struct client_list *next;
};
+struct session_sorted_results {
+ const char *field;
+ int increasing;
+ struct session_sorted_results *next;
+};
+
/* session counting (1) , disable client counting (0) */
static YAZ_MUTEX g_session_mutex = 0;
static int no_sessions = 0;
if (!rdoc)
{
session_log(se, YLOG_FATAL, "Non-wellformed XML received from %s",
- db->url);
+ db->id);
return 0;
}
if (global_parameters.dump_records)
{
- session_log(se, YLOG_LOG, "Un-normalized record from %s", db->url);
+ session_log(se, YLOG_LOG, "Un-normalized record from %s", db->id);
log_xml_doc(rdoc);
}
if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
{
session_log(se, YLOG_WARN, "Normalize failed from %s",
- sdb->database->url);
+ sdb->database->id);
}
else
{
if (global_parameters.dump_records)
{
session_log(se, YLOG_LOG, "Normalized record from %s",
- sdb->database->url);
+ sdb->database->id);
log_xml_doc(rdoc);
}
}
{
const char *s;
- if (!sdb->settings)
- {
- session_log(se, YLOG_WARN, "No settings on %s", sdb->database->url);
- return -1;
- }
- if ((s = session_setting_oneval(sdb, PZ_XSLT)))
+ if (sdb->settings && sdb->settings[PZ_XSLT] && !sdb->map &&
+ (s = session_setting_oneval(sdb, PZ_XSLT)))
{
char auto_stylesheet[256];
}
}
sdb->map = normalize_cache_get(se->normalize_cache,
- se->service->server->config, s);
+ se->service, s);
if (!sdb->map)
return -1;
}
return 0;
}
-// This analyzes settings and recomputes any supporting data structures
-// if necessary.
-static int prepare_session_database(struct session *se,
- struct session_database *sdb)
-{
- if (!sdb->settings)
- {
- session_log(se, YLOG_WARN,
- "No settings associated with %s", sdb->database->url);
- return -1;
- }
- if (sdb->settings[PZ_XSLT] && !sdb->map)
- {
- if (prepare_map(se, sdb) < 0)
- return -1;
- }
- return 0;
-}
-
// called if watch should be removed because http_channel is to be destroyed
static void session_watch_cancel(void *data, struct http_channel *c,
void *data2)
}
//callback for grep_databases
-static void select_targets_callback(void *context, struct session_database *db)
+static void select_targets_callback(struct session *se,
+ struct session_database *db)
{
- struct session *se = (struct session*) context;
- struct client *cl = client_create();
+ struct client *cl;
struct client_list *l;
- client_set_database(cl, db);
- client_set_session(cl, se);
+ for (l = se->clients_cached; l; l = l->next)
+ if (client_get_database(l->client) == db)
+ break;
+
+ if (l)
+ cl = l->client;
+ else
+ {
+ cl = client_create(db->database->id);
+ client_set_database(cl, db);
+ client_set_session(cl, se);
+
+ l = xmalloc(sizeof(*l));
+ l->client = cl;
+ l->next = se->clients_cached;
+ se->clients_cached = l;
+ }
l = xmalloc(sizeof(*l));
l->client = cl;
- l->next = se->clients;
- se->clients = l;
+ l->next = se->clients_active;
+ se->clients_active = l;
+}
+
+static void session_reset_active_clients(struct session *se,
+ struct client_list *new_list)
+{
+ struct client_list *l;
+
+ session_enter(se);
+ l = se->clients_active;
+ se->clients_active = new_list;
+ session_leave(se);
+
+ while (l)
+ {
+ struct client_list *l_next = l->next;
+ xfree(l);
+ l = l_next;
+ }
}
-static void session_remove_clients(struct session *se)
+static void session_remove_cached_clients(struct session *se)
{
struct client_list *l;
+ session_reset_active_clients(se, 0);
+
session_enter(se);
- l = se->clients;
- se->clients = 0;
+ l = se->clients_cached;
+ se->clients_cached = 0;
session_leave(se);
while (l)
struct client_list *l;
int res = 0;
- for (l = s->clients; l; l = l->next)
+ for (l = s->clients_active; l; l = l->next)
if (client_is_active(l->client))
res++;
struct client_list *l;
int res = 0;
- for (l = s->clients; l; l = l->next)
+ for (l = s->clients_active; l; l = l->next)
if (client_is_active_preferred(l->client))
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)
+static const char *get_strategy_plus_sort(struct client *l, const char *field)
+{
+ struct session_database *sdb = client_get_database(l);
+ struct setting *s;
+
+ const char *strategy_plus_sort = 0;
+
+ for (s = sdb->settings[PZ_SORTMAP]; s; s = s->next)
+ {
+ char *p = strchr(s->name + 3, ':');
+ if (!p)
+ {
+ yaz_log(YLOG_WARN, "Malformed sortmap name: %s", s->name);
+ continue;
+ }
+ p++;
+ if (!strcmp(p, field))
+ {
+ strategy_plus_sort = s->value;
+ break;
+ }
+ }
+ return strategy_plus_sort;
+}
+
+void session_sort(struct session *se, const char *field, int increasing)
+{
+ struct session_sorted_results *sr;
+ struct client_list *l;
+
+ session_enter(se);
+
+ /* see if we already have sorted for this critieria */
+ for (sr = se->sorted_results; sr; sr = sr->next)
+ {
+ if (!strcmp(field, sr->field) && increasing == sr->increasing)
+ break;
+ }
+ if (sr)
+ {
+ yaz_log(YLOG_LOG, "search_sort: field=%s increasing=%d already fetched",
+ field, increasing);
+ session_leave(se);
+ return;
+ }
+ yaz_log(YLOG_LOG, "search_sort: field=%s increasing=%d must fetch",
+ field, increasing);
+ sr = nmem_malloc(se->nmem, sizeof(*sr));
+ sr->field = nmem_strdup(se->nmem, field);
+ sr->increasing = increasing;
+ sr->next = se->sorted_results;
+ se->sorted_results = sr;
+
+ for (l = se->clients_active; l; l = l->next)
+ {
+ struct client *cl = l->client;
+ const char *strategy_plus_sort = get_strategy_plus_sort(cl, field);
+ if (strategy_plus_sort)
+ {
+ struct timeval tval;
+ if (client_prep_connection(cl, se->service->z3950_operation_timeout,
+ se->service->z3950_session_timeout,
+ se->service->server->iochan_man,
+ &tval))
+ client_start_search(cl, strategy_plus_sort, increasing);
+ }
+ }
+ session_leave(se);
+}
+
+enum pazpar2_error_code session_search(struct session *se,
+ const char *query,
+ const char *startrecs,
+ const char *maxrecs,
+ const char *filter,
+ const char *limit,
+ const char **addinfo,
+ const char *sort_field, int increasing)
{
int live_channels = 0;
int no_working = 0;
int no_failed = 0;
- struct client_list *l;
+ struct client_list *l, *l0;
struct timeval tval;
facet_limits_t facet_limits;
*addinfo = 0;
- session_remove_clients(se);
+ if (se->settings_modified)
+ session_remove_cached_clients(se);
+ else
+ session_reset_active_clients(se, 0);
session_enter(se);
reclist_destroy(se->reclist);
se->reclist = 0;
+ se->settings_modified = 0;
relevance_destroy(&se->relevance);
nmem_reset(se->nmem);
- se->total_records = se->total_hits = se->total_merged = 0;
+ se->total_records = se->total_merged = 0;
se->num_termlists = 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->next = 0;
+
live_channels = select_targets(se, filter);
if (!live_channels)
{
session_leave(se);
return PAZPAR2_MALFORMED_PARAMETER_VALUE;
}
- for (l = se->clients; l; l = l->next)
+
+ l0 = se->clients_active;
+ se->clients_active = 0;
+ session_leave(se);
+
+ for (l = l0; l; l = l->next)
{
+ int parse_ret;
struct client *cl = l->client;
+ const char *strategy_plus_sort = get_strategy_plus_sort(cl, sort_field);
- if (maxrecs)
- client_set_maxrecs(cl, atoi(maxrecs));
- if (startrecs)
- client_set_startrecs(cl, atoi(startrecs));
- if (prepare_session_database(se, client_get_database(cl)) < 0)
- ;
- else if (client_parse_query(cl, query, facet_limits) < 0)
+ if (prepare_map(se, client_get_database(cl)) < 0)
+ continue;
+
+ parse_ret = client_parse_query(cl, query, facet_limits, startrecs,
+ maxrecs);
+ if (parse_ret < 0)
no_failed++;
+ else if (parse_ret == 0)
+ {
+ session_log(se, YLOG_LOG, "client NEW %s", client_get_id(cl));
+ no_working++;
+ if (client_prep_connection(cl, se->service->z3950_operation_timeout,
+ se->service->z3950_session_timeout,
+ se->service->server->iochan_man,
+ &tval))
+ client_start_search(cl, strategy_plus_sort, increasing);
+ }
else
{
+ session_log(se, YLOG_LOG, "client REUSE %s", client_get_id(cl));
no_working++;
if (client_prep_connection(cl, se->service->z3950_operation_timeout,
se->service->z3950_session_timeout,
se->service->server->iochan_man,
&tval))
- client_start_search(cl);
+ {
+ client_reingest(cl);
+ }
}
}
facet_limits_destroy(facet_limits);
- session_leave(se);
+ session_reset_active_clients(se, l0);
+
if (no_working == 0)
{
if (no_failed > 0)
else
return PAZPAR2_NO_TARGETS;
}
+ yaz_log(YLOG_LOG, "session_start_search done");
return PAZPAR2_NO_ERROR;
}
{
struct database *db = new_database(id, se->session_nmem);
- resolve_database(se->service, db);
-
session_init_databases_fun((void*) se, db);
// New sdb is head of se->databases list
struct session_database *sdb;
for (sdb = se->databases; sdb; sdb = sdb->next)
- if (!strcmp(sdb->database->url, id))
+ if (!strcmp(sdb->database->id, id))
return sdb;
return load_session_database(se, id);
}
new->next = sdb->settings[offset];
sdb->settings[offset] = new;
+ se->settings_modified = 1;
+
// Force later recompute of settings-driven data structures
// (happens when a search starts and client connections are prepared)
switch (offset)
}
}
-void session_destroy(struct session *se) {
+void session_destroy(struct session *se)
+{
struct session_database *sdb;
session_log(se, YLOG_DEBUG, "Destroying");
session_use(-1);
- session_remove_clients(se);
+ session_remove_cached_clients(se);
for (sdb = se->databases; sdb; sdb = sdb->next)
session_database_destroy(sdb);
yaz_mutex_destroy(&se->session_mutex);
}
-/* 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)
session_log(session, YLOG_DEBUG, "New");
session->service = service;
session->relevance = 0;
- session->total_hits = 0;
session->total_records = 0;
session->number_of_warnings_unknown_elements = 0;
session->number_of_warnings_unknown_metadata = 0;
session->num_termlists = 0;
session->reclist = 0;
- session->clients = 0;
+ session->clients_active = 0;
+ session->clients_cached = 0;
+ session->settings_modified = 0;
session->session_nmem = nmem;
session->nmem = nmem_create();
session->databases = 0;
return session;
}
+const char * client_get_suggestions_xml(struct client *cl, WRBUF wrbuf);
+
static struct hitsbytarget *hitsbytarget_nb(struct session *se,
int *count, NMEM nmem)
{
struct client_list *l;
size_t sz = 0;
- for (l = se->clients; l; l = l->next)
+ for (l = se->clients_active; l; l = l->next)
sz++;
res = nmem_malloc(nmem, sizeof(*res) * sz);
*count = 0;
- for (l = se->clients; l; l = l->next)
+ for (l = se->clients_active; l; l = l->next)
{
struct client *cl = l->client;
WRBUF w = wrbuf_alloc();
const char *name = session_setting_oneval(client_get_database(cl),
PZ_NAME);
- res[*count].id = client_get_database(cl)->database->url;
+ res[*count].id = client_get_id(cl);
res[*count].name = *name ? name : "Unknown";
res[*count].hits = client_get_hits(cl);
res[*count].records = client_get_num_records(cl);
res[*count].connected = client_get_connection(cl) ? 1 : 0;
session_settings_dump(se, client_get_database(cl), w);
res[*count].settings_xml = nmem_strdup(nmem, wrbuf_cstr(w));
+ wrbuf_rewind(w);
+ wrbuf_puts(w, "");
+ res[*count].suggestions_xml = nmem_strdup(nmem, client_get_suggestions_xml(cl, w));
wrbuf_destroy(w);
(*count)++;
}
for (j = 0; j < num_names; j++)
{
const char *tname;
+
+ wrbuf_puts(c->wrbuf, "<list name=\"");
+ wrbuf_xmlputs(c->wrbuf, names[j]);
+ wrbuf_puts(c->wrbuf, "\">\n");
+
for (i = 0; i < se->num_termlists; i++)
{
tname = se->termlists[i].name;
if (p)
{
int i;
- wrbuf_puts(c->wrbuf, "<list name=\"");
- wrbuf_xmlputs(c->wrbuf, tname);
- wrbuf_puts(c->wrbuf, "\">\n");
for (i = 0; i < len && i < num; i++)
{
// prevent sending empty term elements
p[i]->frequency);
wrbuf_puts(c->wrbuf, "</term>\n");
}
- wrbuf_puts(c->wrbuf, "</list>\n");
}
}
}
tname = "xtargets";
if (num_names > 0 && !strcmp(names[j], tname))
{
- wrbuf_puts(c->wrbuf, "<list name=\"");
- wrbuf_xmlputs(c->wrbuf, tname);
- wrbuf_puts(c->wrbuf, "\">\n");
targets_termlist_nb(c->wrbuf, se, num, c->nmem);
- wrbuf_puts(c->wrbuf, "</list>\n");
}
+ wrbuf_puts(c->wrbuf, "</list>\n");
}
session_leave(se);
nmem_destroy(nmem_tmp);
}
else
{
+ struct client_list *l;
+
for (spp = sp; spp; spp = spp->next)
if (spp->type == Metadata_sortkey_relevance)
{
reclist_enter(se->reclist);
*total = reclist_get_num_records(se->reclist);
- *sumhits = se->total_hits;
+
+ *sumhits = 0;
+ for (l = se->clients_active; l; l = l->next)
+ *sumhits += client_get_hits(l->client);
for (i = 0; i < start; i++)
if (!reclist_read_record(se->reclist))
int count = 0;
memset(stat, 0, sizeof(*stat));
- for (l = se->clients; l; l = l->next)
+ stat->num_hits = 0;
+ for (l = se->clients_active; l; l = l->next)
{
struct client *cl = l->client;
if (!client_get_connection(cl))
stat->num_no_connection++;
+ stat->num_hits += client_get_hits(cl);
switch (client_get_state(cl))
{
case Client_Connecting: stat->num_connecting++; break;
}
count++;
}
- stat->num_hits = se->total_hits;
stat->num_records = se->total_records;
stat->num_clients = count;
/* generate unique key if none is not generated already or is empty */
if (wrbuf_len(norm_wr) == 0)
{
- wrbuf_printf(norm_wr, "%s-%d",
- client_get_database(cl)->database->url, record_no);
+ wrbuf_printf(norm_wr, "position: %s-%d",
+ client_get_id(cl), record_no);
+ }
+ else
+ {
+ const char *lead = "content: ";
+ wrbuf_insert(norm_wr, 0, lead, strlen(lead));
}
if (wrbuf_len(norm_wr) > 0)
mergekey_norm = nmem_strdup(nmem, wrbuf_cstr(norm_wr));
if (!check_record_filter(root, sdb))
{
session_log(se, YLOG_LOG, "Filtered out record no %d from %s",
- record_no, sdb->database->url);
+ record_no, sdb->database->id);
xmlFreeDoc(xdoc);
return -2;
}
}
session_enter(se);
if (client_get_session(cl) == se)
- ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
+ ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
session_leave(se);
xmlFreeDoc(xdoc);
xmlNode *n;
xmlChar *type = 0;
xmlChar *value = 0;
- struct session_database *sdb = client_get_database(cl);
struct session *se = client_get_session(cl);
struct conf_service *service = se->service;
+ int term_factor = 1;
+ struct record_cluster *cluster;
+ struct session_database *sdb = client_get_database(cl);
struct record *record = record_create(se->nmem,
service->num_metadata,
service->num_sortkeys, cl,
record_no);
- struct record_cluster *cluster = reclist_insert(se->reclist,
- service,
- 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)
- 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
for (n = root->children; n; n = n->next)
{
- pp2_charset_token_t prt;
if (type)
xmlFree(type);
if (value)
if (!strcmp((const char *) n->name, "metadata"))
{
struct conf_metadata *ser_md = 0;
- struct conf_sortkey *ser_sk = 0;
struct record_metadata **wheretoput = 0;
struct record_metadata *rec_md = 0;
int md_field_id = -1;
- int sk_field_id = -1;
type = xmlGetProp(n, (xmlChar *) "type");
value = xmlNodeListGetString(xdoc, n->children, 1);
se->number_of_warnings_unknown_metadata++;
continue;
}
-
+
ser_md = &service->metadata[md_field_id];
-
- if (ser_md->sortkey_offset >= 0){
- sk_field_id = ser_md->sortkey_offset;
- ser_sk = &service->sortkeys[sk_field_id];
- }
// non-merged metadata
rec_md = record_metadata_init(se->nmem, (const char *) value,
while (*wheretoput)
wheretoput = &(*wheretoput)->next;
*wheretoput = rec_md;
+ }
+ }
+
+ cluster = reclist_insert(se->reclist, service, record,
+ mergekey_norm, &se->total_merged);
+ if (!cluster)
+ return -1;
+
+ {
+ const char *use_term_factor_str =
+ session_setting_oneval(sdb, PZ_TERMLIST_TERM_FACTOR);
+ if (use_term_factor_str && use_term_factor_str[0] == '1')
+ {
+ 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 (global_parameters.dump_records)
+ session_log(se, YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
+ sdb->database->id, record_no);
+
+
+ relevance_newrec(se->relevance, cluster);
+
+ // now parsing XML record and adding data to cluster or record metadata
+ for (n = root->children; n; n = n->next)
+ {
+ pp2_charset_token_t prt;
+ if (type)
+ xmlFree(type);
+ if (value)
+ xmlFree(value);
+ type = value = 0;
+
+ if (n->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) n->name, "metadata"))
+ {
+ struct conf_metadata *ser_md = 0;
+ struct conf_sortkey *ser_sk = 0;
+ struct record_metadata **wheretoput = 0;
+ struct record_metadata *rec_md = 0;
+ int md_field_id = -1;
+ int sk_field_id = -1;
+
+ type = xmlGetProp(n, (xmlChar *) "type");
+ value = xmlNodeListGetString(xdoc, n->children, 1);
+
+ if (!type || !value || !*value)
+ continue;
+
+ md_field_id
+ = conf_service_metadata_field_id(service, (const char *) type);
+ if (md_field_id < 0)
+ continue;
+
+ ser_md = &service->metadata[md_field_id];
+
+ if (ser_md->sortkey_offset >= 0)
+ {
+ sk_field_id = ser_md->sortkey_offset;
+ ser_sk = &service->sortkeys[sk_field_id];
+ }
// merged metadata
rec_md = record_metadata_init(se->nmem, (const char *) value,
ser_md->type, 0);
+ if (!rec_md)
+ continue;
+
wheretoput = &cluster->metadata[md_field_id];
// and polulate with data:
projects / pazpar2-moved-to-github.git / blobdiff