1 /* This file is part of Pazpar2.
2 Copyright (C) 2006-2010 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
41 #include <yaz/marcdisp.h>
42 #include <yaz/comstack.h>
43 #include <yaz/tcpip.h>
44 #include <yaz/proto.h>
45 #include <yaz/readconf.h>
46 #include <yaz/pquery.h>
47 #include <yaz/otherinfo.h>
48 #include <yaz/yaz-util.h>
50 #include <yaz/query-charset.h>
51 #include <yaz/querytowrbuf.h>
52 #include <yaz/oid_db.h>
53 #include <yaz/snprintf.h>
57 #include <yaz/timing.h>
60 #include "parameters.h"
64 #include "termlists.h"
66 #include "relevance.h"
70 #include "normalize7bit.h"
72 #define TERMLIST_HIGH_SCORE 25
76 // Note: Some things in this structure will eventually move to configuration
77 struct parameters global_parameters =
83 static void log_xml_doc(xmlDoc *doc)
85 FILE *lf = yaz_log_file();
88 #if LIBXML_VERSION >= 20600
89 xmlDocDumpFormatMemory(doc, &result, &len, 1);
91 xmlDocDumpMemory(doc, &result, &len);
95 (void) fwrite(result, 1, len, lf);
101 static void session_enter(struct session *s)
103 yaz_mutex_enter(s->mutex);
106 static void session_leave(struct session *s)
108 yaz_mutex_leave(s->mutex);
111 // Recursively traverse query structure to extract terms.
112 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
124 pull_terms(nmem, n->u.p[0], termlist, num);
125 pull_terms(nmem, n->u.p[1], termlist, num);
128 nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
129 for (i = 0; i < numwords; i++)
130 termlist[(*num)++] = words[i];
138 static void add_facet(struct session *s, const char *type, const char *value)
144 for (i = 0; i < s->num_termlists; i++)
145 if (!strcmp(s->termlists[i].name, type))
147 if (i == s->num_termlists)
149 if (i == SESSION_MAX_TERMLISTS)
151 yaz_log(YLOG_FATAL, "Too many termlists");
155 s->termlists[i].name = nmem_strdup(s->nmem, type);
156 s->termlists[i].termlist
157 = termlist_create(s->nmem, TERMLIST_HIGH_SCORE);
158 s->num_termlists = i + 1;
160 termlist_insert(s->termlists[i].termlist, value);
163 static xmlDoc *record_to_xml(struct session_database *sdb, const char *rec)
165 struct database *db = sdb->database;
168 rdoc = xmlParseMemory(rec, strlen(rec));
172 yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
177 if (global_parameters.dump_records)
179 yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
186 #define MAX_XSLT_ARGS 16
188 // Add static values from session database settings if applicable
189 static void insert_settings_parameters(struct session_database *sdb,
190 struct conf_service *service,
198 for (i = 0; i < service->num_metadata; i++)
200 struct conf_metadata *md = &service->metadata[i];
203 if (md->setting == Metadata_setting_parameter &&
204 (setting = settings_lookup_offset(service, md->name)) >= 0)
206 const char *val = session_setting_oneval(sdb, setting);
207 if (val && nparms < MAX_XSLT_ARGS)
210 int len = strlen(val);
211 buf = nmem_malloc(nmem, len + 3);
213 strcpy(buf + 1, val);
216 parms[offset++] = md->name;
217 parms[offset++] = buf;
225 // Add static values from session database settings if applicable
226 static void insert_settings_values(struct session_database *sdb, xmlDoc *doc,
227 struct conf_service *service)
231 for (i = 0; i < service->num_metadata; i++)
233 struct conf_metadata *md = &service->metadata[i];
236 if (md->setting == Metadata_setting_postproc &&
237 (offset = settings_lookup_offset(service, md->name)) >= 0)
239 const char *val = session_setting_oneval(sdb, offset);
242 xmlNode *r = xmlDocGetRootElement(doc);
243 xmlNode *n = xmlNewTextChild(r, 0, (xmlChar *) "metadata",
245 xmlSetProp(n, (xmlChar *) "type", (xmlChar *) md->name);
251 static xmlDoc *normalize_record(struct session_database *sdb,
252 struct conf_service *service,
253 const char *rec, NMEM nmem)
255 xmlDoc *rdoc = record_to_xml(sdb, rec);
259 char *parms[MAX_XSLT_ARGS*2+1];
261 insert_settings_parameters(sdb, service, parms, nmem);
263 if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
265 yaz_log(YLOG_WARN, "Normalize failed from %s", sdb->database->url);
269 insert_settings_values(sdb, rdoc, service);
271 if (global_parameters.dump_records)
273 yaz_log(YLOG_LOG, "Normalized record from %s",
282 void session_settings_dump(struct session *se,
283 struct session_database *db,
288 int i, num = db->num_settings;
289 for (i = 0; i < num; i++)
291 struct setting *s = db->settings[i];
292 for (;s ; s = s->next)
294 wrbuf_puts(w, "<set name=\"");
295 wrbuf_xmlputs(w, s->name);
296 wrbuf_puts(w, "\" value=\"");
297 wrbuf_xmlputs(w, s->value);
298 wrbuf_puts(w, "\"/>");
306 // Retrieve first defined value for 'name' for given database.
307 // Will be extended to take into account user associated with session
308 const char *session_setting_oneval(struct session_database *db, int offset)
310 if (offset >= db->num_settings || !db->settings[offset])
312 return db->settings[offset]->value;
315 // Prepare XSLT stylesheets for record normalization
316 // Structures are allocated on the session_wide nmem to avoid having
317 // to recompute this for every search. This would lead
318 // to leaking if a single session was to repeatedly change the PZ_XSLT
319 // setting. However, this is not a realistic use scenario.
320 static int prepare_map(struct session *se, struct session_database *sdb)
326 yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
329 if ((s = session_setting_oneval(sdb, PZ_XSLT)))
331 char auto_stylesheet[256];
333 if (!strcmp(s, "auto"))
335 const char *request_syntax = session_setting_oneval(
336 sdb, PZ_REQUESTSYNTAX);
340 yaz_snprintf(auto_stylesheet, sizeof(auto_stylesheet),
341 "%s.xsl", request_syntax);
342 for (cp = auto_stylesheet; *cp; cp++)
344 /* deliberately only consider ASCII */
345 if (*cp > 32 && *cp < 127)
352 yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
355 sdb->map = normalize_cache_get(se->normalize_cache,
363 // This analyzes settings and recomputes any supporting data structures
365 static int prepare_session_database(struct session *se,
366 struct session_database *sdb)
371 "No settings associated with %s", sdb->database->url);
374 if (sdb->settings[PZ_XSLT] && !sdb->map)
376 if (prepare_map(se, sdb) < 0)
382 // called if watch should be removed because http_channel is to be destroyed
383 static void session_watch_cancel(void *data, struct http_channel *c,
386 struct session_watchentry *ent = data;
393 // set watch. Returns 0=OK, -1 if watch is already set
394 int session_set_watch(struct session *s, int what,
395 session_watchfun fun, void *data,
396 struct http_channel *chan)
398 if (s->watchlist[what].fun)
400 s->watchlist[what].fun = fun;
401 s->watchlist[what].data = data;
402 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
403 session_watch_cancel);
407 void session_alert_watch(struct session *s, int what)
409 if (s->watchlist[what].fun)
411 /* our watch is no longer associated with http_channel */
413 session_watchfun fun;
415 http_remove_observer(s->watchlist[what].obs);
416 fun = s->watchlist[what].fun;
417 data = s->watchlist[what].data;
419 /* reset watch before fun is invoked - in case fun wants to set
421 s->watchlist[what].fun = 0;
422 s->watchlist[what].data = 0;
423 s->watchlist[what].obs = 0;
429 //callback for grep_databases
430 static void select_targets_callback(void *context, struct session_database *db)
432 struct session *se = (struct session*) context;
433 struct client *cl = client_create();
434 client_set_database(cl, db);
435 client_set_session(cl, se);
438 // Associates a set of clients with a session;
439 // Note: Session-databases represent databases with per-session
441 static int select_targets(struct session *se, const char *filter)
444 client_destroy(se->clients);
446 return session_grep_databases(se, filter, select_targets_callback);
449 int session_active_clients(struct session *s)
454 for (c = s->clients; c; c = client_next_in_session(c))
455 if (client_is_active(c))
462 enum pazpar2_error_code search(struct session *se,
464 const char *startrecs, const char *maxrecs,
466 const char **addinfo)
468 int live_channels = 0;
473 yaz_log(YLOG_DEBUG, "Search");
478 nmem_reset(se->nmem);
480 se->total_records = se->total_hits = se->total_merged = 0;
481 reclist_destroy(se->reclist);
483 se->num_termlists = 0;
484 live_channels = select_targets(se, filter);
488 return PAZPAR2_NO_TARGETS;
490 se->reclist = reclist_create(se->nmem);
492 for (cl = se->clients; cl; cl = client_next_in_session(cl))
495 client_set_maxrecs(cl, atoi(maxrecs));
497 client_set_startrecs(cl, atoi(startrecs));
498 if (prepare_session_database(se, client_get_database(cl)) < 0)
500 // Parse query for target
501 if (client_parse_query(cl, query) < 0)
506 if (client_prep_connection(cl, se->service->z3950_operation_timeout,
507 se->service->z3950_session_timeout,
508 se->service->server->iochan_man))
509 client_start_search(cl);
518 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
521 return PAZPAR2_NO_TARGETS;
523 return PAZPAR2_NO_ERROR;
526 // Creates a new session_database object for a database
527 static void session_init_databases_fun(void *context, struct database *db)
529 struct session *se = (struct session *) context;
530 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
536 assert(db->settings);
537 new->settings = nmem_malloc(se->session_nmem,
538 sizeof(struct settings *) * db->num_settings);
539 new->num_settings = db->num_settings;
540 for (i = 0; i < db->num_settings; i++)
542 struct setting *setting = db->settings[i];
543 new->settings[i] = setting;
545 new->next = se->databases;
549 // Doesn't free memory associated with sdb -- nmem takes care of that
550 static void session_database_destroy(struct session_database *sdb)
555 // Initialize session_database list -- this represents this session's view
556 // of the database list -- subject to modification by the settings ws command
557 void session_init_databases(struct session *se)
560 predef_grep_databases(se, se->service, session_init_databases_fun);
563 // Probably session_init_databases_fun should be refactored instead of
565 static struct session_database *load_session_database(struct session *se,
568 struct database *db = new_database(id, se->session_nmem);
570 resolve_database(se->service, db);
572 session_init_databases_fun((void*) se, db);
574 // New sdb is head of se->databases list
575 return se->databases;
578 // Find an existing session database. If not found, load it
579 static struct session_database *find_session_database(struct session *se,
582 struct session_database *sdb;
584 for (sdb = se->databases; sdb; sdb = sdb->next)
585 if (!strcmp(sdb->database->url, id))
587 return load_session_database(se, id);
590 // Apply a session override to a database
591 void session_apply_setting(struct session *se, char *dbname, char *setting,
594 struct session_database *sdb = find_session_database(se, dbname);
595 struct conf_service *service = se->service;
596 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
597 int offset = settings_create_offset(service, setting);
599 expand_settings_array(&sdb->settings, &sdb->num_settings, offset,
602 new->target = dbname;
605 new->next = sdb->settings[offset];
606 sdb->settings[offset] = new;
608 // Force later recompute of settings-driven data structures
609 // (happens when a search starts and client connections are prepared)
621 void destroy_session(struct session *s)
623 struct session_database *sdb;
626 client_destroy(s->clients);
627 for (sdb = s->databases; sdb; sdb = sdb->next)
628 session_database_destroy(sdb);
629 normalize_cache_destroy(s->normalize_cache);
630 reclist_destroy(s->reclist);
631 nmem_destroy(s->nmem);
632 service_destroy(s->service);
633 yaz_mutex_destroy(&s->mutex);
634 wrbuf_destroy(s->wrbuf);
637 struct session *new_session(NMEM nmem, struct conf_service *service)
640 struct session *session = nmem_malloc(nmem, sizeof(*session));
642 yaz_log(YLOG_DEBUG, "New Pazpar2 session");
644 session->service = service;
645 session->relevance = 0;
646 session->total_hits = 0;
647 session->total_records = 0;
648 session->number_of_warnings_unknown_elements = 0;
649 session->number_of_warnings_unknown_metadata = 0;
650 session->num_termlists = 0;
651 session->reclist = 0;
652 session->clients = 0;
653 session->session_nmem = nmem;
654 session->nmem = nmem_create();
655 session->wrbuf = wrbuf_alloc();
656 session->databases = 0;
657 for (i = 0; i <= SESSION_WATCH_MAX; i++)
659 session->watchlist[i].data = 0;
660 session->watchlist[i].fun = 0;
662 session->normalize_cache = normalize_cache_create();
664 yaz_mutex_create(&session->mutex);
669 struct hitsbytarget *hitsbytarget(struct session *se, int *count, NMEM nmem)
671 struct hitsbytarget *res = 0;
676 for (cl = se->clients; cl; cl = client_next_in_session(cl))
679 res = nmem_malloc(nmem, sizeof(*res) * sz);
681 for (cl = se->clients; cl; cl = client_next_in_session(cl))
683 WRBUF w = wrbuf_alloc();
684 const char *name = session_setting_oneval(client_get_database(cl),
687 res[*count].id = client_get_database(cl)->database->url;
688 res[*count].name = *name ? name : "Unknown";
689 res[*count].hits = client_get_hits(cl);
690 res[*count].records = client_get_num_records(cl);
691 res[*count].diagnostic = client_get_diagnostic(cl);
692 res[*count].state = client_get_state_str(cl);
693 res[*count].connected = client_get_connection(cl) ? 1 : 0;
694 session_settings_dump(se, client_get_database(cl), w);
695 res[*count].settings_xml = w;
702 struct termlist_score **termlist(struct session *s, const char *name, int *num)
705 struct termlist_score **tl = 0;
708 for (i = 0; i < s->num_termlists; i++)
709 if (!strcmp((const char *) s->termlists[i].name, name))
711 tl = termlist_highscore(s->termlists[i].termlist, num);
718 #ifdef MISSING_HEADERS
719 void report_nmem_stats(void)
721 size_t in_use, is_free;
723 nmem_get_memory_in_use(&in_use);
724 nmem_get_memory_free(&is_free);
726 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
727 (long) in_use, (long) is_free);
731 struct record_cluster *show_single_start(struct session *s, const char *id,
732 struct record_cluster **prev_r,
733 struct record_cluster **next_r)
735 struct record_cluster *r;
738 reclist_enter(s->reclist);
741 while ((r = reclist_read_record(s->reclist)))
743 if (!strcmp(r->recid, id))
745 *next_r = reclist_read_record(s->reclist);
750 reclist_leave(s->reclist);
756 void show_single_stop(struct session *s, struct record_cluster *rec)
761 struct record_cluster **show_range_start(struct session *s,
762 struct reclist_sortparms *sp,
763 int start, int *num, int *total, Odr_int *sumhits)
765 struct record_cluster **recs = nmem_malloc(s->nmem, *num
766 * sizeof(struct record_cluster *));
767 struct reclist_sortparms *spp;
770 yaz_timing_t t = yaz_timing_create();
783 for (spp = sp; spp; spp = spp->next)
784 if (spp->type == Metadata_sortkey_relevance)
786 relevance_prepare_read(s->relevance, s->reclist);
789 reclist_sort(s->reclist, sp);
791 reclist_enter(s->reclist);
792 *total = reclist_get_num_records(s->reclist);
793 *sumhits = s->total_hits;
795 for (i = 0; i < start; i++)
796 if (!reclist_read_record(s->reclist))
803 for (i = 0; i < *num; i++)
805 struct record_cluster *r = reclist_read_record(s->reclist);
813 reclist_leave(s->reclist);
817 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
818 yaz_timing_get_real(t), yaz_timing_get_user(t),
819 yaz_timing_get_sys(t));
820 yaz_timing_destroy(&t);
825 void show_range_stop(struct session *s, struct record_cluster **recs)
830 void statistics(struct session *se, struct statistics *stat)
835 memset(stat, 0, sizeof(*stat));
836 for (cl = se->clients; cl; cl = client_next_in_session(cl))
838 if (!client_get_connection(cl))
839 stat->num_no_connection++;
840 switch (client_get_state(cl))
842 case Client_Connecting: stat->num_connecting++; break;
843 case Client_Working: stat->num_working++; break;
844 case Client_Idle: stat->num_idle++; break;
845 case Client_Failed: stat->num_failed++; break;
846 case Client_Error: stat->num_error++; break;
851 stat->num_hits = se->total_hits;
852 stat->num_records = se->total_records;
854 stat->num_clients = count;
857 static struct record_metadata *record_metadata_init(
858 NMEM nmem, const char *value, enum conf_metadata_type type,
859 struct _xmlAttr *attr)
861 struct record_metadata *rec_md = record_metadata_create(nmem);
862 struct record_metadata_attr **attrp = &rec_md->attributes;
864 for (; attr; attr = attr->next)
866 if (attr->children && attr->children->content)
868 if (strcmp((const char *) attr->name, "type"))
869 { /* skip the "type" attribute.. Its value is already part of
870 the element in output (md-%s) and so repeating it here
872 *attrp = nmem_malloc(nmem, sizeof(**attrp));
874 nmem_strdup(nmem, (const char *) attr->name);
876 nmem_strdup(nmem, (const char *) attr->children->content);
877 attrp = &(*attrp)->next;
883 if (type == Metadata_type_generic)
885 char *p = nmem_strdup(nmem, value);
887 p = normalize7bit_generic(p, " ,/.:([");
889 rec_md->data.text.disp = p;
890 rec_md->data.text.sort = 0;
892 else if (type == Metadata_type_year || type == Metadata_type_date)
897 if (type == Metadata_type_date)
899 if (extract7bit_dates((char *) value, &first, &last, longdate) < 0)
902 rec_md->data.number.min = first;
903 rec_md->data.number.max = last;
910 static int get_mergekey_from_doc(xmlDoc *doc, xmlNode *root, const char *name,
911 struct conf_service *service, WRBUF norm_wr)
915 for (n = root->children; n; n = n->next)
917 if (n->type != XML_ELEMENT_NODE)
919 if (!strcmp((const char *) n->name, "metadata"))
921 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
922 if (!strcmp(name, (const char *) type))
924 xmlChar *value = xmlNodeListGetString(doc, n->children, 1);
927 const char *norm_str;
928 pp2_relevance_token_t prt =
929 pp2_relevance_tokenize(
930 service->mergekey_pct,
931 (const char *) value, 0);
933 if (wrbuf_len(norm_wr) > 0)
934 wrbuf_puts(norm_wr, " ");
935 wrbuf_puts(norm_wr, name);
937 pp2_relevance_token_next(prt)))
941 wrbuf_puts(norm_wr, " ");
942 wrbuf_puts(norm_wr, norm_str);
946 pp2_relevance_token_destroy(prt);
956 static const char *get_mergekey(xmlDoc *doc, struct client *cl, int record_no,
957 struct conf_service *service, NMEM nmem)
959 char *mergekey_norm = 0;
960 xmlNode *root = xmlDocGetRootElement(doc);
961 WRBUF norm_wr = wrbuf_alloc();
963 /* consider mergekey from XSL first */
964 xmlChar *mergekey = xmlGetProp(root, (xmlChar *) "mergekey");
967 const char *norm_str;
968 pp2_relevance_token_t prt =
969 pp2_relevance_tokenize(
970 service->mergekey_pct,
971 (const char *) mergekey, 0);
973 while ((norm_str = pp2_relevance_token_next(prt)))
977 if (wrbuf_len(norm_wr))
978 wrbuf_puts(norm_wr, " ");
979 wrbuf_puts(norm_wr, norm_str);
982 pp2_relevance_token_destroy(prt);
987 /* no mergekey defined in XSL. Look for mergekey metadata instead */
989 for (field_id = 0; field_id < service->num_metadata; field_id++)
991 struct conf_metadata *ser_md = &service->metadata[field_id];
992 if (ser_md->mergekey != Metadata_mergekey_no)
994 int r = get_mergekey_from_doc(doc, root, ser_md->name,
996 if (r == 0 && ser_md->mergekey == Metadata_mergekey_required)
998 /* no mergekey on this one and it is required..
999 Generate unique key instead */
1000 wrbuf_rewind(norm_wr);
1007 /* generate unique key if none is not generated already or is empty */
1008 if (wrbuf_len(norm_wr) == 0)
1010 wrbuf_printf(norm_wr, "%s-%d",
1011 client_get_database(cl)->database->url, record_no);
1013 if (wrbuf_len(norm_wr) > 0)
1014 mergekey_norm = nmem_strdup(nmem, wrbuf_cstr(norm_wr));
1015 wrbuf_destroy(norm_wr);
1016 return mergekey_norm;
1019 /** \brief see if metadata for pz:recordfilter exists
1020 \param root xml root element of normalized record
1021 \param sdb session database for client
1022 \retval 0 if there is no metadata for pz:recordfilter
1023 \retval 1 if there is metadata for pz:recordfilter
1025 If there is no pz:recordfilter defined, this function returns 1
1029 static int check_record_filter(xmlNode *root, struct session_database *sdb)
1034 s = session_setting_oneval(sdb, PZ_RECORDFILTER);
1039 for (n = root->children; n; n = n->next)
1041 if (n->type != XML_ELEMENT_NODE)
1043 if (!strcmp((const char *) n->name, "metadata"))
1045 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
1049 const char *eq = strchr(s, '~');
1054 if (len == strlen((const char *)type) &&
1055 !memcmp((const char *) type, s, len))
1057 xmlChar *value = xmlNodeGetContent(n);
1058 if (value && *value)
1060 if (!eq || strstr((const char *) value, eq+1))
1073 static int ingest_to_cluster(struct client *cl,
1077 const char *mergekey_norm);
1079 /** \brief ingest XML record
1080 \param cl client holds the result set for record
1081 \param rec record buffer (0 terminated)
1082 \param record_no record position (1, 2, ..)
1086 int ingest_record(struct client *cl, const char *rec,
1087 int record_no, NMEM nmem)
1089 struct session_database *sdb = client_get_database(cl);
1090 struct session *se = client_get_session(cl);
1091 struct conf_service *service = se->service;
1092 xmlDoc *xdoc = normalize_record(sdb, service, rec, nmem);
1094 const char *mergekey_norm;
1100 root = xmlDocGetRootElement(xdoc);
1102 if (!check_record_filter(root, sdb))
1104 yaz_log(YLOG_WARN, "Filtered out record no %d from %s", record_no,
1105 sdb->database->url);
1110 mergekey_norm = get_mergekey(xdoc, cl, record_no, service, nmem);
1113 yaz_log(YLOG_WARN, "Got no mergekey");
1118 ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
1126 static int ingest_to_cluster(struct client *cl,
1130 const char *mergekey_norm)
1135 struct session_database *sdb = client_get_database(cl);
1136 struct session *se = client_get_session(cl);
1137 struct conf_service *service = se->service;
1138 struct record *record = record_create(se->nmem,
1139 service->num_metadata,
1140 service->num_sortkeys, cl,
1142 struct record_cluster *cluster = reclist_insert(se->reclist,
1149 if (global_parameters.dump_records)
1150 yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
1151 sdb->database->url, record_no);
1152 relevance_newrec(se->relevance, cluster);
1154 // now parsing XML record and adding data to cluster or record metadata
1155 for (n = root->children; n; n = n->next)
1157 pp2_relevance_token_t prt;
1164 if (n->type != XML_ELEMENT_NODE)
1166 if (!strcmp((const char *) n->name, "metadata"))
1168 struct conf_metadata *ser_md = 0;
1169 struct conf_sortkey *ser_sk = 0;
1170 struct record_metadata **wheretoput = 0;
1171 struct record_metadata *rec_md = 0;
1172 int md_field_id = -1;
1173 int sk_field_id = -1;
1175 type = xmlGetProp(n, (xmlChar *) "type");
1176 value = xmlNodeListGetString(xdoc, n->children, 1);
1178 if (!type || !value || !*value)
1182 = conf_service_metadata_field_id(service, (const char *) type);
1183 if (md_field_id < 0)
1185 if (se->number_of_warnings_unknown_metadata == 0)
1188 "Ignoring unknown metadata element: %s", type);
1190 se->number_of_warnings_unknown_metadata++;
1194 ser_md = &service->metadata[md_field_id];
1196 if (ser_md->sortkey_offset >= 0){
1197 sk_field_id = ser_md->sortkey_offset;
1198 ser_sk = &service->sortkeys[sk_field_id];
1201 // non-merged metadata
1202 rec_md = record_metadata_init(se->nmem, (const char *) value,
1203 ser_md->type, n->properties);
1206 yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
1210 wheretoput = &record->metadata[md_field_id];
1212 wheretoput = &(*wheretoput)->next;
1213 *wheretoput = rec_md;
1216 rec_md = record_metadata_init(se->nmem, (const char *) value,
1218 wheretoput = &cluster->metadata[md_field_id];
1220 // and polulate with data:
1221 // assign cluster or record based on merge action
1222 if (ser_md->merge == Metadata_merge_unique)
1224 struct record_metadata *mnode;
1225 for (mnode = *wheretoput; mnode; mnode = mnode->next)
1226 if (!strcmp((const char *) mnode->data.text.disp,
1227 rec_md->data.text.disp))
1231 rec_md->next = *wheretoput;
1232 *wheretoput = rec_md;
1235 else if (ser_md->merge == Metadata_merge_longest)
1238 || strlen(rec_md->data.text.disp)
1239 > strlen((*wheretoput)->data.text.disp))
1241 *wheretoput = rec_md;
1244 const char *sort_str = 0;
1246 ser_sk->type == Metadata_sortkey_skiparticle;
1248 if (!cluster->sortkeys[sk_field_id])
1249 cluster->sortkeys[sk_field_id] =
1250 nmem_malloc(se->nmem,
1251 sizeof(union data_types));
1253 prt = pp2_relevance_tokenize(
1255 rec_md->data.text.disp, skip_article);
1257 pp2_relevance_token_next(prt);
1259 sort_str = pp2_get_sort(prt);
1261 cluster->sortkeys[sk_field_id]->text.disp =
1262 rec_md->data.text.disp;
1265 sort_str = rec_md->data.text.disp;
1267 "Could not make sortkey. Bug #1858");
1269 cluster->sortkeys[sk_field_id]->text.sort =
1270 nmem_strdup(se->nmem, sort_str);
1272 yaz_log(YLOG_LOG, "text disp=%s",
1273 cluster->sortkeys[sk_field_id]->text.disp);
1274 yaz_log(YLOG_LOG, "text sort=%s",
1275 cluster->sortkeys[sk_field_id]->text.sort);
1277 pp2_relevance_token_destroy(prt);
1281 else if (ser_md->merge == Metadata_merge_all)
1283 rec_md->next = *wheretoput;
1284 *wheretoput = rec_md;
1286 else if (ser_md->merge == Metadata_merge_range)
1290 *wheretoput = rec_md;
1292 cluster->sortkeys[sk_field_id]
1297 int this_min = rec_md->data.number.min;
1298 int this_max = rec_md->data.number.max;
1299 if (this_min < (*wheretoput)->data.number.min)
1300 (*wheretoput)->data.number.min = this_min;
1301 if (this_max > (*wheretoput)->data.number.max)
1302 (*wheretoput)->data.number.max = this_max;
1307 // ranking of _all_ fields enabled ...
1309 relevance_countwords(se->relevance, cluster,
1310 (char *) value, ser_md->rank,
1313 // construct facets ...
1314 if (ser_md->termlist)
1316 if (ser_md->type == Metadata_type_year)
1319 sprintf(year, "%d", rec_md->data.number.max);
1320 add_facet(se, (char *) type, year);
1321 if (rec_md->data.number.max != rec_md->data.number.min)
1323 sprintf(year, "%d", rec_md->data.number.min);
1324 add_facet(se, (char *) type, year);
1328 add_facet(se, (char *) type, (char *) value);
1338 if (se->number_of_warnings_unknown_elements == 0)
1340 "Unexpected element in internal record: %s", n->name);
1341 se->number_of_warnings_unknown_elements++;
1349 relevance_donerecord(se->relevance, cluster);
1350 se->total_records++;
1358 * c-file-style: "Stroustrup"
1359 * indent-tabs-mode: nil
1361 * vim: shiftwidth=4 tabstop=8 expandtab