
 914
 915         HV *href;
 916         SV **temp;
 917         SV *err_code;
 918         SV *err_string;
 919         SV *hits;
 920         SV *point;
 921         STRLEN len;
 922         Z_RecordComposition *composition;
 923         Z_ElementSetNames *simple;
 924         char *ODR_errstr;
 925         char *ptr;
 926         Zfront_handle *zhandle = (Zfront_handle *)handle;
 927         CV* handler_cv = 0;
 928
 929 /*      WRBUF oid_dotted; */
 930
 931         dSP;
 932         ENTER;
 933         SAVETMPS;
 934
 935         href = newHV();
 936         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 937         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 938         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 939         hv_store(href, "START", 5, newSViv(rr->start), 0);
 940         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 941         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 942         /*oid_dotted = oid2dotted(rr->request_format_raw);
 943         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 944         hv_store(href, "HITS", 4, newSViv(0), 0);
 945         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 946         if (rr->comp)
 947         {
 948                 composition = rr->comp;
 949                 if (composition->which == Z_RecordComp_simple)
 950                 {
 951                         simple = composition->u.simple;
 952                         if (simple->which == Z_ElementSetNames_generic)
 953                         {
 954                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 955                         }
 956                         else
 957                         {
 958                                 rr->errcode = 26;
 959                                 return 0;
 960                         }
 961                 }
 962                 else
 963                 {
 964                         rr->errcode = 26;
 965                         return 0;
 966                 }
 967         }
 968
 969         PUSHMARK(sp);
 970
 971         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 972
 973         PUTBACK;
 974
 975         handler_cv = simpleserver_sv2cv( present_ref );
 976         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 977
 978         SPAGAIN;
 979
 980         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 981         err_code = newSVsv(*temp);
 982
 983         temp = hv_fetch(href, "ERR_STR", 7, 1);
 984         err_string = newSVsv(*temp);
 985
 986         temp = hv_fetch(href, "HITS", 4, 1);
 987         hits = newSVsv(*temp);
 988
 989         temp = hv_fetch(href, "HANDLE", 6, 1);
 990         point = newSVsv(*temp);
 991
 992         PUTBACK;
 993         FREETMPS;
 994         LEAVE;
 995
 996         hv_undef(href);
 997         rr->errcode = SvIV(err_code);
 998         rr->hits = SvIV(hits);
 999
1000         ptr = SvPV(err_string, len);
1001         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1002         strcpy(ODR_errstr, ptr);
1003         rr->errstring = ODR_errstr;
1004 /*      wrbuf_free(oid_dotted, 1);*/
1005         zhandle->handle = point;
1006         handle = zhandle;
1007         sv_free(err_code);
1008         sv_free(err_string);
1009         sv_free(hits);
1010         sv_free( (SV*) href);
1011
1012         return 0;
1013 }
1014
1015
1016 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1017 {
1018         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1019         return 0;
1020 }
1021
1022
1023 int bend_delete(void *handle, bend_delete_rr *rr)
1024 {
1025         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1026         return 0;
1027 }
1028
1029
1030 int bend_scan(void *handle, bend_scan_rr *rr)
1031 {
1032         HV *href;
1033         AV *aref;
1034         AV *list;
1035         AV *entries;
1036         HV *scan_item;
1037         struct scan_entry *scan_list;
1038         struct scan_entry *buffer;
1039         int *step_size = rr->step_size;
1040         int i;
1041         char **basenames;
1042         SV **temp;
1043         SV *err_code = sv_newmortal();
1044         SV *err_str = sv_newmortal();
1045         SV *point = sv_newmortal();
1046         SV *status = sv_newmortal();
1047         SV *number = sv_newmortal();
1048         char *ptr;
1049         char *ODR_errstr;
1050         STRLEN len;
1051         int term_len;
1052         SV *term_tmp;
1053         SV *entries_ref;
1054         Zfront_handle *zhandle = (Zfront_handle *)handle;
1055         CV* handler_cv = 0;
1056
1057         dSP;
1058         ENTER;
1059         SAVETMPS;
1060         href = newHV();
1061         list = newAV();
1062         if (rr->term->term->which == Z_Term_general)
1063         {
1064                 term_len = rr->term->term->u.general->len;
1065                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1066         } else {
1067                 rr->errcode = 229;      /* Unsupported term type */
1068                 return 0;
1069         }
1070         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1071         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1072         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1073         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1074         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1075         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1076         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1077         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1078         aref = newAV();
1079         basenames = rr->basenames;
1080         for (i = 0; i < rr->num_bases; i++)
1081         {
1082                 av_push(aref, newSVpv(*basenames++, 0));
1083         }
1084         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1085
1086         PUSHMARK(sp);
1087
1088         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1089
1090         PUTBACK;
1091
1092         handler_cv = simpleserver_sv2cv( scan_ref );
1093         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1094
1095         SPAGAIN;
1096
1097         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1098         err_code = newSVsv(*temp);
1099
1100         temp = hv_fetch(href, "ERR_STR", 7, 1);
1101         err_str = newSVsv(*temp);
1102
1103         temp = hv_fetch(href, "HANDLE", 6, 1);
1104         point = newSVsv(*temp);
1105
1106         temp = hv_fetch(href, "STATUS", 6, 1);
1107         status = newSVsv(*temp);
1108
1109         temp = hv_fetch(href, "NUMBER", 6, 1);
1110         number = newSVsv(*temp);
1111
1112         temp = hv_fetch(href, "ENTRIES", 7, 1);
1113         entries_ref = newSVsv(*temp);
1114
1115         PUTBACK;
1116         FREETMPS;
1117         LEAVE;
1118
1119         ptr = SvPV(err_str, len);
1120         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1121         strcpy(ODR_errstr, ptr);
1122         rr->errstring = ODR_errstr;
1123         rr->errcode = SvIV(err_code);
1124         rr->num_entries = SvIV(number);
1125         rr->status = SvIV(status);
1126         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1127         buffer = scan_list;
1128         entries = (AV *)SvRV(entries_ref);
1129         for (i = 0; i < rr->num_entries; i++)
1130         {
1131                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1132                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1133                 ptr = SvPV(*temp, len);
1134                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1135                 strcpy(buffer->term, ptr);
1136                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1137                 buffer->occurrences = SvIV(*temp);
1138                 buffer++;
1139                 hv_undef(scan_item);
1140         }
1141         rr->entries = scan_list;
1142         zhandle->handle = point;
1143         handle = zhandle;
1144         sv_free(err_code);
1145         sv_free(err_str);
1146         sv_free(status);
1147         sv_free(number);
1148         hv_undef(href);
1149         sv_free((SV *)href);
1150         av_undef(aref);
1151         sv_free((SV *)aref);
1152         av_undef(list);
1153         sv_free((SV *)list);
1154         av_undef(entries);
1155         /*sv_free((SV *)entries);*/
1156         sv_free(entries_ref);
1157
1158         return 0;
1159 }
1160
1161
1162 bend_initresult *bend_init(bend_initrequest *q)
1163 {
1164         int dummy = simpleserver_clone();
1165         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
1166         HV *href;
1167         SV **temp;
1168         SV *id;
1169         SV *name;
1170         SV *ver;
1171         SV *err_str;
1172         SV *status;
1173         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
1174         STRLEN len;
1175         int n;
1176         SV *handle;
1177         /*char *name_ptr;
1178         char *ver_ptr;*/
1179         char *ptr;
1180         char *user = NULL;
1181         char *passwd = NULL;
1182         CV* handler_cv = 0;
1183
1184         dSP;
1185         ENTER;
1186         SAVETMPS;
1187
1188         /*q->bend_sort = bend_sort;*/
1189         if (search_ref)
1190         {
1191                 q->bend_search = bend_search;
1192         }
1193         if (present_ref)
1194         {
1195                 q->bend_present = bend_present;
1196         }
1197         /*q->bend_esrequest = bend_esrequest;*/
1198         /*q->bend_delete = bend_delete;*/
1199         if (fetch_ref)
1200         {
1201                 q->bend_fetch = bend_fetch;
1202         }
1203         if (scan_ref)
1204         {
1205                 q->bend_scan = bend_scan;
1206         }
1207         href = newHV();
1208         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1209         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1210         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1211         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1212         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1213         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1214         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1215         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1216         if (q->auth) {
1217             if (q->auth->which == Z_IdAuthentication_open) {
1218                 char *openpass = xstrdup (q->auth->u.open);
1219                 char *cp = strchr (openpass, '/');
1220                 if (cp) {
1221                     *cp = '\0';
1222                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1223                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1224                 }
1225                 xfree(openpass);
1226             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1227                 user = q->auth->u.idPass->userId;
1228                 passwd = q->auth->u.idPass->password;
1229             }
1230             /* ### some code paths have user/password unassigned here */
1231             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1232             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1233         }
1234
1235         PUSHMARK(sp);
1236
1237         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1238
1239         PUTBACK;
1240
1241         if (init_ref != NULL)
1242         {
1243              handler_cv = simpleserver_sv2cv( init_ref );
1244              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1245         }
1246
1247         SPAGAIN;
1248
1249         temp = hv_fetch(href, "IMP_ID", 6, 1);
1250         id = newSVsv(*temp);
1251
1252         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1253         name = newSVsv(*temp);
1254
1255         temp = hv_fetch(href, "IMP_VER", 7, 1);
1256         ver = newSVsv(*temp);
1257
1258         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1259         status = newSVsv(*temp);
1260
1261         temp = hv_fetch(href, "ERR_STR", 7, 1);
1262         err_str = newSVsv(*temp);
1263
1264         temp = hv_fetch(href, "HANDLE", 6, 1);
1265         handle= newSVsv(*temp);
1266
1267         hv_undef(href);
1268         PUTBACK;
1269         FREETMPS;
1270         LEAVE;
1271         zhandle->handle = handle;
1272         r->errcode = SvIV(status);
1273         ptr = SvPV(err_str, len);
1274         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1275         strcpy(r->errstring, ptr);
1276         sv_free(err_str);
1277         r->handle = zhandle;
1278         ptr = SvPV(id, len);
1279         q->implementation_id = (char *)xmalloc(len + 1);
1280         strcpy(q->implementation_id, ptr);
1281         ptr = SvPV(name, len);
1282         q->implementation_name = (char *)xmalloc(len + 1);
1283         strcpy(q->implementation_name, ptr);
1284 /*      q->implementation_name = SvPV(name, len);*/
1285         ptr = SvPV(ver, len);
1286         q->implementation_version = (char *)xmalloc(len + 1);
1287         strcpy(q->implementation_version, ptr);
1288
1289         return r;
1290 }
1291
1292
1293 void bend_close(void *handle)
1294 {
1295         HV *href;
1296         Zfront_handle *zhandle = (Zfront_handle *)handle;
1297         SV **temp;
1298         CV* handler_cv = 0;
1299
1300
1301         if (close_ref)
1302         {
1303                 dSP;
1304                 ENTER;
1305                 SAVETMPS;
1306                 href = newHV();
1307                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1308
1309                 PUSHMARK(sp);
1310
1311                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1312
1313                 PUTBACK;
1314
1315                 handler_cv = simpleserver_sv2cv( close_ref );
1316                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1317
1318                 SPAGAIN;
1319
1320                 PUTBACK;
1321                 FREETMPS;
1322                 LEAVE;
1323         }
1324         xfree(handle);
1325         simpleserver_free();
1326
1327         return;
1328 }
1329
1330
1331 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1332
1333 void
1334 set_init_handler(arg)
1335                 SV *arg
1336         CODE:
1337                 init_ref = newSVsv(arg);
1338
1339
1340 void
1341 set_close_handler(arg)
1342                 SV *arg
1343         CODE:
1344                 close_ref = newSVsv(arg);
1345
1346
1347 void
1348 set_sort_handler(arg)
1349                 SV *arg
1350         CODE:
1351                 sort_ref = newSVsv(arg);
1352
1353 void
1354 set_search_handler(arg)
1355                 SV *arg
1356         CODE:
1357                 search_ref = newSVsv(arg);
1358
1359
1360 void
1361 set_fetch_handler(arg)
1362                 SV *arg
1363         CODE:
1364                 fetch_ref = newSVsv(arg);
1365
1366
1367 void
1368 set_present_handler(arg)
1369                 SV *arg
1370         CODE:
1371                 present_ref = newSVsv(arg);
1372
1373
1374 void
1375 set_esrequest_handler(arg)
1376                 SV *arg
1377         CODE:
1378                 esrequest_ref = newSVsv(arg);
1379
1380
1381 void
1382 set_delete_handler(arg)
1383                 SV *arg
1384         CODE:
1385                 delete_ref = newSVsv(arg);
1386
1387
1388 void
1389 set_scan_handler(arg)
1390                 SV *arg
1391         CODE:
1392                 scan_ref = newSVsv(arg);
1393
1394
1395 int
1396 start_server(...)
1397         PREINIT:
1398                 char **argv;
1399                 char **argv_buf;
1400                 char *ptr;
1401                 int i;
1402                 STRLEN len;
1403         CODE:
1404                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1405                 argv = argv_buf;
1406                 for (i = 0; i < items; i++)
1407                 {
1408                         ptr = SvPV(ST(i), len);
1409                         *argv_buf = (char *)xmalloc(len + 1);
1410                         strcpy(*argv_buf++, ptr);
1411                 }
1412                 *argv_buf = NULL;
1413                 root_perl_context = PERL_GET_CONTEXT;
1414                 nmem_mutex_create(&simpleserver_mutex);
1415 #if 0
1416                 tst_clones();
1417 #endif
1418
1419                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1420         OUTPUT:
1421                 RETVAL
1422
1423
1424 int
1425 ScanSuccess()
1426         CODE:
1427                 RETVAL = BEND_SCAN_SUCCESS;
1428         OUTPUT:
1429                 RETVAL
1430
1431 int
1432 ScanPartial()
1433         CODE:
1434                 RETVAL = BEND_SCAN_PARTIAL;
1435         OUTPUT:
1436                 RETVAL
1437
1438