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_BYTARGET);
188 session_alert_watch(cl->session, SESSION_WATCH_TERMLIST);
189 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
194 static void client_show_raw_error(struct client *cl, const char *addinfo);
196 struct connection *client_get_connection(struct client *cl)
198 return cl->connection;
201 struct session_database *client_get_database(struct client *cl)
206 struct session *client_get_session(struct client *cl)
211 const char *client_get_pquery(struct client *cl)
216 static void client_send_raw_present(struct client *cl);
217 static int nativesyntax_to_type(struct session_database *sdb, char *type,
220 static void client_show_immediate(
221 ZOOM_resultset resultset, struct session_database *sdb, int position,
223 void (*error_handler)(void *data, const char *addinfo),
224 void (*record_handler)(void *data, const char *buf, size_t sz),
234 error_handler(data, "no resultset");
237 rec = ZOOM_resultset_record(resultset, position-1);
240 error_handler(data, "no record");
246 nativesyntax_to_type(sdb, type, rec);
247 buf = ZOOM_record_get(rec, type, &len);
250 error_handler(data, "no record");
253 record_handler(data, buf, len);
257 int client_show_raw_begin(struct client *cl, int position,
258 const char *syntax, const char *esn,
260 void (*error_handler)(void *data, const char *addinfo),
261 void (*record_handler)(void *data, const char *buf,
265 if (syntax == 0 && esn == 0)
266 client_show_immediate(cl->resultset, client_get_database(cl),
268 error_handler, record_handler,
272 struct show_raw *rr, **rrp;
278 rr = xmalloc(sizeof(*rr));
279 rr->position = position;
282 rr->error_handler = error_handler;
283 rr->record_handler = record_handler;
286 rr->syntax = xstrdup(syntax);
290 rr->esn = xstrdup(esn);
295 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
299 if (cl->state == Client_Failed)
301 client_show_raw_error(cl, "client failed");
303 else if (cl->state == Client_Disconnected)
305 client_show_raw_error(cl, "client disconnected");
309 client_send_raw_present(cl);
315 static void client_show_raw_delete(struct show_raw *r)
322 void client_show_raw_remove(struct client *cl, void *data)
324 struct show_raw *rr = data;
325 struct show_raw **rrp = &cl->show_raw;
331 client_show_raw_delete(rr);
335 void client_show_raw_dequeue(struct client *cl)
337 struct show_raw *rr = cl->show_raw;
339 cl->show_raw = rr->next;
340 client_show_raw_delete(rr);
343 static void client_show_raw_error(struct client *cl, const char *addinfo)
347 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
348 client_show_raw_dequeue(cl);
352 static void client_send_raw_present(struct client *cl)
354 struct session_database *sdb = client_get_database(cl);
355 struct connection *co = client_get_connection(cl);
356 ZOOM_resultset set = cl->resultset;
358 int offset = cl->show_raw->position;
359 const char *syntax = 0;
360 const char *elements = 0;
362 assert(cl->show_raw);
365 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
366 client_get_id(cl), 1, offset);
368 if (cl->show_raw->syntax)
369 syntax = cl->show_raw->syntax;
371 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
372 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
374 if (cl->show_raw->esn)
375 elements = cl->show_raw->esn;
377 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
378 if (elements && *elements)
379 ZOOM_resultset_option_set(set, "elementSetName", elements);
381 ZOOM_resultset_records(set, 0, offset-1, 1);
382 cl->show_raw->active = 1;
384 connection_continue(co);
387 static int nativesyntax_to_type(struct session_database *sdb, char *type,
390 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
394 if (!strncmp(s, "iso2709", 7))
396 const char *cp = strchr(s, ';');
397 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
399 else if (!strncmp(s, "xml", 3))
403 else if (!strncmp(s, "txml", 4))
405 const char *cp = strchr(s, ';');
406 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
412 else /* attempt to deduce structure */
414 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
417 if (!strcmp(syntax, "XML"))
422 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
424 strcpy(type, "xml; charset=marc8-s");
434 * TODO Consider thread safety!!!
437 void client_report_facets(struct client *cl, ZOOM_resultset rs)
439 struct session_database *sdb = client_get_database(cl);
440 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
444 struct session *se = client_get_session(cl);
445 int facet_num = ZOOM_resultset_facets_size(rs);
448 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
450 const char *p = strchr(s->name + 3, ':');
451 if (p && p[1] && s->value && s->value[0])
454 p++; /* p now holds logical facet name */
455 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
457 const char *native_name =
458 ZOOM_facet_field_name(facets[facet_idx]);
459 if (native_name && !strcmp(s->value, native_name))
463 ZOOM_facet_field_term_count(facets[facet_idx]);
464 for (term_idx = 0; term_idx < term_num; term_idx++ )
468 ZOOM_facet_field_get_term(facets[facet_idx],
471 add_facet(se, p, term, freq);
481 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
487 if (cl->show_raw->binary)
491 struct session_database *sdb = client_get_database(cl);
492 nativesyntax_to_type(sdb, type, rec);
495 buf = ZOOM_record_get(rec, type, &len);
496 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
497 client_show_raw_dequeue(cl);
500 void client_check_preferred_watch(struct client *cl)
502 struct session *se = cl->session;
503 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
507 /* TODO possible threading issue. Session can have been destroyed */
508 if (session_is_preferred_clients_ready(se)) {
509 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
512 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
517 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
521 struct suggestions* client_suggestions_create(const char* suggestions_string);
522 static void client_suggestions_destroy(struct client *cl);
524 void client_search_response(struct client *cl)
526 struct connection *co = cl->connection;
527 ZOOM_connection link = connection_get_link(co);
528 ZOOM_resultset resultset = cl->resultset;
530 const char *error, *addinfo = 0;
532 if (ZOOM_connection_error(link, &error, &addinfo))
535 client_set_state(cl, Client_Error);
536 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
537 error, addinfo, client_get_id(cl));
541 yaz_log(YLOG_DEBUG, "client_search_response: hits "
542 ODR_INT_PRINTF, cl->hits);
543 client_report_facets(cl, resultset);
544 cl->record_offset = cl->startrecs;
545 cl->hits = ZOOM_resultset_size(resultset);
547 client_suggestions_destroy(cl);
548 cl->suggestions = client_suggestions_create(ZOOM_resultset_option_get(resultset, "suggestions"));
552 void client_got_records(struct client *cl)
554 struct session *se = cl->session;
558 session_alert_watch(se, SESSION_WATCH_SHOW);
559 session_alert_watch(se, SESSION_WATCH_BYTARGET);
560 session_alert_watch(se, SESSION_WATCH_TERMLIST);
561 session_alert_watch(se, SESSION_WATCH_RECORD);
566 void client_record_response(struct client *cl)
568 struct connection *co = cl->connection;
569 ZOOM_connection link = connection_get_link(co);
570 ZOOM_resultset resultset = cl->resultset;
571 const char *error, *addinfo;
573 if (ZOOM_connection_error(link, &error, &addinfo))
575 client_set_state(cl, Client_Error);
576 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
577 error, addinfo, client_get_id(cl));
582 const char *msg, *addinfo;
584 if (cl->show_raw && cl->show_raw->active)
586 if ((rec = ZOOM_resultset_record(resultset,
587 cl->show_raw->position-1)))
589 cl->show_raw->active = 0;
590 ingest_raw_record(cl, rec);
594 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
595 cl->show_raw->position-1);
600 int offset = cl->record_offset;
601 if ((rec = ZOOM_resultset_record(resultset, offset)))
604 if (cl->session == 0)
606 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
608 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
609 msg, addinfo, client_get_id(cl),
614 struct session_database *sdb = client_get_database(cl);
615 NMEM nmem = nmem_create();
619 if (nativesyntax_to_type(sdb, type, rec))
620 yaz_log(YLOG_WARN, "Failed to determine record type");
621 xmlrec = ZOOM_record_get(rec, type, NULL);
623 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
627 /* OK = 0, -1 = failure, -2 = Filtered */
628 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
629 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
636 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
643 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
645 struct session_database *sdb = client_get_database(cl);
647 WRBUF w = wrbuf_alloc();
651 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
653 const char *p = strchr(s->name + 3, ':');
656 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
658 else if (s->value && s->value[0])
660 wrbuf_puts(w, "@attr 1=");
661 yaz_encode_pqf_term(w, s->value, strlen(s->value));
666 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
667 ZOOM_connection_option_set(link, "facets",
668 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
672 int client_has_facet(struct client *cl, const char *name)
674 struct session_database *sdb = client_get_database(cl);
677 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
679 const char *p = strchr(s->name + 3, ':');
680 if (p && !strcmp(name, p + 1))
686 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
689 struct session_database *sdb = client_get_database(cl);
690 struct connection *co = client_get_connection(cl);
691 ZOOM_connection link = connection_get_link(co);
693 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
694 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
695 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
696 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
697 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
698 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
699 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
700 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
701 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
702 char maxrecs_str[24], startrecs_str[24];
707 cl->record_offset = 0;
710 if (extra_args && *extra_args)
711 ZOOM_connection_option_set(link, "extraArgs", extra_args);
714 cl->preferred = atoi(opt_preferred);
716 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
717 client_get_id(cl), cl->preferred);
719 client_set_state(cl, Client_Working);
722 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
724 ZOOM_connection_option_set(link, "piggyback", "1");
726 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
727 if (*opt_sru && *opt_elements)
728 ZOOM_connection_option_set(link, "schema", opt_elements);
729 else if (*opt_elements)
730 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
732 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
734 if (opt_maxrecs && *opt_maxrecs)
736 cl->maxrecs = atoi(opt_maxrecs);
739 /* convert back to string representation used in ZOOM API */
740 sprintf(maxrecs_str, "%d", cl->maxrecs);
741 ZOOM_connection_option_set(link, "count", maxrecs_str);
743 if (cl->maxrecs > 20)
744 ZOOM_connection_option_set(link, "presentChunk", "20");
746 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
748 sprintf(startrecs_str, "%d", cl->startrecs);
749 ZOOM_connection_option_set(link, "start", startrecs_str);
751 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
752 /* facets definition is in PQF */
753 client_set_facets_request(cl, link);
755 q = ZOOM_query_create();
758 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
760 ZOOM_query_cql(q, cl->cqlquery);
762 ZOOM_query_sortby(q, opt_sort);
766 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
768 ZOOM_query_prefix(q, cl->pquery);
770 if (sort_strategy_and_spec &&
771 strlen(sort_strategy_and_spec) < 40 /* spec below */)
774 strcpy(spec, sort_strategy_and_spec);
775 p = strchr(spec, ':');
778 *p++ = '\0'; /* cut the string in two */
785 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
786 ZOOM_query_sortby2(q, spec, p);
789 rs = ZOOM_connection_search(link, q);
790 ZOOM_query_destroy(q);
791 ZOOM_resultset_destroy(cl->resultset);
793 connection_continue(co);
796 struct client *client_create(const char *id)
798 struct client *cl = xmalloc(sizeof(*cl));
807 cl->record_offset = 0;
809 cl->state = Client_Disconnected;
814 pazpar2_mutex_create(&cl->mutex, "client");
818 cl->id = xstrdup(id);
824 void client_lock(struct client *c)
826 yaz_mutex_enter(c->mutex);
829 void client_unlock(struct client *c)
831 yaz_mutex_leave(c->mutex);
834 void client_incref(struct client *c)
836 pazpar2_incref(&c->ref_count, c->mutex);
837 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
838 c, client_get_id(c), c->ref_count);
841 int client_destroy(struct client *c)
845 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
846 c, client_get_id(c), c->ref_count);
847 if (!pazpar2_decref(&c->ref_count, c->mutex))
854 assert(!c->connection);
858 ZOOM_resultset_destroy(c->resultset);
860 yaz_mutex_destroy(&c->mutex);
869 void client_set_connection(struct client *cl, struct connection *con)
872 ZOOM_resultset_release(cl->resultset);
875 assert(cl->connection == 0);
876 cl->connection = con;
881 cl->connection = con;
886 void client_disconnect(struct client *cl)
888 if (cl->state != Client_Idle)
889 client_set_state(cl, Client_Disconnected);
890 client_set_connection(cl, 0);
894 // Initialize CCL map for a target
895 static CCL_bibset prepare_cclmap(struct client *cl)
897 struct session_database *sdb = client_get_database(cl);
904 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
906 char *p = strchr(s->name + 3, ':');
909 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
914 ccl_qual_fitem(res, s->value, p);
919 // returns a xmalloced CQL query corresponding to the pquery in client
920 static char *make_cqlquery(struct client *cl)
922 cql_transform_t cqlt = cql_transform_create();
925 WRBUF wrb = wrbuf_alloc();
927 ODR odr_out = odr_createmem(ODR_ENCODE);
929 zquery = p_query_rpn(odr_out, cl->pquery);
930 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
931 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
933 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
938 r = xstrdup(wrbuf_cstr(wrb));
941 odr_destroy(odr_out);
942 cql_transform_close(cqlt);
946 // returns a xmalloced SOLR query corresponding to the pquery in client
947 // TODO Could prob. be merge with the similar make_cqlquery
948 static char *make_solrquery(struct client *cl)
950 solr_transform_t sqlt = solr_transform_create();
953 WRBUF wrb = wrbuf_alloc();
955 ODR odr_out = odr_createmem(ODR_ENCODE);
957 zquery = p_query_rpn(odr_out, cl->pquery);
959 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
962 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
963 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
965 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
970 r = xstrdup(wrbuf_cstr(wrb));
973 odr_destroy(odr_out);
974 solr_transform_close(sqlt);
978 static void apply_limit(struct session_database *sdb,
979 facet_limits_t facet_limits,
980 WRBUF w_pqf, WRBUF w_ccl)
985 NMEM nmem_tmp = nmem_create();
986 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
988 struct setting *s = 0;
990 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
992 const char *p = strchr(s->name + 3, ':');
993 if (p && !strcmp(p + 1, name) && s->value)
997 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
1000 if (!strncmp(s->value, "rpn:", 4))
1002 const char *pqf = s->value + 4;
1004 wrbuf_puts(w_pqf, "@and ");
1005 wrbuf_puts(w_pqf, pqf);
1006 wrbuf_puts(w_pqf, " ");
1007 for (i = 0; i < num; i++)
1010 wrbuf_puts(w_pqf, "@or ");
1011 yaz_encode_pqf_term(w_pqf, values[i],
1015 else if (!strncmp(s->value, "ccl:", 4))
1017 const char *ccl = s->value + 4;
1019 wrbuf_puts(w_ccl, " and (");
1021 for (i = 0; i < num; i++)
1024 wrbuf_puts(w_ccl, " or ");
1025 wrbuf_puts(w_ccl, ccl);
1026 wrbuf_puts(w_ccl, "=\"");
1027 wrbuf_puts(w_ccl, values[i]);
1028 wrbuf_puts(w_ccl, "\"");
1030 wrbuf_puts(w_ccl, ")");
1036 nmem_reset(nmem_tmp);
1039 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1040 (sdb->database ? sdb->database->id : "<no id>"), name);
1043 nmem_destroy(nmem_tmp);
1046 // Parse the query given the settings specific to this client
1047 int client_parse_query(struct client *cl, const char *query,
1048 facet_limits_t facet_limits)
1050 struct session *se = client_get_session(cl);
1051 struct session_database *sdb = client_get_database(cl);
1052 struct ccl_rpn_node *cn;
1054 CCL_bibset ccl_map = prepare_cclmap(cl);
1055 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1056 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1057 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1058 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1064 w_ccl = wrbuf_alloc();
1065 wrbuf_puts(w_ccl, query);
1067 w_pqf = wrbuf_alloc();
1070 wrbuf_puts(w_pqf, pqf_prefix);
1071 wrbuf_puts(w_pqf, " ");
1074 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1076 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1077 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1078 ccl_qual_rm(&ccl_map);
1081 client_set_state(cl, Client_Error);
1082 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1085 wrbuf_destroy(w_ccl);
1086 wrbuf_destroy(w_pqf);
1089 wrbuf_destroy(w_ccl);
1091 if (!pqf_strftime || !*pqf_strftime)
1092 ccl_pquery(w_pqf, cn);
1095 time_t cur_time = time(0);
1096 struct tm *tm = localtime(&cur_time);
1098 const char *cp = tmp_str;
1100 /* see man strftime(3) for things .. In particular %% gets converted
1101 to %.. And That's our original query .. */
1102 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1106 ccl_pquery(w_pqf, cn);
1108 wrbuf_putc(w_pqf, cp[0]);
1112 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1113 wrbuf_destroy(w_pqf);
1115 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1117 xfree(cl->cqlquery);
1119 /* Support for PQF on SRU targets. */
1121 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1122 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1124 if (!strcmp(sru, "solr")) {
1125 if (!(cl->cqlquery = make_solrquery(cl)))
1129 if (!(cl->cqlquery = make_cqlquery(cl)))
1136 /* TODO FIX Not thread safe */
1139 // Initialize relevance structure with query terms
1140 se->relevance = relevance_create_ccl(
1141 se->service->charsets, se->nmem, cn);
1148 void client_set_session(struct client *cl, struct session *se)
1153 int client_is_active(struct client *cl)
1155 if (cl->connection && (cl->state == Client_Connecting ||
1156 cl->state == Client_Working))
1161 int client_is_active_preferred(struct client *cl)
1163 /* only count if this is a preferred target. */
1166 /* TODO No sure this the condition that Seb wants */
1167 if (cl->connection && (cl->state == Client_Connecting ||
1168 cl->state == Client_Working))
1173 Odr_int client_get_hits(struct client *cl)
1178 int client_get_num_records(struct client *cl)
1180 return cl->record_offset;
1183 void client_set_diagnostic(struct client *cl, int diagnostic)
1185 cl->diagnostic = diagnostic;
1188 int client_get_diagnostic(struct client *cl)
1190 return cl->diagnostic;
1193 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1196 struct suggestions *suggestions = cl->suggestions;
1199 //yaz_log(YLOG_DEBUG, "No suggestions found");
1202 if (suggestions->passthrough) {
1203 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1204 return suggestions->passthrough;
1206 if (suggestions->num == 0) {
1210 for (idx = 0; idx < suggestions->num; idx++) {
1211 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1212 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1213 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1214 wrbuf_puts(wrbuf, "</suggest>\n");
1217 wrbuf_puts(wrbuf, "/>\n");
1220 return wrbuf_cstr(wrbuf);
1224 void client_set_database(struct client *cl, struct session_database *db)
1229 const char *client_get_id(struct client *cl)
1234 void client_set_maxrecs(struct client *cl, int v)
1239 int client_get_maxrecs(struct client *cl)
1244 void client_set_startrecs(struct client *cl, int v)
1249 void client_set_preferred(struct client *cl, int v)
1255 struct suggestions* client_suggestions_create(const char* suggestions_string)
1259 struct suggestions *suggestions;
1260 if (suggestions_string == 0)
1262 nmem = nmem_create();
1263 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1264 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1266 suggestions->nmem = nmem;
1267 suggestions->num = 0;
1268 suggestions->misspelled = 0;
1269 suggestions->suggest = 0;
1270 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1272 if (suggestions_string)
1273 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1274 &suggestions->num, 1, '\\', 0);
1275 /* Set up misspelled array */
1276 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1277 /* replace = with \0 .. for each item */
1278 for (i = 0; i < suggestions->num; i++)
1280 char *cp = strchr(suggestions->suggest[i], '=');
1283 suggestions->misspelled[i] = cp+1;
1289 static void client_suggestions_destroy(struct client *cl)
1291 NMEM nmem = cl->suggestions->nmem;
1292 cl->suggestions = 0;
1299 * c-file-style: "Stroustrup"
1300 * indent-tabs-mode: nil
1302 * vim: shiftwidth=4 tabstop=8 expandtab