--- /dev/null
+/* This file is part of Pazpar2.
+ Copyright (C) 2006-2010 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
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*/
+
+#ifndef PAZPAR2_SESSION_H
+#define PAZPAR2_SESSION_H
+
+#include <yaz/comstack.h>
+#include <yaz/pquery.h>
+#include <yaz/ccl.h>
+#include <yaz/yaz-ccl.h>
+
+#include "termlists.h"
+#include "reclists.h"
+#include "http.h"
+
+struct record;
+struct client;
+
+
+enum pazpar2_error_code {
+ PAZPAR2_NO_ERROR = 0,
+
+ PAZPAR2_NO_SESSION,
+ PAZPAR2_MISSING_PARAMETER,
+ PAZPAR2_MALFORMED_PARAMETER_VALUE,
+ PAZPAR2_MALFORMED_PARAMETER_ENCODING,
+ PAZPAR2_MALFORMED_SETTING,
+ PAZPAR2_HITCOUNTS_FAILED,
+ PAZPAR2_RECORD_MISSING,
+ PAZPAR2_NO_TARGETS,
+ PAZPAR2_CONFIG_TARGET,
+ PAZPAR2_RECORD_FAIL,
+ PAZPAR2_NOT_IMPLEMENTED,
+ PAZPAR2_NO_SERVICE,
+
+ PAZPAR2_LAST_ERROR
+};
+
+struct host;
+// Represents a (virtual) database on a host
+struct database {
+ struct host *host;
+ char *url;
+ char **databases;
+ int errors;
+ struct zr_explain *explain;
+ int num_settings;
+ struct setting **settings;
+ struct database *next;
+};
+
+
+// Represents a database as viewed from one session, possibly with settings overriden
+// for that session
+struct session_database
+{
+ struct database *database;
+ int num_settings;
+ struct setting **settings;
+ normalize_record_t map;
+ struct session_database *next;
+};
+
+#define SESSION_WATCH_SHOW 0
+#define SESSION_WATCH_RECORD 1
+#define SESSION_WATCH_MAX 1
+
+#define SESSION_MAX_TERMLISTS 10
+
+typedef void (*session_watchfun)(void *data);
+
+struct named_termlist
+{
+ char *name;
+ struct termlist *termlist;
+};
+
+struct session_watchentry {
+ void *data;
+ http_channel_observer_t obs;
+ session_watchfun fun;
+};
+
+// End-user session
+struct session {
+ struct conf_service *service; /* service in use for this session */
+ struct session_database *databases; // All databases, settings overriden
+ struct client *clients; // Clients connected for current search
+ NMEM session_nmem; // Nmem for session-permanent storage
+ NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
+ WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
+ int num_termlists;
+ struct named_termlist termlists[SESSION_MAX_TERMLISTS];
+ struct relevance *relevance;
+ struct reclist *reclist;
+ struct session_watchentry watchlist[SESSION_WATCH_MAX + 1];
+ Odr_int total_hits;
+ int total_records;
+ int total_merged;
+ int number_of_warnings_unknown_elements;
+ int number_of_warnings_unknown_metadata;
+ normalize_cache_t normalize_cache;
+ YAZ_MUTEX mutex;
+};
+
+struct statistics {
+ int num_clients;
+ int num_no_connection;
+ int num_connecting;
+ int num_working;
+ int num_idle;
+ int num_failed;
+ int num_error;
+ Odr_int num_hits;
+ int num_records;
+};
+
+struct hitsbytarget {
+ char *id;
+ const char *name;
+ Odr_int hits;
+ int diagnostic;
+ int records;
+ const char *state;
+ int connected;
+ WRBUF settings_xml;
+};
+
+struct hitsbytarget *hitsbytarget(struct session *s, int *count, NMEM nmem);
+struct session *new_session(NMEM nmem, struct conf_service *service);
+void destroy_session(struct session *s);
+void session_init_databases(struct session *s);
+int load_targets(struct session *s, const char *fn);
+void statistics(struct session *s, struct statistics *stat);
+enum pazpar2_error_code search(struct session *s, const char *query,
+ const char *startrecs, const char *maxrecs,
+ const char *filter, const char **addinfo);
+struct record_cluster **show_range_start(struct session *s,
+ struct reclist_sortparms *sp,
+ int start,
+ int *num, int *total, Odr_int *sumhits);
+void show_range_stop(struct session *s, struct record_cluster **recs);
+
+struct record_cluster *show_single_start(struct session *s, const char *id,
+ struct record_cluster **prev_r,
+ struct record_cluster **next_r);
+void show_single_stop(struct session *s, struct record_cluster *rec);
+struct termlist_score **termlist(struct session *s, const char *name, int *num);
+int session_set_watch(struct session *s, int what, session_watchfun fun, void *data, struct http_channel *c);
+int session_active_clients(struct session *s);
+void session_apply_setting(struct session *se, char *dbname, char *setting, char *value);
+const char *session_setting_oneval(struct session_database *db, int offset);
+
+int host_getaddrinfo(struct host *host, iochan_man_t iochan_man);
+
+int ingest_record(struct client *cl, const char *rec, int record_no, NMEM nmem);
+void session_alert_watch(struct session *s, int what);
+void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
+
+#endif
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / pazpar2-moved-to-github.git / blobdiff