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_SHOW_PREF);
187 static void client_show_raw_error(struct client *cl, const char *addinfo);
189 struct connection *client_get_connection(struct client *cl)
191 return cl->connection;
194 struct session_database *client_get_database(struct client *cl)
199 struct session *client_get_session(struct client *cl)
204 const char *client_get_pquery(struct client *cl)
209 static void client_send_raw_present(struct client *cl);
210 static int nativesyntax_to_type(struct session_database *sdb, char *type,
213 static void client_show_immediate(
214 ZOOM_resultset resultset, struct session_database *sdb, int position,
216 void (*error_handler)(void *data, const char *addinfo),
217 void (*record_handler)(void *data, const char *buf, size_t sz),
227 error_handler(data, "no resultset");
230 rec = ZOOM_resultset_record(resultset, position-1);
233 error_handler(data, "no record");
239 nativesyntax_to_type(sdb, type, rec);
240 buf = ZOOM_record_get(rec, type, &len);
243 error_handler(data, "no record");
246 record_handler(data, buf, len);
250 int client_show_raw_begin(struct client *cl, int position,
251 const char *syntax, const char *esn,
253 void (*error_handler)(void *data, const char *addinfo),
254 void (*record_handler)(void *data, const char *buf,
258 if (syntax == 0 && esn == 0)
259 client_show_immediate(cl->resultset, client_get_database(cl),
261 error_handler, record_handler,
265 struct show_raw *rr, **rrp;
271 rr = xmalloc(sizeof(*rr));
272 rr->position = position;
275 rr->error_handler = error_handler;
276 rr->record_handler = record_handler;
279 rr->syntax = xstrdup(syntax);
283 rr->esn = xstrdup(esn);
288 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
292 if (cl->state == Client_Failed)
294 client_show_raw_error(cl, "client failed");
296 else if (cl->state == Client_Disconnected)
298 client_show_raw_error(cl, "client disconnected");
302 client_send_raw_present(cl);
308 static void client_show_raw_delete(struct show_raw *r)
315 void client_show_raw_remove(struct client *cl, void *data)
317 struct show_raw *rr = data;
318 struct show_raw **rrp = &cl->show_raw;
324 client_show_raw_delete(rr);
328 void client_show_raw_dequeue(struct client *cl)
330 struct show_raw *rr = cl->show_raw;
332 cl->show_raw = rr->next;
333 client_show_raw_delete(rr);
336 static void client_show_raw_error(struct client *cl, const char *addinfo)
340 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
341 client_show_raw_dequeue(cl);
345 static void client_send_raw_present(struct client *cl)
347 struct session_database *sdb = client_get_database(cl);
348 struct connection *co = client_get_connection(cl);
349 ZOOM_resultset set = cl->resultset;
351 int offset = cl->show_raw->position;
352 const char *syntax = 0;
353 const char *elements = 0;
355 assert(cl->show_raw);
358 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
359 client_get_id(cl), 1, offset);
361 if (cl->show_raw->syntax)
362 syntax = cl->show_raw->syntax;
364 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
365 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
367 if (cl->show_raw->esn)
368 elements = cl->show_raw->esn;
370 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
371 if (elements && *elements)
372 ZOOM_resultset_option_set(set, "elementSetName", elements);
374 ZOOM_resultset_records(set, 0, offset-1, 1);
375 cl->show_raw->active = 1;
377 connection_continue(co);
380 static int nativesyntax_to_type(struct session_database *sdb, char *type,
383 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
387 if (!strncmp(s, "iso2709", 7))
389 const char *cp = strchr(s, ';');
390 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
392 else if (!strncmp(s, "xml", 3))
396 else if (!strncmp(s, "txml", 4))
398 const char *cp = strchr(s, ';');
399 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
405 else /* attempt to deduce structure */
407 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
410 if (!strcmp(syntax, "XML"))
415 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
417 strcpy(type, "xml; charset=marc8-s");
427 * TODO Consider thread safety!!!
430 void client_report_facets(struct client *cl, ZOOM_resultset rs)
432 struct session_database *sdb = client_get_database(cl);
433 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
437 struct session *se = client_get_session(cl);
438 int facet_num = ZOOM_resultset_facets_size(rs);
441 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
443 const char *p = strchr(s->name + 3, ':');
444 if (p && p[1] && s->value && s->value[0])
447 p++; /* p now holds logical facet name */
448 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
450 const char *native_name =
451 ZOOM_facet_field_name(facets[facet_idx]);
452 if (native_name && !strcmp(s->value, native_name))
456 ZOOM_facet_field_term_count(facets[facet_idx]);
457 for (term_idx = 0; term_idx < term_num; term_idx++ )
461 ZOOM_facet_field_get_term(facets[facet_idx],
464 add_facet(se, p, term, freq);
474 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
480 if (cl->show_raw->binary)
484 struct session_database *sdb = client_get_database(cl);
485 nativesyntax_to_type(sdb, type, rec);
488 buf = ZOOM_record_get(rec, type, &len);
489 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
490 client_show_raw_dequeue(cl);
493 void client_check_preferred_watch(struct client *cl)
495 struct session *se = cl->session;
496 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
500 /* TODO possible threading issue. Session can have been destroyed */
501 if (session_is_preferred_clients_ready(se)) {
502 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
505 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
510 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
514 struct suggestions* client_suggestions_create(const char* suggestions_string);
515 static void client_suggestions_destroy(struct client *cl);
517 void client_search_response(struct client *cl)
519 struct connection *co = cl->connection;
520 ZOOM_connection link = connection_get_link(co);
521 ZOOM_resultset resultset = cl->resultset;
523 const char *error, *addinfo = 0;
525 if (ZOOM_connection_error(link, &error, &addinfo))
528 client_set_state(cl, Client_Error);
529 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
530 error, addinfo, client_get_id(cl));
534 yaz_log(YLOG_DEBUG, "client_search_response: hits "
535 ODR_INT_PRINTF, cl->hits);
536 client_report_facets(cl, resultset);
537 cl->record_offset = cl->startrecs;
538 cl->hits = ZOOM_resultset_size(resultset);
540 client_suggestions_destroy(cl);
541 cl->suggestions = client_suggestions_create(ZOOM_resultset_option_get(resultset, "suggestions"));
545 void client_got_records(struct client *cl)
547 struct session *se = cl->session;
551 session_alert_watch(se, SESSION_WATCH_SHOW);
552 session_alert_watch(se, SESSION_WATCH_RECORD);
557 static void client_record_ingest(struct client *cl)
559 const char *msg, *addinfo;
561 ZOOM_resultset resultset = cl->resultset;
562 int offset = cl->record_offset;
563 if ((rec = ZOOM_resultset_record(resultset, offset)))
566 if (cl->session == 0)
568 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
570 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
571 msg, addinfo, client_get_id(cl),
576 struct session_database *sdb = client_get_database(cl);
577 NMEM nmem = nmem_create();
581 if (nativesyntax_to_type(sdb, type, rec))
582 yaz_log(YLOG_WARN, "Failed to determine record type");
583 xmlrec = ZOOM_record_get(rec, type, NULL);
585 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
589 /* OK = 0, -1 = failure, -2 = Filtered */
590 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
591 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
598 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
603 void client_record_response(struct client *cl)
605 struct connection *co = cl->connection;
606 ZOOM_connection link = connection_get_link(co);
607 ZOOM_resultset resultset = cl->resultset;
608 const char *error, *addinfo;
610 if (ZOOM_connection_error(link, &error, &addinfo))
612 client_set_state(cl, Client_Error);
613 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
614 error, addinfo, client_get_id(cl));
618 if (cl->show_raw && cl->show_raw->active)
621 if ((rec = ZOOM_resultset_record(resultset,
622 cl->show_raw->position-1)))
624 cl->show_raw->active = 0;
625 ingest_raw_record(cl, rec);
629 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
630 cl->show_raw->position-1);
635 client_record_ingest(cl);
640 void client_reingest(struct client *cl)
642 int i = cl->startrecs;
643 int to = cl->record_offset;
645 cl->record_offset = i;
647 client_record_ingest(cl);
650 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
652 struct session_database *sdb = client_get_database(cl);
654 WRBUF w = wrbuf_alloc();
658 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
660 const char *p = strchr(s->name + 3, ':');
663 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
665 else if (s->value && s->value[0])
667 wrbuf_puts(w, "@attr 1=");
668 yaz_encode_pqf_term(w, s->value, strlen(s->value));
673 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
674 ZOOM_connection_option_set(link, "facets",
675 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
679 int client_has_facet(struct client *cl, const char *name)
681 struct session_database *sdb = client_get_database(cl);
684 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
686 const char *p = strchr(s->name + 3, ':');
687 if (p && !strcmp(name, p + 1))
693 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
696 struct session_database *sdb = client_get_database(cl);
697 struct connection *co = client_get_connection(cl);
698 ZOOM_connection link = connection_get_link(co);
700 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
701 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
702 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
703 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
704 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
705 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
706 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
707 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
708 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
709 char maxrecs_str[24], startrecs_str[24];
715 cl->record_offset = 0;
718 if (extra_args && *extra_args)
719 ZOOM_connection_option_set(link, "extraArgs", extra_args);
722 cl->preferred = atoi(opt_preferred);
724 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
725 client_get_id(cl), cl->preferred);
727 client_set_state(cl, Client_Working);
730 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
732 ZOOM_connection_option_set(link, "piggyback", "1");
734 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
735 if (*opt_sru && *opt_elements)
736 ZOOM_connection_option_set(link, "schema", opt_elements);
737 else if (*opt_elements)
738 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
740 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
742 if (opt_maxrecs && *opt_maxrecs)
744 cl->maxrecs = atoi(opt_maxrecs);
747 /* convert back to string representation used in ZOOM API */
748 sprintf(maxrecs_str, "%d", cl->maxrecs);
749 ZOOM_connection_option_set(link, "count", maxrecs_str);
751 if (cl->maxrecs > 20)
752 ZOOM_connection_option_set(link, "presentChunk", "20");
754 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
756 sprintf(startrecs_str, "%d", cl->startrecs);
757 ZOOM_connection_option_set(link, "start", startrecs_str);
759 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
760 /* facets definition is in PQF */
761 client_set_facets_request(cl, link);
763 q = ZOOM_query_create();
766 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
768 ZOOM_query_cql(q, cl->cqlquery);
770 ZOOM_query_sortby(q, opt_sort);
774 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
776 ZOOM_query_prefix(q, cl->pquery);
778 if (sort_strategy_and_spec &&
779 strlen(sort_strategy_and_spec) < 40 /* spec below */)
782 strcpy(spec, sort_strategy_and_spec);
783 p = strchr(spec, ':');
786 *p++ = '\0'; /* cut the string in two */
793 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
794 ZOOM_query_sortby2(q, spec, p);
797 rs = ZOOM_connection_search(link, q);
798 ZOOM_query_destroy(q);
799 ZOOM_resultset_destroy(cl->resultset);
801 connection_continue(co);
804 struct client *client_create(const char *id)
806 struct client *cl = xmalloc(sizeof(*cl));
815 cl->record_offset = 0;
817 cl->state = Client_Disconnected;
822 pazpar2_mutex_create(&cl->mutex, "client");
826 cl->id = xstrdup(id);
832 void client_lock(struct client *c)
834 yaz_mutex_enter(c->mutex);
837 void client_unlock(struct client *c)
839 yaz_mutex_leave(c->mutex);
842 void client_incref(struct client *c)
844 pazpar2_incref(&c->ref_count, c->mutex);
845 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
846 c, client_get_id(c), c->ref_count);
849 int client_destroy(struct client *c)
853 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
854 c, client_get_id(c), c->ref_count);
855 if (!pazpar2_decref(&c->ref_count, c->mutex))
862 assert(!c->connection);
866 ZOOM_resultset_destroy(c->resultset);
868 yaz_mutex_destroy(&c->mutex);
877 void client_set_connection(struct client *cl, struct connection *con)
880 ZOOM_resultset_release(cl->resultset);
883 assert(cl->connection == 0);
884 cl->connection = con;
889 cl->connection = con;
894 void client_disconnect(struct client *cl)
896 if (cl->state != Client_Idle)
897 client_set_state(cl, Client_Disconnected);
898 client_set_connection(cl, 0);
902 // Initialize CCL map for a target
903 static CCL_bibset prepare_cclmap(struct client *cl)
905 struct session_database *sdb = client_get_database(cl);
912 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
914 char *p = strchr(s->name + 3, ':');
917 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
922 ccl_qual_fitem(res, s->value, p);
927 // returns a xmalloced CQL query corresponding to the pquery in client
928 static char *make_cqlquery(struct client *cl)
930 cql_transform_t cqlt = cql_transform_create();
933 WRBUF wrb = wrbuf_alloc();
935 ODR odr_out = odr_createmem(ODR_ENCODE);
937 zquery = p_query_rpn(odr_out, cl->pquery);
938 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
939 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
941 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
946 r = xstrdup(wrbuf_cstr(wrb));
949 odr_destroy(odr_out);
950 cql_transform_close(cqlt);
954 // returns a xmalloced SOLR query corresponding to the pquery in client
955 // TODO Could prob. be merge with the similar make_cqlquery
956 static char *make_solrquery(struct client *cl)
958 solr_transform_t sqlt = solr_transform_create();
961 WRBUF wrb = wrbuf_alloc();
963 ODR odr_out = odr_createmem(ODR_ENCODE);
965 zquery = p_query_rpn(odr_out, cl->pquery);
967 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
970 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
971 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
973 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
978 r = xstrdup(wrbuf_cstr(wrb));
981 odr_destroy(odr_out);
982 solr_transform_close(sqlt);
986 static void apply_limit(struct session_database *sdb,
987 facet_limits_t facet_limits,
988 WRBUF w_pqf, WRBUF w_ccl)
993 NMEM nmem_tmp = nmem_create();
994 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
996 struct setting *s = 0;
998 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
1000 const char *p = strchr(s->name + 3, ':');
1001 if (p && !strcmp(p + 1, name) && s->value)
1005 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
1008 if (!strncmp(s->value, "rpn:", 4))
1010 const char *pqf = s->value + 4;
1012 wrbuf_puts(w_pqf, "@and ");
1013 wrbuf_puts(w_pqf, pqf);
1014 wrbuf_puts(w_pqf, " ");
1015 for (i = 0; i < num; i++)
1018 wrbuf_puts(w_pqf, "@or ");
1019 yaz_encode_pqf_term(w_pqf, values[i],
1023 else if (!strncmp(s->value, "ccl:", 4))
1025 const char *ccl = s->value + 4;
1027 wrbuf_puts(w_ccl, " and (");
1029 for (i = 0; i < num; i++)
1032 wrbuf_puts(w_ccl, " or ");
1033 wrbuf_puts(w_ccl, ccl);
1034 wrbuf_puts(w_ccl, "=\"");
1035 wrbuf_puts(w_ccl, values[i]);
1036 wrbuf_puts(w_ccl, "\"");
1038 wrbuf_puts(w_ccl, ")");
1044 nmem_reset(nmem_tmp);
1047 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1048 (sdb->database ? sdb->database->id : "<no id>"), name);
1051 nmem_destroy(nmem_tmp);
1054 // Parse the query given the settings specific to this client
1055 int client_parse_query(struct client *cl, const char *query,
1056 facet_limits_t facet_limits,
1057 const char *startrecs, const char *maxrecs)
1059 struct session *se = client_get_session(cl);
1060 struct session_database *sdb = client_get_database(cl);
1061 struct ccl_rpn_node *cn;
1063 CCL_bibset ccl_map = prepare_cclmap(cl);
1064 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1065 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1066 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1067 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1075 if (maxrecs && atoi(maxrecs) != cl->maxrecs)
1078 cl->maxrecs = atoi(maxrecs);
1081 if (startrecs && atoi(startrecs) != cl->startrecs)
1084 cl->startrecs = atoi(startrecs);
1087 w_ccl = wrbuf_alloc();
1088 wrbuf_puts(w_ccl, query);
1090 w_pqf = wrbuf_alloc();
1093 wrbuf_puts(w_pqf, pqf_prefix);
1094 wrbuf_puts(w_pqf, " ");
1097 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1099 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1100 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1101 ccl_qual_rm(&ccl_map);
1104 client_set_state(cl, Client_Error);
1105 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1108 wrbuf_destroy(w_ccl);
1109 wrbuf_destroy(w_pqf);
1112 wrbuf_destroy(w_ccl);
1114 if (!pqf_strftime || !*pqf_strftime)
1115 ccl_pquery(w_pqf, cn);
1118 time_t cur_time = time(0);
1119 struct tm *tm = localtime(&cur_time);
1121 const char *cp = tmp_str;
1123 /* see man strftime(3) for things .. In particular %% gets converted
1124 to %.. And That's our original query .. */
1125 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1129 ccl_pquery(w_pqf, cn);
1131 wrbuf_putc(w_pqf, cp[0]);
1134 if (!cl->pquery || strcmp(cl->pquery, wrbuf_cstr(w_pqf)))
1137 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1140 wrbuf_destroy(w_pqf);
1142 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1144 xfree(cl->cqlquery);
1146 /* Support for PQF on SRU targets. */
1148 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1149 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1151 if (!strcmp(sru, "solr")) {
1152 if (!(cl->cqlquery = make_solrquery(cl)))
1156 if (!(cl->cqlquery = make_cqlquery(cl)))
1163 /* TODO FIX Not thread safe */
1166 // Initialize relevance structure with query terms
1167 se->relevance = relevance_create_ccl(
1168 se->service->charsets, se->nmem, cn);
1175 void client_set_session(struct client *cl, struct session *se)
1180 int client_is_active(struct client *cl)
1182 if (cl->connection && (cl->state == Client_Connecting ||
1183 cl->state == Client_Working))
1188 int client_is_active_preferred(struct client *cl)
1190 /* only count if this is a preferred target. */
1193 /* TODO No sure this the condition that Seb wants */
1194 if (cl->connection && (cl->state == Client_Connecting ||
1195 cl->state == Client_Working))
1200 Odr_int client_get_hits(struct client *cl)
1205 int client_get_num_records(struct client *cl)
1207 return cl->record_offset;
1210 void client_set_diagnostic(struct client *cl, int diagnostic)
1212 cl->diagnostic = diagnostic;
1215 int client_get_diagnostic(struct client *cl)
1217 return cl->diagnostic;
1220 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1223 struct suggestions *suggestions = cl->suggestions;
1226 yaz_log(YLOG_DEBUG, "No suggestions found");
1229 if (suggestions->passthrough) {
1230 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1231 return suggestions->passthrough;
1233 if (suggestions->num == 0) {
1237 for (idx = 0; idx < suggestions->num; idx++) {
1238 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1239 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1240 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1241 wrbuf_puts(wrbuf, "</suggest>\n");
1244 wrbuf_puts(wrbuf, "/>\n");
1247 return wrbuf_cstr(wrbuf);
1251 void client_set_database(struct client *cl, struct session_database *db)
1256 const char *client_get_id(struct client *cl)
1261 int client_get_maxrecs(struct client *cl)
1266 void client_set_preferred(struct client *cl, int v)
1272 struct suggestions* client_suggestions_create(const char* suggestions_string)
1276 struct suggestions *suggestions;
1277 if (suggestions_string == 0)
1279 nmem = nmem_create();
1280 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1281 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1283 suggestions->nmem = nmem;
1284 suggestions->num = 0;
1285 suggestions->misspelled = 0;
1286 suggestions->suggest = 0;
1287 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1289 if (suggestions_string)
1290 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1291 &suggestions->num, 1, '\\', 0);
1292 /* Set up misspelled array */
1293 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1294 /* replace = with \0 .. for each item */
1295 for (i = 0; i < suggestions->num; i++)
1297 char *cp = strchr(suggestions->suggest[i], '=');
1300 suggestions->misspelled[i] = cp+1;
1306 static void client_suggestions_destroy(struct client *cl)
1308 NMEM nmem = cl->suggestions->nmem;
1309 cl->suggestions = 0;
1316 * c-file-style: "Stroustrup"
1317 * indent-tabs-mode: nil
1319 * vim: shiftwidth=4 tabstop=8 expandtab