X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fsession.c;h=c8d62e954c8c77317c22a2ad5205eb1f2106ee7e;hb=e2de92cec639e50141ac603f78f4020c5cd054ed;hp=339411a9d9a56cda7732a3210a2a456b7dea6b88;hpb=c0843c36c17418433437a7742a49f78c8bc41342;p=pazpar2-moved-to-github.git diff --git a/src/session.c b/src/session.c index 339411a..c8d62e9 100644 --- a/src/session.c +++ b/src/session.c @@ -1,5 +1,5 @@ /* 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 @@ -80,11 +80,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #define MAX_CHUNK 15 -inline int max(int a, int b) -{ - return (a > b) ? a : b; -} - +#define MAX(a,b) ((a)>(b)?(a):(b)) // Note: Some things in this structure will eventually move to configuration struct parameters global_parameters = @@ -98,6 +94,27 @@ 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 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; + 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); +} + static void log_xml_doc(xmlDoc *doc) { FILE *lf = yaz_log_file(); @@ -194,7 +211,7 @@ void add_facet(struct session *s, const char *type, const char *value, int count s->num_termlists = i + 1; } - session_log(s, YLOG_DEBUG, "Session: facets for %s: %s norm:%s (%d)", + session_log(s, YLOG_DEBUG, "Facets for %s: %s norm:%s (%d)", type, value, wrbuf_cstr(facet_wrbuf), count); termlist_insert(s->termlists[i].termlist, wrbuf_cstr(facet_wrbuf), count); @@ -480,7 +497,7 @@ 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 @@ -496,6 +513,7 @@ static void select_targets_callback(void *context, struct session_database *db) client_set_database(cl, db); client_set_session(cl, se); + l = xmalloc(sizeof(*l)); l->client = cl; l->next = se->clients; @@ -552,7 +570,7 @@ int session_is_preferred_clients_ready(struct session *s) 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; } @@ -729,8 +747,8 @@ void session_apply_setting(struct session *se, char *dbname, char *setting, void destroy_session(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) @@ -744,6 +762,17 @@ void destroy_session(struct session *se) wrbuf_destroy(se->wrbuf); } +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) { @@ -755,7 +784,7 @@ struct session *new_session(NMEM nmem, struct conf_service *service, 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; @@ -777,7 +806,7 @@ struct session *new_session(NMEM nmem, struct conf_service *service, session->normalize_cache = normalize_cache_create(); session->session_mutex = 0; pazpar2_mutex_create(&session->session_mutex, tmp_str); - + session_use(1); return session; } @@ -848,22 +877,25 @@ struct record_cluster *show_single_start(struct session *se, const char *id, 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; @@ -1271,15 +1303,17 @@ static int ingest_to_cluster(struct client *cl, mergekey_norm, &se->total_merged); - int use_term_factor = session_setting_oneval(sdb, PZ_TERMLIST_TERM_FACTOR); + 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); + term_factor = MAX(hits, maxrecs) / MAX(1, maxrecs); assert(term_factor >= 1); - yaz_log(YLOG_DEBUG, "Using term factor %d ", term_factor); + yaz_log(YLOG_DEBUG, "Using term factor: %d (%d / %d)", term_factor, MAX(hits, maxrecs), MAX(1, maxrecs)); } if (!cluster) @@ -1494,7 +1528,7 @@ void session_log(struct session *s, int level, const char *fmt, ...) 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); }