1 /* $Id: proxyp.h,v 1.3 2005-02-21 14:27:32 adam Exp $
2 Copyright (c) 1998-2005, Index Data.
4 This file is part of the yaz-proxy.
6 YAZ proxy 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 YAZ proxy 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 YAZ proxy; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #include <libxml/parser.h>
24 #include <libxml/tree.h>
25 #include <libxml/xinclude.h>
26 #include <libxslt/xsltutils.h>
27 #include <libxslt/transform.h>
31 #include <objectlist.h>
34 #include <yazproxy/proxy.h>
35 #include <yazproxy/module.h>
37 struct Yaz_RecordCache_Entry;
44 int convert(const char *stage1, const char *stage2,
45 const char *input, int input_len,
46 char **output, int *output_len);
55 class Yaz_ProxyConfig {
59 int read_xml(const char *fname);
61 int get_target_no(int no,
70 int *keepalive_limit_bw,
71 int *keepalive_limit_pdu,
74 const char **authentication,
75 const char **negotiation_charset,
76 const char **negotiation_lang);
78 void get_generic_info(int *log_mask, int *max_clients);
80 void get_target_info(const char *name, const char **url,
81 int *limit_bw, int *limit_pdu, int *limit_req,
82 int *target_idletime, int *client_idletime,
84 int *keepalive_limit_bw, int *keepalive_limit_pdu,
87 const char **negotiation_charset,
88 const char **negotiation_lang);
90 const char *check_mime_type(const char *path);
91 int check_query(ODR odr, const char *name, Z_Query *query, char **addinfo);
92 int check_syntax(ODR odr, const char *name,
93 Odr_oid *syntax, Z_RecordComposition *comp,
94 char **addinfo, char **stylesheet, char **schema,
95 char **backend_type, char **backend_charset,
96 char **usemarcon_ini_stage1, char **usemarcon_ini_stage2);
98 void target_authentication(const char *name,
102 int client_authentication(const char *name,
103 const char *user, const char *group,
104 const char *password);
105 char *get_explain_doc(ODR odr, const char *name, const char *db,
107 const char *get_explain_name(const char *db, const char **backend_db);
109 void operator=(const Yaz_ProxyConfig &conf);
110 class Yaz_ProxyConfigP *m_cp;
113 class Yaz_RecordCache {
117 void add (ODR o, Z_NamePlusRecordList *npr, int start, int hits);
119 int lookup (ODR o, Z_NamePlusRecordList **npr, int start, int num,
120 Odr_oid *syntax, Z_RecordComposition *comp);
123 void copy_searchRequest(Z_SearchRequest *sr);
124 void copy_presentRequest(Z_PresentRequest *pr);
125 void set_max_size(int sz);
128 Yaz_RecordCache_Entry *m_entries;
129 Z_SearchRequest *m_searchRequest;
130 Z_PresentRequest *m_presentRequest;
131 int match (Yaz_RecordCache_Entry *entry,
132 Odr_oid *syntax, int offset,
133 Z_RecordComposition *comp);
137 class Yaz_ProxyClient : public Yaz_Z_Assoc {
138 friend class Yaz_Proxy;
139 Yaz_ProxyClient(IYaz_PDU_Observable *the_PDU_Observable,
142 void recv_GDU(Z_GDU *apdu, int len);
143 void recv_Z_PDU(Z_APDU *apdu, int len);
144 void recv_HTTP_response(Z_HTTP_Response *apdu, int len);
145 IYaz_PDU_Observer* sessionNotify
146 (IYaz_PDU_Observable *the_PDU_Observable, int fd);
150 void timeoutNotify();
151 void connectNotify();
152 int send_to_target(Z_APDU *apdu);
153 const char *get_session_str();
155 Yaz_ProxyClient *m_next;
156 Yaz_ProxyClient **m_prev;
158 Yaz_Z_Query *m_last_query;
159 Yaz_Z_Databases m_last_databases;
160 char *m_last_resultSetId;
162 int m_last_resultCount;
166 int m_resultSetStartPoint;
171 Z_APDU *m_initResponse;
172 Z_Options *m_initResponse_options;
173 Z_ProtocolVersion *m_initResponse_version;
174 int m_initResponse_preferredMessageSize;
175 int m_initResponse_maximumRecordSize;
176 Yaz_RecordCache m_cache;
177 void pre_init_client();
178 int m_target_idletime;