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(struct client *cl, enum client_state st)
168 if (client_is_active(cl))
171 /* If client is going from being active to inactive and all clients
172 are now idle we fire a watch for the session . The assumption is
173 that session is not mutex locked if client is already active */
174 if (was_active && !client_is_active(cl) && cl->session)
177 int no_active = session_active_clients(cl->session);
178 yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d",
179 client_get_id(cl), no_active);
180 if (no_active == 0) {
181 session_alert_watch(cl->session, SESSION_WATCH_SHOW);
182 session_alert_watch(cl->session, SESSION_WATCH_BYTARGET);
183 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
188 static void client_show_raw_error(struct client *cl, const char *addinfo);
190 struct connection *client_get_connection(struct client *cl)
192 return cl->connection;
195 struct session_database *client_get_database(struct client *cl)
200 struct session *client_get_session(struct client *cl)
205 const char *client_get_pquery(struct client *cl)
210 static void client_send_raw_present(struct client *cl);
211 static int nativesyntax_to_type(struct session_database *sdb, char *type,
214 static void client_show_immediate(
215 ZOOM_resultset resultset, struct session_database *sdb, int position,
217 void (*error_handler)(void *data, const char *addinfo),
218 void (*record_handler)(void *data, const char *buf, size_t sz),
228 error_handler(data, "no resultset");
231 rec = ZOOM_resultset_record(resultset, position-1);
234 error_handler(data, "no record");
240 nativesyntax_to_type(sdb, type, rec);
241 buf = ZOOM_record_get(rec, type, &len);
244 error_handler(data, "no record");
247 record_handler(data, buf, len);
251 int client_show_raw_begin(struct client *cl, int position,
252 const char *syntax, const char *esn,
254 void (*error_handler)(void *data, const char *addinfo),
255 void (*record_handler)(void *data, const char *buf,
259 if (syntax == 0 && esn == 0)
260 client_show_immediate(cl->resultset, client_get_database(cl),
262 error_handler, record_handler,
266 struct show_raw *rr, **rrp;
272 rr = xmalloc(sizeof(*rr));
273 rr->position = position;
276 rr->error_handler = error_handler;
277 rr->record_handler = record_handler;
280 rr->syntax = xstrdup(syntax);
284 rr->esn = xstrdup(esn);
289 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
293 if (cl->state == Client_Failed)
295 client_show_raw_error(cl, "client failed");
297 else if (cl->state == Client_Disconnected)
299 client_show_raw_error(cl, "client disconnected");
303 client_send_raw_present(cl);
309 static void client_show_raw_delete(struct show_raw *r)
316 void client_show_raw_remove(struct client *cl, void *data)
318 struct show_raw *rr = data;
319 struct show_raw **rrp = &cl->show_raw;
325 client_show_raw_delete(rr);
329 void client_show_raw_dequeue(struct client *cl)
331 struct show_raw *rr = cl->show_raw;
333 cl->show_raw = rr->next;
334 client_show_raw_delete(rr);
337 static void client_show_raw_error(struct client *cl, const char *addinfo)
341 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
342 client_show_raw_dequeue(cl);
346 static void client_send_raw_present(struct client *cl)
348 struct session_database *sdb = client_get_database(cl);
349 struct connection *co = client_get_connection(cl);
350 ZOOM_resultset set = cl->resultset;
352 int offset = cl->show_raw->position;
353 const char *syntax = 0;
354 const char *elements = 0;
356 assert(cl->show_raw);
359 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
360 client_get_id(cl), 1, offset);
362 if (cl->show_raw->syntax)
363 syntax = cl->show_raw->syntax;
365 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
366 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
368 if (cl->show_raw->esn)
369 elements = cl->show_raw->esn;
371 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
372 if (elements && *elements)
373 ZOOM_resultset_option_set(set, "elementSetName", elements);
375 ZOOM_resultset_records(set, 0, offset-1, 1);
376 cl->show_raw->active = 1;
378 connection_continue(co);
381 static int nativesyntax_to_type(struct session_database *sdb, char *type,
384 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
388 if (!strncmp(s, "iso2709", 7))
390 const char *cp = strchr(s, ';');
391 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
393 else if (!strncmp(s, "xml", 3))
397 else if (!strncmp(s, "txml", 4))
399 const char *cp = strchr(s, ';');
400 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
406 else /* attempt to deduce structure */
408 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
411 if (!strcmp(syntax, "XML"))
416 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
418 strcpy(type, "xml; charset=marc8-s");
428 * TODO Consider thread safety!!!
431 void client_report_facets(struct client *cl, ZOOM_resultset rs)
433 struct session_database *sdb = client_get_database(cl);
434 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
438 struct session *se = client_get_session(cl);
439 int facet_num = ZOOM_resultset_facets_size(rs);
442 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
444 const char *p = strchr(s->name + 3, ':');
445 if (p && p[1] && s->value && s->value[0])
448 p++; /* p now holds logical facet name */
449 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
451 const char *native_name =
452 ZOOM_facet_field_name(facets[facet_idx]);
453 if (native_name && !strcmp(s->value, native_name))
457 ZOOM_facet_field_term_count(facets[facet_idx]);
458 for (term_idx = 0; term_idx < term_num; term_idx++ )
462 ZOOM_facet_field_get_term(facets[facet_idx],
465 add_facet(se, p, term, freq);
475 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
481 if (cl->show_raw->binary)
485 struct session_database *sdb = client_get_database(cl);
486 nativesyntax_to_type(sdb, type, rec);
489 buf = ZOOM_record_get(rec, type, &len);
490 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
491 client_show_raw_dequeue(cl);
494 void client_check_preferred_watch(struct client *cl)
496 struct session *se = cl->session;
497 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
501 /* TODO possible threading issue. Session can have been destroyed */
502 if (session_is_preferred_clients_ready(se)) {
503 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
506 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
511 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
515 struct suggestions* client_suggestions_create(const char* suggestions_string);
516 static void client_suggestions_destroy(struct client *cl);
518 void client_search_response(struct client *cl)
520 struct connection *co = cl->connection;
521 ZOOM_connection link = connection_get_link(co);
522 ZOOM_resultset resultset = cl->resultset;
524 const char *error, *addinfo = 0;
526 if (ZOOM_connection_error(link, &error, &addinfo))
529 client_set_state(cl, Client_Error);
530 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
531 error, addinfo, client_get_id(cl));
535 yaz_log(YLOG_DEBUG, "client_search_response: hits "
536 ODR_INT_PRINTF, cl->hits);
537 client_report_facets(cl, resultset);
538 cl->record_offset = cl->startrecs;
539 cl->hits = ZOOM_resultset_size(resultset);
541 client_suggestions_destroy(cl);
542 cl->suggestions = client_suggestions_create(ZOOM_resultset_option_get(resultset, "suggestions"));
546 void client_got_records(struct client *cl)
548 struct session *se = cl->session;
552 session_alert_watch(se, SESSION_WATCH_SHOW);
553 session_alert_watch(se, SESSION_WATCH_BYTARGET);
554 session_alert_watch(se, SESSION_WATCH_RECORD);
559 void client_record_response(struct client *cl)
561 struct connection *co = cl->connection;
562 ZOOM_connection link = connection_get_link(co);
563 ZOOM_resultset resultset = cl->resultset;
564 const char *error, *addinfo;
566 if (ZOOM_connection_error(link, &error, &addinfo))
568 client_set_state(cl, Client_Error);
569 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
570 error, addinfo, client_get_id(cl));
575 const char *msg, *addinfo;
577 if (cl->show_raw && cl->show_raw->active)
579 if ((rec = ZOOM_resultset_record(resultset,
580 cl->show_raw->position-1)))
582 cl->show_raw->active = 0;
583 ingest_raw_record(cl, rec);
587 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
588 cl->show_raw->position-1);
593 int offset = cl->record_offset;
594 if ((rec = ZOOM_resultset_record(resultset, offset)))
597 if (cl->session == 0)
599 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
601 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
602 msg, addinfo, client_get_id(cl),
607 struct session_database *sdb = client_get_database(cl);
608 NMEM nmem = nmem_create();
612 if (nativesyntax_to_type(sdb, type, rec))
613 yaz_log(YLOG_WARN, "Failed to determine record type");
614 xmlrec = ZOOM_record_get(rec, type, NULL);
616 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
620 /* OK = 0, -1 = failure, -2 = Filtered */
621 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
622 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
629 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
636 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
638 struct session_database *sdb = client_get_database(cl);
640 WRBUF w = wrbuf_alloc();
644 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
646 const char *p = strchr(s->name + 3, ':');
649 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
651 else if (s->value && s->value[0])
653 wrbuf_puts(w, "@attr 1=");
654 yaz_encode_pqf_term(w, s->value, strlen(s->value));
659 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
660 ZOOM_connection_option_set(link, "facets",
661 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
665 int client_has_facet(struct client *cl, const char *name)
667 struct session_database *sdb = client_get_database(cl);
670 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
672 const char *p = strchr(s->name + 3, ':');
673 if (p && !strcmp(name, p + 1))
679 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
682 struct session_database *sdb = client_get_database(cl);
683 struct connection *co = client_get_connection(cl);
684 ZOOM_connection link = connection_get_link(co);
686 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
687 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
688 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
689 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
690 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
691 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
692 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
693 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
694 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
695 char maxrecs_str[24], startrecs_str[24];
700 cl->record_offset = 0;
703 if (extra_args && *extra_args)
704 ZOOM_connection_option_set(link, "extraArgs", extra_args);
707 cl->preferred = atoi(opt_preferred);
709 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
710 client_get_id(cl), cl->preferred);
712 client_set_state(cl, Client_Working);
715 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
717 ZOOM_connection_option_set(link, "piggyback", "1");
719 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
720 if (*opt_sru && *opt_elements)
721 ZOOM_connection_option_set(link, "schema", opt_elements);
722 else if (*opt_elements)
723 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
725 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
727 if (opt_maxrecs && *opt_maxrecs)
729 cl->maxrecs = atoi(opt_maxrecs);
732 /* convert back to string representation used in ZOOM API */
733 sprintf(maxrecs_str, "%d", cl->maxrecs);
734 ZOOM_connection_option_set(link, "count", maxrecs_str);
736 if (cl->maxrecs > 20)
737 ZOOM_connection_option_set(link, "presentChunk", "20");
739 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
741 sprintf(startrecs_str, "%d", cl->startrecs);
742 ZOOM_connection_option_set(link, "start", startrecs_str);
744 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
745 /* facets definition is in PQF */
746 client_set_facets_request(cl, link);
748 q = ZOOM_query_create();
751 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
753 ZOOM_query_cql(q, cl->cqlquery);
755 ZOOM_query_sortby(q, opt_sort);
759 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
761 ZOOM_query_prefix(q, cl->pquery);
763 if (sort_strategy_and_spec &&
764 strlen(sort_strategy_and_spec) < 40 /* spec below */)
767 strcpy(spec, sort_strategy_and_spec);
768 p = strchr(spec, ':');
771 *p++ = '\0'; /* cut the string in two */
778 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
779 ZOOM_query_sortby2(q, spec, p);
782 rs = ZOOM_connection_search(link, q);
783 ZOOM_query_destroy(q);
784 ZOOM_resultset_destroy(cl->resultset);
786 connection_continue(co);
789 struct client *client_create(const char *id)
791 struct client *cl = xmalloc(sizeof(*cl));
800 cl->record_offset = 0;
802 cl->state = Client_Disconnected;
807 pazpar2_mutex_create(&cl->mutex, "client");
811 cl->id = xstrdup(id);
817 void client_lock(struct client *c)
819 yaz_mutex_enter(c->mutex);
822 void client_unlock(struct client *c)
824 yaz_mutex_leave(c->mutex);
827 void client_incref(struct client *c)
829 pazpar2_incref(&c->ref_count, c->mutex);
830 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
831 c, client_get_id(c), c->ref_count);
834 int client_destroy(struct client *c)
838 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
839 c, client_get_id(c), c->ref_count);
840 if (!pazpar2_decref(&c->ref_count, c->mutex))
847 assert(!c->connection);
851 ZOOM_resultset_destroy(c->resultset);
853 yaz_mutex_destroy(&c->mutex);
862 void client_set_connection(struct client *cl, struct connection *con)
865 ZOOM_resultset_release(cl->resultset);
868 assert(cl->connection == 0);
869 cl->connection = con;
874 cl->connection = con;
879 void client_disconnect(struct client *cl)
881 if (cl->state != Client_Idle)
882 client_set_state(cl, Client_Disconnected);
883 client_set_connection(cl, 0);
887 // Initialize CCL map for a target
888 static CCL_bibset prepare_cclmap(struct client *cl)
890 struct session_database *sdb = client_get_database(cl);
897 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
899 char *p = strchr(s->name + 3, ':');
902 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
907 ccl_qual_fitem(res, s->value, p);
912 // returns a xmalloced CQL query corresponding to the pquery in client
913 static char *make_cqlquery(struct client *cl)
915 cql_transform_t cqlt = cql_transform_create();
918 WRBUF wrb = wrbuf_alloc();
920 ODR odr_out = odr_createmem(ODR_ENCODE);
922 zquery = p_query_rpn(odr_out, cl->pquery);
923 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
924 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
926 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
931 r = xstrdup(wrbuf_cstr(wrb));
934 odr_destroy(odr_out);
935 cql_transform_close(cqlt);
939 // returns a xmalloced SOLR query corresponding to the pquery in client
940 // TODO Could prob. be merge with the similar make_cqlquery
941 static char *make_solrquery(struct client *cl)
943 solr_transform_t sqlt = solr_transform_create();
946 WRBUF wrb = wrbuf_alloc();
948 ODR odr_out = odr_createmem(ODR_ENCODE);
950 zquery = p_query_rpn(odr_out, cl->pquery);
952 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
955 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
956 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
958 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
963 r = xstrdup(wrbuf_cstr(wrb));
966 odr_destroy(odr_out);
967 solr_transform_close(sqlt);
971 static void apply_limit(struct session_database *sdb,
972 facet_limits_t facet_limits,
973 WRBUF w_pqf, WRBUF w_ccl)
978 NMEM nmem_tmp = nmem_create();
979 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
981 struct setting *s = 0;
983 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
985 const char *p = strchr(s->name + 3, ':');
986 if (p && !strcmp(p + 1, name) && s->value)
990 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
993 if (!strncmp(s->value, "rpn:", 4))
995 const char *pqf = s->value + 4;
997 wrbuf_puts(w_pqf, "@and ");
998 wrbuf_puts(w_pqf, pqf);
999 wrbuf_puts(w_pqf, " ");
1000 for (i = 0; i < num; i++)
1003 wrbuf_puts(w_pqf, "@or ");
1004 yaz_encode_pqf_term(w_pqf, values[i],
1008 else if (!strncmp(s->value, "ccl:", 4))
1010 const char *ccl = s->value + 4;
1012 wrbuf_puts(w_ccl, " and (");
1014 for (i = 0; i < num; i++)
1017 wrbuf_puts(w_ccl, " or ");
1018 wrbuf_puts(w_ccl, ccl);
1019 wrbuf_puts(w_ccl, "=\"");
1020 wrbuf_puts(w_ccl, values[i]);
1021 wrbuf_puts(w_ccl, "\"");
1023 wrbuf_puts(w_ccl, ")");
1029 nmem_reset(nmem_tmp);
1032 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1033 (sdb->database ? sdb->database->id : "<no id>"), name);
1036 nmem_destroy(nmem_tmp);
1039 // Parse the query given the settings specific to this client
1040 int client_parse_query(struct client *cl, const char *query,
1041 facet_limits_t facet_limits)
1043 struct session *se = client_get_session(cl);
1044 struct session_database *sdb = client_get_database(cl);
1045 struct ccl_rpn_node *cn;
1047 CCL_bibset ccl_map = prepare_cclmap(cl);
1048 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1049 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1050 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1051 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1057 w_ccl = wrbuf_alloc();
1058 wrbuf_puts(w_ccl, query);
1060 w_pqf = wrbuf_alloc();
1063 wrbuf_puts(w_pqf, pqf_prefix);
1064 wrbuf_puts(w_pqf, " ");
1067 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1069 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1070 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1071 ccl_qual_rm(&ccl_map);
1074 client_set_state(cl, Client_Error);
1075 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1078 wrbuf_destroy(w_ccl);
1079 wrbuf_destroy(w_pqf);
1082 wrbuf_destroy(w_ccl);
1084 if (!pqf_strftime || !*pqf_strftime)
1085 ccl_pquery(w_pqf, cn);
1088 time_t cur_time = time(0);
1089 struct tm *tm = localtime(&cur_time);
1091 const char *cp = tmp_str;
1093 /* see man strftime(3) for things .. In particular %% gets converted
1094 to %.. And That's our original query .. */
1095 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1099 ccl_pquery(w_pqf, cn);
1101 wrbuf_putc(w_pqf, cp[0]);
1105 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1106 wrbuf_destroy(w_pqf);
1108 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1110 xfree(cl->cqlquery);
1112 /* Support for PQF on SRU targets. */
1114 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1115 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1117 if (!strcmp(sru, "solr")) {
1118 if (!(cl->cqlquery = make_solrquery(cl)))
1122 if (!(cl->cqlquery = make_cqlquery(cl)))
1129 /* TODO FIX Not thread safe */
1132 // Initialize relevance structure with query terms
1133 se->relevance = relevance_create_ccl(
1134 se->service->charsets, se->nmem, cn);
1141 void client_set_session(struct client *cl, struct session *se)
1146 int client_is_active(struct client *cl)
1148 if (cl->connection && (cl->state == Client_Connecting ||
1149 cl->state == Client_Working))
1154 int client_is_active_preferred(struct client *cl)
1156 /* only count if this is a preferred target. */
1159 /* TODO No sure this the condition that Seb wants */
1160 if (cl->connection && (cl->state == Client_Connecting ||
1161 cl->state == Client_Working))
1166 Odr_int client_get_hits(struct client *cl)
1171 int client_get_num_records(struct client *cl)
1173 return cl->record_offset;
1176 void client_set_diagnostic(struct client *cl, int diagnostic)
1178 cl->diagnostic = diagnostic;
1181 int client_get_diagnostic(struct client *cl)
1183 return cl->diagnostic;
1186 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1189 struct suggestions *suggestions = cl->suggestions;
1192 yaz_log(YLOG_DEBUG, "No suggestions found");
1195 if (suggestions->passthrough) {
1196 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1197 return suggestions->passthrough;
1199 if (suggestions->num == 0) {
1203 for (idx = 0; idx < suggestions->num; idx++) {
1204 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1205 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1206 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1207 wrbuf_puts(wrbuf, "</suggest>\n");
1210 wrbuf_puts(wrbuf, "/>\n");
1213 return wrbuf_cstr(wrbuf);
1217 void client_set_database(struct client *cl, struct session_database *db)
1222 const char *client_get_id(struct client *cl)
1227 void client_set_maxrecs(struct client *cl, int v)
1232 int client_get_maxrecs(struct client *cl)
1237 void client_set_startrecs(struct client *cl, int v)
1242 void client_set_preferred(struct client *cl, int v)
1248 struct suggestions* client_suggestions_create(const char* suggestions_string)
1252 struct suggestions *suggestions;
1253 if (suggestions_string == 0)
1255 nmem = nmem_create();
1256 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1257 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1259 suggestions->nmem = nmem;
1260 suggestions->num = 0;
1261 suggestions->misspelled = 0;
1262 suggestions->suggest = 0;
1263 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1265 if (suggestions_string)
1266 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1267 &suggestions->num, 1, '\\', 0);
1268 /* Set up misspelled array */
1269 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1270 /* replace = with \0 .. for each item */
1271 for (i = 0; i < suggestions->num; i++)
1273 char *cp = strchr(suggestions->suggest[i], '=');
1276 suggestions->misspelled[i] = cp+1;
1282 static void client_suggestions_destroy(struct client *cl)
1284 NMEM nmem = cl->suggestions->nmem;
1285 cl->suggestions = 0;
1292 * c-file-style: "Stroustrup"
1293 * indent-tabs-mode: nil
1295 * vim: shiftwidth=4 tabstop=8 expandtab