/* 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();
s->num_termlists = i + 1;
}
- session_log(s, YLOG_DEBUG, "Session: facets for %s: %s norm:%s (%d)",
- type, value, wrbuf_cstr(facet_wrbuf), count);
+#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);
}
ret = 0;
}
session_leave(s);
- return 0;
+ return ret;
}
void session_alert_watch(struct session *s, int what)
session_leave(s);
session_log(s, YLOG_DEBUG,
- "session_alert_watch: %d calling function: %p", what, fun);
+ "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++;
- session_log(s, YLOG_DEBUG, "Session has %d active preferred clients.", 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,
const char *filter,
+ const char *limit,
const char **addinfo)
{
int live_channels = 0;
int no_failed = 0;
struct client_list *l;
struct timeval tval;
+ facet_limits_t facet_limits;
session_log(se, YLOG_DEBUG, "Search");
tval.tv_sec += 5;
+ facet_limits = facet_limits_create(limit);
+ if (!facet_limits)
+ {
+ *addinfo = "limit";
+ return PAZPAR2_MALFORMED_PARAMETER_VALUE;
+ }
for (l = se->clients; l; l = l->next)
{
struct client *cl = l->client;
client_set_startrecs(cl, atoi(startrecs));
if (prepare_session_database(se, client_get_database(cl)) < 0)
;
- else if (client_parse_query(cl, query) < 0)
+ else if (client_parse_query(cl, query, facet_limits) < 0)
no_failed++;
else
{
client_start_search(cl);
}
}
+ facet_limits_destroy(facet_limits);
session_leave(se);
if (no_working == 0)
{
}
}
-void destroy_session(struct session *se)
-{
+void session_destroy(struct session *se) {
struct session_database *sdb;
-
- session_log(se, YLOG_DEBUG, "Pazpar2 session destroy");
+ 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,
unsigned session_id)
{
sprintf(tmp_str, "session#%u", session_id);
session->session_id = session_id;
- session_log(session, YLOG_DEBUG, "New session");
+ 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, 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)
if (!check_record_filter(root, sdb))
{
- session_log(se, YLOG_WARN, "Filtered out record no %d from %s",
+ 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);
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)
// 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
va_start(ap, fmt);
yaz_vsnprintf(buf, sizeof(buf)-30, fmt, ap);
- yaz_log(level, "%u %s", s->session_id, buf);
+ yaz_log(level, "Session (%u): %s", s->session_id, buf);
va_end(ap);
}