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_TERMLIST);
184 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
189 static void client_show_raw_error(struct client *cl, const char *addinfo);
191 struct connection *client_get_connection(struct client *cl)
193 return cl->connection;
196 struct session_database *client_get_database(struct client *cl)
201 struct session *client_get_session(struct client *cl)
206 const char *client_get_pquery(struct client *cl)
211 static void client_send_raw_present(struct client *cl);
212 static int nativesyntax_to_type(struct session_database *sdb, char *type,
215 static void client_show_immediate(
216 ZOOM_resultset resultset, struct session_database *sdb, int position,
218 void (*error_handler)(void *data, const char *addinfo),
219 void (*record_handler)(void *data, const char *buf, size_t sz),
229 error_handler(data, "no resultset");
232 rec = ZOOM_resultset_record(resultset, position-1);
235 error_handler(data, "no record");
241 nativesyntax_to_type(sdb, type, rec);
242 buf = ZOOM_record_get(rec, type, &len);
245 error_handler(data, "no record");
248 record_handler(data, buf, len);
252 int client_show_raw_begin(struct client *cl, int position,
253 const char *syntax, const char *esn,
255 void (*error_handler)(void *data, const char *addinfo),
256 void (*record_handler)(void *data, const char *buf,
260 if (syntax == 0 && esn == 0)
261 client_show_immediate(cl->resultset, client_get_database(cl),
263 error_handler, record_handler,
267 struct show_raw *rr, **rrp;
273 rr = xmalloc(sizeof(*rr));
274 rr->position = position;
277 rr->error_handler = error_handler;
278 rr->record_handler = record_handler;
281 rr->syntax = xstrdup(syntax);
285 rr->esn = xstrdup(esn);
290 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
294 if (cl->state == Client_Failed)
296 client_show_raw_error(cl, "client failed");
298 else if (cl->state == Client_Disconnected)
300 client_show_raw_error(cl, "client disconnected");
304 client_send_raw_present(cl);
310 static void client_show_raw_delete(struct show_raw *r)
317 void client_show_raw_remove(struct client *cl, void *data)
319 struct show_raw *rr = data;
320 struct show_raw **rrp = &cl->show_raw;
326 client_show_raw_delete(rr);
330 void client_show_raw_dequeue(struct client *cl)
332 struct show_raw *rr = cl->show_raw;
334 cl->show_raw = rr->next;
335 client_show_raw_delete(rr);
338 static void client_show_raw_error(struct client *cl, const char *addinfo)
342 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
343 client_show_raw_dequeue(cl);
347 static void client_send_raw_present(struct client *cl)
349 struct session_database *sdb = client_get_database(cl);
350 struct connection *co = client_get_connection(cl);
351 ZOOM_resultset set = cl->resultset;
353 int offset = cl->show_raw->position;
354 const char *syntax = 0;
355 const char *elements = 0;
357 assert(cl->show_raw);
360 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
361 client_get_id(cl), 1, offset);
363 if (cl->show_raw->syntax)
364 syntax = cl->show_raw->syntax;
366 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
367 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
369 if (cl->show_raw->esn)
370 elements = cl->show_raw->esn;
372 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
373 if (elements && *elements)
374 ZOOM_resultset_option_set(set, "elementSetName", elements);
376 ZOOM_resultset_records(set, 0, offset-1, 1);
377 cl->show_raw->active = 1;
379 connection_continue(co);
382 static int nativesyntax_to_type(struct session_database *sdb, char *type,
385 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
389 if (!strncmp(s, "iso2709", 7))
391 const char *cp = strchr(s, ';');
392 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
394 else if (!strncmp(s, "xml", 3))
398 else if (!strncmp(s, "txml", 4))
400 const char *cp = strchr(s, ';');
401 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
407 else /* attempt to deduce structure */
409 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
412 if (!strcmp(syntax, "XML"))
417 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
419 strcpy(type, "xml; charset=marc8-s");
429 * TODO Consider thread safety!!!
432 void client_report_facets(struct client *cl, ZOOM_resultset rs)
434 struct session_database *sdb = client_get_database(cl);
435 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
439 struct session *se = client_get_session(cl);
440 int facet_num = ZOOM_resultset_facets_size(rs);
443 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
445 const char *p = strchr(s->name + 3, ':');
446 if (p && p[1] && s->value && s->value[0])
449 p++; /* p now holds logical facet name */
450 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
452 const char *native_name =
453 ZOOM_facet_field_name(facets[facet_idx]);
454 if (native_name && !strcmp(s->value, native_name))
458 ZOOM_facet_field_term_count(facets[facet_idx]);
459 for (term_idx = 0; term_idx < term_num; term_idx++ )
463 ZOOM_facet_field_get_term(facets[facet_idx],
466 add_facet(se, p, term, freq);
476 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
482 if (cl->show_raw->binary)
486 struct session_database *sdb = client_get_database(cl);
487 nativesyntax_to_type(sdb, type, rec);
490 buf = ZOOM_record_get(rec, type, &len);
491 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
492 client_show_raw_dequeue(cl);
495 void client_check_preferred_watch(struct client *cl)
497 struct session *se = cl->session;
498 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
502 /* TODO possible threading issue. Session can have been destroyed */
503 if (session_is_preferred_clients_ready(se)) {
504 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
507 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
512 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
516 struct suggestions* client_suggestions_create(const char* suggestions_string);
517 static void client_suggestions_destroy(struct client *cl);
519 void client_search_response(struct client *cl)
521 struct connection *co = cl->connection;
522 ZOOM_connection link = connection_get_link(co);
523 ZOOM_resultset resultset = cl->resultset;
525 const char *error, *addinfo = 0;
527 if (ZOOM_connection_error(link, &error, &addinfo))
530 client_set_state(cl, Client_Error);
531 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
532 error, addinfo, client_get_id(cl));
536 yaz_log(YLOG_DEBUG, "client_search_response: hits "
537 ODR_INT_PRINTF, cl->hits);
538 client_report_facets(cl, resultset);
539 cl->record_offset = cl->startrecs;
540 cl->hits = ZOOM_resultset_size(resultset);
542 client_suggestions_destroy(cl);
543 cl->suggestions = client_suggestions_create(ZOOM_resultset_option_get(resultset, "suggestions"));
547 void client_got_records(struct client *cl)
549 struct session *se = cl->session;
553 session_alert_watch(se, SESSION_WATCH_SHOW);
554 session_alert_watch(se, SESSION_WATCH_BYTARGET);
555 session_alert_watch(se, SESSION_WATCH_TERMLIST);
556 session_alert_watch(se, SESSION_WATCH_RECORD);
561 void client_record_response(struct client *cl)
563 struct connection *co = cl->connection;
564 ZOOM_connection link = connection_get_link(co);
565 ZOOM_resultset resultset = cl->resultset;
566 const char *error, *addinfo;
568 if (ZOOM_connection_error(link, &error, &addinfo))
570 client_set_state(cl, Client_Error);
571 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
572 error, addinfo, client_get_id(cl));
577 const char *msg, *addinfo;
579 if (cl->show_raw && cl->show_raw->active)
581 if ((rec = ZOOM_resultset_record(resultset,
582 cl->show_raw->position-1)))
584 cl->show_raw->active = 0;
585 ingest_raw_record(cl, rec);
589 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
590 cl->show_raw->position-1);
595 int offset = cl->record_offset;
596 if ((rec = ZOOM_resultset_record(resultset, offset)))
599 if (cl->session == 0)
601 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
603 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
604 msg, addinfo, client_get_id(cl),
609 struct session_database *sdb = client_get_database(cl);
610 NMEM nmem = nmem_create();
614 if (nativesyntax_to_type(sdb, type, rec))
615 yaz_log(YLOG_WARN, "Failed to determine record type");
616 xmlrec = ZOOM_record_get(rec, type, NULL);
618 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
622 /* OK = 0, -1 = failure, -2 = Filtered */
623 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
624 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
631 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
638 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
640 struct session_database *sdb = client_get_database(cl);
642 WRBUF w = wrbuf_alloc();
646 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
648 const char *p = strchr(s->name + 3, ':');
651 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
653 else if (s->value && s->value[0])
655 wrbuf_puts(w, "@attr 1=");
656 yaz_encode_pqf_term(w, s->value, strlen(s->value));
661 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
662 ZOOM_connection_option_set(link, "facets",
663 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
667 int client_has_facet(struct client *cl, const char *name)
669 struct session_database *sdb = client_get_database(cl);
672 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
674 const char *p = strchr(s->name + 3, ':');
675 if (p && !strcmp(name, p + 1))
681 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
684 struct session_database *sdb = client_get_database(cl);
685 struct connection *co = client_get_connection(cl);
686 ZOOM_connection link = connection_get_link(co);
688 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
689 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
690 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
691 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
692 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
693 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
694 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
695 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
696 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
697 char maxrecs_str[24], startrecs_str[24];
702 cl->record_offset = 0;
705 if (extra_args && *extra_args)
706 ZOOM_connection_option_set(link, "extraArgs", extra_args);
709 cl->preferred = atoi(opt_preferred);
711 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
712 client_get_id(cl), cl->preferred);
714 client_set_state(cl, Client_Working);
717 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
719 ZOOM_connection_option_set(link, "piggyback", "1");
721 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
722 if (*opt_sru && *opt_elements)
723 ZOOM_connection_option_set(link, "schema", opt_elements);
724 else if (*opt_elements)
725 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
727 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
729 if (opt_maxrecs && *opt_maxrecs)
731 cl->maxrecs = atoi(opt_maxrecs);
734 /* convert back to string representation used in ZOOM API */
735 sprintf(maxrecs_str, "%d", cl->maxrecs);
736 ZOOM_connection_option_set(link, "count", maxrecs_str);
738 if (cl->maxrecs > 20)
739 ZOOM_connection_option_set(link, "presentChunk", "20");
741 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
743 sprintf(startrecs_str, "%d", cl->startrecs);
744 ZOOM_connection_option_set(link, "start", startrecs_str);
746 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
747 /* facets definition is in PQF */
748 client_set_facets_request(cl, link);
750 q = ZOOM_query_create();
753 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
755 ZOOM_query_cql(q, cl->cqlquery);
757 ZOOM_query_sortby(q, opt_sort);
761 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
763 ZOOM_query_prefix(q, cl->pquery);
765 if (sort_strategy_and_spec &&
766 strlen(sort_strategy_and_spec) < 40 /* spec below */)
769 strcpy(spec, sort_strategy_and_spec);
770 p = strchr(spec, ':');
773 *p++ = '\0'; /* cut the string in two */
780 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
781 ZOOM_query_sortby2(q, spec, p);
784 rs = ZOOM_connection_search(link, q);
785 ZOOM_query_destroy(q);
786 ZOOM_resultset_destroy(cl->resultset);
788 connection_continue(co);
791 struct client *client_create(const char *id)
793 struct client *cl = xmalloc(sizeof(*cl));
802 cl->record_offset = 0;
804 cl->state = Client_Disconnected;
809 pazpar2_mutex_create(&cl->mutex, "client");
813 cl->id = xstrdup(id);
819 void client_lock(struct client *c)
821 yaz_mutex_enter(c->mutex);
824 void client_unlock(struct client *c)
826 yaz_mutex_leave(c->mutex);
829 void client_incref(struct client *c)
831 pazpar2_incref(&c->ref_count, c->mutex);
832 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
833 c, client_get_id(c), c->ref_count);
836 int client_destroy(struct client *c)
840 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
841 c, client_get_id(c), c->ref_count);
842 if (!pazpar2_decref(&c->ref_count, c->mutex))
849 assert(!c->connection);
853 ZOOM_resultset_destroy(c->resultset);
855 yaz_mutex_destroy(&c->mutex);
864 void client_set_connection(struct client *cl, struct connection *con)
867 ZOOM_resultset_release(cl->resultset);
870 assert(cl->connection == 0);
871 cl->connection = con;
876 cl->connection = con;
881 void client_disconnect(struct client *cl)
883 if (cl->state != Client_Idle)
884 client_set_state(cl, Client_Disconnected);
885 client_set_connection(cl, 0);
889 // Initialize CCL map for a target
890 static CCL_bibset prepare_cclmap(struct client *cl)
892 struct session_database *sdb = client_get_database(cl);
899 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
901 char *p = strchr(s->name + 3, ':');
904 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
909 ccl_qual_fitem(res, s->value, p);
914 // returns a xmalloced CQL query corresponding to the pquery in client
915 static char *make_cqlquery(struct client *cl)
917 cql_transform_t cqlt = cql_transform_create();
920 WRBUF wrb = wrbuf_alloc();
922 ODR odr_out = odr_createmem(ODR_ENCODE);
924 zquery = p_query_rpn(odr_out, cl->pquery);
925 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
926 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
928 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
933 r = xstrdup(wrbuf_cstr(wrb));
936 odr_destroy(odr_out);
937 cql_transform_close(cqlt);
941 // returns a xmalloced SOLR query corresponding to the pquery in client
942 // TODO Could prob. be merge with the similar make_cqlquery
943 static char *make_solrquery(struct client *cl)
945 solr_transform_t sqlt = solr_transform_create();
948 WRBUF wrb = wrbuf_alloc();
950 ODR odr_out = odr_createmem(ODR_ENCODE);
952 zquery = p_query_rpn(odr_out, cl->pquery);
954 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
957 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
958 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
960 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
965 r = xstrdup(wrbuf_cstr(wrb));
968 odr_destroy(odr_out);
969 solr_transform_close(sqlt);
973 static void apply_limit(struct session_database *sdb,
974 facet_limits_t facet_limits,
975 WRBUF w_pqf, WRBUF w_ccl)
980 NMEM nmem_tmp = nmem_create();
981 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
983 struct setting *s = 0;
985 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
987 const char *p = strchr(s->name + 3, ':');
988 if (p && !strcmp(p + 1, name) && s->value)
992 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
995 if (!strncmp(s->value, "rpn:", 4))
997 const char *pqf = s->value + 4;
999 wrbuf_puts(w_pqf, "@and ");
1000 wrbuf_puts(w_pqf, pqf);
1001 wrbuf_puts(w_pqf, " ");
1002 for (i = 0; i < num; i++)
1005 wrbuf_puts(w_pqf, "@or ");
1006 yaz_encode_pqf_term(w_pqf, values[i],
1010 else if (!strncmp(s->value, "ccl:", 4))
1012 const char *ccl = s->value + 4;
1014 wrbuf_puts(w_ccl, " and (");
1016 for (i = 0; i < num; i++)
1019 wrbuf_puts(w_ccl, " or ");
1020 wrbuf_puts(w_ccl, ccl);
1021 wrbuf_puts(w_ccl, "=\"");
1022 wrbuf_puts(w_ccl, values[i]);
1023 wrbuf_puts(w_ccl, "\"");
1025 wrbuf_puts(w_ccl, ")");
1031 nmem_reset(nmem_tmp);
1034 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1035 (sdb->database ? sdb->database->id : "<no id>"), name);
1038 nmem_destroy(nmem_tmp);
1041 // Parse the query given the settings specific to this client
1042 int client_parse_query(struct client *cl, const char *query,
1043 facet_limits_t facet_limits)
1045 struct session *se = client_get_session(cl);
1046 struct session_database *sdb = client_get_database(cl);
1047 struct ccl_rpn_node *cn;
1049 CCL_bibset ccl_map = prepare_cclmap(cl);
1050 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1051 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1052 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1053 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1059 w_ccl = wrbuf_alloc();
1060 wrbuf_puts(w_ccl, query);
1062 w_pqf = wrbuf_alloc();
1065 wrbuf_puts(w_pqf, pqf_prefix);
1066 wrbuf_puts(w_pqf, " ");
1069 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1071 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1072 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1073 ccl_qual_rm(&ccl_map);
1076 client_set_state(cl, Client_Error);
1077 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1080 wrbuf_destroy(w_ccl);
1081 wrbuf_destroy(w_pqf);
1084 wrbuf_destroy(w_ccl);
1086 if (!pqf_strftime || !*pqf_strftime)
1087 ccl_pquery(w_pqf, cn);
1090 time_t cur_time = time(0);
1091 struct tm *tm = localtime(&cur_time);
1093 const char *cp = tmp_str;
1095 /* see man strftime(3) for things .. In particular %% gets converted
1096 to %.. And That's our original query .. */
1097 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1101 ccl_pquery(w_pqf, cn);
1103 wrbuf_putc(w_pqf, cp[0]);
1107 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1108 wrbuf_destroy(w_pqf);
1110 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1112 xfree(cl->cqlquery);
1114 /* Support for PQF on SRU targets. */
1116 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1117 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1119 if (!strcmp(sru, "solr")) {
1120 if (!(cl->cqlquery = make_solrquery(cl)))
1124 if (!(cl->cqlquery = make_cqlquery(cl)))
1131 /* TODO FIX Not thread safe */
1134 // Initialize relevance structure with query terms
1135 se->relevance = relevance_create_ccl(
1136 se->service->charsets, se->nmem, cn);
1143 void client_set_session(struct client *cl, struct session *se)
1148 int client_is_active(struct client *cl)
1150 if (cl->connection && (cl->state == Client_Connecting ||
1151 cl->state == Client_Working))
1156 int client_is_active_preferred(struct client *cl)
1158 /* only count if this is a preferred target. */
1161 /* TODO No sure this the condition that Seb wants */
1162 if (cl->connection && (cl->state == Client_Connecting ||
1163 cl->state == Client_Working))
1168 Odr_int client_get_hits(struct client *cl)
1173 int client_get_num_records(struct client *cl)
1175 return cl->record_offset;
1178 void client_set_diagnostic(struct client *cl, int diagnostic)
1180 cl->diagnostic = diagnostic;
1183 int client_get_diagnostic(struct client *cl)
1185 return cl->diagnostic;
1188 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1191 struct suggestions *suggestions = cl->suggestions;
1194 //yaz_log(YLOG_DEBUG, "No suggestions found");
1197 if (suggestions->passthrough) {
1198 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1199 return suggestions->passthrough;
1201 if (suggestions->num == 0) {
1205 for (idx = 0; idx < suggestions->num; idx++) {
1206 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1207 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1208 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1209 wrbuf_puts(wrbuf, "</suggest>\n");
1212 wrbuf_puts(wrbuf, "/>\n");
1215 return wrbuf_cstr(wrbuf);
1219 void client_set_database(struct client *cl, struct session_database *db)
1224 const char *client_get_id(struct client *cl)
1229 void client_set_maxrecs(struct client *cl, int v)
1234 int client_get_maxrecs(struct client *cl)
1239 void client_set_startrecs(struct client *cl, int v)
1244 void client_set_preferred(struct client *cl, int v)
1250 struct suggestions* client_suggestions_create(const char* suggestions_string)
1254 struct suggestions *suggestions;
1255 if (suggestions_string == 0)
1257 nmem = nmem_create();
1258 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1259 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1261 suggestions->nmem = nmem;
1262 suggestions->num = 0;
1263 suggestions->misspelled = 0;
1264 suggestions->suggest = 0;
1265 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1267 if (suggestions_string)
1268 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1269 &suggestions->num, 1, '\\', 0);
1270 /* Set up misspelled array */
1271 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1272 /* replace = with \0 .. for each item */
1273 for (i = 0; i < suggestions->num; i++)
1275 char *cp = strchr(suggestions->suggest[i], '=');
1278 suggestions->misspelled[i] = cp+1;
1284 static void client_suggestions_destroy(struct client *cl)
1286 NMEM nmem = cl->suggestions->nmem;
1287 cl->suggestions = 0;
1294 * c-file-style: "Stroustrup"
1295 * indent-tabs-mode: nil
1297 * vim: shiftwidth=4 tabstop=8 expandtab