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 void client_record_response(struct client *cl)
559 struct connection *co = cl->connection;
560 ZOOM_connection link = connection_get_link(co);
561 ZOOM_resultset resultset = cl->resultset;
562 const char *error, *addinfo;
564 if (ZOOM_connection_error(link, &error, &addinfo))
566 client_set_state(cl, Client_Error);
567 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
568 error, addinfo, client_get_id(cl));
573 const char *msg, *addinfo;
575 if (cl->show_raw && cl->show_raw->active)
577 if ((rec = ZOOM_resultset_record(resultset,
578 cl->show_raw->position-1)))
580 cl->show_raw->active = 0;
581 ingest_raw_record(cl, rec);
585 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
586 cl->show_raw->position-1);
591 int offset = cl->record_offset;
592 if ((rec = ZOOM_resultset_record(resultset, offset)))
595 if (cl->session == 0)
597 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
599 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
600 msg, addinfo, client_get_id(cl),
605 struct session_database *sdb = client_get_database(cl);
606 NMEM nmem = nmem_create();
610 if (nativesyntax_to_type(sdb, type, rec))
611 yaz_log(YLOG_WARN, "Failed to determine record type");
612 xmlrec = ZOOM_record_get(rec, type, NULL);
614 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
618 /* OK = 0, -1 = failure, -2 = Filtered */
619 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
620 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
627 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
634 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
636 struct session_database *sdb = client_get_database(cl);
638 WRBUF w = wrbuf_alloc();
642 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
644 const char *p = strchr(s->name + 3, ':');
647 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
649 else if (s->value && s->value[0])
651 wrbuf_puts(w, "@attr 1=");
652 yaz_encode_pqf_term(w, s->value, strlen(s->value));
657 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
658 ZOOM_connection_option_set(link, "facets",
659 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
663 int client_has_facet(struct client *cl, const char *name)
665 struct session_database *sdb = client_get_database(cl);
668 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
670 const char *p = strchr(s->name + 3, ':');
671 if (p && !strcmp(name, p + 1))
677 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
680 struct session_database *sdb = client_get_database(cl);
681 struct connection *co = client_get_connection(cl);
682 ZOOM_connection link = connection_get_link(co);
684 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
685 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
686 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
687 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
688 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
689 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
690 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
691 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
692 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
693 char maxrecs_str[24], startrecs_str[24];
698 cl->record_offset = 0;
701 if (extra_args && *extra_args)
702 ZOOM_connection_option_set(link, "extraArgs", extra_args);
705 cl->preferred = atoi(opt_preferred);
707 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
708 client_get_id(cl), cl->preferred);
710 client_set_state(cl, Client_Working);
713 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
715 ZOOM_connection_option_set(link, "piggyback", "1");
717 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
718 if (*opt_sru && *opt_elements)
719 ZOOM_connection_option_set(link, "schema", opt_elements);
720 else if (*opt_elements)
721 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
723 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
725 if (opt_maxrecs && *opt_maxrecs)
727 cl->maxrecs = atoi(opt_maxrecs);
730 /* convert back to string representation used in ZOOM API */
731 sprintf(maxrecs_str, "%d", cl->maxrecs);
732 ZOOM_connection_option_set(link, "count", maxrecs_str);
734 if (cl->maxrecs > 20)
735 ZOOM_connection_option_set(link, "presentChunk", "20");
737 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
739 sprintf(startrecs_str, "%d", cl->startrecs);
740 ZOOM_connection_option_set(link, "start", startrecs_str);
742 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
743 /* facets definition is in PQF */
744 client_set_facets_request(cl, link);
746 q = ZOOM_query_create();
749 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
751 ZOOM_query_cql(q, cl->cqlquery);
753 ZOOM_query_sortby(q, opt_sort);
757 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
759 ZOOM_query_prefix(q, cl->pquery);
761 if (sort_strategy_and_spec &&
762 strlen(sort_strategy_and_spec) < 40 /* spec below */)
765 strcpy(spec, sort_strategy_and_spec);
766 p = strchr(spec, ':');
769 *p++ = '\0'; /* cut the string in two */
776 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
777 ZOOM_query_sortby2(q, spec, p);
780 rs = ZOOM_connection_search(link, q);
781 ZOOM_query_destroy(q);
782 ZOOM_resultset_destroy(cl->resultset);
784 connection_continue(co);
787 struct client *client_create(const char *id)
789 struct client *cl = xmalloc(sizeof(*cl));
798 cl->record_offset = 0;
800 cl->state = Client_Disconnected;
805 pazpar2_mutex_create(&cl->mutex, "client");
809 cl->id = xstrdup(id);
815 void client_lock(struct client *c)
817 yaz_mutex_enter(c->mutex);
820 void client_unlock(struct client *c)
822 yaz_mutex_leave(c->mutex);
825 void client_incref(struct client *c)
827 pazpar2_incref(&c->ref_count, c->mutex);
828 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
829 c, client_get_id(c), c->ref_count);
832 int client_destroy(struct client *c)
836 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
837 c, client_get_id(c), c->ref_count);
838 if (!pazpar2_decref(&c->ref_count, c->mutex))
845 assert(!c->connection);
849 ZOOM_resultset_destroy(c->resultset);
851 yaz_mutex_destroy(&c->mutex);
860 void client_set_connection(struct client *cl, struct connection *con)
863 ZOOM_resultset_release(cl->resultset);
866 assert(cl->connection == 0);
867 cl->connection = con;
872 cl->connection = con;
877 void client_disconnect(struct client *cl)
879 if (cl->state != Client_Idle)
880 client_set_state(cl, Client_Disconnected);
881 client_set_connection(cl, 0);
885 // Initialize CCL map for a target
886 static CCL_bibset prepare_cclmap(struct client *cl)
888 struct session_database *sdb = client_get_database(cl);
895 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
897 char *p = strchr(s->name + 3, ':');
900 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
905 ccl_qual_fitem(res, s->value, p);
910 // returns a xmalloced CQL query corresponding to the pquery in client
911 static char *make_cqlquery(struct client *cl)
913 cql_transform_t cqlt = cql_transform_create();
916 WRBUF wrb = wrbuf_alloc();
918 ODR odr_out = odr_createmem(ODR_ENCODE);
920 zquery = p_query_rpn(odr_out, cl->pquery);
921 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
922 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
924 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
929 r = xstrdup(wrbuf_cstr(wrb));
932 odr_destroy(odr_out);
933 cql_transform_close(cqlt);
937 // returns a xmalloced SOLR query corresponding to the pquery in client
938 // TODO Could prob. be merge with the similar make_cqlquery
939 static char *make_solrquery(struct client *cl)
941 solr_transform_t sqlt = solr_transform_create();
944 WRBUF wrb = wrbuf_alloc();
946 ODR odr_out = odr_createmem(ODR_ENCODE);
948 zquery = p_query_rpn(odr_out, cl->pquery);
950 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
953 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
954 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
956 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
961 r = xstrdup(wrbuf_cstr(wrb));
964 odr_destroy(odr_out);
965 solr_transform_close(sqlt);
969 static void apply_limit(struct session_database *sdb,
970 facet_limits_t facet_limits,
971 WRBUF w_pqf, WRBUF w_ccl)
976 NMEM nmem_tmp = nmem_create();
977 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
979 struct setting *s = 0;
981 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
983 const char *p = strchr(s->name + 3, ':');
984 if (p && !strcmp(p + 1, name) && s->value)
988 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
991 if (!strncmp(s->value, "rpn:", 4))
993 const char *pqf = s->value + 4;
995 wrbuf_puts(w_pqf, "@and ");
996 wrbuf_puts(w_pqf, pqf);
997 wrbuf_puts(w_pqf, " ");
998 for (i = 0; i < num; i++)
1001 wrbuf_puts(w_pqf, "@or ");
1002 yaz_encode_pqf_term(w_pqf, values[i],
1006 else if (!strncmp(s->value, "ccl:", 4))
1008 const char *ccl = s->value + 4;
1010 wrbuf_puts(w_ccl, " and (");
1012 for (i = 0; i < num; i++)
1015 wrbuf_puts(w_ccl, " or ");
1016 wrbuf_puts(w_ccl, ccl);
1017 wrbuf_puts(w_ccl, "=\"");
1018 wrbuf_puts(w_ccl, values[i]);
1019 wrbuf_puts(w_ccl, "\"");
1021 wrbuf_puts(w_ccl, ")");
1027 nmem_reset(nmem_tmp);
1030 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1031 (sdb->database ? sdb->database->id : "<no id>"), name);
1034 nmem_destroy(nmem_tmp);
1037 // Parse the query given the settings specific to this client
1038 int client_parse_query(struct client *cl, const char *query,
1039 facet_limits_t facet_limits)
1041 struct session *se = client_get_session(cl);
1042 struct session_database *sdb = client_get_database(cl);
1043 struct ccl_rpn_node *cn;
1045 CCL_bibset ccl_map = prepare_cclmap(cl);
1046 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1047 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1048 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1049 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1055 w_ccl = wrbuf_alloc();
1056 wrbuf_puts(w_ccl, query);
1058 w_pqf = wrbuf_alloc();
1061 wrbuf_puts(w_pqf, pqf_prefix);
1062 wrbuf_puts(w_pqf, " ");
1065 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1067 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1068 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1069 ccl_qual_rm(&ccl_map);
1072 client_set_state(cl, Client_Error);
1073 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1076 wrbuf_destroy(w_ccl);
1077 wrbuf_destroy(w_pqf);
1080 wrbuf_destroy(w_ccl);
1082 if (!pqf_strftime || !*pqf_strftime)
1083 ccl_pquery(w_pqf, cn);
1086 time_t cur_time = time(0);
1087 struct tm *tm = localtime(&cur_time);
1089 const char *cp = tmp_str;
1091 /* see man strftime(3) for things .. In particular %% gets converted
1092 to %.. And That's our original query .. */
1093 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1097 ccl_pquery(w_pqf, cn);
1099 wrbuf_putc(w_pqf, cp[0]);
1103 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1104 wrbuf_destroy(w_pqf);
1106 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1108 xfree(cl->cqlquery);
1110 /* Support for PQF on SRU targets. */
1112 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1113 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1115 if (!strcmp(sru, "solr")) {
1116 if (!(cl->cqlquery = make_solrquery(cl)))
1120 if (!(cl->cqlquery = make_cqlquery(cl)))
1127 /* TODO FIX Not thread safe */
1130 // Initialize relevance structure with query terms
1131 se->relevance = relevance_create_ccl(
1132 se->service->charsets, se->nmem, cn);
1139 void client_set_session(struct client *cl, struct session *se)
1144 int client_is_active(struct client *cl)
1146 if (cl->connection && (cl->state == Client_Connecting ||
1147 cl->state == Client_Working))
1152 int client_is_active_preferred(struct client *cl)
1154 /* only count if this is a preferred target. */
1157 /* TODO No sure this the condition that Seb wants */
1158 if (cl->connection && (cl->state == Client_Connecting ||
1159 cl->state == Client_Working))
1164 Odr_int client_get_hits(struct client *cl)
1169 int client_get_num_records(struct client *cl)
1171 return cl->record_offset;
1174 void client_set_diagnostic(struct client *cl, int diagnostic)
1176 cl->diagnostic = diagnostic;
1179 int client_get_diagnostic(struct client *cl)
1181 return cl->diagnostic;
1184 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf)
1187 struct suggestions *suggestions = cl->suggestions;
1190 yaz_log(YLOG_DEBUG, "No suggestions found");
1193 if (suggestions->passthrough) {
1194 yaz_log(YLOG_DEBUG, "Passthrough Suggestions: \n%s\n", suggestions->passthrough);
1195 return suggestions->passthrough;
1197 if (suggestions->num == 0) {
1201 for (idx = 0; idx < suggestions->num; idx++) {
1202 wrbuf_printf(wrbuf, "<suggest term=\"%s\"", suggestions->suggest[idx]);
1203 if (suggestions->misspelled[idx] && suggestions->misspelled[idx]) {
1204 wrbuf_puts(wrbuf, suggestions->misspelled[idx]);
1205 wrbuf_puts(wrbuf, "</suggest>\n");
1208 wrbuf_puts(wrbuf, "/>\n");
1211 return wrbuf_cstr(wrbuf);
1215 void client_set_database(struct client *cl, struct session_database *db)
1220 const char *client_get_id(struct client *cl)
1225 void client_set_maxrecs(struct client *cl, int v)
1230 int client_get_maxrecs(struct client *cl)
1235 void client_set_startrecs(struct client *cl, int v)
1240 void client_set_preferred(struct client *cl, int v)
1246 struct suggestions* client_suggestions_create(const char* suggestions_string)
1250 struct suggestions *suggestions;
1251 if (suggestions_string == 0)
1253 nmem = nmem_create();
1254 suggestions = nmem_malloc(nmem, sizeof(*suggestions));
1255 yaz_log(YLOG_DEBUG, "client target suggestions: %s", suggestions_string);
1257 suggestions->nmem = nmem;
1258 suggestions->num = 0;
1259 suggestions->misspelled = 0;
1260 suggestions->suggest = 0;
1261 suggestions->passthrough = nmem_strdup_null(nmem, suggestions_string);
1263 if (suggestions_string)
1264 nmem_strsplit_escape2(suggestions->nmem, "\n", suggestions_string, &suggestions->suggest,
1265 &suggestions->num, 1, '\\', 0);
1266 /* Set up misspelled array */
1267 suggestions->misspelled = (char **) nmem_malloc(nmem, suggestions->num * sizeof(**suggestions->misspelled));
1268 /* replace = with \0 .. for each item */
1269 for (i = 0; i < suggestions->num; i++)
1271 char *cp = strchr(suggestions->suggest[i], '=');
1274 suggestions->misspelled[i] = cp+1;
1280 static void client_suggestions_destroy(struct client *cl)
1282 NMEM nmem = cl->suggestions->nmem;
1283 cl->suggestions = 0;
1290 * c-file-style: "Stroustrup"
1291 * indent-tabs-mode: nil
1293 * vim: shiftwidth=4 tabstop=8 expandtab