SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.26 2004-05-29 07:04:26 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 "proto.h"
  33 #include "embed.h"
  34 #include "XSUB.h"
  35 #include <yaz/backend.h>
  36 #include <yaz/log.h>
  37 #include <yaz/wrbuf.h>
  38 #include <stdio.h>
  39 #ifdef WIN32
  40 #else
  41 #include <unistd.h>
  42 #endif
  43 #include <stdlib.h>
  44 #include <ctype.h>
  45 #define GRS_MAX_FIELDS 500
  46 #ifdef ASN_COMPILED
  47 #include <yaz/ill.h>
  48 #endif
  49 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  50 #define sv_undef PL_sv_undef
  51 #endif
  52
  53 NMEM_MUTEX simpleserver_mutex;
  54
  55 typedef struct {
  56         SV *handle;
  57
  58         SV *init_ref;
  59         SV *close_ref;
  60         SV *sort_ref;
  61         SV *search_ref;
  62         SV *fetch_ref;
  63         SV *present_ref;
  64         SV *esrequest_ref;
  65         SV *delete_ref;
  66         SV *scan_ref;
  67 } Zfront_handle;
  68
  69 SV *init_ref = NULL;
  70 SV *close_ref = NULL;
  71 SV *sort_ref = NULL;
  72 SV *search_ref = NULL;
  73 SV *fetch_ref = NULL;
  74 SV *present_ref = NULL;
  75 SV *esrequest_ref = NULL;
  76 SV *delete_ref = NULL;
  77 SV *scan_ref = NULL;
  78 PerlInterpreter *root_perl_context;
  79 int MAX_OID = 15;
  80
  81 #define GRS_BUF_SIZE 512
  82
  83 CV * simpleserver_sv2cv(SV *handler) {
  84     STRLEN len;
  85     char *buf;
  86
  87     if (SvPOK(handler)) {
  88         CV *ret;
  89         buf = SvPV( handler, len);
  90         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
  91             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
  92             exit(1);
  93         }
  94
  95         return ret;
  96     } else {
  97         return (CV *) handler;
  98     }
  99 }
 100
 101 /* debuggin routine to check for destruction of Perl interpreters */
 102 #if 0
 103 int tst_clones(void)
 104 {
 105     int i;
 106     PerlInterpreter *parent = PERL_GET_CONTEXT;
 107     for (i = 0; i<500; i++)
 108     {
 109         PerlInterpreter *perl_interp = perl_clone(parent, 0);
 110         PERL_SET_CONTEXT( perl_interp );
 111         PL_perl_destruct_level = 2;
 112         PERL_SET_CONTEXT( parent );
 113         perl_destruct(perl_interp);
 114         perl_free(perl_interp);
 115     }
 116     exit (0);
 117 }
 118 #endif
 119
 120 int simpleserver_clone(void) {
 121 #ifdef USE_ITHREADS
 122      nmem_mutex_enter(simpleserver_mutex);
 123      if (1)
 124      {
 125          PerlInterpreter *current = PERL_GET_CONTEXT;
 126
 127          /* if current is unset, then we're in a new thread with
 128           * no Perl interpreter for it. So we must create one .
 129           * This will only happen when threaded is used..
 130           */
 131          if (!current) {
 132              PerlInterpreter *perl_interp;
 133              PERL_SET_CONTEXT( root_perl_context );
 134              perl_interp = perl_clone(root_perl_context, 0);
 135              PERL_SET_CONTEXT( perl_interp );
 136          }
 137      }
 138      nmem_mutex_leave(simpleserver_mutex);
 139 #endif
 140      return 0;
 141 }
 142
 143
 144 void simpleserver_free(void) {
 145     nmem_mutex_enter(simpleserver_mutex);
 146     if (1)
 147     {
 148         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 149
 150         /* If current Perl Interp is different from root interp, then
 151          * we're in threaded mode and we must destroy..
 152          */
 153         if (current_interp != root_perl_context) {
 154             PL_perl_destruct_level = 2;
 155             PERL_SET_CONTEXT(root_perl_context);
 156             perl_destruct(current_interp);
 157             perl_free(current_interp);
 158         }
 159     }
 160     nmem_mutex_leave(simpleserver_mutex);
 161 }
 162
 163
 164 Z_GenericRecord *read_grs1(char *str, ODR o)
 165 {
 166         int type, ivalue;
 167         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 168         char value[GRS_BUF_SIZE+1];
 169         Z_GenericRecord *r = 0;
 170
 171         original = str;
 172         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 173         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 174         r->num_elements = 0;
 175
 176         for (;;)
 177         {
 178                 Z_TaggedElement *t;
 179                 Z_ElementData *c;
 180                 int len;
 181
 182                 ptr = strchr(str, '\n');
 183                 if (!ptr) {
 184                         return r;
 185                 }
 186                 len = ptr - str;
 187                 if (len > GRS_BUF_SIZE) {
 188                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 189                     len = GRS_BUF_SIZE;
 190                 }
 191                 strncpy(line, str, len);
 192                 line[len] = 0;
 193                 buf = line;
 194                 str = ptr + 1;
 195                 while (*buf && isspace(*buf))
 196                         buf++;
 197                 if (*buf == '}') {
 198                         memmove(original, str, strlen(str));
 199                         return r;
 200                 }
 201                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 202                 {
 203                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 204                         return r;
 205                 }
 206                 if (!type && *value == '0')
 207                         return r;
 208                 if (!(buf = strchr(buf, ')')))
 209                         return r;
 210                 buf++;
 211                 while (*buf && isspace(*buf))
 212                         buf++;
 213                 if (r->num_elements >= GRS_MAX_FIELDS)
 214                 {
 215                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 216                         exit(0);
 217                 }
 218                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 219                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 220                 *t->tagType = type;
 221                 t->tagValue = (Z_StringOrNumeric *)
 222                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 223                 if ((ivalue = atoi(value)))
 224                 {
 225                         t->tagValue->which = Z_StringOrNumeric_numeric;
 226                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 227                         *t->tagValue->u.numeric = ivalue;
 228                 }
 229                 else
 230                 {
 231                         t->tagValue->which = Z_StringOrNumeric_string;
 232                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 233                         strcpy(t->tagValue->u.string, value);
 234                 }
 235                 t->tagOccurrence = 0;
 236                 t->metaData = 0;
 237                 t->appliedVariant = 0;
 238                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 239                 if (*buf == '{')
 240                 {
 241                         c->which = Z_ElementData_subtree;
 242                         c->u.subtree = read_grs1(str, o);
 243                 }
 244                 else
 245                 {
 246                         c->which = Z_ElementData_string;
 247                         c->u.string = odr_strdup(o, buf);
 248                 }
 249                 r->num_elements++;
 250         }
 251 }
 252
 253
 254
 255
 256 static void oid2str(Odr_oid *o, WRBUF buf)
 257 {
 258     for (; *o >= 0; o++) {
 259         char ibuf[16];
 260         sprintf(ibuf, "%d", *o);
 261         wrbuf_puts(buf, ibuf);
 262         if (o[1] > 0)
 263             wrbuf_putc(buf, '.');
 264     }
 265 }
 266
 267
 268 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 269 {
 270     switch (s->which) {
 271         case Z_RPNStructure_simple: {
 272             Z_Operand *o = s->u.simple;
 273
 274             switch (o->which) {
 275                 case Z_Operand_APT: {
 276                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 277
 278                     if (at->attributes) {
 279                         int i;
 280                         char ibuf[16];
 281
 282                         for (i = 0; i < at->attributes->num_attributes; i++) {
 283                             wrbuf_puts(buf, "@attr ");
 284                             if (at->attributes->attributes[i]->attributeSet) {
 285                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 286                                 wrbuf_putc(buf, ' ');
 287                             }
 288                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 289                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 290                             wrbuf_puts(buf, ibuf);
 291                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 292                             wrbuf_puts(buf, ibuf);
 293                         }
 294                     }
 295                     switch (at->term->which) {
 296                         case Z_Term_general: {
 297                             wrbuf_putc(buf, '"');
 298                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 299                             wrbuf_puts(buf, "\" ");
 300                             break;
 301                         }
 302                         default: abort();
 303                     }
 304                     break;
 305                 }
 306                 default: abort();
 307             }
 308             break;
 309         }
 310         case Z_RPNStructure_complex: {
 311             Z_Complex *c = s->u.complex;
 312
 313             switch (c->roperator->which) {
 314                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 315                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 316                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 317                 case Z_Operator_prox: abort();
 318                 default: abort();
 319             }
 320             if (!rpn2pquery(c->s1, buf))
 321                 return 0;
 322             if (!rpn2pquery(c->s2, buf))
 323                 return 0;
 324             break;
 325         }
 326         default: abort();
 327     }
 328     return 1;
 329 }
 330
 331
 332 WRBUF zquery2pquery(Z_Query *q)
 333 {
 334     WRBUF buf = wrbuf_alloc();
 335
 336     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 337         return 0;
 338     if (q->u.type_1->attributeSetId) {
 339         /* Output attribute set ID */
 340         wrbuf_puts(buf, "@attrset ");
 341         oid2str(q->u.type_1->attributeSetId, buf);
 342         wrbuf_putc(buf, ' ');
 343     }
 344     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 345 }
 346
 347
 348 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 349 #include <stdarg.h>
 350 void fatal(char *fmt, ...)
 351 {
 352     va_list ap;
 353
 354     fprintf(stderr, "FATAL (yazwrap): ");
 355     va_start(ap, fmt);
 356     vfprintf(stderr, fmt, ap);
 357     va_end(ap);
 358     fprintf(stderr, "\n");
 359     abort();
 360 }
 361
 362
 363 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 364 /*
 365  * Creates a new Perl object of type `class'; the newly-created scalar
 366  * that is a reference to the blessed thingy `referent' is returned.
 367  */
 368 static SV *newObject(char *class, SV *referent)
 369 {
 370     HV *stash;
 371     SV *sv;
 372
 373     sv = newRV_noinc((SV*) referent);
 374     stash = gv_stashpv(class, 0);
 375     if (stash == 0)
 376         fatal("attempt to create object of undefined class '%s'", class);
 377     /*assert(stash != 0);*/
 378     sv_bless(sv, stash);
 379     return sv;
 380 }
 381
 382
 383 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 384 static void setMember(HV *hv, char *name, SV *val)
 385 {
 386     /* We don't increment `val's reference count -- I think this is
 387      * right because it's created with a refcount of 1, and in fact
 388      * the reference via this hash is the only reference to it in
 389      * general.
 390      */
 391     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 392         fatal("couldn't store member in hash");
 393 }
 394
 395
 396 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 397 static SV *translateOID(Odr_oid *x)
 398 {
 399     /* Yaz represents an OID by an int array terminated by a negative
 400      * value, typically -1; we represent it as a reference to a
 401      * blessed scalar string of "."-separated elements.
 402      */
 403     char buf[1000];
 404     int i;
 405
 406     *buf = '\0';
 407     for (i = 0; x[i] >= 0; i++) {
 408         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 409         if (x[i+1] >- 0)
 410             strcat(buf, ".");
 411     }
 412
 413     /*
 414      * ### We'd like to return a blessed scalar (string) here, but of
 415      *  course you can't do that in Perl: only references can be
 416      *  blessed, so we'd have to return a _reference_ to a string, and
 417      *  bless _that_.  Better to do without the blessing, I think.
 418      */
 419     if (1) {
 420         return newSVpv(buf, 0);
 421     } else {
 422         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 423     }
 424 }
 425
 426
 427 static SV *rpn2perl(Z_RPNStructure *s)
 428 {
 429     SV *sv;
 430     HV *hv;
 431     AV *av;
 432
 433     switch (s->which) {
 434     case Z_RPNStructure_simple: {
 435         Z_Operand *o = s->u.simple;
 436         Z_AttributesPlusTerm *at;
 437         if (o->which != Z_Operand_APT)
 438             fatal("can't handle RPN simples other than APT");
 439         at = o->u.attributesPlusTerm;
 440         if (at->term->which != Z_Term_general)
 441             fatal("can't handle RPN terms other than general");
 442
 443         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 444         if (at->attributes) {
 445             int i;
 446             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 447                                   (SV*) (av = newAV()));
 448             for (i = 0; i < at->attributes->num_attributes; i++) {
 449                 Z_AttributeElement *elem = at->attributes->attributes[i];
 450                 HV *hv2;
 451                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 452                                     (SV*) (hv2 = newHV()));
 453                 if (elem->attributeSet)
 454                     setMember(hv2, "attributeSet",
 455                               translateOID(elem->attributeSet));
 456                 setMember(hv2, "attributeType",
 457                           newSViv(*elem->attributeType));
 458                 assert(elem->which == Z_AttributeValue_numeric);
 459                 setMember(hv2, "attributeValue",
 460                           newSViv(*elem->value.numeric));
 461                 av_push(av, tmp);
 462             }
 463             setMember(hv, "attributes", attrs);
 464         }
 465         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 466                                       at->term->u.general->len));
 467         return sv;
 468     }
 469     case Z_RPNStructure_complex: {
 470         SV *tmp;
 471         Z_Complex *c = s->u.complex;
 472         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 473         switch (c->roperator->which) {
 474         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 475         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 476         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 477         case Z_Operator_prox:    fatal("proximity not yet supported");
 478         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 479         }
 480         sv = newObject(type, (SV*) (av = newAV()));
 481         if ((tmp = rpn2perl(c->s1)) == 0)
 482             return 0;
 483         av_push(av, tmp);
 484         if ((tmp = rpn2perl(c->s2)) == 0)
 485             return 0;
 486         av_push(av, tmp);
 487         return sv;
 488     }
 489     default: fatal("unknown RPN node type %d", (int) s->which);
 490     }
 491
 492     return 0;
 493 }
 494
 495
 496 static SV *zquery2perl(Z_Query *q)
 497 {
 498     SV *sv;
 499     HV *hv;
 500
 501     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 502         return 0;
 503     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 504     if (q->u.type_1->attributeSetId)
 505         setMember(hv, "attributeSet",
 506                   translateOID(q->u.type_1->attributeSetId));
 507     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 508     return sv;
 509 }
 510
 511
 512 int bend_sort(void *handle, bend_sort_rr *rr)
 513 {
 514         HV *href;
 515         AV *aref;
 516         SV **temp;
 517         SV *err_code;
 518         SV *err_str;
 519         SV *status;
 520         STRLEN len;
 521         char *ptr;
 522         char *ODR_err_str;
 523         char **input_setnames;
 524         Zfront_handle *zhandle = (Zfront_handle *)handle;
 525         int i;
 526
 527         dSP;
 528         ENTER;
 529         SAVETMPS;
 530
 531         aref = newAV();
 532         input_setnames = rr->input_setnames;
 533         for (i = 0; i < rr->num_input_setnames; i++)
 534         {
 535                 av_push(aref, newSVpv(*input_setnames++, 0));
 536         }
 537         href = newHV();
 538         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 539         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 540         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 541         hv_store(href, "STATUS", 6, newSViv(0), 0);
 542
 543         PUSHMARK(sp);
 544
 545         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 546
 547         PUTBACK;
 548
 549         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 550
 551         SPAGAIN;
 552
 553         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 554         err_code = newSVsv(*temp);
 555
 556         temp = hv_fetch(href, "ERR_STR", 7, 1);
 557         err_str = newSVsv(*temp);
 558
 559         temp = hv_fetch(href, "STATUS", 6, 1);
 560         status = newSVsv(*temp);
 561
 562
 563
 564
 565         PUTBACK;
 566         FREETMPS;
 567         LEAVE;
 568
 569         hv_undef(href),
 570         av_undef(aref);
 571         rr->errcode = SvIV(err_code);
 572         rr->sort_status = SvIV(status);
 573         ptr = SvPV(err_str, len);
 574         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 575         strcpy(ODR_err_str, ptr);
 576         rr->errstring = ODR_err_str;
 577
 578         sv_free(err_code);
 579         sv_free(err_str);
 580         sv_free(status);
 581
 582         return 0;
 583 }
 584
 585
 586 int bend_search(void *handle, bend_search_rr *rr)
 587 {
 588         HV *href;
 589         AV *aref;
 590         SV **temp;
 591         SV *hits;
 592         SV *err_code;
 593         SV *err_str;
 594         char *ODR_errstr;
 595         STRLEN len;
 596         int i;
 597         char **basenames;
 598         int n;
 599         WRBUF query;
 600         char *ptr;
 601         SV *point;
 602         SV *ODR_point;
 603         Zfront_handle *zhandle = (Zfront_handle *)handle;
 604         CV* handler_cv = 0;
 605
 606         dSP;
 607         ENTER;
 608         SAVETMPS;
 609
 610         aref = newAV();
 611         basenames = rr->basenames;
 612         for (i = 0; i < rr->num_bases; i++)
 613         {
 614                 av_push(aref, newSVpv(*basenames++, 0));
 615         }
 616         href = newHV();
 617         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 618         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 619         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 620         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 621         hv_store(href, "HITS", 4, newSViv(0), 0);
 622         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 623         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 624         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 625         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 626         query = zquery2pquery(rr->query);
 627         if (query)
 628         {
 629                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 630         }
 631         else
 632         {
 633                 rr->errcode = 108;
 634         }
 635         PUSHMARK(sp);
 636
 637         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 638
 639         PUTBACK;
 640
 641         handler_cv = simpleserver_sv2cv( search_ref );
 642         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 643
 644         SPAGAIN;
 645
 646         temp = hv_fetch(href, "HITS", 4, 1);
 647         hits = newSVsv(*temp);
 648
 649         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 650         err_code = newSVsv(*temp);
 651
 652         temp = hv_fetch(href, "ERR_STR", 7, 1);
 653         err_str = newSVsv(*temp);
 654
 655         temp = hv_fetch(href, "HANDLE", 6, 1);
 656         point = newSVsv(*temp);
 657
 658         PUTBACK;
 659         FREETMPS;
 660         LEAVE;
 661
 662         hv_undef(href);
 663         av_undef(aref);
 664         rr->hits = SvIV(hits);
 665         rr->errcode = SvIV(err_code);
 666         ptr = SvPV(err_str, len);
 667         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 668         strcpy(ODR_errstr, ptr);
 669         rr->errstring = ODR_errstr;
 670 /*      ODR_point = (SV *)odr_malloc(rr->stream, sizeof(*point));
 671         memcpy(ODR_point, point, sizeof(*point));
 672         zhandle->handle = ODR_point;*/
 673         zhandle->handle = point;
 674         handle = zhandle;
 675         sv_free(hits);
 676         sv_free(err_code);
 677         sv_free(err_str);
 678         sv_free( (SV*) aref);
 679         sv_free( (SV*) href);
 680         /*sv_free(point);*/
 681         wrbuf_free(query, 1);
 682         return 0;
 683 }
 684
 685
 686 /* ### this is worryingly similar to oid2str() */
 687 WRBUF oid2dotted(int *oid)
 688 {
 689
 690         WRBUF buf = wrbuf_alloc();
 691         int dot = 0;
 692
 693         for (; *oid != -1 ; oid++)
 694         {
 695                 char ibuf[16];
 696                 if (dot)
 697                 {
 698                         wrbuf_putc(buf, '.');
 699                 }
 700                 else
 701                 {
 702                         dot = 1;
 703                 }
 704                 sprintf(ibuf, "%d", *oid);
 705                 wrbuf_puts(buf, ibuf);
 706         }
 707         return buf;
 708 }
 709
 710
 711 int dotted2oid(char *dotted, int *buffer)
 712 {
 713         int *oid;
 714         char ibuf[16];
 715         char *ptr;
 716         int n = 0;
 717
 718         ptr = ibuf;
 719         oid = buffer;
 720         while (*dotted)
 721         {
 722                 if (*dotted == '.')
 723                 {
 724                         n++;
 725                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 726                         {
 727                                 *oid = -1;
 728                                 return -1;
 729                         }
 730                         *ptr = 0;
 731                         sscanf(ibuf, "%d", oid++);
 732                         ptr = ibuf;
 733                         dotted++;
 734
 735                 }
 736                 else
 737                 {
 738                         *ptr++ = *dotted++;
 739                 }
 740         }
 741         if (n < MAX_OID)
 742         {
 743                 *ptr = 0;
 744                 sscanf(ibuf, "%d", oid++);
 745         }
 746         *oid = -1;
 747         return 0;
 748 }
 749
 750
 751 int bend_fetch(void *handle, bend_fetch_rr *rr)
 752 {
 753         HV *href;
 754         SV **temp;
 755         SV *basename;
 756         SV *record;
 757         SV *last;
 758         SV *err_code;
 759         SV *err_string;
 760         SV *sur_flag;
 761         SV *point;
 762         SV *rep_form;
 763         char *ptr;
 764         char *ODR_record;
 765         char *ODR_basename;
 766         char *ODR_errstr;
 767         int *ODR_oid_buf;
 768         oident *oid;
 769         WRBUF oid_dotted;
 770         Zfront_handle *zhandle = (Zfront_handle *)handle;
 771         CV* handler_cv = 0;
 772
 773         Z_RecordComposition *composition;
 774         Z_ElementSetNames *simple;
 775         STRLEN length;
 776
 777         dSP;
 778         ENTER;
 779         SAVETMPS;
 780
 781         rr->errcode = 0;
 782         href = newHV();
 783         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 784         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 785         oid_dotted = oid2dotted(rr->request_format_raw);
 786         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 787         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 788         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 789         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 790         hv_store(href, "LAST", 4, newSViv(0), 0);
 791         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 792         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 793         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 794         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 795         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 796         if (rr->comp)
 797         {
 798                 composition = rr->comp;
 799                 if (composition->which == Z_RecordComp_simple)
 800                 {
 801                         simple = composition->u.simple;
 802                         if (simple->which == Z_ElementSetNames_generic)
 803                         {
 804                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 805                         }
 806                         else
 807                         {
 808                                 rr->errcode = 26;
 809                         }
 810                 }
 811                 else
 812                 {
 813                         rr->errcode = 26;
 814                 }
 815         }
 816
 817         PUSHMARK(sp);
 818
 819         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 820
 821         PUTBACK;
 822
 823         handler_cv = simpleserver_sv2cv( fetch_ref );
 824         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 825
 826         SPAGAIN;
 827
 828         temp = hv_fetch(href, "BASENAME", 8, 1);
 829         basename = newSVsv(*temp);
 830
 831         temp = hv_fetch(href, "RECORD", 6, 1);
 832         record = newSVsv(*temp);
 833
 834         temp = hv_fetch(href, "LAST", 4, 1);
 835         last = newSVsv(*temp);
 836
 837         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 838         err_code = newSVsv(*temp);
 839
 840         temp = hv_fetch(href, "ERR_STR", 7, 1),
 841         err_string = newSVsv(*temp);
 842
 843         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 844         sur_flag = newSVsv(*temp);
 845
 846         temp = hv_fetch(href, "REP_FORM", 8, 1);
 847         rep_form = newSVsv(*temp);
 848
 849         temp = hv_fetch(href, "HANDLE", 6, 1);
 850         point = newSVsv(*temp);
 851
 852         PUTBACK;
 853         FREETMPS;
 854         LEAVE;
 855
 856         hv_undef(href);
 857
 858         ptr = SvPV(basename, length);
 859         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 860         strcpy(ODR_basename, ptr);
 861         rr->basename = ODR_basename;
 862
 863         ptr = SvPV(rep_form, length);
 864         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 865         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 866         {
 867                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 868         }
 869         rr->output_format_raw = ODR_oid_buf;
 870
 871         ptr = SvPV(record, length);
 872         oid = oid_getentbyoid(ODR_oid_buf);
 873         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 874         {
 875                 rr->record = (char *) read_grs1(ptr, rr->stream);
 876                 rr->len = -1;
 877         }
 878         else
 879         {
 880                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 881                 strcpy(ODR_record, ptr);
 882                 rr->record = ODR_record;
 883                 rr->len = length;
 884         }
 885         zhandle->handle = point;
 886         handle = zhandle;
 887         rr->last_in_set = SvIV(last);
 888
 889         if (!(rr->errcode))
 890         {
 891                 rr->errcode = SvIV(err_code);
 892                 ptr = SvPV(err_string, length);
 893                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 894                 strcpy(ODR_errstr, ptr);
 895                 rr->errstring = ODR_errstr;
 896         }
 897         rr->surrogate_flag = SvIV(sur_flag);
 898
 899         wrbuf_free(oid_dotted, 1);
 900         sv_free((SV*) href);
 901         sv_free(basename);
 902         sv_free(record);
 903         sv_free(last);
 904         sv_free(err_string);
 905         sv_free(err_code),
 906         sv_free(sur_flag);
 907         sv_free(rep_form);
 908
 909         return 0;
 910 }
 911
 912
 913 int bend_present(void *handle, bend_present_rr *rr)
 914 {
 915
 916         HV *href;
 917         SV **temp;
 918         SV *err_code;
 919         SV *err_string;
 920         SV *hits;
 921         SV *point;
 922         STRLEN len;
 923         Z_RecordComposition *composition;
 924         Z_ElementSetNames *simple;
 925         char *ODR_errstr;
 926         char *ptr;
 927         Zfront_handle *zhandle = (Zfront_handle *)handle;
 928         CV* handler_cv = 0;
 929
 930 /*      WRBUF oid_dotted; */
 931
 932         dSP;
 933         ENTER;
 934         SAVETMPS;
 935
 936         href = newHV();
 937         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 938         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 939         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 940         hv_store(href, "START", 5, newSViv(rr->start), 0);
 941         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 942         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 943         /*oid_dotted = oid2dotted(rr->request_format_raw);
 944         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 945         hv_store(href, "HITS", 4, newSViv(0), 0);
 946         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 947         if (rr->comp)
 948         {
 949                 composition = rr->comp;
 950                 if (composition->which == Z_RecordComp_simple)
 951                 {
 952                         simple = composition->u.simple;
 953                         if (simple->which == Z_ElementSetNames_generic)
 954                         {
 955                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 956                         }
 957                         else
 958                         {
 959                                 rr->errcode = 26;
 960                                 return 0;
 961                         }
 962                 }
 963                 else
 964                 {
 965                         rr->errcode = 26;
 966                         return 0;
 967                 }
 968         }
 969
 970         PUSHMARK(sp);
 971
 972         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 973
 974         PUTBACK;
 975
 976         handler_cv = simpleserver_sv2cv( present_ref );
 977         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 978
 979         SPAGAIN;
 980
 981         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 982         err_code = newSVsv(*temp);
 983
 984         temp = hv_fetch(href, "ERR_STR", 7, 1);
 985         err_string = newSVsv(*temp);
 986
 987         temp = hv_fetch(href, "HITS", 4, 1);
 988         hits = newSVsv(*temp);
 989
 990         temp = hv_fetch(href, "HANDLE", 6, 1);
 991         point = newSVsv(*temp);
 992
 993         PUTBACK;
 994         FREETMPS;
 995         LEAVE;
 996
 997         hv_undef(href);
 998         rr->errcode = SvIV(err_code);
 999         rr->hits = SvIV(hits);
1000
1001         ptr = SvPV(err_string, len);
1002         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1003         strcpy(ODR_errstr, ptr);
1004         rr->errstring = ODR_errstr;
1005 /*      wrbuf_free(oid_dotted, 1);*/
1006         zhandle->handle = point;
1007         handle = zhandle;
1008         sv_free(err_code);
1009         sv_free(err_string);
1010         sv_free(hits);
1011         sv_free( (SV*) href);
1012
1013         return 0;
1014 }
1015
1016
1017 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1018 {
1019         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1020         return 0;
1021 }
1022
1023
1024 int bend_delete(void *handle, bend_delete_rr *rr)
1025 {
1026         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1027         return 0;
1028 }
1029
1030
1031 int bend_scan(void *handle, bend_scan_rr *rr)
1032 {
1033         HV *href;
1034         AV *aref;
1035         AV *list;
1036         AV *entries;
1037         HV *scan_item;
1038         struct scan_entry *scan_list;
1039         struct scan_entry *buffer;
1040         int *step_size = rr->step_size;
1041         int i;
1042         char **basenames;
1043         SV **temp;
1044         SV *err_code = sv_newmortal();
1045         SV *err_str = sv_newmortal();
1046         SV *point = sv_newmortal();
1047         SV *status = sv_newmortal();
1048         SV *number = sv_newmortal();
1049         char *ptr;
1050         char *ODR_errstr;
1051         STRLEN len;
1052         int term_len;
1053         SV *term_tmp;
1054         SV *entries_ref;
1055         Zfront_handle *zhandle = (Zfront_handle *)handle;
1056         CV* handler_cv = 0;
1057
1058         dSP;
1059         ENTER;
1060         SAVETMPS;
1061         href = newHV();
1062         list = newAV();
1063         if (rr->term->term->which == Z_Term_general)
1064         {
1065                 term_len = rr->term->term->u.general->len;
1066                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1067         } else {
1068                 rr->errcode = 229;      /* Unsupported term type */
1069                 return 0;
1070         }
1071         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1072         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1073         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1074         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1075         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1076         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1077         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1078         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1079         aref = newAV();
1080         basenames = rr->basenames;
1081         for (i = 0; i < rr->num_bases; i++)
1082         {
1083                 av_push(aref, newSVpv(*basenames++, 0));
1084         }
1085         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1086
1087         PUSHMARK(sp);
1088
1089         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1090
1091         PUTBACK;
1092
1093         handler_cv = simpleserver_sv2cv( scan_ref );
1094         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1095
1096         SPAGAIN;
1097
1098         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1099         err_code = newSVsv(*temp);
1100
1101         temp = hv_fetch(href, "ERR_STR", 7, 1);
1102         err_str = newSVsv(*temp);
1103
1104         temp = hv_fetch(href, "HANDLE", 6, 1);
1105         point = newSVsv(*temp);
1106
1107         temp = hv_fetch(href, "STATUS", 6, 1);
1108         status = newSVsv(*temp);
1109
1110         temp = hv_fetch(href, "NUMBER", 6, 1);
1111         number = newSVsv(*temp);
1112
1113         temp = hv_fetch(href, "ENTRIES", 7, 1);
1114         entries_ref = newSVsv(*temp);
1115
1116         PUTBACK;
1117         FREETMPS;
1118         LEAVE;
1119
1120         ptr = SvPV(err_str, len);
1121         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1122         strcpy(ODR_errstr, ptr);
1123         rr->errstring = ODR_errstr;
1124         rr->errcode = SvIV(err_code);
1125         rr->num_entries = SvIV(number);
1126         rr->status = SvIV(status);
1127         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1128         buffer = scan_list;
1129         entries = (AV *)SvRV(entries_ref);
1130         for (i = 0; i < rr->num_entries; i++)
1131         {
1132                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1133                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1134                 ptr = SvPV(*temp, len);
1135                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1136                 strcpy(buffer->term, ptr);
1137                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1138                 buffer->occurrences = SvIV(*temp);
1139                 buffer++;
1140                 hv_undef(scan_item);
1141         }
1142         rr->entries = scan_list;
1143         zhandle->handle = point;
1144         handle = zhandle;
1145         sv_free(err_code);
1146         sv_free(err_str);
1147         sv_free(status);
1148         sv_free(number);
1149         hv_undef(href);
1150         sv_free((SV *)href);
1151         av_undef(aref);
1152         sv_free((SV *)aref);
1153         av_undef(list);
1154         sv_free((SV *)list);
1155         av_undef(entries);
1156         /*sv_free((SV *)entries);*/
1157         sv_free(entries_ref);
1158
1159         return 0;
1160 }
1161
1162
1163 bend_initresult *bend_init(bend_initrequest *q)
1164 {
1165         int dummy = simpleserver_clone();
1166         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
1167         HV *href;
1168         SV **temp;
1169         SV *id;
1170         SV *name;
1171         SV *ver;
1172         SV *err_str;
1173         SV *status;
1174         Zfront_handle *zhandle =  (Zfront_handle *) xmalloc (sizeof(*zhandle));
1175         STRLEN len;
1176         int n;
1177         SV *handle;
1178         /*char *name_ptr;
1179         char *ver_ptr;*/
1180         char *ptr;
1181         char *user = NULL;
1182         char *passwd = NULL;
1183         CV* handler_cv = 0;
1184
1185         dSP;
1186         ENTER;
1187         SAVETMPS;
1188
1189         /*q->bend_sort = bend_sort;*/
1190         if (search_ref)
1191         {
1192                 q->bend_search = bend_search;
1193         }
1194         if (present_ref)
1195         {
1196                 q->bend_present = bend_present;
1197         }
1198         /*q->bend_esrequest = bend_esrequest;*/
1199         /*q->bend_delete = bend_delete;*/
1200         if (fetch_ref)
1201         {
1202                 q->bend_fetch = bend_fetch;
1203         }
1204         if (scan_ref)
1205         {
1206                 q->bend_scan = bend_scan;
1207         }
1208         href = newHV();
1209         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1210         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1211         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1212         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1213         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1214         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1215         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1216         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1217         if (q->auth) {
1218             if (q->auth->which == Z_IdAuthentication_open) {
1219                 char *openpass = xstrdup (q->auth->u.open);
1220                 char *cp = strchr (openpass, '/');
1221                 if (cp) {
1222                     *cp = '\0';
1223                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1224                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1225                 }
1226                 xfree(openpass);
1227             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1228                 user = q->auth->u.idPass->userId;
1229                 passwd = q->auth->u.idPass->password;
1230             }
1231             /* ### some code paths have user/password unassigned here */
1232             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1233             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1234         }
1235
1236         PUSHMARK(sp);
1237
1238         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1239
1240         PUTBACK;
1241
1242         if (init_ref != NULL)
1243         {
1244              handler_cv = simpleserver_sv2cv( init_ref );
1245              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1246         }
1247
1248         SPAGAIN;
1249
1250         temp = hv_fetch(href, "IMP_ID", 6, 1);
1251         id = newSVsv(*temp);
1252
1253         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1254         name = newSVsv(*temp);
1255
1256         temp = hv_fetch(href, "IMP_VER", 7, 1);
1257         ver = newSVsv(*temp);
1258
1259         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1260         status = newSVsv(*temp);
1261
1262         temp = hv_fetch(href, "ERR_STR", 7, 1);
1263         err_str = newSVsv(*temp);
1264
1265         temp = hv_fetch(href, "HANDLE", 6, 1);
1266         handle= newSVsv(*temp);
1267
1268         hv_undef(href);
1269         PUTBACK;
1270         FREETMPS;
1271         LEAVE;
1272         zhandle->handle = handle;
1273         r->errcode = SvIV(status);
1274         ptr = SvPV(err_str, len);
1275         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1276         strcpy(r->errstring, ptr);
1277         sv_free(err_str);
1278         r->handle = zhandle;
1279         ptr = SvPV(id, len);
1280         q->implementation_id = (char *)xmalloc(len + 1);
1281         strcpy(q->implementation_id, ptr);
1282         ptr = SvPV(name, len);
1283         q->implementation_name = (char *)xmalloc(len + 1);
1284         strcpy(q->implementation_name, ptr);
1285 /*      q->implementation_name = SvPV(name, len);*/
1286         ptr = SvPV(ver, len);
1287         q->implementation_version = (char *)xmalloc(len + 1);
1288         strcpy(q->implementation_version, ptr);
1289
1290         return r;
1291 }
1292
1293
1294 void bend_close(void *handle)
1295 {
1296         HV *href;
1297         Zfront_handle *zhandle = (Zfront_handle *)handle;
1298         SV **temp;
1299         CV* handler_cv = 0;
1300
1301
1302         if (close_ref)
1303         {
1304                 dSP;
1305                 ENTER;
1306                 SAVETMPS;
1307                 href = newHV();
1308                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1309
1310                 PUSHMARK(sp);
1311
1312                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1313
1314                 PUTBACK;
1315
1316                 handler_cv = simpleserver_sv2cv( close_ref );
1317                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1318
1319                 SPAGAIN;
1320
1321                 PUTBACK;
1322                 FREETMPS;
1323                 LEAVE;
1324         }
1325         xfree(handle);
1326         simpleserver_free();
1327
1328         return;
1329 }
1330
1331
1332 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1333
1334 void
1335 set_init_handler(arg)
1336                 SV *arg
1337         CODE:
1338                 init_ref = newSVsv(arg);
1339
1340
1341 void
1342 set_close_handler(arg)
1343                 SV *arg
1344         CODE:
1345                 close_ref = newSVsv(arg);
1346
1347
1348 void
1349 set_sort_handler(arg)
1350                 SV *arg
1351         CODE:
1352                 sort_ref = newSVsv(arg);
1353
1354 void
1355 set_search_handler(arg)
1356                 SV *arg
1357         CODE:
1358                 search_ref = newSVsv(arg);
1359
1360
1361 void
1362 set_fetch_handler(arg)
1363                 SV *arg
1364         CODE:
1365                 fetch_ref = newSVsv(arg);
1366
1367
1368 void
1369 set_present_handler(arg)
1370                 SV *arg
1371         CODE:
1372                 present_ref = newSVsv(arg);
1373
1374
1375 void
1376 set_esrequest_handler(arg)
1377                 SV *arg
1378         CODE:
1379                 esrequest_ref = newSVsv(arg);
1380
1381
1382 void
1383 set_delete_handler(arg)
1384                 SV *arg
1385         CODE:
1386                 delete_ref = newSVsv(arg);
1387
1388
1389 void
1390 set_scan_handler(arg)
1391                 SV *arg
1392         CODE:
1393                 scan_ref = newSVsv(arg);
1394
1395
1396 int
1397 start_server(...)
1398         PREINIT:
1399                 char **argv;
1400                 char **argv_buf;
1401                 char *ptr;
1402                 int i;
1403                 STRLEN len;
1404         CODE:
1405                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1406                 argv = argv_buf;
1407                 for (i = 0; i < items; i++)
1408                 {
1409                         ptr = SvPV(ST(i), len);
1410                         *argv_buf = (char *)xmalloc(len + 1);
1411                         strcpy(*argv_buf++, ptr);
1412                 }
1413                 *argv_buf = NULL;
1414                 root_perl_context = PERL_GET_CONTEXT;
1415                 nmem_mutex_create(&simpleserver_mutex);
1416 #if 0
1417                 tst_clones();
1418 #endif
1419
1420                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1421         OUTPUT:
1422                 RETVAL
1423
1424
1425 int
1426 ScanSuccess()
1427         CODE:
1428                 RETVAL = BEND_SCAN_SUCCESS;
1429         OUTPUT:
1430                 RETVAL
1431
1432 int
1433 ScanPartial()
1434         CODE:
1435                 RETVAL = BEND_SCAN_PARTIAL;
1436         OUTPUT:
1437                 RETVAL
1438
1439