SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.67 2007-08-10 16:44:00 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 <yaz/querytowrbuf.h>
  39 #include <stdio.h>
  40 #include <yaz/mutex.h>
  41 #include <yaz/oid_db.h>
  42 #ifdef WIN32
  43 #else
  44 #include <unistd.h>
  45 #endif
  46 #include <stdlib.h>
  47 #include <ctype.h>
  48 #define GRS_MAX_FIELDS 500
  49 #ifdef ASN_COMPILED
  50 #include <yaz/ill.h>
  51 #endif
  52 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  53 #define sv_undef PL_sv_undef
  54 #endif
  55
  56 YAZ_MUTEX simpleserver_mutex;
  57
  58 typedef struct {
  59         SV *ghandle;    /* Global handle specified at creation */
  60         SV *handle;     /* Per-connection handle set at Init */
  61 #if 0
  62 /* ### These callback-reference elements are never used! */
  63         SV *init_ref;
  64         SV *close_ref;
  65         SV *sort_ref;
  66         SV *search_ref;
  67         SV *fetch_ref;
  68         SV *present_ref;
  69         SV *esrequest_ref;
  70         SV *delete_ref;
  71         SV *scan_ref;
  72         SV *explain_ref;
  73 #endif /*0*/
  74         NMEM nmem;
  75         int stop_flag;  /* is used to stop server prematurely .. */
  76 } Zfront_handle;
  77
  78 #define ENABLE_STOP_SERVER 0
  79
  80 SV *_global_ghandle = NULL; /* To be copied into zhandle then ignored */
  81 SV *init_ref = NULL;
  82 SV *close_ref = NULL;
  83 SV *sort_ref = NULL;
  84 SV *search_ref = NULL;
  85 SV *fetch_ref = NULL;
  86 SV *present_ref = NULL;
  87 SV *esrequest_ref = NULL;
  88 SV *delete_ref = NULL;
  89 SV *scan_ref = NULL;
  90 SV *explain_ref = NULL;
  91 PerlInterpreter *root_perl_context;
  92
  93 #define GRS_BUF_SIZE 8192
  94
  95
  96 /*
  97  * Inspects the SV indicated by svp, and returns a null pointer if
  98  * it's an undefined value, or a string allocation from `stream'
  99  * otherwise.  Using this when filling in addinfo avoids those
 100  * irritating "Use of uninitialized value in subroutine entry"
 101  * warnings from Perl.
 102  */
 103 char *string_or_undef(SV **svp, ODR stream) {
 104         STRLEN len;
 105         char *ptr, *buf;
 106
 107         if (!SvOK(*svp))
 108                 return 0;
 109
 110         ptr = SvPV(*svp, len);
 111         buf = (char*) odr_malloc(stream, len+1);
 112         strcpy(buf, ptr);
 113         return buf;
 114 }
 115
 116
 117 CV * simpleserver_sv2cv(SV *handler) {
 118     STRLEN len;
 119     char *buf;
 120
 121     if (SvPOK(handler)) {
 122         CV *ret;
 123         buf = SvPV( handler, len);
 124         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
 125             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
 126             exit(1);
 127         }
 128
 129         return ret;
 130     } else {
 131         return (CV *) handler;
 132     }
 133 }
 134
 135 /* debugging routine to check for destruction of Perl interpreters */
 136 #ifdef USE_ITHREADS
 137 void tst_clones(void)
 138 {
 139     int i;
 140     PerlInterpreter *parent = PERL_GET_CONTEXT;
 141     for (i = 0; i<5000; i++)
 142     {
 143         PerlInterpreter *perl_interp;
 144
 145         PERL_SET_CONTEXT(parent);
 146         PL_perl_destruct_level = 2;
 147         perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
 148         PL_perl_destruct_level = 2;
 149         PERL_SET_CONTEXT(perl_interp);
 150         perl_destruct(perl_interp);
 151         perl_free(perl_interp);
 152     }
 153     exit (0);
 154 }
 155 #endif
 156
 157 int simpleserver_clone(void) {
 158 #ifdef USE_ITHREADS
 159      yaz_mutex_enter(simpleserver_mutex);
 160      if (1)
 161      {
 162          PerlInterpreter *current = PERL_GET_CONTEXT;
 163
 164          /* if current is unset, then we're in a new thread with
 165           * no Perl interpreter for it. So we must create one .
 166           * This will only happen when threaded is used..
 167           */
 168          if (!current) {
 169              PerlInterpreter *perl_interp;
 170              PERL_SET_CONTEXT( root_perl_context );
 171              perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
 172              PERL_SET_CONTEXT( perl_interp );
 173          }
 174      }
 175      yaz_mutex_leave(simpleserver_mutex);
 176 #endif
 177      return 0;
 178 }
 179
 180
 181 void simpleserver_free(void) {
 182     yaz_mutex_enter(simpleserver_mutex);
 183     if (1)
 184     {
 185         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 186
 187         /* If current Perl Interp is different from root interp, then
 188          * we're in threaded mode and we must destroy..
 189          */
 190         if (current_interp != root_perl_context) {
 191             PL_perl_destruct_level = 2;
 192             PERL_SET_CONTEXT(current_interp);
 193             perl_destruct(current_interp);
 194             perl_free(current_interp);
 195         }
 196     }
 197     yaz_mutex_leave(simpleserver_mutex);
 198 }
 199
 200
 201 Z_GenericRecord *read_grs1(char *str, ODR o)
 202 {
 203         int type, ivalue;
 204         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 205         char value[GRS_BUF_SIZE+1];
 206         Z_GenericRecord *r = 0;
 207
 208         original = str;
 209         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 210         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 211         r->num_elements = 0;
 212
 213         for (;;)
 214         {
 215                 Z_TaggedElement *t;
 216                 Z_ElementData *c;
 217                 int len;
 218
 219                 ptr = strchr(str, '\n');
 220                 if (!ptr) {
 221                         return r;
 222                 }
 223                 len = ptr - str;
 224                 if (len > GRS_BUF_SIZE) {
 225                     yaz_log(YLOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 226                     len = GRS_BUF_SIZE;
 227                 }
 228                 strncpy(line, str, len);
 229                 line[len] = 0;
 230                 buf = line;
 231                 str = ptr + 1;
 232                 while (*buf && isspace(*buf))
 233                         buf++;
 234                 if (*buf == '}') {
 235                         memmove(original, str, strlen(str));
 236                         return r;
 237                 }
 238                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 239                 {
 240                         yaz_log(YLOG_WARN, "Bad data in '%s'", buf);
 241                         return r;
 242                 }
 243                 if (!type && *value == '0')
 244                         return r;
 245                 if (!(buf = strchr(buf, ')')))
 246                         return r;
 247                 buf++;
 248                 while (*buf && isspace(*buf))
 249                         buf++;
 250                 if (r->num_elements >= GRS_MAX_FIELDS)
 251                 {
 252                         yaz_log(YLOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 253                         exit(0);
 254                 }
 255                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 256                 t->tagType = odr_intdup(o, type);
 257                 t->tagValue = (Z_StringOrNumeric *)
 258                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 259                 if ((ivalue = atoi(value)))
 260                 {
 261                         t->tagValue->which = Z_StringOrNumeric_numeric;
 262                         t->tagValue->u.numeric = odr_intdup(o, ivalue);
 263                 }
 264                 else
 265                 {
 266                         t->tagValue->which = Z_StringOrNumeric_string;
 267                         t->tagValue->u.string = odr_strdup(o, value);
 268                 }
 269                 t->tagOccurrence = 0;
 270                 t->metaData = 0;
 271                 t->appliedVariant = 0;
 272                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 273                 if (*buf == '{')
 274                 {
 275                         c->which = Z_ElementData_subtree;
 276                         c->u.subtree = read_grs1(str, o);
 277                 }
 278                 else
 279                 {
 280                         c->which = Z_ElementData_string;
 281                         c->u.string = odr_strdup(o, buf);
 282                 }
 283                 r->num_elements++;
 284         }
 285 }
 286
 287
 288
 289 static void oid2str(Odr_oid *o, WRBUF buf)
 290 {
 291     for (; *o >= 0; o++) {
 292         char ibuf[16];
 293         sprintf(ibuf, "%d", *o);
 294         wrbuf_puts(buf, ibuf);
 295         if (o[1] > 0)
 296             wrbuf_putc(buf, '.');
 297     }
 298 }
 299
 300 WRBUF oid2dotted(Odr_oid *oid)
 301 {
 302     WRBUF buf = wrbuf_alloc();
 303     oid2str(oid, buf);
 304     return buf;
 305 }
 306
 307
 308 WRBUF zquery2pquery(Z_Query *q)
 309 {
 310     WRBUF buf = wrbuf_alloc();
 311
 312     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 313         return 0;
 314     yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
 315     return buf;
 316 }
 317
 318
 319 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 320 #include <stdarg.h>
 321 void fatal(char *fmt, ...)
 322 {
 323     va_list ap;
 324
 325     fprintf(stderr, "FATAL (SimpleServer): ");
 326     va_start(ap, fmt);
 327     vfprintf(stderr, fmt, ap);
 328     va_end(ap);
 329     fprintf(stderr, "\n");
 330     abort();
 331 }
 332
 333
 334 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 335 /*
 336  * Creates a new Perl object of type `class'; the newly-created scalar
 337  * that is a reference to the blessed thingy `referent' is returned.
 338  */
 339 static SV *newObject(char *class, SV *referent)
 340 {
 341     HV *stash;
 342     SV *sv;
 343
 344     sv = newRV_noinc((SV*) referent);
 345     stash = gv_stashpv(class, 0);
 346     if (stash == 0)
 347         fatal("attempt to create object of undefined class '%s'", class);
 348     /*assert(stash != 0);*/
 349     sv_bless(sv, stash);
 350     return sv;
 351 }
 352
 353
 354 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 355 static void setMember(HV *hv, char *name, SV *val)
 356 {
 357     /* We don't increment `val's reference count -- I think this is
 358      * right because it's created with a refcount of 1, and in fact
 359      * the reference via this hash is the only reference to it in
 360      * general.
 361      */
 362     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 363         fatal("couldn't store member in hash");
 364 }
 365
 366
 367 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 368 static SV *translateOID(Odr_oid *x)
 369 {
 370     /* Yaz represents an OID by an int array terminated by a negative
 371      * value, typically -1; we represent it as a reference to a
 372      * blessed scalar string of "."-separated elements.
 373      */
 374     char buf[1000];
 375     int i;
 376
 377     *buf = '\0';
 378     for (i = 0; x[i] >= 0; i++) {
 379         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 380         if (x[i+1] >- 0)
 381             strcat(buf, ".");
 382     }
 383
 384     /*
 385      * ### We'd like to return a blessed scalar (string) here, but of
 386      *  course you can't do that in Perl: only references can be
 387      *  blessed, so we'd have to return a _reference_ to a string, and
 388      *  bless _that_.  Better to do without the blessing, I think.
 389      */
 390     if (1) {
 391         return newSVpv(buf, 0);
 392     } else {
 393         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 394     }
 395 }
 396
 397
 398 static SV *rpn2perl(Z_RPNStructure *s)
 399 {
 400     SV *sv;
 401     HV *hv;
 402     AV *av;
 403
 404     switch (s->which) {
 405     case Z_RPNStructure_simple: {
 406         Z_Operand *o = s->u.simple;
 407         Z_AttributesPlusTerm *at;
 408         if (o->which == Z_Operand_resultSetId) {
 409             SV *sv2;
 410             /* This code causes a SIGBUS on my machine, and I have no
 411                idea why.  It seems as clear as day to me */
 412             char *rsid = (char*) o->u.resultSetId;
 413             printf("Encoding resultSetId '%s'\n", rsid);
 414             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 415             printf("Made sv=0x%lx, hv=0x%lx\n",
 416                    (unsigned long) sv ,(unsigned long) hv);
 417             sv2 = newSVpv(rsid, strlen(rsid));
 418             setMember(hv, "id", sv2);
 419             printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
 420             return sv;
 421         }
 422         if (o->which != Z_Operand_APT)
 423             fatal("can't handle RPN simples other than APT and RSID");
 424         at = o->u.attributesPlusTerm;
 425         if (at->term->which != Z_Term_general)
 426             fatal("can't handle RPN terms other than general");
 427
 428         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 429         if (at->attributes) {
 430             int i;
 431             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 432                                   (SV*) (av = newAV()));
 433             for (i = 0; i < at->attributes->num_attributes; i++) {
 434                 Z_AttributeElement *elem = at->attributes->attributes[i];
 435                 HV *hv2;
 436                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 437                                     (SV*) (hv2 = newHV()));
 438                 if (elem->attributeSet)
 439                     setMember(hv2, "attributeSet",
 440                               translateOID(elem->attributeSet));
 441                 setMember(hv2, "attributeType",
 442                           newSViv(*elem->attributeType));
 443                 assert(elem->which == Z_AttributeValue_numeric);
 444                 setMember(hv2, "attributeValue",
 445                           newSViv(*elem->value.numeric));
 446                 av_push(av, tmp);
 447             }
 448             setMember(hv, "attributes", attrs);
 449         }
 450         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 451                                       at->term->u.general->len));
 452         return sv;
 453     }
 454     case Z_RPNStructure_complex: {
 455         SV *tmp;
 456         Z_Complex *c = s->u.complex;
 457         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 458         switch (c->roperator->which) {
 459         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 460         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 461         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 462         case Z_Operator_prox:    fatal("proximity not yet supported");
 463         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 464         }
 465         sv = newObject(type, (SV*) (av = newAV()));
 466         if ((tmp = rpn2perl(c->s1)) == 0)
 467             return 0;
 468         av_push(av, tmp);
 469         if ((tmp = rpn2perl(c->s2)) == 0)
 470             return 0;
 471         av_push(av, tmp);
 472         return sv;
 473     }
 474     default: fatal("unknown RPN node type %d", (int) s->which);
 475     }
 476
 477     return 0;
 478 }
 479
 480
 481 /* Decode the Z_SortAttributes struct and store the whole thing into the
 482  * hash by reference
 483  */
 484 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
 485 {
 486     WRBUF attrset_wr = wrbuf_alloc();
 487     AV *list = newAV();
 488     Z_AttributeList *attr_list = sattr->list;
 489     int i;
 490
 491     oid2str(sattr->id, attrset_wr);
 492     hv_store(sort_spec, "ATTRSET", 7,
 493              newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
 494     wrbuf_destroy(attrset_wr);
 495
 496     hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
 497
 498     for (i = 0; i < attr_list->num_attributes; i++)
 499     {
 500         Z_AttributeElement *attr = *attr_list->attributes++;
 501         HV *attr_spec = newHV();
 502
 503         av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
 504         hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
 505
 506         if (attr->which == Z_AttributeValue_numeric)
 507         {
 508             hv_store(attr_spec, "ATTR_VALUE", 10,
 509                      newSViv(*attr->value.numeric), 0);
 510         } else {
 511             return 0;
 512         }
 513     }
 514
 515     return 1;
 516 }
 517
 518
 519 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
 520 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
 521 {
 522     Z_SortElement *element = spec->sortElement;
 523
 524     hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
 525     hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
 526     hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
 527
 528     if (element->which == Z_SortElement_generic)
 529     {
 530         Z_SortKey *key = element->u.generic;
 531
 532         if (key->which == Z_SortKey_sortField)
 533         {
 534             hv_store(sort_spec, "SORTFIELD", 9,
 535                      newSVpv((char *) key->u.sortField, 0), 0);
 536         }
 537         else if (key->which == Z_SortKey_elementSpec)
 538         {
 539             Z_Specification *zspec = key->u.elementSpec;
 540
 541             hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
 542                      newSViv(zspec->which), 0);
 543
 544             if (zspec->which == Z_Schema_oid)
 545             {
 546                 WRBUF elementSpec = wrbuf_alloc();
 547
 548                 oid2str(zspec->schema.oid, elementSpec);
 549                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 550                          newSVpv(elementSpec->buf, elementSpec->pos), 0);
 551                 wrbuf_destroy(elementSpec);
 552             }
 553             else if (zspec->which == Z_Schema_uri)
 554             {
 555                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 556                          newSVpv((char *) zspec->schema.uri, 0), 0);
 557             }
 558         }
 559         else if (key->which == Z_SortKey_sortAttributes)
 560         {
 561             return simpleserver_ExpandSortAttributes(sort_spec,
 562                                                      key->u.sortAttributes);
 563         }
 564         else
 565         {
 566             return 0;
 567         }
 568     }
 569     else
 570     {
 571         return 0;
 572     }
 573
 574     return 1;
 575 }
 576
 577
 578 static SV *zquery2perl(Z_Query *q)
 579 {
 580     SV *sv;
 581     HV *hv;
 582
 583     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 584         return 0;
 585     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 586     if (q->u.type_1->attributeSetId)
 587         setMember(hv, "attributeSet",
 588                   translateOID(q->u.type_1->attributeSetId));
 589     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 590     return sv;
 591 }
 592
 593
 594 int bend_sort(void *handle, bend_sort_rr *rr)
 595 {
 596         HV *href;
 597         AV *aref;
 598         AV *sort_seq;
 599         SV **temp;
 600         SV *err_code;
 601         SV *err_str;
 602         SV *status;
 603         SV *point;
 604         STRLEN len;
 605         char *ptr;
 606         char *ODR_err_str;
 607         char **input_setnames;
 608         Zfront_handle *zhandle = (Zfront_handle *)handle;
 609         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 610         int i;
 611
 612         dSP;
 613         ENTER;
 614         SAVETMPS;
 615
 616         aref = newAV();
 617         input_setnames = rr->input_setnames;
 618         for (i = 0; i < rr->num_input_setnames; i++)
 619         {
 620             av_push(aref, newSVpv(*input_setnames++, 0));
 621         }
 622
 623         sort_seq = newAV();
 624         for (i = 0; i < sort_spec->num_specs; i++)
 625         {
 626             Z_SortKeySpec *spec = *sort_spec->specs++;
 627             HV *sort_spec = newHV();
 628
 629             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 630                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 631             else
 632             {
 633                 rr->errcode = 207;
 634                 return 0;
 635             }
 636         }
 637
 638         href = newHV();
 639         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 640         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 641         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 642         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 643         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 644         hv_store(href, "STATUS", 6, newSViv(0), 0);
 645         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 646         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 647
 648         PUSHMARK(sp);
 649
 650         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 651
 652         PUTBACK;
 653
 654         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 655
 656         SPAGAIN;
 657
 658         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 659         err_code = newSVsv(*temp);
 660
 661         temp = hv_fetch(href, "ERR_STR", 7, 1);
 662         err_str = newSVsv(*temp);
 663
 664         temp = hv_fetch(href, "STATUS", 6, 1);
 665         status = newSVsv(*temp);
 666
 667         temp = hv_fetch(href, "HANDLE", 6, 1);
 668         point = newSVsv(*temp);
 669
 670         hv_undef(href);
 671         av_undef(aref);
 672         av_undef(sort_seq);
 673
 674         sv_free( (SV*) aref);
 675         sv_free( (SV*) href);
 676         sv_free( (SV*) sort_seq);
 677
 678         rr->errcode = SvIV(err_code);
 679         rr->sort_status = SvIV(status);
 680
 681         ptr = SvPV(err_str, len);
 682         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 683         strcpy(ODR_err_str, ptr);
 684         rr->errstring = ODR_err_str;
 685         zhandle->handle = point;
 686
 687         sv_free(err_code);
 688         sv_free(err_str);
 689         sv_free(status);
 690
 691         PUTBACK;
 692         FREETMPS;
 693         LEAVE;
 694
 695         return 0;
 696 }
 697
 698
 699 int bend_search(void *handle, bend_search_rr *rr)
 700 {
 701         HV *href;
 702         AV *aref;
 703         SV **temp;
 704         int i;
 705         char **basenames;
 706         WRBUF query;
 707         SV *point;
 708         Zfront_handle *zhandle = (Zfront_handle *)handle;
 709         CV* handler_cv = 0;
 710         SV *rpnSV;
 711
 712         dSP;
 713         ENTER;
 714         SAVETMPS;
 715
 716         aref = newAV();
 717         basenames = rr->basenames;
 718         for (i = 0; i < rr->num_bases; i++)
 719         {
 720                 av_push(aref, newSVpv(*basenames++, 0));
 721         }
 722 #if ENABLE_STOP_SERVER
 723         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 724         {
 725                 zhandle->stop_flag = 1;
 726         }
 727 #endif
 728         href = newHV();
 729         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 730         if (rr->srw_sortKeys && *rr->srw_sortKeys)
 731             hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
 732         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 733         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 734         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 735         hv_store(href, "HITS", 4, newSViv(0), 0);
 736         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 737         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 738         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 739         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 740         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 741             hv_store(href, "RPN", 3, rpnSV, 0);
 742         }
 743         query = zquery2pquery(rr->query);
 744         if (query)
 745         {
 746                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 747         }
 748         else if (rr->query->which == Z_Query_type_104 &&
 749                  rr->query->u.type_104->which == Z_External_CQL) {
 750             hv_store(href, "CQL", 3,
 751                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 752         }
 753         else
 754         {
 755                 rr->errcode = 108;
 756                 return 0;
 757         }
 758         PUSHMARK(sp);
 759
 760         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 761
 762         PUTBACK;
 763
 764         handler_cv = simpleserver_sv2cv( search_ref );
 765         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 766
 767         SPAGAIN;
 768
 769         temp = hv_fetch(href, "HITS", 4, 1);
 770         rr->hits = SvIV(*temp);
 771
 772         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 773         rr->errcode = SvIV(*temp);
 774
 775         temp = hv_fetch(href, "ERR_STR", 7, 1);
 776         rr->errstring = string_or_undef(temp, rr->stream);
 777
 778         temp = hv_fetch(href, "HANDLE", 6, 1);
 779         point = newSVsv(*temp);
 780
 781         hv_undef(href);
 782         av_undef(aref);
 783
 784         zhandle->handle = point;
 785         sv_free( (SV*) aref);
 786         sv_free( (SV*) href);
 787         if (query)
 788             wrbuf_destroy(query);
 789         PUTBACK;
 790         FREETMPS;
 791         LEAVE;
 792         return 0;
 793 }
 794
 795
 796 int bend_fetch(void *handle, bend_fetch_rr *rr)
 797 {
 798         HV *href;
 799         SV **temp;
 800         SV *basename;
 801         SV *record;
 802         SV *last;
 803         SV *err_code;
 804         SV *err_string;
 805         SV *sur_flag;
 806         SV *point;
 807         SV *rep_form;
 808         SV *schema = 0;
 809         char *ptr;
 810         char *ODR_record;
 811         char *ODR_basename;
 812         char *ODR_errstr;
 813         WRBUF oid_dotted;
 814         Zfront_handle *zhandle = (Zfront_handle *)handle;
 815         CV* handler_cv = 0;
 816
 817         Z_RecordComposition *composition;
 818         Z_ElementSetNames *simple;
 819         Z_CompSpec *complex;
 820         STRLEN length;
 821
 822         dSP;
 823         ENTER;
 824         SAVETMPS;
 825
 826         rr->errcode = 0;
 827         href = newHV();
 828         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 829         if (rr->schema)
 830                 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
 831         else
 832                 hv_store(href, "SCHEMA", 6, newSVpv("", 0), 0);
 833
 834         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 835         if (rr->request_format != 0) {
 836             oid_dotted = oid2dotted(rr->request_format);
 837         } else {
 838             /* Probably an SRU request: assume XML is required */
 839             oid_dotted = wrbuf_alloc();
 840             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 841         }
 842         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 843         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 844         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 845         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 846         hv_store(href, "LAST", 4, newSViv(0), 0);
 847         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 848         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 849         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 850         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 851         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 852         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 853         if (rr->comp)
 854         {
 855                 composition = rr->comp;
 856                 if (composition->which == Z_RecordComp_simple)
 857                 {
 858                         simple = composition->u.simple;
 859                         if (simple->which == Z_ElementSetNames_generic)
 860                         {
 861                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 862                         }
 863                         else
 864                         {
 865                                 rr->errcode = 26;
 866                         }
 867                 }
 868                 else if (composition->which == Z_RecordComp_complex)
 869                 {
 870                         if (composition->u.complex->generic &&
 871
 872                                         composition->u.complex->generic &&
 873                                         composition->u.complex->generic->elementSpec &&
 874                                         composition->u.complex->generic->elementSpec->which ==
 875                                         Z_ElementSpec_elementSetName)
 876                         {
 877                                 complex = composition->u.complex;
 878                                 hv_store(href, "COMP", 4,
 879                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
 880                         }
 881                         else
 882                         {
 883 #if 0   /* For now ignore this error, which is ubiquitous in SRU */
 884                                 fprintf(stderr, "complex is weird\n");
 885                                 rr->errcode = 26;
 886                                 return 0;
 887 #endif /*0*/
 888                         }
 889                 }
 890                 else
 891                 {
 892                         rr->errcode = 26;
 893                         return 0;
 894                 }
 895         }
 896
 897         PUSHMARK(sp);
 898
 899         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 900
 901         PUTBACK;
 902
 903         handler_cv = simpleserver_sv2cv( fetch_ref );
 904         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 905
 906         SPAGAIN;
 907
 908         temp = hv_fetch(href, "BASENAME", 8, 1);
 909         basename = newSVsv(*temp);
 910
 911         temp = hv_fetch(href, "RECORD", 6, 1);
 912         record = newSVsv(*temp);
 913
 914         temp = hv_fetch(href, "LAST", 4, 1);
 915         last = newSVsv(*temp);
 916
 917         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 918         err_code = newSVsv(*temp);
 919
 920         temp = hv_fetch(href, "ERR_STR", 7, 1),
 921         err_string = newSVsv(*temp);
 922
 923         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 924         sur_flag = newSVsv(*temp);
 925
 926         temp = hv_fetch(href, "REP_FORM", 8, 1);
 927         rep_form = newSVsv(*temp);
 928
 929         temp = hv_fetch(href, "SCHEMA", 6, 1);
 930         if (temp != 0) {
 931                 schema = newSVsv(*temp);
 932                 ptr = SvPV(schema, length);
 933                 if (length > 0) {
 934                         rr->schema = (char *)odr_malloc(rr->stream, length + 1);
 935                         strcpy(rr->schema, ptr);
 936                 }
 937         }
 938
 939         temp = hv_fetch(href, "HANDLE", 6, 1);
 940         point = newSVsv(*temp);
 941
 942
 943         hv_undef(href);
 944
 945         ptr = SvPV(basename, length);
 946         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 947         strcpy(ODR_basename, ptr);
 948         rr->basename = ODR_basename;
 949
 950         ptr = SvPV(rep_form, length);
 951
 952         rr->output_format = yaz_string_to_oid_odr(yaz_oid_std(),
 953                                         CLASS_RECSYN, ptr, rr->stream);
 954         if (!rr->output_format)
 955         {
 956                 printf("Net::Z3950::SimpleServer: WARNING: Bad OID %s\n", ptr);
 957                 rr->output_format =
 958                         odr_oiddup(rr->stream, yaz_oid_recsyn_sutrs);
 959         }
 960         ptr = SvPV(record, length);
 961         /* Treat GRS-1 records separately */
 962         if (!oid_oidcmp(rr->output_format, yaz_oid_recsyn_grs_1))
 963         {
 964                 rr->record = (char *) read_grs1(ptr, rr->stream);
 965                 rr->len = -1;
 966         }
 967         else
 968         {
 969                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 970                 strcpy(ODR_record, ptr);
 971                 rr->record = ODR_record;
 972                 rr->len = length;
 973         }
 974         zhandle->handle = point;
 975         handle = zhandle;
 976         rr->last_in_set = SvIV(last);
 977
 978         if (!(rr->errcode))
 979         {
 980                 rr->errcode = SvIV(err_code);
 981                 ptr = SvPV(err_string, length);
 982                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 983                 strcpy(ODR_errstr, ptr);
 984                 rr->errstring = ODR_errstr;
 985         }
 986         rr->surrogate_flag = SvIV(sur_flag);
 987
 988         wrbuf_destroy(oid_dotted);
 989         sv_free((SV*) href);
 990         sv_free(basename);
 991         sv_free(record);
 992         sv_free(last);
 993         sv_free(err_string);
 994         sv_free(err_code),
 995         sv_free(sur_flag);
 996         sv_free(rep_form);
 997
 998         if (schema)
 999                 sv_free(schema);
1000
1001         PUTBACK;
1002         FREETMPS;
1003         LEAVE;
1004
1005         return 0;
1006 }
1007
1008
1009 int bend_present(void *handle, bend_present_rr *rr)
1010 {
1011         HV *href;
1012         SV **temp;
1013         SV *err_code;
1014         SV *err_string;
1015         SV *hits;
1016         SV *point;
1017         STRLEN len;
1018         Z_RecordComposition *composition;
1019         Z_ElementSetNames *simple;
1020         Z_CompSpec *complex;
1021         char *ODR_errstr;
1022         char *ptr;
1023         Zfront_handle *zhandle = (Zfront_handle *)handle;
1024         CV* handler_cv = 0;
1025
1026 /*      WRBUF oid_dotted; */
1027
1028         dSP;
1029         ENTER;
1030         SAVETMPS;
1031
1032         href = newHV();
1033         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1034         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1035         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1036         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1037         hv_store(href, "START", 5, newSViv(rr->start), 0);
1038         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1039         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1040         /*oid_dotted = oid2dotted(rr->request_format_raw);
1041         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1042         hv_store(href, "HITS", 4, newSViv(0), 0);
1043         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1044         if (rr->comp)
1045         {
1046                 composition = rr->comp;
1047                 if (composition->which == Z_RecordComp_simple)
1048                 {
1049                         simple = composition->u.simple;
1050                         if (simple->which == Z_ElementSetNames_generic)
1051                         {
1052                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1053                         }
1054                         else
1055                         {
1056                                 rr->errcode = 26;
1057                                 return 0;
1058                         }
1059                 }
1060                 else if (composition->which == Z_RecordComp_complex)
1061                 {
1062                         if (composition->u.complex->generic &&
1063
1064                                         composition->u.complex->generic &&
1065                                         composition->u.complex->generic->elementSpec &&
1066                                         composition->u.complex->generic->elementSpec->which ==
1067                                         Z_ElementSpec_elementSetName)
1068                         {
1069                                 complex = composition->u.complex;
1070                                 hv_store(href, "COMP", 4,
1071                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1072                         }
1073                         else
1074                         {
1075                                 rr->errcode = 26;
1076                                 return 0;
1077                         }
1078                 }
1079                 else
1080                 {
1081                         rr->errcode = 26;
1082                         return 0;
1083                 }
1084         }
1085
1086         PUSHMARK(sp);
1087
1088         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1089
1090         PUTBACK;
1091
1092         handler_cv = simpleserver_sv2cv( present_ref );
1093         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1094
1095         SPAGAIN;
1096
1097         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1098         err_code = newSVsv(*temp);
1099
1100         temp = hv_fetch(href, "ERR_STR", 7, 1);
1101         err_string = newSVsv(*temp);
1102
1103         temp = hv_fetch(href, "HITS", 4, 1);
1104         hits = newSVsv(*temp);
1105
1106         temp = hv_fetch(href, "HANDLE", 6, 1);
1107         point = newSVsv(*temp);
1108
1109         PUTBACK;
1110         FREETMPS;
1111         LEAVE;
1112
1113         hv_undef(href);
1114         rr->errcode = SvIV(err_code);
1115         rr->hits = SvIV(hits);
1116
1117         ptr = SvPV(err_string, len);
1118         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1119         strcpy(ODR_errstr, ptr);
1120         rr->errstring = ODR_errstr;
1121 /*      wrbuf_free(oid_dotted, 1);*/
1122         zhandle->handle = point;
1123         handle = zhandle;
1124         sv_free(err_code);
1125         sv_free(err_string);
1126         sv_free(hits);
1127         sv_free( (SV*) href);
1128
1129         return 0;
1130 }
1131
1132
1133 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1134 {
1135         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1136         return 0;
1137 }
1138
1139
1140 int bend_delete(void *handle, bend_delete_rr *rr)
1141 {
1142         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1143         return 0;
1144 }
1145
1146
1147 int bend_scan(void *handle, bend_scan_rr *rr)
1148 {
1149         HV *href;
1150         AV *aref;
1151         AV *list;
1152         AV *entries;
1153         HV *scan_item;
1154         struct scan_entry *scan_list;
1155         struct scan_entry *buffer;
1156         int *step_size = rr->step_size;
1157         int i;
1158         char **basenames;
1159         SV **temp;
1160         SV *err_code = sv_newmortal();
1161         SV *err_str = sv_newmortal();
1162         SV *point = sv_newmortal();
1163         SV *status = sv_newmortal();
1164         SV *number = sv_newmortal();
1165         char *ptr;
1166         char *ODR_errstr;
1167         STRLEN len;
1168         int term_len;
1169         SV *entries_ref;
1170         Zfront_handle *zhandle = (Zfront_handle *)handle;
1171         CV* handler_cv = 0;
1172
1173         dSP;
1174         ENTER;
1175         SAVETMPS;
1176         href = newHV();
1177         list = newAV();
1178         if (rr->term->term->which == Z_Term_general)
1179         {
1180                 term_len = rr->term->term->u.general->len;
1181                 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1182         } else {
1183                 rr->errcode = 229;      /* Unsupported term type */
1184                 return 0;
1185         }
1186         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1187         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1188         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1189         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1190         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1191         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1192         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1193         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1194         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1195         aref = newAV();
1196         basenames = rr->basenames;
1197         for (i = 0; i < rr->num_bases; i++)
1198         {
1199                 av_push(aref, newSVpv(*basenames++, 0));
1200         }
1201         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1202
1203         PUSHMARK(sp);
1204
1205         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1206
1207         PUTBACK;
1208
1209         handler_cv = simpleserver_sv2cv( scan_ref );
1210         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1211
1212         SPAGAIN;
1213
1214         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1215         err_code = newSVsv(*temp);
1216
1217         temp = hv_fetch(href, "ERR_STR", 7, 1);
1218         err_str = newSVsv(*temp);
1219
1220         temp = hv_fetch(href, "HANDLE", 6, 1);
1221         point = newSVsv(*temp);
1222
1223         temp = hv_fetch(href, "STATUS", 6, 1);
1224         status = newSVsv(*temp);
1225
1226         temp = hv_fetch(href, "NUMBER", 6, 1);
1227         number = newSVsv(*temp);
1228
1229         temp = hv_fetch(href, "ENTRIES", 7, 1);
1230         entries_ref = newSVsv(*temp);
1231
1232         PUTBACK;
1233         FREETMPS;
1234         LEAVE;
1235
1236         ptr = SvPV(err_str, len);
1237         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1238         strcpy(ODR_errstr, ptr);
1239         rr->errstring = ODR_errstr;
1240         rr->errcode = SvIV(err_code);
1241         rr->num_entries = SvIV(number);
1242         rr->status = SvIV(status);
1243         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1244         buffer = scan_list;
1245         entries = (AV *)SvRV(entries_ref);
1246         for (i = 0; i < rr->num_entries; i++)
1247         {
1248                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1249                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1250                 ptr = SvPV(*temp, len);
1251                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1252                 strcpy(buffer->term, ptr);
1253                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1254                 buffer->occurrences = SvIV(*temp);
1255                 buffer++;
1256                 hv_undef(scan_item);
1257         }
1258         rr->entries = scan_list;
1259         zhandle->handle = point;
1260         handle = zhandle;
1261         sv_free(err_code);
1262         sv_free(err_str);
1263         sv_free(status);
1264         sv_free(number);
1265         hv_undef(href);
1266         sv_free((SV *)href);
1267         av_undef(aref);
1268         sv_free((SV *)aref);
1269         av_undef(list);
1270         sv_free((SV *)list);
1271         av_undef(entries);
1272         /*sv_free((SV *)entries);*/
1273         sv_free(entries_ref);
1274
1275         return 0;
1276 }
1277
1278 int bend_explain(void *handle, bend_explain_rr *q)
1279 {
1280         HV *href;
1281         CV *handler_cv = 0;
1282         SV **temp;
1283         char *explain;
1284         SV *explainsv;
1285         STRLEN len;
1286         Zfront_handle *zhandle = (Zfront_handle *)handle;
1287
1288         dSP;
1289         ENTER;
1290         SAVETMPS;
1291
1292         href = newHV();
1293         hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1294         hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1295         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1296         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1297
1298         PUSHMARK(sp);
1299         XPUSHs(sv_2mortal(newRV((SV*) href)));
1300         PUTBACK;
1301
1302         handler_cv = simpleserver_sv2cv(explain_ref);
1303         perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1304
1305         SPAGAIN;
1306
1307         temp = hv_fetch(href, "EXPLAIN", 7, 1);
1308         explainsv = newSVsv(*temp);
1309
1310         PUTBACK;
1311         FREETMPS;
1312         LEAVE;
1313
1314         explain = SvPV(explainsv, len);
1315         q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1316         strcpy(q->explain_buf, explain);
1317
1318         return 0;
1319 }
1320
1321 bend_initresult *bend_init(bend_initrequest *q)
1322 {
1323         int dummy = simpleserver_clone();
1324         bend_initresult *r = (bend_initresult *)
1325                 odr_malloc (q->stream, sizeof(*r));
1326         char *ptr;
1327         CV* handler_cv = 0;
1328         dSP;
1329         STRLEN len;
1330         NMEM nmem = nmem_create();
1331         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1332                         sizeof(*zhandle));
1333         SV *handle;
1334         HV *href;
1335         SV **temp;
1336
1337         ENTER;
1338         SAVETMPS;
1339
1340         zhandle->ghandle = _global_ghandle;
1341         zhandle->nmem = nmem;
1342         zhandle->stop_flag = 0;
1343
1344         if (sort_ref)
1345         {
1346             q->bend_sort = bend_sort;
1347         }
1348         if (search_ref)
1349         {
1350                 q->bend_search = bend_search;
1351         }
1352         if (present_ref)
1353         {
1354                 q->bend_present = bend_present;
1355         }
1356         /*q->bend_esrequest = bend_esrequest;*/
1357         /*q->bend_delete = bend_delete;*/
1358         if (fetch_ref)
1359         {
1360                 q->bend_fetch = bend_fetch;
1361         }
1362         if (scan_ref)
1363         {
1364                 q->bend_scan = bend_scan;
1365         }
1366         if (explain_ref)
1367         {
1368                 q->bend_explain = bend_explain;
1369         }
1370
1371         href = newHV();
1372         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1373         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1374         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1375         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1376         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1377         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1378         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1379         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1380         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1381         if (q->auth) {
1382             char *user = NULL;
1383             char *passwd = NULL;
1384             if (q->auth->which == Z_IdAuthentication_open) {
1385                 char *cp;
1386                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1387                 cp = strchr (user, '/');
1388                 if (cp) {
1389                     /* password after / given */
1390                     *cp = '\0';
1391                     passwd = cp+1;
1392                 }
1393             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1394                 user = q->auth->u.idPass->userId;
1395                 passwd = q->auth->u.idPass->password;
1396             }
1397             /* ### some code paths have user/password unassigned here */
1398             if (user)
1399                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1400             if (passwd)
1401                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1402         }
1403
1404         PUSHMARK(sp);
1405
1406         XPUSHs(sv_2mortal(newRV((SV*) href)));
1407
1408         PUTBACK;
1409
1410         if (init_ref != NULL)
1411         {
1412              handler_cv = simpleserver_sv2cv( init_ref );
1413              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1414         }
1415
1416         SPAGAIN;
1417
1418         temp = hv_fetch(href, "IMP_ID", 6, 1);
1419         ptr = SvPV(*temp, len);
1420         q->implementation_id = nmem_strdup(nmem, ptr);
1421
1422         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1423         ptr = SvPV(*temp, len);
1424         q->implementation_name = nmem_strdup(nmem, ptr);
1425
1426         temp = hv_fetch(href, "IMP_VER", 7, 1);
1427         ptr = SvPV(*temp, len);
1428         q->implementation_version = nmem_strdup(nmem, ptr);
1429
1430         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1431         r->errcode = SvIV(*temp);
1432
1433         temp = hv_fetch(href, "ERR_STR", 7, 1);
1434         ptr = SvPV(*temp, len);
1435         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1436         strcpy(r->errstring, ptr);
1437
1438         temp = hv_fetch(href, "HANDLE", 6, 1);
1439         handle= newSVsv(*temp);
1440         zhandle->handle = handle;
1441
1442         r->handle = zhandle;
1443
1444         hv_undef(href);
1445         sv_free((SV*) href);
1446
1447         PUTBACK;
1448         FREETMPS;
1449         LEAVE;
1450
1451         return r;
1452 }
1453
1454 void bend_close(void *handle)
1455 {
1456         HV *href;
1457         Zfront_handle *zhandle = (Zfront_handle *)handle;
1458         CV* handler_cv = 0;
1459         int stop_flag = 0;
1460         dSP;
1461         ENTER;
1462         SAVETMPS;
1463
1464         if (close_ref)
1465         {
1466                 href = newHV();
1467                 hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1468                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1469
1470                 PUSHMARK(sp);
1471
1472                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1473
1474                 PUTBACK;
1475
1476                 handler_cv = simpleserver_sv2cv( close_ref );
1477                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1478
1479                 SPAGAIN;
1480
1481                 sv_free((SV*) href);
1482         }
1483         else
1484                 sv_free(zhandle->handle);
1485         PUTBACK;
1486         FREETMPS;
1487         LEAVE;
1488         stop_flag = zhandle->stop_flag;
1489         nmem_destroy(zhandle->nmem);
1490         simpleserver_free();
1491
1492         if (stop_flag)
1493                 exit(0);
1494         return;
1495 }
1496
1497
1498 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1499
1500 PROTOTYPES: DISABLE
1501
1502
1503 void
1504 set_ghandle(arg)
1505                 SV *arg
1506         CODE:
1507                 _global_ghandle = newSVsv(arg);
1508
1509
1510 void
1511 set_init_handler(arg)
1512                 SV *arg
1513         CODE:
1514                 init_ref = newSVsv(arg);
1515
1516
1517 void
1518 set_close_handler(arg)
1519                 SV *arg
1520         CODE:
1521                 close_ref = newSVsv(arg);
1522
1523
1524 void
1525 set_sort_handler(arg)
1526                 SV *arg
1527         CODE:
1528                 sort_ref = newSVsv(arg);
1529
1530 void
1531 set_search_handler(arg)
1532                 SV *arg
1533         CODE:
1534                 search_ref = newSVsv(arg);
1535
1536
1537 void
1538 set_fetch_handler(arg)
1539                 SV *arg
1540         CODE:
1541                 fetch_ref = newSVsv(arg);
1542
1543
1544 void
1545 set_present_handler(arg)
1546                 SV *arg
1547         CODE:
1548                 present_ref = newSVsv(arg);
1549
1550
1551 void
1552 set_esrequest_handler(arg)
1553                 SV *arg
1554         CODE:
1555                 esrequest_ref = newSVsv(arg);
1556
1557
1558 void
1559 set_delete_handler(arg)
1560                 SV *arg
1561         CODE:
1562                 delete_ref = newSVsv(arg);
1563
1564
1565 void
1566 set_scan_handler(arg)
1567                 SV *arg
1568         CODE:
1569                 scan_ref = newSVsv(arg);
1570
1571 void
1572 set_explain_handler(arg)
1573                 SV *arg
1574         CODE:
1575                 explain_ref = newSVsv(arg);
1576
1577 int
1578 start_server(...)
1579         PREINIT:
1580                 char **argv;
1581                 char **argv_buf;
1582                 char *ptr;
1583                 int i;
1584                 STRLEN len;
1585         CODE:
1586                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1587                 argv = argv_buf;
1588                 for (i = 0; i < items; i++)
1589                 {
1590                         ptr = SvPV(ST(i), len);
1591                         *argv_buf = (char *)xmalloc(len + 1);
1592                         strcpy(*argv_buf++, ptr);
1593                 }
1594                 *argv_buf = NULL;
1595                 root_perl_context = PERL_GET_CONTEXT;
1596                 yaz_mutex_create(&simpleserver_mutex);
1597 #if 0
1598                 /* only for debugging perl_clone .. */
1599                 tst_clones();
1600 #endif
1601
1602                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1603         OUTPUT:
1604                 RETVAL
1605
1606
1607 int
1608 ScanSuccess()
1609         CODE:
1610                 RETVAL = BEND_SCAN_SUCCESS;
1611         OUTPUT:
1612                 RETVAL
1613
1614 int
1615 ScanPartial()
1616         CODE:
1617                 RETVAL = BEND_SCAN_PARTIAL;
1618         OUTPUT:
1619                 RETVAL
1620
1621
1622 void
1623 yazlog(arg)
1624                 SV *arg
1625         CODE:
1626                 STRLEN len;
1627                 char *ptr;
1628                 ptr = SvPV(arg, len);
1629                 yaz_log(YLOG_LOG, "%.*s", len, ptr);
1630
1631 int
1632 yaz_diag_srw_to_bib1(srw_code)
1633         int srw_code
1634
1635 int
1636 yaz_diag_bib1_to_srw(bib1_code)
1637         int bib1_code
1638