2 * $Id: SimpleServer.xs,v 1.30 2004-06-05 23:09:04 adam 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;
68 int stop_flag; /* is used to stop server prematurely .. */
71 #define ENABLE_STOP_SERVER 0
76 SV *search_ref = NULL;
78 SV *present_ref = NULL;
79 SV *esrequest_ref = NULL;
80 SV *delete_ref = NULL;
82 PerlInterpreter *root_perl_context;
85 #define GRS_BUF_SIZE 512
87 CV * simpleserver_sv2cv(SV *handler) {
93 buf = SvPV( handler, len);
94 if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
95 fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
101 return (CV *) handler;
105 /* debugging routine to check for destruction of Perl interpreters */
110 PerlInterpreter *parent = PERL_GET_CONTEXT;
111 for (i = 0; i<500; i++)
113 PerlInterpreter *perl_interp;
115 PL_perl_destruct_level = 2;
116 perl_interp = perl_clone(parent, 0);
117 PL_perl_destruct_level = 2;
118 perl_destruct(perl_interp);
119 perl_free(perl_interp);
125 int simpleserver_clone(void) {
127 nmem_mutex_enter(simpleserver_mutex);
130 PerlInterpreter *current = PERL_GET_CONTEXT;
132 /* if current is unset, then we're in a new thread with
133 * no Perl interpreter for it. So we must create one .
134 * This will only happen when threaded is used..
137 PerlInterpreter *perl_interp;
138 PERL_SET_CONTEXT( root_perl_context );
139 perl_interp = perl_clone(root_perl_context, 0);
140 PERL_SET_CONTEXT( perl_interp );
143 nmem_mutex_leave(simpleserver_mutex);
149 void simpleserver_free(void) {
150 nmem_mutex_enter(simpleserver_mutex);
153 PerlInterpreter *current_interp = PERL_GET_CONTEXT;
155 /* If current Perl Interp is different from root interp, then
156 * we're in threaded mode and we must destroy..
158 if (current_interp != root_perl_context) {
159 PL_perl_destruct_level = 2;
160 PERL_SET_CONTEXT(current_interp);
161 perl_destruct(current_interp);
162 perl_free(current_interp);
165 nmem_mutex_leave(simpleserver_mutex);
169 Z_GenericRecord *read_grs1(char *str, ODR o)
172 char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
173 char value[GRS_BUF_SIZE+1];
174 Z_GenericRecord *r = 0;
177 r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
178 r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
187 ptr = strchr(str, '\n');
192 if (len > GRS_BUF_SIZE) {
193 yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
196 strncpy(line, str, len);
200 while (*buf && isspace(*buf))
203 memmove(original, str, strlen(str));
206 if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
208 yaz_log(LOG_WARN, "Bad data in '%s'", buf);
211 if (!type && *value == '0')
213 if (!(buf = strchr(buf, ')')))
216 while (*buf && isspace(*buf))
218 if (r->num_elements >= GRS_MAX_FIELDS)
220 yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
223 r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
224 t->tagType = (int *)odr_malloc(o, sizeof(int));
226 t->tagValue = (Z_StringOrNumeric *)
227 odr_malloc(o, sizeof(Z_StringOrNumeric));
228 if ((ivalue = atoi(value)))
230 t->tagValue->which = Z_StringOrNumeric_numeric;
231 t->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
232 *t->tagValue->u.numeric = ivalue;
236 t->tagValue->which = Z_StringOrNumeric_string;
237 t->tagValue->u.string = (char *)odr_malloc(o, strlen(value)+1);
238 strcpy(t->tagValue->u.string, value);
240 t->tagOccurrence = 0;
242 t->appliedVariant = 0;
243 t->content = c = (Z_ElementData *)odr_malloc(o, sizeof(Z_ElementData));
246 c->which = Z_ElementData_subtree;
247 c->u.subtree = read_grs1(str, o);
251 c->which = Z_ElementData_string;
252 c->u.string = odr_strdup(o, buf);
261 static void oid2str(Odr_oid *o, WRBUF buf)
263 for (; *o >= 0; o++) {
265 sprintf(ibuf, "%d", *o);
266 wrbuf_puts(buf, ibuf);
268 wrbuf_putc(buf, '.');
273 static int rpn2pquery(Z_RPNStructure *s, WRBUF buf)
276 case Z_RPNStructure_simple: {
277 Z_Operand *o = s->u.simple;
280 case Z_Operand_APT: {
281 Z_AttributesPlusTerm *at = o->u.attributesPlusTerm;
283 if (at->attributes) {
287 for (i = 0; i < at->attributes->num_attributes; i++) {
288 wrbuf_puts(buf, "@attr ");
289 if (at->attributes->attributes[i]->attributeSet) {
290 oid2str(at->attributes->attributes[i]->attributeSet, buf);
291 wrbuf_putc(buf, ' ');
293 sprintf(ibuf, "%d=", *at->attributes->attributes[i]->attributeType);
294 assert(at->attributes->attributes[i]->which == Z_AttributeValue_numeric);
295 wrbuf_puts(buf, ibuf);
296 sprintf(ibuf, "%d ", *at->attributes->attributes[i]->value.numeric);
297 wrbuf_puts(buf, ibuf);
300 switch (at->term->which) {
301 case Z_Term_general: {
302 wrbuf_putc(buf, '"');
303 wrbuf_write(buf, (char*) at->term->u.general->buf, at->term->u.general->len);
304 wrbuf_puts(buf, "\" ");
315 case Z_RPNStructure_complex: {
316 Z_Complex *c = s->u.complex;
318 switch (c->roperator->which) {
319 case Z_Operator_and: wrbuf_puts(buf, "@and "); break;
320 case Z_Operator_or: wrbuf_puts(buf, "@or "); break;
321 case Z_Operator_and_not: wrbuf_puts(buf, "@not "); break;
322 case Z_Operator_prox: abort();
325 if (!rpn2pquery(c->s1, buf))
327 if (!rpn2pquery(c->s2, buf))
337 WRBUF zquery2pquery(Z_Query *q)
339 WRBUF buf = wrbuf_alloc();
341 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
343 if (q->u.type_1->attributeSetId) {
344 /* Output attribute set ID */
345 wrbuf_puts(buf, "@attrset ");
346 oid2str(q->u.type_1->attributeSetId, buf);
347 wrbuf_putc(buf, ' ');
349 return rpn2pquery(q->u.type_1->RPNStructure, buf) ? buf : 0;
353 /* Lifted verbatim from Net::Z3950 yazwrap/util.c */
355 void fatal(char *fmt, ...)
359 fprintf(stderr, "FATAL (yazwrap): ");
361 vfprintf(stderr, fmt, ap);
363 fprintf(stderr, "\n");
368 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
370 * Creates a new Perl object of type `class'; the newly-created scalar
371 * that is a reference to the blessed thingy `referent' is returned.
373 static SV *newObject(char *class, SV *referent)
378 sv = newRV_noinc((SV*) referent);
379 stash = gv_stashpv(class, 0);
381 fatal("attempt to create object of undefined class '%s'", class);
382 /*assert(stash != 0);*/
388 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
389 static void setMember(HV *hv, char *name, SV *val)
391 /* We don't increment `val's reference count -- I think this is
392 * right because it's created with a refcount of 1, and in fact
393 * the reference via this hash is the only reference to it in
396 if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
397 fatal("couldn't store member in hash");
401 /* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
402 static SV *translateOID(Odr_oid *x)
404 /* Yaz represents an OID by an int array terminated by a negative
405 * value, typically -1; we represent it as a reference to a
406 * blessed scalar string of "."-separated elements.
412 for (i = 0; x[i] >= 0; i++) {
413 sprintf(buf + strlen(buf), "%d", (int) x[i]);
419 * ### We'd like to return a blessed scalar (string) here, but of
420 * course you can't do that in Perl: only references can be
421 * blessed, so we'd have to return a _reference_ to a string, and
422 * bless _that_. Better to do without the blessing, I think.
425 return newSVpv(buf, 0);
427 return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
432 static SV *rpn2perl(Z_RPNStructure *s)
439 case Z_RPNStructure_simple: {
440 Z_Operand *o = s->u.simple;
441 Z_AttributesPlusTerm *at;
442 if (o->which != Z_Operand_APT)
443 fatal("can't handle RPN simples other than APT");
444 at = o->u.attributesPlusTerm;
445 if (at->term->which != Z_Term_general)
446 fatal("can't handle RPN terms other than general");
448 sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
449 if (at->attributes) {
451 SV *attrs = newObject("Net::Z3950::RPN::Attributes",
452 (SV*) (av = newAV()));
453 for (i = 0; i < at->attributes->num_attributes; i++) {
454 Z_AttributeElement *elem = at->attributes->attributes[i];
456 SV *tmp = newObject("Net::Z3950::RPN::Attribute",
457 (SV*) (hv2 = newHV()));
458 if (elem->attributeSet)
459 setMember(hv2, "attributeSet",
460 translateOID(elem->attributeSet));
461 setMember(hv2, "attributeType",
462 newSViv(*elem->attributeType));
463 assert(elem->which == Z_AttributeValue_numeric);
464 setMember(hv2, "attributeValue",
465 newSViv(*elem->value.numeric));
468 setMember(hv, "attributes", attrs);
470 setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
471 at->term->u.general->len));
474 case Z_RPNStructure_complex: {
476 Z_Complex *c = s->u.complex;
477 char *type = 0; /* vacuous assignment satisfies gcc -Wall */
478 switch (c->roperator->which) {
479 case Z_Operator_and: type = "Net::Z3950::RPN::And"; break;
480 case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break;
481 case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
482 case Z_Operator_prox: fatal("proximity not yet supported");
483 default: fatal("unknown RPN operator %d", (int) c->roperator->which);
485 sv = newObject(type, (SV*) (av = newAV()));
486 if ((tmp = rpn2perl(c->s1)) == 0)
489 if ((tmp = rpn2perl(c->s2)) == 0)
494 default: fatal("unknown RPN node type %d", (int) s->which);
501 static SV *zquery2perl(Z_Query *q)
506 if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
508 sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
509 if (q->u.type_1->attributeSetId)
510 setMember(hv, "attributeSet",
511 translateOID(q->u.type_1->attributeSetId));
512 setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
517 int bend_sort(void *handle, bend_sort_rr *rr)
528 char **input_setnames;
529 Zfront_handle *zhandle = (Zfront_handle *)handle;
537 input_setnames = rr->input_setnames;
538 for (i = 0; i < rr->num_input_setnames; i++)
540 av_push(aref, newSVpv(*input_setnames++, 0));
543 hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0);
544 hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0);
545 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
546 hv_store(href, "STATUS", 6, newSViv(0), 0);
550 XPUSHs(sv_2mortal(newRV( (SV*) href)));
554 perl_call_sv(sort_ref, G_SCALAR | G_DISCARD);
558 temp = hv_fetch(href, "ERR_CODE", 8, 1);
559 err_code = newSVsv(*temp);
561 temp = hv_fetch(href, "ERR_STR", 7, 1);
562 err_str = newSVsv(*temp);
564 temp = hv_fetch(href, "STATUS", 6, 1);
565 status = newSVsv(*temp);
573 rr->errcode = SvIV(err_code);
574 rr->sort_status = SvIV(status);
575 ptr = SvPV(err_str, len);
576 ODR_err_str = (char *)odr_malloc(rr->stream, len + 1);
577 strcpy(ODR_err_str, ptr);
578 rr->errstring = ODR_err_str;
588 int bend_search(void *handle, bend_search_rr *rr)
600 Zfront_handle *zhandle = (Zfront_handle *)handle;
608 basenames = rr->basenames;
609 for (i = 0; i < rr->num_bases; i++)
611 av_push(aref, newSVpv(*basenames++, 0));
613 #if ENABLE_STOP_SERVER
614 if (rr->num_bases == 1 && !strcmp(rr->basenames[0], "XXstop"))
616 zhandle->stop_flag = 1;
620 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
621 hv_store(href, "REPL_SET", 8, newSViv(rr->replace_set), 0);
622 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
623 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
624 hv_store(href, "HITS", 4, newSViv(0), 0);
625 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
626 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
627 hv_store(href, "PID", 3, newSViv(getpid()), 0);
628 hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
629 query = zquery2pquery(rr->query);
632 hv_store(href, "QUERY", 5, newSVpv((char *)query->buf, query->pos), 0);
640 XPUSHs(sv_2mortal(newRV( (SV*) href)));
644 handler_cv = simpleserver_sv2cv( search_ref );
645 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
649 temp = hv_fetch(href, "HITS", 4, 1);
650 rr->hits = SvIV(*temp);
652 temp = hv_fetch(href, "ERR_CODE", 8, 1);
653 rr->errcode = SvIV(*temp);
655 temp = hv_fetch(href, "ERR_STR", 7, 1);
656 ptr = SvPV(*temp, len);
657 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
658 strcpy(ODR_errstr, ptr);
659 rr->errstring = ODR_errstr;
661 temp = hv_fetch(href, "HANDLE", 6, 1);
662 point = newSVsv(*temp);
667 zhandle->handle = point;
668 sv_free( (SV*) aref);
669 sv_free( (SV*) href);
670 wrbuf_free(query, 1);
678 /* ### this is worryingly similar to oid2str() */
679 WRBUF oid2dotted(int *oid)
682 WRBUF buf = wrbuf_alloc();
685 for (; *oid != -1 ; oid++)
690 wrbuf_putc(buf, '.');
696 sprintf(ibuf, "%d", *oid);
697 wrbuf_puts(buf, ibuf);
703 int dotted2oid(char *dotted, int *buffer)
717 if (n == MAX_OID) /* Terminate if more than MAX_OID entries */
723 sscanf(ibuf, "%d", oid++);
736 sscanf(ibuf, "%d", oid++);
743 int bend_fetch(void *handle, bend_fetch_rr *rr)
762 Zfront_handle *zhandle = (Zfront_handle *)handle;
765 Z_RecordComposition *composition;
766 Z_ElementSetNames *simple;
775 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
776 temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0);
777 oid_dotted = oid2dotted(rr->request_format_raw);
778 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
779 hv_store(href, "REP_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);
780 hv_store(href, "BASENAME", 8, newSVpv("", 0), 0);
781 hv_store(href, "RECORD", 6, newSVpv("", 0), 0);
782 hv_store(href, "LAST", 4, newSViv(0), 0);
783 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
784 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
785 hv_store(href, "SUR_FLAG", 8, newSViv(0), 0);
786 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
787 hv_store(href, "PID", 3, newSViv(getpid()), 0);
790 composition = rr->comp;
791 if (composition->which == Z_RecordComp_simple)
793 simple = composition->u.simple;
794 if (simple->which == Z_ElementSetNames_generic)
796 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
811 XPUSHs(sv_2mortal(newRV( (SV*) href)));
815 handler_cv = simpleserver_sv2cv( fetch_ref );
816 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
820 temp = hv_fetch(href, "BASENAME", 8, 1);
821 basename = newSVsv(*temp);
823 temp = hv_fetch(href, "RECORD", 6, 1);
824 record = newSVsv(*temp);
826 temp = hv_fetch(href, "LAST", 4, 1);
827 last = newSVsv(*temp);
829 temp = hv_fetch(href, "ERR_CODE", 8, 1);
830 err_code = newSVsv(*temp);
832 temp = hv_fetch(href, "ERR_STR", 7, 1),
833 err_string = newSVsv(*temp);
835 temp = hv_fetch(href, "SUR_FLAG", 8, 1);
836 sur_flag = newSVsv(*temp);
838 temp = hv_fetch(href, "REP_FORM", 8, 1);
839 rep_form = newSVsv(*temp);
841 temp = hv_fetch(href, "HANDLE", 6, 1);
842 point = newSVsv(*temp);
847 ptr = SvPV(basename, length);
848 ODR_basename = (char *)odr_malloc(rr->stream, length + 1);
849 strcpy(ODR_basename, ptr);
850 rr->basename = ODR_basename;
852 ptr = SvPV(rep_form, length);
853 ODR_oid_buf = (int *)odr_malloc(rr->stream, (MAX_OID + 1) * sizeof(int));
854 if (dotted2oid(ptr, ODR_oid_buf) == -1) /* Maximum number of OID elements exceeded */
856 printf("Net::Z3950::SimpleServer: WARNING: OID structure too long, max length is %d\n", MAX_OID);
858 rr->output_format_raw = ODR_oid_buf;
860 ptr = SvPV(record, length);
861 oid = oid_getentbyoid(ODR_oid_buf);
862 if (oid->value == VAL_GRS1) /* Treat GRS-1 records separately */
864 rr->record = (char *) read_grs1(ptr, rr->stream);
869 ODR_record = (char *)odr_malloc(rr->stream, length + 1);
870 strcpy(ODR_record, ptr);
871 rr->record = ODR_record;
874 zhandle->handle = point;
876 rr->last_in_set = SvIV(last);
880 rr->errcode = SvIV(err_code);
881 ptr = SvPV(err_string, length);
882 ODR_errstr = (char *)odr_malloc(rr->stream, length + 1);
883 strcpy(ODR_errstr, ptr);
884 rr->errstring = ODR_errstr;
886 rr->surrogate_flag = SvIV(sur_flag);
888 wrbuf_free(oid_dotted, 1);
906 int bend_present(void *handle, bend_present_rr *rr)
915 Z_RecordComposition *composition;
916 Z_ElementSetNames *simple;
919 Zfront_handle *zhandle = (Zfront_handle *)handle;
922 /* WRBUF oid_dotted; */
929 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
930 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
931 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
932 hv_store(href, "START", 5, newSViv(rr->start), 0);
933 hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0);
934 hv_store(href, "NUMBER", 6, newSViv(rr->number), 0);
935 /*oid_dotted = oid2dotted(rr->request_format_raw);
936 hv_store(href, "REQ_FORM", 8, newSVpv((char *)oid_dotted->buf, oid_dotted->pos), 0);*/
937 hv_store(href, "HITS", 4, newSViv(0), 0);
938 hv_store(href, "PID", 3, newSViv(getpid()), 0);
941 composition = rr->comp;
942 if (composition->which == Z_RecordComp_simple)
944 simple = composition->u.simple;
945 if (simple->which == Z_ElementSetNames_generic)
947 hv_store(href, "COMP", 4, newSVpv(simple->u.generic, 0), 0);
964 XPUSHs(sv_2mortal(newRV( (SV*) href)));
968 handler_cv = simpleserver_sv2cv( present_ref );
969 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
973 temp = hv_fetch(href, "ERR_CODE", 8, 1);
974 err_code = newSVsv(*temp);
976 temp = hv_fetch(href, "ERR_STR", 7, 1);
977 err_string = newSVsv(*temp);
979 temp = hv_fetch(href, "HITS", 4, 1);
980 hits = newSVsv(*temp);
982 temp = hv_fetch(href, "HANDLE", 6, 1);
983 point = newSVsv(*temp);
990 rr->errcode = SvIV(err_code);
991 rr->hits = SvIV(hits);
993 ptr = SvPV(err_string, len);
994 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
995 strcpy(ODR_errstr, ptr);
996 rr->errstring = ODR_errstr;
997 /* wrbuf_free(oid_dotted, 1);*/
998 zhandle->handle = point;
1001 sv_free(err_string);
1003 sv_free( (SV*) href);
1009 int bend_esrequest(void *handle, bend_esrequest_rr *rr)
1011 perl_call_sv(esrequest_ref, G_VOID | G_DISCARD | G_NOARGS);
1016 int bend_delete(void *handle, bend_delete_rr *rr)
1018 perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS);
1023 int bend_scan(void *handle, bend_scan_rr *rr)
1030 struct scan_entry *scan_list;
1031 struct scan_entry *buffer;
1032 int *step_size = rr->step_size;
1036 SV *err_code = sv_newmortal();
1037 SV *err_str = sv_newmortal();
1038 SV *point = sv_newmortal();
1039 SV *status = sv_newmortal();
1040 SV *number = sv_newmortal();
1046 Zfront_handle *zhandle = (Zfront_handle *)handle;
1054 if (rr->term->term->which == Z_Term_general)
1056 term_len = rr->term->term->u.general->len;
1057 hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
1059 rr->errcode = 229; /* Unsupported term type */
1062 hv_store(href, "STEP", 4, newSViv(*step_size), 0);
1063 hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
1064 hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
1065 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1066 hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
1067 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1068 hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
1069 hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
1071 basenames = rr->basenames;
1072 for (i = 0; i < rr->num_bases; i++)
1074 av_push(aref, newSVpv(*basenames++, 0));
1076 hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
1080 XPUSHs(sv_2mortal(newRV( (SV*) href)));
1084 handler_cv = simpleserver_sv2cv( scan_ref );
1085 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1089 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1090 err_code = newSVsv(*temp);
1092 temp = hv_fetch(href, "ERR_STR", 7, 1);
1093 err_str = newSVsv(*temp);
1095 temp = hv_fetch(href, "HANDLE", 6, 1);
1096 point = newSVsv(*temp);
1098 temp = hv_fetch(href, "STATUS", 6, 1);
1099 status = newSVsv(*temp);
1101 temp = hv_fetch(href, "NUMBER", 6, 1);
1102 number = newSVsv(*temp);
1104 temp = hv_fetch(href, "ENTRIES", 7, 1);
1105 entries_ref = newSVsv(*temp);
1111 ptr = SvPV(err_str, len);
1112 ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
1113 strcpy(ODR_errstr, ptr);
1114 rr->errstring = ODR_errstr;
1115 rr->errcode = SvIV(err_code);
1116 rr->num_entries = SvIV(number);
1117 rr->status = SvIV(status);
1118 scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
1120 entries = (AV *)SvRV(entries_ref);
1121 for (i = 0; i < rr->num_entries; i++)
1123 scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
1124 temp = hv_fetch(scan_item, "TERM", 4, 1);
1125 ptr = SvPV(*temp, len);
1126 buffer->term = (char *) odr_malloc (rr->stream, len + 1);
1127 strcpy(buffer->term, ptr);
1128 temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1);
1129 buffer->occurrences = SvIV(*temp);
1131 hv_undef(scan_item);
1133 rr->entries = scan_list;
1134 zhandle->handle = point;
1141 sv_free((SV *)href);
1143 sv_free((SV *)aref);
1145 sv_free((SV *)list);
1147 /*sv_free((SV *)entries);*/
1148 sv_free(entries_ref);
1153 bend_initresult *bend_init(bend_initrequest *q)
1155 int dummy = simpleserver_clone();
1156 bend_initresult *r = (bend_initresult *)
1157 odr_malloc (q->stream, sizeof(*r));
1160 char *passwd = NULL;
1164 NMEM nmem = nmem_create();
1165 Zfront_handle *zhandle = (Zfront_handle *) nmem_malloc (nmem,
1174 zhandle->nmem = nmem;
1175 zhandle->stop_flag = 0;
1176 /*q->bend_sort = bend_sort;*/
1179 q->bend_search = bend_search;
1183 q->bend_present = bend_present;
1185 /*q->bend_esrequest = bend_esrequest;*/
1186 /*q->bend_delete = bend_delete;*/
1189 q->bend_fetch = bend_fetch;
1193 q->bend_scan = bend_scan;
1197 hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
1198 hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
1199 hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
1200 hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
1201 hv_store(href, "ERR_STR", 7, newSViv(0), 0);
1202 hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
1203 hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
1204 hv_store(href, "PID", 3, newSViv(getpid()), 0);
1206 if (q->auth->which == Z_IdAuthentication_open) {
1207 char *openpass = xstrdup (q->auth->u.open);
1208 char *cp = strchr (openpass, '/');
1211 user = nmem_strdup (odr_getmem (q->stream), openpass);
1212 passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
1215 } else if (q->auth->which == Z_IdAuthentication_idPass) {
1216 user = q->auth->u.idPass->userId;
1217 passwd = q->auth->u.idPass->password;
1219 /* ### some code paths have user/password unassigned here */
1220 hv_store(href, "USER", 4, newSVpv(user, 0), 0);
1221 hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
1226 XPUSHs(sv_2mortal(newRV((SV*) href)));
1230 if (init_ref != NULL)
1232 handler_cv = simpleserver_sv2cv( init_ref );
1233 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1238 temp = hv_fetch(href, "IMP_ID", 6, 1);
1239 ptr = SvPV(*temp, len);
1240 q->implementation_id = nmem_strdup(nmem, ptr);
1242 temp = hv_fetch(href, "IMP_NAME", 8, 1);
1243 ptr = SvPV(*temp, len);
1244 q->implementation_name = nmem_strdup(nmem, ptr);
1246 temp = hv_fetch(href, "IMP_VER", 7, 1);
1247 ptr = SvPV(*temp, len);
1248 q->implementation_version = nmem_strdup(nmem, ptr);
1250 temp = hv_fetch(href, "ERR_CODE", 8, 1);
1251 r->errcode = SvIV(*temp);
1253 temp = hv_fetch(href, "ERR_STR", 7, 1);
1254 ptr = SvPV(*temp, len);
1255 r->errstring = (char *)odr_malloc(q->stream, len + 1);
1256 strcpy(r->errstring, ptr);
1258 temp = hv_fetch(href, "HANDLE", 6, 1);
1259 handle= newSVsv(*temp);
1260 zhandle->handle = handle;
1262 r->handle = zhandle;
1265 sv_free((SV*) href);
1274 void bend_close(void *handle)
1277 Zfront_handle *zhandle = (Zfront_handle *)handle;
1287 hv_store(href, "HANDLE", 6, zhandle->handle, 0);
1291 XPUSHs(sv_2mortal(newRV((SV *)href)));
1295 handler_cv = simpleserver_sv2cv( close_ref );
1296 perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
1300 sv_free((SV*) href);
1302 sv_free(zhandle->handle);
1306 stop_flag = zhandle->stop_flag;
1307 nmem_destroy(zhandle->nmem);
1308 simpleserver_free();
1316 MODULE = Net::Z3950::SimpleServer PACKAGE = Net::Z3950::SimpleServer
1319 set_init_handler(arg)
1322 init_ref = newSVsv(arg);
1326 set_close_handler(arg)
1329 close_ref = newSVsv(arg);
1333 set_sort_handler(arg)
1336 sort_ref = newSVsv(arg);
1339 set_search_handler(arg)
1342 search_ref = newSVsv(arg);
1346 set_fetch_handler(arg)
1349 fetch_ref = newSVsv(arg);
1353 set_present_handler(arg)
1356 present_ref = newSVsv(arg);
1360 set_esrequest_handler(arg)
1363 esrequest_ref = newSVsv(arg);
1367 set_delete_handler(arg)
1370 delete_ref = newSVsv(arg);
1374 set_scan_handler(arg)
1377 scan_ref = newSVsv(arg);
1389 argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
1391 for (i = 0; i < items; i++)
1393 ptr = SvPV(ST(i), len);
1394 *argv_buf = (char *)xmalloc(len + 1);
1395 strcpy(*argv_buf++, ptr);
1398 root_perl_context = PERL_GET_CONTEXT;
1399 nmem_mutex_create(&simpleserver_mutex);
1401 /* only for debugging perl_clone .. */
1405 RETVAL = statserv_main(items, argv, bend_init, bend_close);
1413 RETVAL = BEND_SCAN_SUCCESS;
1420 RETVAL = BEND_SCAN_PARTIAL;