2 * $Id: SimpleServer.xs,v 1.63 2007-05-23 10:22:00 sondberg Exp $
3 * ----------------------------------------------------------------------
5 * Copyright (c) 2000-2004, Index Data.
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,
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.
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.
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
35 #include <yaz/backend.h>
37 #include <yaz/wrbuf.h>
38 #include <yaz/querytowrbuf.h>
40 #include <yaz/mutex.h>
41 #include <yaz/oid_db.h>
48 #define GRS_MAX_FIELDS 500
52 #ifndef sv_undef /* To fix the problem with Perl 5.6.0 */
53 #define sv_undef PL_sv_undef
56 YAZ_MUTEX simpleserver_mutex;
72 int stop_flag; /* is used to stop server prematurely .. */
75 #define ENABLE_STOP_SERVER 0
80 SV *search_ref = NULL;
82 SV *present_ref = NULL;
83 SV *esrequest_ref = NULL;
84 SV *delete_ref = NULL;
86 SV *explain_ref = NULL;
87 PerlInterpreter *root_perl_context;
89 #define GRS_BUF_SIZE 8192
91 CV * simpleserver_sv2cv(SV *handler) {
97 buf = SvPV( handler, len);
98 if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
99 fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
105 return (CV *) handler;
109 /* debugging routine to check for destruction of Perl interpreters */
111 void tst_clones(void)
114 PerlInterpreter *parent = PERL_GET_CONTEXT;
115 for (i = 0; i<5000; i++)
117 PerlInterpreter *perl_interp;
119 PERL_SET_CONTEXT(parent);
120 PL_perl_destruct_level = 2;
121 perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
122 PL_perl_destruct_level = 2;
123 PERL_SET_CONTEXT(perl_interp);
124 perl_destruct(perl_interp);
125 perl_free(perl_interp);
131 int simpleserver_clone(void) {
133 yaz_mutex_enter(simpleserver_mutex);
136 PerlInterpreter *current = PERL_GET_CONTEXT;
138 /* if current is unset, then we're in a new thread with
139 * no Perl interpreter for it. So we must create one .
140 * This will only happen when threaded is used..
143 PerlInterpreter *perl_interp;
144 PERL_SET_CONTEXT( root_perl_context );
145 perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
146 PERL_SET_CONTEXT( perl_interp );
149 yaz_mutex_leave(simpleserver_mutex);
155 void simpleserver_free(void) {
156 yaz_mutex_enter(simpleserver_mutex);
159 PerlInterpreter *current_interp = PERL_GET_CONTEXT;
161 /* If current Perl Interp is different from root interp, then
162 * we're in threaded mode and we must destroy..
164 if (current_interp != root_perl_context) {
165 PL_perl_destruct_level = 2;
166 PERL_SET_CONTEXT(current_interp);
167 perl_destruct(current_interp);
168 perl_free(current_interp);
171 yaz_mutex_leave(simpleserver_mutex);
175 Z_GenericRecord *read_grs1(char *str, ODR o)
178 char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
179 char value[GRS_BUF_SIZE+1];
180 Z_GenericRecord *r = 0;
183 r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
184 r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
193 ptr = strchr(str, '\n');
198 if (len > GRS_BUF_SIZE) {
199 yaz_log(YLOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
202 strncpy(line, str, len);
206 while (*buf && isspace(*buf))
209 memmove(original, str, strlen(str));
212 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
214 yaz_log(YLOG_WARN, "Bad data in '%s'", buf);
217 if (!type && *value == '0')
219 if (!(buf = strchr(buf, ')')))
222 while (*buf && isspace(*buf))
224 if (r->num_elements >= GRS_MAX_FIELDS)
226 yaz_log(YLOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
229 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
230 t->tagType = odr_intdup(o, type);
231 t->tagValue = (Z_StringOrNumeric *)
232 odr_malloc(o, sizeof(Z_StringOrNumeric));
233 if ((ivalue = atoi(value)))
235 t->tagValue->which = Z_StringOrNumeric_numeric;
236 t->tagValue->u.numeric = odr_intdup(o, ivalue);
240 t->tagValue->which = Z_StringOrNumeric_string;
241 t->tagValue->u.string = odr_strdup(o, value);
243 t->tagOccurrence = 0;
245 t->appliedVariant = 0;
246 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
249 c->which = Z_ElementData_subtree;
250 c->u.subtree = read_grs1(str, o);
254 c->which = Z_ElementData_string;
255 c->u.string = odr_strdup(o, buf);
263 static void oid2str(Odr_oid *o, WRBUF buf)
265 for (; *o >= 0; o++) {
267 sprintf(ibuf, "%d", *o);
268 wrbuf_puts(buf, ibuf);
270 wrbuf_putc(buf, '.');
274 WRBUF oid2dotted(Odr_oid *oid)
276 WRBUF buf = wrbuf_alloc();
282 WRBUF zquery2pquery(Z_Query *q)
284 WRBUF buf = wrbuf_alloc();
286 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
288 yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
293 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
295 void fatal(char *fmt, ...)
299 fprintf(stderr, "FATAL (SimpleServer): ");
301 vfprintf(stderr, fmt, ap);
303 fprintf(stderr, "\n");
308 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
310 * Creates a new Perl object of type `class'; the newly-created scalar
311 * that is a reference to the blessed thingy `referent' is returned.
313 static SV *newObject(char *class, SV *referent)
318 sv = newRV_noinc((SV*) referent);
319 stash = gv_stashpv(class, 0);
321 fatal("attempt to create object of undefined class '%s'", class);
322 /*assert(stash != 0);*/
328 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
329 static void setMember(HV *hv, char *name, SV *val)
331 /* We don't increment `val's reference count -- I think this is
332 * right because it's created with a refcount of 1, and in fact
333 * the reference via this hash is the only reference to it in
336 if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
337 fatal("couldn't store member in hash");
341 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
342 static SV *translateOID(Odr_oid *x)
344 /* Yaz represents an OID by an int array terminated by a negative
345 * value, typically -1; we represent it as a reference to a
346 * blessed scalar string of "."-separated elements.
352 for (i = 0; x[i] >= 0; i++) {
353 sprintf(buf + strlen(buf), "%d", (int) x[i]);
359 * ### We'd like to return a blessed scalar (string) here, but of
360 * course you can't do that in Perl: only references can be
361 * blessed, so we'd have to return a _reference_ to a string, and
362 * bless _that_. Better to do without the blessing, I think.
365 return newSVpv(buf, 0);
367 return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
372 static SV *rpn2perl(Z_RPNStructure *s)
379 case Z_RPNStructure_simple: {
380 Z_Operand *o = s->u.simple;
381 Z_AttributesPlusTerm *at;
382 if (o->which == Z_Operand_resultSetId) {
384 /* This code causes a SIGBUS on my machine, and I have no
385 idea why. It seems as clear as day to me */
386 char *rsid = (char*) o->u.resultSetId;
387 printf("Encoding resultSetId '%s'\n", rsid);
388 sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
389 printf("Made sv=0x%lx, hv=0x%lx\n",
390 (unsigned long) sv ,(unsigned long) hv);
391 sv2 = newSVpv(rsid, strlen(rsid));
392 setMember(hv, "id", sv2);
393 printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
396 if (o->which != Z_Operand_APT)
397 fatal("can't handle RPN simples other than APT and RSID");
398 at = o->u.attributesPlusTerm;
399 if (at->term->which != Z_Term_general)
400 fatal("can't handle RPN terms other than general");
402 sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
403 if (at->attributes) {
405 SV *attrs = newObject("Net::Z3950::RPN::Attributes",
406 (SV*) (av = newAV()));
407 for (i = 0; i < at->attributes->num_attributes; i++) {
408 Z_AttributeElement *elem = at->attributes->attributes[i];
410 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
411 (SV*) (hv2 = newHV()));
412 if (elem->attributeSet)
413 setMember(hv2, "attributeSet",
414 translateOID(elem->attributeSet));
415 setMember(hv2, "attributeType",
416 newSViv(*elem->attributeType));
417 assert(elem->which == Z_AttributeValue_numeric);
418 setMember(hv2, "attributeValue",
419 newSViv(*elem->value.numeric));
422 setMember(hv, "attributes", attrs);
424 setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
425 at->term->u.general->len));
428 case Z_RPNStructure_complex: {
430 Z_Complex *c = s->u.complex;
431 char *type = 0; /* vacuous assignment satisfies gcc -Wall */
432 switch (c->roperator->which) {
433 case Z_Operator_and: type = "Net::Z3950::RPN::And"; break;
434 case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break;
435 case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
436 case Z_Operator_prox: fatal("proximity not yet supported");
437 default: fatal("unknown RPN operator %d", (int) c->roperator->which);
439 sv = newObject(type, (SV*) (av = newAV()));
440 if ((tmp = rpn2perl(c->s1)) == 0)
443 if ((tmp = rpn2perl(c->s2)) == 0)
448 default: fatal("unknown RPN node type %d", (int) s->which);
455 /* Decode the Z_SortAttributes struct and store the whole thing into the
458 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
460 WRBUF attrset_wr = wrbuf_alloc();
462 Z_AttributeList *attr_list = sattr->list;
465 oid2str(sattr->id, attrset_wr);
466 hv_store(sort_spec, "ATTRSET", 7,
467 newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
468 wrbuf_destroy(attrset_wr);
470 hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
472 for (i = 0; i < attr_list->num_attributes; i++)
474 Z_AttributeElement *attr = *attr_list->attributes++;
475 HV *attr_spec = newHV();
477 av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
478 hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
480 if (attr->which == Z_AttributeValue_numeric)
482 hv_store(attr_spec, "ATTR_VALUE", 10,
483 newSViv(*attr->value.numeric), 0);
493 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
494 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
496 Z_SortElement *element = spec->sortElement;
498 hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
499 hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
500 hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
502 if (element->which == Z_SortElement_generic)
504 Z_SortKey *key = element->u.generic;
506 if (key->which == Z_SortKey_sortField)
508 hv_store(sort_spec, "SORTFIELD", 9,
509 newSVpv((char *) key->u.sortField, 0), 0);
511 else if (key->which == Z_SortKey_elementSpec)
513 Z_Specification *zspec = key->u.elementSpec;
515 hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
516 newSViv(zspec->which), 0);
518 if (zspec->which == Z_Schema_oid)
520 WRBUF elementSpec = wrbuf_alloc();
522 oid2str(zspec->schema.oid, elementSpec);
523 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
524 newSVpv(elementSpec->buf, elementSpec->pos), 0);
525 wrbuf_destroy(elementSpec);
527 else if (zspec->which == Z_Schema_uri)
529 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
530 newSVpv((char *) zspec->schema.uri, 0), 0);
533 else if (key->which == Z_SortKey_sortAttributes)
535 return simpleserver_ExpandSortAttributes(sort_spec,
536 key->u.sortAttributes);
552 static SV *zquery2perl(Z_Query *q)
557 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
559 sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
560 if (q->u.type_1->attributeSetId)
561 setMember(hv, "attributeSet",
562 translateOID(q->u.type_1->attributeSetId));
563 setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
568 int bend_sort(void *handle, bend_sort_rr *rr)
581 char **input_setnames;
582 Zfront_handle *zhandle = (Zfront_handle *)handle;
583 Z_SortKeySpecList *sort_spec = rr->sort_sequence;
591 input_setnames = rr->input_setnames;
592 for (i = 0; i < rr->num_input_setnames; i++)
594 av_push(aref, newSVpv(*input_setnames++, 0));
598 for (i = 0; i < sort_spec->num_specs; i++)
600 Z_SortKeySpec *spec = *sort_spec->specs++;
601 HV *sort_spec = newHV();
603 if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
604 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
613 hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
614 hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
615 hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
616 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
617 hv_store(href, "STATUS", 6, newSViv(0), 0);
618 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
619 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
623 XPUSHs(sv_2mortal(newRV( (SV*) href)));
627 perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
631 temp = hv_fetch(href, "ERR_CODE", 8, 1);
632 err_code = newSVsv(*temp);
634 temp = hv_fetch(href, "ERR_STR", 7, 1);
635 err_str = newSVsv(*temp);
637 temp = hv_fetch(href, "STATUS", 6, 1);
638 status = newSVsv(*temp);
640 temp = hv_fetch(href, "HANDLE", 6, 1);
641 point = newSVsv(*temp);
647 sv_free( (SV*) aref);
648 sv_free( (SV*) href);
649 sv_free( (SV*) sort_seq);
651 rr->errcode = SvIV(err_code);
652 rr->sort_status = SvIV(status);
654 ptr = SvPV(err_str, len);
655 ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
656 strcpy(ODR_err_str, ptr);
657 rr->errstring = ODR_err_str;
658 zhandle->handle = point;
672 int bend_search(void *handle, bend_search_rr *rr)
684 Zfront_handle *zhandle = (Zfront_handle *)handle;
693 basenames = rr->basenames;
694 for (i = 0; i < rr->num_bases; i++)
696 av_push(aref, newSVpv(*basenames++, 0));
698 #if ENABLE_STOP_SERVER
699 if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
701 zhandle->stop_flag = 1;
705 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
706 if (rr->srw_sortKeys && *rr->srw_sortKeys)
707 hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
708 hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
709 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
710 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
711 hv_store(href, "HITS", 4, newSViv(0), 0);
712 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
713 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
714 hv_store(href, "PID", 3, newSViv(getpid()), 0);
715 if ((rpnSV = zquery2perl(rr->query)) != 0) {
716 hv_store(href, "RPN", 3, rpnSV, 0);
718 query = zquery2pquery(rr->query);
721 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
723 else if (rr->query->which == Z_Query_type_104 &&
724 rr->query->u.type_104->which == Z_External_CQL) {
725 hv_store(href, "CQL", 3,
726 newSVpv(rr->query->u.type_104->u.cql, 0), 0);
735 XPUSHs(sv_2mortal(newRV( (SV*) href)));
739 handler_cv = simpleserver_sv2cv( search_ref );
740 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
744 temp = hv_fetch(href, "HITS", 4, 1);
745 rr->hits = SvIV(*temp);
747 temp = hv_fetch(href, "ERR_CODE", 8, 1);
748 rr->errcode = SvIV(*temp);
750 temp = hv_fetch(href, "ERR_STR", 7, 1);
751 ptr = SvPV(*temp, len);
752 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
753 strcpy(ODR_errstr, ptr);
754 rr->errstring = ODR_errstr;
756 temp = hv_fetch(href, "HANDLE", 6, 1);
757 point = newSVsv(*temp);
762 zhandle->handle = point;
763 sv_free( (SV*) aref);
764 sv_free( (SV*) href);
766 wrbuf_destroy(query);
774 int bend_fetch(void *handle, bend_fetch_rr *rr)
792 Zfront_handle *zhandle = (Zfront_handle *)handle;
795 Z_RecordComposition *composition;
796 Z_ElementSetNames *simple;
806 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
808 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
810 hv_store(href, "SCHEMA", 6, newSVpv("", 0), 0);
812 temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
813 if (rr->request_format != 0) {
814 oid_dotted = oid2dotted(rr->request_format);
816 /* Probably an SRU request: assume XML is required */
817 oid_dotted = wrbuf_alloc();
818 wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
820 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
821 hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
822 hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
823 hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
824 hv_store(href, "LAST", 4, newSViv(0), 0);
825 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
826 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
827 hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
828 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
829 hv_store(href, "PID", 3, newSViv(getpid()), 0);
832 composition = rr->comp;
833 if (composition->which == Z_RecordComp_simple)
835 simple = composition->u.simple;
836 if (simple->which == Z_ElementSetNames_generic)
838 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
845 else if (composition->which == Z_RecordComp_complex)
847 if (composition->u.complex->generic &&
849 composition->u.complex->generic &&
850 composition->u.complex->generic->elementSpec &&
851 composition->u.complex->generic->elementSpec->which ==
852 Z_ElementSpec_elementSetName)
854 complex = composition->u.complex;
855 hv_store(href, "COMP", 4,
856 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
860 #if 0 /* For now ignore this error, which is ubiquitous in SRU */
861 fprintf(stderr, "complex is weird\n");
876 XPUSHs(sv_2mortal(newRV( (SV*) href)));
880 handler_cv = simpleserver_sv2cv( fetch_ref );
881 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
885 temp = hv_fetch(href, "BASENAME", 8, 1);
886 basename = newSVsv(*temp);
888 temp = hv_fetch(href, "RECORD", 6, 1);
889 record = newSVsv(*temp);
891 temp = hv_fetch(href, "LAST", 4, 1);
892 last = newSVsv(*temp);
894 temp = hv_fetch(href, "ERR_CODE", 8, 1);
895 err_code = newSVsv(*temp);
897 temp = hv_fetch(href, "ERR_STR", 7, 1),
898 err_string = newSVsv(*temp);
900 temp = hv_fetch(href, "SUR_FLAG", 8, 1);
901 sur_flag = newSVsv(*temp);
903 temp = hv_fetch(href, "REP_FORM", 8, 1);
904 rep_form = newSVsv(*temp);
906 temp = hv_fetch(href, "SCHEMA", 6, 1);
908 schema = newSVsv(*temp);
909 ptr = SvPV(schema, length);
911 rr->schema = (char *)odr_malloc(rr->stream, length + 1);
912 strcpy(rr->schema, ptr);
916 temp = hv_fetch(href, "HANDLE", 6, 1);
917 point = newSVsv(*temp);
922 ptr = SvPV(basename, length);
923 ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
924 strcpy(ODR_basename, ptr);
925 rr->basename = ODR_basename;
927 ptr = SvPV(rep_form, length);
929 rr->output_format = yaz_string_to_oid_odr(yaz_oid_std(),
930 CLASS_RECSYN, ptr, rr->stream);
931 if (!rr->output_format)
933 printf("Net::Z3950::SimpleServer: WARNING: Bad OID %s\n", ptr);
935 odr_oiddup(rr->stream, yaz_oid_recsyn_sutrs);
937 ptr = SvPV(record, length);
938 /* Treat GRS-1 records separately */
939 if (!oid_oidcmp(rr->output_format, yaz_oid_recsyn_grs_1))
941 rr->record = (char *) read_grs1(ptr, rr->stream);
946 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
947 strcpy(ODR_record, ptr);
948 rr->record = ODR_record;
951 zhandle->handle = point;
953 rr->last_in_set = SvIV(last);
957 rr->errcode = SvIV(err_code);
958 ptr = SvPV(err_string, length);
959 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
960 strcpy(ODR_errstr, ptr);
961 rr->errstring = ODR_errstr;
963 rr->surrogate_flag = SvIV(sur_flag);
965 wrbuf_destroy(oid_dotted);
986 int bend_present(void *handle, bend_present_rr *rr)
995 Z_RecordComposition *composition;
996 Z_ElementSetNames *simple;
1000 Zfront_handle *zhandle = (Zfront_handle *)handle;
1003 /* WRBUF oid_dotted; */
1010 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1011 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1012 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1013 hv_store(href, "START", 5, newSViv(rr->start), 0);
1014 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1015 hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1016 /*oid_dotted = oid2dotted(rr->request_format_raw);
1017 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1018 hv_store(href, "HITS", 4, newSViv(0), 0);
1019 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1022 composition = rr->comp;
1023 if (composition->which == Z_RecordComp_simple)
1025 simple = composition->u.simple;
1026 if (simple->which == Z_ElementSetNames_generic)
1028 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1036 else if (composition->which == Z_RecordComp_complex)
1038 if (composition->u.complex->generic &&
1040 composition->u.complex->generic &&
1041 composition->u.complex->generic->elementSpec &&
1042 composition->u.complex->generic->elementSpec->which ==
1043 Z_ElementSpec_elementSetName)
1045 complex = composition->u.complex;
1046 hv_store(href, "COMP", 4,
1047 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1064 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1068 handler_cv = simpleserver_sv2cv( present_ref );
1069 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1073 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1074 err_code = newSVsv(*temp);
1076 temp = hv_fetch(href, "ERR_STR", 7, 1);
1077 err_string = newSVsv(*temp);
1079 temp = hv_fetch(href, "HITS", 4, 1);
1080 hits = newSVsv(*temp);
1082 temp = hv_fetch(href, "HANDLE", 6, 1);
1083 point = newSVsv(*temp);
1090 rr->errcode = SvIV(err_code);
1091 rr->hits = SvIV(hits);
1093 ptr = SvPV(err_string, len);
1094 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1095 strcpy(ODR_errstr, ptr);
1096 rr->errstring = ODR_errstr;
1097 /* wrbuf_free(oid_dotted, 1);*/
1098 zhandle->handle = point;
1101 sv_free(err_string);
1103 sv_free( (SV*) href);
1109 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1111 perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1116 int bend_delete(void *handle, bend_delete_rr *rr)
1118 perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1123 int bend_scan(void *handle, bend_scan_rr *rr)
1130 struct scan_entry *scan_list;
1131 struct scan_entry *buffer;
1132 int *step_size = rr->step_size;
1136 SV *err_code = sv_newmortal();
1137 SV *err_str = sv_newmortal();
1138 SV *point = sv_newmortal();
1139 SV *status = sv_newmortal();
1140 SV *number = sv_newmortal();
1146 Zfront_handle *zhandle = (Zfront_handle *)handle;
1154 if (rr->term->term->which == Z_Term_general)
1156 term_len = rr->term->term->u.general->len;
1157 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1159 rr->errcode = 229; /* Unsupported term type */
1162 hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1163 hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1164 hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1165 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1166 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1167 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1168 hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1169 hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1171 basenames = rr->basenames;
1172 for (i = 0; i < rr->num_bases; i++)
1174 av_push(aref, newSVpv(*basenames++, 0));
1176 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1180 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1184 handler_cv = simpleserver_sv2cv( scan_ref );
1185 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1189 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1190 err_code = newSVsv(*temp);
1192 temp = hv_fetch(href, "ERR_STR", 7, 1);
1193 err_str = newSVsv(*temp);
1195 temp = hv_fetch(href, "HANDLE", 6, 1);
1196 point = newSVsv(*temp);
1198 temp = hv_fetch(href, "STATUS", 6, 1);
1199 status = newSVsv(*temp);
1201 temp = hv_fetch(href, "NUMBER", 6, 1);
1202 number = newSVsv(*temp);
1204 temp = hv_fetch(href, "ENTRIES", 7, 1);
1205 entries_ref = newSVsv(*temp);
1211 ptr = SvPV(err_str, len);
1212 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1213 strcpy(ODR_errstr, ptr);
1214 rr->errstring = ODR_errstr;
1215 rr->errcode = SvIV(err_code);
1216 rr->num_entries = SvIV(number);
1217 rr->status = SvIV(status);
1218 scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1220 entries = (AV *)SvRV(entries_ref);
1221 for (i = 0; i < rr->num_entries; i++)
1223 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1224 temp = hv_fetch(scan_item, "TERM", 4, 1);
1225 ptr = SvPV(*temp, len);
1226 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1227 strcpy(buffer->term, ptr);
1228 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1229 buffer->occurrences = SvIV(*temp);
1231 hv_undef(scan_item);
1233 rr->entries = scan_list;
1234 zhandle->handle = point;
1241 sv_free((SV *)href);
1243 sv_free((SV *)aref);
1245 sv_free((SV *)list);
1247 /*sv_free((SV *)entries);*/
1248 sv_free(entries_ref);
1253 int bend_explain(void *handle, bend_explain_rr *q)
1261 Zfront_handle *zhandle = (Zfront_handle *)handle;
1268 hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1269 hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1270 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1273 XPUSHs(sv_2mortal(newRV((SV*) href)));
1276 handler_cv = simpleserver_sv2cv(explain_ref);
1277 perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1281 temp = hv_fetch(href, "EXPLAIN", 7, 1);
1282 explainsv = newSVsv(*temp);
1288 explain = SvPV(explainsv, len);
1289 q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1290 strcpy(q->explain_buf, explain);
1295 bend_initresult *bend_init(bend_initrequest *q)
1297 int dummy = simpleserver_clone();
1298 bend_initresult *r = (bend_initresult *)
1299 odr_malloc (q->stream, sizeof(*r));
1304 NMEM nmem = nmem_create();
1305 Zfront_handle *zhandle = (Zfront_handle *) nmem_malloc (nmem,
1314 zhandle->nmem = nmem;
1315 zhandle->stop_flag = 0;
1319 q->bend_sort = bend_sort;
1323 q->bend_search = bend_search;
1327 q->bend_present = bend_present;
1329 /*q->bend_esrequest = bend_esrequest;*/
1330 /*q->bend_delete = bend_delete;*/
1333 q->bend_fetch = bend_fetch;
1337 q->bend_scan = bend_scan;
1341 q->bend_explain = bend_explain;
1345 hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1346 hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1347 hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1348 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1349 hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1350 hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1351 hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1352 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1355 char *passwd = NULL;
1356 if (q->auth->which == Z_IdAuthentication_open) {
1358 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1359 cp = strchr (user, '/');
1361 /* password after / given */
1365 } else if (q->auth->which == Z_IdAuthentication_idPass) {
1366 user = q->auth->u.idPass->userId;
1367 passwd = q->auth->u.idPass->password;
1369 /* ### some code paths have user/password unassigned here */
1371 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1373 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1378 XPUSHs(sv_2mortal(newRV((SV*) href)));
1382 if (init_ref != NULL)
1384 handler_cv = simpleserver_sv2cv( init_ref );
1385 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1390 temp = hv_fetch(href, "IMP_ID", 6, 1);
1391 ptr = SvPV(*temp, len);
1392 q->implementation_id = nmem_strdup(nmem, ptr);
1394 temp = hv_fetch(href, "IMP_NAME", 8, 1);
1395 ptr = SvPV(*temp, len);
1396 q->implementation_name = nmem_strdup(nmem, ptr);
1398 temp = hv_fetch(href, "IMP_VER", 7, 1);
1399 ptr = SvPV(*temp, len);
1400 q->implementation_version = nmem_strdup(nmem, ptr);
1402 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1403 r->errcode = SvIV(*temp);
1405 temp = hv_fetch(href, "ERR_STR", 7, 1);
1406 ptr = SvPV(*temp, len);
1407 r->errstring = (char *)odr_malloc(q->stream, len + 1);
1408 strcpy(r->errstring, ptr);
1410 temp = hv_fetch(href, "HANDLE", 6, 1);
1411 handle= newSVsv(*temp);
1412 zhandle->handle = handle;
1414 r->handle = zhandle;
1417 sv_free((SV*) href);
1426 void bend_close(void *handle)
1429 Zfront_handle *zhandle = (Zfront_handle *)handle;
1439 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1443 XPUSHs(sv_2mortal(newRV((SV *)href)));
1447 handler_cv = simpleserver_sv2cv( close_ref );
1448 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1452 sv_free((SV*) href);
1455 sv_free(zhandle->handle);
1459 stop_flag = zhandle->stop_flag;
1460 nmem_destroy(zhandle->nmem);
1461 simpleserver_free();
1469 MODULE = Net::Z3950::SimpleServer PACKAGE = Net::Z3950::SimpleServer
1475 set_init_handler(arg)
1478 init_ref = newSVsv(arg);
1482 set_close_handler(arg)
1485 close_ref = newSVsv(arg);
1489 set_sort_handler(arg)
1492 sort_ref = newSVsv(arg);
1495 set_search_handler(arg)
1498 search_ref = newSVsv(arg);
1502 set_fetch_handler(arg)
1505 fetch_ref = newSVsv(arg);
1509 set_present_handler(arg)
1512 present_ref = newSVsv(arg);
1516 set_esrequest_handler(arg)
1519 esrequest_ref = newSVsv(arg);
1523 set_delete_handler(arg)
1526 delete_ref = newSVsv(arg);
1530 set_scan_handler(arg)
1533 scan_ref = newSVsv(arg);
1536 set_explain_handler(arg)
1539 explain_ref = newSVsv(arg);
1550 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1552 for (i = 0; i < items; i++)
1554 ptr = SvPV(ST(i), len);
1555 *argv_buf = (char *)xmalloc(len + 1);
1556 strcpy(*argv_buf++, ptr);
1559 root_perl_context = PERL_GET_CONTEXT;
1560 yaz_mutex_create(&simpleserver_mutex);
1562 /* only for debugging perl_clone .. */
1566 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1574 RETVAL = BEND_SCAN_SUCCESS;
1581 RETVAL = BEND_SCAN_PARTIAL;
1592 ptr = SvPV(arg, len);
1593 yaz_log(YLOG_LOG, "%.*s", len, ptr);