2 * $Id: SimpleServer.xs,v 1.53 2006-07-26 11:09:14 mike 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>
45 #define GRS_MAX_FIELDS 500
49 #ifndef sv_undef /* To fix the problem with Perl 5.6.0 */
50 #define sv_undef PL_sv_undef
53 NMEM_MUTEX simpleserver_mutex;
69 int stop_flag; /* is used to stop server prematurely .. */
72 #define ENABLE_STOP_SERVER 0
77 SV *search_ref = NULL;
79 SV *present_ref = NULL;
80 SV *esrequest_ref = NULL;
81 SV *delete_ref = NULL;
83 SV *explain_ref = NULL;
84 PerlInterpreter *root_perl_context;
87 #define GRS_BUF_SIZE 512
89 CV * simpleserver_sv2cv(SV *handler) {
95 buf = SvPV( handler, len);
96 if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
97 fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
103 return (CV *) handler;
107 /* debugging routine to check for destruction of Perl interpreters */
109 void tst_clones(void)
112 PerlInterpreter *parent = PERL_GET_CONTEXT;
113 for (i = 0; i<5000; i++)
115 PerlInterpreter *perl_interp;
117 PERL_SET_CONTEXT(parent);
118 PL_perl_destruct_level = 2;
119 perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
120 PL_perl_destruct_level = 2;
121 PERL_SET_CONTEXT(perl_interp);
122 perl_destruct(perl_interp);
123 perl_free(perl_interp);
129 int simpleserver_clone(void) {
131 nmem_mutex_enter(simpleserver_mutex);
134 PerlInterpreter *current = PERL_GET_CONTEXT;
136 /* if current is unset, then we're in a new thread with
137 * no Perl interpreter for it. So we must create one .
138 * This will only happen when threaded is used..
141 PerlInterpreter *perl_interp;
142 PERL_SET_CONTEXT( root_perl_context );
143 perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
144 PERL_SET_CONTEXT( perl_interp );
147 nmem_mutex_leave(simpleserver_mutex);
153 void simpleserver_free(void) {
154 nmem_mutex_enter(simpleserver_mutex);
157 PerlInterpreter *current_interp = PERL_GET_CONTEXT;
159 /* If current Perl Interp is different from root interp, then
160 * we're in threaded mode and we must destroy..
162 if (current_interp != root_perl_context) {
163 PL_perl_destruct_level = 2;
164 PERL_SET_CONTEXT(current_interp);
165 perl_destruct(current_interp);
166 perl_free(current_interp);
169 nmem_mutex_leave(simpleserver_mutex);
173 Z_GenericRecord *read_grs1(char *str, ODR o)
176 char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
177 char value[GRS_BUF_SIZE+1];
178 Z_GenericRecord *r = 0;
181 r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
182 r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
191 ptr = strchr(str, '\n');
196 if (len > GRS_BUF_SIZE) {
197 yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
200 strncpy(line, str, len);
204 while (*buf && isspace(*buf))
207 memmove(original, str, strlen(str));
210 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
212 yaz_log(LOG_WARN, "Bad data in '%s'", buf);
215 if (!type && *value == '0')
217 if (!(buf = strchr(buf, ')')))
220 while (*buf && isspace(*buf))
222 if (r->num_elements >= GRS_MAX_FIELDS)
224 yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
227 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
228 t->tagType = (int *)odr_malloc(o, sizeof(int));
230 t->tagValue = (Z_StringOrNumeric *)
231 odr_malloc(o, sizeof(Z_StringOrNumeric));
232 if ((ivalue = atoi(value)))
234 t->tagValue->which = Z_StringOrNumeric_numeric;
235 t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
236 *t->tagValue->u.numeric = ivalue;
240 t->tagValue->which = Z_StringOrNumeric_string;
241 t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
242 strcpy(t->tagValue->u.string, value);
244 t->tagOccurrence = 0;
246 t->appliedVariant = 0;
247 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
250 c->which = Z_ElementData_subtree;
251 c->u.subtree = read_grs1(str, o);
255 c->which = Z_ElementData_string;
256 c->u.string = odr_strdup(o, buf);
265 static void oid2str(Odr_oid *o, WRBUF buf)
267 for (; *o >= 0; o++) {
269 sprintf(ibuf, "%d", *o);
270 wrbuf_puts(buf, ibuf);
272 wrbuf_putc(buf, '.');
277 WRBUF zquery2pquery(Z_Query *q)
279 WRBUF buf = wrbuf_alloc();
281 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
283 yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
288 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
290 void fatal(char *fmt, ...)
294 fprintf(stderr, "FATAL (SimpleServer): ");
296 vfprintf(stderr, fmt, ap);
298 fprintf(stderr, "\n");
303 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
305 * Creates a new Perl object of type `class'; the newly-created scalar
306 * that is a reference to the blessed thingy `referent' is returned.
308 static SV *newObject(char *class, SV *referent)
313 sv = newRV_noinc((SV*) referent);
314 stash = gv_stashpv(class, 0);
316 fatal("attempt to create object of undefined class '%s'", class);
317 /*assert(stash != 0);*/
323 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
324 static void setMember(HV *hv, char *name, SV *val)
326 /* We don't increment `val's reference count -- I think this is
327 * right because it's created with a refcount of 1, and in fact
328 * the reference via this hash is the only reference to it in
331 if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
332 fatal("couldn't store member in hash");
336 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
337 static SV *translateOID(Odr_oid *x)
339 /* Yaz represents an OID by an int array terminated by a negative
340 * value, typically -1; we represent it as a reference to a
341 * blessed scalar string of "."-separated elements.
347 for (i = 0; x[i] >= 0; i++) {
348 sprintf(buf + strlen(buf), "%d", (int) x[i]);
354 * ### We'd like to return a blessed scalar (string) here, but of
355 * course you can't do that in Perl: only references can be
356 * blessed, so we'd have to return a _reference_ to a string, and
357 * bless _that_. Better to do without the blessing, I think.
360 return newSVpv(buf, 0);
362 return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
367 static SV *rpn2perl(Z_RPNStructure *s)
374 case Z_RPNStructure_simple: {
375 Z_Operand *o = s->u.simple;
376 Z_AttributesPlusTerm *at;
377 if (o->which == Z_Operand_resultSetId) {
379 /* This code causes a SIGBUS on my machine, and I have no
380 idea why. It seems as clear as day to me */
381 char *rsid = (char*) o->u.resultSetId;
382 printf("Encoding resultSetId '%s'\n", rsid);
383 sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
384 printf("Made sv=0x%lx, hv=0x%lx\n",
385 (unsigned long) sv ,(unsigned long) hv);
386 sv2 = newSVpv(rsid, strlen(rsid));
387 setMember(hv, "id", sv2);
388 printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
391 if (o->which != Z_Operand_APT)
392 fatal("can't handle RPN simples other than APT and RSID");
393 at = o->u.attributesPlusTerm;
394 if (at->term->which != Z_Term_general)
395 fatal("can't handle RPN terms other than general");
397 sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
398 if (at->attributes) {
400 SV *attrs = newObject("Net::Z3950::RPN::Attributes",
401 (SV*) (av = newAV()));
402 for (i = 0; i < at->attributes->num_attributes; i++) {
403 Z_AttributeElement *elem = at->attributes->attributes[i];
405 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
406 (SV*) (hv2 = newHV()));
407 if (elem->attributeSet)
408 setMember(hv2, "attributeSet",
409 translateOID(elem->attributeSet));
410 setMember(hv2, "attributeType",
411 newSViv(*elem->attributeType));
412 assert(elem->which == Z_AttributeValue_numeric);
413 setMember(hv2, "attributeValue",
414 newSViv(*elem->value.numeric));
417 setMember(hv, "attributes", attrs);
419 setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
420 at->term->u.general->len));
423 case Z_RPNStructure_complex: {
425 Z_Complex *c = s->u.complex;
426 char *type = 0; /* vacuous assignment satisfies gcc -Wall */
427 switch (c->roperator->which) {
428 case Z_Operator_and: type = "Net::Z3950::RPN::And"; break;
429 case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break;
430 case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
431 case Z_Operator_prox: fatal("proximity not yet supported");
432 default: fatal("unknown RPN operator %d", (int) c->roperator->which);
434 sv = newObject(type, (SV*) (av = newAV()));
435 if ((tmp = rpn2perl(c->s1)) == 0)
438 if ((tmp = rpn2perl(c->s2)) == 0)
443 default: fatal("unknown RPN node type %d", (int) s->which);
450 /* Decode the Z_SortAttributes struct and store the whole thing into the
453 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
455 WRBUF attrset_wr = wrbuf_alloc();
457 Z_AttributeList *attr_list = sattr->list;
460 oid2str(sattr->id, attrset_wr);
461 hv_store(sort_spec, "ATTRSET", 7,
462 newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
463 wrbuf_free(attrset_wr, 1);
465 hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
467 for (i = 0; i < attr_list->num_attributes; i++)
469 Z_AttributeElement *attr = *attr_list->attributes++;
470 HV *attr_spec = newHV();
472 av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
473 hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
475 if (attr->which == Z_AttributeValue_numeric)
477 hv_store(attr_spec, "ATTR_VALUE", 10,
478 newSViv(*attr->value.numeric), 0);
488 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
489 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
491 Z_SortElement *element = spec->sortElement;
493 hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
494 hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
495 hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
497 if (element->which == Z_SortElement_generic)
499 Z_SortKey *key = element->u.generic;
501 if (key->which == Z_SortKey_sortField)
503 hv_store(sort_spec, "SORTFIELD", 9,
504 newSVpv((char *) key->u.sortField, 0), 0);
506 else if (key->which == Z_SortKey_elementSpec)
508 Z_Specification *zspec = key->u.elementSpec;
510 hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
511 newSViv(zspec->which), 0);
513 if (zspec->which == Z_Schema_oid)
515 WRBUF elementSpec = wrbuf_alloc();
517 oid2str(zspec->schema.oid, elementSpec);
518 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
519 newSVpv(elementSpec->buf, elementSpec->pos), 0);
520 wrbuf_free(elementSpec, 1);
522 else if (zspec->which == Z_Schema_uri)
524 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
525 newSVpv((char *) zspec->schema.uri, 0), 0);
528 else if (key->which == Z_SortKey_sortAttributes)
530 return simpleserver_ExpandSortAttributes(sort_spec,
531 key->u.sortAttributes);
547 static SV *zquery2perl(Z_Query *q)
552 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
554 sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
555 if (q->u.type_1->attributeSetId)
556 setMember(hv, "attributeSet",
557 translateOID(q->u.type_1->attributeSetId));
558 setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
563 int bend_sort(void *handle, bend_sort_rr *rr)
576 char **input_setnames;
577 Zfront_handle *zhandle = (Zfront_handle *)handle;
578 Z_SortKeySpecList *sort_spec = rr->sort_sequence;
586 input_setnames = rr->input_setnames;
587 for (i = 0; i < rr->num_input_setnames; i++)
589 av_push(aref, newSVpv(*input_setnames++, 0));
593 for (i = 0; i < sort_spec->num_specs; i++)
595 Z_SortKeySpec *spec = *sort_spec->specs++;
596 HV *sort_spec = newHV();
598 if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
599 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
608 hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
609 hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
610 hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
611 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
612 hv_store(href, "STATUS", 6, newSViv(0), 0);
613 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
614 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
618 XPUSHs(sv_2mortal(newRV( (SV*) href)));
622 perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
626 temp = hv_fetch(href, "ERR_CODE", 8, 1);
627 err_code = newSVsv(*temp);
629 temp = hv_fetch(href, "ERR_STR", 7, 1);
630 err_str = newSVsv(*temp);
632 temp = hv_fetch(href, "STATUS", 6, 1);
633 status = newSVsv(*temp);
635 temp = hv_fetch(href, "HANDLE", 6, 1);
636 point = newSVsv(*temp);
642 sv_free( (SV*) aref);
643 sv_free( (SV*) href);
644 sv_free( (SV*) sort_seq);
646 rr->errcode = SvIV(err_code);
647 rr->sort_status = SvIV(status);
649 ptr = SvPV(err_str, len);
650 ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
651 strcpy(ODR_err_str, ptr);
652 rr->errstring = ODR_err_str;
653 zhandle->handle = point;
667 int bend_search(void *handle, bend_search_rr *rr)
679 Zfront_handle *zhandle = (Zfront_handle *)handle;
688 basenames = rr->basenames;
689 for (i = 0; i < rr->num_bases; i++)
691 av_push(aref, newSVpv(*basenames++, 0));
693 #if ENABLE_STOP_SERVER
694 if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
696 zhandle->stop_flag = 1;
700 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
701 if (rr->srw_sortKeys && *rr->srw_sortKeys)
702 hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
703 hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
704 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
705 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
706 hv_store(href, "HITS", 4, newSViv(0), 0);
707 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
708 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
709 hv_store(href, "PID", 3, newSViv(getpid()), 0);
710 if ((rpnSV = zquery2perl(rr->query)) != 0) {
711 hv_store(href, "RPN", 3, rpnSV, 0);
713 query = zquery2pquery(rr->query);
716 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
718 else if (rr->query->which == Z_Query_type_104 &&
719 rr->query->u.type_104->which == Z_External_CQL) {
720 hv_store(href, "CQL", 3,
721 newSVpv(rr->query->u.type_104->u.cql, 0), 0);
730 XPUSHs(sv_2mortal(newRV( (SV*) href)));
734 handler_cv = simpleserver_sv2cv( search_ref );
735 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
739 temp = hv_fetch(href, "HITS", 4, 1);
740 rr->hits = SvIV(*temp);
742 temp = hv_fetch(href, "ERR_CODE", 8, 1);
743 rr->errcode = SvIV(*temp);
745 temp = hv_fetch(href, "ERR_STR", 7, 1);
746 ptr = SvPV(*temp, len);
747 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
748 strcpy(ODR_errstr, ptr);
749 rr->errstring = ODR_errstr;
751 temp = hv_fetch(href, "HANDLE", 6, 1);
752 point = newSVsv(*temp);
757 zhandle->handle = point;
758 sv_free( (SV*) aref);
759 sv_free( (SV*) href);
761 wrbuf_free(query, 1);
769 /* ### this is worryingly similar to oid2str() */
770 WRBUF oid2dotted(int *oid)
773 WRBUF buf = wrbuf_alloc();
776 for (; *oid != -1 ; oid++)
781 wrbuf_putc(buf, '.');
787 sprintf(ibuf, "%d", *oid);
788 wrbuf_puts(buf, ibuf);
794 int dotted2oid(char *dotted, int *buffer)
808 if (n == MAX_OID) /* Terminate if more than MAX_OID entries */
814 sscanf(ibuf, "%d", oid++);
827 sscanf(ibuf, "%d", oid++);
834 int bend_fetch(void *handle, bend_fetch_rr *rr)
854 Zfront_handle *zhandle = (Zfront_handle *)handle;
857 Z_RecordComposition *composition;
858 Z_ElementSetNames *simple;
868 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
870 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
871 temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
872 if (rr->request_format_raw != 0) {
873 oid_dotted = oid2dotted(rr->request_format_raw);
875 /* Probably an SRU request: assume XML is required */
876 oid_dotted = wrbuf_alloc();
877 wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
879 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
880 hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
881 hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
882 hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
883 hv_store(href, "LAST", 4, newSViv(0), 0);
884 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
885 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
886 hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
887 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
888 hv_store(href, "PID", 3, newSViv(getpid()), 0);
891 composition = rr->comp;
892 if (composition->which == Z_RecordComp_simple)
894 simple = composition->u.simple;
895 if (simple->which == Z_ElementSetNames_generic)
897 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
904 else if (composition->which == Z_RecordComp_complex)
906 if (composition->u.complex->generic &&
908 composition->u.complex->generic &&
909 composition->u.complex->generic->elementSpec &&
910 composition->u.complex->generic->elementSpec->which ==
911 Z_ElementSpec_elementSetName)
913 complex = composition->u.complex;
914 hv_store(href, "COMP", 4,
915 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
919 #if 0 /* For now ignore this error, which is ubiquitous in SRU */
920 fprintf(stderr, "complex is weird\n");
935 XPUSHs(sv_2mortal(newRV( (SV*) href)));
939 handler_cv = simpleserver_sv2cv( fetch_ref );
940 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
944 temp = hv_fetch(href, "BASENAME", 8, 1);
945 basename = newSVsv(*temp);
947 temp = hv_fetch(href, "RECORD", 6, 1);
948 record = newSVsv(*temp);
950 temp = hv_fetch(href, "LAST", 4, 1);
951 last = newSVsv(*temp);
953 temp = hv_fetch(href, "ERR_CODE", 8, 1);
954 err_code = newSVsv(*temp);
956 temp = hv_fetch(href, "ERR_STR", 7, 1),
957 err_string = newSVsv(*temp);
959 temp = hv_fetch(href, "SUR_FLAG", 8, 1);
960 sur_flag = newSVsv(*temp);
962 temp = hv_fetch(href, "REP_FORM", 8, 1);
963 rep_form = newSVsv(*temp);
965 temp = hv_fetch(href, "SCHEMA", 6, 1);
967 schema = newSVsv(*temp);
968 ptr = SvPV(schema, length);
970 rr->schema = (char *)odr_malloc(rr->stream, length + 1);
971 strcpy(rr->schema, ptr);
975 temp = hv_fetch(href, "HANDLE", 6, 1);
976 point = newSVsv(*temp);
981 ptr = SvPV(basename, length);
982 ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
983 strcpy(ODR_basename, ptr);
984 rr->basename = ODR_basename;
986 ptr = SvPV(rep_form, length);
987 ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
988 if (dotted2oid(ptr, ODR_oid_buf) == -1) /* Maximum number of OID elements exceeded */
990 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
992 rr->output_format_raw = ODR_oid_buf;
994 ptr = SvPV(record, length);
995 oid = oid_getentbyoid(ODR_oid_buf);
996 if (oid->value == VAL_GRS1) /* Treat GRS-1 records separately */
998 rr->record = (char *) read_grs1(ptr, rr->stream);
1003 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
1004 strcpy(ODR_record, ptr);
1005 rr->record = ODR_record;
1008 zhandle->handle = point;
1010 rr->last_in_set = SvIV(last);
1014 rr->errcode = SvIV(err_code);
1015 ptr = SvPV(err_string, length);
1016 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
1017 strcpy(ODR_errstr, ptr);
1018 rr->errstring = ODR_errstr;
1020 rr->surrogate_flag = SvIV(sur_flag);
1022 wrbuf_free(oid_dotted, 1);
1023 sv_free((SV*) href);
1027 sv_free(err_string);
1041 int bend_present(void *handle, bend_present_rr *rr)
1050 Z_RecordComposition *composition;
1051 Z_ElementSetNames *simple;
1052 Z_CompSpec *complex;
1055 Zfront_handle *zhandle = (Zfront_handle *)handle;
1058 /* WRBUF oid_dotted; */
1065 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1066 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1067 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1068 hv_store(href, "START", 5, newSViv(rr->start), 0);
1069 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1070 hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1071 /*oid_dotted = oid2dotted(rr->request_format_raw);
1072 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1073 hv_store(href, "HITS", 4, newSViv(0), 0);
1074 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1077 composition = rr->comp;
1078 if (composition->which == Z_RecordComp_simple)
1080 simple = composition->u.simple;
1081 if (simple->which == Z_ElementSetNames_generic)
1083 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1091 else if (composition->which == Z_RecordComp_complex)
1093 if (composition->u.complex->generic &&
1095 composition->u.complex->generic &&
1096 composition->u.complex->generic->elementSpec &&
1097 composition->u.complex->generic->elementSpec->which ==
1098 Z_ElementSpec_elementSetName)
1100 complex = composition->u.complex;
1101 hv_store(href, "COMP", 4,
1102 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1119 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1123 handler_cv = simpleserver_sv2cv( present_ref );
1124 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1128 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1129 err_code = newSVsv(*temp);
1131 temp = hv_fetch(href, "ERR_STR", 7, 1);
1132 err_string = newSVsv(*temp);
1134 temp = hv_fetch(href, "HITS", 4, 1);
1135 hits = newSVsv(*temp);
1137 temp = hv_fetch(href, "HANDLE", 6, 1);
1138 point = newSVsv(*temp);
1145 rr->errcode = SvIV(err_code);
1146 rr->hits = SvIV(hits);
1148 ptr = SvPV(err_string, len);
1149 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1150 strcpy(ODR_errstr, ptr);
1151 rr->errstring = ODR_errstr;
1152 /* wrbuf_free(oid_dotted, 1);*/
1153 zhandle->handle = point;
1156 sv_free(err_string);
1158 sv_free( (SV*) href);
1164 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1166 perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1171 int bend_delete(void *handle, bend_delete_rr *rr)
1173 perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1178 int bend_scan(void *handle, bend_scan_rr *rr)
1185 struct scan_entry *scan_list;
1186 struct scan_entry *buffer;
1187 int *step_size = rr->step_size;
1191 SV *err_code = sv_newmortal();
1192 SV *err_str = sv_newmortal();
1193 SV *point = sv_newmortal();
1194 SV *status = sv_newmortal();
1195 SV *number = sv_newmortal();
1201 Zfront_handle *zhandle = (Zfront_handle *)handle;
1209 if (rr->term->term->which == Z_Term_general)
1211 term_len = rr->term->term->u.general->len;
1212 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1214 rr->errcode = 229; /* Unsupported term type */
1217 hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1218 hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1219 hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1220 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1221 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1222 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1223 hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1224 hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1226 basenames = rr->basenames;
1227 for (i = 0; i < rr->num_bases; i++)
1229 av_push(aref, newSVpv(*basenames++, 0));
1231 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1235 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1239 handler_cv = simpleserver_sv2cv( scan_ref );
1240 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1244 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1245 err_code = newSVsv(*temp);
1247 temp = hv_fetch(href, "ERR_STR", 7, 1);
1248 err_str = newSVsv(*temp);
1250 temp = hv_fetch(href, "HANDLE", 6, 1);
1251 point = newSVsv(*temp);
1253 temp = hv_fetch(href, "STATUS", 6, 1);
1254 status = newSVsv(*temp);
1256 temp = hv_fetch(href, "NUMBER", 6, 1);
1257 number = newSVsv(*temp);
1259 temp = hv_fetch(href, "ENTRIES", 7, 1);
1260 entries_ref = newSVsv(*temp);
1266 ptr = SvPV(err_str, len);
1267 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1268 strcpy(ODR_errstr, ptr);
1269 rr->errstring = ODR_errstr;
1270 rr->errcode = SvIV(err_code);
1271 rr->num_entries = SvIV(number);
1272 rr->status = SvIV(status);
1273 scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1275 entries = (AV *)SvRV(entries_ref);
1276 for (i = 0; i < rr->num_entries; i++)
1278 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1279 temp = hv_fetch(scan_item, "TERM", 4, 1);
1280 ptr = SvPV(*temp, len);
1281 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1282 strcpy(buffer->term, ptr);
1283 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1284 buffer->occurrences = SvIV(*temp);
1286 hv_undef(scan_item);
1288 rr->entries = scan_list;
1289 zhandle->handle = point;
1296 sv_free((SV *)href);
1298 sv_free((SV *)aref);
1300 sv_free((SV *)list);
1302 /*sv_free((SV *)entries);*/
1303 sv_free(entries_ref);
1308 int bend_explain(void *handle, bend_explain_rr *q)
1316 Zfront_handle *zhandle = (Zfront_handle *)handle;
1323 hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1324 hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1325 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1328 XPUSHs(sv_2mortal(newRV((SV*) href)));
1331 handler_cv = simpleserver_sv2cv(explain_ref);
1332 perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1336 temp = hv_fetch(href, "EXPLAIN", 7, 1);
1337 explainsv = newSVsv(*temp);
1343 explain = SvPV(explainsv, len);
1344 q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1345 strcpy(q->explain_buf, explain);
1350 bend_initresult *bend_init(bend_initrequest *q)
1352 int dummy = simpleserver_clone();
1353 bend_initresult *r = (bend_initresult *)
1354 odr_malloc (q->stream, sizeof(*r));
1359 NMEM nmem = nmem_create();
1360 Zfront_handle *zhandle = (Zfront_handle *) nmem_malloc (nmem,
1369 zhandle->nmem = nmem;
1370 zhandle->stop_flag = 0;
1374 q->bend_sort = bend_sort;
1378 q->bend_search = bend_search;
1382 q->bend_present = bend_present;
1384 /*q->bend_esrequest = bend_esrequest;*/
1385 /*q->bend_delete = bend_delete;*/
1388 q->bend_fetch = bend_fetch;
1392 q->bend_scan = bend_scan;
1396 q->bend_explain = bend_explain;
1400 hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1401 hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1402 hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1403 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1404 hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1405 hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1406 hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1407 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1410 char *passwd = NULL;
1411 if (q->auth->which == Z_IdAuthentication_open) {
1413 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1414 cp = strchr (user, '/');
1416 /* password after / given */
1420 } else if (q->auth->which == Z_IdAuthentication_idPass) {
1421 user = q->auth->u.idPass->userId;
1422 passwd = q->auth->u.idPass->password;
1424 /* ### some code paths have user/password unassigned here */
1426 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1428 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1433 XPUSHs(sv_2mortal(newRV((SV*) href)));
1437 if (init_ref != NULL)
1439 handler_cv = simpleserver_sv2cv( init_ref );
1440 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1445 temp = hv_fetch(href, "IMP_ID", 6, 1);
1446 ptr = SvPV(*temp, len);
1447 q->implementation_id = nmem_strdup(nmem, ptr);
1449 temp = hv_fetch(href, "IMP_NAME", 8, 1);
1450 ptr = SvPV(*temp, len);
1451 q->implementation_name = nmem_strdup(nmem, ptr);
1453 temp = hv_fetch(href, "IMP_VER", 7, 1);
1454 ptr = SvPV(*temp, len);
1455 q->implementation_version = nmem_strdup(nmem, ptr);
1457 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1458 r->errcode = SvIV(*temp);
1460 temp = hv_fetch(href, "ERR_STR", 7, 1);
1461 ptr = SvPV(*temp, len);
1462 r->errstring = (char *)odr_malloc(q->stream, len + 1);
1463 strcpy(r->errstring, ptr);
1465 temp = hv_fetch(href, "HANDLE", 6, 1);
1466 handle= newSVsv(*temp);
1467 zhandle->handle = handle;
1469 r->handle = zhandle;
1472 sv_free((SV*) href);
1481 void bend_close(void *handle)
1484 Zfront_handle *zhandle = (Zfront_handle *)handle;
1494 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1498 XPUSHs(sv_2mortal(newRV((SV *)href)));
1502 handler_cv = simpleserver_sv2cv( close_ref );
1503 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1507 sv_free((SV*) href);
1510 sv_free(zhandle->handle);
1514 stop_flag = zhandle->stop_flag;
1515 nmem_destroy(zhandle->nmem);
1516 simpleserver_free();
1524 MODULE = Net::Z3950::SimpleServer PACKAGE = Net::Z3950::SimpleServer
1530 set_init_handler(arg)
1533 init_ref = newSVsv(arg);
1537 set_close_handler(arg)
1540 close_ref = newSVsv(arg);
1544 set_sort_handler(arg)
1547 sort_ref = newSVsv(arg);
1550 set_search_handler(arg)
1553 search_ref = newSVsv(arg);
1557 set_fetch_handler(arg)
1560 fetch_ref = newSVsv(arg);
1564 set_present_handler(arg)
1567 present_ref = newSVsv(arg);
1571 set_esrequest_handler(arg)
1574 esrequest_ref = newSVsv(arg);
1578 set_delete_handler(arg)
1581 delete_ref = newSVsv(arg);
1585 set_scan_handler(arg)
1588 scan_ref = newSVsv(arg);
1591 set_explain_handler(arg)
1594 explain_ref = newSVsv(arg);
1605 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1607 for (i = 0; i < items; i++)
1609 ptr = SvPV(ST(i), len);
1610 *argv_buf = (char *)xmalloc(len + 1);
1611 strcpy(*argv_buf++, ptr);
1614 root_perl_context = PERL_GET_CONTEXT;
1615 nmem_mutex_create(&simpleserver_mutex);
1617 /* only for debugging perl_clone .. */
1621 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1629 RETVAL = BEND_SCAN_SUCCESS;
1636 RETVAL = BEND_SCAN_PARTIAL;
1647 ptr = SvPV(arg, len);
1648 yaz_log(YLOG_LOG, "%.*s", len, ptr);