X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fclient.c;h=e2a363c521837ab9e8d18287616a77024c5123c0;hb=e51169ac3c161349e5255517d388f2f5c0cfd12f;hp=330db5abefbb7406636585b17e048f40d7dc7a94;hpb=8c23d4b5973cebce35e2d7905df9f7dc33cf2abe;p=pazpar2-moved-to-github.git diff --git a/src/client.c b/src/client.c index 330db5a..e2a363c 100644 --- a/src/client.c +++ b/src/client.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 @@ -67,23 +67,26 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include "relevance.h" #include "incref.h" -/* client counting (1) , disable client counting (0) */ -#if 1 static YAZ_MUTEX g_mutex = 0; static int no_clients = 0; -static void client_use(int delta) +static int client_use(int delta) { + int clients; if (!g_mutex) yaz_mutex_create(&g_mutex); yaz_mutex_enter(g_mutex); no_clients += delta; + clients = no_clients; yaz_mutex_leave(g_mutex); - yaz_log(YLOG_DEBUG, "%s clients=%d", delta > 0 ? "INC" : "DEC", no_clients); + yaz_log(YLOG_DEBUG, "%s clients=%d", delta == 0 ? "" : (delta > 0 ? "INC" : "DEC"), clients); + return clients; +} + +int clients_count(void) { + return client_use(0); } -#else -#define client_use(x) -#endif + /** \brief Represents client state for a connection to one search target */ struct client { @@ -97,11 +100,14 @@ struct client { int maxrecs; int startrecs; int diagnostic; + int preferred; enum client_state state; struct show_raw *show_raw; ZOOM_resultset resultset; YAZ_MUTEX mutex; int ref_count; + /* copy of database->url */ + char *url; }; struct show_raw { @@ -146,9 +152,13 @@ void client_set_state(struct client *cl, enum client_state st) that session is not mutex locked if client is already active */ if (was_active && !client_is_active(cl) && cl->session) { + int no_active = session_active_clients(cl->session); - if (no_active == 0) + yaz_log(YLOG_DEBUG, "%s: releasing watches on zero active: %d", client_get_url(cl), no_active); + if (no_active == 0) { session_alert_watch(cl->session, SESSION_WATCH_SHOW); + session_alert_watch(cl->session, SESSION_WATCH_SHOW_PREF); + } } } @@ -442,6 +452,26 @@ static void ingest_raw_record(struct client *cl, ZOOM_record rec) client_show_raw_dequeue(cl); } +void client_check_preferred_watch(struct client *cl) +{ + struct session *se = cl->session; + yaz_log(YLOG_DEBUG, "client_check_preferred_watch: %s ", client_get_url(cl)); + if (se) + { + client_unlock(cl); + if (session_is_preferred_clients_ready(se)) { + session_alert_watch(se, SESSION_WATCH_SHOW_PREF); + } + else + yaz_log(YLOG_DEBUG, "client_check_preferred_watch: Still locked on preferred targets."); + + client_lock(cl); + } + else + yaz_log(YLOG_WARN, "client_check_preferred_watch: %s. No session!", client_get_url(cl)); + +} + void client_search_response(struct client *cl) { struct connection *co = cl->connection; @@ -460,11 +490,16 @@ void client_search_response(struct client *cl) } else { + yaz_log(YLOG_DEBUG, "client_search_response: hits " + ODR_INT_PRINTF, cl->hits); client_report_facets(cl, resultset); cl->record_offset = cl->startrecs; cl->hits = ZOOM_resultset_size(resultset); - if (se) + if (se) { se->total_hits += cl->hits; + yaz_log(YLOG_DEBUG, "client_search_response: total hits " + ODR_INT_PRINTF, se->total_hits); + } } } @@ -562,6 +597,10 @@ static int client_set_facets_request(struct client *cl, ZOOM_connection link) struct session_database *sdb = client_get_database(cl); const char *opt_facet_term_sort = session_setting_oneval(sdb, PZ_TERMLIST_TERM_SORT); const char *opt_facet_term_count = session_setting_oneval(sdb, PZ_TERMLIST_TERM_COUNT); + + /* Future record filtering on target */ + /* const char *opt_facet_record_filter = session_setting_oneval(sdb, PZ_RECORDFILTER); */ + /* Disable when no count is set */ /* TODO Verify: Do we need to reset the ZOOM facets if a ZOOM Connection is being reused??? */ if (opt_facet_term_count && *opt_facet_term_count) @@ -620,13 +659,14 @@ void client_start_search(struct client *cl) ZOOM_connection link = connection_get_link(co); ZOOM_resultset rs; char *databaseName = sdb->database->databases[0]; - const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK); - const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING); - const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS); - const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX); - const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS); - const char *opt_sru = session_setting_oneval(sdb, PZ_SRU); - const char *opt_sort = session_setting_oneval(sdb, PZ_SORT); + const char *opt_piggyback = session_setting_oneval(sdb, PZ_PIGGYBACK); + const char *opt_queryenc = session_setting_oneval(sdb, PZ_QUERYENCODING); + const char *opt_elements = session_setting_oneval(sdb, PZ_ELEMENTS); + const char *opt_requestsyn = session_setting_oneval(sdb, PZ_REQUESTSYNTAX); + const char *opt_maxrecs = session_setting_oneval(sdb, PZ_MAXRECS); + const char *opt_sru = session_setting_oneval(sdb, PZ_SRU); + const char *opt_sort = session_setting_oneval(sdb, PZ_SORT); + const char *opt_preferred = session_setting_oneval(sdb, PZ_PREFERRED); char maxrecs_str[24], startrecs_str[24]; assert(link); @@ -634,6 +674,12 @@ void client_start_search(struct client *cl) cl->hits = -1; cl->record_offset = 0; cl->diagnostic = 0; + + if (opt_preferred) { + cl->preferred = atoi(opt_preferred); + if (cl->preferred) + yaz_log(YLOG_LOG, "Target %s has preferred status: %d", sdb->database->url, cl->preferred); + } client_set_state(cl, Client_Working); if (*opt_piggyback) @@ -649,18 +695,19 @@ void client_start_search(struct client *cl) if (*opt_requestsyn) ZOOM_connection_option_set(link, "preferredRecordSyntax", opt_requestsyn); - if (!*opt_maxrecs) + if (opt_maxrecs && *opt_maxrecs) { - sprintf(maxrecs_str, "%d", cl->maxrecs); - opt_maxrecs = maxrecs_str; + cl->maxrecs = atoi(opt_maxrecs); } - ZOOM_connection_option_set(link, "count", opt_maxrecs); + /* convert back to string representation used in ZOOM API */ + sprintf(maxrecs_str, "%d", cl->maxrecs); + ZOOM_connection_option_set(link, "count", maxrecs_str); - if (atoi(opt_maxrecs) > 20) + if (cl->maxrecs > 20) ZOOM_connection_option_set(link, "presentChunk", "20"); else - ZOOM_connection_option_set(link, "presentChunk", opt_maxrecs); + ZOOM_connection_option_set(link, "presentChunk", maxrecs_str); sprintf(startrecs_str, "%d", cl->startrecs); ZOOM_connection_option_set(link, "start", startrecs_str); @@ -694,27 +741,28 @@ void client_start_search(struct client *cl) struct client *client_create(void) { - struct client *r = xmalloc(sizeof(*r)); - r->maxrecs = 100; - r->startrecs = 0; - r->pquery = 0; - r->cqlquery = 0; - r->database = 0; - r->connection = 0; - r->session = 0; - r->hits = 0; - r->record_offset = 0; - r->diagnostic = 0; - r->state = Client_Disconnected; - r->show_raw = 0; - r->resultset = 0; - r->mutex = 0; - pazpar2_mutex_create(&r->mutex, "client"); - - r->ref_count = 1; + struct client *cl = xmalloc(sizeof(*cl)); + cl->maxrecs = 100; + cl->startrecs = 0; + cl->pquery = 0; + cl->cqlquery = 0; + cl->database = 0; + cl->connection = 0; + cl->session = 0; + cl->hits = 0; + cl->record_offset = 0; + cl->diagnostic = 0; + cl->state = Client_Disconnected; + cl->show_raw = 0; + cl->resultset = 0; + cl->mutex = 0; + pazpar2_mutex_create(&cl->mutex, "client"); + cl->preferred = 0; + cl->ref_count = 1; + cl->url = 0; client_use(1); - return r; + return cl; } void client_lock(struct client *c) @@ -746,6 +794,7 @@ int client_destroy(struct client *c) c->pquery = 0; xfree(c->cqlquery); c->cqlquery = 0; + xfree(c->url); assert(!c->connection); if (c->resultset) @@ -894,7 +943,7 @@ int client_parse_query(struct client *cl, const char *query) if (!cn) { client_set_state(cl, Client_Error); - yaz_log(YLOG_WARN, "Failed to parse CCL query %s for %s", + session_log(se, YLOG_WARN, "Failed to parse CCL query '%s' for %s", query, client_get_database(cl)->database->url); return -1; @@ -971,6 +1020,19 @@ int client_is_active(struct client *cl) return 0; } +int client_is_active_preferred(struct client *cl) +{ + /* only count if this is a preferred target. */ + if (!cl->preferred) + return 0; + /* TODO No sure this the condition that Seb wants */ + if (cl->connection && (cl->state == Client_Connecting || + cl->state == Client_Working)) + return 1; + return 0; +} + + Odr_int client_get_hits(struct client *cl) { return cl->hits; @@ -994,6 +1056,10 @@ int client_get_diagnostic(struct client *cl) void client_set_database(struct client *cl, struct session_database *db) { cl->database = db; + /* Copy the URL for safe logging even after session is gone */ + if (db) { + cl->url = xstrdup(db->database->url); + } } struct host *client_get_host(struct client *cl) @@ -1003,9 +1069,10 @@ struct host *client_get_host(struct client *cl) const char *client_get_url(struct client *cl) { - if (cl->database) - return client_get_database(cl)->database->url; + if (cl->url) + return cl->url; else + /* This must not happen anymore, as the url is present until destruction of client */ return "NOURL"; } @@ -1014,11 +1081,22 @@ void client_set_maxrecs(struct client *cl, int v) cl->maxrecs = v; } +int client_get_maxrecs(struct client *cl) +{ + return cl->maxrecs; +} + void client_set_startrecs(struct client *cl, int v) { cl->startrecs = v; } +void client_set_preferred(struct client *cl, int v) +{ + cl->preferred = v; +} + + /* * Local variables: * c-basic-offset: 4