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_MAX 1
84 #define SESSION_MAX_TERMLISTS 10
86 typedef void (*session_watchfun)(void *data);
91 struct termlist *termlist;
94 struct session_watchentry {
96 http_channel_observer_t obs;
104 struct conf_service *service; /* service in use for this session */
105 struct session_database *databases; // All databases, settings overriden
106 struct client_list *clients; // Clients connected for current search
107 NMEM session_nmem; // Nmem for session-permanent storage
108 NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
109 WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
111 struct named_termlist termlists[SESSION_MAX_TERMLISTS];
112 struct relevance *relevance;
113 struct reclist *reclist;
114 struct session_watchentry watchlist[SESSION_WATCH_MAX + 1];
118 int number_of_warnings_unknown_elements;
119 int number_of_warnings_unknown_metadata;
120 normalize_cache_t normalize_cache;
126 int num_no_connection;
136 struct hitsbytarget {
147 struct hitsbytarget *hitsbytarget(struct session *s, int *count, NMEM nmem);
148 struct session *new_session(NMEM nmem, struct conf_service *service,
150 void destroy_session(struct session *s);
151 void session_init_databases(struct session *s);
152 int load_targets(struct session *s, const char *fn);
153 void statistics(struct session *s, struct statistics *stat);
154 enum pazpar2_error_code search(struct session *s, const char *query,
155 const char *startrecs, const char *maxrecs,
156 const char *filter, const char **addinfo);
157 struct record_cluster **show_range_start(struct session *s,
158 struct reclist_sortparms *sp,
160 int *num, int *total, Odr_int *sumhits);
161 void show_range_stop(struct session *s, struct record_cluster **recs);
163 struct record_cluster *show_single_start(struct session *s, const char *id,
164 struct record_cluster **prev_r,
165 struct record_cluster **next_r);
166 void show_single_stop(struct session *s, struct record_cluster *rec);
167 struct termlist_score **termlist(struct session *s, const char *name, int *num);
168 int session_set_watch(struct session *s, int what, session_watchfun fun, void *data, struct http_channel *c);
169 int session_active_clients(struct session *s);
170 void session_apply_setting(struct session *se, char *dbname, char *setting, char *value);
171 const char *session_setting_oneval(struct session_database *db, int offset);
173 int host_getaddrinfo(struct host *host, iochan_man_t iochan_man);
175 int ingest_record(struct client *cl, const char *rec, int record_no, NMEM nmem);
176 void session_alert_watch(struct session *s, int what);
177 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
184 * c-file-style: "Stroustrup"
185 * indent-tabs-mode: nil
187 * vim: shiftwidth=4 tabstop=8 expandtab