1 /* $Id: pazpar2.h,v 1.34 2007-04-23 21:05:23 adam Exp $
2 Copyright (c) 2006-2007, Index Data.
4 This file is part of Pazpar2.
6 Pazpar2 is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Pazpar2; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
28 #include <libxslt/xsltutils.h>
29 #include <libxslt/transform.h>
31 #include <yaz/comstack.h>
32 #include <yaz/pquery.h>
34 #include <yaz/yaz-ccl.h>
36 #include "termlists.h"
37 #include "relevance.h"
41 #include "parameters.h"
48 // Represents a (virtual) database on a host
54 struct zr_explain *explain;
55 struct setting **settings;
56 struct database *next;
59 struct database_criterion_value {
61 struct database_criterion_value *next;
64 struct database_criterion {
66 struct database_criterion_value *values;
67 struct database_criterion *next;
70 // Normalization filter. Turns incoming record into internal representation
71 // Simple sequence of stylesheets run in series.
72 struct database_retrievalmap {
73 xsltStylesheet *stylesheet;
74 struct database_retrievalmap *next;
77 // Represents a database as viewed from one session, possibly with settings overriden
79 struct session_database
81 struct database *database;
82 struct setting **settings;
84 struct database_retrievalmap *map;
85 struct session_database *next;
88 #define SESSION_WATCH_RECORDS 0
89 #define SESSION_WATCH_MAX 0
91 #define SESSION_MAX_TERMLISTS 10
93 typedef void (*session_watchfun)(void *data);
98 struct termlist *termlist;
103 struct session_database *databases; // All databases, settings overriden
104 struct client *clients; // Clients connected for current search
106 NMEM session_nmem; // Nmem for session-permanent storage
107 NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
108 WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
110 struct named_termlist termlists[SESSION_MAX_TERMLISTS];
111 struct relevance *relevance;
112 struct reclist *reclist;
115 session_watchfun fun;
116 } watchlist[SESSION_WATCH_MAX + 1];
117 int expected_maxrecs;
125 int num_no_connection;
127 int num_initializing;
137 struct hitsbytarget {
147 struct hitsbytarget *hitsbytarget(struct session *s, int *count);
148 int select_targets(struct session *se, struct database_criterion *crit);
149 struct session *new_session(NMEM nmem);
150 void destroy_session(struct session *s);
151 int load_targets(struct session *s, const char *fn);
152 void statistics(struct session *s, struct statistics *stat);
153 char *search(struct session *s, char *query, char *filter);
154 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp, int start,
155 int *num, int *total, int *sumhits, NMEM nmem_show);
156 struct record_cluster *show_single(struct session *s, int id);
157 struct termlist_score **termlist(struct session *s, const char *name, int *num);
158 void session_set_watch(struct session *s, int what, session_watchfun fun, void *data);
159 int session_active_clients(struct session *s);
160 void session_apply_setting(struct session *se, char *dbname, char *setting, char *value);
161 char *session_setting_oneval(struct session_database *db, int offset);
163 void start_http_listener(void);
164 void start_proxy(void);
165 void start_zproxy(void);
167 void pazpar2_add_channel(IOCHAN c);
168 void pazpar2_event_loop(void);
170 int host_getaddrinfo(struct host *host);
172 xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec);
173 void connection_destroy(struct connection *co);
175 struct record *ingest_record(struct client *cl, Z_External *rec,
177 void session_alert_watch(struct session *s, int what);
178 void connection_release(struct connection *co);
179 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
186 * indent-tabs-mode: nil
188 * vim: shiftwidth=4 tabstop=8 expandtab