SimpleServer.xs

   1 /*
   2  * $Id: SimpleServer.xs,v 1.69 2007-08-17 12:31:40 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 <assert.h>
  36 #include <yaz/backend.h>
  37 #include <yaz/log.h>
  38 #include <yaz/wrbuf.h>
  39 #include <yaz/querytowrbuf.h>
  40 #include <stdio.h>
  41 #include <yaz/mutex.h>
  42 #include <yaz/oid_db.h>
  43 #ifdef WIN32
  44 #else
  45 #include <unistd.h>
  46 #endif
  47 #include <stdlib.h>
  48 #include <ctype.h>
  49 #define GRS_MAX_FIELDS 500
  50 #ifdef ASN_COMPILED
  51 #include <yaz/ill.h>
  52 #endif
  53 #ifndef sv_undef                /* To fix the problem with Perl 5.6.0 */
  54 #define sv_undef PL_sv_undef
  55 #endif
  56
  57 YAZ_MUTEX simpleserver_mutex;
  58
  59 typedef struct {
  60         SV *ghandle;    /* Global handle specified at creation */
  61         SV *handle;     /* Per-connection handle set at Init */
  62 #if 0
  63 /* ### These callback-reference elements are never used! */
  64         SV *init_ref;
  65         SV *close_ref;
  66         SV *sort_ref;
  67         SV *search_ref;
  68         SV *fetch_ref;
  69         SV *present_ref;
  70         SV *esrequest_ref;
  71         SV *delete_ref;
  72         SV *scan_ref;
  73         SV *explain_ref;
  74 #endif /*0*/
  75         NMEM nmem;
  76         int stop_flag;  /* is used to stop server prematurely .. */
  77 } Zfront_handle;
  78
  79 #define ENABLE_STOP_SERVER 0
  80
  81 SV *_global_ghandle = NULL; /* To be copied into zhandle then ignored */
  82 SV *init_ref = NULL;
  83 SV *close_ref = NULL;
  84 SV *sort_ref = NULL;
  85 SV *search_ref = NULL;
  86 SV *fetch_ref = NULL;
  87 SV *present_ref = NULL;
  88 SV *esrequest_ref = NULL;
  89 SV *delete_ref = NULL;
  90 SV *scan_ref = NULL;
  91 SV *explain_ref = NULL;
  92 PerlInterpreter *root_perl_context;
  93
  94 #define GRS_BUF_SIZE 8192
  95
  96
  97 /*
  98  * Inspects the SV indicated by svp, and returns a null pointer if
  99  * it's an undefined value, or a string allocation from `stream'
 100  * otherwise.  Using this when filling in addinfo avoids those
 101  * irritating "Use of uninitialized value in subroutine entry"
 102  * warnings from Perl.
 103  */
 104 char *string_or_undef(SV **svp, ODR stream) {
 105         STRLEN len;
 106         char *ptr, *buf;
 107
 108         if (!SvOK(*svp))
 109                 return 0;
 110
 111         ptr = SvPV(*svp, len);
 112         buf = (char*) odr_malloc(stream, len+1);
 113         strcpy(buf, ptr);
 114         return buf;
 115 }
 116
 117
 118 CV * simpleserver_sv2cv(SV *handler) {
 119     STRLEN len;
 120     char *buf;
 121
 122     if (SvPOK(handler)) {
 123         CV *ret;
 124         buf = SvPV( handler, len);
 125         if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
 126             fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
 127             exit(1);
 128         }
 129
 130         return ret;
 131     } else {
 132         return (CV *) handler;
 133     }
 134 }
 135
 136 /* debugging routine to check for destruction of Perl interpreters */
 137 #ifdef USE_ITHREADS
 138 void tst_clones(void)
 139 {
 140     int i;
 141     PerlInterpreter *parent = PERL_GET_CONTEXT;
 142     for (i = 0; i<5000; i++)
 143     {
 144         PerlInterpreter *perl_interp;
 145
 146         PERL_SET_CONTEXT(parent);
 147         PL_perl_destruct_level = 2;
 148         perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
 149         PL_perl_destruct_level = 2;
 150         PERL_SET_CONTEXT(perl_interp);
 151         perl_destruct(perl_interp);
 152         perl_free(perl_interp);
 153     }
 154     exit (0);
 155 }
 156 #endif
 157
 158 int simpleserver_clone(void) {
 159 #ifdef USE_ITHREADS
 160      yaz_mutex_enter(simpleserver_mutex);
 161      if (1)
 162      {
 163          PerlInterpreter *current = PERL_GET_CONTEXT;
 164
 165          /* if current is unset, then we're in a new thread with
 166           * no Perl interpreter for it. So we must create one .
 167           * This will only happen when threaded is used..
 168           */
 169          if (!current) {
 170              PerlInterpreter *perl_interp;
 171              PERL_SET_CONTEXT( root_perl_context );
 172              perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
 173              PERL_SET_CONTEXT( perl_interp );
 174          }
 175      }
 176      yaz_mutex_leave(simpleserver_mutex);
 177 #endif
 178      return 0;
 179 }
 180
 181
 182 void simpleserver_free(void) {
 183     yaz_mutex_enter(simpleserver_mutex);
 184     if (1)
 185     {
 186         PerlInterpreter *current_interp = PERL_GET_CONTEXT;
 187
 188         /* If current Perl Interp is different from root interp, then
 189          * we're in threaded mode and we must destroy..
 190          */
 191         if (current_interp != root_perl_context) {
 192             PL_perl_destruct_level = 2;
 193             PERL_SET_CONTEXT(current_interp);
 194             perl_destruct(current_interp);
 195             perl_free(current_interp);
 196         }
 197     }
 198     yaz_mutex_leave(simpleserver_mutex);
 199 }
 200
 201
 202 Z_GenericRecord *read_grs1(char *str, ODR o)
 203 {
 204         int type, ivalue;
 205         char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
 206         char value[GRS_BUF_SIZE+1];
 207         Z_GenericRecord *r = 0;
 208
 209         original = str;
 210         r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
 211         r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
 212         r->num_elements = 0;
 213
 214         for (;;)
 215         {
 216                 Z_TaggedElement *t;
 217                 Z_ElementData *c;
 218                 int len;
 219
 220                 ptr = strchr(str, '\n');
 221                 if (!ptr) {
 222                         return r;
 223                 }
 224                 len = ptr - str;
 225                 if (len > GRS_BUF_SIZE) {
 226                     yaz_log(YLOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
 227                     len = GRS_BUF_SIZE;
 228                 }
 229                 strncpy(line, str, len);
 230                 line[len] = 0;
 231                 buf = line;
 232                 str = ptr + 1;
 233                 while (*buf && isspace(*buf))
 234                         buf++;
 235                 if (*buf == '}') {
 236                         memmove(original, str, strlen(str));
 237                         return r;
 238                 }
 239                 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
 240                 {
 241                         yaz_log(YLOG_WARN, "Bad data in '%s'", buf);
 242                         return r;
 243                 }
 244                 if (!type && *value == '0')
 245                         return r;
 246                 if (!(buf = strchr(buf, ')')))
 247                         return r;
 248                 buf++;
 249                 while (*buf && isspace(*buf))
 250                         buf++;
 251                 if (r->num_elements >= GRS_MAX_FIELDS)
 252                 {
 253                         yaz_log(YLOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
 254                         exit(0);
 255                 }
 256                 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
 257                 t->tagType = odr_intdup(o, type);
 258                 t->tagValue = (Z_StringOrNumeric *)
 259                         odr_malloc(o, sizeof(Z_StringOrNumeric));
 260                 if ((ivalue = atoi(value)))
 261                 {
 262                         t->tagValue->which = Z_StringOrNumeric_numeric;
 263                         t->tagValue->u.numeric = odr_intdup(o, ivalue);
 264                 }
 265                 else
 266                 {
 267                         t->tagValue->which = Z_StringOrNumeric_string;
 268                         t->tagValue->u.string = odr_strdup(o, value);
 269                 }
 270                 t->tagOccurrence = 0;
 271                 t->metaData = 0;
 272                 t->appliedVariant = 0;
 273                 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
 274                 if (*buf == '{')
 275                 {
 276                         c->which = Z_ElementData_subtree;
 277                         c->u.subtree = read_grs1(str, o);
 278                 }
 279                 else
 280                 {
 281                         c->which = Z_ElementData_string;
 282                         c->u.string = odr_strdup(o, buf);
 283                 }
 284                 r->num_elements++;
 285         }
 286 }
 287
 288
 289
 290 static void oid2str(Odr_oid *o, WRBUF buf)
 291 {
 292     for (; *o >= 0; o++) {
 293         char ibuf[16];
 294         sprintf(ibuf, "%d", *o);
 295         wrbuf_puts(buf, ibuf);
 296         if (o[1] > 0)
 297             wrbuf_putc(buf, '.');
 298     }
 299 }
 300
 301 WRBUF oid2dotted(Odr_oid *oid)
 302 {
 303     WRBUF buf = wrbuf_alloc();
 304     oid2str(oid, buf);
 305     return buf;
 306 }
 307
 308
 309 WRBUF zquery2pquery(Z_Query *q)
 310 {
 311     WRBUF buf = wrbuf_alloc();
 312
 313     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 314         return 0;
 315     yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
 316     return buf;
 317 }
 318
 319
 320 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
 321 #include <stdarg.h>
 322 void fatal(char *fmt, ...)
 323 {
 324     va_list ap;
 325
 326     fprintf(stderr, "FATAL (SimpleServer): ");
 327     va_start(ap, fmt);
 328     vfprintf(stderr, fmt, ap);
 329     va_end(ap);
 330     fprintf(stderr, "\n");
 331     abort();
 332 }
 333
 334
 335 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 336 /*
 337  * Creates a new Perl object of type `class'; the newly-created scalar
 338  * that is a reference to the blessed thingy `referent' is returned.
 339  */
 340 static SV *newObject(char *class, SV *referent)
 341 {
 342     HV *stash;
 343     SV *sv;
 344
 345     sv = newRV_noinc((SV*) referent);
 346     stash = gv_stashpv(class, 0);
 347     if (stash == 0)
 348         fatal("attempt to create object of undefined class '%s'", class);
 349     /*assert(stash != 0);*/
 350     sv_bless(sv, stash);
 351     return sv;
 352 }
 353
 354
 355 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 356 static void setMember(HV *hv, char *name, SV *val)
 357 {
 358     /* We don't increment `val's reference count -- I think this is
 359      * right because it's created with a refcount of 1, and in fact
 360      * the reference via this hash is the only reference to it in
 361      * general.
 362      */
 363     if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
 364         fatal("couldn't store member in hash");
 365 }
 366
 367
 368 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
 369 static SV *translateOID(Odr_oid *x)
 370 {
 371     /* Yaz represents an OID by an int array terminated by a negative
 372      * value, typically -1; we represent it as a reference to a
 373      * blessed scalar string of "."-separated elements.
 374      */
 375     char buf[1000];
 376     int i;
 377
 378     *buf = '\0';
 379     for (i = 0; x[i] >= 0; i++) {
 380         sprintf(buf + strlen(buf), "%d", (int) x[i]);
 381         if (x[i+1] >- 0)
 382             strcat(buf, ".");
 383     }
 384
 385     /*
 386      * ### We'd like to return a blessed scalar (string) here, but of
 387      *  course you can't do that in Perl: only references can be
 388      *  blessed, so we'd have to return a _reference_ to a string, and
 389      *  bless _that_.  Better to do without the blessing, I think.
 390      */
 391     if (1) {
 392         return newSVpv(buf, 0);
 393     } else {
 394         return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
 395     }
 396 }
 397
 398
 399 static SV *rpn2perl(Z_RPNStructure *s)
 400 {
 401     SV *sv;
 402     HV *hv;
 403     AV *av;
 404
 405     switch (s->which) {
 406     case Z_RPNStructure_simple: {
 407         Z_Operand *o = s->u.simple;
 408         Z_AttributesPlusTerm *at;
 409         if (o->which == Z_Operand_resultSetId) {
 410             SV *sv2;
 411             /* This code causes a SIGBUS on my machine, and I have no
 412                idea why.  It seems as clear as day to me */
 413             char *rsid = (char*) o->u.resultSetId;
 414             printf("Encoding resultSetId '%s'\n", rsid);
 415             sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
 416             printf("Made sv=0x%lx, hv=0x%lx\n",
 417                    (unsigned long) sv ,(unsigned long) hv);
 418             sv2 = newSVpv(rsid, strlen(rsid));
 419             setMember(hv, "id", sv2);
 420             printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
 421             return sv;
 422         }
 423         if (o->which != Z_Operand_APT)
 424             fatal("can't handle RPN simples other than APT and RSID");
 425         at = o->u.attributesPlusTerm;
 426         if (at->term->which != Z_Term_general)
 427             fatal("can't handle RPN terms other than general");
 428
 429         sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
 430         if (at->attributes) {
 431             int i;
 432             SV *attrs = newObject("Net::Z3950::RPN::Attributes",
 433                                   (SV*) (av = newAV()));
 434             for (i = 0; i < at->attributes->num_attributes; i++) {
 435                 Z_AttributeElement *elem = at->attributes->attributes[i];
 436                 HV *hv2;
 437                 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
 438                                     (SV*) (hv2 = newHV()));
 439                 if (elem->attributeSet)
 440                     setMember(hv2, "attributeSet",
 441                               translateOID(elem->attributeSet));
 442                 setMember(hv2, "attributeType",
 443                           newSViv(*elem->attributeType));
 444                 if (elem->which == Z_AttributeValue_numeric) {
 445                     setMember(hv2, "attributeValue",
 446                               newSViv(*elem->value.numeric));
 447                 } else {
 448                     assert(elem->which == Z_AttributeValue_complex);
 449                     Z_ComplexAttribute *complex = elem->value.complex;
 450                     Z_StringOrNumeric *son;
 451                     /* We ignore semantic actions and multiple values */
 452                     assert(complex->num_list > 0);
 453                     son = complex->list[0];
 454                     if (son->which == Z_StringOrNumeric_numeric) {
 455                         setMember(hv2, "attributeValue",
 456                                   newSViv(*son->u.numeric));
 457                     } else { /*Z_StringOrNumeric_string*/
 458                         setMember(hv2, "attributeValue",
 459                                   newSVpv(son->u.string, 0));
 460                     }
 461                 }
 462                 av_push(av, tmp);
 463             }
 464             setMember(hv, "attributes", attrs);
 465         }
 466         setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
 467                                       at->term->u.general->len));
 468         return sv;
 469     }
 470     case Z_RPNStructure_complex: {
 471         SV *tmp;
 472         Z_Complex *c = s->u.complex;
 473         char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
 474         switch (c->roperator->which) {
 475         case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
 476         case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
 477         case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
 478         case Z_Operator_prox:    fatal("proximity not yet supported");
 479         default: fatal("unknown RPN operator %d", (int) c->roperator->which);
 480         }
 481         sv = newObject(type, (SV*) (av = newAV()));
 482         if ((tmp = rpn2perl(c->s1)) == 0)
 483             return 0;
 484         av_push(av, tmp);
 485         if ((tmp = rpn2perl(c->s2)) == 0)
 486             return 0;
 487         av_push(av, tmp);
 488         return sv;
 489     }
 490     default: fatal("unknown RPN node type %d", (int) s->which);
 491     }
 492
 493     return 0;
 494 }
 495
 496
 497 /* Decode the Z_SortAttributes struct and store the whole thing into the
 498  * hash by reference
 499  */
 500 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
 501 {
 502     WRBUF attrset_wr = wrbuf_alloc();
 503     AV *list = newAV();
 504     Z_AttributeList *attr_list = sattr->list;
 505     int i;
 506
 507     oid2str(sattr->id, attrset_wr);
 508     hv_store(sort_spec, "ATTRSET", 7,
 509              newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
 510     wrbuf_destroy(attrset_wr);
 511
 512     hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
 513
 514     for (i = 0; i < attr_list->num_attributes; i++)
 515     {
 516         Z_AttributeElement *attr = *attr_list->attributes++;
 517         HV *attr_spec = newHV();
 518
 519         av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
 520         hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
 521
 522         if (attr->which == Z_AttributeValue_numeric)
 523         {
 524             hv_store(attr_spec, "ATTR_VALUE", 10,
 525                      newSViv(*attr->value.numeric), 0);
 526         } else {
 527             return 0;
 528         }
 529     }
 530
 531     return 1;
 532 }
 533
 534
 535 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
 536 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
 537 {
 538     Z_SortElement *element = spec->sortElement;
 539
 540     hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
 541     hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
 542     hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
 543
 544     if (element->which == Z_SortElement_generic)
 545     {
 546         Z_SortKey *key = element->u.generic;
 547
 548         if (key->which == Z_SortKey_sortField)
 549         {
 550             hv_store(sort_spec, "SORTFIELD", 9,
 551                      newSVpv((char *) key->u.sortField, 0), 0);
 552         }
 553         else if (key->which == Z_SortKey_elementSpec)
 554         {
 555             Z_Specification *zspec = key->u.elementSpec;
 556
 557             hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
 558                      newSViv(zspec->which), 0);
 559
 560             if (zspec->which == Z_Schema_oid)
 561             {
 562                 WRBUF elementSpec = wrbuf_alloc();
 563
 564                 oid2str(zspec->schema.oid, elementSpec);
 565                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 566                          newSVpv(elementSpec->buf, elementSpec->pos), 0);
 567                 wrbuf_destroy(elementSpec);
 568             }
 569             else if (zspec->which == Z_Schema_uri)
 570             {
 571                 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
 572                          newSVpv((char *) zspec->schema.uri, 0), 0);
 573             }
 574         }
 575         else if (key->which == Z_SortKey_sortAttributes)
 576         {
 577             return simpleserver_ExpandSortAttributes(sort_spec,
 578                                                      key->u.sortAttributes);
 579         }
 580         else
 581         {
 582             return 0;
 583         }
 584     }
 585     else
 586     {
 587         return 0;
 588     }
 589
 590     return 1;
 591 }
 592
 593
 594 static SV *zquery2perl(Z_Query *q)
 595 {
 596     SV *sv;
 597     HV *hv;
 598
 599     if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
 600         return 0;
 601     sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
 602     if (q->u.type_1->attributeSetId)
 603         setMember(hv, "attributeSet",
 604                   translateOID(q->u.type_1->attributeSetId));
 605     setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
 606     return sv;
 607 }
 608
 609
 610 int bend_sort(void *handle, bend_sort_rr *rr)
 611 {
 612         HV *href;
 613         AV *aref;
 614         AV *sort_seq;
 615         SV **temp;
 616         SV *err_code;
 617         SV *err_str;
 618         SV *status;
 619         SV *point;
 620         STRLEN len;
 621         char *ptr;
 622         char *ODR_err_str;
 623         char **input_setnames;
 624         Zfront_handle *zhandle = (Zfront_handle *)handle;
 625         Z_SortKeySpecList *sort_spec = rr->sort_sequence;
 626         int i;
 627
 628         dSP;
 629         ENTER;
 630         SAVETMPS;
 631
 632         aref = newAV();
 633         input_setnames = rr->input_setnames;
 634         for (i = 0; i < rr->num_input_setnames; i++)
 635         {
 636             av_push(aref, newSVpv(*input_setnames++, 0));
 637         }
 638
 639         sort_seq = newAV();
 640         for (i = 0; i < sort_spec->num_specs; i++)
 641         {
 642             Z_SortKeySpec *spec = *sort_spec->specs++;
 643             HV *sort_spec = newHV();
 644
 645             if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
 646                 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
 647             else
 648             {
 649                 rr->errcode = 207;
 650                 return 0;
 651             }
 652         }
 653
 654         href = newHV();
 655         hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
 656         hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
 657         hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
 658         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 659         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 660         hv_store(href, "STATUS", 6, newSViv(0), 0);
 661         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 662         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 663
 664         PUSHMARK(sp);
 665
 666         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 667
 668         PUTBACK;
 669
 670         perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
 671
 672         SPAGAIN;
 673
 674         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 675         err_code = newSVsv(*temp);
 676
 677         temp = hv_fetch(href, "ERR_STR", 7, 1);
 678         err_str = newSVsv(*temp);
 679
 680         temp = hv_fetch(href, "STATUS", 6, 1);
 681         status = newSVsv(*temp);
 682
 683         temp = hv_fetch(href, "HANDLE", 6, 1);
 684         point = newSVsv(*temp);
 685
 686         hv_undef(href);
 687         av_undef(aref);
 688         av_undef(sort_seq);
 689
 690         sv_free( (SV*) aref);
 691         sv_free( (SV*) href);
 692         sv_free( (SV*) sort_seq);
 693
 694         rr->errcode = SvIV(err_code);
 695         rr->sort_status = SvIV(status);
 696
 697         ptr = SvPV(err_str, len);
 698         ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
 699         strcpy(ODR_err_str, ptr);
 700         rr->errstring = ODR_err_str;
 701         zhandle->handle = point;
 702
 703         sv_free(err_code);
 704         sv_free(err_str);
 705         sv_free(status);
 706
 707         PUTBACK;
 708         FREETMPS;
 709         LEAVE;
 710
 711         return 0;
 712 }
 713
 714
 715 int bend_search(void *handle, bend_search_rr *rr)
 716 {
 717         HV *href;
 718         AV *aref;
 719         SV **temp;
 720         int i;
 721         char **basenames;
 722         WRBUF query;
 723         SV *point;
 724         Zfront_handle *zhandle = (Zfront_handle *)handle;
 725         CV* handler_cv = 0;
 726         SV *rpnSV;
 727
 728         dSP;
 729         ENTER;
 730         SAVETMPS;
 731
 732         aref = newAV();
 733         basenames = rr->basenames;
 734         for (i = 0; i < rr->num_bases; i++)
 735         {
 736                 av_push(aref, newSVpv(*basenames++, 0));
 737         }
 738 #if ENABLE_STOP_SERVER
 739         if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
 740         {
 741                 zhandle->stop_flag = 1;
 742         }
 743 #endif
 744         href = newHV();
 745         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 746         if (rr->srw_sortKeys && *rr->srw_sortKeys)
 747             hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
 748         hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
 749         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 750         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 751         hv_store(href, "HITS", 4, newSViv(0), 0);
 752         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
 753         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 754         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 755         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 756         if ((rpnSV = zquery2perl(rr->query)) != 0) {
 757             hv_store(href, "RPN", 3, rpnSV, 0);
 758         }
 759         query = zquery2pquery(rr->query);
 760         if (query)
 761         {
 762                 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
 763         }
 764         else if (rr->query->which == Z_Query_type_104 &&
 765                  rr->query->u.type_104->which == Z_External_CQL) {
 766             hv_store(href, "CQL", 3,
 767                      newSVpv(rr->query->u.type_104->u.cql, 0), 0);
 768         }
 769         else
 770         {
 771                 rr->errcode = 108;
 772                 return 0;
 773         }
 774         PUSHMARK(sp);
 775
 776         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 777
 778         PUTBACK;
 779
 780         handler_cv = simpleserver_sv2cv( search_ref );
 781         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 782
 783         SPAGAIN;
 784
 785         temp = hv_fetch(href, "HITS", 4, 1);
 786         rr->hits = SvIV(*temp);
 787
 788         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 789         rr->errcode = SvIV(*temp);
 790
 791         temp = hv_fetch(href, "ERR_STR", 7, 1);
 792         rr->errstring = string_or_undef(temp, rr->stream);
 793
 794         temp = hv_fetch(href, "HANDLE", 6, 1);
 795         point = newSVsv(*temp);
 796
 797         hv_undef(href);
 798         av_undef(aref);
 799
 800         zhandle->handle = point;
 801         sv_free( (SV*) aref);
 802         sv_free( (SV*) href);
 803         if (query)
 804             wrbuf_destroy(query);
 805         PUTBACK;
 806         FREETMPS;
 807         LEAVE;
 808         return 0;
 809 }
 810
 811
 812 int bend_fetch(void *handle, bend_fetch_rr *rr)
 813 {
 814         HV *href;
 815         SV **temp;
 816         SV *basename;
 817         SV *record;
 818         SV *last;
 819         SV *err_code;
 820         SV *err_string;
 821         SV *sur_flag;
 822         SV *point;
 823         SV *rep_form;
 824         SV *schema = 0;
 825         char *ptr;
 826         char *ODR_record;
 827         char *ODR_basename;
 828         char *ODR_errstr;
 829         WRBUF oid_dotted;
 830         Zfront_handle *zhandle = (Zfront_handle *)handle;
 831         CV* handler_cv = 0;
 832
 833         Z_RecordComposition *composition;
 834         Z_ElementSetNames *simple;
 835         Z_CompSpec *complex;
 836         STRLEN length;
 837
 838         dSP;
 839         ENTER;
 840         SAVETMPS;
 841
 842         rr->errcode = 0;
 843         href = newHV();
 844         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
 845         if (rr->schema)
 846                 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
 847         else
 848                 hv_store(href, "SCHEMA", 6, newSVpv("", 0), 0);
 849
 850         temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
 851         if (rr->request_format != 0) {
 852             oid_dotted = oid2dotted(rr->request_format);
 853         } else {
 854             /* Probably an SRU request: assume XML is required */
 855             oid_dotted = wrbuf_alloc();
 856             wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
 857         }
 858         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 859         hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
 860         hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
 861         hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
 862         hv_store(href, "LAST", 4, newSViv(0), 0);
 863         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
 864         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
 865         hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
 866         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
 867         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
 868         hv_store(href, "PID", 3, newSViv(getpid()), 0);
 869         if (rr->comp)
 870         {
 871                 composition = rr->comp;
 872                 if (composition->which == Z_RecordComp_simple)
 873                 {
 874                         simple = composition->u.simple;
 875                         if (simple->which == Z_ElementSetNames_generic)
 876                         {
 877                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
 878                         }
 879                         else
 880                         {
 881                                 rr->errcode = 26;
 882                         }
 883                 }
 884                 else if (composition->which == Z_RecordComp_complex)
 885                 {
 886                         if (composition->u.complex->generic &&
 887
 888                                         composition->u.complex->generic &&
 889                                         composition->u.complex->generic->elementSpec &&
 890                                         composition->u.complex->generic->elementSpec->which ==
 891                                         Z_ElementSpec_elementSetName)
 892                         {
 893                                 complex = composition->u.complex;
 894                                 hv_store(href, "COMP", 4,
 895                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
 896                         }
 897                         else
 898                         {
 899 #if 0   /* For now ignore this error, which is ubiquitous in SRU */
 900                                 fprintf(stderr, "complex is weird\n");
 901                                 rr->errcode = 26;
 902                                 return 0;
 903 #endif /*0*/
 904                         }
 905                 }
 906                 else
 907                 {
 908                         rr->errcode = 26;
 909                         return 0;
 910                 }
 911         }
 912
 913         PUSHMARK(sp);
 914
 915         XPUSHs(sv_2mortal(newRV( (SV*) href)));
 916
 917         PUTBACK;
 918
 919         handler_cv = simpleserver_sv2cv( fetch_ref );
 920         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
 921
 922         SPAGAIN;
 923
 924         temp = hv_fetch(href, "BASENAME", 8, 1);
 925         basename = newSVsv(*temp);
 926
 927         temp = hv_fetch(href, "RECORD", 6, 1);
 928         record = newSVsv(*temp);
 929
 930         temp = hv_fetch(href, "LAST", 4, 1);
 931         last = newSVsv(*temp);
 932
 933         temp = hv_fetch(href, "ERR_CODE", 8, 1);
 934         err_code = newSVsv(*temp);
 935
 936         temp = hv_fetch(href, "ERR_STR", 7, 1),
 937         err_string = newSVsv(*temp);
 938
 939         temp = hv_fetch(href, "SUR_FLAG", 8, 1);
 940         sur_flag = newSVsv(*temp);
 941
 942         temp = hv_fetch(href, "REP_FORM", 8, 1);
 943         rep_form = newSVsv(*temp);
 944
 945         temp = hv_fetch(href, "SCHEMA", 6, 1);
 946         if (temp != 0) {
 947                 schema = newSVsv(*temp);
 948                 ptr = SvPV(schema, length);
 949                 if (length > 0) {
 950                         rr->schema = (char *)odr_malloc(rr->stream, length + 1);
 951                         strcpy(rr->schema, ptr);
 952                 }
 953         }
 954
 955         temp = hv_fetch(href, "HANDLE", 6, 1);
 956         point = newSVsv(*temp);
 957
 958
 959         hv_undef(href);
 960
 961         ptr = SvPV(basename, length);
 962         ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
 963         strcpy(ODR_basename, ptr);
 964         rr->basename = ODR_basename;
 965
 966         ptr = SvPV(rep_form, length);
 967
 968         rr->output_format = yaz_string_to_oid_odr(yaz_oid_std(),
 969                                         CLASS_RECSYN, ptr, rr->stream);
 970         if (!rr->output_format)
 971         {
 972                 printf("Net::Z3950::SimpleServer: WARNING: Bad OID %s\n", ptr);
 973                 rr->output_format =
 974                         odr_oiddup(rr->stream, yaz_oid_recsyn_sutrs);
 975         }
 976         ptr = SvPV(record, length);
 977         /* Treat GRS-1 records separately */
 978         if (!oid_oidcmp(rr->output_format, yaz_oid_recsyn_grs_1))
 979         {
 980                 rr->record = (char *) read_grs1(ptr, rr->stream);
 981                 rr->len = -1;
 982         }
 983         else
 984         {
 985                 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
 986                 strcpy(ODR_record, ptr);
 987                 rr->record = ODR_record;
 988                 rr->len = length;
 989         }
 990         zhandle->handle = point;
 991         handle = zhandle;
 992         rr->last_in_set = SvIV(last);
 993
 994         if (!(rr->errcode))
 995         {
 996                 rr->errcode = SvIV(err_code);
 997                 ptr = SvPV(err_string, length);
 998                 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
 999                 strcpy(ODR_errstr, ptr);
1000                 rr->errstring = ODR_errstr;
1001         }
1002         rr->surrogate_flag = SvIV(sur_flag);
1003
1004         wrbuf_destroy(oid_dotted);
1005         sv_free((SV*) href);
1006         sv_free(basename);
1007         sv_free(record);
1008         sv_free(last);
1009         sv_free(err_string);
1010         sv_free(err_code),
1011         sv_free(sur_flag);
1012         sv_free(rep_form);
1013
1014         if (schema)
1015                 sv_free(schema);
1016
1017         PUTBACK;
1018         FREETMPS;
1019         LEAVE;
1020
1021         return 0;
1022 }
1023
1024
1025 int bend_present(void *handle, bend_present_rr *rr)
1026 {
1027         HV *href;
1028         SV **temp;
1029         SV *err_code;
1030         SV *err_string;
1031         SV *hits;
1032         SV *point;
1033         STRLEN len;
1034         Z_RecordComposition *composition;
1035         Z_ElementSetNames *simple;
1036         Z_CompSpec *complex;
1037         char *ODR_errstr;
1038         char *ptr;
1039         Zfront_handle *zhandle = (Zfront_handle *)handle;
1040         CV* handler_cv = 0;
1041
1042 /*      WRBUF oid_dotted; */
1043
1044         dSP;
1045         ENTER;
1046         SAVETMPS;
1047
1048         href = newHV();
1049         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1050         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1051         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1052         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1053         hv_store(href, "START", 5, newSViv(rr->start), 0);
1054         hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1055         hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1056         /*oid_dotted = oid2dotted(rr->request_format_raw);
1057         hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1058         hv_store(href, "HITS", 4, newSViv(0), 0);
1059         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1060         if (rr->comp)
1061         {
1062                 composition = rr->comp;
1063                 if (composition->which == Z_RecordComp_simple)
1064                 {
1065                         simple = composition->u.simple;
1066                         if (simple->which == Z_ElementSetNames_generic)
1067                         {
1068                                 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1069                         }
1070                         else
1071                         {
1072                                 rr->errcode = 26;
1073                                 return 0;
1074                         }
1075                 }
1076                 else if (composition->which == Z_RecordComp_complex)
1077                 {
1078                         if (composition->u.complex->generic &&
1079
1080                                         composition->u.complex->generic &&
1081                                         composition->u.complex->generic->elementSpec &&
1082                                         composition->u.complex->generic->elementSpec->which ==
1083                                         Z_ElementSpec_elementSetName)
1084                         {
1085                                 complex = composition->u.complex;
1086                                 hv_store(href, "COMP", 4,
1087                                         newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1088                         }
1089                         else
1090                         {
1091                                 rr->errcode = 26;
1092                                 return 0;
1093                         }
1094                 }
1095                 else
1096                 {
1097                         rr->errcode = 26;
1098                         return 0;
1099                 }
1100         }
1101
1102         PUSHMARK(sp);
1103
1104         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1105
1106         PUTBACK;
1107
1108         handler_cv = simpleserver_sv2cv( present_ref );
1109         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1110
1111         SPAGAIN;
1112
1113         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1114         err_code = newSVsv(*temp);
1115
1116         temp = hv_fetch(href, "ERR_STR", 7, 1);
1117         err_string = newSVsv(*temp);
1118
1119         temp = hv_fetch(href, "HITS", 4, 1);
1120         hits = newSVsv(*temp);
1121
1122         temp = hv_fetch(href, "HANDLE", 6, 1);
1123         point = newSVsv(*temp);
1124
1125         PUTBACK;
1126         FREETMPS;
1127         LEAVE;
1128
1129         hv_undef(href);
1130         rr->errcode = SvIV(err_code);
1131         rr->hits = SvIV(hits);
1132
1133         ptr = SvPV(err_string, len);
1134         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1135         strcpy(ODR_errstr, ptr);
1136         rr->errstring = ODR_errstr;
1137 /*      wrbuf_free(oid_dotted, 1);*/
1138         zhandle->handle = point;
1139         handle = zhandle;
1140         sv_free(err_code);
1141         sv_free(err_string);
1142         sv_free(hits);
1143         sv_free( (SV*) href);
1144
1145         return 0;
1146 }
1147
1148
1149 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1150 {
1151         perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1152         return 0;
1153 }
1154
1155
1156 int bend_delete(void *handle, bend_delete_rr *rr)
1157 {
1158         perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1159         return 0;
1160 }
1161
1162
1163 int bend_scan(void *handle, bend_scan_rr *rr)
1164 {
1165         HV *href;
1166         AV *aref;
1167         AV *list;
1168         AV *entries;
1169         HV *scan_item;
1170         struct scan_entry *scan_list;
1171         struct scan_entry *buffer;
1172         int *step_size = rr->step_size;
1173         int i;
1174         char **basenames;
1175         SV **temp;
1176         SV *err_code = sv_newmortal();
1177         SV *err_str = sv_newmortal();
1178         SV *point = sv_newmortal();
1179         SV *status = sv_newmortal();
1180         SV *number = sv_newmortal();
1181         char *ptr;
1182         char *ODR_errstr;
1183         STRLEN len;
1184         int term_len;
1185         SV *entries_ref;
1186         Zfront_handle *zhandle = (Zfront_handle *)handle;
1187         CV* handler_cv = 0;
1188
1189         dSP;
1190         ENTER;
1191         SAVETMPS;
1192         href = newHV();
1193         list = newAV();
1194         if (rr->term->term->which == Z_Term_general)
1195         {
1196                 term_len = rr->term->term->u.general->len;
1197                 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1198         } else {
1199                 rr->errcode = 229;      /* Unsupported term type */
1200                 return 0;
1201         }
1202         hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1203         hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1204         hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1205         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1206         hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1207         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1208         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1209         hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1210         hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1211         aref = newAV();
1212         basenames = rr->basenames;
1213         for (i = 0; i < rr->num_bases; i++)
1214         {
1215                 av_push(aref, newSVpv(*basenames++, 0));
1216         }
1217         hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1218
1219         PUSHMARK(sp);
1220
1221         XPUSHs(sv_2mortal(newRV( (SV*) href)));
1222
1223         PUTBACK;
1224
1225         handler_cv = simpleserver_sv2cv( scan_ref );
1226         perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1227
1228         SPAGAIN;
1229
1230         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1231         err_code = newSVsv(*temp);
1232
1233         temp = hv_fetch(href, "ERR_STR", 7, 1);
1234         err_str = newSVsv(*temp);
1235
1236         temp = hv_fetch(href, "HANDLE", 6, 1);
1237         point = newSVsv(*temp);
1238
1239         temp = hv_fetch(href, "STATUS", 6, 1);
1240         status = newSVsv(*temp);
1241
1242         temp = hv_fetch(href, "NUMBER", 6, 1);
1243         number = newSVsv(*temp);
1244
1245         temp = hv_fetch(href, "ENTRIES", 7, 1);
1246         entries_ref = newSVsv(*temp);
1247
1248         PUTBACK;
1249         FREETMPS;
1250         LEAVE;
1251
1252         ptr = SvPV(err_str, len);
1253         ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1254         strcpy(ODR_errstr, ptr);
1255         rr->errstring = ODR_errstr;
1256         rr->errcode = SvIV(err_code);
1257         rr->num_entries = SvIV(number);
1258         rr->status = SvIV(status);
1259         scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1260         buffer = scan_list;
1261         entries = (AV *)SvRV(entries_ref);
1262         if (rr->errcode == 0) for (i = 0; i < rr->num_entries; i++)
1263         {
1264                 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1265                 temp = hv_fetch(scan_item, "TERM", 4, 1);
1266                 ptr = SvPV(*temp, len);
1267                 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1268                 strcpy(buffer->term, ptr);
1269                 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1270                 buffer->occurrences = SvIV(*temp);
1271                 buffer++;
1272                 hv_undef(scan_item);
1273         }
1274         rr->entries = scan_list;
1275         zhandle->handle = point;
1276         handle = zhandle;
1277         sv_free(err_code);
1278         sv_free(err_str);
1279         sv_free(status);
1280         sv_free(number);
1281         hv_undef(href);
1282         sv_free((SV *)href);
1283         av_undef(aref);
1284         sv_free((SV *)aref);
1285         av_undef(list);
1286         sv_free((SV *)list);
1287         av_undef(entries);
1288         /*sv_free((SV *)entries);*/
1289         sv_free(entries_ref);
1290
1291         return 0;
1292 }
1293
1294 int bend_explain(void *handle, bend_explain_rr *q)
1295 {
1296         HV *href;
1297         CV *handler_cv = 0;
1298         SV **temp;
1299         char *explain;
1300         SV *explainsv;
1301         STRLEN len;
1302         Zfront_handle *zhandle = (Zfront_handle *)handle;
1303
1304         dSP;
1305         ENTER;
1306         SAVETMPS;
1307
1308         href = newHV();
1309         hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1310         hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1311         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1312         hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1313
1314         PUSHMARK(sp);
1315         XPUSHs(sv_2mortal(newRV((SV*) href)));
1316         PUTBACK;
1317
1318         handler_cv = simpleserver_sv2cv(explain_ref);
1319         perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1320
1321         SPAGAIN;
1322
1323         temp = hv_fetch(href, "EXPLAIN", 7, 1);
1324         explainsv = newSVsv(*temp);
1325
1326         PUTBACK;
1327         FREETMPS;
1328         LEAVE;
1329
1330         explain = SvPV(explainsv, len);
1331         q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1332         strcpy(q->explain_buf, explain);
1333
1334         return 0;
1335 }
1336
1337 bend_initresult *bend_init(bend_initrequest *q)
1338 {
1339         int dummy = simpleserver_clone();
1340         bend_initresult *r = (bend_initresult *)
1341                 odr_malloc (q->stream, sizeof(*r));
1342         char *ptr;
1343         CV* handler_cv = 0;
1344         dSP;
1345         STRLEN len;
1346         NMEM nmem = nmem_create();
1347         Zfront_handle *zhandle =  (Zfront_handle *) nmem_malloc (nmem,
1348                         sizeof(*zhandle));
1349         SV *handle;
1350         HV *href;
1351         SV **temp;
1352
1353         ENTER;
1354         SAVETMPS;
1355
1356         zhandle->ghandle = _global_ghandle;
1357         zhandle->nmem = nmem;
1358         zhandle->stop_flag = 0;
1359
1360         if (sort_ref)
1361         {
1362             q->bend_sort = bend_sort;
1363         }
1364         if (search_ref)
1365         {
1366                 q->bend_search = bend_search;
1367         }
1368         if (present_ref)
1369         {
1370                 q->bend_present = bend_present;
1371         }
1372         /*q->bend_esrequest = bend_esrequest;*/
1373         /*q->bend_delete = bend_delete;*/
1374         if (fetch_ref)
1375         {
1376                 q->bend_fetch = bend_fetch;
1377         }
1378         if (scan_ref)
1379         {
1380                 q->bend_scan = bend_scan;
1381         }
1382         if (explain_ref)
1383         {
1384                 q->bend_explain = bend_explain;
1385         }
1386
1387         href = newHV();
1388         hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1389         hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1390         hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1391         hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1392         hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1393         hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1394         hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1395         hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1396         hv_store(href, "PID", 3, newSViv(getpid()), 0);
1397         if (q->auth) {
1398             char *user = NULL;
1399             char *passwd = NULL;
1400             if (q->auth->which == Z_IdAuthentication_open) {
1401                 char *cp;
1402                 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1403                 cp = strchr (user, '/');
1404                 if (cp) {
1405                     /* password after / given */
1406                     *cp = '\0';
1407                     passwd = cp+1;
1408                 }
1409             } else if (q->auth->which == Z_IdAuthentication_idPass) {
1410                 user = q->auth->u.idPass->userId;
1411                 passwd = q->auth->u.idPass->password;
1412             }
1413             /* ### some code paths have user/password unassigned here */
1414             if (user)
1415                 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1416             if (passwd)
1417                 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1418         }
1419
1420         PUSHMARK(sp);
1421
1422         XPUSHs(sv_2mortal(newRV((SV*) href)));
1423
1424         PUTBACK;
1425
1426         if (init_ref != NULL)
1427         {
1428              handler_cv = simpleserver_sv2cv( init_ref );
1429              perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1430         }
1431
1432         SPAGAIN;
1433
1434         temp = hv_fetch(href, "IMP_ID", 6, 1);
1435         ptr = SvPV(*temp, len);
1436         q->implementation_id = nmem_strdup(nmem, ptr);
1437
1438         temp = hv_fetch(href, "IMP_NAME", 8, 1);
1439         ptr = SvPV(*temp, len);
1440         q->implementation_name = nmem_strdup(nmem, ptr);
1441
1442         temp = hv_fetch(href, "IMP_VER", 7, 1);
1443         ptr = SvPV(*temp, len);
1444         q->implementation_version = nmem_strdup(nmem, ptr);
1445
1446         temp = hv_fetch(href, "ERR_CODE", 8, 1);
1447         r->errcode = SvIV(*temp);
1448
1449         temp = hv_fetch(href, "ERR_STR", 7, 1);
1450         ptr = SvPV(*temp, len);
1451         r->errstring = (char *)odr_malloc(q->stream, len + 1);
1452         strcpy(r->errstring, ptr);
1453
1454         temp = hv_fetch(href, "HANDLE", 6, 1);
1455         handle= newSVsv(*temp);
1456         zhandle->handle = handle;
1457
1458         r->handle = zhandle;
1459
1460         hv_undef(href);
1461         sv_free((SV*) href);
1462
1463         PUTBACK;
1464         FREETMPS;
1465         LEAVE;
1466
1467         return r;
1468 }
1469
1470 void bend_close(void *handle)
1471 {
1472         HV *href;
1473         Zfront_handle *zhandle = (Zfront_handle *)handle;
1474         CV* handler_cv = 0;
1475         int stop_flag = 0;
1476         dSP;
1477         ENTER;
1478         SAVETMPS;
1479
1480         if (close_ref)
1481         {
1482                 href = newHV();
1483                 hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0);
1484                 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1485
1486                 PUSHMARK(sp);
1487
1488                 XPUSHs(sv_2mortal(newRV((SV *)href)));
1489
1490                 PUTBACK;
1491
1492                 handler_cv = simpleserver_sv2cv( close_ref );
1493                 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1494
1495                 SPAGAIN;
1496
1497                 sv_free((SV*) href);
1498         }
1499         else
1500                 sv_free(zhandle->handle);
1501         PUTBACK;
1502         FREETMPS;
1503         LEAVE;
1504         stop_flag = zhandle->stop_flag;
1505         nmem_destroy(zhandle->nmem);
1506         simpleserver_free();
1507
1508         if (stop_flag)
1509                 exit(0);
1510         return;
1511 }
1512
1513
1514 MODULE = Net::Z3950::SimpleServer       PACKAGE = Net::Z3950::SimpleServer
1515
1516 PROTOTYPES: DISABLE
1517
1518
1519 void
1520 set_ghandle(arg)
1521                 SV *arg
1522         CODE:
1523                 _global_ghandle = newSVsv(arg);
1524
1525
1526 void
1527 set_init_handler(arg)
1528                 SV *arg
1529         CODE:
1530                 init_ref = newSVsv(arg);
1531
1532
1533 void
1534 set_close_handler(arg)
1535                 SV *arg
1536         CODE:
1537                 close_ref = newSVsv(arg);
1538
1539
1540 void
1541 set_sort_handler(arg)
1542                 SV *arg
1543         CODE:
1544                 sort_ref = newSVsv(arg);
1545
1546 void
1547 set_search_handler(arg)
1548                 SV *arg
1549         CODE:
1550                 search_ref = newSVsv(arg);
1551
1552
1553 void
1554 set_fetch_handler(arg)
1555                 SV *arg
1556         CODE:
1557                 fetch_ref = newSVsv(arg);
1558
1559
1560 void
1561 set_present_handler(arg)
1562                 SV *arg
1563         CODE:
1564                 present_ref = newSVsv(arg);
1565
1566
1567 void
1568 set_esrequest_handler(arg)
1569                 SV *arg
1570         CODE:
1571                 esrequest_ref = newSVsv(arg);
1572
1573
1574 void
1575 set_delete_handler(arg)
1576                 SV *arg
1577         CODE:
1578                 delete_ref = newSVsv(arg);
1579
1580
1581 void
1582 set_scan_handler(arg)
1583                 SV *arg
1584         CODE:
1585                 scan_ref = newSVsv(arg);
1586
1587 void
1588 set_explain_handler(arg)
1589                 SV *arg
1590         CODE:
1591                 explain_ref = newSVsv(arg);
1592
1593 int
1594 start_server(...)
1595         PREINIT:
1596                 char **argv;
1597                 char **argv_buf;
1598                 char *ptr;
1599                 int i;
1600                 STRLEN len;
1601         CODE:
1602                 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1603                 argv = argv_buf;
1604                 for (i = 0; i < items; i++)
1605                 {
1606                         ptr = SvPV(ST(i), len);
1607                         *argv_buf = (char *)xmalloc(len + 1);
1608                         strcpy(*argv_buf++, ptr);
1609                 }
1610                 *argv_buf = NULL;
1611                 root_perl_context = PERL_GET_CONTEXT;
1612                 yaz_mutex_create(&simpleserver_mutex);
1613 #if 0
1614                 /* only for debugging perl_clone .. */
1615                 tst_clones();
1616 #endif
1617
1618                 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1619         OUTPUT:
1620                 RETVAL
1621
1622
1623 int
1624 ScanSuccess()
1625         CODE:
1626                 RETVAL = BEND_SCAN_SUCCESS;
1627         OUTPUT:
1628                 RETVAL
1629
1630 int
1631 ScanPartial()
1632         CODE:
1633                 RETVAL = BEND_SCAN_PARTIAL;
1634         OUTPUT:
1635                 RETVAL
1636
1637
1638 void
1639 yazlog(arg)
1640                 SV *arg
1641         CODE:
1642                 STRLEN len;
1643                 char *ptr;
1644                 ptr = SvPV(arg, len);
1645                 yaz_log(YLOG_LOG, "%.*s", len, ptr);
1646
1647 int
1648 yaz_diag_srw_to_bib1(srw_code)
1649         int srw_code
1650
1651 int
1652 yaz_diag_bib1_to_srw(bib1_code)
1653         int bib1_code
1654