* Copyright (C) 1995-2007, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: zoom-c.c,v 1.139 2007-07-04 11:42:14 adam Exp $
+ * $Id: zoom-c.c,v 1.141 2007-08-16 10:09:36 adam Exp $
*/
/**
* \file zoom-c.c
{
set_dset_error(c, error, "HTTP", addinfo, addinfo2);
}
+
+static void set_SRU_error(ZOOM_connection c, Z_SRW_diagnostic *d)
+{
+ const char *uri = d->uri;
+ if (uri)
+ {
+ int code = 0;
+ const char *cp;
+ if ((cp = strrchr(uri, '/')))
+ code = atoi(cp+1);
+ set_dset_error(c, code, uri, d->details, 0);
+ }
+}
+
#endif
s->query_string = odr_strdup(s->odr, str);
ext = (Z_External *) odr_malloc(s->odr, sizeof(*ext));
- ext->direct_reference = odr_getoidbystr(s->odr, "1.2.840.10003.16.2");
+ ext->direct_reference = odr_oiddup(s->odr, yaz_oid_userinfo_cql);
ext->indirect_reference = 0;
ext->descriptor = 0;
ext->which = Z_External_CQL;
r->next = 0;
r->databaseNames = 0;
r->num_databaseNames = 0;
- r->rpn_iconv = 0;
return r;
}
r->options = ZOOM_options_create_with_parent(c->options);
- {
- const char *cp = ZOOM_options_get(r->options, "rpnCharset");
- if (cp)
- r->rpn_iconv = yaz_iconv_open(cp, "UTF-8");
- }
-
-
start = ZOOM_options_get_int(r->options, "start", 0);
count = ZOOM_options_get_int(r->options, "count", 0);
{
}
ZOOM_query_destroy(r->query);
ZOOM_options_destroy(r->options);
- if (r->rpn_iconv)
- yaz_iconv_close(r->rpn_iconv);
odr_destroy(r->odr);
xfree(r->setname);
xfree(r->schema);
odr_prepend(c->odr_out, "ZOOM-C",
ireq->implementationName));
- version = odr_strdup(c->odr_out, "$Revision: 1.139 $");
+ version = odr_strdup(c->odr_out, "$Revision: 1.141 $");
if (strlen(version) > 10) /* check for unexpanded CVS strings */
version[strlen(version)-2] = '\0';
ireq->implementationVersion =
set_ZOOM_error(c, ZOOM_ERROR_INVALID_QUERY, 0);
return zoom_complete;
}
- if (r->query->z_query->which == Z_Query_type_1 && r->rpn_iconv)
+ if (r->query->z_query->which == Z_Query_type_1 ||
+ r->query->z_query->which == Z_Query_type_101)
{
- search_req->query = yaz_copy_Z_Query(r->query->z_query, c->odr_out);
-
- yaz_query_charset_convert_rpnquery(search_req->query->u.type_1,
- c->odr_out, r->rpn_iconv);
+ const char *cp = ZOOM_options_get(r->options, "rpnCharset");
+ if (cp)
+ {
+ yaz_iconv_t cd = yaz_iconv_open(cp, "UTF-8");
+ if (cd)
+ {
+ search_req->query = yaz_copy_Z_Query(search_req->query,
+ c->odr_out);
+
+ yaz_query_charset_convert_rpnquery(search_req->query->u.type_1,
+ c->odr_out, cd);
+ yaz_iconv_close(cd);
+ }
+ }
}
search_req->databaseNames = r->databaseNames;
search_req->num_databaseNames = r->num_databaseNames;
if (res->entries && res->entries->nonsurrogateDiagnostics)
response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
scan->scan_response = res;
+ scan->srw_scan_response = 0;
nmem_transfer(odr_getmem(scan->odr), nmem);
if (res->stepSize)
ZOOM_options_set_int(scan->options, "stepSize", *res->stepSize);
ZOOM_API(ZOOM_scanset)
ZOOM_connection_scan1(ZOOM_connection c, ZOOM_query q)
{
- char *start;
- char *freeme = 0;
ZOOM_scanset scan = 0;
- /*
- * We need to check the query-type, so we can recognise CQL and
- * CCL and compile them into a form that we can use here. The
- * ZOOM_query structure has no explicit `type' member, but
- * inspection of the ZOOM_query_prefix() and ZOOM_query_cql()
- * functions shows how the structure is set up in each case.
- */
if (!q->z_query)
return 0;
- else if (q->z_query->which == Z_Query_type_1)
- {
- yaz_log(log_api, "%p ZOOM_connection_scan1 q=%p PQF '%s'",
- c, q, q->query_string);
- start = q->query_string;
- }
- else if (q->z_query->which == Z_Query_type_104)
- {
- yaz_log(log_api, "%p ZOOM_connection_scan1 q=%p CQL '%s'",
- c, q, q->query_string);
- start = freeme = cql2pqf(c, q->query_string);
- if (start == 0)
- return 0;
- }
- else
- {
- yaz_log(YLOG_FATAL, "%p ZOOM_connection_scan1 q=%p unknown type '%s'",
- c, q, q->query_string);
- abort();
- }
-
scan = (ZOOM_scanset) xmalloc(sizeof(*scan));
scan->connection = c;
scan->odr = odr_createmem(ODR_DECODE);
scan->options = ZOOM_options_create_with_parent(c->options);
scan->refcount = 1;
scan->scan_response = 0;
- scan->termListAndStartPoint =
- p_query_scan(scan->odr, PROTO_Z3950, &scan->attributeSet, start);
- xfree(freeme);
-
- {
- const char *cp = ZOOM_options_get(scan->options, "rpnCharset");
- if (cp)
- {
- yaz_iconv_t cd = yaz_iconv_open(cp, "UTF-8");
- if (cd)
- {
- yaz_query_charset_convert_apt(scan->termListAndStartPoint,
- scan->odr, cd);
- }
- }
- }
-
+ scan->srw_scan_response = 0;
+ scan->query = q;
+ (q->refcount)++;
scan->databaseNames = set_DatabaseNames(c, c->options,
&scan->num_databaseNames,
scan->odr);
- if (scan->termListAndStartPoint != 0)
+
+ if (1)
{
ZOOM_task task = ZOOM_connection_add_task(c, ZOOM_TASK_SCAN);
task->u.scan.scan = scan;
(scan->refcount)--;
if (scan->refcount == 0)
{
+ ZOOM_query_destroy(scan->query);
+
odr_destroy(scan->odr);
ZOOM_options_destroy(scan->options);
return do_write(c);
}
-static zoom_ret send_scan(ZOOM_connection c)
+static zoom_ret ZOOM_connection_send_scan(ZOOM_connection c)
{
ZOOM_scanset scan;
Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_scanRequest);
assert (c->tasks->which == ZOOM_TASK_SCAN);
scan = c->tasks->u.scan.scan;
- req->termListAndStartPoint = scan->termListAndStartPoint;
- req->attributeSet = scan->attributeSet;
+ /* Z39.50 scan can only carry RPN */
+ if (scan->query->z_query->which == Z_Query_type_1 ||
+ scan->query->z_query->which == Z_Query_type_101)
+ {
+ Z_RPNQuery *rpn = scan->query->z_query->u.type_1;
+ const char *cp = ZOOM_options_get(scan->options, "rpnCharset");
+ if (cp)
+ {
+ yaz_iconv_t cd = yaz_iconv_open(cp, "UTF-8");
+ if (cd)
+ {
+ rpn = yaz_copy_z_RPNQuery(rpn, c->odr_out);
+
+ yaz_query_charset_convert_rpnquery(
+ rpn, c->odr_out, cd);
+ yaz_iconv_close(cd);
+ }
+ }
+ req->attributeSet = rpn->attributeSetId;
+ if (!req->attributeSet)
+ req->attributeSet = odr_oiddup(c->odr_out, yaz_oid_attset_bib_1);
+ if (rpn->RPNStructure->which == Z_RPNStructure_simple &&
+ rpn->RPNStructure->u.simple->which == Z_Operand_APT)
+ {
+ req->termListAndStartPoint =
+ rpn->RPNStructure->u.simple->u.attributesPlusTerm;
+ }
+ else
+ {
+ set_ZOOM_error(c, ZOOM_ERROR_INVALID_QUERY, 0);
+ return zoom_complete;
+ }
+ }
+ else
+ {
+ set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
+ return zoom_complete;
+ }
*req->numberOfTermsRequested =
ZOOM_options_get_int(scan->options, "number", 10);
return send_APDU(c, apdu);
}
+#if YAZ_HAVE_XML2
+static zoom_ret ZOOM_connection_srw_send_scan(ZOOM_connection c)
+{
+ ZOOM_scanset scan;
+ Z_SRW_PDU *sr = 0;
+ const char *option_val = 0;
+
+ if (!c->tasks)
+ return zoom_complete;
+ assert (c->tasks->which == ZOOM_TASK_SCAN);
+ scan = c->tasks->u.scan.scan;
+
+ sr = yaz_srw_get(c->odr_out, Z_SRW_scan_request);
+
+ /* SRU scan can only carry CQL and PQF */
+ if (scan->query->z_query->which == Z_Query_type_104)
+ {
+ sr->u.scan_request->query_type = Z_SRW_query_type_cql;
+ sr->u.scan_request->scanClause.cql = scan->query->query_string;
+ }
+ else if (scan->query->z_query->which == Z_Query_type_1
+ || scan->query->z_query->which == Z_Query_type_101)
+ {
+ sr->u.scan_request->query_type = Z_SRW_query_type_pqf;
+ sr->u.scan_request->scanClause.pqf = scan->query->query_string;
+ }
+ else
+ {
+ set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
+ return zoom_complete;
+ }
+
+ sr->u.scan_request->maximumTerms = odr_intdup(
+ c->odr_out, ZOOM_options_get_int(scan->options, "number", 10));
+
+ sr->u.scan_request->responsePosition = odr_intdup(
+ c->odr_out, ZOOM_options_get_int(scan->options, "position", 1));
+
+ option_val = ZOOM_options_get(scan->options, "extraArgs");
+ if (option_val)
+ sr->extra_args = odr_strdup(c->odr_out, option_val);
+ return send_srw(c, sr);
+}
+#else
+static zoom_ret ZOOM_connection_srw_send_scan(ZOOM_connection c)
+{
+ return zoom_complete;
+}
+#endif
+
+
ZOOM_API(size_t)
ZOOM_scanset_size(ZOOM_scanset scan)
{
- if (!scan || !scan->scan_response || !scan->scan_response->entries)
+ if (!scan)
return 0;
- return scan->scan_response->entries->num_entries;
+
+ if (scan->scan_response && scan->scan_response->entries)
+ return scan->scan_response->entries->num_entries;
+ else if (scan->srw_scan_response)
+ return scan->srw_scan_response->num_terms;
+ return 0;
}
-ZOOM_API(const char *)
- ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
- int *occ, int *len)
+static void ZOOM_scanset_term_x(ZOOM_scanset scan, size_t pos,
+ int *occ,
+ const char **value_term, size_t *value_len,
+ const char **disp_term, size_t *disp_len)
{
- const char *term = 0;
size_t noent = ZOOM_scanset_size(scan);
- Z_ScanResponse *res = scan->scan_response;
- *len = 0;
+ *value_term = 0;
+ *value_len = 0;
+
+ *disp_term = 0;
+ *disp_len = 0;
+
*occ = 0;
- if (pos >= noent)
- return 0;
- if (res->entries->entries[pos]->which == Z_Entry_termInfo)
+ if (pos >= noent || pos < 0)
+ return;
+ if (scan->scan_response)
{
- Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
-
- if (t->term->which == Z_Term_general)
+ Z_ScanResponse *res = scan->scan_response;
+ if (res->entries->entries[pos]->which == Z_Entry_termInfo)
{
- term = (const char *) t->term->u.general->buf;
- *len = t->term->u.general->len;
+ Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
+
+ *value_term = (const char *) t->term->u.general->buf;
+ *value_len = t->term->u.general->len;
+ if (t->displayTerm)
+ {
+ *disp_term = t->displayTerm;
+ *disp_len = strlen(*disp_term);
+ }
+ else if (t->term->which == Z_Term_general)
+ {
+ *disp_term = (const char *) t->term->u.general->buf;
+ *disp_len = t->term->u.general->len;
+ }
+ *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
+ }
+ }
+ if (scan->srw_scan_response)
+ {
+ Z_SRW_scanResponse *res = scan->srw_scan_response;
+ Z_SRW_scanTerm *t = res->terms + pos;
+ if (t)
+ {
+ *value_term = t->value;
+ *value_len = strlen(*value_term);
+
+ if (t->displayTerm)
+ *disp_term = t->displayTerm;
+ else
+ *disp_term = t->value;
+ *disp_len = strlen(*disp_term);
+ *occ = t->numberOfRecords ? *t->numberOfRecords : 0;
}
- *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
}
- return term;
+}
+
+ZOOM_API(const char *)
+ ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
+ int *occ, int *len)
+{
+ const char *value_term = 0;
+ size_t value_len = 0;
+ const char *disp_term = 0;
+ size_t disp_len = 0;
+
+ ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
+ &disp_term, &disp_len);
+
+ *len = value_len;
+ return value_term;
}
ZOOM_API(const char *)
ZOOM_scanset_display_term(ZOOM_scanset scan, size_t pos,
int *occ, int *len)
{
- const char *term = 0;
- size_t noent = ZOOM_scanset_size(scan);
- Z_ScanResponse *res = scan->scan_response;
-
- *len = 0;
- *occ = 0;
- if (pos >= noent)
- return 0;
- if (res->entries->entries[pos]->which == Z_Entry_termInfo)
- {
- Z_TermInfo *t = res->entries->entries[pos]->u.termInfo;
+ const char *value_term = 0;
+ size_t value_len = 0;
+ const char *disp_term = 0;
+ size_t disp_len = 0;
- if (t->displayTerm)
- {
- term = t->displayTerm;
- *len = strlen(term);
- }
- else if (t->term->which == Z_Term_general)
- {
- term = (const char *) t->term->u.general->buf;
- *len = t->term->u.general->len;
- }
- *occ = t->globalOccurrences ? *t->globalOccurrences : 0;
- }
- return term;
+ ZOOM_scanset_term_x(scan, pos, occ, &value_term, &value_len,
+ &disp_term, &disp_len);
+
+ *len = disp_len;
+ return disp_term;
}
ZOOM_API(const char *)
ret = do_connect(c);
break;
case ZOOM_TASK_SCAN:
- ret = send_scan(c);
+ if (c->proto == PROTO_HTTP)
+ ret = ZOOM_connection_srw_send_scan(c);
+ else
+ ret = ZOOM_connection_send_scan(c);
break;
case ZOOM_TASK_PACKAGE:
ret = send_package(c);
record_cache_add(resultset, npr, pos, syntax, elementSetName);
}
if (res->num_diagnostics > 0)
- {
- const char *uri = res->diagnostics[0].uri;
- if (uri)
- {
- int code = 0;
- const char *cp;
- if ((cp = strrchr(uri, '/')))
- code = atoi(cp+1);
- set_dset_error(c, code, uri,
- res->diagnostics[0].details, 0);
- }
- }
+ set_SRU_error(c, &res->diagnostics[0]);
nmem = odr_extract_mem(c->odr_in);
nmem_transfer(odr_getmem(resultset->odr), nmem);
nmem_destroy(nmem);
#endif
#if YAZ_HAVE_XML2
+static void handle_srw_scan_response(ZOOM_connection c,
+ Z_SRW_scanResponse *res)
+{
+ NMEM nmem = odr_extract_mem(c->odr_in);
+ ZOOM_scanset scan;
+
+ if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
+ return;
+ scan = c->tasks->u.scan.scan;
+
+ if (res->num_diagnostics > 0)
+ set_SRU_error(c, &res->diagnostics[0]);
+
+ scan->scan_response = 0;
+ scan->srw_scan_response = res;
+ nmem_transfer(odr_getmem(scan->odr), nmem);
+
+ ZOOM_options_set_int(scan->options, "number", res->num_terms);
+ nmem_destroy(nmem);
+}
+#endif
+
+#if YAZ_HAVE_XML2
static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
{
int ret = -1;
Z_SRW_PDU *sr = (Z_SRW_PDU*) soap_package->u.generic->p;
if (sr->which == Z_SRW_searchRetrieve_response)
handle_srw_response(c, sr->u.response);
+ else if (sr->which == Z_SRW_scan_response)
+ handle_srw_scan_response(c, sr->u.scan_response);
else
ret = -1;
}