-/* $Id: proxy.h,v 1.1 2004-04-11 11:37:01 adam Exp $
- Copyright (c) 1998-2004, Index Data.
+/* This file is part of YAZ proxy
+ Copyright (C) 1998-2009 Index Data
-This file is part of the yaz-proxy.
-
-Zebra is free software; you can redistribute it and/or modify it under
+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.
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
+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 Zebra; see the file LICENSE.proxy. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
- */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
-#if HAVE_GETTIMEOFDAY
-#include <sys/time.h>
-#endif
-#include <yaz++/z-assoc.h>
-#include <yaz++/z-query.h>
-#include <yaz++/z-databases.h>
-#include <yaz++/cql2rpn.h>
+#ifndef YAZ_PROXY_H_INCLUDED
+#define YAZ_PROXY_H_INCLUDED
+
+#include <yazpp/socket-observer.h>
+#include <yazpp/z-assoc.h>
+#include <yazpp/z-query.h>
+#include <yazpp/z-databases.h>
+#include <yazpp/cql2rpn.h>
#include <yaz/cql.h>
-#include <yaz++/proxy/bw.h>
-#if HAVE_XSLT
-#include <libxml/parser.h>
-#include <libxml/tree.h>
-#include <libxslt/xsltutils.h>
-#include <libxslt/transform.h>
-#endif
+#include <yazpp/gdu.h>
+#include <yazpp/gduqueue.h>
+#include <yazproxy/bw.h>
+#include <yazproxy/limit-connect.h>
class Yaz_Proxy;
#define PROXY_LOG_APDU_SERVER 2
#define PROXY_LOG_REQ_CLIENT 4
#define PROXY_LOG_REQ_SERVER 8
+#define PROXY_LOG_IP_CLIENT 16
-struct Yaz_RecordCache_Entry;
+class Yaz_usemarcon;
+class Yaz_ProxyConfig;
+class Yaz_ProxyClient;
+class Yaz_CharsetConverter;
-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 *get_explain(ODR odr, const char *name, const char *db,
- int *len);
-private:
- void operator=(const Yaz_ProxyConfig &conf);
- int mycmp(const char *hay, const char *item, size_t len);
-#if HAVE_XSLT
- int check_schema(xmlNodePtr ptr, Z_RecordComposition *comp,
- const char *schema_identifier);
- xmlDocPtr m_docPtr;
- xmlNodePtr m_proxyPtr;
- void return_target_info(xmlNodePtr ptr, const char **url,
- int *limit_bw, int *limit_pdu, int *limit_req,
- int *target_idletime, int *client_idletime,
- int *keepalive_limit_bw, int *keepalive_limit_pdu,
- int *pre_init, const char **cql2rpn);
- void return_limit(xmlNodePtr ptr,
- int *limit_bw, int *limit_pdu, int *limit_req);
- int check_type_1(ODR odr, xmlNodePtr ptr, Z_RPNQuery *query,
- char **addinfo);
- xmlNodePtr find_target_node(const char *name, const char *db);
- xmlNodePtr find_target_db(xmlNodePtr ptr, const char *db);
- const char *get_text(xmlNodePtr ptr);
- int check_type_1_attributes(ODR odr, xmlNodePtr ptr,
- Z_AttributeList *attrs,
- char **addinfo);
- int check_type_1_structure(ODR odr, xmlNodePtr ptr, Z_RPNStructure *q,
- char **addinfo);
-#endif
- int m_copy;
- int match_list(int v, const char *m);
- int atoi_l(const char **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;
+enum YAZ_Proxy_MARCXML_mode {
+ none,
+ marcxml
};
+class Msg_Thread;
/// Information Retrieval Proxy Server.
-class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc {
+class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc {
+ friend class Proxy_Msg;
private:
+ char *m_peername;
+ int m_ref_count;
+ bool m_main_ptr_dec;
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);
+ void HTTP_Forwarded(Z_GDU *z_gdu);
+ void connect_stat(bool &block, int &reduce);
Yaz_ProxyClient *get_client(Z_APDU *apdu, const char *cookie,
- const char *proxy_host);
+ const char *proxy_host, int *http_code);
+ void srw_get_client(const char *db, const char **backend_db);
+ int get_number_of_connections();
Z_APDU *result_set_optimize(Z_APDU *apdu);
- void shutdown();
-
+ void releaseClient();
Yaz_ProxyClient *m_client;
- IYaz_PDU_Observable *m_PDU_Observable;
+ yazpp_1::IPDU_Observable *m_PDU_Observable;
+ yazpp_1::ISocketObservable *m_socket_observable;
Yaz_ProxyClient *m_clientPool;
Yaz_Proxy *m_parent;
int m_seqno;
int m_keepalive_limit_pdu;
int m_client_idletime;
int m_target_idletime;
+ int m_max_sockets;
+ 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;
+ char *m_proxy_negotiation_default_charset;
long m_seed;
char *m_optimize;
int m_session_no; // sequence for each client session
- char m_session_str[30]; // session string (time:session_no)
+ char m_session_str[200]; // session string (time:session_no)
Yaz_ProxyConfig *m_config;
char *m_config_fname;
int m_bytes_sent;
int m_bytes_recv;
int m_bw_max;
+
+ yazpp_1::GDU *m_timeout_gdu;
+ enum timeout_mode {
+ timeout_busy,
+ timeout_normal,
+ timeout_reduce,
+ timeout_xsl
+ } m_timeout_mode;
+
+ int m_max_connect;
+ int m_max_connect_period;
+ int m_limit_connect;
+ int m_limit_connect_period;
+ int m_search_max;
Yaz_bw m_bw_stat;
int m_pdu_max;
Yaz_bw m_pdu_stat;
- Z_GDU *m_bw_hold_PDU;
int m_max_record_retrieve;
+ Yaz_bw m_search_stat;
+
void handle_max_record_retrieve(Z_APDU *apdu);
void display_diagrecs(Z_DiagRec **pp, int num);
Z_Records *create_nonSurrogateDiagnostics(ODR o, int error,
- const char *addinfo);
+ const char *addinfo);
Z_APDU *handle_query_validation(Z_APDU *apdu);
Z_APDU *handle_query_transformation(Z_APDU *apdu);
+ Z_APDU *handle_target_charset_conversion(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();
int m_request_no;
- int m_invalid_session;
- int m_marcxml_flag;
-#if HAVE_XSLT
- xsltStylesheetPtr m_stylesheet_xsp;
-#else
- void *m_stylesheet_xsp;
-#endif
+ int m_flag_invalid_session;
+ YAZ_Proxy_MARCXML_mode m_marcxml_mode;
+ void *m_stylesheet_xsp; // Really libxslt's xsltStylesheetPtr
int m_stylesheet_offset;
Z_APDU *m_stylesheet_apdu;
Z_NamePlusRecordList *m_stylesheet_nprl;
char *m_schema;
- void convert_to_marcxml(Z_NamePlusRecordList *p);
+ char *m_backend_type;
+ char *m_backend_charset;
+ Odr_oid m_frontend_type[OID_SIZE];
+ void convert_to_frontend_type(Z_NamePlusRecordList *p);
+ void convert_to_marcxml(Z_NamePlusRecordList *p, const char *charset);
+ void convert_records_charset(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 send_srw_response(Z_SRW_PDU *srw_pdu);
+ int send_srw_response(Z_SRW_PDU *srw_pdu, int http_code = 200);
+ int send_srw_search_response(Z_SRW_diagnostic *diagnostics,
+ int num_diagnostics,
+ int http_code = 200);
int send_srw_explain_response(Z_SRW_diagnostic *diagnostics,
- int num_diagnostics);
+ int num_diagnostics);
int z_to_srw_diag(ODR o, Z_SRW_searchRetrieveResponse *srw_res,
- Z_DefaultDiagFormat *ddf);
+ Z_DefaultDiagFormat *ddf);
int m_http_keepalive;
const char *m_http_version;
- Yaz_cql2rpn m_cql2rpn;
-#if HAVE_GETTIMEOFDAY
- struct timeval m_time_tv;
-#endif
+ yazpp_1::Yaz_cql2rpn m_cql2rpn;
+ void *m_time_tv;
void logtime();
Z_ElementSetNames *mk_esn_from_schema(ODR o, const char *schema);
Z_ReferenceId *m_referenceId;
NMEM m_referenceId_mem;
+
#define NO_SPARE_SOLARIS_FD 10
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;
+ Yaz_CharsetConverter *m_charset_converter;
+ yazpp_1::GDUQueue m_in_queue;
+ LimitConnect m_connect;
public:
- Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable,
- Yaz_Proxy *parent = 0);
+ Yaz_Proxy(yazpp_1::IPDU_Observable *the_PDU_Observable,
+ yazpp_1::ISocketObservable *the_socket_observable,
+ Yaz_Proxy *parent = 0);
~Yaz_Proxy();
+
+ void inc_ref();
+ bool dec_ref();
+
+ int handle_authentication(Z_APDU *apdu);
+ int handle_global_authentication(Z_APDU *apdu);
+ void result_authentication(Z_APDU *apdu, int ret);
+ void handle_init(Z_APDU *apdu);
void inc_request_no();
void recv_GDU(Z_GDU *apdu, int len);
+ void recv_GDU_reduce(yazpp_1::GDU *gdu);
+ void recv_GDU_normal(yazpp_1::GDU *gdu);
+ void recv_GDU_more(bool normal);
void handle_incoming_HTTP(Z_HTTP_Request *req);
void handle_incoming_Z_PDU(Z_APDU *apdu);
- IYaz_PDU_Observer* sessionNotify
- (IYaz_PDU_Observable *the_PDU_Observable, int fd);
+ void handle_incoming_Z_PDU_2(Z_APDU *apdu);
+ IPDU_Observer *sessionNotify(yazpp_1::IPDU_Observable *the_PDU_Observable,
+ int fd);
void failNotify();
void timeoutNotify();
void connectNotify();
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,
+ const char *default_charset);
+ void set_target_charset(const char *charset);
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);
+ void send_response_fail_client(const char *addr);
+ int m_num_msg_threads;
+ Msg_Thread *m_my_thread;
+ void base64_decode(const char *base64, char *buf, int buf_len);
};
+#endif
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / yazproxy-moved-to-github.git / blobdiff