/*
- * Copyright (C) 1994-2000, Index Data
+ * Copyright (C) 1994-2002, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: zserver.h,v $
- * Revision 1.46 2000-03-15 15:00:31 adam
- * First work on threaded version.
- *
- * Revision 1.45 1999/11/30 13:48:04 adam
- * Improved installation. Updated for inclusion of YAZ header files.
- *
- * Revision 1.44 1999/11/04 15:00:45 adam
- * Implemented delete result set(s).
- *
- * Revision 1.43 1999/07/14 10:59:27 adam
- * Changed functions isc_getmethod, isams_getmethod.
- * Improved fatal error handling (such as missing EXPLAIN schema).
- *
- * Revision 1.42 1999/05/26 07:49:13 adam
- * C++ compilation.
- *
- * Revision 1.41 1999/05/12 13:08:06 adam
- * First version of ISAMS.
- *
- * Revision 1.40 1998/11/16 16:03:45 adam
- * Moved loggin utilities to Yaz. Was implemented in file zlogs.c.
- *
- * Revision 1.39 1998/10/16 08:14:35 adam
- * Updated record control system.
- *
- * Revision 1.38 1998/09/22 10:03:44 adam
- * Changed result sets to be persistent in the sense that they can
- * be re-searched if needed.
- * Fixed memory leak in rsm_or.
- *
- * Revision 1.37 1998/09/02 13:53:22 adam
- * Extra parameter decode added to search routines to implement
- * persistent queries.
- *
- * Revision 1.36 1998/06/24 12:16:16 adam
- * Support for relations on text operands. Open range support in
- * DFA module (i.e. [-j], [g-]).
- *
- * Revision 1.35 1998/06/23 15:33:35 adam
- * Added feature to specify sort criteria in query (type 7 specifies
- * sort flags).
- *
- * 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
- * Compact use/set bytes used in search service.
- *
- * Revision 1.17 1995/12/08 16:22:57 adam
- * Work on update while servers are running. Three lock files introduced.
- * The servers reload their registers when necessary, but they don't
- * reestablish result sets yet.
- *
- * Revision 1.16 1995/12/07 17:38:48 adam
- * Work locking mechanisms for concurrent updates/commit.
- *
- * Revision 1.15 1995/11/21 15:29:13 adam
- * Config file 'base' read by default by both indexer and server.
- *
- * Revision 1.14 1995/11/16 17:00:57 adam
- * Better logging of rpn query.
- *
- * Revision 1.13 1995/11/16 15:34:56 adam
- * Uses new record management system in both indexer and server.
- *
- * Revision 1.12 1995/10/27 14:00:12 adam
- * Implemented detection of database availability.
- *
- * Revision 1.11 1995/10/17 18:02:12 adam
- * New feature: databases. Implemented as prefix to words in dictionary.
- *
- * Revision 1.10 1995/10/09 16:18:38 adam
- * Function dict_lookup_grep got extra client data parameter.
- *
- * Revision 1.9 1995/10/06 14:38:01 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.8 1995/10/06 13:52:06 adam
- * Bug fixes. Handler may abort further scanning.
- *
- * Revision 1.7 1995/10/06 10:43:57 adam
- * Scan added. 'occurrences' in scan entries not set yet.
- *
- * Revision 1.6 1995/09/28 09:19:48 adam
- * xfree/xmalloc used everywhere.
- * Extract/retrieve method seems to work for text records.
- *
- * Revision 1.5 1995/09/27 16:17:32 adam
- * More work on retrieve.
- *
- * Revision 1.4 1995/09/14 11:53:28 adam
- * First work on regular expressions/truncations.
- *
- * Revision 1.3 1995/09/08 08:53:23 adam
- * Record buffer maintained in server_info.
- *
- * Revision 1.2 1995/09/06 16:11:19 adam
- * Option: only one word key per file.
- *
- * Revision 1.1 1995/09/05 15:28:40 adam
- * More work on search engine.
- *
+ * $Id: zserver.h,v 1.55 2002-04-04 14:14:13 adam Exp $
*/
-#if HAVE_SYS_TIMES_H
-#include <sys/times.h>
-#endif
-
-#if HAVE_PTHREADS_H
-#include <pthreads.h>
-#endif
-
#include <yaz/backend.h>
-#include <rset.h>
-
-#include <sortidx.h>
-#include <passwddb.h>
-#include "index.h"
#include "zebraapi.h"
-#include "zinfo.h"
YAZ_BEGIN_CDECL
-typedef struct {
- int sysno;
- int score;
-} *ZebraPosSet;
-
-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_service {
- char *configName;
- struct zebra_session *sessions;
- ISAMS isams;
-#if ZMBOL
- ISAM isam;
- ISAMC isamc;
-#endif
- Dict dict;
- SortIdx sortIdx;
- int registerState; /* 0 (no commit pages), 1 (use commit pages) */
- time_t registerChange;
- BFiles bfs;
- Records records;
- ZebraExplainInfo zei;
- Res res;
- ZebraLockHandle server_lock_cmt;
- ZebraLockHandle server_lock_org;
- char *server_path_prefix;
-#if HAVE_SYS_TIMES_H
- struct tms tms1;
- struct tms tms2;
-#endif
- data1_handle dh;
- ZebraMaps zebra_maps;
- ZebraRankClass rank_classes;
- RecTypes recTypes;
- Passwd_db passwd_db;
-};
-
-struct zebra_session {
-#if HAVE_PTHREADS_H
- pthread_t *pthread_session;
-#endif
- struct zebra_session *next;
- struct zebra_info *info;
- struct zebra_service *service;
-
- ZebraSet sets;
- int errCode;
- int hits;
- char *errString;
-
-};
-
-struct rank_control {
- char *name;
- void *(*create)(ZebraService zh);
- void (*destroy)(ZebraService 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);
-};
-
-RSET rpn_search (ZebraHandle zh, NMEM mem,
- Z_RPNQuery *rpn, int num_bases, char **basenames,
- const char *setname, ZebraSet sset);
-
-
-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, ISAMS_P *isam_p, int no,
- const char *term, int length_term, const char *flags);
-
-ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov);
-ZebraSet resultSetGet (ZebraHandle zh, const char *name);
-ZebraSet resultSetAddRPN (ZebraHandle zh, ODR stream, ODR decode, Z_RPNQuery *rpn, int num_bases, char **basenames,
- const char *setname);
-RSET resultSetRef (ZebraHandle zh, Z_ResultSetId *resultSetId);
-void resultSetDestroy (ZebraHandle zh, int num_names, char **names,
- int *statuses);
-
-ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name,
- int num, int *positions);
-void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num);
-
-void resultSetSort (ZebraHandle zh, NMEM nmem,
- int num_input_setnames, const char **input_setnames,
- const char *output_setname,
- Z_SortKeySpecList *sort_sequence, int *sort_status);
-void resultSetSortSingle (ZebraHandle zh, NMEM nmem,
- ZebraSet sset, RSET rset,
- Z_SortKeySpecList *sort_sequence, int *sort_status);
-void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset);
-
-void zebra_sort (ZebraHandle zh, ODR stream,
- int num_input_setnames, const char **input_setnames,
- const char *output_setname, Z_SortKeySpecList *sort_sequence,
- int *sort_status);
-
-int zebra_server_lock_init (ZebraService zh);
-int zebra_server_lock_destroy (ZebraService zh);
-int zebra_server_lock (ZebraService zh, int lockCommit);
-void zebra_server_unlock (ZebraService zh, int commitPhase);
-int zebra_server_lock_get_state (ZebraService zh, time_t *timep);
-
-typedef struct attent
-{
- int attset_ordinal;
- data1_local_attribute *local_attributes;
-} attent;
-
-void zebraRankInstall (ZebraService zh, struct rank_control *ctrl);
-ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name);
-void zebraRankDestroy (ZebraService 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);
-
YAZ_END_CDECL
projects / idzebra-moved-to-github.git / blobdiff