SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.36 2006-01-30 21:29:41 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 (SimpleServer): ");
 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_resultSetId) {
 445             SV *sv2;
 446             /* This code causes a SIGBUS on my machine, and I have no
 447                idea why.  It seems as clear as day to me */
 448             char *rsid = (char*) o->u.resultSetId;
 449             printf("Encoding resultSetId '%s'\n", rsid);
 450             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 451             printf("Made sv=0x%lx, hv=0x%lx\n",
 452                    (unsigned long) sv ,(unsigned long) hv);
 453             sv2 = newSVpv(rsid, strlen(rsid));
 454             setMember(hv, "id", sv2);
 455             printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
 456             return sv;
 457         }
 458         if (o->which != Z_Operand_APT)
 459             fatal("can't handle RPN simples other than APT and RSID");
 460         at = o->u.attributesPlusTerm;
 461         if (at->term->which != Z_Term_general)
 462             fatal("can't handle RPN terms other than general");
 463
 464         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 465         if (at->attributes) {
 466             int i;
 467             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 468                                   (SV*) (av = newAV()));
 469             for (i = 0; i < at->attributes->num_attributes; i++) {
 470                 Z_AttributeElement *elem = at->attributes->attributes[i];
 471                 HV *hv2;
 472                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 473                                     (SV*) (hv2 = newHV()));
 474                 if (elem->attributeSet)
 475                     setMember(hv2, "attributeSet",
 476                               translateOID(elem->attributeSet));
 477                 setMember(hv2, "attributeType",
 478                           newSViv(*elem->attributeType));
 479                 assert(elem->which == Z_AttributeValue_numeric);
 480                 setMember(hv2, "attributeValue",
 481                           newSViv(*elem->value.numeric));
 482                 av_push(av, tmp);
 483             }
 484             setMember(hv, "attributes", attrs);
 485         }
 486         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 487                                       at->term->u.general->len));
 488         return sv;
 489     }
 490     case Z_RPNStructure_complex: {
 491         SV *tmp;
 492         Z_Complex *c = s->u.complex;
 493         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 494         switch (c->roperator->which) {
 495         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 496         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 497         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 498         case Z_Operator_prox:    fatal("proximity not yet supported");
 499         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 500         }
 501         sv = newObject(type, (SV*) (av = newAV()));
 502         if ((tmp = rpn2perl(c->s1)) == 0)
 503             return 0;
 504         av_push(av, tmp);
 505         if ((tmp = rpn2perl(c->s2)) == 0)
 506             return 0;
 507         av_push(av, tmp);
 508         return sv;
 509     }
 510     default: fatal("unknown RPN node type %d", (int) s->which);
 511     }
 512
 513     return 0;
 514 }
 515
 516
 517 static SV *zquery2perl(Z_Query *q)
 518 {
 519     SV *sv;
 520     HV *hv;
 521
 522     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 523         return 0;
 524     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 525     if (q->u.type_1->attributeSetId)
 526         setMember(hv, "attributeSet",
 527                   translateOID(q->u.type_1->attributeSetId));
 528     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 529     return sv;
 530 }
 531
 532
 533 int bend_sort(void *handle, bend_sort_rr *rr)
 534 {
 535         HV *href;
 536         AV *aref;
 537         SV **temp;
 538         SV *err_code;
 539         SV *err_str;
 540         SV *status;
 541         STRLEN len;
 542         char *ptr;
 543         char *ODR_err_str;
 544         char **input_setnames;
 545         Zfront_handle *zhandle = (Zfront_handle *)handle;
 546         int i;
 547
 548         dSP;
 549         ENTER;
 550         SAVETMPS;
 551
 552         aref = newAV();
 553         input_setnames = rr->input_setnames;
 554         for (i = 0; i < rr->num_input_setnames; i++)
 555         {
 556                 av_push(aref, newSVpv(*input_setnames++, 0));
 557         }
 558         href = newHV();
 559         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 560         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 561         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 562         hv_store(href, "STATUS", 6, newSViv(0), 0);
 563
 564         PUSHMARK(sp);
 565
 566         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 567
 568         PUTBACK;
 569
 570         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 571
 572         SPAGAIN;
 573
 574         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 575         err_code = newSVsv(*temp);
 576
 577         temp = hv_fetch(href, "ERR_STR", 7, 1);
 578         err_str = newSVsv(*temp);
 579
 580         temp = hv_fetch(href, "STATUS", 6, 1);
 581         status = newSVsv(*temp);
 582
 583         PUTBACK;
 584         FREETMPS;
 585         LEAVE;
 586
 587         hv_undef(href),
 588         av_undef(aref);
 589         rr->errcode = SvIV(err_code);
 590         rr->sort_status = SvIV(status);
 591         ptr = SvPV(err_str, len);
 592         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 593         strcpy(ODR_err_str, ptr);
 594         rr->errstring = ODR_err_str;
 595
 596         sv_free(err_code);
 597         sv_free(err_str);
 598         sv_free(status);
 599
 600         return 0;
 601 }
 602
 603
 604 int bend_search(void *handle, bend_search_rr *rr)
 605 {
 606         HV *href;
 607         AV *aref;
 608         SV **temp;
 609         char *ODR_errstr;
 610         STRLEN len;
 611         int i;
 612         char **basenames;
 613         WRBUF query;
 614         char *ptr;
 615         SV *point;
 616         Zfront_handle *zhandle = (Zfront_handle *)handle;
 617         CV* handler_cv = 0;
 618
 619         dSP;
 620         ENTER;
 621         SAVETMPS;
 622
 623         aref = newAV();
 624         basenames = rr->basenames;
 625         for (i = 0; i < rr->num_bases; i++)
 626         {
 627                 av_push(aref, newSVpv(*basenames++, 0));
 628         }
 629 #if ENABLE_STOP_SERVER
 630         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 631         {
 632                 zhandle->stop_flag = 1;
 633         }
 634 #endif
 635         href = newHV();
 636         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 637         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 638         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 639         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 640         hv_store(href, "HITS", 4, newSViv(0), 0);
 641         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 642         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 643         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 644         hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
 645         query = zquery2pquery(rr->query);
 646         if (query)
 647         {
 648                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 649         }
 650         else
 651         {
 652                 rr->errcode = 108;
 653         }
 654         PUSHMARK(sp);
 655
 656         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 657
 658         PUTBACK;
 659
 660         handler_cv = simpleserver_sv2cv( search_ref );
 661         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 662
 663         SPAGAIN;
 664
 665         temp = hv_fetch(href, "HITS", 4, 1);
 666         rr->hits = SvIV(*temp);
 667
 668         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 669         rr->errcode = SvIV(*temp);
 670
 671         temp = hv_fetch(href, "ERR_STR", 7, 1);
 672         ptr = SvPV(*temp, len);
 673         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 674         strcpy(ODR_errstr, ptr);
 675         rr->errstring = ODR_errstr;
 676
 677         temp = hv_fetch(href, "HANDLE", 6, 1);
 678         point = newSVsv(*temp);
 679
 680         hv_undef(href);
 681         av_undef(aref);
 682
 683         zhandle->handle = point;
 684         sv_free( (SV*) aref);
 685         sv_free( (SV*) href);
 686         wrbuf_free(query, 1);
 687         PUTBACK;
 688         FREETMPS;
 689         LEAVE;
 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
 861         hv_undef(href);
 862
 863         ptr = SvPV(basename, length);
 864         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 865         strcpy(ODR_basename, ptr);
 866         rr->basename = ODR_basename;
 867
 868         ptr = SvPV(rep_form, length);
 869         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 870         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 871         {
 872                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 873         }
 874         rr->output_format_raw = ODR_oid_buf;
 875
 876         ptr = SvPV(record, length);
 877         oid = oid_getentbyoid(ODR_oid_buf);
 878         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 879         {
 880                 rr->record = (char *) read_grs1(ptr, rr->stream);
 881                 rr->len = -1;
 882         }
 883         else
 884         {
 885                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 886                 strcpy(ODR_record, ptr);
 887                 rr->record = ODR_record;
 888                 rr->len = length;
 889         }
 890         zhandle->handle = point;
 891         handle = zhandle;
 892         rr->last_in_set = SvIV(last);
 893
 894         if (!(rr->errcode))
 895         {
 896                 rr->errcode = SvIV(err_code);
 897                 ptr = SvPV(err_string, length);
 898                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 899                 strcpy(ODR_errstr, ptr);
 900                 rr->errstring = ODR_errstr;
 901         }
 902         rr->surrogate_flag = SvIV(sur_flag);
 903
 904         wrbuf_free(oid_dotted, 1);
 905         sv_free((SV*) href);
 906         sv_free(basename);
 907         sv_free(record);
 908         sv_free(last);
 909         sv_free(err_string);
 910         sv_free(err_code),
 911         sv_free(sur_flag);
 912         sv_free(rep_form);
 913
 914         PUTBACK;
 915         FREETMPS;
 916         LEAVE;
 917
 918         return 0;
 919 }
 920
 921
 922 int bend_present(void *handle, bend_present_rr *rr)
 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 *entries_ref;
1062         Zfront_handle *zhandle = (Zfront_handle *)handle;
1063         CV* handler_cv = 0;
1064
1065         dSP;
1066         ENTER;
1067         SAVETMPS;
1068         href = newHV();
1069         list = newAV();
1070         if (rr->term->term->which == Z_Term_general)
1071         {
1072                 term_len = rr->term->term->u.general->len;
1073                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1074         } else {
1075                 rr->errcode = 229;      /* Unsupported term type */
1076                 return 0;
1077         }
1078         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1079         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1080         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1081         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1082         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1083         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1084         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1085         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1086         aref = newAV();
1087         basenames = rr->basenames;
1088         for (i = 0; i < rr->num_bases; i++)
1089         {
1090                 av_push(aref, newSVpv(*basenames++, 0));
1091         }
1092         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1093
1094         PUSHMARK(sp);
1095
1096         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1097
1098         PUTBACK;
1099
1100         handler_cv = simpleserver_sv2cv( scan_ref );
1101         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1102
1103         SPAGAIN;
1104
1105         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1106         err_code = newSVsv(*temp);
1107
1108         temp = hv_fetch(href, "ERR_STR", 7, 1);
1109         err_str = newSVsv(*temp);
1110
1111         temp = hv_fetch(href, "HANDLE", 6, 1);
1112         point = newSVsv(*temp);
1113
1114         temp = hv_fetch(href, "STATUS", 6, 1);
1115         status = newSVsv(*temp);
1116
1117         temp = hv_fetch(href, "NUMBER", 6, 1);
1118         number = newSVsv(*temp);
1119
1120         temp = hv_fetch(href, "ENTRIES", 7, 1);
1121         entries_ref = newSVsv(*temp);
1122
1123         PUTBACK;
1124         FREETMPS;
1125         LEAVE;
1126
1127         ptr = SvPV(err_str, len);
1128         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1129         strcpy(ODR_errstr, ptr);
1130         rr->errstring = ODR_errstr;
1131         rr->errcode = SvIV(err_code);
1132         rr->num_entries = SvIV(number);
1133         rr->status = SvIV(status);
1134         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1135         buffer = scan_list;
1136         entries = (AV *)SvRV(entries_ref);
1137         for (i = 0; i < rr->num_entries; i++)
1138         {
1139                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1140                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1141                 ptr = SvPV(*temp, len);
1142                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1143                 strcpy(buffer->term, ptr);
1144                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1145                 buffer->occurrences = SvIV(*temp);
1146                 buffer++;
1147                 hv_undef(scan_item);
1148         }
1149         rr->entries = scan_list;
1150         zhandle->handle = point;
1151         handle = zhandle;
1152         sv_free(err_code);
1153         sv_free(err_str);
1154         sv_free(status);
1155         sv_free(number);
1156         hv_undef(href);
1157         sv_free((SV *)href);
1158         av_undef(aref);
1159         sv_free((SV *)aref);
1160         av_undef(list);
1161         sv_free((SV *)list);
1162         av_undef(entries);
1163         /*sv_free((SV *)entries);*/
1164         sv_free(entries_ref);
1165
1166         return 0;
1167 }
1168
1169 bend_initresult *bend_init(bend_initrequest *q)
1170 {
1171         int dummy = simpleserver_clone();
1172         bend_initresult *r = (bend_initresult *)
1173                 odr_malloc (q->stream, sizeof(*r));
1174         char *ptr;
1175         char *user = NULL;
1176         char *passwd = NULL;
1177         CV* handler_cv = 0;
1178         dSP;
1179         STRLEN len;
1180         NMEM nmem = nmem_create();
1181         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1182                         sizeof(*zhandle));
1183         SV *handle;
1184         HV *href;
1185         SV **temp;
1186
1187         ENTER;
1188         SAVETMPS;
1189
1190         zhandle->nmem = nmem;
1191         zhandle->stop_flag = 0;
1192         /*q->bend_sort = bend_sort;*/
1193         if (search_ref)
1194         {
1195                 q->bend_search = bend_search;
1196         }
1197         if (present_ref)
1198         {
1199                 q->bend_present = bend_present;
1200         }
1201         /*q->bend_esrequest = bend_esrequest;*/
1202         /*q->bend_delete = bend_delete;*/
1203         if (fetch_ref)
1204         {
1205                 q->bend_fetch = bend_fetch;
1206         }
1207         if (scan_ref)
1208         {
1209                 q->bend_scan = bend_scan;
1210         }
1211
1212         href = newHV();
1213         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1214         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1215         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1216         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1217         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1218         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1219         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1220         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1221         if (q->auth) {
1222             if (q->auth->which == Z_IdAuthentication_open) {
1223                 char *openpass = xstrdup (q->auth->u.open);
1224                 char *cp = strchr (openpass, '/');
1225                 if (cp) {
1226                     *cp = '\0';
1227                     user = nmem_strdup (odr_getmem (q->stream), openpass);
1228                     passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1229                 }
1230                 xfree(openpass);
1231             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1232                 user = q->auth->u.idPass->userId;
1233                 passwd = q->auth->u.idPass->password;
1234             }
1235             /* ### some code paths have user/password unassigned here */
1236             hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1237             hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1238         }
1239
1240         PUSHMARK(sp);
1241
1242         XPUSHs(sv_2mortal(newRV((SV*) href)));
1243
1244         PUTBACK;
1245
1246         if (init_ref != NULL)
1247         {
1248              handler_cv = simpleserver_sv2cv( init_ref );
1249              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1250         }
1251
1252         SPAGAIN;
1253
1254         temp = hv_fetch(href, "IMP_ID", 6, 1);
1255         ptr = SvPV(*temp, len);
1256         q->implementation_id = nmem_strdup(nmem, ptr);
1257
1258         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1259         ptr = SvPV(*temp, len);
1260         q->implementation_name = nmem_strdup(nmem, ptr);
1261
1262         temp = hv_fetch(href, "IMP_VER", 7, 1);
1263         ptr = SvPV(*temp, len);
1264         q->implementation_version = nmem_strdup(nmem, ptr);
1265
1266         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1267         r->errcode = SvIV(*temp);
1268
1269         temp = hv_fetch(href, "ERR_STR", 7, 1);
1270         ptr = SvPV(*temp, len);
1271         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1272         strcpy(r->errstring, ptr);
1273
1274         temp = hv_fetch(href, "HANDLE", 6, 1);
1275         handle= newSVsv(*temp);
1276         zhandle->handle = handle;
1277
1278         r->handle = zhandle;
1279
1280         hv_undef(href);
1281         sv_free((SV*) href);
1282
1283         PUTBACK;
1284         FREETMPS;
1285         LEAVE;
1286
1287         return r;
1288 }
1289
1290 void bend_close(void *handle)
1291 {
1292         HV *href;
1293         Zfront_handle *zhandle = (Zfront_handle *)handle;
1294         CV* handler_cv = 0;
1295         int stop_flag = 0;
1296         dSP;
1297         ENTER;
1298         SAVETMPS;
1299
1300         if (close_ref)
1301         {
1302                 href = newHV();
1303                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1304
1305                 PUSHMARK(sp);
1306
1307                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1308
1309                 PUTBACK;
1310
1311                 handler_cv = simpleserver_sv2cv( close_ref );
1312                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1313
1314                 SPAGAIN;
1315
1316                 sv_free((SV*) href);
1317         }
1318         else
1319                 sv_free(zhandle->handle);
1320         PUTBACK;
1321         FREETMPS;
1322         LEAVE;
1323         stop_flag = zhandle->stop_flag;
1324         nmem_destroy(zhandle->nmem);
1325         simpleserver_free();
1326
1327         if (stop_flag)
1328                 exit(0);
1329         return;
1330 }
1331
1332
1333 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1334
1335 PROTOTYPES: DISABLE
1336
1337
1338 void
1339 set_init_handler(arg)
1340                 SV *arg
1341         CODE:
1342                 init_ref = newSVsv(arg);
1343
1344
1345 void
1346 set_close_handler(arg)
1347                 SV *arg
1348         CODE:
1349                 close_ref = newSVsv(arg);
1350
1351
1352 void
1353 set_sort_handler(arg)
1354                 SV *arg
1355         CODE:
1356                 sort_ref = newSVsv(arg);
1357
1358 void
1359 set_search_handler(arg)
1360                 SV *arg
1361         CODE:
1362                 search_ref = newSVsv(arg);
1363
1364
1365 void
1366 set_fetch_handler(arg)
1367                 SV *arg
1368         CODE:
1369                 fetch_ref = newSVsv(arg);
1370
1371
1372 void
1373 set_present_handler(arg)
1374                 SV *arg
1375         CODE:
1376                 present_ref = newSVsv(arg);
1377
1378
1379 void
1380 set_esrequest_handler(arg)
1381                 SV *arg
1382         CODE:
1383                 esrequest_ref = newSVsv(arg);
1384
1385
1386 void
1387 set_delete_handler(arg)
1388                 SV *arg
1389         CODE:
1390                 delete_ref = newSVsv(arg);
1391
1392
1393 void
1394 set_scan_handler(arg)
1395                 SV *arg
1396         CODE:
1397                 scan_ref = newSVsv(arg);
1398
1399
1400 int
1401 start_server(...)
1402         PREINIT:
1403                 char **argv;
1404                 char **argv_buf;
1405                 char *ptr;
1406                 int i;
1407                 STRLEN len;
1408         CODE:
1409                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1410                 argv = argv_buf;
1411                 for (i = 0; i < items; i++)
1412                 {
1413                         ptr = SvPV(ST(i), len);
1414                         *argv_buf = (char *)xmalloc(len + 1);
1415                         strcpy(*argv_buf++, ptr);
1416                 }
1417                 *argv_buf = NULL;
1418                 root_perl_context = PERL_GET_CONTEXT;
1419                 nmem_mutex_create(&simpleserver_mutex);
1420 #if 0
1421                 /* only for debugging perl_clone .. */
1422                 tst_clones();
1423 #endif
1424
1425                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1426         OUTPUT:
1427                 RETVAL
1428
1429
1430 int
1431 ScanSuccess()
1432         CODE:
1433                 RETVAL = BEND_SCAN_SUCCESS;
1434         OUTPUT:
1435                 RETVAL
1436
1437 int
1438 ScanPartial()
1439         CODE:
1440                 RETVAL = BEND_SCAN_PARTIAL;
1441         OUTPUT:
1442                 RETVAL
1443
1444
1445 void
1446 yazlog(arg)
1447                 SV *arg
1448         CODE:
1449                 STRLEN len;
1450                 char *ptr;
1451                 ptr = SvPV(arg, len);
1452                 yaz_log(YLOG_LOG, "%.*s", len, ptr);