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;
126 int active; // whether this request has been sent to the server
131 void (*error_handler)(void *data, const char *addinfo);
132 void (*record_handler)(void *data, const char *buf, size_t sz);
134 struct show_raw *next;
137 static const char *client_states[] = {
143 "Client_Disconnected"
146 const char *client_get_state_str(struct client *cl)
148 return client_states[cl->state];
151 enum client_state client_get_state(struct client *cl)
156 void client_set_state(struct client *cl, enum client_state st)
159 if (client_is_active(cl))
162 /* If client is going from being active to inactive and all clients
163 are now idle we fire a watch for the session . The assumption is
164 that session is not mutex locked if client is already active */
165 if (was_active && !client_is_active(cl) && cl->session)
168 int no_active = session_active_clients(cl->session);
169 yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d", client_get_url(cl), no_active);
170 if (no_active == 0) {
171 session_alert_watch(cl->session, SESSION_WATCH_SHOW);
172 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
177 static void client_show_raw_error(struct client *cl, const char *addinfo);
179 struct connection *client_get_connection(struct client *cl)
181 return cl->connection;
184 struct session_database *client_get_database(struct client *cl)
189 struct session *client_get_session(struct client *cl)
194 const char *client_get_pquery(struct client *cl)
199 static void client_send_raw_present(struct client *cl);
200 static int nativesyntax_to_type(struct session_database *sdb, char *type,
203 static void client_show_immediate(
204 ZOOM_resultset resultset, struct session_database *sdb, int position,
206 void (*error_handler)(void *data, const char *addinfo),
207 void (*record_handler)(void *data, const char *buf, size_t sz),
217 error_handler(data, "no resultset");
220 rec = ZOOM_resultset_record(resultset, position-1);
223 error_handler(data, "no record");
229 nativesyntax_to_type(sdb, type, rec);
230 buf = ZOOM_record_get(rec, type, &len);
233 error_handler(data, "no record");
236 record_handler(data, buf, len);
240 int client_show_raw_begin(struct client *cl, int position,
241 const char *syntax, const char *esn,
243 void (*error_handler)(void *data, const char *addinfo),
244 void (*record_handler)(void *data, const char *buf,
248 if (syntax == 0 && esn == 0)
249 client_show_immediate(cl->resultset, client_get_database(cl),
251 error_handler, record_handler,
255 struct show_raw *rr, **rrp;
261 rr = xmalloc(sizeof(*rr));
262 rr->position = position;
265 rr->error_handler = error_handler;
266 rr->record_handler = record_handler;
269 rr->syntax = xstrdup(syntax);
273 rr->esn = xstrdup(esn);
278 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
282 if (cl->state == Client_Failed)
284 client_show_raw_error(cl, "client failed");
286 else if (cl->state == Client_Disconnected)
288 client_show_raw_error(cl, "client disconnected");
292 client_send_raw_present(cl);
298 static void client_show_raw_delete(struct show_raw *r)
305 void client_show_raw_remove(struct client *cl, void *data)
307 struct show_raw *rr = data;
308 struct show_raw **rrp = &cl->show_raw;
314 client_show_raw_delete(rr);
318 void client_show_raw_dequeue(struct client *cl)
320 struct show_raw *rr = cl->show_raw;
322 cl->show_raw = rr->next;
323 client_show_raw_delete(rr);
326 static void client_show_raw_error(struct client *cl, const char *addinfo)
330 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
331 client_show_raw_dequeue(cl);
335 static void client_send_raw_present(struct client *cl)
337 struct session_database *sdb = client_get_database(cl);
338 struct connection *co = client_get_connection(cl);
339 ZOOM_resultset set = cl->resultset;
341 int offset = cl->show_raw->position;
342 const char *syntax = 0;
343 const char *elements = 0;
345 assert(cl->show_raw);
348 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
349 client_get_url(cl), 1, offset);
351 if (cl->show_raw->syntax)
352 syntax = cl->show_raw->syntax;
354 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
355 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
357 if (cl->show_raw->esn)
358 elements = cl->show_raw->esn;
360 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
361 if (elements && *elements)
362 ZOOM_resultset_option_set(set, "elementSetName", elements);
364 ZOOM_resultset_records(set, 0, offset-1, 1);
365 cl->show_raw->active = 1;
367 connection_continue(co);
370 static int nativesyntax_to_type(struct session_database *sdb, char *type,
373 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
377 if (!strncmp(s, "iso2709", 7))
379 const char *cp = strchr(s, ';');
380 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
382 else if (!strncmp(s, "xml", 3))
386 else if (!strncmp(s, "txml", 4))
388 const char *cp = strchr(s, ';');
389 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
395 else /* attempt to deduce structure */
397 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
400 if (!strcmp(syntax, "XML"))
405 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
407 strcpy(type, "xml; charset=marc8-s");
417 * TODO Consider thread safety!!!
420 void client_report_facets(struct client *cl, ZOOM_resultset rs)
422 struct session_database *sdb = client_get_database(cl);
423 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
427 struct session *se = client_get_session(cl);
428 int facet_num = ZOOM_resultset_facets_size(rs);
431 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
433 const char *p = strchr(s->name + 3, ':');
434 if (p && p[1] && s->value && s->value[0])
437 p++; /* p now holds logical facet name */
438 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
440 const char *native_name =
441 ZOOM_facet_field_name(facets[facet_idx]);
442 if (native_name && !strcmp(s->value, native_name))
446 ZOOM_facet_field_term_count(facets[facet_idx]);
447 for (term_idx = 0; term_idx < term_num; term_idx++ )
451 ZOOM_facet_field_get_term(facets[facet_idx],
454 add_facet(se, p, term, freq);
464 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
470 if (cl->show_raw->binary)
474 struct session_database *sdb = client_get_database(cl);
475 nativesyntax_to_type(sdb, type, rec);
478 buf = ZOOM_record_get(rec, type, &len);
479 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
480 client_show_raw_dequeue(cl);
483 void client_check_preferred_watch(struct client *cl)
485 struct session *se = cl->session;
486 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_url(cl));
490 /* TODO possible threading issue. Session can have been destroyed */
491 if (session_is_preferred_clients_ready(se)) {
492 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
495 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
500 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_url(cl));
504 void client_search_response(struct client *cl)
506 struct connection *co = cl->connection;
507 struct session *se = cl->session;
508 ZOOM_connection link = connection_get_link(co);
509 ZOOM_resultset resultset = cl->resultset;
511 const char *error, *addinfo = 0;
513 if (ZOOM_connection_error(link, &error, &addinfo))
516 client_set_state(cl, Client_Error);
517 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
518 error, addinfo, client_get_url(cl));
522 yaz_log(YLOG_DEBUG, "client_search_response: hits "
523 ODR_INT_PRINTF, cl->hits);
524 client_report_facets(cl, resultset);
525 cl->record_offset = cl->startrecs;
526 cl->hits = ZOOM_resultset_size(resultset);
528 se->total_hits += cl->hits;
529 yaz_log(YLOG_DEBUG, "client_search_response: total hits "
530 ODR_INT_PRINTF, se->total_hits);
535 void client_got_records(struct client *cl)
537 struct session *se = cl->session;
541 session_alert_watch(se, SESSION_WATCH_SHOW);
542 session_alert_watch(se, SESSION_WATCH_RECORD);
547 void client_record_response(struct client *cl)
549 struct connection *co = cl->connection;
550 ZOOM_connection link = connection_get_link(co);
551 ZOOM_resultset resultset = cl->resultset;
552 const char *error, *addinfo;
554 if (ZOOM_connection_error(link, &error, &addinfo))
556 client_set_state(cl, Client_Error);
557 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
558 error, addinfo, client_get_url(cl));
563 const char *msg, *addinfo;
565 if (cl->show_raw && cl->show_raw->active)
567 if ((rec = ZOOM_resultset_record(resultset,
568 cl->show_raw->position-1)))
570 cl->show_raw->active = 0;
571 ingest_raw_record(cl, rec);
575 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
576 cl->show_raw->position-1);
581 int offset = cl->record_offset;
582 if ((rec = ZOOM_resultset_record(resultset, offset)))
585 if (cl->session == 0)
587 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
589 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
590 msg, addinfo, client_get_url(cl),
595 struct session_database *sdb = client_get_database(cl);
596 NMEM nmem = nmem_create();
600 if (nativesyntax_to_type(sdb, type, rec))
601 yaz_log(YLOG_WARN, "Failed to determine record type");
602 xmlrec = ZOOM_record_get(rec, type, NULL);
604 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
608 /* OK = 0, -1 = failure, -2 = Filtered */
609 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
610 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_url(cl));
617 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
624 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
626 struct session_database *sdb = client_get_database(cl);
628 WRBUF w = wrbuf_alloc();
632 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
634 const char *p = strchr(s->name + 3, ':');
637 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
639 else if (s->value && s->value[0])
641 wrbuf_puts(w, "@attr 1=");
642 yaz_encode_pqf_term(w, s->value, strlen(s->value));
647 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
648 ZOOM_connection_option_set(link, "facets",
649 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
653 int client_has_facet(struct client *cl, const char *name)
655 struct session_database *sdb = client_get_database(cl);
658 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
660 const char *p = strchr(s->name + 3, ':');
661 if (p && !strcmp(name, p + 1))
667 void client_start_search(struct client *cl)
669 struct session_database *sdb = client_get_database(cl);
670 struct connection *co = client_get_connection(cl);
671 ZOOM_connection link = connection_get_link(co);
673 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
674 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
675 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
676 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
677 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
678 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
679 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
680 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
681 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
682 char maxrecs_str[24], startrecs_str[24];
687 cl->record_offset = 0;
690 if (extra_args && *extra_args)
691 ZOOM_connection_option_set(link, "extraArgs", extra_args);
694 cl->preferred = atoi(opt_preferred);
696 yaz_log(YLOG_LOG, "Target %s has preferred status: %d", sdb->database->url, cl->preferred);
698 client_set_state(cl, Client_Working);
701 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
703 ZOOM_connection_option_set(link, "piggyback", "1");
705 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
706 if (*opt_sru && *opt_elements)
707 ZOOM_connection_option_set(link, "schema", opt_elements);
708 else if (*opt_elements)
709 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
711 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
713 if (opt_maxrecs && *opt_maxrecs)
715 cl->maxrecs = atoi(opt_maxrecs);
718 /* convert back to string representation used in ZOOM API */
719 sprintf(maxrecs_str, "%d", cl->maxrecs);
720 ZOOM_connection_option_set(link, "count", maxrecs_str);
722 if (cl->maxrecs > 20)
723 ZOOM_connection_option_set(link, "presentChunk", "20");
725 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
727 sprintf(startrecs_str, "%d", cl->startrecs);
728 ZOOM_connection_option_set(link, "start", startrecs_str);
730 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
731 /* facets definition is in PQF */
732 client_set_facets_request(cl, link);
736 ZOOM_query q = ZOOM_query_create();
737 yaz_log(YLOG_LOG, "Search %s CQL: %s", sdb->database->url, cl->cqlquery);
738 ZOOM_query_cql(q, cl->cqlquery);
740 ZOOM_query_sortby(q, opt_sort);
741 rs = ZOOM_connection_search(link, q);
742 ZOOM_query_destroy(q);
746 yaz_log(YLOG_LOG, "Search %s PQF: %s", sdb->database->url, cl->pquery);
747 rs = ZOOM_connection_search_pqf(link, cl->pquery);
749 ZOOM_resultset_destroy(cl->resultset);
751 connection_continue(co);
754 struct client *client_create(const char *url)
756 struct client *cl = xmalloc(sizeof(*cl));
765 cl->record_offset = 0;
767 cl->state = Client_Disconnected;
771 pazpar2_mutex_create(&cl->mutex, "client");
775 cl->url = xstrdup(url);
781 void client_lock(struct client *c)
783 yaz_mutex_enter(c->mutex);
786 void client_unlock(struct client *c)
788 yaz_mutex_leave(c->mutex);
791 void client_incref(struct client *c)
793 pazpar2_incref(&c->ref_count, c->mutex);
794 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
795 c, client_get_url(c), c->ref_count);
798 int client_destroy(struct client *c)
802 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
803 c, client_get_url(c), c->ref_count);
804 if (!pazpar2_decref(&c->ref_count, c->mutex))
811 assert(!c->connection);
815 ZOOM_resultset_destroy(c->resultset);
817 yaz_mutex_destroy(&c->mutex);
826 void client_set_connection(struct client *cl, struct connection *con)
829 ZOOM_resultset_release(cl->resultset);
832 assert(cl->connection == 0);
833 cl->connection = con;
838 cl->connection = con;
843 void client_disconnect(struct client *cl)
845 if (cl->state != Client_Idle)
846 client_set_state(cl, Client_Disconnected);
847 client_set_connection(cl, 0);
851 // Initialize CCL map for a target
852 static CCL_bibset prepare_cclmap(struct client *cl)
854 struct session_database *sdb = client_get_database(cl);
861 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
863 char *p = strchr(s->name + 3, ':');
866 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
871 ccl_qual_fitem(res, s->value, p);
876 // returns a xmalloced CQL query corresponding to the pquery in client
877 static char *make_cqlquery(struct client *cl)
879 cql_transform_t cqlt = cql_transform_create();
882 WRBUF wrb = wrbuf_alloc();
884 ODR odr_out = odr_createmem(ODR_ENCODE);
886 zquery = p_query_rpn(odr_out, cl->pquery);
887 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
888 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
890 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
895 r = xstrdup(wrbuf_cstr(wrb));
898 odr_destroy(odr_out);
899 cql_transform_close(cqlt);
903 // returns a xmalloced SOLR query corresponding to the pquery in client
904 // TODO Could prob. be merge with the similar make_cqlquery
905 static char *make_solrquery(struct client *cl)
907 solr_transform_t sqlt = solr_transform_create();
910 WRBUF wrb = wrbuf_alloc();
912 ODR odr_out = odr_createmem(ODR_ENCODE);
914 zquery = p_query_rpn(odr_out, cl->pquery);
916 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
919 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
920 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
922 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
927 r = xstrdup(wrbuf_cstr(wrb));
930 odr_destroy(odr_out);
931 solr_transform_close(sqlt);
935 static void apply_limit(struct session_database *sdb,
936 facet_limits_t facet_limits,
937 WRBUF w_pqf, WRBUF w_ccl)
942 NMEM nmem_tmp = nmem_create();
943 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
945 struct setting *s = 0;
947 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
949 const char *p = strchr(s->name + 3, ':');
950 if (p && !strcmp(p + 1, name) && s->value)
954 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
957 if (!strncmp(s->value, "rpn:", 4))
959 const char *pqf = s->value + 4;
961 wrbuf_puts(w_pqf, "@and ");
962 wrbuf_puts(w_pqf, pqf);
963 wrbuf_puts(w_pqf, " ");
964 for (i = 0; i < num; i++)
967 wrbuf_puts(w_pqf, "@or ");
968 yaz_encode_pqf_term(w_pqf, values[i],
972 else if (!strncmp(s->value, "ccl:", 4))
974 const char *ccl = s->value + 4;
976 wrbuf_puts(w_ccl, " and (");
978 for (i = 0; i < num; i++)
981 wrbuf_puts(w_ccl, " or ");
982 wrbuf_puts(w_ccl, ccl);
983 wrbuf_puts(w_ccl, "=\"");
984 wrbuf_puts(w_ccl, values[i]);
985 wrbuf_puts(w_ccl, "\"");
987 wrbuf_puts(w_ccl, ")");
993 nmem_reset(nmem_tmp);
996 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
997 (sdb->database ? sdb->database->url : "<no url>"), name);
1000 nmem_destroy(nmem_tmp);
1003 // Parse the query given the settings specific to this client
1004 int client_parse_query(struct client *cl, const char *query,
1005 facet_limits_t facet_limits)
1007 struct session *se = client_get_session(cl);
1008 struct session_database *sdb = client_get_database(cl);
1009 struct ccl_rpn_node *cn;
1011 CCL_bibset ccl_map = prepare_cclmap(cl);
1012 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1013 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1014 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1015 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1020 w_ccl = wrbuf_alloc();
1021 wrbuf_puts(w_ccl, query);
1023 w_pqf = wrbuf_alloc();
1026 wrbuf_puts(w_pqf, pqf_prefix);
1027 wrbuf_puts(w_pqf, " ");
1030 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1032 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1033 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1034 ccl_qual_rm(&ccl_map);
1037 client_set_state(cl, Client_Error);
1038 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1040 client_get_database(cl)->database->url);
1041 wrbuf_destroy(w_ccl);
1042 wrbuf_destroy(w_pqf);
1045 wrbuf_destroy(w_ccl);
1047 if (!pqf_strftime || !*pqf_strftime)
1048 ccl_pquery(w_pqf, cn);
1051 time_t cur_time = time(0);
1052 struct tm *tm = localtime(&cur_time);
1054 const char *cp = tmp_str;
1056 /* see man strftime(3) for things .. In particular %% gets converted
1057 to %.. And That's our original query .. */
1058 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1062 ccl_pquery(w_pqf, cn);
1064 wrbuf_putc(w_pqf, cp[0]);
1068 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1069 wrbuf_destroy(w_pqf);
1071 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1073 xfree(cl->cqlquery);
1075 /* Support for PQF on SRU targets. */
1077 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1078 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1080 if (!strcmp(sru, "solr")) {
1081 if (!(cl->cqlquery = make_solrquery(cl)))
1085 if (!(cl->cqlquery = make_cqlquery(cl)))
1092 /* TODO FIX Not thread safe */
1095 // Initialize relevance structure with query terms
1096 se->relevance = relevance_create_ccl(
1097 se->service->charsets, se->nmem, cn);
1104 void client_set_session(struct client *cl, struct session *se)
1109 int client_is_active(struct client *cl)
1111 if (cl->connection && (cl->state == Client_Connecting ||
1112 cl->state == Client_Working))
1117 int client_is_active_preferred(struct client *cl)
1119 /* only count if this is a preferred target. */
1122 /* TODO No sure this the condition that Seb wants */
1123 if (cl->connection && (cl->state == Client_Connecting ||
1124 cl->state == Client_Working))
1129 Odr_int client_get_hits(struct client *cl)
1134 int client_get_num_records(struct client *cl)
1136 return cl->record_offset;
1139 void client_set_diagnostic(struct client *cl, int diagnostic)
1141 cl->diagnostic = diagnostic;
1144 int client_get_diagnostic(struct client *cl)
1146 return cl->diagnostic;
1149 void client_set_database(struct client *cl, struct session_database *db)
1154 const char *client_get_url(struct client *cl)
1159 void client_set_maxrecs(struct client *cl, int v)
1164 int client_get_maxrecs(struct client *cl)
1169 void client_set_startrecs(struct client *cl, int v)
1174 void client_set_preferred(struct client *cl, int v)
1183 * c-file-style: "Stroustrup"
1184 * indent-tabs-mode: nil
1186 * vim: shiftwidth=4 tabstop=8 expandtab