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 static void client_record_ingest(struct client *cl)
564 const char *msg, *addinfo;
566 ZOOM_resultset resultset = cl->resultset;
567 int offset = cl->record_offset;
568 if ((rec = ZOOM_resultset_record(resultset, offset)))
571 if (cl->session == 0)
573 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
575 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
576 msg, addinfo, client_get_id(cl),
581 struct session_database *sdb = client_get_database(cl);
582 NMEM nmem = nmem_create();
586 if (nativesyntax_to_type(sdb, type, rec))
587 yaz_log(YLOG_WARN, "Failed to determine record type");
588 xmlrec = ZOOM_record_get(rec, type, NULL);
590 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
594 /* OK = 0, -1 = failure, -2 = Filtered */
595 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
596 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
603 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
608 void client_record_response(struct client *cl)
610 struct connection *co = cl->connection;
611 ZOOM_connection link = connection_get_link(co);
612 ZOOM_resultset resultset = cl->resultset;
613 const char *error, *addinfo;
615 if (ZOOM_connection_error(link, &error, &addinfo))
617 client_set_state(cl, Client_Error);
618 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
619 error, addinfo, client_get_id(cl));
623 if (cl->show_raw && cl->show_raw->active)
626 if ((rec = ZOOM_resultset_record(resultset,
627 cl->show_raw->position-1)))
629 cl->show_raw->active = 0;
630 ingest_raw_record(cl, rec);
634 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
635 cl->show_raw->position-1);
640 client_record_ingest(cl);
645 void client_reingest(struct client *cl)
647 int i = cl->startrecs;
648 int to = cl->record_offset;
650 cl->record_offset = i;
652 client_record_ingest(cl);
655 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
657 struct session_database *sdb = client_get_database(cl);
659 WRBUF w = wrbuf_alloc();
663 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
665 const char *p = strchr(s->name + 3, ':');
668 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
670 else if (s->value && s->value[0])
672 wrbuf_puts(w, "@attr 1=");
673 yaz_encode_pqf_term(w, s->value, strlen(s->value));
678 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
679 ZOOM_connection_option_set(link, "facets",
680 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
684 int client_has_facet(struct client *cl, const char *name)
686 struct session_database *sdb = client_get_database(cl);
689 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
691 const char *p = strchr(s->name + 3, ':');
692 if (p && !strcmp(name, p + 1))
698 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
701 struct session_database *sdb = client_get_database(cl);
702 struct connection *co = client_get_connection(cl);
703 ZOOM_connection link = connection_get_link(co);
705 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
706 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
707 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
708 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
709 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
710 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
711 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
712 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
713 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
714 char maxrecs_str[24], startrecs_str[24];
720 cl->record_offset = 0;
723 if (extra_args && *extra_args)
724 ZOOM_connection_option_set(link, "extraArgs", extra_args);
727 cl->preferred = atoi(opt_preferred);
729 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
730 client_get_id(cl), cl->preferred);
732 client_set_state(cl, Client_Working);
735 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
737 ZOOM_connection_option_set(link, "piggyback", "1");
739 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
740 if (*opt_sru && *opt_elements)
741 ZOOM_connection_option_set(link, "schema", opt_elements);
742 else if (*opt_elements)
743 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
745 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
747 if (opt_maxrecs && *opt_maxrecs)
749 cl->maxrecs = atoi(opt_maxrecs);
752 /* convert back to string representation used in ZOOM API */
753 sprintf(maxrecs_str, "%d", cl->maxrecs);
754 ZOOM_connection_option_set(link, "count", maxrecs_str);
756 if (cl->maxrecs > 20)
757 ZOOM_connection_option_set(link, "presentChunk", "20");
759 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
761 sprintf(startrecs_str, "%d", cl->startrecs);
762 ZOOM_connection_option_set(link, "start", startrecs_str);
764 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
765 /* facets definition is in PQF */
766 client_set_facets_request(cl, link);
768 q = ZOOM_query_create();
771 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
773 ZOOM_query_cql(q, cl->cqlquery);
775 ZOOM_query_sortby(q, opt_sort);
779 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
781 ZOOM_query_prefix(q, cl->pquery);
783 if (sort_strategy_and_spec &&
784 strlen(sort_strategy_and_spec) < 40 /* spec below */)
787 strcpy(spec, sort_strategy_and_spec);
788 p = strchr(spec, ':');
791 *p++ = '\0'; /* cut the string in two */
798 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
799 ZOOM_query_sortby2(q, spec, p);
802 rs = ZOOM_connection_search(link, q);
803 ZOOM_query_destroy(q);
804 ZOOM_resultset_destroy(cl->resultset);
806 connection_continue(co);
809 struct client *client_create(const char *id)
811 struct client *cl = xmalloc(sizeof(*cl));
820 cl->record_offset = 0;
822 cl->state = Client_Disconnected;
827 pazpar2_mutex_create(&cl->mutex, "client");
831 cl->id = xstrdup(id);
837 void client_lock(struct client *c)
839 yaz_mutex_enter(c->mutex);
842 void client_unlock(struct client *c)
844 yaz_mutex_leave(c->mutex);
847 void client_incref(struct client *c)
849 pazpar2_incref(&c->ref_count, c->mutex);
850 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
851 c, client_get_id(c), c->ref_count);
854 int client_destroy(struct client *c)
858 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
859 c, client_get_id(c), c->ref_count);
860 if (!pazpar2_decref(&c->ref_count, c->mutex))
867 assert(!c->connection);
871 ZOOM_resultset_destroy(c->resultset);
873 yaz_mutex_destroy(&c->mutex);
882 void client_set_connection(struct client *cl, struct connection *con)
885 ZOOM_resultset_release(cl->resultset);
888 assert(cl->connection == 0);
889 cl->connection = con;
894 cl->connection = con;
899 void client_disconnect(struct client *cl)
901 if (cl->state != Client_Idle)
902 client_set_state(cl, Client_Disconnected);
903 client_set_connection(cl, 0);
907 // Initialize CCL map for a target
908 static CCL_bibset prepare_cclmap(struct client *cl)
910 struct session_database *sdb = client_get_database(cl);
917 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
919 char *p = strchr(s->name + 3, ':');
922 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
927 ccl_qual_fitem(res, s->value, p);
932 // returns a xmalloced CQL query corresponding to the pquery in client
933 static char *make_cqlquery(struct client *cl)
935 cql_transform_t cqlt = cql_transform_create();
938 WRBUF wrb = wrbuf_alloc();
940 ODR odr_out = odr_createmem(ODR_ENCODE);
942 zquery = p_query_rpn(odr_out, cl->pquery);
943 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
944 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
946 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
951 r = xstrdup(wrbuf_cstr(wrb));
954 odr_destroy(odr_out);
955 cql_transform_close(cqlt);
959 // returns a xmalloced SOLR query corresponding to the pquery in client
960 // TODO Could prob. be merge with the similar make_cqlquery
961 static char *make_solrquery(struct client *cl)
963 solr_transform_t sqlt = solr_transform_create();
966 WRBUF wrb = wrbuf_alloc();
968 ODR odr_out = odr_createmem(ODR_ENCODE);
970 zquery = p_query_rpn(odr_out, cl->pquery);
972 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
975 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
976 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
978 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
983 r = xstrdup(wrbuf_cstr(wrb));
986 odr_destroy(odr_out);
987 solr_transform_close(sqlt);
991 static void apply_limit(struct session_database *sdb,
992 facet_limits_t facet_limits,
993 WRBUF w_pqf, WRBUF w_ccl)
998 NMEM nmem_tmp = nmem_create();
999 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
1001 struct setting *s = 0;
1003 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
1005 const char *p = strchr(s->name + 3, ':');
1006 if (p && !strcmp(p + 1, name) && s->value)
1010 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
1013 if (!strncmp(s->value, "rpn:", 4))
1015 const char *pqf = s->value + 4;
1017 wrbuf_puts(w_pqf, "@and ");
1018 wrbuf_puts(w_pqf, pqf);
1019 wrbuf_puts(w_pqf, " ");
1020 for (i = 0; i < num; i++)
1023 wrbuf_puts(w_pqf, "@or ");
1024 yaz_encode_pqf_term(w_pqf, values[i],
1028 else if (!strncmp(s->value, "ccl:", 4))
1030 const char *ccl = s->value + 4;
1032 wrbuf_puts(w_ccl, " and (");
1034 for (i = 0; i < num; i++)
1037 wrbuf_puts(w_ccl, " or ");
1038 wrbuf_puts(w_ccl, ccl);
1039 wrbuf_puts(w_ccl, "=\"");
1040 wrbuf_puts(w_ccl, values[i]);
1041 wrbuf_puts(w_ccl, "\"");
1043 wrbuf_puts(w_ccl, ")");
1049 nmem_reset(nmem_tmp);
1052 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1053 (sdb->database ? sdb->database->id : "<no id>"), name);
1056 nmem_destroy(nmem_tmp);
1059 // Parse the query given the settings specific to this client
1060 int client_parse_query(struct client *cl, const char *query,
1061 facet_limits_t facet_limits,
1062 const char *startrecs, const char *maxrecs)
1064 struct session *se = client_get_session(cl);
1065 struct session_database *sdb = client_get_database(cl);
1066 struct ccl_rpn_node *cn;
1068 CCL_bibset ccl_map = prepare_cclmap(cl);
1069 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1070 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1071 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1072 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1080 if (maxrecs && atoi(maxrecs) != cl->maxrecs)
1083 cl->maxrecs = atoi(maxrecs);
1086 if (startrecs && atoi(startrecs) != cl->startrecs)
1089 cl->startrecs = atoi(startrecs);
1092 w_ccl = wrbuf_alloc();
1093 wrbuf_puts(w_ccl, query);
1095 w_pqf = wrbuf_alloc();
1098 wrbuf_puts(w_pqf, pqf_prefix);
1099 wrbuf_puts(w_pqf, " ");
1102 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1104 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1105 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1106 ccl_qual_rm(&ccl_map);
1109 client_set_state(cl, Client_Error);
1110 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1113 wrbuf_destroy(w_ccl);
1114 wrbuf_destroy(w_pqf);
1117 wrbuf_destroy(w_ccl);
1119 if (!pqf_strftime || !*pqf_strftime)
1120 ccl_pquery(w_pqf, cn);
1123 time_t cur_time = time(0);
1124 struct tm *tm = localtime(&cur_time);
1126 const char *cp = tmp_str;
1128 /* see man strftime(3) for things .. In particular %% gets converted
1129 to %.. And That's our original query .. */
1130 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1134 ccl_pquery(w_pqf, cn);
1136 wrbuf_putc(w_pqf, cp[0]);
1139 if (!cl->pquery || strcmp(cl->pquery, wrbuf_cstr(w_pqf)))
1142 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1145 wrbuf_destroy(w_pqf);
1147 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1149 xfree(cl->cqlquery);
1151 /* Support for PQF on SRU targets. */
1153 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1154 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1156 if (!strcmp(sru, "solr")) {
1157 if (!(cl->cqlquery = make_solrquery(cl)))
1161 if (!(cl->cqlquery = make_cqlquery(cl)))
1168 /* TODO FIX Not thread safe */
1171 // Initialize relevance structure with query terms
1172 se->relevance = relevance_create_ccl(
1173 se->service->charsets, se->nmem, cn);
1180 void client_set_session(struct client *cl, struct session *se)
1185 int client_is_active(struct client *cl)
1187 if (cl->connection && (cl->state == Client_Connecting ||
1188 cl->state == Client_Working))
1193 int client_is_active_preferred(struct client *cl)
1195 /* only count if this is a preferred target. */
1198 /* TODO No sure this the condition that Seb wants */
1199 if (cl->connection && (cl->state == Client_Connecting ||
1200 cl->state == Client_Working))
1205 Odr_int client_get_hits(struct client *cl)
1210 int client_get_num_records(struct client *cl)
1212 return cl->record_offset;
1215 void client_set_diagnostic(struct client *cl, int diagnostic)
1217 cl->diagnostic = diagnostic;
1220 int client_get_diagnostic(struct client *cl)
1222 return cl->diagnostic;
1225 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1228 struct suggestions *suggestions = cl->suggestions;
1231 yaz_log(YLOG_DEBUG, "No suggestions found");
1234 if (suggestions->passthrough) {
1235 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1236 return suggestions->passthrough;
1238 if (suggestions->num == 0) {
1242 for (idx = 0; idx < suggestions->num; idx++) {
1243 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1244 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1245 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1246 wrbuf_puts(wrbuf, "</suggest>\n");
1249 wrbuf_puts(wrbuf, "/>\n");
1252 return wrbuf_cstr(wrbuf);
1256 void client_set_database(struct client *cl, struct session_database *db)
1261 const char *client_get_id(struct client *cl)
1266 int client_get_maxrecs(struct client *cl)
1271 void client_set_preferred(struct client *cl, int v)
1277 struct suggestions* client_suggestions_create(const char* suggestions_string)
1281 struct suggestions *suggestions;
1282 if (suggestions_string == 0)
1284 nmem = nmem_create();
1285 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1286 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1288 suggestions->nmem = nmem;
1289 suggestions->num = 0;
1290 suggestions->misspelled = 0;
1291 suggestions->suggest = 0;
1292 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1294 if (suggestions_string)
1295 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1296 &suggestions->num, 1, '\\', 0);
1297 /* Set up misspelled array */
1298 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1299 /* replace = with \0 .. for each item */
1300 for (i = 0; i < suggestions->num; i++)
1302 char *cp = strchr(suggestions->suggest[i], '=');
1305 suggestions->misspelled[i] = cp+1;
1311 static void client_suggestions_destroy(struct client *cl)
1313 NMEM nmem = cl->suggestions->nmem;
1314 cl->suggestions = 0;
1321 * c-file-style: "Stroustrup"
1322 * indent-tabs-mode: nil
1324 * vim: shiftwidth=4 tabstop=8 expandtab