SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.41 2006-04-19 12:37:32 mike 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 WRBUF zquery2pquery(Z_Query *q)
 276 {
 277     WRBUF buf = wrbuf_alloc();
 278
 279     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 280         return 0;
 281     yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
 282     return buf;
 283 }
 284
 285
 286 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 287 #include <stdarg.h>
 288 void fatal(char *fmt, ...)
 289 {
 290     va_list ap;
 291
 292     fprintf(stderr, "FATAL (SimpleServer): ");
 293     va_start(ap, fmt);
 294     vfprintf(stderr, fmt, ap);
 295     va_end(ap);
 296     fprintf(stderr, "\n");
 297     abort();
 298 }
 299
 300
 301 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 302 /*
 303  * Creates a new Perl object of type `class'; the newly-created scalar
 304  * that is a reference to the blessed thingy `referent' is returned.
 305  */
 306 static SV *newObject(char *class, SV *referent)
 307 {
 308     HV *stash;
 309     SV *sv;
 310
 311     sv = newRV_noinc((SV*) referent);
 312     stash = gv_stashpv(class, 0);
 313     if (stash == 0)
 314         fatal("attempt to create object of undefined class '%s'", class);
 315     /*assert(stash != 0);*/
 316     sv_bless(sv, stash);
 317     return sv;
 318 }
 319
 320
 321 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 322 static void setMember(HV *hv, char *name, SV *val)
 323 {
 324     /* We don't increment `val's reference count -- I think this is
 325      * right because it's created with a refcount of 1, and in fact
 326      * the reference via this hash is the only reference to it in
 327      * general.
 328      */
 329     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 330         fatal("couldn't store member in hash");
 331 }
 332
 333
 334 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 335 static SV *translateOID(Odr_oid *x)
 336 {
 337     /* Yaz represents an OID by an int array terminated by a negative
 338      * value, typically -1; we represent it as a reference to a
 339      * blessed scalar string of "."-separated elements.
 340      */
 341     char buf[1000];
 342     int i;
 343
 344     *buf = '\0';
 345     for (i = 0; x[i] >= 0; i++) {
 346         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 347         if (x[i+1] >- 0)
 348             strcat(buf, ".");
 349     }
 350
 351     /*
 352      * ### We'd like to return a blessed scalar (string) here, but of
 353      *  course you can't do that in Perl: only references can be
 354      *  blessed, so we'd have to return a _reference_ to a string, and
 355      *  bless _that_.  Better to do without the blessing, I think.
 356      */
 357     if (1) {
 358         return newSVpv(buf, 0);
 359     } else {
 360         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 361     }
 362 }
 363
 364
 365 static SV *rpn2perl(Z_RPNStructure *s)
 366 {
 367     SV *sv;
 368     HV *hv;
 369     AV *av;
 370
 371     switch (s->which) {
 372     case Z_RPNStructure_simple: {
 373         Z_Operand *o = s->u.simple;
 374         Z_AttributesPlusTerm *at;
 375         if (o->which == Z_Operand_resultSetId) {
 376             SV *sv2;
 377             /* This code causes a SIGBUS on my machine, and I have no
 378                idea why.  It seems as clear as day to me */
 379             char *rsid = (char*) o->u.resultSetId;
 380             printf("Encoding resultSetId '%s'\n", rsid);
 381             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 382             printf("Made sv=0x%lx, hv=0x%lx\n",
 383                    (unsigned long) sv ,(unsigned long) hv);
 384             sv2 = newSVpv(rsid, strlen(rsid));
 385             setMember(hv, "id", sv2);
 386             printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
 387             return sv;
 388         }
 389         if (o->which != Z_Operand_APT)
 390             fatal("can't handle RPN simples other than APT and RSID");
 391         at = o->u.attributesPlusTerm;
 392         if (at->term->which != Z_Term_general)
 393             fatal("can't handle RPN terms other than general");
 394
 395         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 396         if (at->attributes) {
 397             int i;
 398             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 399                                   (SV*) (av = newAV()));
 400             for (i = 0; i < at->attributes->num_attributes; i++) {
 401                 Z_AttributeElement *elem = at->attributes->attributes[i];
 402                 HV *hv2;
 403                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 404                                     (SV*) (hv2 = newHV()));
 405                 if (elem->attributeSet)
 406                     setMember(hv2, "attributeSet",
 407                               translateOID(elem->attributeSet));
 408                 setMember(hv2, "attributeType",
 409                           newSViv(*elem->attributeType));
 410                 assert(elem->which == Z_AttributeValue_numeric);
 411                 setMember(hv2, "attributeValue",
 412                           newSViv(*elem->value.numeric));
 413                 av_push(av, tmp);
 414             }
 415             setMember(hv, "attributes", attrs);
 416         }
 417         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 418                                       at->term->u.general->len));
 419         return sv;
 420     }
 421     case Z_RPNStructure_complex: {
 422         SV *tmp;
 423         Z_Complex *c = s->u.complex;
 424         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 425         switch (c->roperator->which) {
 426         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 427         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 428         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 429         case Z_Operator_prox:    fatal("proximity not yet supported");
 430         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 431         }
 432         sv = newObject(type, (SV*) (av = newAV()));
 433         if ((tmp = rpn2perl(c->s1)) == 0)
 434             return 0;
 435         av_push(av, tmp);
 436         if ((tmp = rpn2perl(c->s2)) == 0)
 437             return 0;
 438         av_push(av, tmp);
 439         return sv;
 440     }
 441     default: fatal("unknown RPN node type %d", (int) s->which);
 442     }
 443
 444     return 0;
 445 }
 446
 447
 448 static SV *zquery2perl(Z_Query *q)
 449 {
 450     SV *sv;
 451     HV *hv;
 452
 453     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 454         return 0;
 455     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 456     if (q->u.type_1->attributeSetId)
 457         setMember(hv, "attributeSet",
 458                   translateOID(q->u.type_1->attributeSetId));
 459     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 460     return sv;
 461 }
 462
 463
 464 int bend_sort(void *handle, bend_sort_rr *rr)
 465 {
 466         HV *href;
 467         AV *aref;
 468         SV **temp;
 469         SV *err_code;
 470         SV *err_str;
 471         SV *status;
 472         STRLEN len;
 473         char *ptr;
 474         char *ODR_err_str;
 475         char **input_setnames;
 476         Zfront_handle *zhandle = (Zfront_handle *)handle;
 477         int i;
 478
 479         dSP;
 480         ENTER;
 481         SAVETMPS;
 482
 483         aref = newAV();
 484         input_setnames = rr->input_setnames;
 485         for (i = 0; i < rr->num_input_setnames; i++)
 486         {
 487                 av_push(aref, newSVpv(*input_setnames++, 0));
 488         }
 489         href = newHV();
 490         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 491         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 492         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 493         hv_store(href, "STATUS", 6, newSViv(0), 0);
 494
 495         PUSHMARK(sp);
 496
 497         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 498
 499         PUTBACK;
 500
 501         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 502
 503         SPAGAIN;
 504
 505         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 506         err_code = newSVsv(*temp);
 507
 508         temp = hv_fetch(href, "ERR_STR", 7, 1);
 509         err_str = newSVsv(*temp);
 510
 511         temp = hv_fetch(href, "STATUS", 6, 1);
 512         status = newSVsv(*temp);
 513
 514         PUTBACK;
 515         FREETMPS;
 516         LEAVE;
 517
 518         hv_undef(href),
 519         av_undef(aref);
 520         rr->errcode = SvIV(err_code);
 521         rr->sort_status = SvIV(status);
 522         ptr = SvPV(err_str, len);
 523         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 524         strcpy(ODR_err_str, ptr);
 525         rr->errstring = ODR_err_str;
 526
 527         sv_free(err_code);
 528         sv_free(err_str);
 529         sv_free(status);
 530
 531         return 0;
 532 }
 533
 534
 535 int bend_search(void *handle, bend_search_rr *rr)
 536 {
 537         HV *href;
 538         AV *aref;
 539         SV **temp;
 540         char *ODR_errstr;
 541         STRLEN len;
 542         int i;
 543         char **basenames;
 544         WRBUF query;
 545         char *ptr;
 546         SV *point;
 547         Zfront_handle *zhandle = (Zfront_handle *)handle;
 548         CV* handler_cv = 0;
 549         SV *rpnSV;
 550
 551         dSP;
 552         ENTER;
 553         SAVETMPS;
 554
 555         aref = newAV();
 556         basenames = rr->basenames;
 557         for (i = 0; i < rr->num_bases; i++)
 558         {
 559                 av_push(aref, newSVpv(*basenames++, 0));
 560         }
 561 #if ENABLE_STOP_SERVER
 562         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 563         {
 564                 zhandle->stop_flag = 1;
 565         }
 566 #endif
 567         href = newHV();
 568         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 569         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 570         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 571         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 572         hv_store(href, "HITS", 4, newSViv(0), 0);
 573         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 574         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 575         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 576         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 577             hv_store(href, "RPN", 3, rpnSV, 0);
 578         }
 579         query = zquery2pquery(rr->query);
 580         if (query)
 581         {
 582                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 583         }
 584         else if (rr->query->which == Z_Query_type_104 &&
 585                  rr->query->u.type_104->which == Z_External_CQL) {
 586             hv_store(href, "CQL", 3,
 587                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 588         }
 589         else
 590         {
 591                 rr->errcode = 108;
 592                 return 0;
 593         }
 594         PUSHMARK(sp);
 595
 596         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 597
 598         PUTBACK;
 599
 600         handler_cv = simpleserver_sv2cv( search_ref );
 601         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 602
 603         SPAGAIN;
 604
 605         temp = hv_fetch(href, "HITS", 4, 1);
 606         rr->hits = SvIV(*temp);
 607
 608         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 609         rr->errcode = SvIV(*temp);
 610
 611         temp = hv_fetch(href, "ERR_STR", 7, 1);
 612         ptr = SvPV(*temp, len);
 613         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 614         strcpy(ODR_errstr, ptr);
 615         rr->errstring = ODR_errstr;
 616
 617         temp = hv_fetch(href, "HANDLE", 6, 1);
 618         point = newSVsv(*temp);
 619
 620         hv_undef(href);
 621         av_undef(aref);
 622
 623         zhandle->handle = point;
 624         sv_free( (SV*) aref);
 625         sv_free( (SV*) href);
 626         if (query)
 627             wrbuf_free(query, 1);
 628         PUTBACK;
 629         FREETMPS;
 630         LEAVE;
 631         return 0;
 632 }
 633
 634
 635 /* ### this is worryingly similar to oid2str() */
 636 WRBUF oid2dotted(int *oid)
 637 {
 638
 639         WRBUF buf = wrbuf_alloc();
 640         int dot = 0;
 641
 642         for (; *oid != -1 ; oid++)
 643         {
 644                 char ibuf[16];
 645                 if (dot)
 646                 {
 647                         wrbuf_putc(buf, '.');
 648                 }
 649                 else
 650                 {
 651                         dot = 1;
 652                 }
 653                 sprintf(ibuf, "%d", *oid);
 654                 wrbuf_puts(buf, ibuf);
 655         }
 656         return buf;
 657 }
 658
 659
 660 int dotted2oid(char *dotted, int *buffer)
 661 {
 662         int *oid;
 663         char ibuf[16];
 664         char *ptr;
 665         int n = 0;
 666
 667         ptr = ibuf;
 668         oid = buffer;
 669         while (*dotted)
 670         {
 671                 if (*dotted == '.')
 672                 {
 673                         n++;
 674                         if (n == MAX_OID)  /* Terminate if more than MAX_OID entries */
 675                         {
 676                                 *oid = -1;
 677                                 return -1;
 678                         }
 679                         *ptr = 0;
 680                         sscanf(ibuf, "%d", oid++);
 681                         ptr = ibuf;
 682                         dotted++;
 683
 684                 }
 685                 else
 686                 {
 687                         *ptr++ = *dotted++;
 688                 }
 689         }
 690         if (n < MAX_OID)
 691         {
 692                 *ptr = 0;
 693                 sscanf(ibuf, "%d", oid++);
 694         }
 695         *oid = -1;
 696         return 0;
 697 }
 698
 699
 700 int bend_fetch(void *handle, bend_fetch_rr *rr)
 701 {
 702         HV *href;
 703         SV **temp;
 704         SV *basename;
 705         SV *record;
 706         SV *last;
 707         SV *err_code;
 708         SV *err_string;
 709         SV *sur_flag;
 710         SV *point;
 711         SV *rep_form;
 712         char *ptr;
 713         char *ODR_record;
 714         char *ODR_basename;
 715         char *ODR_errstr;
 716         int *ODR_oid_buf;
 717         oident *oid;
 718         WRBUF oid_dotted;
 719         Zfront_handle *zhandle = (Zfront_handle *)handle;
 720         CV* handler_cv = 0;
 721
 722         Z_RecordComposition *composition;
 723         Z_ElementSetNames *simple;
 724         STRLEN length;
 725
 726         dSP;
 727         ENTER;
 728         SAVETMPS;
 729
 730         rr->errcode = 0;
 731         href = newHV();
 732         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 733         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 734         if (rr->request_format_raw != 0) {
 735             oid_dotted = oid2dotted(rr->request_format_raw);
 736         } else {
 737             /* Probably an SRU request: assume XML is required */
 738             oid_dotted = wrbuf_alloc();
 739             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 740         }
 741         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 742         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 743         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 744         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 745         hv_store(href, "LAST", 4, newSViv(0), 0);
 746         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 747         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 748         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 749         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 750         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 751         if (rr->comp)
 752         {
 753                 composition = rr->comp;
 754                 if (composition->which == Z_RecordComp_simple)
 755                 {
 756                         simple = composition->u.simple;
 757                         if (simple->which == Z_ElementSetNames_generic)
 758                         {
 759                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 760                         }
 761                         else
 762                         {
 763                                 rr->errcode = 26;
 764                         }
 765                 }
 766                 else
 767                 {
 768                         /* This is where we end up in the case of
 769                          * SRU.  Since record composition ("element
 770                          * sets") are meaningless in SRU anyway, we
 771                          * just skip this.
 772                          */
 773                 }
 774         }
 775
 776         PUSHMARK(sp);
 777
 778         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 779
 780         PUTBACK;
 781
 782         handler_cv = simpleserver_sv2cv( fetch_ref );
 783         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 784
 785         SPAGAIN;
 786
 787         temp = hv_fetch(href, "BASENAME", 8, 1);
 788         basename = newSVsv(*temp);
 789
 790         temp = hv_fetch(href, "RECORD", 6, 1);
 791         record = newSVsv(*temp);
 792
 793         temp = hv_fetch(href, "LAST", 4, 1);
 794         last = newSVsv(*temp);
 795
 796         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 797         err_code = newSVsv(*temp);
 798
 799         temp = hv_fetch(href, "ERR_STR", 7, 1),
 800         err_string = newSVsv(*temp);
 801
 802         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 803         sur_flag = newSVsv(*temp);
 804
 805         temp = hv_fetch(href, "REP_FORM", 8, 1);
 806         rep_form = newSVsv(*temp);
 807
 808         temp = hv_fetch(href, "HANDLE", 6, 1);
 809         point = newSVsv(*temp);
 810
 811
 812         hv_undef(href);
 813
 814         ptr = SvPV(basename, length);
 815         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 816         strcpy(ODR_basename, ptr);
 817         rr->basename = ODR_basename;
 818
 819         ptr = SvPV(rep_form, length);
 820         ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
 821         if (dotted2oid(ptr, ODR_oid_buf) == -1)         /* Maximum number of OID elements exceeded */
 822         {
 823                 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
 824         }
 825         rr->output_format_raw = ODR_oid_buf;
 826
 827         ptr = SvPV(record, length);
 828         oid = oid_getentbyoid(ODR_oid_buf);
 829         if (oid->value == VAL_GRS1)             /* Treat GRS-1 records separately */
 830         {
 831                 rr->record = (char *) read_grs1(ptr, rr->stream);
 832                 rr->len = -1;
 833         }
 834         else
 835         {
 836                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 837                 strcpy(ODR_record, ptr);
 838                 rr->record = ODR_record;
 839                 rr->len = length;
 840         }
 841         zhandle->handle = point;
 842         handle = zhandle;
 843         rr->last_in_set = SvIV(last);
 844
 845         if (!(rr->errcode))
 846         {
 847                 rr->errcode = SvIV(err_code);
 848                 ptr = SvPV(err_string, length);
 849                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 850                 strcpy(ODR_errstr, ptr);
 851                 rr->errstring = ODR_errstr;
 852         }
 853         rr->surrogate_flag = SvIV(sur_flag);
 854
 855         wrbuf_free(oid_dotted, 1);
 856         sv_free((SV*) href);
 857         sv_free(basename);
 858         sv_free(record);
 859         sv_free(last);
 860         sv_free(err_string);
 861         sv_free(err_code),
 862         sv_free(sur_flag);
 863         sv_free(rep_form);
 864
 865         PUTBACK;
 866         FREETMPS;
 867         LEAVE;
 868
 869         return 0;
 870 }
 871
 872
 873 int bend_present(void *handle, bend_present_rr *rr)
 874 {
 875         HV *href;
 876         SV **temp;
 877         SV *err_code;
 878         SV *err_string;
 879         SV *hits;
 880         SV *point;
 881         STRLEN len;
 882         Z_RecordComposition *composition;
 883         Z_ElementSetNames *simple;
 884         char *ODR_errstr;
 885         char *ptr;
 886         Zfront_handle *zhandle = (Zfront_handle *)handle;
 887         CV* handler_cv = 0;
 888
 889 /*      WRBUF oid_dotted; */
 890
 891         dSP;
 892         ENTER;
 893         SAVETMPS;
 894
 895         href = newHV();
 896         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 897         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 898         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 899         hv_store(href, "START", 5, newSViv(rr->start), 0);
 900         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 901         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
 902         /*oid_dotted = oid2dotted(rr->request_format_raw);
 903         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
 904         hv_store(href, "HITS", 4, newSViv(0), 0);
 905         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 906         if (rr->comp)
 907         {
 908                 composition = rr->comp;
 909                 if (composition->which == Z_RecordComp_simple)
 910                 {
 911                         simple = composition->u.simple;
 912                         if (simple->which == Z_ElementSetNames_generic)
 913                         {
 914                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 915                         }
 916                         else
 917                         {
 918                                 rr->errcode = 26;
 919                                 return 0;
 920                         }
 921                 }
 922                 else
 923                 {
 924                         rr->errcode = 26;
 925                         return 0;
 926                 }
 927         }
 928
 929         PUSHMARK(sp);
 930
 931         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 932
 933         PUTBACK;
 934
 935         handler_cv = simpleserver_sv2cv( present_ref );
 936         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 937
 938         SPAGAIN;
 939
 940         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 941         err_code = newSVsv(*temp);
 942
 943         temp = hv_fetch(href, "ERR_STR", 7, 1);
 944         err_string = newSVsv(*temp);
 945
 946         temp = hv_fetch(href, "HITS", 4, 1);
 947         hits = newSVsv(*temp);
 948
 949         temp = hv_fetch(href, "HANDLE", 6, 1);
 950         point = newSVsv(*temp);
 951
 952         PUTBACK;
 953         FREETMPS;
 954         LEAVE;
 955
 956         hv_undef(href);
 957         rr->errcode = SvIV(err_code);
 958         rr->hits = SvIV(hits);
 959
 960         ptr = SvPV(err_string, len);
 961         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
 962         strcpy(ODR_errstr, ptr);
 963         rr->errstring = ODR_errstr;
 964 /*      wrbuf_free(oid_dotted, 1);*/
 965         zhandle->handle = point;
 966         handle = zhandle;
 967         sv_free(err_code);
 968         sv_free(err_string);
 969         sv_free(hits);
 970         sv_free( (SV*) href);
 971
 972         return 0;
 973 }
 974
 975
 976 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
 977 {
 978         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
 979         return 0;
 980 }
 981
 982
 983 int bend_delete(void *handle, bend_delete_rr *rr)
 984 {
 985         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
 986         return 0;
 987 }
 988
 989
 990 int bend_scan(void *handle, bend_scan_rr *rr)
 991 {
 992         HV *href;
 993         AV *aref;
 994         AV *list;
 995         AV *entries;
 996         HV *scan_item;
 997         struct scan_entry *scan_list;
 998         struct scan_entry *buffer;
 999         int *step_size = rr->step_size;
1000         int i;
1001         char **basenames;
1002         SV **temp;
1003         SV *err_code = sv_newmortal();
1004         SV *err_str = sv_newmortal();
1005         SV *point = sv_newmortal();
1006         SV *status = sv_newmortal();
1007         SV *number = sv_newmortal();
1008         char *ptr;
1009         char *ODR_errstr;
1010         STRLEN len;
1011         int term_len;
1012         SV *entries_ref;
1013         Zfront_handle *zhandle = (Zfront_handle *)handle;
1014         CV* handler_cv = 0;
1015
1016         dSP;
1017         ENTER;
1018         SAVETMPS;
1019         href = newHV();
1020         list = newAV();
1021         if (rr->term->term->which == Z_Term_general)
1022         {
1023                 term_len = rr->term->term->u.general->len;
1024                 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1025         } else {
1026                 rr->errcode = 229;      /* Unsupported term type */
1027                 return 0;
1028         }
1029         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1030         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1031         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1032         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1033         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1034         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1035         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1036         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1037         aref = newAV();
1038         basenames = rr->basenames;
1039         for (i = 0; i < rr->num_bases; i++)
1040         {
1041                 av_push(aref, newSVpv(*basenames++, 0));
1042         }
1043         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1044
1045         PUSHMARK(sp);
1046
1047         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1048
1049         PUTBACK;
1050
1051         handler_cv = simpleserver_sv2cv( scan_ref );
1052         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1053
1054         SPAGAIN;
1055
1056         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1057         err_code = newSVsv(*temp);
1058
1059         temp = hv_fetch(href, "ERR_STR", 7, 1);
1060         err_str = newSVsv(*temp);
1061
1062         temp = hv_fetch(href, "HANDLE", 6, 1);
1063         point = newSVsv(*temp);
1064
1065         temp = hv_fetch(href, "STATUS", 6, 1);
1066         status = newSVsv(*temp);
1067
1068         temp = hv_fetch(href, "NUMBER", 6, 1);
1069         number = newSVsv(*temp);
1070
1071         temp = hv_fetch(href, "ENTRIES", 7, 1);
1072         entries_ref = newSVsv(*temp);
1073
1074         PUTBACK;
1075         FREETMPS;
1076         LEAVE;
1077
1078         ptr = SvPV(err_str, len);
1079         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1080         strcpy(ODR_errstr, ptr);
1081         rr->errstring = ODR_errstr;
1082         rr->errcode = SvIV(err_code);
1083         rr->num_entries = SvIV(number);
1084         rr->status = SvIV(status);
1085         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1086         buffer = scan_list;
1087         entries = (AV *)SvRV(entries_ref);
1088         for (i = 0; i < rr->num_entries; i++)
1089         {
1090                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1091                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1092                 ptr = SvPV(*temp, len);
1093                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1094                 strcpy(buffer->term, ptr);
1095                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1096                 buffer->occurrences = SvIV(*temp);
1097                 buffer++;
1098                 hv_undef(scan_item);
1099         }
1100         rr->entries = scan_list;
1101         zhandle->handle = point;
1102         handle = zhandle;
1103         sv_free(err_code);
1104         sv_free(err_str);
1105         sv_free(status);
1106         sv_free(number);
1107         hv_undef(href);
1108         sv_free((SV *)href);
1109         av_undef(aref);
1110         sv_free((SV *)aref);
1111         av_undef(list);
1112         sv_free((SV *)list);
1113         av_undef(entries);
1114         /*sv_free((SV *)entries);*/
1115         sv_free(entries_ref);
1116
1117         return 0;
1118 }
1119
1120 bend_initresult *bend_init(bend_initrequest *q)
1121 {
1122         int dummy = simpleserver_clone();
1123         bend_initresult *r = (bend_initresult *)
1124                 odr_malloc (q->stream, sizeof(*r));
1125         char *ptr;
1126         CV* handler_cv = 0;
1127         dSP;
1128         STRLEN len;
1129         NMEM nmem = nmem_create();
1130         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1131                         sizeof(*zhandle));
1132         SV *handle;
1133         HV *href;
1134         SV **temp;
1135
1136         ENTER;
1137         SAVETMPS;
1138
1139         zhandle->nmem = nmem;
1140         zhandle->stop_flag = 0;
1141         /*q->bend_sort = bend_sort;*/
1142         if (search_ref)
1143         {
1144                 q->bend_search = bend_search;
1145         }
1146         if (present_ref)
1147         {
1148                 q->bend_present = bend_present;
1149         }
1150         /*q->bend_esrequest = bend_esrequest;*/
1151         /*q->bend_delete = bend_delete;*/
1152         if (fetch_ref)
1153         {
1154                 q->bend_fetch = bend_fetch;
1155         }
1156         if (scan_ref)
1157         {
1158                 q->bend_scan = bend_scan;
1159         }
1160
1161         href = newHV();
1162         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1163         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1164         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1165         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1166         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1167         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1168         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1169         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1170         if (q->auth) {
1171             char *user = NULL;
1172             char *passwd = NULL;
1173             if (q->auth->which == Z_IdAuthentication_open) {
1174                 char *cp;
1175                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1176                 cp = strchr (user, '/');
1177                 if (cp) {
1178                     /* password after / given */
1179                     *cp = '\0';
1180                     passwd = cp+1;
1181                 }
1182             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1183                 user = q->auth->u.idPass->userId;
1184                 passwd = q->auth->u.idPass->password;
1185             }
1186             /* ### some code paths have user/password unassigned here */
1187             if (user)
1188                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1189             if (passwd)
1190                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1191         }
1192
1193         PUSHMARK(sp);
1194
1195         XPUSHs(sv_2mortal(newRV((SV*) href)));
1196
1197         PUTBACK;
1198
1199         if (init_ref != NULL)
1200         {
1201              handler_cv = simpleserver_sv2cv( init_ref );
1202              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1203         }
1204
1205         SPAGAIN;
1206
1207         temp = hv_fetch(href, "IMP_ID", 6, 1);
1208         ptr = SvPV(*temp, len);
1209         q->implementation_id = nmem_strdup(nmem, ptr);
1210
1211         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1212         ptr = SvPV(*temp, len);
1213         q->implementation_name = nmem_strdup(nmem, ptr);
1214
1215         temp = hv_fetch(href, "IMP_VER", 7, 1);
1216         ptr = SvPV(*temp, len);
1217         q->implementation_version = nmem_strdup(nmem, ptr);
1218
1219         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1220         r->errcode = SvIV(*temp);
1221
1222         temp = hv_fetch(href, "ERR_STR", 7, 1);
1223         ptr = SvPV(*temp, len);
1224         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1225         strcpy(r->errstring, ptr);
1226
1227         temp = hv_fetch(href, "HANDLE", 6, 1);
1228         handle= newSVsv(*temp);
1229         zhandle->handle = handle;
1230
1231         r->handle = zhandle;
1232
1233         hv_undef(href);
1234         sv_free((SV*) href);
1235
1236         PUTBACK;
1237         FREETMPS;
1238         LEAVE;
1239
1240         return r;
1241 }
1242
1243 void bend_close(void *handle)
1244 {
1245         HV *href;
1246         Zfront_handle *zhandle = (Zfront_handle *)handle;
1247         CV* handler_cv = 0;
1248         int stop_flag = 0;
1249         dSP;
1250         ENTER;
1251         SAVETMPS;
1252
1253         if (close_ref)
1254         {
1255                 href = newHV();
1256                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1257
1258                 PUSHMARK(sp);
1259
1260                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1261
1262                 PUTBACK;
1263
1264                 handler_cv = simpleserver_sv2cv( close_ref );
1265                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1266
1267                 SPAGAIN;
1268
1269                 sv_free((SV*) href);
1270         }
1271         else
1272                 sv_free(zhandle->handle);
1273         PUTBACK;
1274         FREETMPS;
1275         LEAVE;
1276         stop_flag = zhandle->stop_flag;
1277         nmem_destroy(zhandle->nmem);
1278         simpleserver_free();
1279
1280         if (stop_flag)
1281                 exit(0);
1282         return;
1283 }
1284
1285
1286 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1287
1288 PROTOTYPES: DISABLE
1289
1290
1291 void
1292 set_init_handler(arg)
1293                 SV *arg
1294         CODE:
1295                 init_ref = newSVsv(arg);
1296
1297
1298 void
1299 set_close_handler(arg)
1300                 SV *arg
1301         CODE:
1302                 close_ref = newSVsv(arg);
1303
1304
1305 void
1306 set_sort_handler(arg)
1307                 SV *arg
1308         CODE:
1309                 sort_ref = newSVsv(arg);
1310
1311 void
1312 set_search_handler(arg)
1313                 SV *arg
1314         CODE:
1315                 search_ref = newSVsv(arg);
1316
1317
1318 void
1319 set_fetch_handler(arg)
1320                 SV *arg
1321         CODE:
1322                 fetch_ref = newSVsv(arg);
1323
1324
1325 void
1326 set_present_handler(arg)
1327                 SV *arg
1328         CODE:
1329                 present_ref = newSVsv(arg);
1330
1331
1332 void
1333 set_esrequest_handler(arg)
1334                 SV *arg
1335         CODE:
1336                 esrequest_ref = newSVsv(arg);
1337
1338
1339 void
1340 set_delete_handler(arg)
1341                 SV *arg
1342         CODE:
1343                 delete_ref = newSVsv(arg);
1344
1345
1346 void
1347 set_scan_handler(arg)
1348                 SV *arg
1349         CODE:
1350                 scan_ref = newSVsv(arg);
1351
1352
1353 int
1354 start_server(...)
1355         PREINIT:
1356                 char **argv;
1357                 char **argv_buf;
1358                 char *ptr;
1359                 int i;
1360                 STRLEN len;
1361         CODE:
1362                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1363                 argv = argv_buf;
1364                 for (i = 0; i < items; i++)
1365                 {
1366                         ptr = SvPV(ST(i), len);
1367                         *argv_buf = (char *)xmalloc(len + 1);
1368                         strcpy(*argv_buf++, ptr);
1369                 }
1370                 *argv_buf = NULL;
1371                 root_perl_context = PERL_GET_CONTEXT;
1372                 nmem_mutex_create(&simpleserver_mutex);
1373 #if 0
1374                 /* only for debugging perl_clone .. */
1375                 tst_clones();
1376 #endif
1377
1378                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1379         OUTPUT:
1380                 RETVAL
1381
1382
1383 int
1384 ScanSuccess()
1385         CODE:
1386                 RETVAL = BEND_SCAN_SUCCESS;
1387         OUTPUT:
1388                 RETVAL
1389
1390 int
1391 ScanPartial()
1392         CODE:
1393                 RETVAL = BEND_SCAN_PARTIAL;
1394         OUTPUT:
1395                 RETVAL
1396
1397
1398 void
1399 yazlog(arg)
1400                 SV *arg
1401         CODE:
1402                 STRLEN len;
1403                 char *ptr;
1404                 ptr = SvPV(arg, len);
1405                 yaz_log(YLOG_LOG, "%.*s", len, ptr);