1 /* This file is part of Pazpar2.
2 Copyright (C) 2006-2010 Index Data
4 Pazpar2 is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef PAZPAR2_SESSION_H
21 #define PAZPAR2_SESSION_H
23 #include <yaz/comstack.h>
24 #include <yaz/pquery.h>
26 #include <yaz/yaz-ccl.h>
28 #include "termlists.h"
36 enum pazpar2_error_code {
40 PAZPAR2_MISSING_PARAMETER,
41 PAZPAR2_MALFORMED_PARAMETER_VALUE,
42 PAZPAR2_MALFORMED_PARAMETER_ENCODING,
43 PAZPAR2_MALFORMED_SETTING,
44 PAZPAR2_HITCOUNTS_FAILED,
45 PAZPAR2_RECORD_MISSING,
47 PAZPAR2_CONFIG_TARGET,
49 PAZPAR2_NOT_IMPLEMENTED,
56 // Represents a (virtual) database on a host
62 struct zr_explain *explain;
64 struct setting **settings;
65 struct database *next;
69 // Represents a database as viewed from one session, possibly with settings overriden
71 struct session_database
73 struct database *database;
75 struct setting **settings;
76 normalize_record_t map;
77 struct session_database *next;
80 #define SESSION_WATCH_SHOW 0
81 #define SESSION_WATCH_RECORD 1
82 #define SESSION_WATCH_SHOW_PREF 2
83 #define SESSION_WATCH_MAX 2
85 #define SESSION_MAX_TERMLISTS 10
87 typedef void (*session_watchfun)(void *data);
92 struct termlist *termlist;
95 struct session_watchentry {
97 http_channel_observer_t obs;
105 struct conf_service *service; /* service in use for this session */
106 struct session_database *databases; // All databases, settings overriden
107 struct client_list *clients; // Clients connected for current search
108 NMEM session_nmem; // Nmem for session-permanent storage
109 NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
110 WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
112 struct named_termlist termlists[SESSION_MAX_TERMLISTS];
113 struct relevance *relevance;
114 struct reclist *reclist;
115 struct session_watchentry watchlist[SESSION_WATCH_MAX + 1];
119 int number_of_warnings_unknown_elements;
120 int number_of_warnings_unknown_metadata;
121 normalize_cache_t normalize_cache;
122 YAZ_MUTEX session_mutex;
128 int num_no_connection;
138 struct hitsbytarget {
149 struct hitsbytarget *hitsbytarget(struct session *s, int *count, NMEM nmem);
150 struct session *new_session(NMEM nmem, struct conf_service *service,
151 unsigned session_id);
152 void destroy_session(struct session *s);
153 void session_init_databases(struct session *s);
154 int load_targets(struct session *s, const char *fn);
155 void statistics(struct session *s, struct statistics *stat);
156 enum pazpar2_error_code search(struct session *s, const char *query,
157 const char *startrecs, const char *maxrecs,
158 const char *filter, const char **addinfo);
159 struct record_cluster **show_range_start(struct session *s,
160 struct reclist_sortparms *sp,
162 int *num, int *total, Odr_int *sumhits);
163 void show_range_stop(struct session *s, struct record_cluster **recs);
165 struct record_cluster *show_single_start(struct session *s, const char *id,
166 struct record_cluster **prev_r,
167 struct record_cluster **next_r);
168 void show_single_stop(struct session *s, struct record_cluster *rec);
169 struct termlist_score **termlist(struct session *s, const char *name, int *num);
170 int session_set_watch(struct session *s, int what, session_watchfun fun, void *data, struct http_channel *c);
171 int session_active_clients(struct session *s);
172 int session_is_preferred_clients_ready(struct session *s);
173 void session_apply_setting(struct session *se, char *dbname, char *setting, char *value);
174 const char *session_setting_oneval(struct session_database *db, int offset);
176 int host_getaddrinfo(struct host *host, iochan_man_t iochan_man);
178 int ingest_record(struct client *cl, const char *rec, int record_no, NMEM nmem);
179 void session_alert_watch(struct session *s, int what);
180 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
182 void add_facet(struct session *s, const char *type, const char *value, int count);
183 void session_log(struct session *s, int level, const char *fmt, ...)
185 __attribute__ ((format (printf, 3, 4)))
193 * c-file-style: "Stroustrup"
194 * indent-tabs-mode: nil
196 * vim: shiftwidth=4 tabstop=8 expandtab