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 struct suggestions *suggestions;
118 enum client_state state;
119 struct show_raw *show_raw;
120 ZOOM_resultset resultset;
135 int active; // whether this request has been sent to the server
140 void (*error_handler)(void *data, const char *addinfo);
141 void (*record_handler)(void *data, const char *buf, size_t sz);
143 struct show_raw *next;
146 static const char *client_states[] = {
152 "Client_Disconnected"
155 const char *client_get_state_str(struct client *cl)
157 return client_states[cl->state];
160 enum client_state client_get_state(struct client *cl)
165 void client_set_state_nb(struct client *cl, enum client_state st)
170 void client_set_state(struct client *cl, enum client_state st)
173 if (client_is_active(cl))
176 /* If client is going from being active to inactive and all clients
177 are now idle we fire a watch for the session . The assumption is
178 that session is not mutex locked if client is already active */
179 if (was_active && !client_is_active(cl) && cl->session)
182 int no_active = session_active_clients(cl->session);
183 yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d",
184 client_get_id(cl), no_active);
185 if (no_active == 0) {
186 session_alert_watch(cl->session, SESSION_WATCH_SHOW);
187 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
192 static void client_show_raw_error(struct client *cl, const char *addinfo);
194 struct connection *client_get_connection(struct client *cl)
196 return cl->connection;
199 struct session_database *client_get_database(struct client *cl)
204 struct session *client_get_session(struct client *cl)
209 const char *client_get_pquery(struct client *cl)
214 static void client_send_raw_present(struct client *cl);
215 static int nativesyntax_to_type(struct session_database *sdb, char *type,
218 static void client_show_immediate(
219 ZOOM_resultset resultset, struct session_database *sdb, int position,
221 void (*error_handler)(void *data, const char *addinfo),
222 void (*record_handler)(void *data, const char *buf, size_t sz),
232 error_handler(data, "no resultset");
235 rec = ZOOM_resultset_record(resultset, position-1);
238 error_handler(data, "no record");
244 nativesyntax_to_type(sdb, type, rec);
245 buf = ZOOM_record_get(rec, type, &len);
248 error_handler(data, "no record");
251 record_handler(data, buf, len);
255 int client_show_raw_begin(struct client *cl, int position,
256 const char *syntax, const char *esn,
258 void (*error_handler)(void *data, const char *addinfo),
259 void (*record_handler)(void *data, const char *buf,
263 if (syntax == 0 && esn == 0)
264 client_show_immediate(cl->resultset, client_get_database(cl),
266 error_handler, record_handler,
270 struct show_raw *rr, **rrp;
276 rr = xmalloc(sizeof(*rr));
277 rr->position = position;
280 rr->error_handler = error_handler;
281 rr->record_handler = record_handler;
284 rr->syntax = xstrdup(syntax);
288 rr->esn = xstrdup(esn);
293 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
297 if (cl->state == Client_Failed)
299 client_show_raw_error(cl, "client failed");
301 else if (cl->state == Client_Disconnected)
303 client_show_raw_error(cl, "client disconnected");
307 client_send_raw_present(cl);
313 static void client_show_raw_delete(struct show_raw *r)
320 void client_show_raw_remove(struct client *cl, void *data)
322 struct show_raw *rr = data;
323 struct show_raw **rrp = &cl->show_raw;
329 client_show_raw_delete(rr);
333 void client_show_raw_dequeue(struct client *cl)
335 struct show_raw *rr = cl->show_raw;
337 cl->show_raw = rr->next;
338 client_show_raw_delete(rr);
341 static void client_show_raw_error(struct client *cl, const char *addinfo)
345 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
346 client_show_raw_dequeue(cl);
350 static void client_send_raw_present(struct client *cl)
352 struct session_database *sdb = client_get_database(cl);
353 struct connection *co = client_get_connection(cl);
354 ZOOM_resultset set = cl->resultset;
356 int offset = cl->show_raw->position;
357 const char *syntax = 0;
358 const char *elements = 0;
360 assert(cl->show_raw);
363 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
364 client_get_id(cl), 1, offset);
366 if (cl->show_raw->syntax)
367 syntax = cl->show_raw->syntax;
369 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
370 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
372 if (cl->show_raw->esn)
373 elements = cl->show_raw->esn;
375 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
376 if (elements && *elements)
377 ZOOM_resultset_option_set(set, "elementSetName", elements);
379 ZOOM_resultset_records(set, 0, offset-1, 1);
380 cl->show_raw->active = 1;
382 connection_continue(co);
385 static int nativesyntax_to_type(struct session_database *sdb, char *type,
388 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
392 if (!strncmp(s, "iso2709", 7))
394 const char *cp = strchr(s, ';');
395 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
397 else if (!strncmp(s, "xml", 3))
401 else if (!strncmp(s, "txml", 4))
403 const char *cp = strchr(s, ';');
404 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
410 else /* attempt to deduce structure */
412 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
415 if (!strcmp(syntax, "XML"))
420 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
422 strcpy(type, "xml; charset=marc8-s");
432 * TODO Consider thread safety!!!
435 void client_report_facets(struct client *cl, ZOOM_resultset rs)
437 struct session_database *sdb = client_get_database(cl);
438 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
442 struct session *se = client_get_session(cl);
443 int facet_num = ZOOM_resultset_facets_size(rs);
446 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
448 const char *p = strchr(s->name + 3, ':');
449 if (p && p[1] && s->value && s->value[0])
452 p++; /* p now holds logical facet name */
453 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
455 const char *native_name =
456 ZOOM_facet_field_name(facets[facet_idx]);
457 if (native_name && !strcmp(s->value, native_name))
461 ZOOM_facet_field_term_count(facets[facet_idx]);
462 for (term_idx = 0; term_idx < term_num; term_idx++ )
466 ZOOM_facet_field_get_term(facets[facet_idx],
469 add_facet(se, p, term, freq);
479 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
485 if (cl->show_raw->binary)
489 struct session_database *sdb = client_get_database(cl);
490 nativesyntax_to_type(sdb, type, rec);
493 buf = ZOOM_record_get(rec, type, &len);
494 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
495 client_show_raw_dequeue(cl);
498 void client_check_preferred_watch(struct client *cl)
500 struct session *se = cl->session;
501 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
505 /* TODO possible threading issue. Session can have been destroyed */
506 if (session_is_preferred_clients_ready(se)) {
507 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
510 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
515 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
519 struct suggestions* client_suggestions_create(const char* suggestions_string);
520 static void client_suggestions_destroy(struct client *cl);
522 void client_search_response(struct client *cl)
524 struct connection *co = cl->connection;
525 ZOOM_connection link = connection_get_link(co);
526 ZOOM_resultset resultset = cl->resultset;
528 const char *error, *addinfo = 0;
530 if (ZOOM_connection_error(link, &error, &addinfo))
533 client_set_state(cl, Client_Error);
534 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
535 error, addinfo, client_get_id(cl));
539 yaz_log(YLOG_DEBUG, "client_search_response: hits "
540 ODR_INT_PRINTF, cl->hits);
541 client_report_facets(cl, resultset);
542 cl->record_offset = cl->startrecs;
543 cl->hits = ZOOM_resultset_size(resultset);
545 client_suggestions_destroy(cl);
546 cl->suggestions = client_suggestions_create(ZOOM_resultset_option_get(resultset, "suggestions"));
550 void client_got_records(struct client *cl)
552 struct session *se = cl->session;
556 session_alert_watch(se, SESSION_WATCH_SHOW);
557 session_alert_watch(se, SESSION_WATCH_RECORD);
562 void client_record_response(struct client *cl)
564 struct connection *co = cl->connection;
565 ZOOM_connection link = connection_get_link(co);
566 ZOOM_resultset resultset = cl->resultset;
567 const char *error, *addinfo;
569 if (ZOOM_connection_error(link, &error, &addinfo))
571 client_set_state(cl, Client_Error);
572 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
573 error, addinfo, client_get_id(cl));
578 const char *msg, *addinfo;
580 if (cl->show_raw && cl->show_raw->active)
582 if ((rec = ZOOM_resultset_record(resultset,
583 cl->show_raw->position-1)))
585 cl->show_raw->active = 0;
586 ingest_raw_record(cl, rec);
590 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
591 cl->show_raw->position-1);
596 int offset = cl->record_offset;
597 if ((rec = ZOOM_resultset_record(resultset, offset)))
600 if (cl->session == 0)
602 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
604 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
605 msg, addinfo, client_get_id(cl),
610 struct session_database *sdb = client_get_database(cl);
611 NMEM nmem = nmem_create();
615 if (nativesyntax_to_type(sdb, type, rec))
616 yaz_log(YLOG_WARN, "Failed to determine record type");
617 xmlrec = ZOOM_record_get(rec, type, NULL);
619 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
623 /* OK = 0, -1 = failure, -2 = Filtered */
624 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
625 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
632 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
639 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
641 struct session_database *sdb = client_get_database(cl);
643 WRBUF w = wrbuf_alloc();
647 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
649 const char *p = strchr(s->name + 3, ':');
652 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
654 else if (s->value && s->value[0])
656 wrbuf_puts(w, "@attr 1=");
657 yaz_encode_pqf_term(w, s->value, strlen(s->value));
662 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
663 ZOOM_connection_option_set(link, "facets",
664 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
668 int client_has_facet(struct client *cl, const char *name)
670 struct session_database *sdb = client_get_database(cl);
673 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
675 const char *p = strchr(s->name + 3, ':');
676 if (p && !strcmp(name, p + 1))
682 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
685 struct session_database *sdb = client_get_database(cl);
686 struct connection *co = client_get_connection(cl);
687 ZOOM_connection link = connection_get_link(co);
689 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
690 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
691 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
692 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
693 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
694 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
695 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
696 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
697 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
698 char maxrecs_str[24], startrecs_str[24];
703 cl->record_offset = 0;
706 if (extra_args && *extra_args)
707 ZOOM_connection_option_set(link, "extraArgs", extra_args);
710 cl->preferred = atoi(opt_preferred);
712 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
713 client_get_id(cl), cl->preferred);
715 client_set_state(cl, Client_Working);
718 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
720 ZOOM_connection_option_set(link, "piggyback", "1");
722 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
723 if (*opt_sru && *opt_elements)
724 ZOOM_connection_option_set(link, "schema", opt_elements);
725 else if (*opt_elements)
726 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
728 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
730 if (opt_maxrecs && *opt_maxrecs)
732 cl->maxrecs = atoi(opt_maxrecs);
735 /* convert back to string representation used in ZOOM API */
736 sprintf(maxrecs_str, "%d", cl->maxrecs);
737 ZOOM_connection_option_set(link, "count", maxrecs_str);
739 if (cl->maxrecs > 20)
740 ZOOM_connection_option_set(link, "presentChunk", "20");
742 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
744 sprintf(startrecs_str, "%d", cl->startrecs);
745 ZOOM_connection_option_set(link, "start", startrecs_str);
747 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
748 /* facets definition is in PQF */
749 client_set_facets_request(cl, link);
751 q = ZOOM_query_create();
754 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
756 ZOOM_query_cql(q, cl->cqlquery);
758 ZOOM_query_sortby(q, opt_sort);
762 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
764 ZOOM_query_prefix(q, cl->pquery);
766 if (sort_strategy_and_spec &&
767 strlen(sort_strategy_and_spec) < 40 /* spec below */)
770 strcpy(spec, sort_strategy_and_spec);
771 p = strchr(spec, ':');
774 *p++ = '\0'; /* cut the string in two */
781 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
782 ZOOM_query_sortby2(q, spec, p);
785 rs = ZOOM_connection_search(link, q);
786 ZOOM_query_destroy(q);
787 ZOOM_resultset_destroy(cl->resultset);
789 connection_continue(co);
792 struct client *client_create(const char *id)
794 struct client *cl = xmalloc(sizeof(*cl));
803 cl->record_offset = 0;
805 cl->state = Client_Disconnected;
810 pazpar2_mutex_create(&cl->mutex, "client");
814 cl->id = xstrdup(id);
820 void client_lock(struct client *c)
822 yaz_mutex_enter(c->mutex);
825 void client_unlock(struct client *c)
827 yaz_mutex_leave(c->mutex);
830 void client_incref(struct client *c)
832 pazpar2_incref(&c->ref_count, c->mutex);
833 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
834 c, client_get_id(c), c->ref_count);
837 int client_destroy(struct client *c)
841 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
842 c, client_get_id(c), c->ref_count);
843 if (!pazpar2_decref(&c->ref_count, c->mutex))
850 assert(!c->connection);
854 ZOOM_resultset_destroy(c->resultset);
856 yaz_mutex_destroy(&c->mutex);
865 void client_set_connection(struct client *cl, struct connection *con)
868 ZOOM_resultset_release(cl->resultset);
871 assert(cl->connection == 0);
872 cl->connection = con;
877 cl->connection = con;
882 void client_disconnect(struct client *cl)
884 if (cl->state != Client_Idle)
885 client_set_state(cl, Client_Disconnected);
886 client_set_connection(cl, 0);
890 // Initialize CCL map for a target
891 static CCL_bibset prepare_cclmap(struct client *cl)
893 struct session_database *sdb = client_get_database(cl);
900 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
902 char *p = strchr(s->name + 3, ':');
905 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
910 ccl_qual_fitem(res, s->value, p);
915 // returns a xmalloced CQL query corresponding to the pquery in client
916 static char *make_cqlquery(struct client *cl)
918 cql_transform_t cqlt = cql_transform_create();
921 WRBUF wrb = wrbuf_alloc();
923 ODR odr_out = odr_createmem(ODR_ENCODE);
925 zquery = p_query_rpn(odr_out, cl->pquery);
926 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
927 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
929 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
934 r = xstrdup(wrbuf_cstr(wrb));
937 odr_destroy(odr_out);
938 cql_transform_close(cqlt);
942 // returns a xmalloced SOLR query corresponding to the pquery in client
943 // TODO Could prob. be merge with the similar make_cqlquery
944 static char *make_solrquery(struct client *cl)
946 solr_transform_t sqlt = solr_transform_create();
949 WRBUF wrb = wrbuf_alloc();
951 ODR odr_out = odr_createmem(ODR_ENCODE);
953 zquery = p_query_rpn(odr_out, cl->pquery);
955 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
958 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
959 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
961 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
966 r = xstrdup(wrbuf_cstr(wrb));
969 odr_destroy(odr_out);
970 solr_transform_close(sqlt);
974 static void apply_limit(struct session_database *sdb,
975 facet_limits_t facet_limits,
976 WRBUF w_pqf, WRBUF w_ccl)
981 NMEM nmem_tmp = nmem_create();
982 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
984 struct setting *s = 0;
986 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
988 const char *p = strchr(s->name + 3, ':');
989 if (p && !strcmp(p + 1, name) && s->value)
993 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
996 if (!strncmp(s->value, "rpn:", 4))
998 const char *pqf = s->value + 4;
1000 wrbuf_puts(w_pqf, "@and ");
1001 wrbuf_puts(w_pqf, pqf);
1002 wrbuf_puts(w_pqf, " ");
1003 for (i = 0; i < num; i++)
1006 wrbuf_puts(w_pqf, "@or ");
1007 yaz_encode_pqf_term(w_pqf, values[i],
1011 else if (!strncmp(s->value, "ccl:", 4))
1013 const char *ccl = s->value + 4;
1015 wrbuf_puts(w_ccl, " and (");
1017 for (i = 0; i < num; i++)
1020 wrbuf_puts(w_ccl, " or ");
1021 wrbuf_puts(w_ccl, ccl);
1022 wrbuf_puts(w_ccl, "=\"");
1023 wrbuf_puts(w_ccl, values[i]);
1024 wrbuf_puts(w_ccl, "\"");
1026 wrbuf_puts(w_ccl, ")");
1032 nmem_reset(nmem_tmp);
1035 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1036 (sdb->database ? sdb->database->id : "<no id>"), name);
1039 nmem_destroy(nmem_tmp);
1042 // Parse the query given the settings specific to this client
1043 int client_parse_query(struct client *cl, const char *query,
1044 facet_limits_t facet_limits)
1046 struct session *se = client_get_session(cl);
1047 struct session_database *sdb = client_get_database(cl);
1048 struct ccl_rpn_node *cn;
1050 CCL_bibset ccl_map = prepare_cclmap(cl);
1051 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1052 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1053 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1054 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1060 w_ccl = wrbuf_alloc();
1061 wrbuf_puts(w_ccl, query);
1063 w_pqf = wrbuf_alloc();
1066 wrbuf_puts(w_pqf, pqf_prefix);
1067 wrbuf_puts(w_pqf, " ");
1070 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1072 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1073 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1074 ccl_qual_rm(&ccl_map);
1077 client_set_state(cl, Client_Error);
1078 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1081 wrbuf_destroy(w_ccl);
1082 wrbuf_destroy(w_pqf);
1085 wrbuf_destroy(w_ccl);
1087 if (!pqf_strftime || !*pqf_strftime)
1088 ccl_pquery(w_pqf, cn);
1091 time_t cur_time = time(0);
1092 struct tm *tm = localtime(&cur_time);
1094 const char *cp = tmp_str;
1096 /* see man strftime(3) for things .. In particular %% gets converted
1097 to %.. And That's our original query .. */
1098 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1102 ccl_pquery(w_pqf, cn);
1104 wrbuf_putc(w_pqf, cp[0]);
1108 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1109 wrbuf_destroy(w_pqf);
1111 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1113 xfree(cl->cqlquery);
1115 /* Support for PQF on SRU targets. */
1117 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1118 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1120 if (!strcmp(sru, "solr")) {
1121 if (!(cl->cqlquery = make_solrquery(cl)))
1125 if (!(cl->cqlquery = make_cqlquery(cl)))
1132 /* TODO FIX Not thread safe */
1135 // Initialize relevance structure with query terms
1136 se->relevance = relevance_create_ccl(
1137 se->service->charsets, se->nmem, cn);
1144 void client_set_session(struct client *cl, struct session *se)
1149 int client_is_active(struct client *cl)
1151 if (cl->connection && (cl->state == Client_Connecting ||
1152 cl->state == Client_Working))
1157 int client_is_active_preferred(struct client *cl)
1159 /* only count if this is a preferred target. */
1162 /* TODO No sure this the condition that Seb wants */
1163 if (cl->connection && (cl->state == Client_Connecting ||
1164 cl->state == Client_Working))
1169 Odr_int client_get_hits(struct client *cl)
1174 int client_get_num_records(struct client *cl)
1176 return cl->record_offset;
1179 void client_set_diagnostic(struct client *cl, int diagnostic)
1181 cl->diagnostic = diagnostic;
1184 int client_get_diagnostic(struct client *cl)
1186 return cl->diagnostic;
1189 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1192 struct suggestions *suggestions = cl->suggestions;
1195 yaz_log(YLOG_DEBUG, "No suggestions found");
1198 if (suggestions->passthrough) {
1199 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1200 return suggestions->passthrough;
1202 if (suggestions->num == 0) {
1206 for (idx = 0; idx < suggestions->num; idx++) {
1207 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1208 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1209 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1210 wrbuf_puts(wrbuf, "</suggest>\n");
1213 wrbuf_puts(wrbuf, "/>\n");
1216 return wrbuf_cstr(wrbuf);
1220 void client_set_database(struct client *cl, struct session_database *db)
1225 const char *client_get_id(struct client *cl)
1230 void client_set_maxrecs(struct client *cl, int v)
1235 int client_get_maxrecs(struct client *cl)
1240 void client_set_startrecs(struct client *cl, int v)
1245 void client_set_preferred(struct client *cl, int v)
1251 struct suggestions* client_suggestions_create(const char* suggestions_string)
1255 struct suggestions *suggestions;
1256 if (suggestions_string == 0)
1258 nmem = nmem_create();
1259 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1260 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1262 suggestions->nmem = nmem;
1263 suggestions->num = 0;
1264 suggestions->misspelled = 0;
1265 suggestions->suggest = 0;
1266 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1268 if (suggestions_string)
1269 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1270 &suggestions->num, 1, '\\', 0);
1271 /* Set up misspelled array */
1272 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1273 /* replace = with \0 .. for each item */
1274 for (i = 0; i < suggestions->num; i++)
1276 char *cp = strchr(suggestions->suggest[i], '=');
1279 suggestions->misspelled[i] = cp+1;
1285 static void client_suggestions_destroy(struct client *cl)
1287 NMEM nmem = cl->suggestions->nmem;
1288 cl->suggestions = 0;
1295 * c-file-style: "Stroustrup"
1296 * indent-tabs-mode: nil
1298 * vim: shiftwidth=4 tabstop=8 expandtab