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 enum client_state state;
118 struct show_raw *show_raw;
119 ZOOM_resultset resultset;
126 int active; // whether this request has been sent to the server
131 void (*error_handler)(void *data, const char *addinfo);
132 void (*record_handler)(void *data, const char *buf, size_t sz);
134 struct show_raw *next;
137 static const char *client_states[] = {
143 "Client_Disconnected"
146 const char *client_get_state_str(struct client *cl)
148 return client_states[cl->state];
151 enum client_state client_get_state(struct client *cl)
156 void client_set_state(struct client *cl, enum client_state st)
159 if (client_is_active(cl))
162 /* If client is going from being active to inactive and all clients
163 are now idle we fire a watch for the session . The assumption is
164 that session is not mutex locked if client is already active */
165 if (was_active && !client_is_active(cl) && cl->session)
168 int no_active = session_active_clients(cl->session);
169 yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d",
170 client_get_id(cl), no_active);
171 if (no_active == 0) {
172 session_alert_watch(cl->session, SESSION_WATCH_SHOW);
173 session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF);
178 static void client_show_raw_error(struct client *cl, const char *addinfo);
180 struct connection *client_get_connection(struct client *cl)
182 return cl->connection;
185 struct session_database *client_get_database(struct client *cl)
190 struct session *client_get_session(struct client *cl)
195 const char *client_get_pquery(struct client *cl)
200 static void client_send_raw_present(struct client *cl);
201 static int nativesyntax_to_type(struct session_database *sdb, char *type,
204 static void client_show_immediate(
205 ZOOM_resultset resultset, struct session_database *sdb, int position,
207 void (*error_handler)(void *data, const char *addinfo),
208 void (*record_handler)(void *data, const char *buf, size_t sz),
218 error_handler(data, "no resultset");
221 rec = ZOOM_resultset_record(resultset, position-1);
224 error_handler(data, "no record");
230 nativesyntax_to_type(sdb, type, rec);
231 buf = ZOOM_record_get(rec, type, &len);
234 error_handler(data, "no record");
237 record_handler(data, buf, len);
241 int client_show_raw_begin(struct client *cl, int position,
242 const char *syntax, const char *esn,
244 void (*error_handler)(void *data, const char *addinfo),
245 void (*record_handler)(void *data, const char *buf,
249 if (syntax == 0 && esn == 0)
250 client_show_immediate(cl->resultset, client_get_database(cl),
252 error_handler, record_handler,
256 struct show_raw *rr, **rrp;
262 rr = xmalloc(sizeof(*rr));
263 rr->position = position;
266 rr->error_handler = error_handler;
267 rr->record_handler = record_handler;
270 rr->syntax = xstrdup(syntax);
274 rr->esn = xstrdup(esn);
279 for (rrp = &cl->show_raw; *rrp; rrp = &(*rrp)->next)
283 if (cl->state == Client_Failed)
285 client_show_raw_error(cl, "client failed");
287 else if (cl->state == Client_Disconnected)
289 client_show_raw_error(cl, "client disconnected");
293 client_send_raw_present(cl);
299 static void client_show_raw_delete(struct show_raw *r)
306 void client_show_raw_remove(struct client *cl, void *data)
308 struct show_raw *rr = data;
309 struct show_raw **rrp = &cl->show_raw;
315 client_show_raw_delete(rr);
319 void client_show_raw_dequeue(struct client *cl)
321 struct show_raw *rr = cl->show_raw;
323 cl->show_raw = rr->next;
324 client_show_raw_delete(rr);
327 static void client_show_raw_error(struct client *cl, const char *addinfo)
331 cl->show_raw->error_handler(cl->show_raw->data, addinfo);
332 client_show_raw_dequeue(cl);
336 static void client_send_raw_present(struct client *cl)
338 struct session_database *sdb = client_get_database(cl);
339 struct connection *co = client_get_connection(cl);
340 ZOOM_resultset set = cl->resultset;
342 int offset = cl->show_raw->position;
343 const char *syntax = 0;
344 const char *elements = 0;
346 assert(cl->show_raw);
349 yaz_log(YLOG_DEBUG, "%s: trying to present %d record(s) from %d",
350 client_get_id(cl), 1, offset);
352 if (cl->show_raw->syntax)
353 syntax = cl->show_raw->syntax;
355 syntax = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
356 ZOOM_resultset_option_set(set, "preferredRecordSyntax", syntax);
358 if (cl->show_raw->esn)
359 elements = cl->show_raw->esn;
361 elements = session_setting_oneval(sdb, PZ_ELEMENTS);
362 if (elements && *elements)
363 ZOOM_resultset_option_set(set, "elementSetName", elements);
365 ZOOM_resultset_records(set, 0, offset-1, 1);
366 cl->show_raw->active = 1;
368 connection_continue(co);
371 static int nativesyntax_to_type(struct session_database *sdb, char *type,
374 const char *s = session_setting_oneval(sdb, PZ_NATIVESYNTAX);
378 if (!strncmp(s, "iso2709", 7))
380 const char *cp = strchr(s, ';');
381 yaz_snprintf(type, 80, "xml; charset=%s", cp ? cp+1 : "marc-8s");
383 else if (!strncmp(s, "xml", 3))
387 else if (!strncmp(s, "txml", 4))
389 const char *cp = strchr(s, ';');
390 yaz_snprintf(type, 80, "txml; charset=%s", cp ? cp+1 : "marc-8s");
396 else /* attempt to deduce structure */
398 const char *syntax = ZOOM_record_get(rec, "syntax", NULL);
401 if (!strcmp(syntax, "XML"))
406 else if (!strcmp(syntax, "USmarc") || !strcmp(syntax, "MARC21"))
408 strcpy(type, "xml; charset=marc8-s");
418 * TODO Consider thread safety!!!
421 void client_report_facets(struct client *cl, ZOOM_resultset rs)
423 struct session_database *sdb = client_get_database(cl);
424 ZOOM_facet_field *facets = ZOOM_resultset_facets(rs);
428 struct session *se = client_get_session(cl);
429 int facet_num = ZOOM_resultset_facets_size(rs);
432 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
434 const char *p = strchr(s->name + 3, ':');
435 if (p && p[1] && s->value && s->value[0])
438 p++; /* p now holds logical facet name */
439 for (facet_idx = 0; facet_idx < facet_num; facet_idx++)
441 const char *native_name =
442 ZOOM_facet_field_name(facets[facet_idx]);
443 if (native_name && !strcmp(s->value, native_name))
447 ZOOM_facet_field_term_count(facets[facet_idx]);
448 for (term_idx = 0; term_idx < term_num; term_idx++ )
452 ZOOM_facet_field_get_term(facets[facet_idx],
455 add_facet(se, p, term, freq);
465 static void ingest_raw_record(struct client *cl, ZOOM_record rec)
471 if (cl->show_raw->binary)
475 struct session_database *sdb = client_get_database(cl);
476 nativesyntax_to_type(sdb, type, rec);
479 buf = ZOOM_record_get(rec, type, &len);
480 cl->show_raw->record_handler(cl->show_raw->data, buf, len);
481 client_show_raw_dequeue(cl);
484 void client_check_preferred_watch(struct client *cl)
486 struct session *se = cl->session;
487 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_id(cl));
491 /* TODO possible threading issue. Session can have been destroyed */
492 if (session_is_preferred_clients_ready(se)) {
493 session_alert_watch(se, SESSION_WATCH_SHOW_PREF);
496 yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets.");
501 yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_id(cl));
505 void client_search_response(struct client *cl)
507 struct connection *co = cl->connection;
508 ZOOM_connection link = connection_get_link(co);
509 ZOOM_resultset resultset = cl->resultset;
511 const char *error, *addinfo = 0;
513 if (ZOOM_connection_error(link, &error, &addinfo))
516 client_set_state(cl, Client_Error);
517 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
518 error, addinfo, client_get_id(cl));
522 yaz_log(YLOG_DEBUG, "client_search_response: hits "
523 ODR_INT_PRINTF, cl->hits);
524 client_report_facets(cl, resultset);
525 cl->record_offset = cl->startrecs;
526 cl->hits = ZOOM_resultset_size(resultset);
530 void client_got_records(struct client *cl)
532 struct session *se = cl->session;
536 session_alert_watch(se, SESSION_WATCH_SHOW);
537 session_alert_watch(se, SESSION_WATCH_RECORD);
542 void client_record_response(struct client *cl)
544 struct connection *co = cl->connection;
545 ZOOM_connection link = connection_get_link(co);
546 ZOOM_resultset resultset = cl->resultset;
547 const char *error, *addinfo;
549 if (ZOOM_connection_error(link, &error, &addinfo))
551 client_set_state(cl, Client_Error);
552 yaz_log(YLOG_WARN, "Search error %s (%s): %s",
553 error, addinfo, client_get_id(cl));
558 const char *msg, *addinfo;
560 if (cl->show_raw && cl->show_raw->active)
562 if ((rec = ZOOM_resultset_record(resultset,
563 cl->show_raw->position-1)))
565 cl->show_raw->active = 0;
566 ingest_raw_record(cl, rec);
570 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
571 cl->show_raw->position-1);
576 int offset = cl->record_offset;
577 if ((rec = ZOOM_resultset_record(resultset, offset)))
580 if (cl->session == 0)
582 else if (ZOOM_record_error(rec, &msg, &addinfo, 0))
584 yaz_log(YLOG_WARN, "Record error %s (%s): %s (rec #%d)",
585 msg, addinfo, client_get_id(cl),
590 struct session_database *sdb = client_get_database(cl);
591 NMEM nmem = nmem_create();
595 if (nativesyntax_to_type(sdb, type, rec))
596 yaz_log(YLOG_WARN, "Failed to determine record type");
597 xmlrec = ZOOM_record_get(rec, type, NULL);
599 yaz_log(YLOG_WARN, "ZOOM_record_get failed from %s",
603 /* OK = 0, -1 = failure, -2 = Filtered */
604 if (ingest_record(cl, xmlrec, cl->record_offset, nmem) == -1)
605 yaz_log(YLOG_WARN, "Failed to ingest from %s", client_get_id(cl));
612 yaz_log(YLOG_WARN, "Expected record, but got NULL, offset=%d",
619 static void client_set_facets_request(struct client *cl, ZOOM_connection link)
621 struct session_database *sdb = client_get_database(cl);
623 WRBUF w = wrbuf_alloc();
627 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
629 const char *p = strchr(s->name + 3, ':');
632 yaz_log(YLOG_WARN, "Malformed facetmap name: %s", s->name);
634 else if (s->value && s->value[0])
636 wrbuf_puts(w, "@attr 1=");
637 yaz_encode_pqf_term(w, s->value, strlen(s->value));
642 yaz_log(YLOG_LOG, "using facets str: %s", wrbuf_cstr(w));
643 ZOOM_connection_option_set(link, "facets",
644 wrbuf_len(w) ? wrbuf_cstr(w) : 0);
648 int client_has_facet(struct client *cl, const char *name)
650 struct session_database *sdb = client_get_database(cl);
653 for (s = sdb->settings[PZ_FACETMAP]; s; s = s->next)
655 const char *p = strchr(s->name + 3, ':');
656 if (p && !strcmp(name, p + 1))
662 void client_start_search(struct client *cl, const char *sort_strategy_and_spec,
665 struct session_database *sdb = client_get_database(cl);
666 struct connection *co = client_get_connection(cl);
667 ZOOM_connection link = connection_get_link(co);
669 const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK);
670 const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING);
671 const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS);
672 const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX);
673 const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS);
674 const char *opt_sru = session_setting_oneval(sdb, PZ_SRU);
675 const char *opt_sort = session_setting_oneval(sdb, PZ_SORT);
676 const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED);
677 const char *extra_args = session_setting_oneval(sdb, PZ_EXTRA_ARGS);
678 char maxrecs_str[24], startrecs_str[24];
683 cl->record_offset = 0;
686 if (extra_args && *extra_args)
687 ZOOM_connection_option_set(link, "extraArgs", extra_args);
690 cl->preferred = atoi(opt_preferred);
692 yaz_log(YLOG_LOG, "Target %s has preferred status: %d",
693 client_get_id(cl), cl->preferred);
695 client_set_state(cl, Client_Working);
698 ZOOM_connection_option_set(link, "piggyback", opt_piggyback);
700 ZOOM_connection_option_set(link, "piggyback", "1");
702 ZOOM_connection_option_set(link, "rpnCharset", opt_queryenc);
703 if (*opt_sru && *opt_elements)
704 ZOOM_connection_option_set(link, "schema", opt_elements);
705 else if (*opt_elements)
706 ZOOM_connection_option_set(link, "elementSetName", opt_elements);
708 ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn);
710 if (opt_maxrecs && *opt_maxrecs)
712 cl->maxrecs = atoi(opt_maxrecs);
715 /* convert back to string representation used in ZOOM API */
716 sprintf(maxrecs_str, "%d", cl->maxrecs);
717 ZOOM_connection_option_set(link, "count", maxrecs_str);
719 if (cl->maxrecs > 20)
720 ZOOM_connection_option_set(link, "presentChunk", "20");
722 ZOOM_connection_option_set(link, "presentChunk", maxrecs_str);
724 sprintf(startrecs_str, "%d", cl->startrecs);
725 ZOOM_connection_option_set(link, "start", startrecs_str);
727 /* TODO Verify does it break something for CQL targets(non-SOLR) ? */
728 /* facets definition is in PQF */
729 client_set_facets_request(cl, link);
731 q = ZOOM_query_create();
734 yaz_log(YLOG_LOG, "Search %s CQL: %s", client_get_id(cl),
736 ZOOM_query_cql(q, cl->cqlquery);
738 ZOOM_query_sortby(q, opt_sort);
742 yaz_log(YLOG_LOG, "Search %s PQF: %s", client_get_id(cl), cl->pquery);
744 ZOOM_query_prefix(q, cl->pquery);
746 if (sort_strategy_and_spec &&
747 strlen(sort_strategy_and_spec) < 40 /* spec below */)
750 strcpy(spec, sort_strategy_and_spec);
751 p = strchr(spec, ':');
754 *p++ = '\0'; /* cut the string in two */
761 yaz_log(YLOG_LOG, "applying %s %s", spec, p);
762 ZOOM_query_sortby2(q, spec, p);
765 rs = ZOOM_connection_search(link, q);
766 ZOOM_query_destroy(q);
767 ZOOM_resultset_destroy(cl->resultset);
769 connection_continue(co);
772 struct client *client_create(const char *id)
774 struct client *cl = xmalloc(sizeof(*cl));
783 cl->record_offset = 0;
785 cl->state = Client_Disconnected;
789 pazpar2_mutex_create(&cl->mutex, "client");
793 cl->id = xstrdup(id);
799 void client_lock(struct client *c)
801 yaz_mutex_enter(c->mutex);
804 void client_unlock(struct client *c)
806 yaz_mutex_leave(c->mutex);
809 void client_incref(struct client *c)
811 pazpar2_incref(&c->ref_count, c->mutex);
812 yaz_log(YLOG_DEBUG, "client_incref c=%p %s cnt=%d",
813 c, client_get_id(c), c->ref_count);
816 int client_destroy(struct client *c)
820 yaz_log(YLOG_DEBUG, "client_destroy c=%p %s cnt=%d",
821 c, client_get_id(c), c->ref_count);
822 if (!pazpar2_decref(&c->ref_count, c->mutex))
829 assert(!c->connection);
833 ZOOM_resultset_destroy(c->resultset);
835 yaz_mutex_destroy(&c->mutex);
844 void client_set_connection(struct client *cl, struct connection *con)
847 ZOOM_resultset_release(cl->resultset);
850 assert(cl->connection == 0);
851 cl->connection = con;
856 cl->connection = con;
861 void client_disconnect(struct client *cl)
863 if (cl->state != Client_Idle)
864 client_set_state(cl, Client_Disconnected);
865 client_set_connection(cl, 0);
869 // Initialize CCL map for a target
870 static CCL_bibset prepare_cclmap(struct client *cl)
872 struct session_database *sdb = client_get_database(cl);
879 for (s = sdb->settings[PZ_CCLMAP]; s; s = s->next)
881 char *p = strchr(s->name + 3, ':');
884 yaz_log(YLOG_WARN, "Malformed cclmap name: %s", s->name);
889 ccl_qual_fitem(res, s->value, p);
894 // returns a xmalloced CQL query corresponding to the pquery in client
895 static char *make_cqlquery(struct client *cl)
897 cql_transform_t cqlt = cql_transform_create();
900 WRBUF wrb = wrbuf_alloc();
902 ODR odr_out = odr_createmem(ODR_ENCODE);
904 zquery = p_query_rpn(odr_out, cl->pquery);
905 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
906 if ((status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery)))
908 yaz_log(YLOG_WARN, "Failed to generate CQL query, code=%d", status);
913 r = xstrdup(wrbuf_cstr(wrb));
916 odr_destroy(odr_out);
917 cql_transform_close(cqlt);
921 // returns a xmalloced SOLR query corresponding to the pquery in client
922 // TODO Could prob. be merge with the similar make_cqlquery
923 static char *make_solrquery(struct client *cl)
925 solr_transform_t sqlt = solr_transform_create();
928 WRBUF wrb = wrbuf_alloc();
930 ODR odr_out = odr_createmem(ODR_ENCODE);
932 zquery = p_query_rpn(odr_out, cl->pquery);
934 yaz_log(YLOG_WARN, "Failed to generate RPN from PQF: %s", cl->pquery);
937 yaz_log(YLOG_LOG, "PQF: %s", cl->pquery);
938 if ((status = solr_transform_rpn2solr_wrbuf(sqlt, wrb, zquery)))
940 yaz_log(YLOG_WARN, "Failed to generate SOLR query from PQF %s, code=%d", cl->pquery, status);
945 r = xstrdup(wrbuf_cstr(wrb));
948 odr_destroy(odr_out);
949 solr_transform_close(sqlt);
953 static void apply_limit(struct session_database *sdb,
954 facet_limits_t facet_limits,
955 WRBUF w_pqf, WRBUF w_ccl)
960 NMEM nmem_tmp = nmem_create();
961 for (i = 0; (name = facet_limits_get(facet_limits, i, &value)); i++)
963 struct setting *s = 0;
965 for (s = sdb->settings[PZ_LIMITMAP]; s; s = s->next)
967 const char *p = strchr(s->name + 3, ':');
968 if (p && !strcmp(p + 1, name) && s->value)
972 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
975 if (!strncmp(s->value, "rpn:", 4))
977 const char *pqf = s->value + 4;
979 wrbuf_puts(w_pqf, "@and ");
980 wrbuf_puts(w_pqf, pqf);
981 wrbuf_puts(w_pqf, " ");
982 for (i = 0; i < num; i++)
985 wrbuf_puts(w_pqf, "@or ");
986 yaz_encode_pqf_term(w_pqf, values[i],
990 else if (!strncmp(s->value, "ccl:", 4))
992 const char *ccl = s->value + 4;
994 wrbuf_puts(w_ccl, " and (");
996 for (i = 0; i < num; i++)
999 wrbuf_puts(w_ccl, " or ");
1000 wrbuf_puts(w_ccl, ccl);
1001 wrbuf_puts(w_ccl, "=\"");
1002 wrbuf_puts(w_ccl, values[i]);
1003 wrbuf_puts(w_ccl, "\"");
1005 wrbuf_puts(w_ccl, ")");
1011 nmem_reset(nmem_tmp);
1014 yaz_log(YLOG_WARN, "Target %s: limit %s used, but no limitmap defined",
1015 (sdb->database ? sdb->database->id : "<no id>"), name);
1018 nmem_destroy(nmem_tmp);
1021 // Parse the query given the settings specific to this client
1022 int client_parse_query(struct client *cl, const char *query,
1023 facet_limits_t facet_limits)
1025 struct session *se = client_get_session(cl);
1026 struct session_database *sdb = client_get_database(cl);
1027 struct ccl_rpn_node *cn;
1029 CCL_bibset ccl_map = prepare_cclmap(cl);
1030 const char *sru = session_setting_oneval(sdb, PZ_SRU);
1031 const char *pqf_prefix = session_setting_oneval(sdb, PZ_PQF_PREFIX);
1032 const char *pqf_strftime = session_setting_oneval(sdb, PZ_PQF_STRFTIME);
1033 const char *query_syntax = session_setting_oneval(sdb, PZ_QUERY_SYNTAX);
1039 w_ccl = wrbuf_alloc();
1040 wrbuf_puts(w_ccl, query);
1042 w_pqf = wrbuf_alloc();
1045 wrbuf_puts(w_pqf, pqf_prefix);
1046 wrbuf_puts(w_pqf, " ");
1049 apply_limit(sdb, facet_limits, w_pqf, w_ccl);
1051 yaz_log(YLOG_LOG, "CCL query: %s", wrbuf_cstr(w_ccl));
1052 cn = ccl_find_str(ccl_map, wrbuf_cstr(w_ccl), &cerror, &cpos);
1053 ccl_qual_rm(&ccl_map);
1056 client_set_state(cl, Client_Error);
1057 session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s",
1060 wrbuf_destroy(w_ccl);
1061 wrbuf_destroy(w_pqf);
1064 wrbuf_destroy(w_ccl);
1066 if (!pqf_strftime || !*pqf_strftime)
1067 ccl_pquery(w_pqf, cn);
1070 time_t cur_time = time(0);
1071 struct tm *tm = localtime(&cur_time);
1073 const char *cp = tmp_str;
1075 /* see man strftime(3) for things .. In particular %% gets converted
1076 to %.. And That's our original query .. */
1077 strftime(tmp_str, sizeof(tmp_str)-1, pqf_strftime, tm);
1081 ccl_pquery(w_pqf, cn);
1083 wrbuf_putc(w_pqf, cp[0]);
1087 cl->pquery = xstrdup(wrbuf_cstr(w_pqf));
1088 wrbuf_destroy(w_pqf);
1090 yaz_log(YLOG_LOG, "PQF query: %s", cl->pquery);
1092 xfree(cl->cqlquery);
1094 /* Support for PQF on SRU targets. */
1096 yaz_log(YLOG_DEBUG, "Query syntax: %s", query_syntax);
1097 if (strcmp(query_syntax, "pqf") != 0 && *sru)
1099 if (!strcmp(sru, "solr")) {
1100 if (!(cl->cqlquery = make_solrquery(cl)))
1104 if (!(cl->cqlquery = make_cqlquery(cl)))
1111 /* TODO FIX Not thread safe */
1114 // Initialize relevance structure with query terms
1115 se->relevance = relevance_create_ccl(
1116 se->service->charsets, se->nmem, cn);
1123 void client_set_session(struct client *cl, struct session *se)
1128 int client_is_active(struct client *cl)
1130 if (cl->connection && (cl->state == Client_Connecting ||
1131 cl->state == Client_Working))
1136 int client_is_active_preferred(struct client *cl)
1138 /* only count if this is a preferred target. */
1141 /* TODO No sure this the condition that Seb wants */
1142 if (cl->connection && (cl->state == Client_Connecting ||
1143 cl->state == Client_Working))
1148 Odr_int client_get_hits(struct client *cl)
1153 int client_get_num_records(struct client *cl)
1155 return cl->record_offset;
1158 void client_set_diagnostic(struct client *cl, int diagnostic)
1160 cl->diagnostic = diagnostic;
1163 int client_get_diagnostic(struct client *cl)
1165 return cl->diagnostic;
1168 void client_set_database(struct client *cl, struct session_database *db)
1173 const char *client_get_id(struct client *cl)
1178 void client_set_maxrecs(struct client *cl, int v)
1183 int client_get_maxrecs(struct client *cl)
1188 void client_set_startrecs(struct client *cl, int v)
1193 void client_set_preferred(struct client *cl, int v)
1202 * c-file-style: "Stroustrup"
1203 * indent-tabs-mode: nil
1205 * vim: shiftwidth=4 tabstop=8 expandtab