/*
- * Copyright (c) 2000, Index Data.
+ * $Id: SimpleServer.xs,v 1.25 2004-05-14 04:07:50 adam Exp $
+ * ----------------------------------------------------------------------
+ *
+ * Copyright (c) 2000-2004, Index Data.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation, in whole or in part, for any purpose, is hereby granted,
* OF THIS SOFTWARE.
*/
-/*$Log: SimpleServer.xs,v $
-/*Revision 1.10 2001-08-29 11:48:36 sondberg
-/*Added routines
-/*
-/* Net::Z3950::SimpleServer::ScanSuccess
-/* Net::Z3950::SimpleServer::ScanPartial
-/*
-/*and a bit of documentation.
-/*
-/*Revision 1.9 2001/08/24 14:00:20 sondberg
-/*Added support for scan.
-/*
-/*Revision 1.8 2001/05/21 11:07:02 sondberg
-/*Extended maximum numbers of GRS-1 elements. Should be done dynamically.
-/*
-/*Revision 1.7 2001/03/13 14:17:15 sondberg
-/*Added support for GRS-1.
-/**/
-
-
#include "EXTERN.h"
#include "perl.h"
+#include "proto.h"
+#include "embed.h"
#include "XSUB.h"
#include <yaz/backend.h>
#include <yaz/log.h>
#include <yaz/wrbuf.h>
#include <stdio.h>
+#ifdef WIN32
+#else
#include <unistd.h>
+#endif
#include <stdlib.h>
#include <ctype.h>
#define GRS_MAX_FIELDS 500
#define sv_undef PL_sv_undef
#endif
+NMEM_MUTEX simpleserver_mutex;
+
typedef struct {
SV *handle;
SV *esrequest_ref = NULL;
SV *delete_ref = NULL;
SV *scan_ref = NULL;
+PerlInterpreter *root_perl_context;
int MAX_OID = 15;
+#define GRS_BUF_SIZE 512
+
+CV * simpleserver_sv2cv(SV *handler) {
+ STRLEN len;
+ char *buf;
+
+ if (SvPOK(handler)) {
+ CV *ret;
+ buf = SvPV( handler, len);
+ if ( !( ret = perl_get_cv(buf, FALSE ) ) ) {
+ fprintf( stderr, "simpleserver_sv2cv: No such handler '%s'\n\n", buf );
+ exit(1);
+ }
+
+ return ret;
+ } else {
+ return (CV *) handler;
+ }
+}
+
+/* debuggin routine to check for destruction of Perl interpreters */
+#if 0
+int tst_clones(void)
+{
+ int i;
+ PerlInterpreter *parent = PERL_GET_CONTEXT;
+ for (i = 0; i<500; i++)
+ {
+ PerlInterpreter *perl_interp = perl_clone(parent, 0);
+ PERL_SET_CONTEXT( perl_interp );
+ PL_perl_destruct_level = 2;
+ PERL_SET_CONTEXT( parent );
+ perl_destruct(perl_interp);
+ perl_free(perl_interp);
+ }
+ exit (0);
+}
+#endif
+
+int simpleserver_clone(void) {
+ nmem_mutex_enter(simpleserver_mutex);
+ if (1)
+ {
+ PerlInterpreter *current = PERL_GET_CONTEXT;
+
+ /* if current is unset, then we're in a new thread with
+ * no Perl interpreter for it. So we must create one .
+ * This will only happen when threaded is used..
+ */
+ if (!current) {
+ PerlInterpreter *perl_interp;
+ PERL_SET_CONTEXT( root_perl_context );
+ perl_interp = perl_clone(root_perl_context, 0);
+ PERL_SET_CONTEXT( perl_interp );
+ }
+ }
+ nmem_mutex_leave(simpleserver_mutex);
+ return 0;
+}
+
+
+void simpleserver_free(void) {
+ nmem_mutex_enter(simpleserver_mutex);
+ if (1)
+ {
+ PerlInterpreter *current_interp = PERL_GET_CONTEXT;
+
+ /* If current Perl Interp is different from root interp, then
+ * we're in threaded mode and we must destroy..
+ */
+ if (current_interp != root_perl_context) {
+ PL_perl_destruct_level = 2;
+ PERL_SET_CONTEXT(root_perl_context);
+ perl_destruct(current_interp);
+ perl_free(current_interp);
+ }
+ }
+ nmem_mutex_leave(simpleserver_mutex);
+}
+
Z_GenericRecord *read_grs1(char *str, ODR o)
{
int type, ivalue;
- char line[512], *buf, *ptr, *original;
- char value[512];
+ char line[GRS_BUF_SIZE+1], *buf, *ptr, *original;
+ char value[GRS_BUF_SIZE+1];
Z_GenericRecord *r = 0;
original = str;
+ r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
+ r->elements = (Z_TaggedElement **) odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
+ r->num_elements = 0;
+
for (;;)
{
Z_TaggedElement *t;
Z_ElementData *c;
+ int len;
ptr = strchr(str, '\n');
if (!ptr) {
return r;
}
- strncpy(line, str, ptr - str);
- line[ptr - str] = 0;
+ len = ptr - str;
+ if (len > GRS_BUF_SIZE) {
+ yaz_log(LOG_WARN, "GRS string too long - truncating (%d > %d)", len, GRS_BUF_SIZE);
+ len = GRS_BUF_SIZE;
+ }
+ strncpy(line, str, len);
+ line[len] = 0;
buf = line;
str = ptr + 1;
while (*buf && isspace(*buf))
if (sscanf(buf, "(%d,%[^)])", &type, value) != 2)
{
yaz_log(LOG_WARN, "Bad data in '%s'", buf);
- return 0;
+ return r;
}
if (!type && *value == '0')
return r;
if (!(buf = strchr(buf, ')')))
- return 0;
+ return r;
buf++;
while (*buf && isspace(*buf))
buf++;
- if (!*buf)
- return 0;
- if (!r)
- {
- r = (Z_GenericRecord *)odr_malloc(o, sizeof(*r));
- r->elements = (Z_TaggedElement **)
- odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
- r->num_elements = 0;
- }
- if (r->num_elements > GRS_MAX_FIELDS)
+ if (r->num_elements >= GRS_MAX_FIELDS)
{
yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
exit(0);
else
{
c->which = Z_ElementData_string;
-/* buf[strlen(buf)-1] = '\0';*/
- buf[strlen(buf)] = '\0';
c->u.string = odr_strdup(o, buf);
}
r->num_elements++;
}
+/* Lifted verbatim from Net::Z3950 yazwrap/util.c */
+#include <stdarg.h>
+void fatal(char *fmt, ...)
+{
+ va_list ap;
+
+ fprintf(stderr, "FATAL (yazwrap): ");
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ fprintf(stderr, "\n");
+ abort();
+}
+
+
+/* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
+/*
+ * Creates a new Perl object of type `class'; the newly-created scalar
+ * that is a reference to the blessed thingy `referent' is returned.
+ */
+static SV *newObject(char *class, SV *referent)
+{
+ HV *stash;
+ SV *sv;
+
+ sv = newRV_noinc((SV*) referent);
+ stash = gv_stashpv(class, 0);
+ if (stash == 0)
+ fatal("attempt to create object of undefined class '%s'", class);
+ /*assert(stash != 0);*/
+ sv_bless(sv, stash);
+ return sv;
+}
+
+
+/* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
+static void setMember(HV *hv, char *name, SV *val)
+{
+ /* We don't increment `val's reference count -- I think this is
+ * right because it's created with a refcount of 1, and in fact
+ * the reference via this hash is the only reference to it in
+ * general.
+ */
+ if (!hv_store(hv, name, (U32) strlen(name), val, (U32) 0))
+ fatal("couldn't store member in hash");
+}
+
+
+/* Lifted verbatim from Net::Z3950 yazwrap/receive.c */
+static SV *translateOID(Odr_oid *x)
+{
+ /* Yaz represents an OID by an int array terminated by a negative
+ * value, typically -1; we represent it as a reference to a
+ * blessed scalar string of "."-separated elements.
+ */
+ char buf[1000];
+ int i;
+
+ *buf = '\0';
+ for (i = 0; x[i] >= 0; i++) {
+ sprintf(buf + strlen(buf), "%d", (int) x[i]);
+ if (x[i+1] >- 0)
+ strcat(buf, ".");
+ }
+
+ /*
+ * ### We'd like to return a blessed scalar (string) here, but of
+ * course you can't do that in Perl: only references can be
+ * blessed, so we'd have to return a _reference_ to a string, and
+ * bless _that_. Better to do without the blessing, I think.
+ */
+ if (1) {
+ return newSVpv(buf, 0);
+ } else {
+ return newObject("Net::Z3950::APDU::OID", newSVpv(buf, 0));
+ }
+}
+
+
+static SV *rpn2perl(Z_RPNStructure *s)
+{
+ SV *sv;
+ HV *hv;
+ AV *av;
+
+ switch (s->which) {
+ case Z_RPNStructure_simple: {
+ Z_Operand *o = s->u.simple;
+ Z_AttributesPlusTerm *at;
+ if (o->which != Z_Operand_APT)
+ fatal("can't handle RPN simples other than APT");
+ at = o->u.attributesPlusTerm;
+ if (at->term->which != Z_Term_general)
+ fatal("can't handle RPN terms other than general");
+
+ sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
+ if (at->attributes) {
+ int i;
+ SV *attrs = newObject("Net::Z3950::RPN::Attributes",
+ (SV*) (av = newAV()));
+ for (i = 0; i < at->attributes->num_attributes; i++) {
+ Z_AttributeElement *elem = at->attributes->attributes[i];
+ HV *hv2;
+ SV *tmp = newObject("Net::Z3950::RPN::Attribute",
+ (SV*) (hv2 = newHV()));
+ if (elem->attributeSet)
+ setMember(hv2, "attributeSet",
+ translateOID(elem->attributeSet));
+ setMember(hv2, "attributeType",
+ newSViv(*elem->attributeType));
+ assert(elem->which == Z_AttributeValue_numeric);
+ setMember(hv2, "attributeValue",
+ newSViv(*elem->value.numeric));
+ av_push(av, tmp);
+ }
+ setMember(hv, "attributes", attrs);
+ }
+ setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
+ at->term->u.general->len));
+ return sv;
+ }
+ case Z_RPNStructure_complex: {
+ SV *tmp;
+ Z_Complex *c = s->u.complex;
+ char *type = 0; /* vacuous assignment satisfies gcc -Wall */
+ switch (c->roperator->which) {
+ case Z_Operator_and: type = "Net::Z3950::RPN::And"; break;
+ case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break;
+ case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
+ case Z_Operator_prox: fatal("proximity not yet supported");
+ default: fatal("unknown RPN operator %d", (int) c->roperator->which);
+ }
+ sv = newObject(type, (SV*) (av = newAV()));
+ if ((tmp = rpn2perl(c->s1)) == 0)
+ return 0;
+ av_push(av, tmp);
+ if ((tmp = rpn2perl(c->s2)) == 0)
+ return 0;
+ av_push(av, tmp);
+ return sv;
+ }
+ default: fatal("unknown RPN node type %d", (int) s->which);
+ }
+
+ return 0;
+}
+
+
+static SV *zquery2perl(Z_Query *q)
+{
+ SV *sv;
+ HV *hv;
+
+ if (q->which != Z_Query_type_1 && q->which != Z_Query_type_101)
+ return 0;
+ sv = newObject("Net::Z3950::APDU::Query", (SV*) (hv = newHV()));
+ if (q->u.type_1->attributeSetId)
+ setMember(hv, "attributeSet",
+ translateOID(q->u.type_1->attributeSetId));
+ setMember(hv, "query", rpn2perl(q->u.type_1->RPNStructure));
+ return sv;
+}
+
+
int bend_sort(void *handle, bend_sort_rr *rr)
{
HV *href;
SV *point;
SV *ODR_point;
Zfront_handle *zhandle = (Zfront_handle *)handle;
+ CV* handler_cv = 0;
dSP;
ENTER;
hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
hv_store(href, "HANDLE", 6, zhandle->handle, 0);
hv_store(href, "PID", 3, newSViv(getpid()), 0);
+ hv_store(href, "RPN", 3, zquery2perl(rr->query), 0);
query = zquery2pquery(rr->query);
if (query)
{
PUTBACK;
- n = perl_call_sv(search_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( search_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
SPAGAIN;
}
+/* ### this is worryingly similar to oid2str() */
WRBUF oid2dotted(int *oid)
{
oident *oid;
WRBUF oid_dotted;
Zfront_handle *zhandle = (Zfront_handle *)handle;
+ CV* handler_cv = 0;
Z_RecordComposition *composition;
Z_ElementSetNames *simple;
PUTBACK;
- perl_call_sv(fetch_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( fetch_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
SPAGAIN;
char *ODR_errstr;
char *ptr;
Zfront_handle *zhandle = (Zfront_handle *)handle;
+ CV* handler_cv = 0;
/* WRBUF oid_dotted; */
PUTBACK;
- perl_call_sv(present_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( present_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
SPAGAIN;
int i;
char **basenames;
SV **temp;
- SV *list_ref = sv_newmortal();
SV *err_code = sv_newmortal();
SV *err_str = sv_newmortal();
SV *point = sv_newmortal();
char *ptr;
char *ODR_errstr;
STRLEN len;
-
+ int term_len;
+ SV *term_tmp;
+ SV *entries_ref;
Zfront_handle *zhandle = (Zfront_handle *)handle;
+ CV* handler_cv = 0;
dSP;
ENTER;
list = newAV();
if (rr->term->term->which == Z_Term_general)
{
- hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, 0), 0);
+ term_len = rr->term->term->u.general->len;
+ hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
} else {
rr->errcode = 229; /* Unsupported term type */
return 0;
PUTBACK;
- perl_call_sv(scan_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( scan_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
SPAGAIN;
number = newSVsv(*temp);
temp = hv_fetch(href, "ENTRIES", 7, 1);
- list_ref = newSVsv(*temp);
- entries = (AV *)SvRV(list_ref);
+ entries_ref = newSVsv(*temp);
PUTBACK;
FREETMPS;
rr->status = SvIV(status);
scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
buffer = scan_list;
+ entries = (AV *)SvRV(entries_ref);
for (i = 0; i < rr->num_entries; i++)
{
scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries)));
rr->entries = scan_list;
zhandle->handle = point;
handle = zhandle;
- /*sv_free(list_ref);*/
sv_free(err_code);
sv_free(err_str);
sv_free(status);
sv_free(number);
- /*sv_free(point);*/
hv_undef(href);
+ sv_free((SV *)href);
av_undef(aref);
+ sv_free((SV *)aref);
av_undef(list);
+ sv_free((SV *)list);
av_undef(entries);
+ /*sv_free((SV *)entries);*/
+ sv_free(entries_ref);
return 0;
}
bend_initresult *bend_init(bend_initrequest *q)
{
+ int dummy = simpleserver_clone();
bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
HV *href;
SV **temp;
+ SV *id;
SV *name;
SV *ver;
SV *err_str;
/*char *name_ptr;
char *ver_ptr;*/
char *ptr;
+ char *user = NULL;
+ char *passwd = NULL;
+ CV* handler_cv = 0;
dSP;
ENTER;
q->bend_scan = bend_scan;
}
href = newHV();
+ hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
+ hv_store(href, "ERR_STR", 7, newSViv(0), 0);
hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0);
hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0);
hv_store(href, "PID", 3, newSViv(getpid()), 0);
+ if (q->auth) {
+ if (q->auth->which == Z_IdAuthentication_open) {
+ char *openpass = xstrdup (q->auth->u.open);
+ char *cp = strchr (openpass, '/');
+ if (cp) {
+ *cp = '\0';
+ user = nmem_strdup (odr_getmem (q->stream), openpass);
+ passwd = nmem_strdup (odr_getmem (q->stream), cp + 1);
+ }
+ xfree(openpass);
+ } else if (q->auth->which == Z_IdAuthentication_idPass) {
+ user = q->auth->u.idPass->userId;
+ passwd = q->auth->u.idPass->password;
+ }
+ /* ### some code paths have user/password unassigned here */
+ hv_store(href, "USER", 4, newSVpv(user, 0), 0);
+ hv_store(href, "PASS", 4, newSVpv(passwd, 0), 0);
+ }
PUSHMARK(sp);
if (init_ref != NULL)
{
- perl_call_sv(init_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( init_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
}
SPAGAIN;
+ temp = hv_fetch(href, "IMP_ID", 6, 1);
+ id = newSVsv(*temp);
+
temp = hv_fetch(href, "IMP_NAME", 8, 1);
name = newSVsv(*temp);
temp = hv_fetch(href, "ERR_CODE", 8, 1);
status = newSVsv(*temp);
+ temp = hv_fetch(href, "ERR_STR", 7, 1);
+ err_str = newSVsv(*temp);
+
temp = hv_fetch(href, "HANDLE", 6, 1);
handle= newSVsv(*temp);
LEAVE;
zhandle->handle = handle;
r->errcode = SvIV(status);
+ ptr = SvPV(err_str, len);
+ r->errstring = (char *)odr_malloc(q->stream, len + 1);
+ strcpy(r->errstring, ptr);
+ sv_free(err_str);
r->handle = zhandle;
+ ptr = SvPV(id, len);
+ q->implementation_id = (char *)xmalloc(len + 1);
+ strcpy(q->implementation_id, ptr);
ptr = SvPV(name, len);
q->implementation_name = (char *)xmalloc(len + 1);
strcpy(q->implementation_name, ptr);
HV *href;
Zfront_handle *zhandle = (Zfront_handle *)handle;
SV **temp;
+ CV* handler_cv = 0;
- dSP;
- ENTER;
- SAVETMPS;
- if (close_ref == NULL)
+ if (close_ref)
{
- return;
- }
+ dSP;
+ ENTER;
+ SAVETMPS;
+ href = newHV();
+ hv_store(href, "HANDLE", 6, zhandle->handle, 0);
- href = newHV();
- hv_store(href, "HANDLE", 6, zhandle->handle, 0);
-
- PUSHMARK(sp);
+ PUSHMARK(sp);
- XPUSHs(sv_2mortal(newRV((SV *)href)));
+ XPUSHs(sv_2mortal(newRV((SV *)href)));
- PUTBACK;
+ PUTBACK;
- perl_call_sv(close_ref, G_SCALAR | G_DISCARD);
+ handler_cv = simpleserver_sv2cv( close_ref );
+ perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD);
- SPAGAIN;
-
- PUTBACK;
- FREETMPS;
- LEAVE;
+ SPAGAIN;
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ }
xfree(handle);
+ simpleserver_free();
return;
}
strcpy(*argv_buf++, ptr);
}
*argv_buf = NULL;
+ root_perl_context = PERL_GET_CONTEXT;
+ nmem_mutex_create(&simpleserver_mutex);
+#if 0
+ tst_clones();
+#endif
RETVAL = statserv_main(items, argv, bend_init, bend_close);
OUTPUT: