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
45 #include <yaz/marcdisp.h>
46 #include <yaz/comstack.h>
47 #include <yaz/tcpip.h>
48 #include <yaz/proto.h>
49 #include <yaz/readconf.h>
50 #include <yaz/pquery.h>
51 #include <yaz/otherinfo.h>
52 #include <yaz/yaz-util.h>
54 #include <yaz/query-charset.h>
55 #include <yaz/querytowrbuf.h>
56 #include <yaz/oid_db.h>
57 #include <yaz/snprintf.h>
58 #include <yaz/gettimeofday.h>
62 #include <yaz/timing.h>
66 #include "parameters.h"
70 #include "termlists.h"
72 #include "relevance.h"
76 #include "normalize7bit.h"
78 #define TERMLIST_HIGH_SCORE 25
82 // Note: Some things in this structure will eventually move to configuration
83 struct parameters global_parameters =
90 struct client *client;
91 struct client_list *next;
94 static void log_xml_doc(xmlDoc *doc)
96 FILE *lf = yaz_log_file();
99 #if LIBXML_VERSION >= 20600
100 xmlDocDumpFormatMemory(doc, &result, &len, 1);
102 xmlDocDumpMemory(doc, &result, &len);
106 (void) fwrite(result, 1, len, lf);
112 static void session_enter(struct session *s)
114 yaz_mutex_enter(s->session_mutex);
117 static void session_leave(struct session *s)
119 yaz_mutex_leave(s->session_mutex);
122 // Recursively traverse query structure to extract terms.
123 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
135 pull_terms(nmem, n->u.p[0], termlist, num);
136 pull_terms(nmem, n->u.p[1], termlist, num);
139 nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
140 for (i = 0; i < numwords; i++)
141 termlist[(*num)++] = words[i];
149 static void add_facet(struct session *s, const char *type, const char *value)
155 for (i = 0; i < s->num_termlists; i++)
156 if (!strcmp(s->termlists[i].name, type))
158 if (i == s->num_termlists)
160 if (i == SESSION_MAX_TERMLISTS)
162 yaz_log(YLOG_FATAL, "Too many termlists");
166 s->termlists[i].name = nmem_strdup(s->nmem, type);
167 s->termlists[i].termlist
168 = termlist_create(s->nmem, TERMLIST_HIGH_SCORE);
169 s->num_termlists = i + 1;
171 termlist_insert(s->termlists[i].termlist, value);
174 static xmlDoc *record_to_xml(struct session_database *sdb, const char *rec)
176 struct database *db = sdb->database;
179 rdoc = xmlParseMemory(rec, strlen(rec));
183 yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
188 if (global_parameters.dump_records)
190 yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
197 #define MAX_XSLT_ARGS 16
199 // Add static values from session database settings if applicable
200 static void insert_settings_parameters(struct session_database *sdb,
201 struct conf_service *service,
209 for (i = 0; i < service->num_metadata; i++)
211 struct conf_metadata *md = &service->metadata[i];
214 if (md->setting == Metadata_setting_parameter &&
215 (setting = settings_lookup_offset(service, md->name)) >= 0)
217 const char *val = session_setting_oneval(sdb, setting);
218 if (val && nparms < MAX_XSLT_ARGS)
221 int len = strlen(val);
222 buf = nmem_malloc(nmem, len + 3);
224 strcpy(buf + 1, val);
227 parms[offset++] = md->name;
228 parms[offset++] = buf;
236 // Add static values from session database settings if applicable
237 static void insert_settings_values(struct session_database *sdb, xmlDoc *doc,
238 struct conf_service *service)
242 for (i = 0; i < service->num_metadata; i++)
244 struct conf_metadata *md = &service->metadata[i];
247 if (md->setting == Metadata_setting_postproc &&
248 (offset = settings_lookup_offset(service, md->name)) >= 0)
250 const char *val = session_setting_oneval(sdb, offset);
253 xmlNode *r = xmlDocGetRootElement(doc);
254 xmlNode *n = xmlNewTextChild(r, 0, (xmlChar *) "metadata",
256 xmlSetProp(n, (xmlChar *) "type", (xmlChar *) md->name);
262 static xmlDoc *normalize_record(struct session_database *sdb,
263 struct conf_service *service,
264 const char *rec, NMEM nmem)
266 xmlDoc *rdoc = record_to_xml(sdb, rec);
270 char *parms[MAX_XSLT_ARGS*2+1];
272 insert_settings_parameters(sdb, service, parms, nmem);
274 if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
276 yaz_log(YLOG_WARN, "Normalize failed from %s", sdb->database->url);
280 insert_settings_values(sdb, rdoc, service);
282 if (global_parameters.dump_records)
284 yaz_log(YLOG_LOG, "Normalized record from %s",
293 void session_settings_dump(struct session *se,
294 struct session_database *db,
299 int i, num = db->num_settings;
300 for (i = 0; i < num; i++)
302 struct setting *s = db->settings[i];
303 for (;s ; s = s->next)
305 wrbuf_puts(w, "<set name=\"");
306 wrbuf_xmlputs(w, s->name);
307 wrbuf_puts(w, "\" value=\"");
308 wrbuf_xmlputs(w, s->value);
309 wrbuf_puts(w, "\"/>");
317 // Retrieve first defined value for 'name' for given database.
318 // Will be extended to take into account user associated with session
319 const char *session_setting_oneval(struct session_database *db, int offset)
321 if (offset >= db->num_settings || !db->settings[offset])
323 return db->settings[offset]->value;
326 // Prepare XSLT stylesheets for record normalization
327 // Structures are allocated on the session_wide nmem to avoid having
328 // to recompute this for every search. This would lead
329 // to leaking if a single session was to repeatedly change the PZ_XSLT
330 // setting. However, this is not a realistic use scenario.
331 static int prepare_map(struct session *se, struct session_database *sdb)
337 yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
340 if ((s = session_setting_oneval(sdb, PZ_XSLT)))
342 char auto_stylesheet[256];
344 if (!strcmp(s, "auto"))
346 const char *request_syntax = session_setting_oneval(
347 sdb, PZ_REQUESTSYNTAX);
351 yaz_snprintf(auto_stylesheet, sizeof(auto_stylesheet),
352 "%s.xsl", request_syntax);
353 for (cp = auto_stylesheet; *cp; cp++)
355 /* deliberately only consider ASCII */
356 if (*cp > 32 && *cp < 127)
363 yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
366 sdb->map = normalize_cache_get(se->normalize_cache,
367 se->service->server->config, s);
374 // This analyzes settings and recomputes any supporting data structures
376 static int prepare_session_database(struct session *se,
377 struct session_database *sdb)
382 "No settings associated with %s", sdb->database->url);
385 if (sdb->settings[PZ_XSLT] && !sdb->map)
387 if (prepare_map(se, sdb) < 0)
393 // called if watch should be removed because http_channel is to be destroyed
394 static void session_watch_cancel(void *data, struct http_channel *c,
397 struct session_watchentry *ent = data;
404 // set watch. Returns 0=OK, -1 if watch is already set
405 int session_set_watch(struct session *s, int what,
406 session_watchfun fun, void *data,
407 struct http_channel *chan)
411 if (s->watchlist[what].fun)
416 s->watchlist[what].fun = fun;
417 s->watchlist[what].data = data;
418 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
419 session_watch_cancel);
426 void session_alert_watch(struct session *s, int what)
430 if (s->watchlist[what].fun)
432 /* our watch is no longer associated with http_channel */
434 session_watchfun fun;
436 http_remove_observer(s->watchlist[what].obs);
437 fun = s->watchlist[what].fun;
438 data = s->watchlist[what].data;
440 /* reset watch before fun is invoked - in case fun wants to set
442 s->watchlist[what].fun = 0;
443 s->watchlist[what].data = 0;
444 s->watchlist[what].obs = 0;
453 //callback for grep_databases
454 static void select_targets_callback(void *context, struct session_database *db)
456 struct session *se = (struct session*) context;
457 struct client *cl = client_create();
458 struct client_list *l;
459 client_set_database(cl, db);
461 client_set_session(cl, se);
462 l = xmalloc(sizeof(*l));
464 l->next = se->clients;
468 static void session_remove_clients(struct session *se)
470 struct client_list *l;
479 struct client_list *l_next = l->next;
480 client_lock(l->client);
481 client_set_session(l->client, 0);
482 client_set_database(l->client, 0);
483 client_unlock(l->client);
484 client_destroy(l->client);
490 // Associates a set of clients with a session;
491 // Note: Session-databases represent databases with per-session
493 static int select_targets(struct session *se, const char *filter)
495 return session_grep_databases(se, filter, select_targets_callback);
498 int session_active_clients(struct session *s)
500 struct client_list *l;
503 for (l = s->clients; l; l = l->next)
504 if (client_is_active(l->client))
511 enum pazpar2_error_code search(struct session *se,
513 const char *startrecs, const char *maxrecs,
515 const char **addinfo)
517 int live_channels = 0;
520 struct client_list *l;
523 yaz_log(YLOG_DEBUG, "Search");
527 session_remove_clients(se);
530 reclist_destroy(se->reclist);
532 relevance_destroy(&se->relevance);
533 nmem_reset(se->nmem);
534 se->total_records = se->total_hits = se->total_merged = 0;
535 se->num_termlists = 0;
536 live_channels = select_targets(se, filter);
540 return PAZPAR2_NO_TARGETS;
542 se->reclist = reclist_create(se->nmem);
544 yaz_gettimeofday(&tval);
548 for (l = se->clients; l; l = l->next)
550 struct client *cl = l->client;
553 client_set_maxrecs(cl, atoi(maxrecs));
555 client_set_startrecs(cl, atoi(startrecs));
556 if (prepare_session_database(se, client_get_database(cl)) < 0)
558 else if (client_parse_query(cl, query) < 0)
563 if (client_prep_connection(cl, se->service->z3950_operation_timeout,
564 se->service->z3950_session_timeout,
565 se->service->server->iochan_man,
567 client_start_search(cl);
576 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
579 return PAZPAR2_NO_TARGETS;
581 return PAZPAR2_NO_ERROR;
584 // Creates a new session_database object for a database
585 static void session_init_databases_fun(void *context, struct database *db)
587 struct session *se = (struct session *) context;
588 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
594 assert(db->settings);
595 new->settings = nmem_malloc(se->session_nmem,
596 sizeof(struct settings *) * db->num_settings);
597 new->num_settings = db->num_settings;
598 for (i = 0; i < db->num_settings; i++)
600 struct setting *setting = db->settings[i];
601 new->settings[i] = setting;
603 new->next = se->databases;
607 // Doesn't free memory associated with sdb -- nmem takes care of that
608 static void session_database_destroy(struct session_database *sdb)
613 // Initialize session_database list -- this represents this session's view
614 // of the database list -- subject to modification by the settings ws command
615 void session_init_databases(struct session *se)
618 predef_grep_databases(se, se->service, session_init_databases_fun);
621 // Probably session_init_databases_fun should be refactored instead of
623 static struct session_database *load_session_database(struct session *se,
626 struct database *db = new_database(id, se->session_nmem);
628 resolve_database(se->service, db);
630 session_init_databases_fun((void*) se, db);
632 // New sdb is head of se->databases list
633 return se->databases;
636 // Find an existing session database. If not found, load it
637 static struct session_database *find_session_database(struct session *se,
640 struct session_database *sdb;
642 for (sdb = se->databases; sdb; sdb = sdb->next)
643 if (!strcmp(sdb->database->url, id))
645 return load_session_database(se, id);
648 // Apply a session override to a database
649 void session_apply_setting(struct session *se, char *dbname, char *setting,
652 struct session_database *sdb = find_session_database(se, dbname);
653 struct conf_service *service = se->service;
654 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
655 int offset = settings_create_offset(service, setting);
657 expand_settings_array(&sdb->settings, &sdb->num_settings, offset,
660 new->target = dbname;
663 new->next = sdb->settings[offset];
664 sdb->settings[offset] = new;
666 // Force later recompute of settings-driven data structures
667 // (happens when a search starts and client connections are prepared)
679 void destroy_session(struct session *se)
681 struct session_database *sdb;
683 yaz_log(YLOG_DEBUG, "%p Pazpar2 session destroy", se);
684 session_remove_clients(se);
686 for (sdb = se->databases; sdb; sdb = sdb->next)
687 session_database_destroy(sdb);
688 normalize_cache_destroy(se->normalize_cache);
689 relevance_destroy(&se->relevance);
690 reclist_destroy(se->reclist);
691 nmem_destroy(se->nmem);
692 service_destroy(se->service);
693 yaz_mutex_destroy(&se->session_mutex);
694 wrbuf_destroy(se->wrbuf);
697 struct session *new_session(NMEM nmem, struct conf_service *service,
701 struct session *session = nmem_malloc(nmem, sizeof(*session));
703 yaz_log(YLOG_DEBUG, "%p New Pazpar2 session", session);
705 session->service = service;
706 session->relevance = 0;
707 session->total_hits = 0;
708 session->total_records = 0;
709 session->number_of_warnings_unknown_elements = 0;
710 session->number_of_warnings_unknown_metadata = 0;
711 session->num_termlists = 0;
712 session->reclist = 0;
713 session->clients = 0;
714 session->session_nmem = nmem;
715 session->nmem = nmem_create();
716 session->wrbuf = wrbuf_alloc();
717 session->databases = 0;
718 for (i = 0; i <= SESSION_WATCH_MAX; i++)
720 session->watchlist[i].data = 0;
721 session->watchlist[i].fun = 0;
723 session->normalize_cache = normalize_cache_create();
724 session->session_mutex = 0;
725 pazpar2_mutex_create(&session->session_mutex, name);
730 struct hitsbytarget *hitsbytarget(struct session *se, int *count, NMEM nmem)
732 struct hitsbytarget *res = 0;
733 struct client_list *l;
737 for (l = se->clients; l; l = l->next)
740 res = nmem_malloc(nmem, sizeof(*res) * sz);
742 for (l = se->clients; l; l = l->next)
744 struct client *cl = l->client;
745 WRBUF w = wrbuf_alloc();
746 const char *name = session_setting_oneval(client_get_database(cl),
749 res[*count].id = client_get_database(cl)->database->url;
750 res[*count].name = *name ? name : "Unknown";
751 res[*count].hits = client_get_hits(cl);
752 res[*count].records = client_get_num_records(cl);
753 res[*count].diagnostic = client_get_diagnostic(cl);
754 res[*count].state = client_get_state_str(cl);
755 res[*count].connected = client_get_connection(cl) ? 1 : 0;
756 session_settings_dump(se, client_get_database(cl), w);
757 res[*count].settings_xml = w;
764 struct termlist_score **termlist(struct session *se, const char *name, int *num)
767 struct termlist_score **tl = 0;
770 for (i = 0; i < se->num_termlists; i++)
771 if (!strcmp((const char *) se->termlists[i].name, name))
773 tl = termlist_highscore(se->termlists[i].termlist, num);
780 #ifdef MISSING_HEADERS
781 void report_nmem_stats(void)
783 size_t in_use, is_free;
785 nmem_get_memory_in_use(&in_use);
786 nmem_get_memory_free(&is_free);
788 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
789 (long) in_use, (long) is_free);
793 struct record_cluster *show_single_start(struct session *se, const char *id,
794 struct record_cluster **prev_r,
795 struct record_cluster **next_r)
797 struct record_cluster *r;
800 reclist_enter(se->reclist);
803 while ((r = reclist_read_record(se->reclist)))
805 if (!strcmp(r->recid, id))
807 *next_r = reclist_read_record(se->reclist);
812 reclist_leave(se->reclist);
818 void show_single_stop(struct session *se, struct record_cluster *rec)
823 struct record_cluster **show_range_start(struct session *se,
824 struct reclist_sortparms *sp,
825 int start, int *num, int *total, Odr_int *sumhits)
827 struct record_cluster **recs;
828 struct reclist_sortparms *spp;
831 yaz_timing_t t = yaz_timing_create();
834 recs = nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
844 for (spp = sp; spp; spp = spp->next)
845 if (spp->type == Metadata_sortkey_relevance)
847 relevance_prepare_read(se->relevance, se->reclist);
850 reclist_sort(se->reclist, sp);
852 reclist_enter(se->reclist);
853 *total = reclist_get_num_records(se->reclist);
854 *sumhits = se->total_hits;
856 for (i = 0; i < start; i++)
857 if (!reclist_read_record(se->reclist))
864 for (i = 0; i < *num; i++)
866 struct record_cluster *r = reclist_read_record(se->reclist);
874 reclist_leave(se->reclist);
878 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
879 yaz_timing_get_real(t), yaz_timing_get_user(t),
880 yaz_timing_get_sys(t));
881 yaz_timing_destroy(&t);
886 void show_range_stop(struct session *se, struct record_cluster **recs)
891 void statistics(struct session *se, struct statistics *stat)
893 struct client_list *l;
896 memset(stat, 0, sizeof(*stat));
897 for (l = se->clients; l; l = l->next)
899 struct client *cl = l->client;
900 if (!client_get_connection(cl))
901 stat->num_no_connection++;
902 switch (client_get_state(cl))
904 case Client_Connecting: stat->num_connecting++; break;
905 case Client_Working: stat->num_working++; break;
906 case Client_Idle: stat->num_idle++; break;
907 case Client_Failed: stat->num_failed++; break;
908 case Client_Error: stat->num_error++; break;
913 stat->num_hits = se->total_hits;
914 stat->num_records = se->total_records;
916 stat->num_clients = count;
919 static struct record_metadata *record_metadata_init(
920 NMEM nmem, const char *value, enum conf_metadata_type type,
921 struct _xmlAttr *attr)
923 struct record_metadata *rec_md = record_metadata_create(nmem);
924 struct record_metadata_attr **attrp = &rec_md->attributes;
926 for (; attr; attr = attr->next)
928 if (attr->children && attr->children->content)
930 if (strcmp((const char *) attr->name, "type"))
931 { /* skip the "type" attribute.. Its value is already part of
932 the element in output (md-%s) and so repeating it here
934 *attrp = nmem_malloc(nmem, sizeof(**attrp));
936 nmem_strdup(nmem, (const char *) attr->name);
938 nmem_strdup(nmem, (const char *) attr->children->content);
939 attrp = &(*attrp)->next;
945 if (type == Metadata_type_generic)
947 char *p = nmem_strdup(nmem, value);
949 p = normalize7bit_generic(p, " ,/.:([");
951 rec_md->data.text.disp = p;
952 rec_md->data.text.sort = 0;
954 else if (type == Metadata_type_year || type == Metadata_type_date)
959 if (type == Metadata_type_date)
961 if (extract7bit_dates((char *) value, &first, &last, longdate) < 0)
964 rec_md->data.number.min = first;
965 rec_md->data.number.max = last;
972 static int get_mergekey_from_doc(xmlDoc *doc, xmlNode *root, const char *name,
973 struct conf_service *service, WRBUF norm_wr)
977 for (n = root->children; n; n = n->next)
979 if (n->type != XML_ELEMENT_NODE)
981 if (!strcmp((const char *) n->name, "metadata"))
983 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
985 yaz_log(YLOG_FATAL, "Missing type attribute on metadata element. Skipping!");
987 else if (!strcmp(name, (const char *) type))
989 xmlChar *value = xmlNodeListGetString(doc, n->children, 1);
992 const char *norm_str;
993 pp2_relevance_token_t prt =
994 pp2_relevance_tokenize(service->mergekey_pct);
996 pp2_relevance_first(prt, (const char *) value, 0);
997 if (wrbuf_len(norm_wr) > 0)
998 wrbuf_puts(norm_wr, " ");
999 wrbuf_puts(norm_wr, name);
1001 pp2_relevance_token_next(prt)))
1005 wrbuf_puts(norm_wr, " ");
1006 wrbuf_puts(norm_wr, norm_str);
1010 pp2_relevance_token_destroy(prt);
1020 static const char *get_mergekey(xmlDoc *doc, struct client *cl, int record_no,
1021 struct conf_service *service, NMEM nmem)
1023 char *mergekey_norm = 0;
1024 xmlNode *root = xmlDocGetRootElement(doc);
1025 WRBUF norm_wr = wrbuf_alloc();
1027 /* consider mergekey from XSL first */
1028 xmlChar *mergekey = xmlGetProp(root, (xmlChar *) "mergekey");
1031 const char *norm_str;
1032 pp2_relevance_token_t prt =
1033 pp2_relevance_tokenize(service->mergekey_pct);
1035 pp2_relevance_first(prt, (const char *) mergekey, 0);
1036 while ((norm_str = pp2_relevance_token_next(prt)))
1040 if (wrbuf_len(norm_wr))
1041 wrbuf_puts(norm_wr, " ");
1042 wrbuf_puts(norm_wr, norm_str);
1045 pp2_relevance_token_destroy(prt);
1050 /* no mergekey defined in XSL. Look for mergekey metadata instead */
1052 for (field_id = 0; field_id < service->num_metadata; field_id++)
1054 struct conf_metadata *ser_md = &service->metadata[field_id];
1055 if (ser_md->mergekey != Metadata_mergekey_no)
1057 int r = get_mergekey_from_doc(doc, root, ser_md->name,
1059 if (r == 0 && ser_md->mergekey == Metadata_mergekey_required)
1061 /* no mergekey on this one and it is required..
1062 Generate unique key instead */
1063 wrbuf_rewind(norm_wr);
1070 /* generate unique key if none is not generated already or is empty */
1071 if (wrbuf_len(norm_wr) == 0)
1073 wrbuf_printf(norm_wr, "%s-%d",
1074 client_get_database(cl)->database->url, record_no);
1076 if (wrbuf_len(norm_wr) > 0)
1077 mergekey_norm = nmem_strdup(nmem, wrbuf_cstr(norm_wr));
1078 wrbuf_destroy(norm_wr);
1079 return mergekey_norm;
1082 /** \brief see if metadata for pz:recordfilter exists
1083 \param root xml root element of normalized record
1084 \param sdb session database for client
1085 \retval 0 if there is no metadata for pz:recordfilter
1086 \retval 1 if there is metadata for pz:recordfilter
1088 If there is no pz:recordfilter defined, this function returns 1
1092 static int check_record_filter(xmlNode *root, struct session_database *sdb)
1097 s = session_setting_oneval(sdb, PZ_RECORDFILTER);
1102 for (n = root->children; n; n = n->next)
1104 if (n->type != XML_ELEMENT_NODE)
1106 if (!strcmp((const char *) n->name, "metadata"))
1108 xmlChar *type = xmlGetProp(n, (xmlChar *) "type");
1112 const char *eq = strchr(s, '~');
1117 if (len == strlen((const char *)type) &&
1118 !memcmp((const char *) type, s, len))
1120 xmlChar *value = xmlNodeGetContent(n);
1121 if (value && *value)
1123 if (!eq || strstr((const char *) value, eq+1))
1136 static int ingest_to_cluster(struct client *cl,
1140 const char *mergekey_norm);
1142 /** \brief ingest XML record
1143 \param cl client holds the result set for record
1144 \param rec record buffer (0 terminated)
1145 \param record_no record position (1, 2, ..)
1146 \param nmem working NMEM
1150 int ingest_record(struct client *cl, const char *rec,
1151 int record_no, NMEM nmem)
1153 struct session *se = client_get_session(cl);
1155 struct session_database *sdb = client_get_database(cl);
1156 struct conf_service *service = se->service;
1157 xmlDoc *xdoc = normalize_record(sdb, service, rec, nmem);
1159 const char *mergekey_norm;
1164 root = xmlDocGetRootElement(xdoc);
1166 if (!check_record_filter(root, sdb))
1168 yaz_log(YLOG_WARN, "Filtered out record no %d from %s", record_no,
1169 sdb->database->url);
1174 mergekey_norm = get_mergekey(xdoc, cl, record_no, service, nmem);
1177 yaz_log(YLOG_WARN, "Got no mergekey");
1182 if (client_get_session(cl) == se)
1183 ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
1190 static int ingest_to_cluster(struct client *cl,
1194 const char *mergekey_norm)
1199 struct session_database *sdb = client_get_database(cl);
1200 struct session *se = client_get_session(cl);
1201 struct conf_service *service = se->service;
1202 struct record *record = record_create(se->nmem,
1203 service->num_metadata,
1204 service->num_sortkeys, cl,
1206 struct record_cluster *cluster = reclist_insert(se->reclist,
1213 if (global_parameters.dump_records)
1214 yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
1215 sdb->database->url, record_no);
1216 relevance_newrec(se->relevance, cluster);
1218 // now parsing XML record and adding data to cluster or record metadata
1219 for (n = root->children; n; n = n->next)
1221 pp2_relevance_token_t prt;
1228 if (n->type != XML_ELEMENT_NODE)
1230 if (!strcmp((const char *) n->name, "metadata"))
1232 struct conf_metadata *ser_md = 0;
1233 struct conf_sortkey *ser_sk = 0;
1234 struct record_metadata **wheretoput = 0;
1235 struct record_metadata *rec_md = 0;
1236 int md_field_id = -1;
1237 int sk_field_id = -1;
1239 type = xmlGetProp(n, (xmlChar *) "type");
1240 value = xmlNodeListGetString(xdoc, n->children, 1);
1242 if (!type || !value || !*value)
1246 = conf_service_metadata_field_id(service, (const char *) type);
1247 if (md_field_id < 0)
1249 if (se->number_of_warnings_unknown_metadata == 0)
1252 "Ignoring unknown metadata element: %s", type);
1254 se->number_of_warnings_unknown_metadata++;
1258 ser_md = &service->metadata[md_field_id];
1260 if (ser_md->sortkey_offset >= 0){
1261 sk_field_id = ser_md->sortkey_offset;
1262 ser_sk = &service->sortkeys[sk_field_id];
1265 // non-merged metadata
1266 rec_md = record_metadata_init(se->nmem, (const char *) value,
1267 ser_md->type, n->properties);
1270 yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
1274 wheretoput = &record->metadata[md_field_id];
1276 wheretoput = &(*wheretoput)->next;
1277 *wheretoput = rec_md;
1280 rec_md = record_metadata_init(se->nmem, (const char *) value,
1282 wheretoput = &cluster->metadata[md_field_id];
1284 // and polulate with data:
1285 // assign cluster or record based on merge action
1286 if (ser_md->merge == Metadata_merge_unique)
1288 struct record_metadata *mnode;
1289 for (mnode = *wheretoput; mnode; mnode = mnode->next)
1290 if (!strcmp((const char *) mnode->data.text.disp,
1291 rec_md->data.text.disp))
1295 rec_md->next = *wheretoput;
1296 *wheretoput = rec_md;
1299 else if (ser_md->merge == Metadata_merge_longest)
1302 || strlen(rec_md->data.text.disp)
1303 > strlen((*wheretoput)->data.text.disp))
1305 *wheretoput = rec_md;
1308 const char *sort_str = 0;
1310 ser_sk->type == Metadata_sortkey_skiparticle;
1312 if (!cluster->sortkeys[sk_field_id])
1313 cluster->sortkeys[sk_field_id] =
1314 nmem_malloc(se->nmem,
1315 sizeof(union data_types));
1317 prt = pp2_relevance_tokenize(service->sort_pct);
1319 pp2_relevance_first(prt, rec_md->data.text.disp,
1322 pp2_relevance_token_next(prt);
1324 sort_str = pp2_get_sort(prt);
1326 cluster->sortkeys[sk_field_id]->text.disp =
1327 rec_md->data.text.disp;
1330 sort_str = rec_md->data.text.disp;
1332 "Could not make sortkey. Bug #1858");
1334 cluster->sortkeys[sk_field_id]->text.sort =
1335 nmem_strdup(se->nmem, sort_str);
1337 yaz_log(YLOG_LOG, "text disp=%s",
1338 cluster->sortkeys[sk_field_id]->text.disp);
1339 yaz_log(YLOG_LOG, "text sort=%s",
1340 cluster->sortkeys[sk_field_id]->text.sort);
1342 pp2_relevance_token_destroy(prt);
1346 else if (ser_md->merge == Metadata_merge_all)
1348 rec_md->next = *wheretoput;
1349 *wheretoput = rec_md;
1351 else if (ser_md->merge == Metadata_merge_range)
1355 *wheretoput = rec_md;
1357 cluster->sortkeys[sk_field_id]
1362 int this_min = rec_md->data.number.min;
1363 int this_max = rec_md->data.number.max;
1364 if (this_min < (*wheretoput)->data.number.min)
1365 (*wheretoput)->data.number.min = this_min;
1366 if (this_max > (*wheretoput)->data.number.max)
1367 (*wheretoput)->data.number.max = this_max;
1372 // ranking of _all_ fields enabled ...
1374 relevance_countwords(se->relevance, cluster,
1375 (char *) value, ser_md->rank,
1378 // construct facets ...
1379 if (ser_md->termlist)
1381 if (ser_md->type == Metadata_type_year)
1384 sprintf(year, "%d", rec_md->data.number.max);
1385 add_facet(se, (char *) type, year);
1386 if (rec_md->data.number.max != rec_md->data.number.min)
1388 sprintf(year, "%d", rec_md->data.number.min);
1389 add_facet(se, (char *) type, year);
1393 add_facet(se, (char *) type, (char *) value);
1403 if (se->number_of_warnings_unknown_elements == 0)
1405 "Unexpected element in internal record: %s", n->name);
1406 se->number_of_warnings_unknown_elements++;
1414 relevance_donerecord(se->relevance, cluster);
1415 se->total_records++;
1423 * c-file-style: "Stroustrup"
1424 * indent-tabs-mode: nil
1426 * vim: shiftwidth=4 tabstop=8 expandtab