#include <yaz/querytowrbuf.h>
#include <yaz/oid_db.h>
#include <yaz/snprintf.h>
-#include <yaz/gettimeofday.h>
#define USE_TIMING 0
#if USE_TIMING
xmlFree(result);
}
-static void session_enter(struct session *s)
+static void session_enter(struct session *s, const char *caller)
{
+ if (caller)
+ session_log(s, YLOG_DEBUG, "Session lock by %s", caller);
yaz_mutex_enter(s->session_mutex);
}
-static void session_leave(struct session *s)
+static void session_leave(struct session *s, const char *caller)
{
yaz_mutex_leave(s->session_mutex);
+ if (caller)
+ session_log(s, YLOG_DEBUG, "Session unlock by %s", caller);
}
static void session_normalize_facet(struct session *s, const char *type,
struct http_channel *chan)
{
int ret;
- session_enter(s);
+ session_enter(s, "session_set_watch");
if (s->watchlist[what].fun)
ret = -1;
else
session_watch_cancel);
ret = 0;
}
- session_leave(s);
+ session_leave(s, "session_set_watch");
return ret;
}
void session_alert_watch(struct session *s, int what)
{
assert(s);
- session_enter(s);
+ session_enter(s, "session_alert_watch");
if (s->watchlist[what].fun)
{
/* our watch is no longer associated with http_channel */
s->watchlist[what].data = 0;
s->watchlist[what].obs = 0;
- session_leave(s);
+ session_leave(s, "session_alert_watch");
session_log(s, YLOG_DEBUG,
"Alert Watch: %d calling function: %p", what, fun);
fun(data);
}
else
- session_leave(s);
+ session_leave(s,"session_alert_watch");
}
//callback for grep_databases
{
struct client_list *l;
- session_enter(se);
+ session_enter(se, "session_reset_active_clients");
l = se->clients_active;
se->clients_active = new_list;
- session_leave(se);
+ session_leave(se, "session_reset_active_clients");
while (l)
{
session_reset_active_clients(se, 0);
- session_enter(se);
+ session_enter(se, "session_remove_cached_clients");
l = se->clients_cached;
se->clients_cached = 0;
- session_leave(se);
+ session_leave(se, "session_remove_cached_clients");
while (l)
{
return res == 0;
}
-static void session_clear_set(struct session *se,
- const char *sort_field, int increasing, int position)
+static void session_clear_set(struct session *se, struct reclist_sortparms *sp)
{
reclist_destroy(se->reclist);
se->reclist = 0;
/* reset list of sorted results and clear to relevance search */
se->sorted_results = nmem_malloc(se->nmem, sizeof(*se->sorted_results));
- se->sorted_results->field = nmem_strdup(se->nmem, sort_field);
- se->sorted_results->increasing = increasing;
- se->sorted_results->position = position;
+ se->sorted_results->name = nmem_strdup(se->nmem, sp->name);
+ se->sorted_results->increasing = sp->increasing;
+ se->sorted_results->type = sp->type;
se->sorted_results->next = 0;
- session_log(se, YLOG_DEBUG, "clear_set search_sort: field=%s increasing=%d position=%d configured",
- sort_field, increasing, position);
+ session_log(se, YLOG_DEBUG, "clear_set session_sort: field=%s increasing=%d type=%d configured",
+ sp->name, sp->increasing, sp->type);
se->reclist = reclist_create(se->nmem);
}
-void session_sort(struct session *se, const char *field, int increasing,
- int position)
+static void session_sort_unlocked(struct session *se, struct reclist_sortparms *sp)
{
- struct session_sorted_results *sr;
+ struct reclist_sortparms *sr;
struct client_list *l;
+ const char *field = sp->name;
+ int increasing = sp->increasing;
+ int type = sp->type;
+ int clients_research = 0;
- session_enter(se);
-
- yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d position=%d", field, increasing, position);
- /* see if we already have sorted for this critieria */
+ yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d type=%d", field, increasing, type);
+ /* see if we already have sorted for this criteria */
for (sr = se->sorted_results; sr; sr = sr->next)
{
- if (!strcmp(field, sr->field) && increasing == sr->increasing && sr->position == position)
+ if (!reclist_sortparms_cmp(sr,sp))
break;
}
if (sr)
{
- session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d position=%d already fetched",
- field, increasing, position);
- session_leave(se);
+ session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d already fetched",
+ field, increasing, type);
return;
}
- session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d position=%d must fetch",
- field, increasing, position);
- if (position)
+ session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d must fetch",
+ field, increasing, type);
+
+ // We need to reset reclist on every sort that changes the records, not just for position
+ // So if just one client requires new searching, we need to clear set.
+ // Ask each of the client if sorting requires re-search due to native sort
+ // If it does it will require us to
+ for (l = se->clients_active; l; l = l->next)
{
- yaz_log(YLOG_DEBUG, "Reset results due to position");
- session_clear_set(se, field, increasing, position);
+ struct client *cl = l->client;
+ // Assume no re-search is required.
+ client_parse_init(cl, 1);
+ clients_research += client_parse_sort(cl, sp);
+ }
+ if (clients_research) {
+ yaz_log(YLOG_DEBUG, "Reset results due to %d clients researching", clients_research);
+ session_clear_set(se, sp);
}
else {
+ // A new sorting based on same record set
sr = nmem_malloc(se->nmem, sizeof(*sr));
- sr->field = nmem_strdup(se->nmem, field);
+ sr->name = nmem_strdup(se->nmem, field);
sr->increasing = increasing;
- sr->position = position;
+ sr->type = type;
sr->next = se->sorted_results;
se->sorted_results = sr;
+ session_log(se, YLOG_DEBUG, "No research/ingesting done");
+ return ;
}
- yaz_log(YLOG_DEBUG, "Restarting search for clients due to change in sort order");
+ session_log(se, YLOG_DEBUG, "Re- search/ingesting for clients due to change in sort order");
for (l = se->clients_active; l; l = l->next)
{
if (client_get_state(cl) == Client_Connecting ||
client_get_state(cl) == Client_Idle ||
client_get_state(cl) == Client_Working) {
- yaz_log(YLOG_DEBUG, "Client %s: Restarting search due to change in sort order", client_get_id(cl));
client_start_search(cl);
}
+ else {
+ yaz_log(YLOG_DEBUG, "Client %s: No re-start/ingest in show. Wrong client state: %d",
+ client_get_id(cl), client_get_state(cl));
+ }
+
}
- session_leave(se);
}
+void session_sort(struct session *se, struct reclist_sortparms *sp) {
+ //session_enter(se, "session_sort");
+ session_sort_unlocked(se, sp);
+ //session_leave(se, "session_sort");
+}
+
+
enum pazpar2_error_code session_search(struct session *se,
const char *query,
const char *startrecs,
int no_failed_query = 0;
int no_failed_limit = 0;
struct client_list *l, *l0;
- struct timeval tval;
facet_limits_t facet_limits;
+ int same_sort_order = 0;
session_log(se, YLOG_DEBUG, "Search");
*addinfo = 0;
- if (se->settings_modified)
+ if (se->settings_modified) {
session_remove_cached_clients(se);
+ }
else
session_reset_active_clients(se, 0);
- session_enter(se);
+ session_enter(se, "session_search");
se->settings_modified = 0;
- session_clear_set(se, sp->name, sp->increasing, sp->type == Metadata_sortkey_position);
+
+ if (se->sorted_results) {
+ if (!reclist_sortparms_cmp(se->sorted_results, sp))
+ same_sort_order = 1;
+ }
+ session_clear_set(se, sp);
relevance_destroy(&se->relevance);
live_channels = select_targets(se, filter);
if (!live_channels)
{
- session_leave(se);
+ session_leave(se, "session_search");
return PAZPAR2_NO_TARGETS;
}
- yaz_gettimeofday(&tval);
-
- tval.tv_sec += 5;
-
facet_limits = facet_limits_create(limit);
if (!facet_limits)
{
*addinfo = "limit";
- session_leave(se);
+ session_leave(se, "session_search");
return PAZPAR2_MALFORMED_PARAMETER_VALUE;
}
l0 = se->clients_active;
se->clients_active = 0;
- session_leave(se);
+ session_leave(se, "session_search");
for (l = l0; l; l = l->next)
{
int parse_ret;
struct client *cl = l->client;
-
+ client_parse_init(cl, 1);
if (prepare_map(se, client_get_database(cl)) < 0)
continue;
- parse_ret = client_parse_query(cl, query, facet_limits, startrecs,
- maxrecs, se->service->ccl_bibset);
+ parse_ret = client_parse_query(cl, query, facet_limits, se->service->ccl_bibset);
if (parse_ret == -1)
no_failed_query++;
else if (parse_ret == -2)
no_failed_limit++;
+ else if (parse_ret < 0)
+ no_working++; /* other error, such as bad CCL map */
else
{
- int r =
- client_prep_connection(cl, se->service->z3950_operation_timeout,
- se->service->z3950_session_timeout,
- se->service->server->iochan_man,
- &tval);
- if (parse_ret == 1 && r == 2)
- {
- session_log(se, YLOG_LOG, "client %s REUSE result", client_get_id(cl));
- client_reingest(cl);
- }
- else if (r)
- {
- session_log(se, YLOG_LOG, "client %s NEW search", client_get_id(cl));
- client_start_search(cl);
- }
+ client_parse_range(cl, startrecs, maxrecs);
+ client_parse_sort(cl, sp);
+ client_start_search(cl);
no_working++;
}
}
size_t session_nmem;
if (session == 0)
return 0;
- session_enter(session);
+ session_enter(session, "session_get_memory_status");
session_nmem = nmem_total(session->nmem);
- session_leave(session);
+ session_leave(session, "session_get_memory_status");
return session_nmem;
}
session->session_nmem = nmem;
session->nmem = nmem_create();
session->databases = 0;
+ session->sorted_results = 0;
+
for (i = 0; i <= SESSION_WATCH_MAX; i++)
{
session->watchlist[i].data = 0;
struct hitsbytarget *get_hitsbytarget(struct session *se, int *count, NMEM nmem)
{
struct hitsbytarget *p;
- session_enter(se);
+ session_enter(se, "get_hitsbytarget");
p = hitsbytarget_nb(se, count, nmem);
- session_leave(se);
+ session_leave(se, "get_hitsbytarget");
return p;
}
nmem_strsplit(nmem_tmp, ",", name, &names, &num_names);
- session_enter(se);
+ session_enter(se, "perform_termlist");
for (j = 0; j < num_names; j++)
{
wrbuf_puts(c->wrbuf, "\"/>\n");
}
}
- session_leave(se);
+ session_leave(se, "perform_termlist");
nmem_destroy(nmem_tmp);
}
{
struct record_cluster *r = 0;
- session_enter(se);
+ session_enter(se, "show_single_start");
*prev_r = 0;
*next_r = 0;
if (se->reclist)
reclist_leave(se->reclist);
}
if (!r)
- session_leave(se);
+ session_leave(se, "show_single_start");
return r;
}
void show_single_stop(struct session *se, struct record_cluster *rec)
{
- session_leave(se);
+ session_leave(se, "show_single_stop");
}
struct record_cluster **show_range_start(struct session *se,
#if USE_TIMING
yaz_timing_t t = yaz_timing_create();
#endif
- session_enter(se);
+ session_enter(se, "show_range_start");
recs = nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
if (!se->relevance)
{
void show_range_stop(struct session *se, struct record_cluster **recs)
{
- session_leave(se);
+ session_leave(se, "show_range_stop");
}
void statistics(struct session *se, struct statistics *stat)
xmlFreeDoc(xdoc);
return -1;
}
- session_enter(se);
+ session_enter(se, "ingest_record");
if (client_get_session(cl) == se)
ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
- session_leave(se);
+ session_leave(se, "ingest_record");
xmlFreeDoc(xdoc);
return ret;