1 /* This file is part of YAZ proxy
2 Copyright (C) 1998-2011 Index Data
4 YAZ proxy 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 YAZ proxy 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 #include <libxml/parser.h>
21 #include <libxml/tree.h>
22 #include <libxml/xinclude.h>
23 #include <libxslt/xsltutils.h>
24 #include <libxslt/transform.h>
28 #include <usemarconlib.h>
32 #include <yazpp/record-cache.h>
33 #include <yazproxy/proxy.h>
34 #include <yazproxy/module.h>
36 struct Yaz_RecordCache_Entry;
43 int convert(const char *stage1, const char *stage2,
44 const char *input, int input_len,
45 char **output, int *output_len);
54 class Yaz_CharsetConverter {
56 Yaz_CharsetConverter();
57 ~Yaz_CharsetConverter();
58 void set_target_query_charset(const char *s);
59 void set_client_query_charset(const char *org);
60 const char *get_client_query_charset(void);
61 const char *get_target_query_charset(void);
62 void convert_type_1(Z_RPNQuery *q, ODR o);
63 void set_client_charset_selected(int sel);
64 int get_client_charset_selected();
66 void convert_type_1(char *buf_in, int len_in,
67 char **buf_out, int *len_out,
69 void convert_type_1(Z_Term *q, ODR o);
70 void convert_type_1(Z_RPNStructure *q, ODR o);
71 void convert_type_1(Z_Operand *q, ODR o);
72 char *m_target_query_charset;
73 char *m_client_query_charset;
74 int m_client_charset_selected;
79 class Yaz_ProxyConfig {
83 int read_xml(const char *fname);
85 int get_target_no(int no,
96 int *keepalive_limit_bw,
97 int *keepalive_limit_pdu,
100 const char **authentication,
101 const char **negotiation_charset,
102 const char **negotiation_lang,
103 const char **query_charset,
104 const char **default_client_query_charset);
106 void get_generic_info(int *log_mask, int *max_clients,
107 int *max_connect, int *limit_connect,
111 int get_file_access_info(const char *path);
113 void get_target_info(const char *name, const char **url,
114 int *limit_bw, int *limit_pdu, int *limit_req,
116 int *target_idletime, int *client_idletime,
119 int *keepalive_limit_bw, int *keepalive_limit_pdu,
121 const char **cql2rpn,
122 const char **negotiation_charset,
123 const char **negotiation_lang,
124 const char **query_charset,
125 const char **default_client_query_charset);
127 const char *check_mime_type(const char *path);
128 int check_query(ODR odr, const char *name, Z_Query *query, char **addinfo);
129 int check_syntax(ODR odr, const char *name,
130 Odr_oid *syntax, Z_RecordComposition *comp,
131 char **addinfo, char **stylesheet, char **schema,
132 char **backend_type, char **backend_charset,
133 char **usemarcon_ini_stage1, char **usemarcon_ini_stage2);
135 void target_authentication(const char *name,
139 int client_authentication(const char *name,
140 const char *user, const char *group,
141 const char *password,
142 const char *peer_IP);
143 int global_client_authentication(const char *user, const char *group,
144 const char *password,
145 const char *peer_IP);
146 char *get_explain_doc(ODR odr, const char *name, const char *db,
147 int *len, int *http_status);
148 const char *get_explain_name(const char *db, const char **backend_db);
150 void operator=(const Yaz_ProxyConfig &conf);
151 class Yaz_ProxyConfigP *m_cp;
154 class Yaz_ProxyClient : public yazpp_1::Z_Assoc {
155 friend class Yaz_Proxy;
156 Yaz_ProxyClient(yazpp_1::IPDU_Observable *the_PDU_Observable,
159 void recv_GDU(Z_GDU *apdu, int len);
160 void recv_Z_PDU(Z_APDU *apdu, int len);
161 void recv_HTTP_response(Z_HTTP_Response *apdu, int len);
162 IPDU_Observer* sessionNotify
163 (yazpp_1::IPDU_Observable *the_PDU_Observable, int fd);
167 void timeoutNotify();
168 void connectNotify();
169 int send_to_target(Z_APDU *apdu);
170 const char *get_session_str();
172 Yaz_ProxyClient *m_next;
173 Yaz_ProxyClient **m_prev;
175 yazpp_1::Yaz_Z_Query *m_last_query;
176 yazpp_1::Yaz_Z_Databases m_last_databases;
177 char *m_last_resultSetId;
179 Odr_int m_last_resultCount;
183 int m_resultSetStartPoint;
188 Z_APDU *m_initResponse;
189 Z_Options *m_initResponse_options;
190 Z_ProtocolVersion *m_initResponse_version;
191 int m_initResponse_preferredMessageSize;
192 int m_initResponse_maximumRecordSize;
193 yazpp_1::RecordCache m_cache;
194 void pre_init_client();
195 int m_target_idletime;
197 char *m_idAuthentication_ber_buf;
198 int m_idAuthentication_ber_size;
199 ODR m_idAuthentication_odr;
200 void set_idAuthentication(Z_APDU *apdu);
201 bool compare_idAuthentication(Z_APDU *apdu);
202 bool compare_charset(Z_APDU *apdu);
208 * c-file-style: "Stroustrup"
209 * indent-tabs-mode: nil
211 * vim: shiftwidth=4 tabstop=8 expandtab