SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.28 2004-06-05 07:55:05 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         NMEM nmem;
  68         int stop_flag;  /* is used to stop server prematurely .. */
  69 } Zfront_handle;
  70
  71 #define ENABLE_STOP_SERVER 0
  72
  73 SV *init_ref = NULL;
  74 SV *close_ref = NULL;
  75 SV *sort_ref = NULL;
  76 SV *search_ref = NULL;
  77 SV *fetch_ref = NULL;
  78 SV *present_ref = NULL;
  79 SV *esrequest_ref = NULL;
  80 SV *delete_ref = NULL;
  81 SV *scan_ref = NULL;
  82 PerlInterpreter *root_perl_context;
  83 int MAX_OID = 15;
  84
  85 #define GRS_BUF_SIZE 512
  86
  87 CV * simpleserver_sv2cv(SV *handler) {
  88     STRLEN len;
  89     char *buf;
  90
  91     if (SvPOK(handler)) {
  92         CV *ret;
  93         buf = SvPV( handler, len);
  94         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
  95             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
  96             exit(1);
  97         }
  98
  99         return ret;
 100     } else {
 101         return (CV *) handler;
 102     }
 103 }
 104
 105 /* debuggin routine to check for destruction of Perl interpreters */
 106 #if 0
 107 int tst_clones(void)
 108 {
 109     int i;
 110     PerlInterpreter *parent = PERL_GET_CONTEXT;
 111     for (i = 0; i<500; i++)
 112     {
 113         PerlInterpreter *perl_interp = perl_clone(parent, 0);
 114         PERL_SET_CONTEXT( perl_interp );
 115         PL_perl_destruct_level = 2;
 116         PERL_SET_CONTEXT( parent );
 117         perl_destruct(perl_interp);
 118         perl_free(perl_interp);
 119     }
 120     exit (0);
 121 }
 122 #endif
 123
 124 int simpleserver_clone(void) {
 125 #ifdef USE_ITHREADS
 126      nmem_mutex_enter(simpleserver_mutex);
 127      if (1)
 128      {
 129          PerlInterpreter *current = PERL_GET_CONTEXT;
 130
 131          /* if current is unset, then we're in a new thread with
 132           * no Perl interpreter for it. So we must create one .
 133           * This will only happen when threaded is used..
 134           */
 135          if (!current) {
 136              PerlInterpreter *perl_interp;
 137              PERL_SET_CONTEXT( root_perl_context );
 138              perl_interp = perl_clone(root_perl_context, 0);
 139              PERL_SET_CONTEXT( perl_interp );
 140          }
 141      }
 142      nmem_mutex_leave(simpleserver_mutex);
 143 #endif
 144      return 0;
 145 }
 146
 147
 148 void simpleserver_free(void) {
 149     nmem_mutex_enter(simpleserver_mutex);
 150     if (1)
 151     {
 152         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 153
 154         /* If current Perl Interp is different from root interp, then
 155          * we're in threaded mode and we must destroy..
 156          */
 157         if (current_interp != root_perl_context) {
 158             PL_perl_destruct_level = 2;
 159             PERL_SET_CONTEXT(root_perl_context);
 160             perl_destruct(current_interp);
 161             perl_free(current_interp);
 162         }
 163     }
 164     nmem_mutex_leave(simpleserver_mutex);
 165 }
 166
 167
 168 Z_GenericRecord *read_grs1(char *str, ODR o)
 169 {
 170         int type, ivalue;
 171         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 172         char value[GRS_BUF_SIZE+1];
 173         Z_GenericRecord *r = 0;
 174
 175         original = str;
 176         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 177         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 178         r->num_elements = 0;
 179
 180         for (;;)
 181         {
 182                 Z_TaggedElement *t;
 183                 Z_ElementData *c;
 184                 int len;
 185
 186                 ptr = strchr(str, '\n');
 187                 if (!ptr) {
 188                         return r;
 189                 }
 190                 len = ptr - str;
 191                 if (len > GRS_BUF_SIZE) {
 192                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 193                     len = GRS_BUF_SIZE;
 194                 }
 195                 strncpy(line, str, len);
 196                 line[len] = 0;
 197                 buf = line;
 198                 str = ptr + 1;
 199                 while (*buf && isspace(*buf))
 200                         buf++;
 201                 if (*buf == '}') {
 202                         memmove(original, str, strlen(str));
 203                         return r;
 204                 }
 205                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 206                 {
 207                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 208                         return r;
 209                 }
 210                 if (!type && *value == '0')
 211                         return r;
 212                 if (!(buf = strchr(buf, ')')))
 213                         return r;
 214                 buf++;
 215                 while (*buf && isspace(*buf))
 216                         buf++;
 217                 if (r->num_elements >= GRS_MAX_FIELDS)
 218                 {
 219                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 220                         exit(0);
 221                 }
 222                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 223                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 224                 *t->tagType = type;
 225                 t->tagValue = (Z_StringOrNumeric *)
 226                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 227                 if ((ivalue = atoi(value)))
 228                 {
 229                         t->tagValue->which = Z_StringOrNumeric_numeric;
 230                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 231                         *t->tagValue->u.numeric = ivalue;
 232                 }
 233                 else
 234                 {
 235                         t->tagValue->which = Z_StringOrNumeric_string;
 236                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 237                         strcpy(t->tagValue->u.string, value);
 238                 }
 239                 t->tagOccurrence = 0;
 240                 t->metaData = 0;
 241                 t->appliedVariant = 0;
 242                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 243                 if (*buf == '{')
 244                 {
 245                         c->which = Z_ElementData_subtree;
 246                         c->u.subtree = read_grs1(str, o);
 247                 }
 248                 else
 249                 {
 250                         c->which = Z_ElementData_string;
 251                         c->u.string = odr_strdup(o, buf);
 252                 }
 253                 r->num_elements++;
 254         }
 255 }
 256
 257
 258
 259
 260 static void oid2str(Odr_oid *o, WRBUF buf)
 261 {
 262     for (; *o >= 0; o++) {
 263         char ibuf[16];
 264         sprintf(ibuf, "%d", *o);
 265         wrbuf_puts(buf, ibuf);
 266         if (o[1] > 0)
 267             wrbuf_putc(buf, '.');
 268     }
 269 }
 270
 271
 272 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 273 {
 274     switch (s->which) {
 275         case Z_RPNStructure_simple: {
 276             Z_Operand *o = s->u.simple;
 277
 278             switch (o->which) {
 279                 case Z_Operand_APT: {
 280                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 281
 282                     if (at->attributes) {
 283                         int i;
 284                         char ibuf[16];
 285
 286                         for (i = 0; i < at->attributes->num_attributes; i++) {
 287                             wrbuf_puts(buf, "@attr ");
 288                             if (at->attributes->attributes[i]->attributeSet) {
 289                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 290                                 wrbuf_putc(buf, ' ');
 291                             }
 292                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 293                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 294                             wrbuf_puts(buf, ibuf);
 295                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 296                             wrbuf_puts(buf, ibuf);
 297                         }
 298                     }
 299                     switch (at->term->which) {
 300                         case Z_Term_general: {
 301                             wrbuf_putc(buf, '"');
 302                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 303                             wrbuf_puts(buf, "\" ");
 304                             break;
 305                         }
 306                         default: abort();
 307                     }
 308                     break;
 309                 }
 310                 default: abort();
 311             }
 312             break;
 313         }
 314         case Z_RPNStructure_complex: {
 315             Z_Complex *c = s->u.complex;
 316
 317             switch (c->roperator->which) {
 318                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 319                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 320                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 321                 case Z_Operator_prox: abort();
 322                 default: abort();
 323             }
 324             if (!rpn2pquery(c->s1, buf))
 325                 return 0;
 326             if (!rpn2pquery(c->s2, buf))
 327                 return 0;
 328             break;
 329         }
 330         default: abort();
 331     }
 332     return 1;
 333 }
 334
 335
 336 WRBUF zquery2pquery(Z_Query *q)
 337 {
 338     WRBUF buf = wrbuf_alloc();
 339
 340     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 341         return 0;
 342     if (q->u.type_1->attributeSetId) {
 343         /* Output attribute set ID */
 344         wrbuf_puts(buf, "@attrset ");
 345         oid2str(q->u.type_1->attributeSetId, buf);
 346         wrbuf_putc(buf, ' ');
 347     }
 348     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 349 }
 350
 351
 352 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 353 #include <stdarg.h>
 354 void fatal(char *fmt, ...)
 355 {
 356     va_list ap;
 357
 358     fprintf(stderr, "FATAL (yazwrap): ");
 359     va_start(ap, fmt);
 360     vfprintf(stderr, fmt, ap);
 361     va_end(ap);
 362     fprintf(stderr, "\n");
 363     abort();
 364 }
 365
 366
 367 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 368 /*
 369  * Creates a new Perl object of type `class'; the newly-created scalar
 370  * that is a reference to the blessed thingy `referent' is returned.
 371  */
 372 static SV *newObject(char *class, SV *referent)
 373 {
 374     HV *stash;
 375     SV *sv;
 376
 377     sv = newRV_noinc((SV*) referent);
 378     stash = gv_stashpv(class, 0);
 379     if (stash == 0)
 380         fatal("attempt to create object of undefined class '%s'", class);
 381     /*assert(stash != 0);*/
 382     sv_bless(sv, stash);
 383     return sv;
 384 }
 385
 386
 387 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 388 static void setMember(HV *hv, char *name, SV *val)
 389 {
 390     /* We don't increment `val's reference count -- I think this is
 391      * right because it's created with a refcount of 1, and in fact
 392      * the reference via this hash is the only reference to it in
 393      * general.
 394      */
 395     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 396         fatal("couldn't store member in hash");
 397 }
 398
 399
 400 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 401 static SV *translateOID(Odr_oid *x)
 402 {
 403     /* Yaz represents an OID by an int array terminated by a negative
 404      * value, typically -1; we represent it as a reference to a
 405      * blessed scalar string of "."-separated elements.
 406      */
 407     char buf[1000];
 408     int i;
 409
 410     *buf = '\0';
 411     for (i = 0; x[i] >= 0; i++) {
 412         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 413         if (x[i+1] >- 0)
 414             strcat(buf, ".");
 415     }
 416
 417     /*
 418      * ### We'd like to return a blessed scalar (string) here, but of
 419      *  course you can't do that in Perl: only references can be
 420      *  blessed, so we'd have to return a _reference_ to a string, and
 421      *  bless _that_.  Better to do without the blessing, I think.
 422      */
 423     if (1) {
 424         return newSVpv(buf, 0);
 425     } else {
 426         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 427     }
 428 }
 429
 430
 431 static SV *rpn2perl(Z_RPNStructure *s)
 432 {
 433     SV *sv;
 434     HV *hv;
 435     AV *av;
 436
 437     switch (s->which) {
 438     case Z_RPNStructure_simple: {
 439         Z_Operand *o = s->u.simple;
 440         Z_AttributesPlusTerm *at;
 441         if (o->which != Z_Operand_APT)
 442             fatal("can't handle RPN simples other than APT");
 443         at = o->u.attributesPlusTerm;
 444         if (at->term->which != Z_Term_general)
 445             fatal("can't handle RPN terms other than general");
 446
 447         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 448         if (at->attributes) {
 449             int i;
 450             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 451                                   (SV*) (av = newAV()));
 452             for (i = 0; i < at->attributes->num_attributes; i++) {
 453                 Z_AttributeElement *elem = at->attributes->attributes[i];
 454                 HV *hv2;
 455                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 456                                     (SV*) (hv2 = newHV()));
 457                 if (elem->attributeSet)
 458                     setMember(hv2, "attributeSet",
 459                               translateOID(elem->attributeSet));
 460                 setMember(hv2, "attributeType",
 461                           newSViv(*elem->attributeType));
 462                 assert(elem->which == Z_AttributeValue_numeric);
 463                 setMember(hv2, "attributeValue",
 464                           newSViv(*elem->value.numeric));
 465                 av_push(av, tmp);
 466             }
 467             setMember(hv, "attributes", attrs);
 468         }
 469         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 470                                       at->term->u.general->len));
 471         return sv;
 472     }
 473     case Z_RPNStructure_complex: {
 474         SV *tmp;
 475         Z_Complex *c = s->u.complex;
 476         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 477         switch (c->roperator->which) {
 478         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 479         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 480         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 481         case Z_Operator_prox:    fatal("proximity not yet supported");
 482         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 483         }
 484         sv = newObject(type, (SV*) (av = newAV()));
 485         if ((tmp = rpn2perl(c->s1)) == 0)
 486             return 0;
 487         av_push(av, tmp);
 488         if ((tmp = rpn2perl(c->s2)) == 0)
 489             return 0;
 490         av_push(av, tmp);
 491         return sv;
 492     }
 493     default: fatal("unknown RPN node type %d", (int) s->which);
 494     }
 495
 496     return 0;
 497 }
 498
 499
 500 static SV *zquery2perl(Z_Query *q)
 501 {
 502     SV *sv;
 503     HV *hv;
 504
 505     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 506         return 0;
 507     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 508     if (q->u.type_1->attributeSetId)
 509         setMember(hv, "attributeSet",
 510                   translateOID(q->u.type_1->attributeSetId));
 511     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 512     return sv;
 513 }
 514
 515
 516 int bend_sort(void *handle, bend_sort_rr *rr)
 517 {
 518         HV *href;
 519         AV *aref;
 520         SV **temp;
 521         SV *err_code;
 522         SV *err_str;
 523         SV *status;
 524         STRLEN len;
 525         char *ptr;
 526         char *ODR_err_str;
 527         char **input_setnames;
 528         Zfront_handle *zhandle = (Zfront_handle *)handle;
 529         int i;
 530
 531         dSP;
 532         ENTER;
 533         SAVETMPS;
 534
 535         aref = newAV();
 536         input_setnames = rr->input_setnames;
 537         for (i = 0; i < rr->num_input_setnames; i++)
 538         {
 539                 av_push(aref, newSVpv(*input_setnames++, 0));
 540         }
 541         href = newHV();
 542         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 543         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 544         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 545         hv_store(href, "STATUS", 6, newSViv(0), 0);
 546
 547         PUSHMARK(sp);
 548
 549         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 550
 551         PUTBACK;
 552
 553         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 554
 555         SPAGAIN;
 556
 557         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 558         err_code = newSVsv(*temp);
 559
 560         temp = hv_fetch(href, "ERR_STR", 7, 1);
 561         err_str = newSVsv(*temp);
 562
 563         temp = hv_fetch(href, "STATUS", 6, 1);
 564         status = newSVsv(*temp);
 565
 566
 567
 568
 569         PUTBACK;
 570         FREETMPS;
 571         LEAVE;
 572
 573         hv_undef(href),
 574         av_undef(aref);
 575         rr->errcode = SvIV(err_code);
 576         rr->sort_status = SvIV(status);
 577         ptr = SvPV(err_str, len);
 578         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 579         strcpy(ODR_err_str, ptr);
 580         rr->errstring = ODR_err_str;
 581
 582         sv_free(err_code);
 583         sv_free(err_str);
 584         sv_free(status);
 585
 586         return 0;
 587 }
 588
 589
 590 int bend_search(void *handle, bend_search_rr *rr)
 591 {
 592         HV *href;
 593         AV *aref;
 594         SV **temp;
 595         SV *hits;
 596         SV *err_code;
 597         SV *err_str;
 598         char *ODR_errstr;
 599         STRLEN len;
 600         int i;
 601         char **basenames;
 602         int n;
 603         WRBUF query;
 604         char *ptr;
 605         SV *point;
 606         SV *ODR_point;
 607         Zfront_handle *zhandle = (Zfront_handle *)handle;
 608         CV* handler_cv = 0;
 609
 610         dSP;
 611         ENTER;
 612         SAVETMPS;
 613
 614         aref = newAV();
 615         basenames = rr->basenames;
 616         for (i = 0; i < rr->num_bases; i++)
 617         {
 618                 av_push(aref, newSVpv(*basenames++, 0));
 619         }
 620 #if ENABLE_STOP_SERVER
 621         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 622         {
 623                 zhandle->stop_flag = 1;
 624         }
 625 #endif
 626         href = newHV();
 627         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 628         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 629         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 630         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 631         hv_store(href, "HITS", 4, newSViv(0), 0);
 632         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 633         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 634         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 635         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 636         query = zquery2pquery(rr->query);
 637         if (query)
 638         {
 639                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 640         }
 641         else
 642         {
 643                 rr->errcode = 108;
 644         }
 645         PUSHMARK(sp);
 646
 647         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 648
 649         PUTBACK;
 650
 651         handler_cv = simpleserver_sv2cv( search_ref );
 652         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 653
 654         SPAGAIN;
 655
 656         temp = hv_fetch(href, "HITS", 4, 1);
 657         hits = newSVsv(*temp);
 658
 659         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 660         err_code = newSVsv(*temp);
 661
 662         temp = hv_fetch(href, "ERR_STR", 7, 1);
 663         err_str = newSVsv(*temp);
 664
 665         temp = hv_fetch(href, "HANDLE", 6, 1);
 666         point = newSVsv(*temp);
 667
 668         PUTBACK;
 669         FREETMPS;
 670         LEAVE;
 671
 672         hv_undef(href);
 673         av_undef(aref);
 674         rr->hits = SvIV(hits);
 675         rr->errcode = SvIV(err_code);
 676         ptr = SvPV(err_str, len);
 677         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 678         strcpy(ODR_errstr, ptr);
 679         rr->errstring = ODR_errstr;
 680
 681         zhandle->handle = point;
 682         handle = zhandle;
 683         sv_free(hits);
 684         sv_free(err_code);
 685         sv_free(err_str);
 686         sv_free( (SV*) aref);
 687         sv_free( (SV*) href);
 688         /*sv_free(point);*/
 689         wrbuf_free(query, 1);
 690         return 0;
 691 }
 692
 693
 694 /* ### this is worryingly similar to oid2str() */
 695 WRBUF oid2dotted(int *oid)
 696 {
 697
 698         WRBUF buf = wrbuf_alloc();
 699         int dot = 0;
 700
 701         for (; *oid != -1 ; oid++)
 702         {
 703                 char ibuf[16];
 704                 if (dot)
 705                 {
 706                         wrbuf_putc(buf, '.');
 707                 }
 708                 else
 709                 {
 710                         dot = 1;
 711                 }
 712                 sprintf(ibuf, "%d", *oid);
 713                 wrbuf_puts(buf, ibuf);
 714         }
 715         return buf;
 716 }
 717
 718
 719 int dotted2oid(char *dotted, int *buffer)
 720 {
 721         int *oid;
 722         char ibuf[16];
 723         char *ptr;
 724         int n = 0;
 725
 726         ptr = ibuf;
 727         oid = buffer;
 728         while (*dotted)
 729         {
 730                 if (*dotted == '.')
 731                 {
 732                         n++;
 733                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 734                         {
 735                                 *oid = -1;
 736                                 return -1;
 737                         }
 738                         *ptr = 0;
 739                         sscanf(ibuf, "%d", oid++);
 740                         ptr = ibuf;
 741                         dotted++;
 742
 743                 }
 744                 else
 745                 {
 746                         *ptr++ = *dotted++;
 747                 }
 748         }
 749         if (n < MAX_OID)
 750         {
 751                 *ptr = 0;
 752                 sscanf(ibuf, "%d", oid++);
 753         }
 754         *oid = -1;
 755         return 0;
 756 }
 757
 758
 759 int bend_fetch(void *handle, bend_fetch_rr *rr)
 760 {
 761         HV *href;
 762         SV **temp;
 763         SV *basename;
 764         SV *record;
 765         SV *last;
 766         SV *err_code;
 767         SV *err_string;
 768         SV *sur_flag;
 769         SV *point;
 770         SV *rep_form;
 771         char *ptr;
 772         char *ODR_record;
 773         char *ODR_basename;
 774         char *ODR_errstr;
 775         int *ODR_oid_buf;
 776         oident *oid;
 777         WRBUF oid_dotted;
 778         Zfront_handle *zhandle = (Zfront_handle *)handle;
 779         CV* handler_cv = 0;
 780
 781         Z_RecordComposition *composition;
 782         Z_ElementSetNames *simple;
 783         STRLEN length;
 784
 785         dSP;
 786         ENTER;
 787         SAVETMPS;
 788
 789         rr->errcode = 0;
 790         href = newHV();
 791         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 792         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 793         oid_dotted = oid2dotted(rr->request_format_raw);
 794         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 795         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 796         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 797         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 798         hv_store(href, "LAST", 4, newSViv(0), 0);
 799         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 800         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 801         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 802         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 803         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 804         if (rr->comp)
 805         {
 806                 composition = rr->comp;
 807                 if (composition->which == Z_RecordComp_simple)
 808                 {
 809                         simple = composition->u.simple;
 810                         if (simple->which == Z_ElementSetNames_generic)
 811                         {
 812                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 813                         }
 814                         else
 815                         {
 816                                 rr->errcode = 26;
 817                         }
 818                 }
 819                 else
 820                 {
 821                         rr->errcode = 26;
 822                 }
 823         }
 824
 825         PUSHMARK(sp);
 826
 827         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 828
 829         PUTBACK;
 830
 831         handler_cv = simpleserver_sv2cv( fetch_ref );
 832         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 833
 834         SPAGAIN;
 835
 836         temp = hv_fetch(href, "BASENAME", 8, 1);
 837         basename = newSVsv(*temp);
 838
 839         temp = hv_fetch(href, "RECORD", 6, 1);
 840         record = newSVsv(*temp);
 841
 842         temp = hv_fetch(href, "LAST", 4, 1);
 843         last = newSVsv(*temp);
 844
 845         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 846         err_code = newSVsv(*temp);
 847
 848         temp = hv_fetch(href, "ERR_STR", 7, 1),
 849         err_string = newSVsv(*temp);
 850
 851         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 852         sur_flag = newSVsv(*temp);
 853
 854         temp = hv_fetch(href, "REP_FORM", 8, 1);
 855         rep_form = newSVsv(*temp);
 856
 857         temp = hv_fetch(href, "HANDLE", 6, 1);
 858         point = newSVsv(*temp);
 859
 860         PUTBACK;
 861         FREETMPS;
 862         LEAVE;
 863
 864         hv_undef(href);
 865
 866         ptr = SvPV(basename, length);
 867         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 868         strcpy(ODR_basename, ptr);
 869         rr->basename = ODR_basename;
 870
 871         ptr = SvPV(rep_form, length);
 872         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 873         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 874         {
 875                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 876         }
 877         rr->output_format_raw = ODR_oid_buf;
 878
 879         ptr = SvPV(record, length);
 880         oid = oid_getentbyoid(ODR_oid_buf);
 881         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 882         {
 883                 rr->record = (char *) read_grs1(ptr, rr->stream);
 884                 rr->len = -1;
 885         }
 886         else
 887         {
 888                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 889                 strcpy(ODR_record, ptr);
 890                 rr->record = ODR_record;
 891                 rr->len = length;
 892         }
 893         zhandle->handle = point;
 894         handle = zhandle;
 895         rr->last_in_set = SvIV(last);
 896
 897         if (!(rr->errcode))
 898         {
 899                 rr->errcode = SvIV(err_code);
 900                 ptr = SvPV(err_string, length);
 901                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 902                 strcpy(ODR_errstr, ptr);
 903                 rr->errstring = ODR_errstr;
 904         }
 905         rr->surrogate_flag = SvIV(sur_flag);
 906
 907         wrbuf_free(oid_dotted, 1);
 908         sv_free((SV*) href);
 909         sv_free(basename);
 910         sv_free(record);
 911         sv_free(last);
 912         sv_free(err_string);
 913         sv_free(err_code),
 914         sv_free(sur_flag);
 915         sv_free(rep_form);
 916
 917         return 0;
 918 }
 919
 920
 921 int bend_present(void *handle, bend_present_rr *rr)
 922 {
 923
 924         HV *href;
 925         SV **temp;
 926         SV *err_code;
 927         SV *err_string;
 928         SV *hits;
 929         SV *point;
 930         STRLEN len;
 931         Z_RecordComposition *composition;
 932         Z_ElementSetNames *simple;
 933         char *ODR_errstr;
 934         char *ptr;
 935         Zfront_handle *zhandle = (Zfront_handle *)handle;
 936         CV* handler_cv = 0;
 937
 938 /*      WRBUF oid_dotted; */
 939
 940         dSP;
 941         ENTER;
 942         SAVETMPS;
 943
 944         href = newHV();
 945         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 946         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 947         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 948         hv_store(href, "START", 5, newSViv(rr->start), 0);
 949         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 950         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 951         /*oid_dotted = oid2dotted(rr->request_format_raw);
 952         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 953         hv_store(href, "HITS", 4, newSViv(0), 0);
 954         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 955         if (rr->comp)
 956         {
 957                 composition = rr->comp;
 958                 if (composition->which == Z_RecordComp_simple)
 959                 {
 960                         simple = composition->u.simple;
 961                         if (simple->which == Z_ElementSetNames_generic)
 962                         {
 963                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 964                         }
 965                         else
 966                         {
 967                                 rr->errcode = 26;
 968                                 return 0;
 969                         }
 970                 }
 971                 else
 972                 {
 973                         rr->errcode = 26;
 974                         return 0;
 975                 }
 976         }
 977
 978         PUSHMARK(sp);
 979
 980         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 981
 982         PUTBACK;
 983
 984         handler_cv = simpleserver_sv2cv( present_ref );
 985         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 986
 987         SPAGAIN;
 988
 989         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 990         err_code = newSVsv(*temp);
 991
 992         temp = hv_fetch(href, "ERR_STR", 7, 1);
 993         err_string = newSVsv(*temp);
 994
 995         temp = hv_fetch(href, "HITS", 4, 1);
 996         hits = newSVsv(*temp);
 997
 998         temp = hv_fetch(href, "HANDLE", 6, 1);
 999         point = newSVsv(*temp);
1000
1001         PUTBACK;
1002         FREETMPS;
1003         LEAVE;
1004
1005         hv_undef(href);
1006         rr->errcode = SvIV(err_code);
1007         rr->hits = SvIV(hits);
1008
1009         ptr = SvPV(err_string, len);
1010         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1011         strcpy(ODR_errstr, ptr);
1012         rr->errstring = ODR_errstr;
1013 /*      wrbuf_free(oid_dotted, 1);*/
1014         zhandle->handle = point;
1015         handle = zhandle;
1016         sv_free(err_code);
1017         sv_free(err_string);
1018         sv_free(hits);
1019         sv_free( (SV*) href);
1020
1021         return 0;
1022 }
1023
1024
1025 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1026 {
1027         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1028         return 0;
1029 }
1030
1031
1032 int bend_delete(void *handle, bend_delete_rr *rr)
1033 {
1034         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1035         return 0;
1036 }
1037
1038
1039 int bend_scan(void *handle, bend_scan_rr *rr)
1040 {
1041         HV *href;
1042         AV *aref;
1043         AV *list;
1044         AV *entries;
1045         HV *scan_item;
1046         struct scan_entry *scan_list;
1047         struct scan_entry *buffer;
1048         int *step_size = rr->step_size;
1049         int i;
1050         char **basenames;
1051         SV **temp;
1052         SV *err_code = sv_newmortal();
1053         SV *err_str = sv_newmortal();
1054         SV *point = sv_newmortal();
1055         SV *status = sv_newmortal();
1056         SV *number = sv_newmortal();
1057         char *ptr;
1058         char *ODR_errstr;
1059         STRLEN len;
1060         int term_len;
1061         SV *term_tmp;
1062         SV *entries_ref;
1063         Zfront_handle *zhandle = (Zfront_handle *)handle;
1064         CV* handler_cv = 0;
1065
1066         dSP;
1067         ENTER;
1068         SAVETMPS;
1069         href = newHV();
1070         list = newAV();
1071         if (rr->term->term->which == Z_Term_general)
1072         {
1073                 term_len = rr->term->term->u.general->len;
1074                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1075         } else {
1076                 rr->errcode = 229;      /* Unsupported term type */
1077                 return 0;
1078         }
1079         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1080         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1081         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1082         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1083         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1084         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1085         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1086         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1087         aref = newAV();
1088         basenames = rr->basenames;
1089         for (i = 0; i < rr->num_bases; i++)
1090         {
1091                 av_push(aref, newSVpv(*basenames++, 0));
1092         }
1093         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1094
1095         PUSHMARK(sp);
1096
1097         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1098
1099         PUTBACK;
1100
1101         handler_cv = simpleserver_sv2cv( scan_ref );
1102         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1103
1104         SPAGAIN;
1105
1106         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1107         err_code = newSVsv(*temp);
1108
1109         temp = hv_fetch(href, "ERR_STR", 7, 1);
1110         err_str = newSVsv(*temp);
1111
1112         temp = hv_fetch(href, "HANDLE", 6, 1);
1113         point = newSVsv(*temp);
1114
1115         temp = hv_fetch(href, "STATUS", 6, 1);
1116         status = newSVsv(*temp);
1117
1118         temp = hv_fetch(href, "NUMBER", 6, 1);
1119         number = newSVsv(*temp);
1120
1121         temp = hv_fetch(href, "ENTRIES", 7, 1);
1122         entries_ref = newSVsv(*temp);
1123
1124         PUTBACK;
1125         FREETMPS;
1126         LEAVE;
1127
1128         ptr = SvPV(err_str, len);
1129         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1130         strcpy(ODR_errstr, ptr);
1131         rr->errstring = ODR_errstr;
1132         rr->errcode = SvIV(err_code);
1133         rr->num_entries = SvIV(number);
1134         rr->status = SvIV(status);
1135         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1136         buffer = scan_list;
1137         entries = (AV *)SvRV(entries_ref);
1138         for (i = 0; i < rr->num_entries; i++)
1139         {
1140                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1141                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1142                 ptr = SvPV(*temp, len);
1143                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1144                 strcpy(buffer->term, ptr);
1145                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1146                 buffer->occurrences = SvIV(*temp);
1147                 buffer++;
1148                 hv_undef(scan_item);
1149         }
1150         rr->entries = scan_list;
1151         zhandle->handle = point;
1152         handle = zhandle;
1153         sv_free(err_code);
1154         sv_free(err_str);
1155         sv_free(status);
1156         sv_free(number);
1157         hv_undef(href);
1158         sv_free((SV *)href);
1159         av_undef(aref);
1160         sv_free((SV *)aref);
1161         av_undef(list);
1162         sv_free((SV *)list);
1163         av_undef(entries);
1164         /*sv_free((SV *)entries);*/
1165         sv_free(entries_ref);
1166
1167         return 0;
1168 }
1169
1170
1171 bend_initresult *bend_init(bend_initrequest *q)
1172 {
1173         int dummy = simpleserver_clone();
1174         bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
1175         HV *href;
1176         SV **temp;
1177         SV *id;
1178         SV *name;
1179         SV *ver;
1180         SV *err_str;
1181         SV *status;
1182         NMEM nmem = nmem_create();
1183         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1184                         sizeof(*zhandle));
1185         STRLEN len;
1186         int n;
1187         SV *handle;
1188         /*char *name_ptr;
1189         char *ver_ptr;*/
1190         char *ptr;
1191         char *user = NULL;
1192         char *passwd = NULL;
1193         CV* handler_cv = 0;
1194
1195         dSP;
1196         ENTER;
1197         SAVETMPS;
1198
1199         zhandle->nmem = nmem;
1200         zhandle->stop_flag = 0;
1201         /*q->bend_sort = bend_sort;*/
1202         if (search_ref)
1203         {
1204                 q->bend_search = bend_search;
1205         }
1206         if (present_ref)
1207         {
1208                 q->bend_present = bend_present;
1209         }
1210         /*q->bend_esrequest = bend_esrequest;*/
1211         /*q->bend_delete = bend_delete;*/
1212         if (fetch_ref)
1213         {
1214                 q->bend_fetch = bend_fetch;
1215         }
1216         if (scan_ref)
1217         {
1218                 q->bend_scan = bend_scan;
1219         }
1220         href = newHV();
1221         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1222         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1223         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1224         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1225         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1226         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1227         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1228         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1229         if (q->auth) {
1230             if (q->auth->which == Z_IdAuthentication_open) {
1231                 char *openpass = xstrdup (q->auth->u.open);
1232                 char *cp = strchr (openpass, '/');
1233                 if (cp) {
1234                     *cp = '\0';
1235                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1236                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1237                 }
1238                 xfree(openpass);
1239             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1240                 user = q->auth->u.idPass->userId;
1241                 passwd = q->auth->u.idPass->password;
1242             }
1243             /* ### some code paths have user/password unassigned here */
1244             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1245             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1246         }
1247
1248         PUSHMARK(sp);
1249
1250         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1251
1252         PUTBACK;
1253
1254         if (init_ref != NULL)
1255         {
1256              handler_cv = simpleserver_sv2cv( init_ref );
1257              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1258         }
1259
1260         SPAGAIN;
1261
1262         temp = hv_fetch(href, "IMP_ID", 6, 1);
1263         id = newSVsv(*temp);
1264
1265         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1266         name = newSVsv(*temp);
1267
1268         temp = hv_fetch(href, "IMP_VER", 7, 1);
1269         ver = newSVsv(*temp);
1270
1271         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1272         status = newSVsv(*temp);
1273
1274         temp = hv_fetch(href, "ERR_STR", 7, 1);
1275         err_str = newSVsv(*temp);
1276
1277         temp = hv_fetch(href, "HANDLE", 6, 1);
1278         handle= newSVsv(*temp);
1279
1280         hv_undef(href);
1281         PUTBACK;
1282         FREETMPS;
1283         LEAVE;
1284         zhandle->handle = handle;
1285         r->errcode = SvIV(status);
1286         ptr = SvPV(err_str, len);
1287         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1288         strcpy(r->errstring, ptr);
1289         sv_free(err_str);
1290         r->handle = zhandle;
1291         ptr = SvPV(id, len);
1292         q->implementation_id = nmem_strdup(nmem, ptr);
1293         ptr = SvPV(name, len);
1294         q->implementation_name = nmem_strdup(nmem, ptr);
1295         ptr = SvPV(ver, len);
1296         q->implementation_version = nmem_strdup(nmem, ptr);
1297
1298         return r;
1299 }
1300
1301
1302 void bend_close(void *handle)
1303 {
1304         HV *href;
1305         Zfront_handle *zhandle = (Zfront_handle *)handle;
1306         SV **temp;
1307         CV* handler_cv = 0;
1308         int stop_flag = 0;
1309
1310         if (close_ref)
1311         {
1312                 dSP;
1313                 ENTER;
1314                 SAVETMPS;
1315                 href = newHV();
1316                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1317
1318                 PUSHMARK(sp);
1319
1320                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1321
1322                 PUTBACK;
1323
1324                 handler_cv = simpleserver_sv2cv( close_ref );
1325                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1326
1327                 SPAGAIN;
1328
1329                 PUTBACK;
1330                 FREETMPS;
1331                 LEAVE;
1332         }
1333         stop_flag = zhandle->stop_flag;
1334         nmem_destroy(zhandle->nmem);
1335         simpleserver_free();
1336
1337         if (stop_flag)
1338                 exit(0);
1339         return;
1340 }
1341
1342
1343 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1344
1345 void
1346 set_init_handler(arg)
1347                 SV *arg
1348         CODE:
1349                 init_ref = newSVsv(arg);
1350
1351
1352 void
1353 set_close_handler(arg)
1354                 SV *arg
1355         CODE:
1356                 close_ref = newSVsv(arg);
1357
1358
1359 void
1360 set_sort_handler(arg)
1361                 SV *arg
1362         CODE:
1363                 sort_ref = newSVsv(arg);
1364
1365 void
1366 set_search_handler(arg)
1367                 SV *arg
1368         CODE:
1369                 search_ref = newSVsv(arg);
1370
1371
1372 void
1373 set_fetch_handler(arg)
1374                 SV *arg
1375         CODE:
1376                 fetch_ref = newSVsv(arg);
1377
1378
1379 void
1380 set_present_handler(arg)
1381                 SV *arg
1382         CODE:
1383                 present_ref = newSVsv(arg);
1384
1385
1386 void
1387 set_esrequest_handler(arg)
1388                 SV *arg
1389         CODE:
1390                 esrequest_ref = newSVsv(arg);
1391
1392
1393 void
1394 set_delete_handler(arg)
1395                 SV *arg
1396         CODE:
1397                 delete_ref = newSVsv(arg);
1398
1399
1400 void
1401 set_scan_handler(arg)
1402                 SV *arg
1403         CODE:
1404                 scan_ref = newSVsv(arg);
1405
1406
1407 int
1408 start_server(...)
1409         PREINIT:
1410                 char **argv;
1411                 char **argv_buf;
1412                 char *ptr;
1413                 int i;
1414                 STRLEN len;
1415         CODE:
1416                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1417                 argv = argv_buf;
1418                 for (i = 0; i < items; i++)
1419                 {
1420                         ptr = SvPV(ST(i), len);
1421                         *argv_buf = (char *)xmalloc(len + 1);
1422                         strcpy(*argv_buf++, ptr);
1423                 }
1424                 *argv_buf = NULL;
1425                 root_perl_context = PERL_GET_CONTEXT;
1426                 nmem_mutex_create(&simpleserver_mutex);
1427 #if 0
1428                 tst_clones();
1429 #endif
1430
1431                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1432         OUTPUT:
1433                 RETVAL
1434
1435
1436 int
1437 ScanSuccess()
1438         CODE:
1439                 RETVAL = BEND_SCAN_SUCCESS;
1440         OUTPUT:
1441                 RETVAL
1442
1443 int
1444 ScanPartial()
1445         CODE:
1446                 RETVAL = BEND_SCAN_PARTIAL;
1447         OUTPUT:
1448                 RETVAL
1449
1450