1 /* $Id: pazpar2.h,v 1.36 2007-05-10 11:46:09 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"
46 // Represents a (virtual) database on a host
52 struct zr_explain *explain;
53 struct setting **settings;
54 struct database *next;
57 struct database_criterion_value {
59 struct database_criterion_value *next;
62 struct database_criterion {
64 struct database_criterion_value *values;
65 struct database_criterion *next;
68 // Normalization filter. Turns incoming record into internal representation
69 // Simple sequence of stylesheets run in series.
70 struct database_retrievalmap {
71 xsltStylesheet *stylesheet;
72 struct database_retrievalmap *next;
75 // Represents a database as viewed from one session, possibly with settings overriden
77 struct session_database
80 struct database *database;
81 struct setting **settings;
83 struct database_retrievalmap *map;
84 struct session_database *next;
87 #define SESSION_WATCH_RECORDS 0
88 #define SESSION_WATCH_MAX 0
90 #define SESSION_MAX_TERMLISTS 10
92 typedef void (*session_watchfun)(void *data);
97 struct termlist *termlist;
102 struct session_database *databases; // All databases, settings overriden
103 struct client *clients; // Clients connected for current search
105 NMEM session_nmem; // Nmem for session-permanent storage
106 NMEM nmem; // Nmem for each operation (i.e. search, result set, etc)
107 WRBUF wrbuf; // Wrbuf for scratch(i.e. search)
109 struct named_termlist termlists[SESSION_MAX_TERMLISTS];
110 struct relevance *relevance;
111 struct reclist *reclist;
114 session_watchfun fun;
115 } watchlist[SESSION_WATCH_MAX + 1];
116 int expected_maxrecs;
124 int num_no_connection;
126 int num_initializing;
136 struct hitsbytarget {
146 struct hitsbytarget *hitsbytarget(struct session *s, int *count);
147 int select_targets(struct session *se, struct database_criterion *crit);
148 struct session *new_session(NMEM nmem);
149 void destroy_session(struct session *s);
150 int load_targets(struct session *s, const char *fn);
151 void statistics(struct session *s, struct statistics *stat);
152 char *search(struct session *s, char *query, char *filter);
153 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp, int start,
154 int *num, int *total, int *sumhits, NMEM nmem_show);
155 struct record_cluster *show_single(struct session *s, int id);
156 struct termlist_score **termlist(struct session *s, const char *name, int *num);
157 void session_set_watch(struct session *s, int what, session_watchfun fun, void *data);
158 int session_active_clients(struct session *s);
159 void session_apply_setting(struct session *se, char *dbname, char *setting, char *value);
160 char *session_setting_oneval(struct session_database *db, int offset);
162 void start_http_listener(void);
163 void start_proxy(void);
164 void start_zproxy(void);
166 void pazpar2_add_channel(IOCHAN c);
167 void pazpar2_event_loop(void);
169 int host_getaddrinfo(struct host *host);
171 xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec);
173 struct record *ingest_record(struct client *cl, Z_External *rec,
175 void session_alert_watch(struct session *s, int what);
176 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num);
183 * indent-tabs-mode: nil
185 * vim: shiftwidth=4 tabstop=8 expandtab