-/* $Id: proxy.h,v 1.5 2004-08-10 09:02:16 adam Exp $
- Copyright (c) 1998-2004, Index Data.
+/* $Id: proxy.h,v 1.13 2005-02-21 14:27:32 adam Exp $
+ Copyright (c) 1998-2005, Index Data.
This file is part of the yaz-proxy.
02111-1307, USA.
*/
+#ifndef YAZ_PROXY_H_INCLUDED
+#define YAZ_PROXY_H_INCLUDED
+
#include <yaz++/z-assoc.h>
#include <yaz++/z-query.h>
#include <yaz++/z-databases.h>
#define PROXY_LOG_REQ_CLIENT 4
#define PROXY_LOG_REQ_SERVER 8
-struct Yaz_RecordCache_Entry;
-class Yaz_ProxyConfigP;
-
-class YAZ_EXPORT 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 *target_idletime,
- int *client_idletime,
- int *max_clients,
- int *keepalive_limit_bw,
- int *keepalive_limit_pdu,
- int *pre_init,
- const char **cql2rpn);
-
- void get_generic_info(int *log_mask, int *max_clients);
-
- void get_target_info(const char *name, const char **url,
- int *limit_bw, int *limit_pdu, int *limit_req,
- int *target_idletime, int *client_idletime,
- int *max_clients,
- int *keepalive_limit_bw, int *keepalive_limit_pdu,
- int *pre_init,
- const char **cql2rpn);
-
- 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 *get_explain(ODR odr, const char *name, const char *db,
- int *len);
-private:
- void operator=(const Yaz_ProxyConfig &conf);
- class Yaz_ProxyConfigP *m_cp;
-};
-
-class YAZ_EXPORT Yaz_RecordCache {
- public:
- Yaz_RecordCache ();
- ~Yaz_RecordCache ();
- void add (ODR o, Z_NamePlusRecordList *npr, int start, int hits);
-
- int lookup (ODR o, Z_NamePlusRecordList **npr, int start, int num,
- Odr_oid *syntax, Z_RecordComposition *comp);
- void clear();
-
- void copy_searchRequest(Z_SearchRequest *sr);
- void copy_presentRequest(Z_PresentRequest *pr);
- void set_max_size(int sz);
- private:
- NMEM m_mem;
- Yaz_RecordCache_Entry *m_entries;
- Z_SearchRequest *m_searchRequest;
- Z_PresentRequest *m_presentRequest;
- int match (Yaz_RecordCache_Entry *entry,
- Odr_oid *syntax, int offset,
- Z_RecordComposition *comp);
- int m_max_size;
-};
-
-/// Private class
-class YAZ_EXPORT Yaz_ProxyClient : public Yaz_Z_Assoc {
- friend class Yaz_Proxy;
- Yaz_ProxyClient(IYaz_PDU_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);
- IYaz_PDU_Observer* sessionNotify
- (IYaz_PDU_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;
- Yaz_Z_Query *m_last_query;
- 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;
- Yaz_RecordCache m_cache;
- void pre_init_client();
- int m_target_idletime;
- Yaz_Proxy *m_root;
-};
-
+class Yaz_usemarcon;
+class Yaz_ProxyConfig;
+class Yaz_ProxyClient;
/// Information Retrieval Proxy Server.
class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc {
private:
char *get_cookie(Z_OtherInformation **otherInfo);
char *get_proxy(Z_OtherInformation **otherInfo);
+ void get_charset_and_lang_negotiation(Z_OtherInformation **otherInfo,
+ char **charstes, char **langs, int *selected);
Yaz_ProxyClient *get_client(Z_APDU *apdu, const char *cookie,
const char *proxy_host);
+ void srw_get_client(const char *db, const char **backend_db);
Z_APDU *result_set_optimize(Z_APDU *apdu);
void shutdown();
-
+ void releaseClient();
Yaz_ProxyClient *m_client;
IYaz_PDU_Observable *m_PDU_Observable;
Yaz_ProxyClient *m_clientPool;
int m_keepalive_limit_pdu;
int m_client_idletime;
int m_target_idletime;
+ int m_debug_mode;
char *m_proxyTarget;
char *m_default_target;
- char *m_proxy_authentication;
+ char *m_proxy_negotiation_charset;
+ char *m_proxy_negotiation_lang;
long m_seed;
char *m_optimize;
int m_session_no; // sequence for each client session
Z_GDU *m_bw_hold_PDU;
int m_max_record_retrieve;
void handle_max_record_retrieve(Z_APDU *apdu);
+ int handle_authentication(Z_APDU *apdu);
void display_diagrecs(Z_DiagRec **pp, int num);
Z_Records *create_nonSurrogateDiagnostics(ODR o, int error,
const char *addinfo);
Z_APDU *handle_query_transformation(Z_APDU *apdu);
Z_APDU *handle_syntax_validation(Z_APDU *apdu);
+
+ void handle_charset_lang_negotiation(Z_APDU *apdu);
+
const char *load_balance(const char **url);
int m_reconfig_flag;
Yaz_ProxyConfig *check_reconfigure();
Z_NamePlusRecordList *m_stylesheet_nprl;
char *m_schema;
char *m_backend_type;
+ char *m_backend_charset;
int m_frontend_type;
void convert_to_frontend_type(Z_NamePlusRecordList *p);
- void convert_to_marcxml(Z_NamePlusRecordList *p);
+ void convert_to_marcxml(Z_NamePlusRecordList *p, const char *charset);
int convert_xsl(Z_NamePlusRecordList *p, Z_APDU *apdu);
void convert_xsl_delay();
Z_APDU *m_initRequest_apdu;
int m_initRequest_maximumRecordSize;
Z_Options *m_initRequest_options;
Z_ProtocolVersion *m_initRequest_version;
+ char **m_initRequest_oi_negotiation_charsets;
+ int m_initRequest_oi_negotiation_num_charsets;
+ char **m_initRequest_oi_negotiation_langs;
+ int m_initRequest_oi_negotiation_num_langs;
+ int m_initRequest_oi_negotiation_selected;
NMEM m_initRequest_mem;
Z_APDU *m_apdu_invalid_session;
NMEM m_mem_invalid_session;
Z_APDU *m_s2z_present_apdu;
char *m_s2z_stylesheet;
char *m_soap_ns;
+ int file_access(Z_HTTP_Request *hreq);
int send_to_srw_client_error(int error, const char *add);
int send_to_srw_client_ok(int hits, Z_Records *records, int start);
int send_http_response(int code);
int m_lo_fd[NO_SPARE_SOLARIS_FD];
void low_socket_open();
void low_socket_close();
+ char *m_usemarcon_ini_stage1;
+ char *m_usemarcon_ini_stage2;
+ Yaz_usemarcon *m_usemarcon;
public:
Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable,
Yaz_Proxy *parent = 0);
void markInvalid();
const char *option(const char *name, const char *value);
void set_default_target(const char *target);
- void set_proxy_authentication (const char *auth);
+ void set_proxy_negotiation (const char *charset, const char *lang);
char *get_proxy_target() { return m_proxyTarget; };
char *get_session_str() { return m_session_str; };
void set_max_clients(int m) { m_max_clients = m; };
void pre_init();
int get_log_mask() { return m_log_mask; };
int handle_init_response_for_invalid_session(Z_APDU *apdu);
+ void set_debug_mode(int mode);
};
+#endif