1 /* This file is part of Pazpar2.
2 Copyright (C) 2006-2013 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
21 \brief high-level logic; mostly user sessions and settings
46 #include <yaz/marcdisp.h>
47 #include <yaz/comstack.h>
48 #include <yaz/tcpip.h>
49 #include <yaz/proto.h>
50 #include <yaz/readconf.h>
51 #include <yaz/pquery.h>
52 #include <yaz/otherinfo.h>
53 #include <yaz/yaz-util.h>
55 #include <yaz/query-charset.h>
56 #include <yaz/querytowrbuf.h>
57 #include <yaz/oid_db.h>
58 #include <yaz/snprintf.h>
62 #include <yaz/timing.h>
66 #include "parameters.h"
70 #include "termlists.h"
72 #include "relevance.h"
76 #include "normalize7bit.h"
78 #include <libxml/tree.h>
82 #define MAX(a,b) ((a)>(b)?(a):(b))
84 // Note: Some things in this structure will eventually move to configuration
85 struct parameters global_parameters =
89 0, // predictable sessions
93 struct client *client;
94 struct client_list *next;
97 /* session counting (1) , disable client counting (0) */
98 static YAZ_MUTEX g_session_mutex = 0;
99 static int no_sessions = 0;
100 static int no_session_total = 0;
102 static int session_use(int delta)
105 if (!g_session_mutex)
106 yaz_mutex_create(&g_session_mutex);
107 yaz_mutex_enter(g_session_mutex);
108 no_sessions += delta;
110 no_session_total += delta;
111 sessions = no_sessions;
112 yaz_mutex_leave(g_session_mutex);
113 yaz_log(YLOG_DEBUG, "%s sessions=%d", delta == 0 ? "" : (delta > 0 ? "INC" : "DEC"), no_sessions);
117 int sessions_count(void)
119 return session_use(0);
122 int session_count_total(void)
125 if (!g_session_mutex)
127 yaz_mutex_enter(g_session_mutex);
128 total = no_session_total;
129 yaz_mutex_leave(g_session_mutex);
133 static void log_xml_doc(xmlDoc *doc)
135 FILE *lf = yaz_log_file();
138 #if LIBXML_VERSION >= 20600
139 xmlDocDumpFormatMemory(doc, &result, &len, 1);
141 xmlDocDumpMemory(doc, &result, &len);
145 (void) fwrite(result, 1, len, lf);
151 void session_enter_ro(struct session *s, const char *caller)
155 session_log(s, YLOG_LOG, "Session read lock by %s", caller);
156 pazpar2_lock_rdwr_rlock(&s->lock);
159 void session_enter_rw(struct session *s, const char *caller)
163 session_log(s, YLOG_LOG, "Session write lock by %s", caller);
164 pazpar2_lock_rdwr_wlock(&s->lock);
167 void session_upgrade(struct session *s, const char *caller)
171 session_log(s, YLOG_LOG, "Session upgrade lock by %s", caller);
172 pazpar2_lock_rdwr_upgrade(&s->lock);
175 void session_leave_ro(struct session *s, const char *caller)
179 session_log(s, YLOG_LOG, "Session read unlock by %s", caller);
180 pazpar2_lock_rdwr_runlock(&s->lock);
183 void session_leave_rw(struct session *s, const char *caller)
187 session_log(s, YLOG_LOG, "Session write unlock by %s", caller);
188 pazpar2_lock_rdwr_wunlock(&s->lock);
191 void session_downgrade(struct session *s, const char *caller)
195 session_log(s, YLOG_LOG, "Session write unlock by %s", caller);
196 pazpar2_lock_rdwr_downgrade(&s->lock);
199 static void session_normalize_facet(struct session *s, const char *type,
204 struct conf_service *service = s->service;
205 pp2_charset_token_t prt;
206 const char *facet_component;
208 const char *icu_chain_id = 0;
210 for (i = 0; i < service->num_metadata; i++)
211 if (!strcmp((service->metadata + i)->name, type))
212 icu_chain_id = (service->metadata + i)->facetrule;
214 icu_chain_id = "facet";
215 prt = pp2_charset_token_create(service->charsets, icu_chain_id);
218 yaz_log(YLOG_FATAL, "Unknown ICU chain '%s' for facet of type '%s'",
220 wrbuf_destroy(facet_wrbuf);
221 wrbuf_destroy(display_wrbuf);
224 pp2_charset_token_first(prt, value, 0);
225 while ((facet_component = pp2_charset_token_next(prt)))
227 const char *display_component;
228 if (*facet_component)
230 if (wrbuf_len(facet_wrbuf))
231 wrbuf_puts(facet_wrbuf, " ");
232 wrbuf_puts(facet_wrbuf, facet_component);
234 display_component = pp2_get_display(prt);
235 if (display_component)
237 if (wrbuf_len(display_wrbuf))
238 wrbuf_puts(display_wrbuf, " ");
239 wrbuf_puts(display_wrbuf, display_component);
242 pp2_charset_token_destroy(prt);
245 void add_facet(struct session *s, const char *type, const char *value, int count)
247 WRBUF facet_wrbuf = wrbuf_alloc();
248 WRBUF display_wrbuf = wrbuf_alloc();
250 session_normalize_facet(s, type, value, display_wrbuf, facet_wrbuf);
252 if (wrbuf_len(facet_wrbuf))
255 for (i = 0; i < s->num_termlists; i++)
256 if (!strcmp(s->termlists[i].name, type))
258 if (i == s->num_termlists)
260 if (i == SESSION_MAX_TERMLISTS)
262 session_log(s, YLOG_FATAL, "Too many termlists");
263 wrbuf_destroy(facet_wrbuf);
264 wrbuf_destroy(display_wrbuf);
268 s->termlists[i].name = nmem_strdup(s->nmem, type);
269 s->termlists[i].termlist = termlist_create(s->nmem);
270 s->num_termlists = i + 1;
274 session_log(s, YLOG_LOG, "Facets for %s: %s norm:%s (%d)", type, value, wrbuf_cstr(facet_wrbuf), count);
276 termlist_insert(s->termlists[i].termlist, wrbuf_cstr(display_wrbuf),
277 wrbuf_cstr(facet_wrbuf), count);
279 wrbuf_destroy(facet_wrbuf);
280 wrbuf_destroy(display_wrbuf);
283 static xmlDoc *record_to_xml(struct session *se,
284 struct session_database *sdb, const char *rec)
286 struct database *db = sdb->database;
289 rdoc = xmlParseMemory(rec, strlen(rec));
293 session_log(se, YLOG_WARN, "Non-wellformed XML");
297 if (global_parameters.dump_records)
299 session_log(se, YLOG_LOG, "Un-normalized record from %s", db->id);
306 #define MAX_XSLT_ARGS 16
308 // Add static values from session database settings if applicable
309 static void insert_settings_parameters(struct session_database *sdb,
310 struct conf_service *service,
318 for (i = 0; i < service->num_metadata; i++)
320 struct conf_metadata *md = &service->metadata[i];
323 if (md->setting == Metadata_setting_parameter &&
324 (setting = settings_lookup_offset(service, md->name)) >= 0)
326 const char *val = session_setting_oneval(sdb, setting);
327 if (val && nparms < MAX_XSLT_ARGS)
330 int len = strlen(val);
331 buf = nmem_malloc(nmem, len + 3);
333 strcpy(buf + 1, val);
336 parms[offset++] = md->name;
337 parms[offset++] = buf;
345 // Add static values from session database settings if applicable
346 static void insert_settings_values(struct session_database *sdb, xmlDoc *doc,
347 struct conf_service *service)
351 for (i = 0; i < service->num_metadata; i++)
353 struct conf_metadata *md = &service->metadata[i];
356 if (md->setting == Metadata_setting_postproc &&
357 (offset = settings_lookup_offset(service, md->name)) >= 0)
359 const char *val = session_setting_oneval(sdb, offset);
362 xmlNode *r = xmlDocGetRootElement(doc);
363 xmlNode *n = xmlNewTextChild(r, 0, (xmlChar *) "metadata",
365 xmlSetProp(n, (xmlChar *) "type", (xmlChar *) md->name);
371 static xmlDoc *normalize_record(struct session *se,
372 struct session_database *sdb,
373 struct conf_service *service,
374 const char *rec, NMEM nmem)
376 xmlDoc *rdoc = record_to_xml(se, sdb, rec);
380 char *parms[MAX_XSLT_ARGS*2+1];
382 insert_settings_parameters(sdb, service, parms, nmem);
384 if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
386 session_log(se, YLOG_WARN, "Normalize failed");
390 insert_settings_values(sdb, rdoc, service);
392 if (global_parameters.dump_records)
394 session_log(se, YLOG_LOG, "Normalized record from %s",
403 void session_settings_dump(struct session *se,
404 struct session_database *db,
409 int i, num = db->num_settings;
410 for (i = 0; i < num; i++)
412 struct setting *s = db->settings[i];
413 for (;s ; s = s->next)
415 wrbuf_puts(w, "<set name=\"");
416 wrbuf_xmlputs(w, s->name);
417 wrbuf_puts(w, "\" value=\"");
418 wrbuf_xmlputs(w, s->value);
419 wrbuf_puts(w, "\"/>");
427 // Retrieve first defined value for 'name' for given database.
428 // Will be extended to take into account user associated with session
429 const char *session_setting_oneval(struct session_database *db, int offset)
431 if (offset >= db->num_settings || !db->settings[offset])
433 return db->settings[offset]->value;
436 // Prepare XSLT stylesheets for record normalization
437 // Structures are allocated on the session_wide nmem to avoid having
438 // to recompute this for every search. This would lead
439 // to leaking if a single session was to repeatedly change the PZ_XSLT
440 // setting. However, this is not a realistic use scenario.
441 static int prepare_map(struct session *se, struct session_database *sdb)
443 if (sdb->settings && !sdb->map)
447 if (sdb->settings[PZ_XSLT] &&
448 (s = session_setting_oneval(sdb, PZ_XSLT)))
450 char auto_stylesheet[256];
452 if (!strcmp(s, "auto"))
454 const char *request_syntax = session_setting_oneval(
455 sdb, PZ_REQUESTSYNTAX);
459 yaz_snprintf(auto_stylesheet, sizeof(auto_stylesheet),
460 "%s.xsl", request_syntax);
461 for (cp = auto_stylesheet; *cp; cp++)
463 /* deliberately only consider ASCII */
464 if (*cp > 32 && *cp < 127)
471 session_log(se, YLOG_WARN,
472 "No pz:requestsyntax for auto stylesheet");
475 sdb->map = normalize_cache_get(se->normalize_cache,
484 // called if watch should be removed because http_channel is to be destroyed
485 static void session_watch_cancel(void *data, struct http_channel *c,
488 struct session_watchentry *ent = data;
495 // set watch. Returns 0=OK, -1 if watch is already set
496 int session_set_watch(struct session *s, int what,
497 session_watchfun fun, void *data,
498 struct http_channel *chan)
501 if (s->watchlist[what].fun)
506 s->watchlist[what].fun = fun;
507 s->watchlist[what].data = data;
508 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
509 session_watch_cancel);
515 void session_alert_watch(struct session *s, int what)
518 if (s->watchlist[what].fun)
520 /* our watch is no longer associated with http_channel */
522 session_watchfun fun;
524 http_remove_observer(s->watchlist[what].obs);
525 fun = s->watchlist[what].fun;
526 data = s->watchlist[what].data;
528 /* reset watch before fun is invoked - in case fun wants to set
530 s->watchlist[what].fun = 0;
531 s->watchlist[what].data = 0;
532 s->watchlist[what].obs = 0;
534 session_log(s, YLOG_DEBUG,
535 "Alert Watch: %d calling function: %p", what, fun);
540 //callback for grep_databases
541 static void select_targets_callback(struct session *se,
542 struct session_database *db)
545 struct client_list *l;
547 for (l = se->clients_cached; l; l = l->next)
548 if (client_get_database(l->client) == db)
555 cl = client_create(db->database->id);
556 client_set_database(cl, db);
558 l = xmalloc(sizeof(*l));
560 l->next = se->clients_cached;
561 se->clients_cached = l;
563 /* set session always. If may be 0 if client is not active */
564 client_set_session(cl, se);
566 l = xmalloc(sizeof(*l));
568 l->next = se->clients_active;
569 se->clients_active = l;
572 static void session_reset_active_clients(struct session *se,
573 struct client_list *new_list)
575 struct client_list *l;
577 l = se->clients_active;
578 se->clients_active = new_list;
582 struct client_list *l_next = l->next;
584 client_set_session(l->client, 0); /* mark client inactive */
591 static void session_remove_cached_clients(struct session *se)
593 struct client_list *l;
595 session_reset_active_clients(se, 0);
597 l = se->clients_cached;
598 se->clients_cached = 0;
602 struct client_list *l_next = l->next;
603 client_set_session(l->client, 0);
604 client_set_database(l->client, 0);
605 client_destroy(l->client);
611 // Associates a set of clients with a session;
612 // Note: Session-databases represent databases with per-session
614 static int select_targets(struct session *se, const char *filter)
616 return session_grep_databases(se, filter, select_targets_callback);
619 int session_active_clients(struct session *s)
621 struct client_list *l;
624 for (l = s->clients_active; l; l = l->next)
625 if (client_is_active(l->client))
631 int session_is_preferred_clients_ready(struct session *s)
633 struct client_list *l;
636 for (l = s->clients_active; l; l = l->next)
637 if (client_is_active_preferred(l->client))
639 session_log(s, YLOG_DEBUG, "Has %d active preferred clients.", res);
643 static void session_clear_set(struct session *se, struct reclist_sortparms *sp)
645 reclist_destroy(se->reclist);
647 if (nmem_total(se->nmem))
648 session_log(se, YLOG_DEBUG, "NMEN operation usage %zd",
649 nmem_total(se->nmem));
650 nmem_reset(se->nmem);
651 se->total_records = se->total_merged = 0;
652 se->num_termlists = 0;
654 /* reset list of sorted results and clear to relevance search */
655 se->sorted_results = nmem_malloc(se->nmem, sizeof(*se->sorted_results));
656 se->sorted_results->name = nmem_strdup(se->nmem, sp->name);
657 se->sorted_results->increasing = sp->increasing;
658 se->sorted_results->type = sp->type;
659 se->sorted_results->next = 0;
661 session_log(se, YLOG_DEBUG, "clear_set session_sort: field=%s increasing=%d type=%d configured",
662 sp->name, sp->increasing, sp->type);
664 se->reclist = reclist_create(se->nmem);
667 static void session_sort_unlocked(struct session *se,
668 struct reclist_sortparms *sp)
670 struct reclist_sortparms *sr;
671 struct client_list *l;
672 const char *field = sp->name;
673 int increasing = sp->increasing;
675 int clients_research = 0;
677 yaz_log(YLOG_DEBUG, "session_sort field=%s increasing=%d type=%d", field, increasing, type);
678 /* see if we already have sorted for this criteria */
679 for (sr = se->sorted_results; sr; sr = sr->next)
681 if (!reclist_sortparms_cmp(sr,sp))
686 session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d already fetched",
687 field, increasing, type);
690 session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d must fetch",
691 field, increasing, type);
693 // We need to reset reclist on every sort that changes the records, not just for position
694 // So if just one client requires new searching, we need to clear set.
695 // Ask each of the client if sorting requires re-search due to native sort
696 // If it does it will require us to
697 for (l = se->clients_active; l; l = l->next)
699 struct client *cl = l->client;
700 // Assume no re-search is required.
701 client_parse_init(cl, 1);
702 clients_research += client_parse_sort(cl, sp);
704 if (clients_research) {
705 yaz_log(YLOG_DEBUG, "Reset results due to %d clients researching", clients_research);
706 session_clear_set(se, sp);
709 // A new sorting based on same record set
710 sr = nmem_malloc(se->nmem, sizeof(*sr));
711 sr->name = nmem_strdup(se->nmem, field);
712 sr->increasing = increasing;
714 sr->next = se->sorted_results;
715 se->sorted_results = sr;
716 session_log(se, YLOG_DEBUG, "No research/ingesting done");
719 session_log(se, YLOG_DEBUG, "Re- search/ingesting for clients due to change in sort order");
721 for (l = se->clients_active; l; l = l->next)
723 struct client *cl = l->client;
724 if (client_get_state(cl) == Client_Connecting ||
725 client_get_state(cl) == Client_Idle ||
726 client_get_state(cl) == Client_Working) {
727 client_start_search(cl);
730 yaz_log(YLOG_DEBUG, "Client %s: No re-start/ingest in show. Wrong client state: %d",
731 client_get_id(cl), client_get_state(cl));
737 void session_sort(struct session *se, struct reclist_sortparms *sp)
739 session_enter_rw(se, "session_sort");
740 session_sort_unlocked(se, sp);
741 session_leave_rw(se, "session_sort");
745 enum pazpar2_error_code session_search_unlocked(struct session *se,
747 const char *startrecs,
751 const char **addinfo,
752 struct reclist_sortparms *sp)
754 int live_channels = 0;
756 int no_failed_query = 0;
757 int no_failed_limit = 0;
758 struct client_list *l, *l0;
760 session_log(se, YLOG_DEBUG, "Search");
764 if (se->settings_modified)
765 session_remove_cached_clients(se);
767 session_reset_active_clients(se, 0);
769 se->settings_modified = 0;
771 session_clear_set(se, sp);
772 relevance_destroy(&se->relevance);
774 live_channels = select_targets(se, filter);
776 return PAZPAR2_NO_TARGETS;
778 facet_limits_destroy(se->facet_limits);
779 se->facet_limits = facet_limits_create(limit);
780 if (!se->facet_limits)
783 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
786 l0 = se->clients_active;
787 se->clients_active = 0;
789 for (l = l0; l; l = l->next)
792 struct client *cl = l->client;
793 client_parse_init(cl, 1);
794 if (prepare_map(se, client_get_database(cl)) < 0)
797 parse_ret = client_parse_query(cl, query, se->facet_limits);
800 else if (parse_ret == -2)
802 else if (parse_ret < 0)
803 no_working++; /* other error, such as bad CCL map */
806 client_parse_range(cl, startrecs, maxrecs);
807 client_parse_sort(cl, sp);
808 client_start_search(cl);
812 session_reset_active_clients(se, l0);
816 if (no_failed_query > 0)
819 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
821 else if (no_failed_limit > 0)
824 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
827 return PAZPAR2_NO_TARGETS;
829 return PAZPAR2_NO_ERROR;
832 enum pazpar2_error_code session_search(struct session *se,
834 const char *startrecs,
838 const char **addinfo,
839 struct reclist_sortparms *sp)
841 enum pazpar2_error_code c;
842 session_enter_rw(se, "session_search");
843 c = session_search_unlocked(se, query, startrecs, maxrecs, filter,
845 session_leave_rw(se, "session_search");
849 // Creates a new session_database object for a database
850 static void session_init_databases_fun(void *context, struct database *db)
852 struct session *se = (struct session *) context;
853 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
859 assert(db->settings);
860 new->settings = nmem_malloc(se->session_nmem,
861 sizeof(struct settings *) * db->num_settings);
862 new->num_settings = db->num_settings;
863 for (i = 0; i < db->num_settings; i++)
865 struct setting *setting = db->settings[i];
866 new->settings[i] = setting;
868 new->next = se->databases;
872 // Doesn't free memory associated with sdb -- nmem takes care of that
873 static void session_database_destroy(struct session_database *sdb)
878 // Initialize session_database list -- this represents this session's view
879 // of the database list -- subject to modification by the settings ws command
880 void session_init_databases(struct session *se)
883 predef_grep_databases(se, se->service, session_init_databases_fun);
886 // Probably session_init_databases_fun should be refactored instead of
888 static struct session_database *load_session_database(struct session *se,
891 struct database *db = new_database_inherit_settings(id, se->session_nmem, se->service->settings);
892 session_init_databases_fun((void*) se, db);
894 // New sdb is head of se->databases list
895 return se->databases;
898 // Find an existing session database. If not found, load it
899 static struct session_database *find_session_database(struct session *se,
902 struct session_database *sdb;
904 for (sdb = se->databases; sdb; sdb = sdb->next)
905 if (!strcmp(sdb->database->id, id))
907 return load_session_database(se, id);
910 // Apply a session override to a database
911 void session_apply_setting(struct session *se, char *dbname, char *setting,
914 struct session_database *sdb = find_session_database(se, dbname);
915 struct conf_service *service = se->service;
916 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
917 int offset = settings_create_offset(service, setting);
919 expand_settings_array(&sdb->settings, &sdb->num_settings, offset,
922 new->target = dbname;
925 new->next = sdb->settings[offset];
926 sdb->settings[offset] = new;
928 se->settings_modified = 1;
930 // Force later recompute of settings-driven data structures
931 // (happens when a search starts and client connections are prepared)
943 void session_destroy(struct session *se)
945 struct session_database *sdb;
947 session_enter_rw(se, "session_destroy");
948 session_log(se, YLOG_DEBUG, "Destroying");
950 session_remove_cached_clients(se);
952 for (sdb = se->databases; sdb; sdb = sdb->next)
953 session_database_destroy(sdb);
954 normalize_cache_destroy(se->normalize_cache);
955 relevance_destroy(&se->relevance);
956 reclist_destroy(se->reclist);
957 if (nmem_total(se->nmem))
958 session_log(se, YLOG_DEBUG, "NMEN operation usage %zd", nmem_total(se->nmem));
959 if (nmem_total(se->session_nmem))
960 session_log(se, YLOG_DEBUG, "NMEN session usage %zd", nmem_total(se->session_nmem));
961 facet_limits_destroy(se->facet_limits);
962 nmem_destroy(se->nmem);
963 service_destroy(se->service);
965 session_leave_rw(se, "session_destroy");
966 pazpar2_lock_rdwr_destroy(&se->lock);
969 size_t session_get_memory_status(struct session *session) {
973 session_enter_ro(session, "session_get_memory_status");
974 session_nmem = nmem_total(session->nmem);
975 session_leave_ro(session, "session_get_memory_status");
980 struct session *session_create(NMEM nmem, struct conf_service *service,
984 struct session *session = nmem_malloc(nmem, sizeof(*session));
988 sprintf(tmp_str, "session#%u", session_id);
990 session->session_id = session_id;
991 session_log(session, YLOG_LOG, "new");
992 session->service = service;
993 session->relevance = 0;
994 session->total_records = 0;
995 session->number_of_warnings_unknown_elements = 0;
996 session->number_of_warnings_unknown_metadata = 0;
997 session->num_termlists = 0;
998 session->reclist = 0;
999 session->clients_active = 0;
1000 session->clients_cached = 0;
1001 session->settings_modified = 0;
1002 session->session_nmem = nmem;
1003 session->nmem = nmem_create();
1004 session->databases = 0;
1005 session->sorted_results = 0;
1006 session->facet_limits = 0;
1008 for (i = 0; i <= SESSION_WATCH_MAX; i++)
1010 session->watchlist[i].data = 0;
1011 session->watchlist[i].fun = 0;
1013 session->normalize_cache = normalize_cache_create();
1015 pazpar2_lock_rdwr_init(&session->lock);
1021 const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf);
1023 static struct hitsbytarget *hitsbytarget_nb(struct session *se,
1024 int *count, NMEM nmem)
1026 struct hitsbytarget *res = 0;
1027 struct client_list *l;
1030 for (l = se->clients_active; l; l = l->next)
1033 res = nmem_malloc(nmem, sizeof(*res) * sz);
1035 for (l = se->clients_active; l; l = l->next)
1037 struct client *cl = l->client;
1038 WRBUF w = wrbuf_alloc();
1039 const char *name = session_setting_oneval(client_get_database(cl),
1042 res[*count].id = client_get_id(cl);
1043 res[*count].name = *name ? name : "Unknown";
1044 res[*count].hits = client_get_hits(cl);
1045 res[*count].approximation = client_get_approximation(cl);
1046 res[*count].records = client_get_num_records(cl);
1047 res[*count].filtered = client_get_num_records_filtered(cl);
1048 res[*count].diagnostic =
1049 client_get_diagnostic(cl, &res[*count].message,
1050 &res[*count].addinfo);
1051 res[*count].state = client_get_state_str(cl);
1052 res[*count].connected = client_get_connection(cl) ? 1 : 0;
1053 session_settings_dump(se, client_get_database(cl), w);
1054 res[*count].settings_xml = nmem_strdup(nmem, wrbuf_cstr(w));
1057 res[*count].suggestions_xml = nmem_strdup(nmem, client_get_suggestions_xml(cl, w));
1064 struct hitsbytarget *get_hitsbytarget(struct session *se, int *count, NMEM nmem)
1066 struct hitsbytarget *p;
1067 p = hitsbytarget_nb(se, count, nmem);
1071 // Compares two hitsbytarget nodes by hitcount
1072 static int cmp_ht(const void *p1, const void *p2)
1074 const struct hitsbytarget *h1 = p1;
1075 const struct hitsbytarget *h2 = p2;
1076 return h2->hits - h1->hits;
1079 // Compares two hitsbytarget nodes by hitcount
1080 static int cmp_ht_approx(const void *p1, const void *p2)
1082 const struct hitsbytarget *h1 = p1;
1083 const struct hitsbytarget *h2 = p2;
1084 return h2->approximation - h1->approximation;
1087 static int targets_termlist_nb(WRBUF wrbuf, struct session *se, int num,
1088 NMEM nmem, int version)
1090 struct hitsbytarget *ht;
1093 ht = hitsbytarget_nb(se, &count, nmem);
1095 qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht_approx);
1097 qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
1098 for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
1101 // do only print terms which have display names
1103 wrbuf_puts(wrbuf, "<term>\n");
1105 wrbuf_puts(wrbuf, "<id>");
1106 wrbuf_xmlputs(wrbuf, ht[i].id);
1107 wrbuf_puts(wrbuf, "</id>\n");
1109 wrbuf_puts(wrbuf, "<name>");
1110 if (!ht[i].name || !ht[i].name[0])
1111 wrbuf_xmlputs(wrbuf, "NO TARGET NAME");
1113 wrbuf_xmlputs(wrbuf, ht[i].name);
1114 wrbuf_puts(wrbuf, "</name>\n");
1116 wrbuf_printf(wrbuf, "<frequency>" ODR_INT_PRINTF "</frequency>\n",
1120 // Should not print if we know it isn't a approximation.
1121 wrbuf_printf(wrbuf, "<approximation>" ODR_INT_PRINTF "</approximation>\n", ht[i].approximation);
1122 wrbuf_printf(wrbuf, "<records>%d</records>\n", ht[i].records - ht[i].filtered);
1123 wrbuf_printf(wrbuf, "<filtered>%d</filtered>\n", ht[i].filtered);
1126 wrbuf_puts(wrbuf, "<state>");
1127 wrbuf_xmlputs(wrbuf, ht[i].state);
1128 wrbuf_puts(wrbuf, "</state>\n");
1130 wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n",
1132 wrbuf_puts(wrbuf, "</term>\n");
1137 void perform_termlist(struct http_channel *c, struct session *se,
1138 const char *name, int num, int version)
1141 NMEM nmem_tmp = nmem_create();
1148 nmem_strsplit(nmem_tmp, ",", name, &names, &num_names);
1150 session_enter_ro(se, "perform_termlist");
1152 for (j = 0; j < num_names; j++)
1155 int must_generate_empty = 1; /* bug 5350 */
1157 for (i = 0; i < se->num_termlists; i++)
1159 tname = se->termlists[i].name;
1160 if (!strcmp(names[j], tname) || !strcmp(names[j], "*"))
1162 struct termlist_score **p = 0;
1165 wrbuf_puts(c->wrbuf, "<list name=\"");
1166 wrbuf_xmlputs(c->wrbuf, tname);
1167 wrbuf_puts(c->wrbuf, "\">\n");
1168 must_generate_empty = 0;
1170 p = termlist_highscore(se->termlists[i].termlist, &len,
1175 for (i = 0; i < len && i < num; i++)
1177 // prevent sending empty term elements
1178 if (!p[i]->display_term || !p[i]->display_term[0])
1181 wrbuf_puts(c->wrbuf, "<term>");
1182 wrbuf_puts(c->wrbuf, "<name>");
1183 wrbuf_xmlputs(c->wrbuf, p[i]->display_term);
1184 wrbuf_puts(c->wrbuf, "</name>");
1186 wrbuf_printf(c->wrbuf,
1187 "<frequency>%d</frequency>",
1189 wrbuf_puts(c->wrbuf, "</term>\n");
1192 wrbuf_puts(c->wrbuf, "</list>\n");
1196 if (!strcmp(names[j], tname) || !strcmp(names[j], "*"))
1198 wrbuf_puts(c->wrbuf, "<list name=\"");
1199 wrbuf_xmlputs(c->wrbuf, tname);
1200 wrbuf_puts(c->wrbuf, "\">\n");
1202 targets_termlist_nb(c->wrbuf, se, num, c->nmem, version);
1203 wrbuf_puts(c->wrbuf, "</list>\n");
1204 must_generate_empty = 0;
1206 if (must_generate_empty)
1208 wrbuf_puts(c->wrbuf, "<list name=\"");
1209 wrbuf_xmlputs(c->wrbuf, names[j]);
1210 wrbuf_puts(c->wrbuf, "\"/>\n");
1213 session_leave_ro(se, "perform_termlist");
1214 nmem_destroy(nmem_tmp);
1217 #ifdef MISSING_HEADERS
1218 void report_nmem_stats(void)
1220 size_t in_use, is_free;
1222 nmem_get_memory_in_use(&in_use);
1223 nmem_get_memory_free(&is_free);
1225 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
1226 (long) in_use, (long) is_free);
1230 struct record_cluster *show_single_start(struct session *se, const char *id,
1231 struct record_cluster **prev_r,
1232 struct record_cluster **next_r)
1234 struct record_cluster *r = 0;
1236 session_enter_ro(se, "show_single_start");
1241 reclist_limit(se->reclist, se);
1243 reclist_enter(se->reclist);
1244 while ((r = reclist_read_record(se->reclist)))
1246 if (!strcmp(r->recid, id))
1248 *next_r = reclist_read_record(se->reclist);
1253 reclist_leave(se->reclist);
1256 session_leave_ro(se, "show_single_start");
1260 void show_single_stop(struct session *se, struct record_cluster *rec)
1262 session_leave_ro(se, "show_single_stop");
1266 struct record_cluster **show_range_start(struct session *se,
1267 struct reclist_sortparms *sp,
1268 int start, int *num, int *total,
1269 Odr_int *sumhits, Odr_int *approx_hits)
1271 struct record_cluster **recs = 0;
1272 struct reclist_sortparms *spp;
1273 struct client_list *l;
1276 yaz_timing_t t = yaz_timing_create();
1281 reclist_limit(se->reclist, se);
1284 for (spp = sp; spp; spp = spp->next)
1285 if (spp->type == Metadata_sortkey_relevance)
1287 relevance_prepare_read(se->relevance, se->reclist);
1290 for (l = se->clients_active; l; l = l->next) {
1291 *sumhits += client_get_hits(l->client);
1292 *approx_hits += client_get_approximation(l->client);
1295 reclist_sort(se->reclist, sp);
1297 reclist_enter(se->reclist);
1298 *total = reclist_get_num_records(se->reclist);
1300 for (i = 0; i < start; i++)
1301 if (!reclist_read_record(se->reclist))
1309 nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
1310 for (i = 0; i < *num; i++)
1312 struct record_cluster *r = reclist_read_record(se->reclist);
1320 reclist_leave(se->reclist);
1323 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
1324 yaz_timing_get_real(t), yaz_timing_get_user(t),
1325 yaz_timing_get_sys(t));
1326 yaz_timing_destroy(&t);
1331 void show_range_stop(struct session *se, struct record_cluster **recs)
1335 void statistics(struct session *se, struct statistics *stat)
1337 struct client_list *l;
1340 memset(stat, 0, sizeof(*stat));
1342 for (l = se->clients_active; l; l = l->next)
1344 struct client *cl = l->client;
1345 if (!client_get_connection(cl))
1346 stat->num_no_connection++;
1347 stat->num_hits += client_get_hits(cl);
1348 switch (client_get_state(cl))
1350 case Client_Connecting: stat->num_connecting++; break;
1351 case Client_Working: stat->num_working++; break;
1352 case Client_Idle: stat->num_idle++; break;
1353 case Client_Failed: stat->num_failed++; break;
1354 case Client_Error: stat->num_error++; break;
1359 stat->num_records = se->total_records;
1361 stat->num_clients = count;
1364 static struct record_metadata *record_metadata_init(
1365 NMEM nmem, const char *value, enum conf_metadata_type type,
1366 struct _xmlAttr *attr)
1368 struct record_metadata *rec_md = record_metadata_create(nmem);
1369 struct record_metadata_attr **attrp = &rec_md->attributes;
1371 for (; attr; attr = attr->next)
1373 if (attr->children && attr->children->content)
1375 if (strcmp((const char *) attr->name, "type"))
1376 { /* skip the "type" attribute.. Its value is already part of
1377 the element in output (md-%s) and so repeating it here
1379 *attrp = nmem_malloc(nmem, sizeof(**attrp));
1381 nmem_strdup(nmem, (const char *) attr->name);
1383 nmem_strdup(nmem, (const char *) attr->children->content);
1384 attrp = &(*attrp)->next;
1390 if (type == Metadata_type_generic)
1392 char *p = nmem_strdup(nmem, value);
1394 p = normalize7bit_generic(p, " ,/.:([");
1396 rec_md->data.text.disp = p;
1397 rec_md->data.text.sort = 0;
1399 else if (type == Metadata_type_year || type == Metadata_type_date)
1404 if (type == Metadata_type_date)
1406 if (extract7bit_dates((char *) value, &first, &last, longdate) < 0)
1409 rec_md->data.number.min = first;
1410 rec_md->data.number.max = last;
1417 static int get_mergekey_from_doc(xmlDoc *doc, xmlNode *root, const char *name,
1418 struct conf_service *service, WRBUF norm_wr)
1422 for (n = root->children; n; n = n->next)
1424 if (n->type != XML_ELEMENT_NODE)
1426 if (!strcmp((const char *) n->name, "metadata"))
1428 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
1430 yaz_log(YLOG_FATAL, "Missing type attribute on metadata element. Skipping!");
1432 else if (!strcmp(name, (const char *) type))
1434 xmlChar *value = xmlNodeListGetString(doc, n->children, 1);
1437 const char *norm_str;
1438 pp2_charset_token_t prt =
1439 pp2_charset_token_create(service->charsets, "mergekey");
1441 pp2_charset_token_first(prt, (const char *) value, 0);
1442 if (wrbuf_len(norm_wr) > 0)
1443 wrbuf_puts(norm_wr, " ");
1444 wrbuf_puts(norm_wr, name);
1446 pp2_charset_token_next(prt)))
1450 wrbuf_puts(norm_wr, " ");
1451 wrbuf_puts(norm_wr, norm_str);
1455 pp2_charset_token_destroy(prt);
1465 static const char *get_mergekey(xmlDoc *doc, struct client *cl, int record_no,
1466 struct conf_service *service, NMEM nmem)
1468 char *mergekey_norm = 0;
1469 xmlNode *root = xmlDocGetRootElement(doc);
1470 WRBUF norm_wr = wrbuf_alloc();
1472 /* consider mergekey from XSL first */
1473 xmlChar *mergekey = xmlGetProp(root, (xmlChar *) "mergekey");
1476 const char *norm_str;
1477 pp2_charset_token_t prt =
1478 pp2_charset_token_create(service->charsets, "mergekey");
1480 pp2_charset_token_first(prt, (const char *) mergekey, 0);
1481 while ((norm_str = pp2_charset_token_next(prt)))
1485 if (wrbuf_len(norm_wr))
1486 wrbuf_puts(norm_wr, " ");
1487 wrbuf_puts(norm_wr, norm_str);
1490 pp2_charset_token_destroy(prt);
1495 /* no mergekey defined in XSL. Look for mergekey metadata instead */
1497 for (field_id = 0; field_id < service->num_metadata; field_id++)
1499 struct conf_metadata *ser_md = &service->metadata[field_id];
1500 if (ser_md->mergekey != Metadata_mergekey_no)
1502 int r = get_mergekey_from_doc(doc, root, ser_md->name,
1504 if (r == 0 && ser_md->mergekey == Metadata_mergekey_required)
1506 /* no mergekey on this one and it is required..
1507 Generate unique key instead */
1508 wrbuf_rewind(norm_wr);
1515 /* generate unique key if none is not generated already or is empty */
1516 if (wrbuf_len(norm_wr) == 0)
1518 wrbuf_printf(norm_wr, "position: %s-%d",
1519 client_get_id(cl), record_no);
1523 const char *lead = "content: ";
1524 wrbuf_insert(norm_wr, 0, lead, strlen(lead));
1526 if (wrbuf_len(norm_wr) > 0)
1527 mergekey_norm = nmem_strdup(nmem, wrbuf_cstr(norm_wr));
1528 wrbuf_destroy(norm_wr);
1529 return mergekey_norm;
1532 /** \brief see if metadata for pz:recordfilter exists
1533 \param root xml root element of normalized record
1534 \param sdb session database for client
1535 \retval 0 if there is no metadata for pz:recordfilter
1536 \retval 1 if there is metadata for pz:recordfilter
1538 If there is no pz:recordfilter defined, this function returns 1
1542 static int check_record_filter(xmlNode *root, struct session_database *sdb)
1547 s = session_setting_oneval(sdb, PZ_RECORDFILTER);
1552 for (n = root->children; n; n = n->next)
1554 if (n->type != XML_ELEMENT_NODE)
1556 if (!strcmp((const char *) n->name, "metadata"))
1558 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
1565 if ((eq = strchr(s, '=')))
1567 else if ((eq = strchr(s, '~')))
1573 if (len == strlen((const char *)type) &&
1574 !memcmp((const char *) type, s, len))
1576 xmlChar *value = xmlNodeGetContent(n);
1577 if (value && *value)
1580 (substring && strstr((const char *) value, eq+1)) ||
1581 (!substring && !strcmp((const char *) value, eq + 1)))
1594 static int ingest_to_cluster(struct client *cl,
1598 const char *mergekey_norm);
1600 /** \brief ingest XML record
1601 \param cl client holds the result set for record
1602 \param rec record buffer (0 terminated)
1603 \param record_no record position (1, 2, ..)
1604 \param nmem working NMEM
1609 int ingest_record(struct client *cl, const char *rec,
1610 int record_no, NMEM nmem)
1612 struct session *se = client_get_session(cl);
1614 struct session_database *sdb = client_get_database(cl);
1615 struct conf_service *service = se->service;
1616 xmlDoc *xdoc = normalize_record(se, sdb, service, rec, nmem);
1618 const char *mergekey_norm;
1623 root = xmlDocGetRootElement(xdoc);
1625 if (!check_record_filter(root, sdb))
1627 session_log(se, YLOG_LOG, "Filtered out record no %d from %s", record_no, sdb->database->id);
1632 mergekey_norm = get_mergekey(xdoc, cl, record_no, service, nmem);
1635 session_log(se, YLOG_WARN, "Got no mergekey");
1639 assert(client_get_session(cl) == se);
1641 ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
1647 // struct conf_metadata *ser_md = &service->metadata[md_field_id];
1648 // struct record_metadata *rec_md = record->metadata[md_field_id];
1649 static int match_metadata_local(struct conf_metadata *ser_md,
1650 struct record_metadata *rec_md0,
1651 char **values, int num_v)
1654 struct record_metadata *rec_md = rec_md0;
1655 for (i = 0; i < num_v; )
1659 if (ser_md->type == Metadata_type_year
1660 || ser_md->type == Metadata_type_date)
1662 int y = atoi(values[i]);
1663 if (y >= rec_md->data.number.min
1664 && y <= rec_md->data.number.max)
1669 yaz_log(YLOG_DEBUG, "cmp: '%s' '%s'", rec_md->data.text.disp, values[i]);
1670 if (!strcmp(rec_md->data.text.disp, values[i]))
1672 // Value equals, should not be filtered.
1676 rec_md = rec_md->next;
1684 return i < num_v ? 1 : 0;
1687 int session_check_cluster_limit(struct session *se, struct record_cluster *rec)
1690 struct conf_service *service = se->service;
1694 NMEM nmem_tmp = nmem_create();
1696 for (i = 0; (name = facet_limits_get(se->facet_limits, i, &value)); i++)
1699 for (j = 0; j < service->num_metadata; j++)
1701 struct conf_metadata *md = service->metadata + j;
1702 if (!strcmp(md->name, name) && md->limitcluster)
1707 conf_service_metadata_field_id(service,
1710 if (md_field_id < 0)
1716 nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
1719 if (!match_metadata_local(&service->metadata[md_field_id],
1720 rec->metadata[md_field_id],
1729 nmem_destroy(nmem_tmp);
1733 // Skip record on non-zero
1734 static int check_limit_local(struct client *cl,
1735 struct record *record,
1738 int skip_record = 0;
1739 struct session *se = client_get_session(cl);
1740 struct conf_service *service = se->service;
1741 NMEM nmem_tmp = nmem_create();
1742 struct session_database *sdb = client_get_database(cl);
1744 while (!skip_record)
1750 client_get_facet_limit_local(cl, sdb, &l, nmem_tmp,
1755 if (!strcmp(name, "*"))
1757 for (md_field_id = 0; md_field_id < service->num_metadata;
1760 if (match_metadata_local(
1761 &service->metadata[md_field_id],
1762 record->metadata[md_field_id],
1766 if (md_field_id == service->num_metadata)
1771 md_field_id = conf_service_metadata_field_id(service, name);
1772 if (md_field_id < 0)
1777 if (!match_metadata_local(
1778 &service->metadata[md_field_id],
1779 record->metadata[md_field_id],
1786 nmem_destroy(nmem_tmp);
1790 static int ingest_to_cluster(struct client *cl,
1794 const char *mergekey_norm)
1799 struct session *se = client_get_session(cl);
1800 struct conf_service *service = se->service;
1801 int term_factor = 1;
1802 struct record_cluster *cluster;
1803 struct record_metadata **metadata0;
1804 struct session_database *sdb = client_get_database(cl);
1805 struct record *record = record_create(se->nmem,
1806 service->num_metadata,
1807 service->num_sortkeys, cl,
1810 for (n = root->children; n; n = n->next)
1818 if (n->type != XML_ELEMENT_NODE)
1820 if (!strcmp((const char *) n->name, "metadata"))
1822 struct conf_metadata *ser_md = 0;
1823 struct record_metadata **wheretoput = 0;
1824 struct record_metadata *rec_md = 0;
1825 int md_field_id = -1;
1827 type = xmlGetProp(n, (xmlChar *) "type");
1828 value = xmlNodeListGetString(xdoc, n->children, 1);
1830 if (!type || !value || !*value)
1834 = conf_service_metadata_field_id(service, (const char *) type);
1835 if (md_field_id < 0)
1837 if (se->number_of_warnings_unknown_metadata == 0)
1839 session_log(se, YLOG_WARN,
1840 "Ignoring unknown metadata element: %s", type);
1842 se->number_of_warnings_unknown_metadata++;
1846 ser_md = &service->metadata[md_field_id];
1848 // non-merged metadata
1849 rec_md = record_metadata_init(se->nmem, (const char *) value,
1850 ser_md->type, n->properties);
1853 session_log(se, YLOG_WARN, "bad metadata data '%s' "
1854 "for element '%s'", value, type);
1857 wheretoput = &record->metadata[md_field_id];
1859 wheretoput = &(*wheretoput)->next;
1860 *wheretoput = rec_md;
1864 if (check_limit_local(cl, record, record_no))
1866 session_log(se, YLOG_LOG, "Facet filtered out record no %d from %s",
1867 record_no, sdb->database->id);
1874 cluster = reclist_insert(se->reclist, service, record,
1875 mergekey_norm, &se->total_merged);
1877 return 0; // complete match with existing record
1880 const char *use_term_factor_str =
1881 session_setting_oneval(sdb, PZ_TERMLIST_TERM_FACTOR);
1882 if (use_term_factor_str && use_term_factor_str[0] == '1')
1884 int maxrecs = client_get_maxrecs(cl);
1885 int hits = (int) client_get_hits(cl);
1886 term_factor = MAX(hits, maxrecs) / MAX(1, maxrecs);
1887 assert(term_factor >= 1);
1888 yaz_log(YLOG_DEBUG, "Using term factor: %d (%d / %d)", term_factor, MAX(hits, maxrecs), MAX(1, maxrecs));
1892 if (global_parameters.dump_records)
1893 session_log(se, YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
1894 sdb->database->id, record_no);
1897 relevance_newrec(se->relevance, cluster);
1899 // original metadata, to check if first existence of a field
1900 metadata0 = xmalloc(sizeof(*metadata0) * service->num_metadata);
1901 memcpy(metadata0, cluster->metadata,
1902 sizeof(*metadata0) * service->num_metadata);
1904 // now parsing XML record and adding data to cluster or record metadata
1905 for (n = root->children; n; n = n->next)
1907 pp2_charset_token_t prt;
1914 if (n->type != XML_ELEMENT_NODE)
1916 if (!strcmp((const char *) n->name, "metadata"))
1918 struct conf_metadata *ser_md = 0;
1919 struct conf_sortkey *ser_sk = 0;
1920 struct record_metadata **wheretoput = 0;
1921 struct record_metadata *rec_md = 0;
1922 int md_field_id = -1;
1923 int sk_field_id = -1;
1927 type = xmlGetProp(n, (xmlChar *) "type");
1928 value = xmlNodeListGetString(xdoc, n->children, 1);
1930 if (!type || !value || !*value)
1934 = conf_service_metadata_field_id(service, (const char *) type);
1935 if (md_field_id < 0)
1938 ser_md = &service->metadata[md_field_id];
1940 if (ser_md->sortkey_offset >= 0)
1942 sk_field_id = ser_md->sortkey_offset;
1943 ser_sk = &service->sortkeys[sk_field_id];
1947 rec_md = record_metadata_init(se->nmem, (const char *) value,
1950 // see if the field was not in cluster already (from beginning)
1955 xml_rank = xmlGetProp(n, (xmlChar *) "rank");
1956 rank = xml_rank ? (const char *) xml_rank : ser_md->rank;
1958 wheretoput = &cluster->metadata[md_field_id];
1960 if (ser_md->merge == Metadata_merge_first)
1962 if (!metadata0[md_field_id])
1965 wheretoput = &(*wheretoput)->next;
1966 *wheretoput = rec_md;
1969 else if (ser_md->merge == Metadata_merge_unique)
1973 if (!strcmp((const char *) (*wheretoput)->data.text.disp,
1974 rec_md->data.text.disp))
1976 wheretoput = &(*wheretoput)->next;
1979 *wheretoput = rec_md;
1981 else if (ser_md->merge == Metadata_merge_longest)
1984 || strlen(rec_md->data.text.disp)
1985 > strlen((*wheretoput)->data.text.disp))
1987 *wheretoput = rec_md;
1990 const char *sort_str = 0;
1992 ser_sk->type == Metadata_sortkey_skiparticle;
1994 if (!cluster->sortkeys[sk_field_id])
1995 cluster->sortkeys[sk_field_id] =
1996 nmem_malloc(se->nmem,
1997 sizeof(union data_types));
2000 pp2_charset_token_create(service->charsets, "sort");
2002 pp2_charset_token_first(prt, rec_md->data.text.disp,
2005 pp2_charset_token_next(prt);
2007 sort_str = pp2_get_sort(prt);
2009 cluster->sortkeys[sk_field_id]->text.disp =
2010 rec_md->data.text.disp;
2013 sort_str = rec_md->data.text.disp;
2014 session_log(se, YLOG_WARN,
2015 "Could not make sortkey. Bug #1858");
2017 cluster->sortkeys[sk_field_id]->text.sort =
2018 nmem_strdup(se->nmem, sort_str);
2019 pp2_charset_token_destroy(prt);
2023 else if (ser_md->merge == Metadata_merge_all)
2026 wheretoput = &(*wheretoput)->next;
2027 *wheretoput = rec_md;
2029 else if (ser_md->merge == Metadata_merge_range)
2033 *wheretoput = rec_md;
2035 cluster->sortkeys[sk_field_id]
2040 int this_min = rec_md->data.number.min;
2041 int this_max = rec_md->data.number.max;
2042 if (this_min < (*wheretoput)->data.number.min)
2043 (*wheretoput)->data.number.min = this_min;
2044 if (this_max > (*wheretoput)->data.number.max)
2045 (*wheretoput)->data.number.max = this_max;
2049 // ranking of _all_ fields enabled ...
2052 relevance_countwords(se->relevance, cluster,
2053 (char *) value, rank, ser_md->name);
2056 // construct facets ... unless the client already has reported them
2057 if (ser_md->termlist && !client_has_facet(cl, (char *) type))
2059 if (ser_md->type == Metadata_type_year)
2062 sprintf(year, "%d", rec_md->data.number.max);
2064 add_facet(se, (char *) type, year, term_factor);
2065 if (rec_md->data.number.max != rec_md->data.number.min)
2067 sprintf(year, "%d", rec_md->data.number.min);
2068 add_facet(se, (char *) type, year, term_factor);
2072 add_facet(se, (char *) type, (char *) value, term_factor);
2084 if (se->number_of_warnings_unknown_elements == 0)
2085 session_log(se, YLOG_WARN,
2086 "Unexpected element in internal record: %s", n->name);
2087 se->number_of_warnings_unknown_elements++;
2096 relevance_donerecord(se->relevance, cluster);
2097 se->total_records++;
2102 void session_log(struct session *s, int level, const char *fmt, ...)
2108 yaz_vsnprintf(buf, sizeof(buf)-30, fmt, ap);
2109 yaz_log(level, "Session %u: %s", s->session_id, buf);
2117 * c-file-style: "Stroustrup"
2118 * indent-tabs-mode: nil
2120 * vim: shiftwidth=4 tabstop=8 expandtab