X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.h;h=b59eecc32b2e10d4e34a64044dd68f5b4f122f8b;hb=4247c4670f5bc5ad61e458734a590d57be5a9f34;hp=f7402572f067ea77e420003e5db60762e365b8b4;hpb=172e2b480354c7e44a50c654f09b8ab35f245f45;p=idzebra-moved-to-github.git diff --git a/index/zserver.h b/index/zserver.h index f740257..b59eecc 100644 --- a/index/zserver.h +++ b/index/zserver.h @@ -1,10 +1,63 @@ /* - * Copyright (C) 1994-1995, Index Data I/S + * Copyright (C) 1994-1998, Index Data I/S * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zserver.h,v $ - * Revision 1.19 1996-05-14 11:34:01 adam + * Revision 1.34 1998-06-22 11:36:50 adam + * Added authentication check facility to zebra. + * + * Revision 1.33 1998/06/12 12:22:14 adam + * Work on Zebra API. + * + * Revision 1.32 1998/05/27 16:57:47 adam + * Zebra returns surrogate diagnostic for single records when + * appropriate. + * + * Revision 1.31 1998/05/20 10:12:23 adam + * Implemented automatic EXPLAIN database maintenance. + * Modified Zebra to work with ASN.1 compiled version of YAZ. + * + * Revision 1.30 1998/03/05 08:45:13 adam + * New result set model and modular ranking system. Moved towards + * descent server API. System information stored as "SGML" records. + * + * Revision 1.29 1998/02/10 12:03:06 adam + * Implemented Sort. + * + * Revision 1.28 1998/01/29 13:40:11 adam + * Better logging for scan service. + * + * Revision 1.27 1997/10/27 14:33:06 adam + * Moved towards generic character mapping depending on "structure" + * field in abstract syntax file. Fixed a few memory leaks. Fixed + * bug with negative integers when doing searches with relational + * operators. + * + * Revision 1.26 1997/09/29 12:41:35 adam + * Fixed bug regarding USE_TIMES var. + * + * Revision 1.25 1997/09/29 09:08:36 adam + * Revised locking system to be thread safe for the server. + * + * Revision 1.24 1997/09/17 12:19:19 adam + * Zebra version corresponds to YAZ version 1.4. + * Changed Zebra server so that it doesn't depend on global common_resource. + * + * Revision 1.23 1996/12/23 15:30:46 adam + * Work on truncation. + * Bug fix: result sets weren't deleted after server shut down. + * + * Revision 1.22 1996/11/04 14:07:49 adam + * Moved truncation code to trunc.c. + * + * Revision 1.21 1996/10/29 14:09:58 adam + * Use of cisam system - enabled if setting isamc is 1. + * + * Revision 1.20 1996/06/04 10:19:02 adam + * Minor changes - removed include of ctype.h. + * + * Revision 1.19 1996/05/14 11:34:01 adam * Scan support in multiple registers/databases. * * Revision 1.18 1996/05/14 06:16:50 adam @@ -67,55 +120,141 @@ * */ + +#ifndef USE_TIMES +#ifdef __linux__ +#define USE_TIMES 1 +#else +#define USE_TIMES 0 +#endif +#endif + +#if USE_TIMES +#include +#endif + #include #include +#include +#include #include "index.h" +#include "zebraapi.h" #include "zinfo.h" typedef struct { int sysno; int score; -} ZServerSetSysno; +} *ZebraPosSet; -typedef struct ZServerSet_ { - char *name; - RSET rset; - int size; - struct ZServerSet_ *next; -} ZServerSet; - -typedef struct { +typedef struct zebra_set *ZebraSet; + +typedef struct zebra_rank_class { + struct rank_control *control; + int init_flag; + void *class_handle; + struct zebra_rank_class *next; +} *ZebraRankClass; + +struct zebra_info { int registerState; /* 0 (no commit pages), 1 (use commit pages) */ time_t registerChange; - ZServerSet *sets; - Dict wordDict; - ISAM wordIsam; + ZebraSet sets; + Dict dict; + SortIdx sortIdx; + ISAM isam; + ISAMC isamc; Records records; int errCode; + int hits; char *errString; - ODR odr; - ZebTargetInfo *zti; -} ZServerInfo; - -int rpn_search (ZServerInfo *zi, - Z_RPNQuery *rpn, int num_bases, char **basenames, - const char *setname, int *hits); - -int rpn_scan (ZServerInfo *zi, Z_AttributesPlusTerm *zapt, - oid_value attributeset, - int num_bases, char **basenames, - int *position, int *num_entries, struct scan_entry **list, - int *status); - -ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name, - int ov, RSET rset); -ZServerSet *resultSetGet (ZServerInfo *zi, const char *name); -ZServerSetSysno *resultSetSysnoGet (ZServerInfo *zi, const char *name, - int num, int *positions); -void resultSetSysnoDel (ZServerInfo *zi, ZServerSetSysno *records, int num); + ZebraExplainInfo zei; + data1_handle dh; + BFiles bfs; + Res res; + + ZebraLockHandle server_lock_cmt; + ZebraLockHandle server_lock_org; + char *server_path_prefix; +#if USE_TIMES + struct tms tms1; + struct tms tms2; +#endif + ZebraMaps zebra_maps; + ZebraRankClass rank_classes; + Passwd_db passwd_db; +}; + + +struct rank_control { + char *name; + void *(*create)(ZebraHandle zh); + void (*destroy)(ZebraHandle zh, void *class_handle); + void *(*begin)(ZebraHandle zh, void *class_handle, RSET rset); + void (*end)(ZebraHandle zh, void *set_handle); + int (*calc)(void *set_handle, int sysno); + void (*add)(void *set_handle, int seqno, int term_index); +}; + +void rpn_search (ZebraHandle zh, ODR stream, + Z_RPNQuery *rpn, int num_bases, char **basenames, + const char *setname); + + +void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, + oid_value attributeset, + int num_bases, char **basenames, + int *position, int *num_entries, ZebraScanEntry **list, + int *is_partial); + +RSET rset_trunc (ZebraHandle zh, ISAM_P *isam_p, int no, + const char *term, int length_term, const char *flags); + +ZebraSet resultSetAdd (ZebraHandle zh, const char *name, + int ov, RSET rset, int *hits); +ZebraSet resultSetGet (ZebraHandle zh, const char *name); +RSET resultSetRef (ZebraHandle zh, Z_ResultSetId *resultSetId); +void resultSetDestroy (ZebraHandle zh); + +ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name, + int num, int *positions); +void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num); + +void resultSetSort (ZebraHandle zh, ODR stream, + int num_input_setnames, char **input_setnames, + char *output_setname, Z_SortKeySpecList *sort_sequence, + int *sort_status); + +void zebra_sort (ZebraHandle zh, ODR stream, + int num_input_setnames, char **input_setnames, + char *output_setname, Z_SortKeySpecList *sort_sequence, + int *sort_status); + void zlog_rpn (Z_RPNQuery *rpn); +void zlog_scan (Z_AttributesPlusTerm *zapt, oid_value ast); + +int zebra_server_lock_init (ZebraHandle zh); +int zebra_server_lock_destroy (ZebraHandle zh); +int zebra_server_lock (ZebraHandle zh, int lockCommit); +void zebra_server_unlock (ZebraHandle zh, int commitPhase); +int zebra_server_lock_get_state (ZebraHandle zh, time_t *timep); + +typedef struct attent +{ + int attset_ordinal; + data1_local_attribute *local_attributes; +} attent; + +void zebraRankInstall (ZebraHandle zh, struct rank_control *ctrl); +ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name); +void zebraRankDestroy (ZebraHandle zh); + +int att_getentbyatt(ZebraHandle zh, attent *res, oid_value set, int att); + +extern struct rank_control *rank1_class; + +int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, + oid_value input_format, Z_RecordComposition *comp, + oid_value *output_format, char **rec_bufp, + int *rec_lenp, char **basenamep); -int zebraServerLock (int lockCommit); -void zebraServerUnlock (int commitPhase); -int zebraServerLockGetState (time_t *timep);