1 /* This file is part of Pazpar2.
2 Copyright (C) 2006-2011 Index Data
4 Pazpar2 is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
39 #include <yaz/marcdisp.h>
40 #include <yaz/comstack.h>
41 #include <yaz/tcpip.h>
42 #include <yaz/proto.h>
43 #include <yaz/readconf.h>
44 #include <yaz/pquery.h>
45 #include <yaz/otherinfo.h>
46 #include <yaz/yaz-util.h>
48 #include <yaz/query-charset.h>
49 #include <yaz/querytowrbuf.h>
50 #include <yaz/oid_db.h>
51 #include <yaz/diagbib1.h>
52 #include <yaz/snprintf.h>
53 #include <yaz/rpn2cql.h>
54 #include <yaz/rpn2solr.h>
58 #include <yaz/timing.h>
63 #include "parameters.h"
65 #include "connection.h"
67 #include "relevance.h"
70 static YAZ_MUTEX g_mutex = 0;
71 static int no_clients = 0;
72 static int no_clients_total = 0;
74 static int client_use(int delta)
78 yaz_mutex_create(&g_mutex);
79 yaz_mutex_enter(g_mutex);
82 no_clients_total += delta;
84 yaz_mutex_leave(g_mutex);
85 yaz_log(YLOG_DEBUG, "%s clients=%d", delta == 0 ? "" : (delta > 0 ? "INC" : "DEC"), clients);
89 int clients_count(void) {
93 int clients_count_total(void) {
97 yaz_mutex_enter(g_mutex);
98 total = no_clients_total;
99 yaz_mutex_leave(g_mutex);
104 /** \brief Represents client state for a connection to one search target */
106 struct session_database *database;
107 struct connection *connection;
108 struct session *session;
109 char *pquery; // Current search
110 char *cqlquery; // used for SRU targets only
117 enum client_state state;
118 struct show_raw *show_raw;
119 ZOOM_resultset resultset;
122 /* copy of database->url */
127 int active; // whether this request has been sent to the server
132 void (*error_handler)(void *data, const char *addinfo);
133 void (*record_handler)(void *data, const char *buf, size_t sz);
135 struct show_raw *next;
138 static const char *client_states[] = {
144 "Client_Disconnected"
147 const char *client_get_state_str(struct client *cl)
149 return client_states[cl->state];
152 enum client_state client_get_state(struct client *cl)
157 void client_set_state(struct client *cl, enum client_state st)
160 if (client_is_active(cl))
163 /* If client is going from being active to inactive and all clients
164 are now idle we fire a watch for the session . The assumption is
165 that session is not mutex locked if client is already active */
166 if (was_active && !client_is_active(cl) && cl->session)
169 int no_active = session_active_clients(cl->session);
170 yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d", client_get_url(cl), no_active);
171 if (no_active == 0) {
172 session_alert_watch(cl->session, SESSION_WATCH_SHOW);
173 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
178 static void client_show_raw_error(struct client *cl, const char *addinfo);
180 struct connection *client_get_connection(struct client *cl)
182 return cl->connection;
185 struct session_database *client_get_database(struct client *cl)
190 struct session *client_get_session(struct client *cl)
195 const char *client_get_pquery(struct client *cl)
200 static void client_send_raw_present(struct client *cl);
201 static int nativesyntax_to_type(struct session_database *sdb, char *type,
204 static void client_show_immediate(
205 ZOOM_resultset resultset, struct session_database *sdb, int position,
207 void (*error_handler)(void *data, const char *addinfo),
208 void (*record_handler)(void *data, const char *buf, size_t sz),
218 error_handler(data, "no resultset");
221 rec = ZOOM_resultset_record(resultset, position-1);
224 error_handler(data, "no record");
230 nativesyntax_to_type(sdb, type, rec);
231 buf = ZOOM_record_get(rec, type, &len);
234 error_handler(data, "no record");
237 record_handler(data, buf, len);
241 int client_show_raw_begin(struct client *cl, int position,
242 const char *syntax, const char *esn,
244 void (*error_handler)(void *data, const char *addinfo),
245 void (*record_handler)(void *data, const char *buf,
249 if (syntax == 0 && esn == 0)
250 client_show_immediate(cl->resultset, client_get_database(cl),
252 error_handler, record_handler,
256 struct show_raw *rr, **rrp;
262 rr = xmalloc(sizeof(*rr));
263 rr->position = position;
266 rr->error_handler = error_handler;
267 rr->record_handler = record_handler;
270 rr->syntax = xstrdup(syntax);
274 rr->esn = xstrdup(esn);
279 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
283 if (cl->state == Client_Failed)
285 client_show_raw_error(cl, "client failed");
287 else if (cl->state == Client_Disconnected)
289 client_show_raw_error(cl, "client disconnected");
293 client_send_raw_present(cl);
299 static void client_show_raw_delete(struct show_raw *r)
306 void client_show_raw_remove(struct client *cl, void *data)
308 struct show_raw *rr = data;
309 struct show_raw **rrp = &cl->show_raw;
315 client_show_raw_delete(rr);
319 void client_show_raw_dequeue(struct client *cl)
321 struct show_raw *rr = cl->show_raw;
323 cl->show_raw = rr->next;
324 client_show_raw_delete(rr);
327 static void client_show_raw_error(struct client *cl, const char *addinfo)
331 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
332 client_show_raw_dequeue(cl);
336 static void client_send_raw_present(struct client *cl)
338 struct session_database *sdb = client_get_database(cl);
339 struct connection *co = client_get_connection(cl);
340 ZOOM_resultset set = cl->resultset;
342 int offset = cl->show_raw->position;
343 const char *syntax = 0;
344 const char *elements = 0;
346 assert(cl->show_raw);
349 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
350 client_get_url(cl), 1, offset);
352 if (cl->show_raw->syntax)
353 syntax = cl->show_raw->syntax;
355 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
356 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
358 if (cl->show_raw->esn)
359 elements = cl->show_raw->esn;
361 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
362 if (elements && *elements)
363 ZOOM_resultset_option_set(set, "elementSetName", elements);
365 ZOOM_resultset_records(set, 0, offset-1, 1);
366 cl->show_raw->active = 1;
368 connection_continue(co);
371 static int nativesyntax_to_type(struct session_database *sdb, char *type,
374 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
378 if (!strncmp(s, "iso2709", 7))
380 const char *cp = strchr(s, ';');
381 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
383 else if (!strncmp(s, "xml", 3))
387 else if (!strncmp(s, "txml", 4))
389 const char *cp = strchr(s, ';');
390 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
396 else /* attempt to deduce structure */
398 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
401 if (!strcmp(syntax, "XML"))
406 else if (!strcmp(syntax, "TXML"))
408 strcpy(type, "txml");
411 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
413 strcpy(type, "xml; charset=marc8-s");
423 * TODO Consider thread safety!!!
426 int client_report_facets(struct client *cl, ZOOM_resultset rs) {
428 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
430 struct session *se = client_get_session(cl);
431 facet_num = ZOOM_resultset_facets_size(rs);
432 yaz_log(YLOG_DEBUG, "client_report_facets: %d", facet_num);
434 for (facet_idx = 0; facet_idx < facet_num; facet_idx++) {
435 const char *name = ZOOM_facet_field_name(facets[facet_idx]);
437 size_t term_num = ZOOM_facet_field_term_count(facets[facet_idx]);
438 for (term_idx = 0; term_idx < term_num; term_idx++ ) {
440 const char *term = ZOOM_facet_field_get_term(facets[facet_idx], term_idx, &freq);
442 add_facet(se, name, term, freq);
449 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
455 if (cl->show_raw->binary)
459 struct session_database *sdb = client_get_database(cl);
460 nativesyntax_to_type(sdb, type, rec);
463 buf = ZOOM_record_get(rec, type, &len);
464 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
465 client_show_raw_dequeue(cl);
468 void client_check_preferred_watch(struct client *cl)
470 struct session *se = cl->session;
471 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_url(cl));
475 if (session_is_preferred_clients_ready(se)) {
476 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
479 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
484 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_url(cl));
488 void client_search_response(struct client *cl)
490 struct connection *co = cl->connection;
491 struct session *se = cl->session;
492 ZOOM_connection link = connection_get_link(co);
493 ZOOM_resultset resultset = cl->resultset;
495 const char *error, *addinfo = 0;
497 if (ZOOM_connection_error(link, &error, &addinfo))
500 client_set_state(cl, Client_Error);
501 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
502 error, addinfo, client_get_url(cl));
506 yaz_log(YLOG_DEBUG, "client_search_response: hits "
507 ODR_INT_PRINTF, cl->hits);
508 client_report_facets(cl, resultset);
509 cl->record_offset = cl->startrecs;
510 cl->hits = ZOOM_resultset_size(resultset);
512 se->total_hits += cl->hits;
513 yaz_log(YLOG_DEBUG, "client_search_response: total hits "
514 ODR_INT_PRINTF, se->total_hits);
519 void client_got_records(struct client *cl)
521 struct session *se = cl->session;
525 session_alert_watch(se, SESSION_WATCH_SHOW);
526 session_alert_watch(se, SESSION_WATCH_RECORD);
531 void client_record_response(struct client *cl)
533 struct connection *co = cl->connection;
534 ZOOM_connection link = connection_get_link(co);
535 ZOOM_resultset resultset = cl->resultset;
536 const char *error, *addinfo;
538 if (ZOOM_connection_error(link, &error, &addinfo))
540 client_set_state(cl, Client_Error);
541 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
542 error, addinfo, client_get_url(cl));
547 const char *msg, *addinfo;
549 if (cl->show_raw && cl->show_raw->active)
551 if ((rec = ZOOM_resultset_record(resultset,
552 cl->show_raw->position-1)))
554 cl->show_raw->active = 0;
555 ingest_raw_record(cl, rec);
559 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
560 cl->show_raw->position-1);
565 int offset = cl->record_offset;
566 if ((rec = ZOOM_resultset_record(resultset, offset)))
569 if (cl->session == 0)
571 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
573 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
574 msg, addinfo, client_get_url(cl),
579 struct session_database *sdb = client_get_database(cl);
580 NMEM nmem = nmem_create();
584 if (nativesyntax_to_type(sdb, type, rec))
585 yaz_log(YLOG_WARN, "Failed to determine record type");
586 xmlrec = ZOOM_record_get(rec, type, NULL);
588 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
592 /* OK = 0, -1 = failure, -2 = Filtered */
593 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
594 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_url(cl));
601 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
608 static int client_set_facets_request(struct client *cl, ZOOM_connection link)
610 struct session_database *sdb = client_get_database(cl);
611 const char *opt_facet_term_sort = session_setting_oneval(sdb, PZ_TERMLIST_TERM_SORT);
612 const char *opt_facet_term_count = session_setting_oneval(sdb, PZ_TERMLIST_TERM_COUNT);
614 /* Future record filtering on target */
615 /* const char *opt_facet_record_filter = session_setting_oneval(sdb, PZ_RECORDFILTER); */
617 /* Disable when no count is set */
618 /* TODO Verify: Do we need to reset the ZOOM facets if a ZOOM Connection is being reused??? */
619 if (opt_facet_term_count && *opt_facet_term_count)
622 struct session *session = client_get_session(cl);
623 struct conf_service *service = session->service;
624 int num = service->num_metadata;
625 WRBUF wrbuf = wrbuf_alloc();
626 yaz_log(YLOG_DEBUG, "Facet settings, sort: %s count: %s",
627 opt_facet_term_sort, opt_facet_term_count);
628 for (index = 0; index < num; index++)
630 struct conf_metadata *conf_meta = &service->metadata[index];
631 if (conf_meta->termlist)
633 if (wrbuf_len(wrbuf))
634 wrbuf_puts(wrbuf, ", ");
635 wrbuf_printf(wrbuf, "@attr 1=%s", conf_meta->name);
637 if (opt_facet_term_sort && *opt_facet_term_sort)
638 wrbuf_printf(wrbuf, " @attr 2=%s", opt_facet_term_sort);
639 wrbuf_printf(wrbuf, " @attr 3=%s", opt_facet_term_count);
642 if (wrbuf_len(wrbuf))
644 yaz_log(YLOG_LOG, "Setting ZOOM facets option: %s", wrbuf_cstr(wrbuf));
645 ZOOM_connection_option_set(link, "facets", wrbuf_cstr(wrbuf));
652 int client_has_facet(struct client *cl, const char *name) {
653 ZOOM_facet_field facet_field;
654 if (!cl || !cl->resultset || !name) {
657 facet_field = ZOOM_resultset_get_facet_field(cl->resultset, name);
665 void client_start_search(struct client *cl)
667 struct session_database *sdb = client_get_database(cl);
668 struct connection *co = client_get_connection(cl);
669 ZOOM_connection link = connection_get_link(co);
671 char *databaseName = sdb->database->databases[0];
672 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
673 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
674 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
675 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
676 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
677 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
678 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
679 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
680 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
681 char maxrecs_str[24], startrecs_str[24];
686 cl->record_offset = 0;
689 if (extra_args && *extra_args)
690 ZOOM_connection_option_set(link, "extraArgs", extra_args);
693 cl->preferred = atoi(opt_preferred);
695 yaz_log(YLOG_LOG, "Target %s has preferred status: %d", sdb->database->url, cl->preferred);
697 client_set_state(cl, Client_Working);
700 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
702 ZOOM_connection_option_set(link, "piggyback", "1");
704 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
705 if (*opt_sru && *opt_elements)
706 ZOOM_connection_option_set(link, "schema", opt_elements);
707 else if (*opt_elements)
708 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
710 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
712 if (opt_maxrecs && *opt_maxrecs)
714 cl->maxrecs = atoi(opt_maxrecs);
717 /* convert back to string representation used in ZOOM API */
718 sprintf(maxrecs_str, "%d", cl->maxrecs);
719 ZOOM_connection_option_set(link, "count", maxrecs_str);
721 if (cl->maxrecs > 20)
722 ZOOM_connection_option_set(link, "presentChunk", "20");
724 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
726 sprintf(startrecs_str, "%d", cl->startrecs);
727 ZOOM_connection_option_set(link, "start", startrecs_str);
730 ZOOM_connection_option_set(link, "databaseName", databaseName);
732 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
733 /* facets definition is in PQF */
734 client_set_facets_request(cl, link);
738 ZOOM_query q = ZOOM_query_create();
739 yaz_log(YLOG_LOG, "Search %s CQL: %s", sdb->database->url, cl->cqlquery);
740 ZOOM_query_cql(q, cl->cqlquery);
742 ZOOM_query_sortby(q, opt_sort);
743 rs = ZOOM_connection_search(link, q);
744 ZOOM_query_destroy(q);
748 yaz_log(YLOG_LOG, "Search %s PQF: %s", sdb->database->url, cl->pquery);
749 rs = ZOOM_connection_search_pqf(link, cl->pquery);
751 ZOOM_resultset_destroy(cl->resultset);
753 connection_continue(co);
756 struct client *client_create(void)
758 struct client *cl = xmalloc(sizeof(*cl));
767 cl->record_offset = 0;
769 cl->state = Client_Disconnected;
773 pazpar2_mutex_create(&cl->mutex, "client");
782 void client_lock(struct client *c)
784 yaz_mutex_enter(c->mutex);
787 void client_unlock(struct client *c)
789 yaz_mutex_leave(c->mutex);
792 void client_incref(struct client *c)
794 pazpar2_incref(&c->ref_count, c->mutex);
795 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
796 c, client_get_url(c), c->ref_count);
799 int client_destroy(struct client *c)
803 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
804 c, client_get_url(c), c->ref_count);
805 if (!pazpar2_decref(&c->ref_count, c->mutex))
812 assert(!c->connection);
816 ZOOM_resultset_destroy(c->resultset);
818 yaz_mutex_destroy(&c->mutex);
827 void client_set_connection(struct client *cl, struct connection *con)
830 ZOOM_resultset_release(cl->resultset);
833 assert(cl->connection == 0);
834 cl->connection = con;
839 cl->connection = con;
844 void client_disconnect(struct client *cl)
846 if (cl->state != Client_Idle)
847 client_set_state(cl, Client_Disconnected);
848 client_set_connection(cl, 0);
851 // Extract terms from query into null-terminated termlist
852 static void extract_terms(NMEM nmem, struct ccl_rpn_node *query, char **termlist)
856 pull_terms(nmem, query, termlist, &num);
860 // Initialize CCL map for a target
861 static CCL_bibset prepare_cclmap(struct client *cl)
863 struct session_database *sdb = client_get_database(cl);
870 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
872 char *p = strchr(s->name + 3, ':');
875 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
880 ccl_qual_fitem(res, s->value, p);
885 // returns a xmalloced CQL query corresponding to the pquery in client
886 static char *make_cqlquery(struct client *cl)
888 cql_transform_t cqlt = cql_transform_create();
891 WRBUF wrb = wrbuf_alloc();
893 ODR odr_out = odr_createmem(ODR_ENCODE);
895 zquery = p_query_rpn(odr_out, cl->pquery);
896 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
897 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
899 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
904 r = xstrdup(wrbuf_cstr(wrb));
907 odr_destroy(odr_out);
908 cql_transform_close(cqlt);
912 // returns a xmalloced SOLR query corresponding to the pquery in client
913 // TODO Could prob. be merge with the similar make_cqlquery
914 static char *make_solrquery(struct client *cl)
916 solr_transform_t sqlt = solr_transform_create();
919 WRBUF wrb = wrbuf_alloc();
921 ODR odr_out = odr_createmem(ODR_ENCODE);
923 zquery = p_query_rpn(odr_out, cl->pquery);
924 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
925 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
927 yaz_log(YLOG_WARN, "Failed to generate SOLR query, code=%d", status);
932 r = xstrdup(wrbuf_cstr(wrb));
935 odr_destroy(odr_out);
936 solr_transform_close(sqlt);
940 // Parse the query given the settings specific to this client
941 int client_parse_query(struct client *cl, const char *query)
943 struct session *se = client_get_session(cl);
944 struct session_database *sdb = client_get_database(cl);
945 struct ccl_rpn_node *cn;
946 struct ccl_rpn_node *cn_recordfilter = 0;
948 CCL_bibset ccl_map = prepare_cclmap(cl);
949 const char *sru = session_setting_oneval(sdb, PZ_SRU);
950 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
951 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
952 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
953 /* Collected, Mixed, Remote */
954 const char *option_recordfilter = session_setting_oneval(sdb, PZ_OPTION_RECORDFILTER);
955 const char *record_filter = session_setting_oneval(sdb, PZ_RECORDFILTER);
959 yaz_log(YLOG_DEBUG, "query: %s", query);
960 cn = ccl_find_str(ccl_map, query, &cerror, &cpos);
961 if (strcmp("remote", option_recordfilter) == 0 && record_filter != 0 && record_filter[0] != 0) {
963 yaz_log(YLOG_DEBUG, "record_filter: %s", record_filter);
964 cn_recordfilter = ccl_find_str(ccl_map, record_filter, &cerror, &cpos);
965 if (!cn_recordfilter)
966 session_log(se, YLOG_WARN, "Failed to parse CCL record filter '%s' for %s",
967 record_filter, client_get_database(cl)->database->url);
969 ccl_qual_rm(&ccl_map);
972 client_set_state(cl, Client_Error);
973 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
975 client_get_database(cl)->database->url);
978 wrbuf_rewind(se->wrbuf);
981 wrbuf_puts(se->wrbuf, pqf_prefix);
982 wrbuf_puts(se->wrbuf, " ");
985 if (cn_recordfilter) {
986 wrbuf_puts(se->wrbuf, "@and ");
987 ccl_pquery(se->wrbuf, cn_recordfilter);
988 wrbuf_puts(se->wrbuf, " ");
991 if (!pqf_strftime || !*pqf_strftime)
992 ccl_pquery(se->wrbuf, cn);
995 time_t cur_time = time(0);
996 struct tm *tm = localtime(&cur_time);
998 const char *cp = tmp_str;
1000 /* see man strftime(3) for things .. In particular %% gets converted
1001 to %.. And That's our original query .. */
1002 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1006 ccl_pquery(se->wrbuf, cn);
1008 wrbuf_putc(se->wrbuf, cp[0]);
1012 cl->pquery = xstrdup(wrbuf_cstr(se->wrbuf));
1014 yaz_log(YLOG_DEBUG, "PQF query: %s", cl->pquery);
1016 xfree(cl->cqlquery);
1018 /* Support for PQF on SRU targets. */
1020 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1021 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1023 if (!strcmp(sru, "solr")) {
1024 if (!(cl->cqlquery = make_solrquery(cl)))
1028 if (!(cl->cqlquery = make_cqlquery(cl)))
1035 /* TODO FIX Not thread safe */
1038 // Initialize relevance structure with query terms
1040 extract_terms(se->nmem, cn, p);
1041 se->relevance = relevance_create(
1042 se->service->relevance_pct,
1043 se->nmem, (const char **) p);
1050 void client_set_session(struct client *cl, struct session *se)
1055 int client_is_active(struct client *cl)
1057 if (cl->connection && (cl->state == Client_Connecting ||
1058 cl->state == Client_Working))
1063 int client_is_active_preferred(struct client *cl)
1065 /* only count if this is a preferred target. */
1068 /* TODO No sure this the condition that Seb wants */
1069 if (cl->connection && (cl->state == Client_Connecting ||
1070 cl->state == Client_Working))
1076 Odr_int client_get_hits(struct client *cl)
1081 int client_get_num_records(struct client *cl)
1083 return cl->record_offset;
1086 void client_set_diagnostic(struct client *cl, int diagnostic)
1088 cl->diagnostic = diagnostic;
1091 int client_get_diagnostic(struct client *cl)
1093 return cl->diagnostic;
1096 void client_set_database(struct client *cl, struct session_database *db)
1099 /* Copy the URL for safe logging even after session is gone */
1101 cl->url = xstrdup(db->database->url);
1105 struct host *client_get_host(struct client *cl)
1107 return client_get_database(cl)->database->host;
1110 const char *client_get_url(struct client *cl)
1115 /* This must not happen anymore, as the url is present until destruction of client */
1119 void client_set_maxrecs(struct client *cl, int v)
1124 int client_get_maxrecs(struct client *cl)
1129 void client_set_startrecs(struct client *cl, int v)
1134 void client_set_preferred(struct client *cl, int v)
1143 * c-file-style: "Stroustrup"
1144 * indent-tabs-mode: nil
1146 * vim: shiftwidth=4 tabstop=8 expandtab