2 * $Id: SimpleServer.xs,v 1.56 2007-03-05 11:47:16 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>
38 #include <yaz/querytowrbuf.h>
46 #define GRS_MAX_FIELDS 500
50 #ifndef sv_undef /* To fix the problem with Perl 5.6.0 */
51 #define sv_undef PL_sv_undef
54 NMEM_MUTEX simpleserver_mutex;
70 int stop_flag; /* is used to stop server prematurely .. */
73 #define ENABLE_STOP_SERVER 0
78 SV *search_ref = NULL;
80 SV *present_ref = NULL;
81 SV *esrequest_ref = NULL;
82 SV *delete_ref = NULL;
84 SV *explain_ref = NULL;
85 PerlInterpreter *root_perl_context;
88 #define GRS_BUF_SIZE 8192
90 CV * simpleserver_sv2cv(SV *handler) {
96 buf = SvPV( handler, len);
97 if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
98 fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
104 return (CV *) handler;
108 /* debugging routine to check for destruction of Perl interpreters */
110 void tst_clones(void)
113 PerlInterpreter *parent = PERL_GET_CONTEXT;
114 for (i = 0; i<5000; i++)
116 PerlInterpreter *perl_interp;
118 PERL_SET_CONTEXT(parent);
119 PL_perl_destruct_level = 2;
120 perl_interp = perl_clone(parent, CLONEf_CLONE_HOST);
121 PL_perl_destruct_level = 2;
122 PERL_SET_CONTEXT(perl_interp);
123 perl_destruct(perl_interp);
124 perl_free(perl_interp);
130 int simpleserver_clone(void) {
132 nmem_mutex_enter(simpleserver_mutex);
135 PerlInterpreter *current = PERL_GET_CONTEXT;
137 /* if current is unset, then we're in a new thread with
138 * no Perl interpreter for it. So we must create one .
139 * This will only happen when threaded is used..
142 PerlInterpreter *perl_interp;
143 PERL_SET_CONTEXT( root_perl_context );
144 perl_interp = perl_clone(root_perl_context, CLONEf_CLONE_HOST);
145 PERL_SET_CONTEXT( perl_interp );
148 nmem_mutex_leave(simpleserver_mutex);
154 void simpleserver_free(void) {
155 nmem_mutex_enter(simpleserver_mutex);
158 PerlInterpreter *current_interp = PERL_GET_CONTEXT;
160 /* If current Perl Interp is different from root interp, then
161 * we're in threaded mode and we must destroy..
163 if (current_interp != root_perl_context) {
164 PL_perl_destruct_level = 2;
165 PERL_SET_CONTEXT(current_interp);
166 perl_destruct(current_interp);
167 perl_free(current_interp);
170 nmem_mutex_leave(simpleserver_mutex);
174 Z_GenericRecord *read_grs1(char *str, ODR o)
177 char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
178 char value[GRS_BUF_SIZE+1];
179 Z_GenericRecord *r = 0;
182 r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
183 r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
192 ptr = strchr(str, '\n');
197 if (len > GRS_BUF_SIZE) {
198 yaz_log(YLOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
201 strncpy(line, str, len);
205 while (*buf && isspace(*buf))
208 memmove(original, str, strlen(str));
211 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
213 yaz_log(YLOG_WARN, "Bad data in '%s'", buf);
216 if (!type && *value == '0')
218 if (!(buf = strchr(buf, ')')))
221 while (*buf && isspace(*buf))
223 if (r->num_elements >= GRS_MAX_FIELDS)
225 yaz_log(YLOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
228 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
229 t->tagType = (int *)odr_malloc(o, sizeof(int));
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 = (int *)odr_malloc(o, sizeof(int));
237 *t->tagValue->u.numeric = ivalue;
241 t->tagValue->which = Z_StringOrNumeric_string;
242 t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
243 strcpy(t->tagValue->u.string, value);
245 t->tagOccurrence = 0;
247 t->appliedVariant = 0;
248 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
251 c->which = Z_ElementData_subtree;
252 c->u.subtree = read_grs1(str, o);
256 c->which = Z_ElementData_string;
257 c->u.string = odr_strdup(o, buf);
266 static void oid2str(Odr_oid *o, WRBUF buf)
268 for (; *o >= 0; o++) {
270 sprintf(ibuf, "%d", *o);
271 wrbuf_puts(buf, ibuf);
273 wrbuf_putc(buf, '.');
278 WRBUF zquery2pquery(Z_Query *q)
280 WRBUF buf = wrbuf_alloc();
282 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
284 yaz_rpnquery_to_wrbuf(buf, q->u.type_1);
289 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
291 void fatal(char *fmt, ...)
295 fprintf(stderr, "FATAL (SimpleServer): ");
297 vfprintf(stderr, fmt, ap);
299 fprintf(stderr, "\n");
304 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
306 * Creates a new Perl object of type `class'; the newly-created scalar
307 * that is a reference to the blessed thingy `referent' is returned.
309 static SV *newObject(char *class, SV *referent)
314 sv = newRV_noinc((SV*) referent);
315 stash = gv_stashpv(class, 0);
317 fatal("attempt to create object of undefined class '%s'", class);
318 /*assert(stash != 0);*/
324 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
325 static void setMember(HV *hv, char *name, SV *val)
327 /* We don't increment `val's reference count -- I think this is
328 * right because it's created with a refcount of 1, and in fact
329 * the reference via this hash is the only reference to it in
332 if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
333 fatal("couldn't store member in hash");
337 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
338 static SV *translateOID(Odr_oid *x)
340 /* Yaz represents an OID by an int array terminated by a negative
341 * value, typically -1; we represent it as a reference to a
342 * blessed scalar string of "."-separated elements.
348 for (i = 0; x[i] >= 0; i++) {
349 sprintf(buf + strlen(buf), "%d", (int) x[i]);
355 * ### We'd like to return a blessed scalar (string) here, but of
356 * course you can't do that in Perl: only references can be
357 * blessed, so we'd have to return a _reference_ to a string, and
358 * bless _that_. Better to do without the blessing, I think.
361 return newSVpv(buf, 0);
363 return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
368 static SV *rpn2perl(Z_RPNStructure *s)
375 case Z_RPNStructure_simple: {
376 Z_Operand *o = s->u.simple;
377 Z_AttributesPlusTerm *at;
378 if (o->which == Z_Operand_resultSetId) {
380 /* This code causes a SIGBUS on my machine, and I have no
381 idea why. It seems as clear as day to me */
382 char *rsid = (char*) o->u.resultSetId;
383 printf("Encoding resultSetId '%s'\n", rsid);
384 sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
385 printf("Made sv=0x%lx, hv=0x%lx\n",
386 (unsigned long) sv ,(unsigned long) hv);
387 sv2 = newSVpv(rsid, strlen(rsid));
388 setMember(hv, "id", sv2);
389 printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
392 if (o->which != Z_Operand_APT)
393 fatal("can't handle RPN simples other than APT and RSID");
394 at = o->u.attributesPlusTerm;
395 if (at->term->which != Z_Term_general)
396 fatal("can't handle RPN terms other than general");
398 sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
399 if (at->attributes) {
401 SV *attrs = newObject("Net::Z3950::RPN::Attributes",
402 (SV*) (av = newAV()));
403 for (i = 0; i < at->attributes->num_attributes; i++) {
404 Z_AttributeElement *elem = at->attributes->attributes[i];
406 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
407 (SV*) (hv2 = newHV()));
408 if (elem->attributeSet)
409 setMember(hv2, "attributeSet",
410 translateOID(elem->attributeSet));
411 setMember(hv2, "attributeType",
412 newSViv(*elem->attributeType));
413 assert(elem->which == Z_AttributeValue_numeric);
414 setMember(hv2, "attributeValue",
415 newSViv(*elem->value.numeric));
418 setMember(hv, "attributes", attrs);
420 setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
421 at->term->u.general->len));
424 case Z_RPNStructure_complex: {
426 Z_Complex *c = s->u.complex;
427 char *type = 0; /* vacuous assignment satisfies gcc -Wall */
428 switch (c->roperator->which) {
429 case Z_Operator_and: type = "Net::Z3950::RPN::And"; break;
430 case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break;
431 case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
432 case Z_Operator_prox: fatal("proximity not yet supported");
433 default: fatal("unknown RPN operator %d", (int) c->roperator->which);
435 sv = newObject(type, (SV*) (av = newAV()));
436 if ((tmp = rpn2perl(c->s1)) == 0)
439 if ((tmp = rpn2perl(c->s2)) == 0)
444 default: fatal("unknown RPN node type %d", (int) s->which);
451 /* Decode the Z_SortAttributes struct and store the whole thing into the
454 int simpleserver_ExpandSortAttributes (HV *sort_spec, Z_SortAttributes *sattr)
456 WRBUF attrset_wr = wrbuf_alloc();
458 Z_AttributeList *attr_list = sattr->list;
461 oid2str(sattr->id, attrset_wr);
462 hv_store(sort_spec, "ATTRSET", 7,
463 newSVpv(attrset_wr->buf, attrset_wr->pos), 0);
464 wrbuf_free(attrset_wr, 1);
466 hv_store(sort_spec, "SORT_ATTR", 9, newRV( sv_2mortal( (SV*) list ) ), 0);
468 for (i = 0; i < attr_list->num_attributes; i++)
470 Z_AttributeElement *attr = *attr_list->attributes++;
471 HV *attr_spec = newHV();
473 av_push(list, newRV( sv_2mortal( (SV*) attr_spec ) ));
474 hv_store(attr_spec, "ATTR_TYPE", 9, newSViv(*attr->attributeType), 0);
476 if (attr->which == Z_AttributeValue_numeric)
478 hv_store(attr_spec, "ATTR_VALUE", 10,
479 newSViv(*attr->value.numeric), 0);
489 /* Decode the Z_SortKeySpec struct and store the whole thing in a perl hash */
490 int simpleserver_SortKeySpecToHash (HV *sort_spec, Z_SortKeySpec *spec)
492 Z_SortElement *element = spec->sortElement;
494 hv_store(sort_spec, "RELATION", 8, newSViv(*spec->sortRelation), 0);
495 hv_store(sort_spec, "CASE", 4, newSViv(*spec->caseSensitivity), 0);
496 hv_store(sort_spec, "MISSING", 7, newSViv(spec->which), 0);
498 if (element->which == Z_SortElement_generic)
500 Z_SortKey *key = element->u.generic;
502 if (key->which == Z_SortKey_sortField)
504 hv_store(sort_spec, "SORTFIELD", 9,
505 newSVpv((char *) key->u.sortField, 0), 0);
507 else if (key->which == Z_SortKey_elementSpec)
509 Z_Specification *zspec = key->u.elementSpec;
511 hv_store(sort_spec, "ELEMENTSPEC_TYPE", 16,
512 newSViv(zspec->which), 0);
514 if (zspec->which == Z_Schema_oid)
516 WRBUF elementSpec = wrbuf_alloc();
518 oid2str(zspec->schema.oid, elementSpec);
519 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
520 newSVpv(elementSpec->buf, elementSpec->pos), 0);
521 wrbuf_free(elementSpec, 1);
523 else if (zspec->which == Z_Schema_uri)
525 hv_store(sort_spec, "ELEMENTSPEC_VALUE", 17,
526 newSVpv((char *) zspec->schema.uri, 0), 0);
529 else if (key->which == Z_SortKey_sortAttributes)
531 return simpleserver_ExpandSortAttributes(sort_spec,
532 key->u.sortAttributes);
548 static SV *zquery2perl(Z_Query *q)
553 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
555 sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
556 if (q->u.type_1->attributeSetId)
557 setMember(hv, "attributeSet",
558 translateOID(q->u.type_1->attributeSetId));
559 setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
564 int bend_sort(void *handle, bend_sort_rr *rr)
577 char **input_setnames;
578 Zfront_handle *zhandle = (Zfront_handle *)handle;
579 Z_SortKeySpecList *sort_spec = rr->sort_sequence;
587 input_setnames = rr->input_setnames;
588 for (i = 0; i < rr->num_input_setnames; i++)
590 av_push(aref, newSVpv(*input_setnames++, 0));
594 for (i = 0; i < sort_spec->num_specs; i++)
596 Z_SortKeySpec *spec = *sort_spec->specs++;
597 HV *sort_spec = newHV();
599 if ( simpleserver_SortKeySpecToHash(sort_spec, spec) )
600 av_push(sort_seq, newRV( sv_2mortal( (SV*) sort_spec ) ));
609 hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
610 hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
611 hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0);
612 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
613 hv_store(href, "STATUS", 6, newSViv(0), 0);
614 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
615 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
619 XPUSHs(sv_2mortal(newRV( (SV*) href)));
623 perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
627 temp = hv_fetch(href, "ERR_CODE", 8, 1);
628 err_code = newSVsv(*temp);
630 temp = hv_fetch(href, "ERR_STR", 7, 1);
631 err_str = newSVsv(*temp);
633 temp = hv_fetch(href, "STATUS", 6, 1);
634 status = newSVsv(*temp);
636 temp = hv_fetch(href, "HANDLE", 6, 1);
637 point = newSVsv(*temp);
643 sv_free( (SV*) aref);
644 sv_free( (SV*) href);
645 sv_free( (SV*) sort_seq);
647 rr->errcode = SvIV(err_code);
648 rr->sort_status = SvIV(status);
650 ptr = SvPV(err_str, len);
651 ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
652 strcpy(ODR_err_str, ptr);
653 rr->errstring = ODR_err_str;
654 zhandle->handle = point;
668 int bend_search(void *handle, bend_search_rr *rr)
680 Zfront_handle *zhandle = (Zfront_handle *)handle;
689 basenames = rr->basenames;
690 for (i = 0; i < rr->num_bases; i++)
692 av_push(aref, newSVpv(*basenames++, 0));
694 #if ENABLE_STOP_SERVER
695 if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
697 zhandle->stop_flag = 1;
701 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
702 if (rr->srw_sortKeys && *rr->srw_sortKeys)
703 hv_store(href, "SRW_SORTKEYS", 12, newSVpv(rr->srw_sortKeys, 0), 0);
704 hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
705 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
706 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
707 hv_store(href, "HITS", 4, newSViv(0), 0);
708 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
709 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
710 hv_store(href, "PID", 3, newSViv(getpid()), 0);
711 if ((rpnSV = zquery2perl(rr->query)) != 0) {
712 hv_store(href, "RPN", 3, rpnSV, 0);
714 query = zquery2pquery(rr->query);
717 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
719 else if (rr->query->which == Z_Query_type_104 &&
720 rr->query->u.type_104->which == Z_External_CQL) {
721 hv_store(href, "CQL", 3,
722 newSVpv(rr->query->u.type_104->u.cql, 0), 0);
731 XPUSHs(sv_2mortal(newRV( (SV*) href)));
735 handler_cv = simpleserver_sv2cv( search_ref );
736 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
740 temp = hv_fetch(href, "HITS", 4, 1);
741 rr->hits = SvIV(*temp);
743 temp = hv_fetch(href, "ERR_CODE", 8, 1);
744 rr->errcode = SvIV(*temp);
746 temp = hv_fetch(href, "ERR_STR", 7, 1);
747 ptr = SvPV(*temp, len);
748 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
749 strcpy(ODR_errstr, ptr);
750 rr->errstring = ODR_errstr;
752 temp = hv_fetch(href, "HANDLE", 6, 1);
753 point = newSVsv(*temp);
758 zhandle->handle = point;
759 sv_free( (SV*) aref);
760 sv_free( (SV*) href);
762 wrbuf_free(query, 1);
770 /* ### this is worryingly similar to oid2str() */
771 WRBUF oid2dotted(int *oid)
774 WRBUF buf = wrbuf_alloc();
777 for (; *oid != -1 ; oid++)
782 wrbuf_putc(buf, '.');
788 sprintf(ibuf, "%d", *oid);
789 wrbuf_puts(buf, ibuf);
795 int dotted2oid(char *dotted, int *buffer)
809 if (n == MAX_OID) /* Terminate if more than MAX_OID entries */
815 sscanf(ibuf, "%d", oid++);
828 sscanf(ibuf, "%d", oid++);
835 int bend_fetch(void *handle, bend_fetch_rr *rr)
855 Zfront_handle *zhandle = (Zfront_handle *)handle;
858 Z_RecordComposition *composition;
859 Z_ElementSetNames *simple;
869 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
871 hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0);
872 temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
873 if (rr->request_format_raw != 0) {
874 oid_dotted = oid2dotted(rr->request_format_raw);
876 /* Probably an SRU request: assume XML is required */
877 oid_dotted = wrbuf_alloc();
878 wrbuf_puts(oid_dotted, "1.2.840.10003.5.109.10");
880 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
881 hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
882 hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
883 hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
884 hv_store(href, "LAST", 4, newSViv(0), 0);
885 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
886 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
887 hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
888 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
889 hv_store(href, "PID", 3, newSViv(getpid()), 0);
892 composition = rr->comp;
893 if (composition->which == Z_RecordComp_simple)
895 simple = composition->u.simple;
896 if (simple->which == Z_ElementSetNames_generic)
898 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
905 else if (composition->which == Z_RecordComp_complex)
907 if (composition->u.complex->generic &&
909 composition->u.complex->generic &&
910 composition->u.complex->generic->elementSpec &&
911 composition->u.complex->generic->elementSpec->which ==
912 Z_ElementSpec_elementSetName)
914 complex = composition->u.complex;
915 hv_store(href, "COMP", 4,
916 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
920 #if 0 /* For now ignore this error, which is ubiquitous in SRU */
921 fprintf(stderr, "complex is weird\n");
936 XPUSHs(sv_2mortal(newRV( (SV*) href)));
940 handler_cv = simpleserver_sv2cv( fetch_ref );
941 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
945 temp = hv_fetch(href, "BASENAME", 8, 1);
946 basename = newSVsv(*temp);
948 temp = hv_fetch(href, "RECORD", 6, 1);
949 record = newSVsv(*temp);
951 temp = hv_fetch(href, "LAST", 4, 1);
952 last = newSVsv(*temp);
954 temp = hv_fetch(href, "ERR_CODE", 8, 1);
955 err_code = newSVsv(*temp);
957 temp = hv_fetch(href, "ERR_STR", 7, 1),
958 err_string = newSVsv(*temp);
960 temp = hv_fetch(href, "SUR_FLAG", 8, 1);
961 sur_flag = newSVsv(*temp);
963 temp = hv_fetch(href, "REP_FORM", 8, 1);
964 rep_form = newSVsv(*temp);
966 temp = hv_fetch(href, "SCHEMA", 6, 1);
968 schema = newSVsv(*temp);
969 ptr = SvPV(schema, length);
971 rr->schema = (char *)odr_malloc(rr->stream, length + 1);
972 strcpy(rr->schema, ptr);
976 temp = hv_fetch(href, "HANDLE", 6, 1);
977 point = newSVsv(*temp);
982 ptr = SvPV(basename, length);
983 ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
984 strcpy(ODR_basename, ptr);
985 rr->basename = ODR_basename;
987 ptr = SvPV(rep_form, length);
988 ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
989 if (dotted2oid(ptr, ODR_oid_buf) == -1) /* Maximum number of OID elements exceeded */
991 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
993 rr->output_format_raw = ODR_oid_buf;
995 ptr = SvPV(record, length);
996 oid = oid_getentbyoid(ODR_oid_buf);
997 if (oid->value == VAL_GRS1) /* Treat GRS-1 records separately */
999 rr->record = (char *) read_grs1(ptr, rr->stream);
1004 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
1005 strcpy(ODR_record, ptr);
1006 rr->record = ODR_record;
1009 zhandle->handle = point;
1011 rr->last_in_set = SvIV(last);
1015 rr->errcode = SvIV(err_code);
1016 ptr = SvPV(err_string, length);
1017 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
1018 strcpy(ODR_errstr, ptr);
1019 rr->errstring = ODR_errstr;
1021 rr->surrogate_flag = SvIV(sur_flag);
1023 wrbuf_free(oid_dotted, 1);
1024 sv_free((SV*) href);
1028 sv_free(err_string);
1044 int bend_present(void *handle, bend_present_rr *rr)
1053 Z_RecordComposition *composition;
1054 Z_ElementSetNames *simple;
1055 Z_CompSpec *complex;
1058 Zfront_handle *zhandle = (Zfront_handle *)handle;
1061 /* WRBUF oid_dotted; */
1068 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1069 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1070 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1071 hv_store(href, "START", 5, newSViv(rr->start), 0);
1072 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
1073 hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
1074 /*oid_dotted = oid2dotted(rr->request_format_raw);
1075 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
1076 hv_store(href, "HITS", 4, newSViv(0), 0);
1077 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1080 composition = rr->comp;
1081 if (composition->which == Z_RecordComp_simple)
1083 simple = composition->u.simple;
1084 if (simple->which == Z_ElementSetNames_generic)
1086 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
1094 else if (composition->which == Z_RecordComp_complex)
1096 if (composition->u.complex->generic &&
1098 composition->u.complex->generic &&
1099 composition->u.complex->generic->elementSpec &&
1100 composition->u.complex->generic->elementSpec->which ==
1101 Z_ElementSpec_elementSetName)
1103 complex = composition->u.complex;
1104 hv_store(href, "COMP", 4,
1105 newSVpv(complex->generic->elementSpec->u.elementSetName, 0), 0);
1122 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1126 handler_cv = simpleserver_sv2cv( present_ref );
1127 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1131 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1132 err_code = newSVsv(*temp);
1134 temp = hv_fetch(href, "ERR_STR", 7, 1);
1135 err_string = newSVsv(*temp);
1137 temp = hv_fetch(href, "HITS", 4, 1);
1138 hits = newSVsv(*temp);
1140 temp = hv_fetch(href, "HANDLE", 6, 1);
1141 point = newSVsv(*temp);
1148 rr->errcode = SvIV(err_code);
1149 rr->hits = SvIV(hits);
1151 ptr = SvPV(err_string, len);
1152 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1153 strcpy(ODR_errstr, ptr);
1154 rr->errstring = ODR_errstr;
1155 /* wrbuf_free(oid_dotted, 1);*/
1156 zhandle->handle = point;
1159 sv_free(err_string);
1161 sv_free( (SV*) href);
1167 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1169 perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1174 int bend_delete(void *handle, bend_delete_rr *rr)
1176 perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1181 int bend_scan(void *handle, bend_scan_rr *rr)
1188 struct scan_entry *scan_list;
1189 struct scan_entry *buffer;
1190 int *step_size = rr->step_size;
1194 SV *err_code = sv_newmortal();
1195 SV *err_str = sv_newmortal();
1196 SV *point = sv_newmortal();
1197 SV *status = sv_newmortal();
1198 SV *number = sv_newmortal();
1204 Zfront_handle *zhandle = (Zfront_handle *)handle;
1212 if (rr->term->term->which == Z_Term_general)
1214 term_len = rr->term->term->u.general->len;
1215 hv_store(href, "TERM", 4, newSVpv((char*) rr->term->term->u.general->buf, term_len), 0);
1217 rr->errcode = 229; /* Unsupported term type */
1220 hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1221 hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1222 hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1223 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1224 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1225 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1226 hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1227 hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1229 basenames = rr->basenames;
1230 for (i = 0; i < rr->num_bases; i++)
1232 av_push(aref, newSVpv(*basenames++, 0));
1234 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1238 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1242 handler_cv = simpleserver_sv2cv( scan_ref );
1243 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1247 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1248 err_code = newSVsv(*temp);
1250 temp = hv_fetch(href, "ERR_STR", 7, 1);
1251 err_str = newSVsv(*temp);
1253 temp = hv_fetch(href, "HANDLE", 6, 1);
1254 point = newSVsv(*temp);
1256 temp = hv_fetch(href, "STATUS", 6, 1);
1257 status = newSVsv(*temp);
1259 temp = hv_fetch(href, "NUMBER", 6, 1);
1260 number = newSVsv(*temp);
1262 temp = hv_fetch(href, "ENTRIES", 7, 1);
1263 entries_ref = newSVsv(*temp);
1269 ptr = SvPV(err_str, len);
1270 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1271 strcpy(ODR_errstr, ptr);
1272 rr->errstring = ODR_errstr;
1273 rr->errcode = SvIV(err_code);
1274 rr->num_entries = SvIV(number);
1275 rr->status = SvIV(status);
1276 scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1278 entries = (AV *)SvRV(entries_ref);
1279 for (i = 0; i < rr->num_entries; i++)
1281 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1282 temp = hv_fetch(scan_item, "TERM", 4, 1);
1283 ptr = SvPV(*temp, len);
1284 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1285 strcpy(buffer->term, ptr);
1286 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1287 buffer->occurrences = SvIV(*temp);
1289 hv_undef(scan_item);
1291 rr->entries = scan_list;
1292 zhandle->handle = point;
1299 sv_free((SV *)href);
1301 sv_free((SV *)aref);
1303 sv_free((SV *)list);
1305 /*sv_free((SV *)entries);*/
1306 sv_free(entries_ref);
1311 int bend_explain(void *handle, bend_explain_rr *q)
1319 Zfront_handle *zhandle = (Zfront_handle *)handle;
1326 hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
1327 hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
1328 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1331 XPUSHs(sv_2mortal(newRV((SV*) href)));
1334 handler_cv = simpleserver_sv2cv(explain_ref);
1335 perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
1339 temp = hv_fetch(href, "EXPLAIN", 7, 1);
1340 explainsv = newSVsv(*temp);
1346 explain = SvPV(explainsv, len);
1347 q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
1348 strcpy(q->explain_buf, explain);
1353 bend_initresult *bend_init(bend_initrequest *q)
1355 int dummy = simpleserver_clone();
1356 bend_initresult *r = (bend_initresult *)
1357 odr_malloc (q->stream, sizeof(*r));
1362 NMEM nmem = nmem_create();
1363 Zfront_handle *zhandle = (Zfront_handle *) nmem_malloc (nmem,
1372 zhandle->nmem = nmem;
1373 zhandle->stop_flag = 0;
1377 q->bend_sort = bend_sort;
1381 q->bend_search = bend_search;
1385 q->bend_present = bend_present;
1387 /*q->bend_esrequest = bend_esrequest;*/
1388 /*q->bend_delete = bend_delete;*/
1391 q->bend_fetch = bend_fetch;
1395 q->bend_scan = bend_scan;
1399 q->bend_explain = bend_explain;
1403 hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1404 hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1405 hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1406 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1407 hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1408 hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1409 hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1410 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1413 char *passwd = NULL;
1414 if (q->auth->which == Z_IdAuthentication_open) {
1416 user = nmem_strdup (odr_getmem (q->stream), q->auth->u.open);
1417 cp = strchr (user, '/');
1419 /* password after / given */
1423 } else if (q->auth->which == Z_IdAuthentication_idPass) {
1424 user = q->auth->u.idPass->userId;
1425 passwd = q->auth->u.idPass->password;
1427 /* ### some code paths have user/password unassigned here */
1429 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1431 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1436 XPUSHs(sv_2mortal(newRV((SV*) href)));
1440 if (init_ref != NULL)
1442 handler_cv = simpleserver_sv2cv( init_ref );
1443 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1448 temp = hv_fetch(href, "IMP_ID", 6, 1);
1449 ptr = SvPV(*temp, len);
1450 q->implementation_id = nmem_strdup(nmem, ptr);
1452 temp = hv_fetch(href, "IMP_NAME", 8, 1);
1453 ptr = SvPV(*temp, len);
1454 q->implementation_name = nmem_strdup(nmem, ptr);
1456 temp = hv_fetch(href, "IMP_VER", 7, 1);
1457 ptr = SvPV(*temp, len);
1458 q->implementation_version = nmem_strdup(nmem, ptr);
1460 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1461 r->errcode = SvIV(*temp);
1463 temp = hv_fetch(href, "ERR_STR", 7, 1);
1464 ptr = SvPV(*temp, len);
1465 r->errstring = (char *)odr_malloc(q->stream, len + 1);
1466 strcpy(r->errstring, ptr);
1468 temp = hv_fetch(href, "HANDLE", 6, 1);
1469 handle= newSVsv(*temp);
1470 zhandle->handle = handle;
1472 r->handle = zhandle;
1475 sv_free((SV*) href);
1484 void bend_close(void *handle)
1487 Zfront_handle *zhandle = (Zfront_handle *)handle;
1497 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1501 XPUSHs(sv_2mortal(newRV((SV *)href)));
1505 handler_cv = simpleserver_sv2cv( close_ref );
1506 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1510 sv_free((SV*) href);
1513 sv_free(zhandle->handle);
1517 stop_flag = zhandle->stop_flag;
1518 nmem_destroy(zhandle->nmem);
1519 simpleserver_free();
1527 MODULE = Net::Z3950::SimpleServer PACKAGE = Net::Z3950::SimpleServer
1533 set_init_handler(arg)
1536 init_ref = newSVsv(arg);
1540 set_close_handler(arg)
1543 close_ref = newSVsv(arg);
1547 set_sort_handler(arg)
1550 sort_ref = newSVsv(arg);
1553 set_search_handler(arg)
1556 search_ref = newSVsv(arg);
1560 set_fetch_handler(arg)
1563 fetch_ref = newSVsv(arg);
1567 set_present_handler(arg)
1570 present_ref = newSVsv(arg);
1574 set_esrequest_handler(arg)
1577 esrequest_ref = newSVsv(arg);
1581 set_delete_handler(arg)
1584 delete_ref = newSVsv(arg);
1588 set_scan_handler(arg)
1591 scan_ref = newSVsv(arg);
1594 set_explain_handler(arg)
1597 explain_ref = newSVsv(arg);
1608 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1610 for (i = 0; i < items; i++)
1612 ptr = SvPV(ST(i), len);
1613 *argv_buf = (char *)xmalloc(len + 1);
1614 strcpy(*argv_buf++, ptr);
1617 root_perl_context = PERL_GET_CONTEXT;
1618 nmem_mutex_create(&simpleserver_mutex);
1620 /* only for debugging perl_clone .. */
1624 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1632 RETVAL = BEND_SCAN_SUCCESS;
1639 RETVAL = BEND_SCAN_PARTIAL;
1650 ptr = SvPV(arg, len);
1651 yaz_log(YLOG_LOG, "%.*s", len, ptr);