X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fpazpar2.h;h=509ad9ba7e9abecde4f7371a80e7e49ded2e9a74;hb=5a145dc87e4756afc3e247cded32a9666457f065;hp=2f5a4e2e18c69a2d0506ccfaa6d3668e9bf54f82;hpb=4d4deab1ab8bfec73a481ae43127687d13826146;p=pazpar2-moved-to-github.git diff --git a/src/pazpar2.h b/src/pazpar2.h index 2f5a4e2..509ad9b 100644 --- a/src/pazpar2.h +++ b/src/pazpar2.h @@ -1,7 +1,5 @@ -/* $Id: pazpar2.h,v 1.29 2007-04-20 13:03:22 marc Exp $ - Copyright (c) 2006-2007, Index Data. - -This file is part of Pazpar2. +/* This file is part of Pazpar2. + Copyright (C) 2006-2008 Index Data Pazpar2 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 @@ -14,10 +12,10 @@ 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 Pazpar2; see the file LICENSE. 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 + +*/ #ifndef PAZPAR2_H #define PAZPAR2_H @@ -37,19 +35,30 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "relevance.h" #include "reclists.h" #include "eventl.h" -#include "config.h" +#include "pazpar2_config.h" +#include "parameters.h" +#include "http.h" struct record; struct client; -struct connection; -// Represents a host (irrespective of databases) -struct host { - char *hostport; - char *ipport; - struct connection *connections; // All connections to this - struct host *next; +enum pazpar2_error_code { + PAZPAR2_NO_ERROR = 0, + + PAZPAR2_NO_SESSION, + PAZPAR2_MISSING_PARAMETER, + PAZPAR2_MALFORMED_PARAMETER_VALUE, + PAZPAR2_MALFORMED_PARAMETER_ENCODING, + PAZPAR2_MALFORMED_SETTING, + PAZPAR2_HITCOUNTS_FAILED, + PAZPAR2_RECORD_MISSING, + PAZPAR2_NO_TARGETS, + PAZPAR2_CONFIG_TARGET, + PAZPAR2_RECORD_FAIL, + PAZPAR2_NOT_IMPLEMENTED, + + PAZPAR2_LAST_ERROR }; // Represents a (virtual) database on a host @@ -61,15 +70,6 @@ struct database { struct zr_explain *explain; struct setting **settings; struct database *next; - yaz_marc_t yaz_marc; - struct database_retrievalmap *map; -}; - -// Normalization filter. Turns incoming record into internal representation -// Simple sequence of stylesheets run in series. -struct database_retrievalmap { - xsltStylesheet *stylesheet; - struct database_retrievalmap *next; }; struct database_criterion_value { @@ -83,51 +83,29 @@ struct database_criterion { struct database_criterion *next; }; -// Represents a physical, reusable connection to a remote Z39.50 host -struct connection { - IOCHAN iochan; - COMSTACK link; - struct host *host; - struct client *client; - char *ibuf; - int ibufsize; - enum { - Conn_Connecting, - Conn_Open, - Conn_Waiting, - } state; - struct connection *next; +// Normalization filter. Turns incoming record into internal representation +// Simple sequence of stylesheets run in series. +struct database_retrievalmap { + xsltStylesheet *stylesheet; + struct database_retrievalmap *next; }; -// Represents client state for a connection to one search target -struct client { - struct session_database *database; - struct connection *connection; - struct session *session; - char *pquery; // Current search - int hits; - int records; - int setno; - int requestid; // ID of current outstanding request - int diagnostic; - enum client_state - { - Client_Connecting, - Client_Connected, - Client_Idle, - Client_Initializing, - Client_Searching, - Client_Presenting, - Client_Error, - Client_Failed, - Client_Disconnected, - Client_Stopped - } state; - struct client *next; +// Represents a database as viewed from one session, possibly with settings overriden +// for that session +struct session_database +{ + struct database *database; + struct setting **settings; + yaz_marc_t yaz_marc; + struct database_retrievalmap *map; + struct session_database *next; }; -#define SESSION_WATCH_RECORDS 0 -#define SESSION_WATCH_MAX 0 + + +#define SESSION_WATCH_SHOW 0 +#define SESSION_WATCH_RECORD 1 +#define SESSION_WATCH_MAX 1 #define SESSION_MAX_TERMLISTS 10 @@ -139,13 +117,10 @@ struct named_termlist struct termlist *termlist; }; -// Represents a database as viewed from one session, possibly with settings overriden -// for that session (to support authorization/authentication) -struct session_database -{ - struct database *database; - struct setting **settings; - struct session_database *next; +struct session_watchentry { + void *data; + http_channel_observer_t obs; + session_watchfun fun; }; // End-user session @@ -160,10 +135,7 @@ struct session { struct named_termlist termlists[SESSION_MAX_TERMLISTS]; struct relevance *relevance; struct reclist *reclist; - struct { - void *data; - session_watchfun fun; - } watchlist[SESSION_WATCH_MAX + 1]; + struct session_watchentry watchlist[SESSION_WATCH_MAX + 1]; int expected_maxrecs; int total_hits; int total_records; @@ -186,58 +158,48 @@ struct statistics { struct hitsbytarget { char *id; - char *name; + const char *name; int hits; int diagnostic; int records; - char* state; + const char *state; int connected; }; -struct parameters { - char proxy_override[128]; - char listener_override[128]; - char zproxy_override[128]; - char settings_path_override[128]; - struct conf_server *server; - int dump_records; - int timeout; /* operations timeout, in seconds */ - char implementationId[128]; - char implementationName[128]; - char implementationVersion[128]; - int target_timeout; // seconds - int session_timeout; - int toget; - int chunk; - ODR odr_out; - ODR odr_in; -}; - -struct hitsbytarget *hitsbytarget(struct session *s, int *count); +struct hitsbytarget *hitsbytarget(struct session *s, int *count, NMEM nmem); int select_targets(struct session *se, struct database_criterion *crit); struct session *new_session(NMEM nmem); void destroy_session(struct session *s); +void session_init_databases(struct session *s); int load_targets(struct session *s, const char *fn); void statistics(struct session *s, struct statistics *stat); -char *search(struct session *s, char *query, char *filter); +enum pazpar2_error_code search(struct session *s, char *query, + char *filter, const char **addinfo); struct record_cluster **show(struct session *s, struct reclist_sortparms *sp, int start, int *num, int *total, int *sumhits, NMEM nmem_show); -struct record_cluster *show_single(struct session *s, int id); +struct record_cluster *show_single(struct session *s, const char *id); struct termlist_score **termlist(struct session *s, const char *name, int *num); -void session_set_watch(struct session *s, int what, session_watchfun fun, void *data); +int session_set_watch(struct session *s, int what, session_watchfun fun, void *data, struct http_channel *c); int session_active_clients(struct session *s); void session_apply_setting(struct session *se, char *dbname, char *setting, char *value); -char *session_setting_oneval(struct session_database *db, int offset); +const char *session_setting_oneval(struct session_database *db, int offset); void start_http_listener(void); void start_proxy(void); -void start_zproxy(void); -extern struct parameters global_parameters; void pazpar2_add_channel(IOCHAN c); void pazpar2_event_loop(void); +int host_getaddrinfo(struct host *host); + +xmlDoc *normalize_record(struct session_database *sdb, struct session *se, + Z_External *rec); +xmlDoc *record_to_xml(struct session_database *sdb, Z_External *rec); +struct record *ingest_record(struct client *cl, Z_External *rec, + int record_no); +void session_alert_watch(struct session *s, int what); +void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num); #endif