/* $Id: proxyp.h,v 1.16 2006/04/06 16:25:21 adam Exp $
Copyright (c) 1998-2006, Index Data.
This file is part of the yazproxy.
YAZ proxy is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with YAZ proxy; see the file LICENSE. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#if HAVE_XSLT
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xinclude.h>
#include <libxslt/xsltutils.h>
#include <libxslt/transform.h>
#endif
#if HAVE_USEMARCON
#include <objectlist.h>
#endif
#include <yazpp/record-cache.h>
#include <yazproxy/proxy.h>
#include <yazproxy/module.h>
struct Yaz_RecordCache_Entry;
class Yaz_usemarcon {
public:
Yaz_usemarcon();
~Yaz_usemarcon();
int convert(const char *stage1, const char *stage2,
const char *input, int input_len,
char **output, int *output_len);
#if HAVE_USEMARCON
CDetails *m_stage1;
CDetails *m_stage2;
#else
int dummy;
#endif
};
class Yaz_CharsetConverter {
public:
Yaz_CharsetConverter();
~Yaz_CharsetConverter();
void set_target_query_charset(const char *s);
void set_client_query_charset(const char *org);
const char *get_client_query_charset(void);
const char *get_target_query_charset(void);
void convert_type_1(Z_RPNQuery *q, ODR o);
void set_client_charset_selected(int sel);
int get_client_charset_selected();
private:
void convert_type_1(char *buf_in, int len_in,
char **buf_out, int *len_out,
ODR o);
void convert_type_1(Z_Term *q, ODR o);
void convert_type_1(Z_RPNStructure *q, ODR o);
void convert_type_1(Z_Operand *q, ODR o);
char *m_target_query_charset;
char *m_client_query_charset;
int m_client_charset_selected;
yaz_iconv_t m_ct;
WRBUF m_wrbuf;
};
class Yaz_ProxyConfig {
public:
Yaz_ProxyConfig();
~Yaz_ProxyConfig();
int read_xml(const char *fname);
int get_target_no(int no,
const char **name,
const char **url,
int *limit_bw,
int *limit_pdu,
int *limit_req,
int *limit_search,
int *target_idletime,
int *client_idletime,
int *max_clients,
int *keepalive_limit_bw,
int *keepalive_limit_pdu,
int *pre_init,
const char **cql2rpn,
const char **authentication,
const char **negotiation_charset,
const char **negotiation_lang,
const char **query_charset,
const char **default_client_query_charset);
void get_generic_info(int *log_mask, int *max_clients,
int *max_connect, int *limit_connect,
int *period_connect);
int get_file_access_info(const char *path);
void get_target_info(const char *name, const char **url,
int *limit_bw, int *limit_pdu, int *limit_req,
int *limit_search,
int *target_idletime, int *client_idletime,
int *max_clients,
int *keepalive_limit_bw, int *keepalive_limit_pdu,
int *pre_init,
const char **cql2rpn,
const char **negotiation_charset,
const char **negotiation_lang,
const char **query_charset,
const char **default_client_query_charset);
const char *check_mime_type(const char *path);
int check_query(ODR odr, const char *name, Z_Query *query, char **addinfo);
int check_syntax(ODR odr, const char *name,
Odr_oid *syntax, Z_RecordComposition *comp,
char **addinfo, char **stylesheet, char **schema,
char **backend_type, char **backend_charset,
char **usemarcon_ini_stage1, char **usemarcon_ini_stage2);
void target_authentication(const char *name,
ODR odr,
Z_InitRequest *req);
int client_authentication(const char *name,
const char *user, const char *group,
const char *password,
const char *peer_IP);
char *get_explain_doc(ODR odr, const char *name, const char *db,
int *len);
const char *get_explain_name(const char *db, const char **backend_db);
private:
void operator=(const Yaz_ProxyConfig &conf);
class Yaz_ProxyConfigP *m_cp;
};
class Yaz_ProxyClient : public yazpp_1::Z_Assoc {
friend class Yaz_Proxy;
Yaz_ProxyClient(yazpp_1::IPDU_Observable *the_PDU_Observable,
Yaz_Proxy *parent);
~Yaz_ProxyClient();
void recv_GDU(Z_GDU *apdu, int len);
void recv_Z_PDU(Z_APDU *apdu, int len);
void recv_HTTP_response(Z_HTTP_Response *apdu, int len);
IPDU_Observer* sessionNotify
(yazpp_1::IPDU_Observable *the_PDU_Observable, int fd);
void shutdown();
Yaz_Proxy *m_server;
void failNotify();
void timeoutNotify();
void connectNotify();
int send_to_target(Z_APDU *apdu);
const char *get_session_str();
char *m_cookie;
Yaz_ProxyClient *m_next;
Yaz_ProxyClient **m_prev;
int m_init_flag;
yazpp_1::Yaz_Z_Query *m_last_query;
yazpp_1::Yaz_Z_Databases m_last_databases;
char *m_last_resultSetId;
int m_last_ok;
int m_last_resultCount;
int m_sr_transform;
int m_seqno;
int m_waiting;
int m_resultSetStartPoint;
int m_bytes_sent;
int m_bytes_recv;
int m_pdu_recv;
ODR m_init_odr;
Z_APDU *m_initResponse;
Z_Options *m_initResponse_options;
Z_ProtocolVersion *m_initResponse_version;
int m_initResponse_preferredMessageSize;
int m_initResponse_maximumRecordSize;
yazpp_1::RecordCache m_cache;
void pre_init_client();
int m_target_idletime;
Yaz_Proxy *m_root;
char *m_idAuthentication_ber_buf;
int m_idAuthentication_ber_size;
ODR m_idAuthentication_odr;
void set_idAuthentication(Z_APDU *apdu);
bool compare_idAuthentication(Z_APDU *apdu);
bool compare_charset(Z_APDU *apdu);
};
/*
* Local variables:
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
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