/* This file is part of Pazpar2.
- Copyright (C) 2006-2010 Index Data
+ Copyright (C) 2006-2011 Index Data
Pazpar2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
#include <signal.h>
#include <ctype.h>
#include <assert.h>
+#include <math.h>
#include <yaz/marcdisp.h>
#include <yaz/comstack.h>
#define MAX_CHUNK 15
+#define MAX(a,b) ((a)>(b)?(a):(b))
+
// Note: Some things in this structure will eventually move to configuration
struct parameters global_parameters =
{
0, // dump_records
- 0 // debug_mode
+ 0, // debug_mode
+ 0, // predictable sessions
};
struct client_list {
struct client_list *next;
};
+/* session counting (1) , disable client counting (0) */
+static YAZ_MUTEX g_session_mutex = 0;
+static int no_sessions = 0;
+static int no_session_total = 0;
+
+static int session_use(int delta)
+{
+ int sessions;
+ if (!g_session_mutex)
+ yaz_mutex_create(&g_session_mutex);
+ yaz_mutex_enter(g_session_mutex);
+ no_sessions += delta;
+ if (delta > 0)
+ no_session_total += delta;
+ sessions = no_sessions;
+ yaz_mutex_leave(g_session_mutex);
+ yaz_log(YLOG_DEBUG, "%s sesions=%d", delta == 0 ? "" : (delta > 0 ? "INC" : "DEC"), no_sessions);
+ return sessions;
+}
+
+int sessions_count(void) {
+ return session_use(0);
+}
+
+int session_count_total(void) {
+ int total = 0;
+ if (!g_session_mutex)
+ return 0;
+ yaz_mutex_enter(g_session_mutex);
+ total = no_session_total;
+ yaz_mutex_leave(g_session_mutex);
+ return total;
+}
+
+
static void log_xml_doc(xmlDoc *doc)
{
FILE *lf = yaz_log_file();
void add_facet(struct session *s, const char *type, const char *value, int count)
{
- int i;
-
- if (!*value)
- return;
- for (i = 0; i < s->num_termlists; i++)
- if (!strcmp(s->termlists[i].name, type))
- break;
- if (i == s->num_termlists)
+ struct conf_service *service = s->service;
+ pp2_relevance_token_t prt;
+ const char *facet_component;
+ WRBUF facet_wrbuf = wrbuf_alloc();
+ prt = pp2_relevance_tokenize(service->facet_pct);
+
+ pp2_relevance_first(prt, value, 0);
+ while ((facet_component = pp2_relevance_token_next(prt)))
{
- if (i == SESSION_MAX_TERMLISTS)
+ if (*facet_component)
{
- yaz_log(YLOG_FATAL, "Too many termlists");
- return;
+ if (wrbuf_len(facet_wrbuf))
+ wrbuf_puts(facet_wrbuf, " ");
+ wrbuf_puts(facet_wrbuf, facet_component);
}
-
- s->termlists[i].name = nmem_strdup(s->nmem, type);
- s->termlists[i].termlist
- = termlist_create(s->nmem, TERMLIST_HIGH_SCORE);
- s->num_termlists = i + 1;
}
- yaz_log(YLOG_DEBUG, "Session: facets for %s: %s (%d)", type, value, count);
-
- termlist_insert(s->termlists[i].termlist, value, count);
+ pp2_relevance_token_destroy(prt);
+
+ if (wrbuf_len(facet_wrbuf))
+ {
+ int i;
+ for (i = 0; i < s->num_termlists; i++)
+ if (!strcmp(s->termlists[i].name, type))
+ break;
+ if (i == s->num_termlists)
+ {
+ if (i == SESSION_MAX_TERMLISTS)
+ {
+ session_log(s, YLOG_FATAL, "Too many termlists");
+ wrbuf_destroy(facet_wrbuf);
+ return;
+ }
+
+ s->termlists[i].name = nmem_strdup(s->nmem, type);
+ s->termlists[i].termlist
+ = termlist_create(s->nmem, TERMLIST_HIGH_SCORE);
+ s->num_termlists = i + 1;
+ }
+
+#if 0
+ session_log(s, YLOG_DEBUG, "Facets for %s: %s norm:%s (%d)", type, value, wrbuf_cstr(facet_wrbuf), count);
+#endif
+ termlist_insert(s->termlists[i].termlist, wrbuf_cstr(facet_wrbuf),
+ count);
+ }
+ wrbuf_destroy(facet_wrbuf);
}
-static xmlDoc *record_to_xml(struct session_database *sdb, const char *rec)
+static xmlDoc *record_to_xml(struct session *se,
+ struct session_database *sdb, const char *rec)
{
struct database *db = sdb->database;
xmlDoc *rdoc = 0;
if (!rdoc)
{
- yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
- db->url);
+ session_log(se, YLOG_FATAL, "Non-wellformed XML received from %s",
+ db->url);
return 0;
}
if (global_parameters.dump_records)
{
- yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
+ session_log(se, YLOG_LOG, "Un-normalized record from %s", db->url);
log_xml_doc(rdoc);
}
}
}
-static xmlDoc *normalize_record(struct session_database *sdb,
+static xmlDoc *normalize_record(struct session *se,
+ struct session_database *sdb,
struct conf_service *service,
const char *rec, NMEM nmem)
{
- xmlDoc *rdoc = record_to_xml(sdb, rec);
+ xmlDoc *rdoc = record_to_xml(se, sdb, rec);
if (rdoc)
{
if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
{
- yaz_log(YLOG_WARN, "Normalize failed from %s", sdb->database->url);
+ session_log(se, YLOG_WARN, "Normalize failed from %s",
+ sdb->database->url);
}
else
{
if (global_parameters.dump_records)
{
- yaz_log(YLOG_LOG, "Normalized record from %s",
- sdb->database->url);
+ session_log(se, YLOG_LOG, "Normalized record from %s",
+ sdb->database->url);
log_xml_doc(rdoc);
}
}
if (!sdb->settings)
{
- yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
+ session_log(se, YLOG_WARN, "No settings on %s", sdb->database->url);
return -1;
}
if ((s = session_setting_oneval(sdb, PZ_XSLT)))
}
else
{
- yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
+ session_log(se, YLOG_WARN,
+ "No pz:requestsyntax for auto stylesheet");
}
}
sdb->map = normalize_cache_get(se->normalize_cache,
{
if (!sdb->settings)
{
- yaz_log(YLOG_WARN,
+ session_log(se, YLOG_WARN,
"No settings associated with %s", sdb->database->url);
return -1;
}
s->watchlist[what].obs = 0;
session_leave(s);
- yaz_log(YLOG_DEBUG, "session_alert_watch: %d calling function: %p", what, fun);
+ session_log(s, YLOG_DEBUG,
+ "Alert Watch: %d calling function: %p", what, fun);
fun(data);
}
else
client_set_database(cl, db);
client_set_session(cl, se);
+
l = xmalloc(sizeof(*l));
l->client = cl;
l->next = se->clients;
for (l = s->clients; l; l = l->next)
if (client_is_active_preferred(l->client))
res++;
- yaz_log(YLOG_DEBUG, "%p Session has %d active preferred clients.", s, res);
+ session_log(s, YLOG_DEBUG, "Has %d active preferred clients.", res);
return res == 0;
}
-
-
enum pazpar2_error_code search(struct session *se,
const char *query,
const char *startrecs, const char *maxrecs,
struct client_list *l;
struct timeval tval;
- yaz_log(YLOG_DEBUG, "Search");
+ session_log(se, YLOG_DEBUG, "Search");
*addinfo = 0;
}
}
-void destroy_session(struct session *se)
-{
+void session_destroy(struct session *se) {
struct session_database *sdb;
-
- yaz_log(YLOG_DEBUG, "%p Pazpar2 session destroy", se);
+ session_log(se, YLOG_DEBUG, "Destroying");
+ session_use(-1);
session_remove_clients(se);
for (sdb = se->databases; sdb; sdb = sdb->next)
wrbuf_destroy(se->wrbuf);
}
+/* Depreciated: use session_destroy */
+void destroy_session(struct session *se)
+{
+ session_destroy(se);
+}
+
+size_t session_get_memory_status(struct session *session) {
+ size_t session_nmem;
+ if (session == 0)
+ return 0;
+ session_enter(session);
+ session_nmem = nmem_total(session->nmem);
+ session_leave(session);
+ return session_nmem;
+}
+
+
struct session *new_session(NMEM nmem, struct conf_service *service,
- const char *name)
+ unsigned session_id)
{
int i;
struct session *session = nmem_malloc(nmem, sizeof(*session));
- yaz_log(YLOG_DEBUG, "%p New Pazpar2 session", session);
+ char tmp_str[50];
+
+ sprintf(tmp_str, "session#%u", session_id);
+ session->session_id = session_id;
+ session_log(session, YLOG_DEBUG, "New");
session->service = service;
session->relevance = 0;
session->total_hits = 0;
}
session->normalize_cache = normalize_cache_create();
session->session_mutex = 0;
- pazpar2_mutex_create(&session->session_mutex, name);
-
+ pazpar2_mutex_create(&session->session_mutex, tmp_str);
+ session_use(1);
return session;
}
res[*count].state = client_get_state_str(cl);
res[*count].connected = client_get_connection(cl) ? 1 : 0;
session_settings_dump(se, client_get_database(cl), w);
- res[*count].settings_xml = w;
+ res[*count].settings_xml = nmem_strdup(nmem, wrbuf_cstr(w));
+ wrbuf_destroy(w);
(*count)++;
}
session_leave(se);
return res;
}
-struct termlist_score **termlist(struct session *se, const char *name, int *num)
+struct termlist_score **get_termlist_score(struct session *se,
+ const char *name, int *num)
{
int i;
struct termlist_score **tl = 0;
struct record_cluster **prev_r,
struct record_cluster **next_r)
{
- struct record_cluster *r;
+ struct record_cluster *r = 0;
session_enter(se);
- reclist_enter(se->reclist);
*prev_r = 0;
*next_r = 0;
- while ((r = reclist_read_record(se->reclist)))
+ if (se->reclist)
{
- if (!strcmp(r->recid, id))
+ reclist_enter(se->reclist);
+ while ((r = reclist_read_record(se->reclist)))
{
- *next_r = reclist_read_record(se->reclist);
- break;
+ if (!strcmp(r->recid, id))
+ {
+ *next_r = reclist_read_record(se->reclist);
+ break;
+ }
+ *prev_r = r;
}
- *prev_r = r;
+ reclist_leave(se->reclist);
}
- reclist_leave(se->reclist);
if (!r)
session_leave(se);
return r;
\param nmem working NMEM
\retval 0 OK
\retval -1 failure
+ \retval -2 Filtered
*/
int ingest_record(struct client *cl, const char *rec,
int record_no, NMEM nmem)
int ret = 0;
struct session_database *sdb = client_get_database(cl);
struct conf_service *service = se->service;
- xmlDoc *xdoc = normalize_record(sdb, service, rec, nmem);
+ xmlDoc *xdoc = normalize_record(se, sdb, service, rec, nmem);
xmlNode *root;
const char *mergekey_norm;
if (!check_record_filter(root, sdb))
{
- yaz_log(YLOG_WARN, "Filtered out record no %d from %s", record_no,
- sdb->database->url);
+ session_log(se, YLOG_LOG, "Filtered out record no %d from %s",
+ record_no, sdb->database->url);
xmlFreeDoc(xdoc);
- return -1;
+ return -2;
}
mergekey_norm = get_mergekey(xdoc, cl, record_no, service, nmem);
if (!mergekey_norm)
{
- yaz_log(YLOG_WARN, "Got no mergekey");
+ session_log(se, YLOG_WARN, "Got no mergekey");
xmlFreeDoc(xdoc);
return -1;
}
record,
mergekey_norm,
&se->total_merged);
+
+ const char *use_term_factor_str = session_setting_oneval(sdb, PZ_TERMLIST_TERM_FACTOR);
+ int use_term_factor = 0;
+ int term_factor = 1;
+ if (use_term_factor_str && use_term_factor_str[0] != 0)
+ use_term_factor = atoi(use_term_factor_str);
+ if (use_term_factor) {
+ int maxrecs = client_get_maxrecs(cl);
+ int hits = (int) client_get_hits(cl);
+ term_factor = MAX(hits, maxrecs) / MAX(1, maxrecs);
+ assert(term_factor >= 1);
+ yaz_log(YLOG_DEBUG, "Using term factor: %d (%d / %d)", term_factor, MAX(hits, maxrecs), MAX(1, maxrecs));
+ }
+
if (!cluster)
return -1;
if (global_parameters.dump_records)
- yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
- sdb->database->url, record_no);
+ session_log(se, YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
+ sdb->database->url, record_no);
relevance_newrec(se->relevance, cluster);
// now parsing XML record and adding data to cluster or record metadata
{
if (se->number_of_warnings_unknown_metadata == 0)
{
- yaz_log(YLOG_WARN,
+ session_log(se, YLOG_WARN,
"Ignoring unknown metadata element: %s", type);
}
se->number_of_warnings_unknown_metadata++;
ser_md->type, n->properties);
if (!rec_md)
{
- yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
- value, type);
+ session_log(se, YLOG_WARN, "bad metadata data '%s' "
+ "for element '%s'", value, type);
continue;
}
wheretoput = &record->metadata[md_field_id];
if (!sort_str)
{
sort_str = rec_md->data.text.disp;
- yaz_log(YLOG_WARN,
+ session_log(se, YLOG_WARN,
"Could not make sortkey. Bug #1858");
}
cluster->sortkeys[sk_field_id]->text.sort =
nmem_strdup(se->nmem, sort_str);
-#if 0
- yaz_log(YLOG_LOG, "text disp=%s",
- cluster->sortkeys[sk_field_id]->text.disp);
- yaz_log(YLOG_LOG, "text sort=%s",
- cluster->sortkeys[sk_field_id]->text.sort);
-#endif
pp2_relevance_token_destroy(prt);
}
}
// construct facets ... unless the client already has reported them
if (ser_md->termlist && !client_has_facet(cl, (char *) type))
{
-
if (ser_md->type == Metadata_type_year)
{
char year[64];
sprintf(year, "%d", rec_md->data.number.max);
- add_facet(se, (char *) type, year, 1);
+
+ add_facet(se, (char *) type, year, term_factor);
if (rec_md->data.number.max != rec_md->data.number.min)
{
sprintf(year, "%d", rec_md->data.number.min);
- add_facet(se, (char *) type, year, 1);
+ add_facet(se, (char *) type, year, term_factor);
}
}
else
- add_facet(se, (char *) type, (char *) value, 1);
+ add_facet(se, (char *) type, (char *) value, term_factor);
}
// cleaning up
else
{
if (se->number_of_warnings_unknown_elements == 0)
- yaz_log(YLOG_WARN,
+ session_log(se, YLOG_WARN,
"Unexpected element in internal record: %s", n->name);
se->number_of_warnings_unknown_elements++;
}
return 0;
}
+void session_log(struct session *s, int level, const char *fmt, ...)
+{
+ char buf[1024];
+ va_list ap;
+ va_start(ap, fmt);
+
+ yaz_vsnprintf(buf, sizeof(buf)-30, fmt, ap);
+ yaz_log(level, "Session (%u): %s", s->session_id, buf);
+
+ va_end(ap);
+}
+
/*
* Local variables:
* c-basic-offset: 4
projects / pazpar2-moved-to-github.git / blobdiff