X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fyaz%2B%2B%2Fproxy%2Fproxy.h;fp=include%2Fyaz%2B%2B%2Fproxy%2Fproxy.h;h=0000000000000000000000000000000000000000;hb=1b6019ff065a98af709be905adc6c08094471d57;hp=764be3d78bf49787e47166b7df4085576f89a710;hpb=b44f9237a703f1f88f0d2768e3e358110751bb5f;p=yazpp-moved-to-github.git diff --git a/include/yaz++/proxy/proxy.h b/include/yaz++/proxy/proxy.h deleted file mode 100644 index 764be3d..0000000 --- a/include/yaz++/proxy/proxy.h +++ /dev/null @@ -1,324 +0,0 @@ -/* $Id: proxy.h,v 1.3 2004-03-30 18:14:13 adam Exp $ - Copyright (c) 1998-2004, Index Data. - -This file is part of the yaz-proxy. - -Zebra 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 -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. - */ - -#if HAVE_GETTIMEOFDAY -#include -#endif -#include -#include -#include -#include -#include -#include -#if HAVE_XSLT -#include -#include -#include -#include -#endif - -class Yaz_Proxy; - -#define MAX_ZURL_PLEX 10 - -#define PROXY_LOG_APDU_CLIENT 1 -#define PROXY_LOG_APDU_SERVER 2 -#define PROXY_LOG_REQ_CLIENT 4 -#define PROXY_LOG_REQ_SERVER 8 - -struct Yaz_RecordCache_Entry; - -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; -}; - - -/// 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); - Yaz_ProxyClient *get_client(Z_APDU *apdu, const char *cookie, - const char *proxy_host); - Z_APDU *result_set_optimize(Z_APDU *apdu); - void shutdown(); - - Yaz_ProxyClient *m_client; - IYaz_PDU_Observable *m_PDU_Observable; - Yaz_ProxyClient *m_clientPool; - Yaz_Proxy *m_parent; - int m_seqno; - int m_max_clients; - int m_log_mask; - int m_keepalive_limit_bw; - int m_keepalive_limit_pdu; - int m_client_idletime; - int m_target_idletime; - char *m_proxyTarget; - char *m_default_target; - char *m_proxy_authentication; - 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) - Yaz_ProxyConfig *m_config; - char *m_config_fname; - int m_bytes_sent; - int m_bytes_recv; - int m_bw_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; - 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); - - Z_APDU *handle_query_validation(Z_APDU *apdu); - Z_APDU *handle_query_transformation(Z_APDU *apdu); - - Z_APDU *handle_syntax_validation(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_stylesheet_offset; - Z_APDU *m_stylesheet_apdu; - Z_NamePlusRecordList *m_stylesheet_nprl; - char *m_schema; - void convert_to_marcxml(Z_NamePlusRecordList *p); - int convert_xsl(Z_NamePlusRecordList *p, Z_APDU *apdu); - void convert_xsl_delay(); - Z_APDU *m_initRequest_apdu; - int m_initRequest_preferredMessageSize; - int m_initRequest_maximumRecordSize; - Z_Options *m_initRequest_options; - Z_ProtocolVersion *m_initRequest_version; - NMEM m_initRequest_mem; - Z_APDU *m_apdu_invalid_session; - NMEM m_mem_invalid_session; - int send_PDU_convert(Z_APDU *apdu); - ODR m_s2z_odr_init; - ODR m_s2z_odr_search; - int m_s2z_hit_count; - int m_s2z_packing; - char *m_s2z_database; - Z_APDU *m_s2z_init_apdu; - Z_APDU *m_s2z_search_apdu; - Z_APDU *m_s2z_present_apdu; - char *m_s2z_stylesheet; - char *m_soap_ns; - 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_explain_response(Z_SRW_diagnostic *diagnostics, - int num_diagnostics); - int z_to_srw_diag(ODR o, Z_SRW_searchRetrieveResponse *srw_res, - 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 - 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(); - public: - Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, - Yaz_Proxy *parent = 0); - ~Yaz_Proxy(); - void inc_request_no(); - void recv_GDU(Z_GDU *apdu, int len); - 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 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); - 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 set_client_idletime (int t) { m_client_idletime = (t > 1) ? t : 600; }; - void set_target_idletime (int t) { m_target_idletime = (t > 1) ? t : 600; }; - int get_target_idletime () { return m_target_idletime; } - int set_config(const char *name); - void reconfig() { m_reconfig_flag = 1; } - int send_to_client(Z_APDU *apdu); - int server(const char *addr); - void pre_init(); - int get_log_mask() { return m_log_mask; }; - int handle_init_response_for_invalid_session(Z_APDU *apdu); -}; -