SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.33 2004-06-07 17:00:55 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 /* debugging routine to check for destruction of Perl interpreters */
 106 #ifdef USE_ITHREADS
 107 void tst_clones(void)
 108 {
 109     int i;
 110     PerlInterpreter *parent = PERL_GET_CONTEXT;
 111     for (i = 0; i<5000; i++)
 112     {
 113         PerlInterpreter *perl_interp;
 114
 115         PERL_SET_CONTEXT(parent);
 116         PL_perl_destruct_level = 2;
 117         perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
 118         PL_perl_destruct_level = 2;
 119         PERL_SET_CONTEXT(perl_interp);
 120         perl_destruct(perl_interp);
 121         perl_free(perl_interp);
 122     }
 123     exit (0);
 124 }
 125 #endif
 126
 127 int simpleserver_clone(void) {
 128 #ifdef USE_ITHREADS
 129      nmem_mutex_enter(simpleserver_mutex);
 130      if (1)
 131      {
 132          PerlInterpreter *current = PERL_GET_CONTEXT;
 133
 134          /* if current is unset, then we're in a new thread with
 135           * no Perl interpreter for it. So we must create one .
 136           * This will only happen when threaded is used..
 137           */
 138          if (!current) {
 139              PerlInterpreter *perl_interp;
 140              PERL_SET_CONTEXT( root_perl_context );
 141              perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
 142              PERL_SET_CONTEXT( perl_interp );
 143          }
 144      }
 145      nmem_mutex_leave(simpleserver_mutex);
 146 #endif
 147      return 0;
 148 }
 149
 150
 151 void simpleserver_free(void) {
 152     nmem_mutex_enter(simpleserver_mutex);
 153     if (1)
 154     {
 155         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 156
 157         /* If current Perl Interp is different from root interp, then
 158          * we're in threaded mode and we must destroy..
 159          */
 160         if (current_interp != root_perl_context) {
 161             PL_perl_destruct_level = 2;
 162             PERL_SET_CONTEXT(current_interp);
 163             perl_destruct(current_interp);
 164             perl_free(current_interp);
 165         }
 166     }
 167     nmem_mutex_leave(simpleserver_mutex);
 168 }
 169
 170
 171 Z_GenericRecord *read_grs1(char *str, ODR o)
 172 {
 173         int type, ivalue;
 174         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 175         char value[GRS_BUF_SIZE+1];
 176         Z_GenericRecord *r = 0;
 177
 178         original = str;
 179         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 180         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 181         r->num_elements = 0;
 182
 183         for (;;)
 184         {
 185                 Z_TaggedElement *t;
 186                 Z_ElementData *c;
 187                 int len;
 188
 189                 ptr = strchr(str, '\n');
 190                 if (!ptr) {
 191                         return r;
 192                 }
 193                 len = ptr - str;
 194                 if (len > GRS_BUF_SIZE) {
 195                     yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 196                     len = GRS_BUF_SIZE;
 197                 }
 198                 strncpy(line, str, len);
 199                 line[len] = 0;
 200                 buf = line;
 201                 str = ptr + 1;
 202                 while (*buf && isspace(*buf))
 203                         buf++;
 204                 if (*buf == '}') {
 205                         memmove(original, str, strlen(str));
 206                         return r;
 207                 }
 208                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 209                 {
 210                         yaz_log(LOG_WARN, "Bad data in '%s'", buf);
 211                         return r;
 212                 }
 213                 if (!type && *value == '0')
 214                         return r;
 215                 if (!(buf = strchr(buf, ')')))
 216                         return r;
 217                 buf++;
 218                 while (*buf && isspace(*buf))
 219                         buf++;
 220                 if (r->num_elements >= GRS_MAX_FIELDS)
 221                 {
 222                         yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 223                         exit(0);
 224                 }
 225                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 226                 t->tagType = (int *)odr_malloc(o, sizeof(int));
 227                 *t->tagType = type;
 228                 t->tagValue = (Z_StringOrNumeric *)
 229                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 230                 if ((ivalue = atoi(value)))
 231                 {
 232                         t->tagValue->which = Z_StringOrNumeric_numeric;
 233                         t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
 234                         *t->tagValue->u.numeric = ivalue;
 235                 }
 236                 else
 237                 {
 238                         t->tagValue->which = Z_StringOrNumeric_string;
 239                         t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
 240                         strcpy(t->tagValue->u.string, value);
 241                 }
 242                 t->tagOccurrence = 0;
 243                 t->metaData = 0;
 244                 t->appliedVariant = 0;
 245                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 246                 if (*buf == '{')
 247                 {
 248                         c->which = Z_ElementData_subtree;
 249                         c->u.subtree = read_grs1(str, o);
 250                 }
 251                 else
 252                 {
 253                         c->which = Z_ElementData_string;
 254                         c->u.string = odr_strdup(o, buf);
 255                 }
 256                 r->num_elements++;
 257         }
 258 }
 259
 260
 261
 262
 263 static void oid2str(Odr_oid *o, WRBUF buf)
 264 {
 265     for (; *o >= 0; o++) {
 266         char ibuf[16];
 267         sprintf(ibuf, "%d", *o);
 268         wrbuf_puts(buf, ibuf);
 269         if (o[1] > 0)
 270             wrbuf_putc(buf, '.');
 271     }
 272 }
 273
 274
 275 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
 276 {
 277     switch (s->which) {
 278         case Z_RPNStructure_simple: {
 279             Z_Operand *o = s->u.simple;
 280
 281             switch (o->which) {
 282                 case Z_Operand_APT: {
 283                     Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
 284
 285                     if (at->attributes) {
 286                         int i;
 287                         char ibuf[16];
 288
 289                         for (i = 0; i < at->attributes->num_attributes; i++) {
 290                             wrbuf_puts(buf, "@attr ");
 291                             if (at->attributes->attributes[i]->attributeSet) {
 292                                 oid2str(at->attributes->attributes[i]->attributeSet, buf);
 293                                 wrbuf_putc(buf, ' ');
 294                             }
 295                             sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
 296                             assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
 297                             wrbuf_puts(buf, ibuf);
 298                             sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
 299                             wrbuf_puts(buf, ibuf);
 300                         }
 301                     }
 302                     switch (at->term->which) {
 303                         case Z_Term_general: {
 304                             wrbuf_putc(buf, '"');
 305                             wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
 306                             wrbuf_puts(buf, "\" ");
 307                             break;
 308                         }
 309                         default: abort();
 310                     }
 311                     break;
 312                 }
 313                 default: abort();
 314             }
 315             break;
 316         }
 317         case Z_RPNStructure_complex: {
 318             Z_Complex *c = s->u.complex;
 319
 320             switch (c->roperator->which) {
 321                 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
 322                 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
 323                 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
 324                 case Z_Operator_prox: abort();
 325                 default: abort();
 326             }
 327             if (!rpn2pquery(c->s1, buf))
 328                 return 0;
 329             if (!rpn2pquery(c->s2, buf))
 330                 return 0;
 331             break;
 332         }
 333         default: abort();
 334     }
 335     return 1;
 336 }
 337
 338
 339 WRBUF zquery2pquery(Z_Query *q)
 340 {
 341     WRBUF buf = wrbuf_alloc();
 342
 343     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 344         return 0;
 345     if (q->u.type_1->attributeSetId) {
 346         /* Output attribute set ID */
 347         wrbuf_puts(buf, "@attrset ");
 348         oid2str(q->u.type_1->attributeSetId, buf);
 349         wrbuf_putc(buf, ' ');
 350     }
 351     return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
 352 }
 353
 354
 355 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 356 #include <stdarg.h>
 357 void fatal(char *fmt, ...)
 358 {
 359     va_list ap;
 360
 361     fprintf(stderr, "FATAL (yazwrap): ");
 362     va_start(ap, fmt);
 363     vfprintf(stderr, fmt, ap);
 364     va_end(ap);
 365     fprintf(stderr, "\n");
 366     abort();
 367 }
 368
 369
 370 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 371 /*
 372  * Creates a new Perl object of type `class'; the newly-created scalar
 373  * that is a reference to the blessed thingy `referent' is returned.
 374  */
 375 static SV *newObject(char *class, SV *referent)
 376 {
 377     HV *stash;
 378     SV *sv;
 379
 380     sv = newRV_noinc((SV*) referent);
 381     stash = gv_stashpv(class, 0);
 382     if (stash == 0)
 383         fatal("attempt to create object of undefined class '%s'", class);
 384     /*assert(stash != 0);*/
 385     sv_bless(sv, stash);
 386     return sv;
 387 }
 388
 389
 390 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 391 static void setMember(HV *hv, char *name, SV *val)
 392 {
 393     /* We don't increment `val's reference count -- I think this is
 394      * right because it's created with a refcount of 1, and in fact
 395      * the reference via this hash is the only reference to it in
 396      * general.
 397      */
 398     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 399         fatal("couldn't store member in hash");
 400 }
 401
 402
 403 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 404 static SV *translateOID(Odr_oid *x)
 405 {
 406     /* Yaz represents an OID by an int array terminated by a negative
 407      * value, typically -1; we represent it as a reference to a
 408      * blessed scalar string of "."-separated elements.
 409      */
 410     char buf[1000];
 411     int i;
 412
 413     *buf = '\0';
 414     for (i = 0; x[i] >= 0; i++) {
 415         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 416         if (x[i+1] >- 0)
 417             strcat(buf, ".");
 418     }
 419
 420     /*
 421      * ### We'd like to return a blessed scalar (string) here, but of
 422      *  course you can't do that in Perl: only references can be
 423      *  blessed, so we'd have to return a _reference_ to a string, and
 424      *  bless _that_.  Better to do without the blessing, I think.
 425      */
 426     if (1) {
 427         return newSVpv(buf, 0);
 428     } else {
 429         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 430     }
 431 }
 432
 433
 434 static SV *rpn2perl(Z_RPNStructure *s)
 435 {
 436     SV *sv;
 437     HV *hv;
 438     AV *av;
 439
 440     switch (s->which) {
 441     case Z_RPNStructure_simple: {
 442         Z_Operand *o = s->u.simple;
 443         Z_AttributesPlusTerm *at;
 444         if (o->which != Z_Operand_APT)
 445             fatal("can't handle RPN simples other than APT");
 446         at = o->u.attributesPlusTerm;
 447         if (at->term->which != Z_Term_general)
 448             fatal("can't handle RPN terms other than general");
 449
 450         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 451         if (at->attributes) {
 452             int i;
 453             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 454                                   (SV*) (av = newAV()));
 455             for (i = 0; i < at->attributes->num_attributes; i++) {
 456                 Z_AttributeElement *elem = at->attributes->attributes[i];
 457                 HV *hv2;
 458                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 459                                     (SV*) (hv2 = newHV()));
 460                 if (elem->attributeSet)
 461                     setMember(hv2, "attributeSet",
 462                               translateOID(elem->attributeSet));
 463                 setMember(hv2, "attributeType",
 464                           newSViv(*elem->attributeType));
 465                 assert(elem->which == Z_AttributeValue_numeric);
 466                 setMember(hv2, "attributeValue",
 467                           newSViv(*elem->value.numeric));
 468                 av_push(av, tmp);
 469             }
 470             setMember(hv, "attributes", attrs);
 471         }
 472         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 473                                       at->term->u.general->len));
 474         return sv;
 475     }
 476     case Z_RPNStructure_complex: {
 477         SV *tmp;
 478         Z_Complex *c = s->u.complex;
 479         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 480         switch (c->roperator->which) {
 481         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 482         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 483         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 484         case Z_Operator_prox:    fatal("proximity not yet supported");
 485         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 486         }
 487         sv = newObject(type, (SV*) (av = newAV()));
 488         if ((tmp = rpn2perl(c->s1)) == 0)
 489             return 0;
 490         av_push(av, tmp);
 491         if ((tmp = rpn2perl(c->s2)) == 0)
 492             return 0;
 493         av_push(av, tmp);
 494         return sv;
 495     }
 496     default: fatal("unknown RPN node type %d", (int) s->which);
 497     }
 498
 499     return 0;
 500 }
 501
 502
 503 static SV *zquery2perl(Z_Query *q)
 504 {
 505     SV *sv;
 506     HV *hv;
 507
 508     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 509         return 0;
 510     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 511     if (q->u.type_1->attributeSetId)
 512         setMember(hv, "attributeSet",
 513                   translateOID(q->u.type_1->attributeSetId));
 514     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 515     return sv;
 516 }
 517
 518
 519 int bend_sort(void *handle, bend_sort_rr *rr)
 520 {
 521         HV *href;
 522         AV *aref;
 523         SV **temp;
 524         SV *err_code;
 525         SV *err_str;
 526         SV *status;
 527         STRLEN len;
 528         char *ptr;
 529         char *ODR_err_str;
 530         char **input_setnames;
 531         Zfront_handle *zhandle = (Zfront_handle *)handle;
 532         int i;
 533
 534         dSP;
 535         ENTER;
 536         SAVETMPS;
 537
 538         aref = newAV();
 539         input_setnames = rr->input_setnames;
 540         for (i = 0; i < rr->num_input_setnames; i++)
 541         {
 542                 av_push(aref, newSVpv(*input_setnames++, 0));
 543         }
 544         href = newHV();
 545         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 546         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 547         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 548         hv_store(href, "STATUS", 6, newSViv(0), 0);
 549
 550         PUSHMARK(sp);
 551
 552         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 553
 554         PUTBACK;
 555
 556         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 557
 558         SPAGAIN;
 559
 560         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 561         err_code = newSVsv(*temp);
 562
 563         temp = hv_fetch(href, "ERR_STR", 7, 1);
 564         err_str = newSVsv(*temp);
 565
 566         temp = hv_fetch(href, "STATUS", 6, 1);
 567         status = newSVsv(*temp);
 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         char *ODR_errstr;
 596         STRLEN len;
 597         int i;
 598         char **basenames;
 599         WRBUF query;
 600         char *ptr;
 601         SV *point;
 602         Zfront_handle *zhandle = (Zfront_handle *)handle;
 603         CV* handler_cv = 0;
 604
 605         dSP;
 606         ENTER;
 607         SAVETMPS;
 608
 609         aref = newAV();
 610         basenames = rr->basenames;
 611         for (i = 0; i < rr->num_bases; i++)
 612         {
 613                 av_push(aref, newSVpv(*basenames++, 0));
 614         }
 615 #if ENABLE_STOP_SERVER
 616         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 617         {
 618                 zhandle->stop_flag = 1;
 619         }
 620 #endif
 621         href = newHV();
 622         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 623         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 624         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 625         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 626         hv_store(href, "HITS", 4, newSViv(0), 0);
 627         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 628         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 629         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 630         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 631         query = zquery2pquery(rr->query);
 632         if (query)
 633         {
 634                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 635         }
 636         else
 637         {
 638                 rr->errcode = 108;
 639         }
 640         PUSHMARK(sp);
 641
 642         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 643
 644         PUTBACK;
 645
 646         handler_cv = simpleserver_sv2cv( search_ref );
 647         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 648
 649         SPAGAIN;
 650
 651         temp = hv_fetch(href, "HITS", 4, 1);
 652         rr->hits = SvIV(*temp);
 653
 654         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 655         rr->errcode = SvIV(*temp);
 656
 657         temp = hv_fetch(href, "ERR_STR", 7, 1);
 658         ptr = SvPV(*temp, len);
 659         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 660         strcpy(ODR_errstr, ptr);
 661         rr->errstring = ODR_errstr;
 662
 663         temp = hv_fetch(href, "HANDLE", 6, 1);
 664         point = newSVsv(*temp);
 665
 666         hv_undef(href);
 667         av_undef(aref);
 668
 669         zhandle->handle = point;
 670         sv_free( (SV*) aref);
 671         sv_free( (SV*) href);
 672         wrbuf_free(query, 1);
 673         PUTBACK;
 674         FREETMPS;
 675         LEAVE;
 676         return 0;
 677 }
 678
 679
 680 /* ### this is worryingly similar to oid2str() */
 681 WRBUF oid2dotted(int *oid)
 682 {
 683
 684         WRBUF buf = wrbuf_alloc();
 685         int dot = 0;
 686
 687         for (; *oid != -1 ; oid++)
 688         {
 689                 char ibuf[16];
 690                 if (dot)
 691                 {
 692                         wrbuf_putc(buf, '.');
 693                 }
 694                 else
 695                 {
 696                         dot = 1;
 697                 }
 698                 sprintf(ibuf, "%d", *oid);
 699                 wrbuf_puts(buf, ibuf);
 700         }
 701         return buf;
 702 }
 703
 704
 705 int dotted2oid(char *dotted, int *buffer)
 706 {
 707         int *oid;
 708         char ibuf[16];
 709         char *ptr;
 710         int n = 0;
 711
 712         ptr = ibuf;
 713         oid = buffer;
 714         while (*dotted)
 715         {
 716                 if (*dotted == '.')
 717                 {
 718                         n++;
 719                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 720                         {
 721                                 *oid = -1;
 722                                 return -1;
 723                         }
 724                         *ptr = 0;
 725                         sscanf(ibuf, "%d", oid++);
 726                         ptr = ibuf;
 727                         dotted++;
 728
 729                 }
 730                 else
 731                 {
 732                         *ptr++ = *dotted++;
 733                 }
 734         }
 735         if (n < MAX_OID)
 736         {
 737                 *ptr = 0;
 738                 sscanf(ibuf, "%d", oid++);
 739         }
 740         *oid = -1;
 741         return 0;
 742 }
 743
 744
 745 int bend_fetch(void *handle, bend_fetch_rr *rr)
 746 {
 747         HV *href;
 748         SV **temp;
 749         SV *basename;
 750         SV *record;
 751         SV *last;
 752         SV *err_code;
 753         SV *err_string;
 754         SV *sur_flag;
 755         SV *point;
 756         SV *rep_form;
 757         char *ptr;
 758         char *ODR_record;
 759         char *ODR_basename;
 760         char *ODR_errstr;
 761         int *ODR_oid_buf;
 762         oident *oid;
 763         WRBUF oid_dotted;
 764         Zfront_handle *zhandle = (Zfront_handle *)handle;
 765         CV* handler_cv = 0;
 766
 767         Z_RecordComposition *composition;
 768         Z_ElementSetNames *simple;
 769         STRLEN length;
 770
 771         dSP;
 772         ENTER;
 773         SAVETMPS;
 774
 775         rr->errcode = 0;
 776         href = newHV();
 777         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 778         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 779         oid_dotted = oid2dotted(rr->request_format_raw);
 780         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 781         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 782         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 783         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 784         hv_store(href, "LAST", 4, newSViv(0), 0);
 785         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 786         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 787         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 788         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 789         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 790         if (rr->comp)
 791         {
 792                 composition = rr->comp;
 793                 if (composition->which == Z_RecordComp_simple)
 794                 {
 795                         simple = composition->u.simple;
 796                         if (simple->which == Z_ElementSetNames_generic)
 797                         {
 798                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 799                         }
 800                         else
 801                         {
 802                                 rr->errcode = 26;
 803                         }
 804                 }
 805                 else
 806                 {
 807                         rr->errcode = 26;
 808                 }
 809         }
 810
 811         PUSHMARK(sp);
 812
 813         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 814
 815         PUTBACK;
 816
 817         handler_cv = simpleserver_sv2cv( fetch_ref );
 818         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 819
 820         SPAGAIN;
 821
 822         temp = hv_fetch(href, "BASENAME", 8, 1);
 823         basename = newSVsv(*temp);
 824
 825         temp = hv_fetch(href, "RECORD", 6, 1);
 826         record = newSVsv(*temp);
 827
 828         temp = hv_fetch(href, "LAST", 4, 1);
 829         last = newSVsv(*temp);
 830
 831         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 832         err_code = newSVsv(*temp);
 833
 834         temp = hv_fetch(href, "ERR_STR", 7, 1),
 835         err_string = newSVsv(*temp);
 836
 837         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 838         sur_flag = newSVsv(*temp);
 839
 840         temp = hv_fetch(href, "REP_FORM", 8, 1);
 841         rep_form = newSVsv(*temp);
 842
 843         temp = hv_fetch(href, "HANDLE", 6, 1);
 844         point = newSVsv(*temp);
 845
 846
 847         hv_undef(href);
 848
 849         ptr = SvPV(basename, length);
 850         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 851         strcpy(ODR_basename, ptr);
 852         rr->basename = ODR_basename;
 853
 854         ptr = SvPV(rep_form, length);
 855         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 856         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 857         {
 858                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 859         }
 860         rr->output_format_raw = ODR_oid_buf;
 861
 862         ptr = SvPV(record, length);
 863         oid = oid_getentbyoid(ODR_oid_buf);
 864         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 865         {
 866                 rr->record = (char *) read_grs1(ptr, rr->stream);
 867                 rr->len = -1;
 868         }
 869         else
 870         {
 871                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 872                 strcpy(ODR_record, ptr);
 873                 rr->record = ODR_record;
 874                 rr->len = length;
 875         }
 876         zhandle->handle = point;
 877         handle = zhandle;
 878         rr->last_in_set = SvIV(last);
 879
 880         if (!(rr->errcode))
 881         {
 882                 rr->errcode = SvIV(err_code);
 883                 ptr = SvPV(err_string, length);
 884                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 885                 strcpy(ODR_errstr, ptr);
 886                 rr->errstring = ODR_errstr;
 887         }
 888         rr->surrogate_flag = SvIV(sur_flag);
 889
 890         wrbuf_free(oid_dotted, 1);
 891         sv_free((SV*) href);
 892         sv_free(basename);
 893         sv_free(record);
 894         sv_free(last);
 895         sv_free(err_string);
 896         sv_free(err_code),
 897         sv_free(sur_flag);
 898         sv_free(rep_form);
 899
 900         PUTBACK;
 901         FREETMPS;
 902         LEAVE;
 903
 904         return 0;
 905 }
 906
 907
 908 int bend_present(void *handle, bend_present_rr *rr)
 909 {
 910         HV *href;
 911         SV **temp;
 912         SV *err_code;
 913         SV *err_string;
 914         SV *hits;
 915         SV *point;
 916         STRLEN len;
 917         Z_RecordComposition *composition;
 918         Z_ElementSetNames *simple;
 919         char *ODR_errstr;
 920         char *ptr;
 921         Zfront_handle *zhandle = (Zfront_handle *)handle;
 922         CV* handler_cv = 0;
 923
 924 /*      WRBUF oid_dotted; */
 925
 926         dSP;
 927         ENTER;
 928         SAVETMPS;
 929
 930         href = newHV();
 931         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 932         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 933         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 934         hv_store(href, "START", 5, newSViv(rr->start), 0);
 935         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 936         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 937         /*oid_dotted = oid2dotted(rr->request_format_raw);
 938         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 939         hv_store(href, "HITS", 4, newSViv(0), 0);
 940         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 941         if (rr->comp)
 942         {
 943                 composition = rr->comp;
 944                 if (composition->which == Z_RecordComp_simple)
 945                 {
 946                         simple = composition->u.simple;
 947                         if (simple->which == Z_ElementSetNames_generic)
 948                         {
 949                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 950                         }
 951                         else
 952                         {
 953                                 rr->errcode = 26;
 954                                 return 0;
 955                         }
 956                 }
 957                 else
 958                 {
 959                         rr->errcode = 26;
 960                         return 0;
 961                 }
 962         }
 963
 964         PUSHMARK(sp);
 965
 966         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 967
 968         PUTBACK;
 969
 970         handler_cv = simpleserver_sv2cv( present_ref );
 971         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 972
 973         SPAGAIN;
 974
 975         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 976         err_code = newSVsv(*temp);
 977
 978         temp = hv_fetch(href, "ERR_STR", 7, 1);
 979         err_string = newSVsv(*temp);
 980
 981         temp = hv_fetch(href, "HITS", 4, 1);
 982         hits = newSVsv(*temp);
 983
 984         temp = hv_fetch(href, "HANDLE", 6, 1);
 985         point = newSVsv(*temp);
 986
 987         PUTBACK;
 988         FREETMPS;
 989         LEAVE;
 990
 991         hv_undef(href);
 992         rr->errcode = SvIV(err_code);
 993         rr->hits = SvIV(hits);
 994
 995         ptr = SvPV(err_string, len);
 996         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 997         strcpy(ODR_errstr, ptr);
 998         rr->errstring = ODR_errstr;
 999 /*      wrbuf_free(oid_dotted, 1);*/
1000         zhandle->handle = point;
1001         handle = zhandle;
1002         sv_free(err_code);
1003         sv_free(err_string);
1004         sv_free(hits);
1005         sv_free( (SV*) href);
1006
1007         return 0;
1008 }
1009
1010
1011 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1012 {
1013         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1014         return 0;
1015 }
1016
1017
1018 int bend_delete(void *handle, bend_delete_rr *rr)
1019 {
1020         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1021         return 0;
1022 }
1023
1024
1025 int bend_scan(void *handle, bend_scan_rr *rr)
1026 {
1027         HV *href;
1028         AV *aref;
1029         AV *list;
1030         AV *entries;
1031         HV *scan_item;
1032         struct scan_entry *scan_list;
1033         struct scan_entry *buffer;
1034         int *step_size = rr->step_size;
1035         int i;
1036         char **basenames;
1037         SV **temp;
1038         SV *err_code = sv_newmortal();
1039         SV *err_str = sv_newmortal();
1040         SV *point = sv_newmortal();
1041         SV *status = sv_newmortal();
1042         SV *number = sv_newmortal();
1043         char *ptr;
1044         char *ODR_errstr;
1045         STRLEN len;
1046         int term_len;
1047         SV *entries_ref;
1048         Zfront_handle *zhandle = (Zfront_handle *)handle;
1049         CV* handler_cv = 0;
1050
1051         dSP;
1052         ENTER;
1053         SAVETMPS;
1054         href = newHV();
1055         list = newAV();
1056         if (rr->term->term->which == Z_Term_general)
1057         {
1058                 term_len = rr->term->term->u.general->len;
1059                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1060         } else {
1061                 rr->errcode = 229;      /* Unsupported term type */
1062                 return 0;
1063         }
1064         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1065         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1066         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1067         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1068         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1069         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1070         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1071         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1072         aref = newAV();
1073         basenames = rr->basenames;
1074         for (i = 0; i < rr->num_bases; i++)
1075         {
1076                 av_push(aref, newSVpv(*basenames++, 0));
1077         }
1078         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1079
1080         PUSHMARK(sp);
1081
1082         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1083
1084         PUTBACK;
1085
1086         handler_cv = simpleserver_sv2cv( scan_ref );
1087         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1088
1089         SPAGAIN;
1090
1091         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1092         err_code = newSVsv(*temp);
1093
1094         temp = hv_fetch(href, "ERR_STR", 7, 1);
1095         err_str = newSVsv(*temp);
1096
1097         temp = hv_fetch(href, "HANDLE", 6, 1);
1098         point = newSVsv(*temp);
1099
1100         temp = hv_fetch(href, "STATUS", 6, 1);
1101         status = newSVsv(*temp);
1102
1103         temp = hv_fetch(href, "NUMBER", 6, 1);
1104         number = newSVsv(*temp);
1105
1106         temp = hv_fetch(href, "ENTRIES", 7, 1);
1107         entries_ref = newSVsv(*temp);
1108
1109         PUTBACK;
1110         FREETMPS;
1111         LEAVE;
1112
1113         ptr = SvPV(err_str, len);
1114         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1115         strcpy(ODR_errstr, ptr);
1116         rr->errstring = ODR_errstr;
1117         rr->errcode = SvIV(err_code);
1118         rr->num_entries = SvIV(number);
1119         rr->status = SvIV(status);
1120         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1121         buffer = scan_list;
1122         entries = (AV *)SvRV(entries_ref);
1123         for (i = 0; i < rr->num_entries; i++)
1124         {
1125                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1126                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1127                 ptr = SvPV(*temp, len);
1128                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1129                 strcpy(buffer->term, ptr);
1130                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1131                 buffer->occurrences = SvIV(*temp);
1132                 buffer++;
1133                 hv_undef(scan_item);
1134         }
1135         rr->entries = scan_list;
1136         zhandle->handle = point;
1137         handle = zhandle;
1138         sv_free(err_code);
1139         sv_free(err_str);
1140         sv_free(status);
1141         sv_free(number);
1142         hv_undef(href);
1143         sv_free((SV *)href);
1144         av_undef(aref);
1145         sv_free((SV *)aref);
1146         av_undef(list);
1147         sv_free((SV *)list);
1148         av_undef(entries);
1149         /*sv_free((SV *)entries);*/
1150         sv_free(entries_ref);
1151
1152         return 0;
1153 }
1154
1155 bend_initresult *bend_init(bend_initrequest *q)
1156 {
1157         int dummy = simpleserver_clone();
1158         bend_initresult *r = (bend_initresult *)
1159                 odr_malloc (q->stream, sizeof(*r));
1160         char *ptr;
1161         char *user = NULL;
1162         char *passwd = NULL;
1163         CV* handler_cv = 0;
1164         dSP;
1165         STRLEN len;
1166         NMEM nmem = nmem_create();
1167         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1168                         sizeof(*zhandle));
1169         SV *handle;
1170         HV *href;
1171         SV **temp;
1172
1173         ENTER;
1174         SAVETMPS;
1175
1176         zhandle->nmem = nmem;
1177         zhandle->stop_flag = 0;
1178         /*q->bend_sort = bend_sort;*/
1179         if (search_ref)
1180         {
1181                 q->bend_search = bend_search;
1182         }
1183         if (present_ref)
1184         {
1185                 q->bend_present = bend_present;
1186         }
1187         /*q->bend_esrequest = bend_esrequest;*/
1188         /*q->bend_delete = bend_delete;*/
1189         if (fetch_ref)
1190         {
1191                 q->bend_fetch = bend_fetch;
1192         }
1193         if (scan_ref)
1194         {
1195                 q->bend_scan = bend_scan;
1196         }
1197
1198         href = newHV();
1199         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1200         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1201         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1202         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1203         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1204         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1205         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1206         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1207         if (q->auth) {
1208             if (q->auth->which == Z_IdAuthentication_open) {
1209                 char *openpass = xstrdup (q->auth->u.open);
1210                 char *cp = strchr (openpass, '/');
1211                 if (cp) {
1212                     *cp = '\0';
1213                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1214                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1215                 }
1216                 xfree(openpass);
1217             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1218                 user = q->auth->u.idPass->userId;
1219                 passwd = q->auth->u.idPass->password;
1220             }
1221             /* ### some code paths have user/password unassigned here */
1222             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1223             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1224         }
1225
1226         PUSHMARK(sp);
1227
1228         XPUSHs(sv_2mortal(newRV((SV*) href)));
1229
1230         PUTBACK;
1231
1232         if (init_ref != NULL)
1233         {
1234              handler_cv = simpleserver_sv2cv( init_ref );
1235              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1236         }
1237
1238         SPAGAIN;
1239
1240         temp = hv_fetch(href, "IMP_ID", 6, 1);
1241         ptr = SvPV(*temp, len);
1242         q->implementation_id = nmem_strdup(nmem, ptr);
1243
1244         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1245         ptr = SvPV(*temp, len);
1246         q->implementation_name = nmem_strdup(nmem, ptr);
1247
1248         temp = hv_fetch(href, "IMP_VER", 7, 1);
1249         ptr = SvPV(*temp, len);
1250         q->implementation_version = nmem_strdup(nmem, ptr);
1251
1252         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1253         r->errcode = SvIV(*temp);
1254
1255         temp = hv_fetch(href, "ERR_STR", 7, 1);
1256         ptr = SvPV(*temp, len);
1257         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1258         strcpy(r->errstring, ptr);
1259
1260         temp = hv_fetch(href, "HANDLE", 6, 1);
1261         handle= newSVsv(*temp);
1262         zhandle->handle = handle;
1263
1264         r->handle = zhandle;
1265
1266         hv_undef(href);
1267         sv_free((SV*) href);
1268
1269         PUTBACK;
1270         FREETMPS;
1271         LEAVE;
1272
1273         return r;
1274 }
1275
1276 void bend_close(void *handle)
1277 {
1278         HV *href;
1279         Zfront_handle *zhandle = (Zfront_handle *)handle;
1280         CV* handler_cv = 0;
1281         int stop_flag = 0;
1282         dSP;
1283         ENTER;
1284         SAVETMPS;
1285
1286         if (close_ref)
1287         {
1288                 href = newHV();
1289                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1290
1291                 PUSHMARK(sp);
1292
1293                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1294
1295                 PUTBACK;
1296
1297                 handler_cv = simpleserver_sv2cv( close_ref );
1298                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1299
1300                 SPAGAIN;
1301
1302                 sv_free((SV*) href);
1303         }
1304         else
1305                 sv_free(zhandle->handle);
1306         PUTBACK;
1307         FREETMPS;
1308         LEAVE;
1309         stop_flag = zhandle->stop_flag;
1310         nmem_destroy(zhandle->nmem);
1311         simpleserver_free();
1312
1313         if (stop_flag)
1314                 exit(0);
1315         return;
1316 }
1317
1318
1319 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1320
1321 void
1322 set_init_handler(arg)
1323                 SV *arg
1324         CODE:
1325                 init_ref = newSVsv(arg);
1326
1327
1328 void
1329 set_close_handler(arg)
1330                 SV *arg
1331         CODE:
1332                 close_ref = newSVsv(arg);
1333
1334
1335 void
1336 set_sort_handler(arg)
1337                 SV *arg
1338         CODE:
1339                 sort_ref = newSVsv(arg);
1340
1341 void
1342 set_search_handler(arg)
1343                 SV *arg
1344         CODE:
1345                 search_ref = newSVsv(arg);
1346
1347
1348 void
1349 set_fetch_handler(arg)
1350                 SV *arg
1351         CODE:
1352                 fetch_ref = newSVsv(arg);
1353
1354
1355 void
1356 set_present_handler(arg)
1357                 SV *arg
1358         CODE:
1359                 present_ref = newSVsv(arg);
1360
1361
1362 void
1363 set_esrequest_handler(arg)
1364                 SV *arg
1365         CODE:
1366                 esrequest_ref = newSVsv(arg);
1367
1368
1369 void
1370 set_delete_handler(arg)
1371                 SV *arg
1372         CODE:
1373                 delete_ref = newSVsv(arg);
1374
1375
1376 void
1377 set_scan_handler(arg)
1378                 SV *arg
1379         CODE:
1380                 scan_ref = newSVsv(arg);
1381
1382
1383 int
1384 start_server(...)
1385         PREINIT:
1386                 char **argv;
1387                 char **argv_buf;
1388                 char *ptr;
1389                 int i;
1390                 STRLEN len;
1391         CODE:
1392                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1393                 argv = argv_buf;
1394                 for (i = 0; i < items; i++)
1395                 {
1396                         ptr = SvPV(ST(i), len);
1397                         *argv_buf = (char *)xmalloc(len + 1);
1398                         strcpy(*argv_buf++, ptr);
1399                 }
1400                 *argv_buf = NULL;
1401                 root_perl_context = PERL_GET_CONTEXT;
1402                 nmem_mutex_create(&simpleserver_mutex);
1403 #if 0
1404                 /* only for debugging perl_clone .. */
1405                 tst_clones();
1406 #endif
1407
1408                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1409         OUTPUT:
1410                 RETVAL
1411
1412
1413 int
1414 ScanSuccess()
1415         CODE:
1416                 RETVAL = BEND_SCAN_SUCCESS;
1417         OUTPUT:
1418                 RETVAL
1419
1420 int
1421 ScanPartial()
1422         CODE:
1423                 RETVAL = BEND_SCAN_PARTIAL;
1424         OUTPUT:
1425                 RETVAL
1426
1427