1 /* $Id: logic.c,v 1.58 2007-07-30 23:16:33 quinn Exp $
2 Copyright (c) 2006-2007, Index Data.
4 This file is part of Pazpar2.
6 Pazpar2 is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Pazpar2; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 \brief high-level logic; mostly user sessions and settings
31 #include <sys/socket.h>
37 #include <yaz/marcdisp.h>
38 #include <yaz/comstack.h>
39 #include <yaz/tcpip.h>
40 #include <yaz/proto.h>
41 #include <yaz/readconf.h>
42 #include <yaz/pquery.h>
43 #include <yaz/otherinfo.h>
44 #include <yaz/yaz-util.h>
46 #include <yaz/query-charset.h>
47 #include <yaz/querytowrbuf.h>
48 #include <yaz/oid_db.h>
49 #include <yaz/snprintf.h>
57 #include <yaz/timing.h>
60 #include <netinet/in.h>
65 #include "termlists.h"
67 #include "relevance.h"
72 #include "normalize7bit.h"
74 #define TERMLIST_HIGH_SCORE 25
78 // Note: Some things in this structure will eventually move to configuration
79 struct parameters global_parameters =
101 // Recursively traverse query structure to extract terms.
102 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
114 pull_terms(nmem, n->u.p[0], termlist, num);
115 pull_terms(nmem, n->u.p[1], termlist, num);
118 nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
119 for (i = 0; i < numwords; i++)
120 termlist[(*num)++] = words[i];
129 static void add_facet(struct session *s, const char *type, const char *value)
135 for (i = 0; i < s->num_termlists; i++)
136 if (!strcmp(s->termlists[i].name, type))
138 if (i == s->num_termlists)
140 if (i == SESSION_MAX_TERMLISTS)
142 yaz_log(YLOG_FATAL, "Too many termlists");
146 s->termlists[i].name = nmem_strdup(s->nmem, type);
147 s->termlists[i].termlist
148 = termlist_create(s->nmem, s->expected_maxrecs,
149 TERMLIST_HIGH_SCORE);
150 s->num_termlists = i + 1;
152 termlist_insert(s->termlists[i].termlist, value);
155 xmlDoc *record_to_xml(struct session_database *sdb, Z_External *rec)
157 struct database *db = sdb->database;
159 const Odr_oid *oid = rec->direct_reference;
161 /* convert response record to XML somehow */
162 if (rec->which == Z_External_octet && oid
163 && !oid_oidcmp(oid, yaz_oid_recsyn_xml))
166 rdoc = xmlParseMemory((char*) rec->u.octet_aligned->buf,
167 rec->u.octet_aligned->len);
170 yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
175 else if (rec->which == Z_External_OPAC)
179 yaz_log(YLOG_WARN, "MARC decoding not configured");
184 /* OPAC gets converted to XML too */
185 WRBUF wrbuf_opac = wrbuf_alloc();
186 /* MARCXML inside the OPAC XML. Charset is in effect because we
187 use the yaz_marc handle */
188 yaz_marc_xml(sdb->yaz_marc, YAZ_MARC_MARCXML);
189 yaz_opac_decode_wrbuf(sdb->yaz_marc, rec->u.opac, wrbuf_opac);
191 rdoc = xmlParseMemory((char*) wrbuf_buf(wrbuf_opac),
192 wrbuf_len(wrbuf_opac));
194 yaz_log(YLOG_WARN, "Unable to parse OPAC XML");
195 wrbuf_destroy(wrbuf_opac);
198 else if (oid && yaz_oid_is_iso2709(oid))
200 /* ISO2709 gets converted to MARCXML */
203 yaz_log(YLOG_WARN, "MARC decoding not configured");
212 if (rec->which != Z_External_octet)
214 yaz_log(YLOG_WARN, "Unexpected external branch, probably BER %s",
218 buf = (char*) rec->u.octet_aligned->buf;
219 len = rec->u.octet_aligned->len;
220 if (yaz_marc_read_iso2709(sdb->yaz_marc, buf, len) < 0)
222 yaz_log(YLOG_WARN, "Failed to decode MARC %s", db->url);
226 yaz_marc_write_using_libxml2(sdb->yaz_marc, 1);
227 if (yaz_marc_write_xml(sdb->yaz_marc, &res,
228 "http://www.loc.gov/MARC21/slim", 0, 0) < 0)
230 yaz_log(YLOG_WARN, "Failed to encode as XML %s",
234 rdoc = xmlNewDoc((xmlChar *) "1.0");
235 xmlDocSetRootElement(rdoc, res);
240 char oid_name_buf[OID_STR_MAX];
241 const char *oid_name = yaz_oid_to_string_buf(oid, 0, oid_name_buf);
243 "Unable to handle record of type %s from %s",
248 if (global_parameters.dump_records)
250 FILE *lf = yaz_log_file();
253 yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
254 #if LIBXML_VERSION >= 20600
255 xmlDocFormatDump(lf, rdoc, 1);
257 xmlDocDump(lf, rdoc);
265 #define MAX_XSLT_ARGS 16
267 // Add static values from session database settings if applicable
268 static void insert_settings_parameters(struct session_database *sdb,
269 struct session *se, char **parms)
271 struct conf_service *service = global_parameters.server->service;
276 for (i = 0; i < service->num_metadata; i++)
278 struct conf_metadata *md = &service->metadata[i];
281 if (md->setting == Metadata_setting_parameter &&
282 (setting = settings_offset(md->name)) > 0)
284 char *val = session_setting_oneval(sdb, setting);
285 if (val && nparms < MAX_XSLT_ARGS)
288 int len = strlen(val);
289 buf = nmem_malloc(se->nmem, len + 3);
291 strcpy(buf + 1, val);
294 parms[offset++] = md->name;
295 parms[offset++] = buf;
303 // Add static values from session database settings if applicable
304 static void insert_settings_values(struct session_database *sdb, xmlDoc *doc)
306 struct conf_service *service = global_parameters.server->service;
309 for (i = 0; i < service->num_metadata; i++)
311 struct conf_metadata *md = &service->metadata[i];
314 if (md->setting == Metadata_setting_postproc &&
315 (offset = settings_offset(md->name)) > 0)
317 char *val = session_setting_oneval(sdb, offset);
320 xmlNode *r = xmlDocGetRootElement(doc);
321 xmlNode *n = xmlNewTextChild(r, 0, (xmlChar *) "metadata",
323 xmlSetProp(n, (xmlChar *) "type", (xmlChar *) md->name);
329 xmlDoc *normalize_record(struct session_database *sdb, struct session *se,
332 struct database_retrievalmap *m;
333 xmlDoc *rdoc = record_to_xml(sdb, rec);
336 for (m = sdb->map; m; m = m->next)
342 char *parms[MAX_XSLT_ARGS*2+1];
344 insert_settings_parameters(sdb, se, parms);
346 new = xsltApplyStylesheet(m->stylesheet, rdoc, (const char **) parms);
347 root= xmlDocGetRootElement(new);
348 if (!new || !root || !(root->children))
350 yaz_log(YLOG_WARN, "XSLT transformation failed from %s",
362 insert_settings_values(sdb, rdoc);
364 if (global_parameters.dump_records)
366 FILE *lf = yaz_log_file();
370 yaz_log(YLOG_LOG, "Normalized record from %s",
372 #if LIBXML_VERSION >= 20600
373 xmlDocFormatDump(lf, rdoc, 1);
375 xmlDocDump(lf, rdoc);
384 // Retrieve first defined value for 'name' for given database.
385 // Will be extended to take into account user associated with session
386 char *session_setting_oneval(struct session_database *db, int offset)
388 if (!db->settings[offset])
390 return db->settings[offset]->value;
395 // Initialize YAZ Map structures for MARC-based targets
396 static int prepare_yazmarc(struct session_database *sdb)
402 yaz_log(YLOG_WARN, "No settings for %s", sdb->database->url);
405 if ((s = session_setting_oneval(sdb, PZ_NATIVESYNTAX))
406 && !strncmp(s, "iso2709", 7))
408 char *encoding = "marc-8s", *e;
411 // See if a native encoding is specified
412 if ((e = strchr(s, ';')))
415 sdb->yaz_marc = yaz_marc_create();
416 yaz_marc_subfield_str(sdb->yaz_marc, "\t");
418 cm = yaz_iconv_open("utf-8", encoding);
422 "Unable to map from %s to UTF-8 for target %s",
423 encoding, sdb->database->url);
426 yaz_marc_iconv(sdb->yaz_marc, cm);
431 // Prepare XSLT stylesheets for record normalization
432 // Structures are allocated on the session_wide nmem to avoid having
433 // to recompute this for every search. This would lead
434 // to leaking if a single session was to repeatedly change the PZ_XSLT
435 // setting. However, this is not a realistic use scenario.
436 static int prepare_map(struct session *se, struct session_database *sdb)
442 yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
445 if ((s = session_setting_oneval(sdb, PZ_XSLT)))
448 struct database_retrievalmap **m = &sdb->map;
450 char auto_stylesheet[256];
452 if (!strcmp(s, "auto"))
454 char *request_syntax = session_setting_oneval(sdb,
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 yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
474 nmem_strsplit(se->session_nmem, ",", s, &stylesheets, &num);
475 for (i = 0; i < num; i++)
477 (*m) = nmem_malloc(se->session_nmem, sizeof(**m));
479 if (!((*m)->stylesheet = conf_load_stylesheet(stylesheets[i])))
481 yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
489 yaz_log(YLOG_WARN, "No Normalization stylesheet for target %s",
494 // This analyzes settings and recomputes any supporting data structures
496 static int prepare_session_database(struct session *se,
497 struct session_database *sdb)
502 "No settings associated with %s", sdb->database->url);
505 if (sdb->settings[PZ_NATIVESYNTAX] && !sdb->yaz_marc)
507 if (prepare_yazmarc(sdb) < 0)
510 if (sdb->settings[PZ_XSLT] && !sdb->map)
512 if (prepare_map(se, sdb) < 0)
518 // called if watch should be removed because http_channel is to be destroyed
519 static void session_watch_cancel(void *data, struct http_channel *c)
521 struct session_watchentry *ent = data;
528 // set watch. Returns 0=OK, -1 if watch is already set
529 int session_set_watch(struct session *s, int what,
530 session_watchfun fun, void *data,
531 struct http_channel *chan)
533 if (s->watchlist[what].fun)
535 s->watchlist[what].fun = fun;
536 s->watchlist[what].data = data;
537 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
538 session_watch_cancel);
542 void session_alert_watch(struct session *s, int what)
544 if (!s->watchlist[what].fun)
546 http_remove_observer(s->watchlist[what].obs);
547 (*s->watchlist[what].fun)(s->watchlist[what].data);
548 s->watchlist[what].fun = 0;
549 s->watchlist[what].data = 0;
550 s->watchlist[what].obs = 0;
553 //callback for grep_databases
554 static void select_targets_callback(void *context, struct session_database *db)
556 struct session *se = (struct session*) context;
557 struct client *cl = client_create();
558 client_set_database(cl, db);
559 client_set_session(cl, se);
562 // Associates a set of clients with a session;
563 // Note: Session-databases represent databases with per-session
565 int select_targets(struct session *se, struct database_criterion *crit)
568 client_destroy(se->clients);
570 return session_grep_databases(se, crit, select_targets_callback);
573 int session_active_clients(struct session *s)
578 for (c = s->clients; c; c = client_next_in_session(c))
579 if (client_is_active(c))
585 // parses crit1=val1,crit2=val2|val3,...
586 static struct database_criterion *parse_filter(NMEM m, const char *buf)
588 struct database_criterion *res = 0;
595 nmem_strsplit(m, ",", buf, &values, &num);
596 for (i = 0; i < num; i++)
601 struct database_criterion *new = nmem_malloc(m, sizeof(*new));
602 char *eq = strchr(values[i], '=');
605 yaz_log(YLOG_WARN, "Missing equal-sign in filter");
609 new->name = values[i];
610 nmem_strsplit(m, "|", eq, &subvalues, &subnum);
612 for (subi = 0; subi < subnum; subi++)
614 struct database_criterion_value *newv
615 = nmem_malloc(m, sizeof(*newv));
616 newv->value = subvalues[subi];
617 newv->next = new->values;
626 enum pazpar2_error_code search(struct session *se,
627 char *query, char *filter,
628 const char **addinfo)
630 int live_channels = 0;
634 struct database_criterion *criteria;
636 yaz_log(YLOG_DEBUG, "Search");
639 nmem_reset(se->nmem);
640 criteria = parse_filter(se->nmem, filter);
642 live_channels = select_targets(se, criteria);
645 int maxrecs = live_channels * global_parameters.toget;
646 se->num_termlists = 0;
647 se->reclist = reclist_create(se->nmem, maxrecs);
648 // This will be initialized in send_search()
649 se->total_records = se->total_hits = se->total_merged = 0;
650 se->expected_maxrecs = maxrecs;
653 return PAZPAR2_NO_TARGETS;
657 for (cl = se->clients; cl; cl = client_next_in_session(cl))
659 if (prepare_session_database(se, client_get_database(cl)) < 0)
661 *addinfo = client_get_database(cl)->database->url;
662 return PAZPAR2_CONFIG_TARGET;
664 // Parse query for target
665 if (client_parse_query(cl, query) < 0)
670 client_prep_connection(cl);
674 // If no queries could be mapped, we signal an error
678 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
680 return PAZPAR2_NO_ERROR;
683 // Creates a new session_database object for a database
684 static void session_init_databases_fun(void *context, struct database *db)
686 struct session *se = (struct session *) context;
687 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
688 int num = settings_num();
695 if (global_parameters.server && global_parameters.server->icu_chn)
696 new->pct = pp2_charset_create(global_parameters.server->icu_chn);
698 new->pct = pp2_charset_create(0);
700 new->pct = pp2_charset_create(0);
705 = nmem_malloc(se->session_nmem, sizeof(struct settings *) * num);
706 memset(new->settings, 0, sizeof(struct settings*) * num);
710 for (i = 0; i < num; i++)
711 new->settings[i] = db->settings[i];
713 new->next = se->databases;
717 // Doesn't free memory associated with sdb -- nmem takes care of that
718 static void session_database_destroy(struct session_database *sdb)
720 struct database_retrievalmap *m;
722 for (m = sdb->map; m; m = m->next)
723 xsltFreeStylesheet(m->stylesheet);
725 yaz_marc_destroy(sdb->yaz_marc);
727 pp2_charset_destroy(sdb->pct);
730 // Initialize session_database list -- this represents this session's view
731 // of the database list -- subject to modification by the settings ws command
732 void session_init_databases(struct session *se)
735 predef_grep_databases(se, 0, session_init_databases_fun);
738 // Probably session_init_databases_fun should be refactored instead of
740 static struct session_database *load_session_database(struct session *se,
743 struct database *db = find_database(id, 0);
745 session_init_databases_fun((void*) se, db);
746 // New sdb is head of se->databases list
747 return se->databases;
750 // Find an existing session database. If not found, load it
751 static struct session_database *find_session_database(struct session *se,
754 struct session_database *sdb;
756 for (sdb = se->databases; sdb; sdb = sdb->next)
757 if (!strcmp(sdb->database->url, id))
759 return load_session_database(se, id);
762 // Apply a session override to a database
763 void session_apply_setting(struct session *se, char *dbname, char *setting,
766 struct session_database *sdb = find_session_database(se, dbname);
767 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
768 int offset = settings_offset_cprefix(setting);
772 yaz_log(YLOG_WARN, "Unknown setting %s", setting);
775 // Jakub: This breaks the filter setting.
776 /*if (offset == PZ_ID)
778 yaz_log(YLOG_WARN, "No need to set pz:id setting. Ignoring");
782 new->target = dbname;
785 new->next = sdb->settings[offset];
786 sdb->settings[offset] = new;
788 // Force later recompute of settings-driven data structures
789 // (happens when a search starts and client connections are prepared)
792 case PZ_NATIVESYNTAX:
795 yaz_marc_destroy(sdb->yaz_marc);
802 struct database_retrievalmap *m;
803 // We don't worry about the map structure -- it's in nmem
804 for (m = sdb->map; m; m = m->next)
805 xsltFreeStylesheet(m->stylesheet);
812 void destroy_session(struct session *s)
814 struct session_database *sdb;
817 client_destroy(s->clients);
818 for (sdb = s->databases; sdb; sdb = sdb->next)
819 session_database_destroy(sdb);
820 nmem_destroy(s->nmem);
821 wrbuf_destroy(s->wrbuf);
824 struct session *new_session(NMEM nmem)
827 struct session *session = nmem_malloc(nmem, sizeof(*session));
829 yaz_log(YLOG_DEBUG, "New Pazpar2 session");
831 session->relevance = 0;
832 session->total_hits = 0;
833 session->total_records = 0;
834 session->num_termlists = 0;
835 session->reclist = 0;
836 session->requestid = -1;
837 session->clients = 0;
838 session->expected_maxrecs = 0;
839 session->session_nmem = nmem;
840 session->nmem = nmem_create();
841 session->wrbuf = wrbuf_alloc();
842 session->databases = 0;
843 for (i = 0; i <= SESSION_WATCH_MAX; i++)
845 session->watchlist[i].data = 0;
846 session->watchlist[i].fun = 0;
852 struct hitsbytarget *hitsbytarget(struct session *se, int *count)
854 static struct hitsbytarget res[1000]; // FIXME MM
858 for (cl = se->clients; cl; cl = client_next_in_session(cl))
860 char *name = session_setting_oneval(client_get_database(cl), PZ_NAME);
862 res[*count].id = client_get_database(cl)->database->url;
863 res[*count].name = *name ? name : "Unknown";
864 res[*count].hits = client_get_hits(cl);
865 res[*count].records = client_get_num_records(cl);
866 res[*count].diagnostic = client_get_diagnostic(cl);
867 res[*count].state = client_get_state_str(cl);
868 res[*count].connected = client_get_connection(cl) ? 1 : 0;
875 struct termlist_score **termlist(struct session *s, const char *name, int *num)
879 for (i = 0; i < s->num_termlists; i++)
880 if (!strcmp((const char *) s->termlists[i].name, name))
881 return termlist_highscore(s->termlists[i].termlist, num);
885 #ifdef MISSING_HEADERS
886 void report_nmem_stats(void)
888 size_t in_use, is_free;
890 nmem_get_memory_in_use(&in_use);
891 nmem_get_memory_free(&is_free);
893 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
894 (long) in_use, (long) is_free);
898 struct record_cluster *show_single(struct session *s, const char *id)
900 struct record_cluster *r;
902 reclist_rewind(s->reclist);
903 while ((r = reclist_read_record(s->reclist)))
904 if (!strcmp(r->recid, id))
909 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp,
910 int start, int *num, int *total, int *sumhits,
913 struct record_cluster **recs = nmem_malloc(nmem_show, *num
914 * sizeof(struct record_cluster *));
915 struct reclist_sortparms *spp;
918 yaz_timing_t t = yaz_timing_create();
930 for (spp = sp; spp; spp = spp->next)
931 if (spp->type == Metadata_sortkey_relevance)
933 relevance_prepare_read(s->relevance, s->reclist);
936 reclist_sort(s->reclist, sp);
938 *total = s->reclist->num_records;
939 *sumhits = s->total_hits;
941 for (i = 0; i < start; i++)
942 if (!reclist_read_record(s->reclist))
949 for (i = 0; i < *num; i++)
951 struct record_cluster *r = reclist_read_record(s->reclist);
962 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
963 yaz_timing_get_real(t), yaz_timing_get_user(t),
964 yaz_timing_get_sys(t));
965 yaz_timing_destroy(&t);
970 void statistics(struct session *se, struct statistics *stat)
975 memset(stat, 0, sizeof(*stat));
976 for (cl = se->clients; cl; cl = client_next_in_session(cl))
978 if (!client_get_connection(cl))
979 stat->num_no_connection++;
980 switch (client_get_state(cl))
982 case Client_Connecting: stat->num_connecting++; break;
983 case Client_Initializing: stat->num_initializing++; break;
984 case Client_Searching: stat->num_searching++; break;
985 case Client_Presenting: stat->num_presenting++; break;
986 case Client_Idle: stat->num_idle++; break;
987 case Client_Failed: stat->num_failed++; break;
988 case Client_Error: stat->num_error++; break;
993 stat->num_hits = se->total_hits;
994 stat->num_records = se->total_records;
996 stat->num_clients = count;
999 void start_http_listener(void)
1002 struct conf_server *ser = global_parameters.server;
1004 if (*global_parameters.listener_override)
1005 strcpy(hp, global_parameters.listener_override);
1008 strcpy(hp, ser->host ? ser->host : "");
1013 sprintf(hp + strlen(hp), "%d", ser->port);
1019 void start_proxy(void)
1022 struct conf_server *ser = global_parameters.server;
1024 if (*global_parameters.proxy_override)
1025 strcpy(hp, global_parameters.proxy_override);
1026 else if (ser->proxy_host || ser->proxy_port)
1028 strcpy(hp, ser->proxy_host ? ser->proxy_host : "");
1029 if (ser->proxy_port)
1033 sprintf(hp + strlen(hp), "%d", ser->proxy_port);
1039 http_set_proxyaddr(hp, ser->myurl ? ser->myurl : "");
1043 // Master list of connections we're handling events to
1044 static IOCHAN channel_list = 0;
1045 void pazpar2_add_channel(IOCHAN chan)
1047 chan->next = channel_list;
1048 channel_list = chan;
1051 void pazpar2_event_loop()
1053 event_loop(&channel_list);
1056 static struct record_metadata *record_metadata_init(
1057 NMEM nmem, char *value, enum conf_metadata_type type)
1059 struct record_metadata *rec_md = record_metadata_create(nmem);
1060 if (type == Metadata_type_generic)
1063 p = normalize7bit_generic(p, " ,/.:([");
1065 rec_md->data.text = nmem_strdup(nmem, p);
1067 else if (type == Metadata_type_year)
1070 if (extract7bit_years((char *) value, &first, &last) < 0)
1072 rec_md->data.number.min = first;
1073 rec_md->data.number.max = last;
1080 struct record *ingest_record(struct client *cl, Z_External *rec,
1083 xmlDoc *xdoc = normalize_record(client_get_database(cl),
1084 client_get_session(cl), rec);
1086 struct record *record;
1087 struct record_cluster *cluster;
1088 struct session *se = client_get_session(cl);
1089 xmlChar *mergekey, *mergekey_norm;
1092 struct conf_service *service = global_parameters.server->service;
1097 root = xmlDocGetRootElement(xdoc);
1098 if (!(mergekey = xmlGetProp(root, (xmlChar *) "mergekey")))
1100 yaz_log(YLOG_WARN, "No mergekey found in record");
1105 record = record_create(se->nmem,
1106 service->num_metadata, service->num_sortkeys, cl,
1109 mergekey_norm = (xmlChar *) nmem_strdup(se->nmem, (char*) mergekey);
1111 normalize7bit_mergekey((char *) mergekey_norm, 0);
1113 cluster = reclist_insert(se->reclist,
1114 global_parameters.server->service,
1115 record, (char *) mergekey_norm,
1117 if (global_parameters.dump_records)
1118 yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
1119 client_get_database(cl)->database->url, record_no);
1122 /* no room for record */
1126 relevance_newrec(se->relevance, cluster);
1129 // now parsing XML record and adding data to cluster or record metadata
1130 for (n = root->children; n; n = n->next)
1138 if (n->type != XML_ELEMENT_NODE)
1140 if (!strcmp((const char *) n->name, "metadata"))
1142 struct conf_metadata *ser_md = 0;
1143 struct conf_sortkey *ser_sk = 0;
1144 struct record_metadata **wheretoput = 0;
1145 struct record_metadata *rec_md = 0;
1146 int md_field_id = -1;
1147 int sk_field_id = -1;
1149 type = xmlGetProp(n, (xmlChar *) "type");
1150 value = xmlNodeListGetString(xdoc, n->children, 1);
1152 if (!type || !value)
1156 = conf_service_metadata_field_id(service, (const char *) type);
1157 if (md_field_id < 0)
1160 "Ignoring unknown metadata element: %s", type);
1164 ser_md = &service->metadata[md_field_id];
1166 if (ser_md->sortkey_offset >= 0){
1167 sk_field_id = ser_md->sortkey_offset;
1168 ser_sk = &service->sortkeys[sk_field_id];
1171 // non-merged metadata
1172 rec_md = record_metadata_init(se->nmem, (char *) value,
1176 yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
1180 rec_md->next = record->metadata[md_field_id];
1181 record->metadata[md_field_id] = rec_md;
1184 rec_md = record_metadata_init(se->nmem, (char *) value,
1186 wheretoput = &cluster->metadata[md_field_id];
1188 // and polulate with data:
1189 // assign cluster or record based on merge action
1190 if (ser_md->merge == Metadata_merge_unique)
1192 struct record_metadata *mnode;
1193 for (mnode = *wheretoput; mnode; mnode = mnode->next)
1194 if (!strcmp((const char *) mnode->data.text,
1199 rec_md->next = *wheretoput;
1200 *wheretoput = rec_md;
1203 else if (ser_md->merge == Metadata_merge_longest)
1206 || strlen(rec_md->data.text)
1207 > strlen((*wheretoput)->data.text))
1209 *wheretoput = rec_md;
1212 char *s = nmem_strdup(se->nmem, rec_md->data.text);
1213 if (!cluster->sortkeys[sk_field_id])
1214 cluster->sortkeys[sk_field_id] =
1215 nmem_malloc(se->nmem,
1216 sizeof(union data_types));
1217 normalize7bit_mergekey(s,
1218 (ser_sk->type == Metadata_sortkey_skiparticle));
1219 cluster->sortkeys[sk_field_id]->text = s;
1223 else if (ser_md->merge == Metadata_merge_all)
1225 rec_md->next = *wheretoput;
1226 *wheretoput = rec_md;
1228 else if (ser_md->merge == Metadata_merge_range)
1232 *wheretoput = rec_md;
1234 cluster->sortkeys[sk_field_id]
1239 int this_min = rec_md->data.number.min;
1240 int this_max = rec_md->data.number.max;
1241 if (this_min < (*wheretoput)->data.number.min)
1242 (*wheretoput)->data.number.min = this_min;
1243 if (this_max > (*wheretoput)->data.number.max)
1244 (*wheretoput)->data.number.max = this_max;
1249 union data_types *sdata
1250 = cluster->sortkeys[sk_field_id];
1251 yaz_log(YLOG_LOG, "SK range: %d-%d",
1252 sdata->number.min, sdata->number.max);
1258 // ranking of _all_ fields enabled ...
1260 relevance_countwords(se->relevance, cluster,
1261 (char *) value, ser_md->rank);
1263 // construct facets ...
1264 if (ser_md->termlist)
1266 if (ser_md->type == Metadata_type_year)
1269 sprintf(year, "%d", rec_md->data.number.max);
1270 add_facet(se, (char *) type, year);
1271 if (rec_md->data.number.max != rec_md->data.number.min)
1273 sprintf(year, "%d", rec_md->data.number.min);
1274 add_facet(se, (char *) type, year);
1278 add_facet(se, (char *) type, (char *) value);
1288 "Unexpected element %s in internal record", n->name);
1297 relevance_donerecord(se->relevance, cluster);
1298 se->total_records++;
1308 * indent-tabs-mode: nil
1310 * vim: shiftwidth=4 tabstop=8 expandtab