/*
- * Copyright (C) 1994-1999, Index Data
+ * Copyright (C) 1994-2002, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: zserver.h,v $
- * 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 1.52 2002-02-20 17:30:01 adam Exp $
*/
#if HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
-#include <backend.h>
+#include <yaz/backend.h>
#include <rset.h>
#include <sortidx.h>
#include "zebraapi.h"
#include "zinfo.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
+YAZ_BEGIN_CDECL
typedef struct {
+ char *term;
+ char *db;
int sysno;
int score;
} *ZebraPosSet;
struct zebra_rank_class *next;
} *ZebraRankClass;
-struct zebra_info {
- int registerState; /* 0 (no commit pages), 1 (use commit pages) */
- time_t registerChange;
- ZebraSet sets;
- Dict dict;
- SortIdx sortIdx;
+struct zebra_service {
+ char *configName;
+ struct zebra_session *sessions;
+ ISAMS isams;
+#if ZMBOL
ISAM isam;
ISAMC isamc;
- ISAMS isams;
+ ISAMD isamd;
+#endif
+ Dict dict;
+ Dict matchDict;
+ SortIdx sortIdx;
+ int registerState; /* 0 (no commit pages), 1 (use commit pages) */
+ time_t registerChange;
+ BFiles bfs;
Records records;
- int errCode;
- int hits;
- char *errString;
ZebraExplainInfo zei;
- data1_handle dh;
- BFiles bfs;
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;
+ Zebra_mutex_cond session_lock;
+ int stop_flag;
+ int active; /* 0=shutdown, 1=enabled and inactive, 2=activated */
+};
+
+struct recKeys {
+ int buf_used;
+ int buf_max;
+ char *buf;
+ char prevAttrSet;
+ short prevAttrUse;
+ int prevSeqNo;
+};
+
+struct sortKey {
+ char *string;
+ int length;
+ int attrSet;
+ int attrUse;
+ struct sortKey *next;
+};
+
+struct zebra_session {
+ struct zebra_session *next;
+ struct zebra_service *service;
+
+ struct recKeys keys;
+ struct sortKey *sortKeys;
+
+ char **key_buf;
+ size_t ptr_top;
+ size_t ptr_i;
+ size_t key_buf_used;
+ int key_file_no;
+ char *admin_databaseName;
+
+ ZebraLockHandle lock_normal;
+ ZebraLockHandle lock_shadow;
+
+ int trans_no;
+ int seqno;
+ int last_val;
+ int destroyed;
+ ZebraSet sets;
+ int errCode;
+ int hits;
+ char *errString;
+#if HAVE_SYS_TIMES_H
+ struct tms tms1;
+ struct tms tms2;
+#endif
+ struct recordGroup rGroup;
};
struct rank_control {
char *name;
- void *(*create)(ZebraHandle zh);
- void (*destroy)(ZebraHandle zh, void *class_handle);
+ 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);
};
+struct term_set_entry {
+ char *term;
+ struct term_set_entry *next;
+};
+
+struct term_set_list {
+ struct term_set_entry *first;
+ struct term_set_entry *last;
+};
+
RSET rpn_search (ZebraHandle zh, NMEM mem,
Z_RPNQuery *rpn, int num_bases, char **basenames,
const char *setname, ZebraSet sset);
int *position, int *num_entries, ZebraScanEntry **list,
int *is_partial);
-RSET rset_trunc (ZebraHandle zh, ISAM_P *isam_p, int no,
+RSET rset_trunc (ZebraHandle zh, ISAMS_P *isam_p, int no,
const char *term, int length_term, const char *flags);
+void resultSetAddTerm (ZebraHandle zh, ZebraSet s, int reg_type,
+ const char *db, int set,
+ int use, const char *term);
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,
+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);
+void resultSetDestroy (ZebraHandle zh, int num_names, char **names,
+ int *statuses);
ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name,
int num, int *positions);
ZebraSet sset, RSET rset,
Z_SortKeySpecList *sort_sequence, int *sort_status);
void resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset);
+void resultSetInvalidate (ZebraHandle zh);
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 (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);
+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
{
data1_local_attribute *local_attributes;
} attent;
-void zebraRankInstall (ZebraHandle zh, struct rank_control *ctrl);
+void zebraRankInstall (ZebraService zh, struct rank_control *ctrl);
ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name);
-void zebraRankDestroy (ZebraHandle zh);
+void zebraRankDestroy (ZebraService zh);
int att_getentbyatt(ZebraHandle zh, attent *res, oid_value set, int att);
oid_value *output_format, char **rec_bufp,
int *rec_lenp, char **basenamep);
-#ifdef __cplusplus
-}
-#endif
+void extract_get_fname_tmp (ZebraHandle zh, char *fname, int no);
+void zebra_index_merge (ZebraHandle zh);
+
+
+int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
+ const char *buf, size_t buf_size,
+ const char *databaseName, int delete_flag,
+ int test_mode, int *sysno,
+ int store_keys, int store_data,
+ const char *match_criteria);
+
+void extract_flushWriteKeys (ZebraHandle zh);
+
+struct zebra_fetch_control {
+ off_t offset_end;
+ off_t record_offset;
+ off_t record_int_pos;
+ const char *record_int_buf;
+ int record_int_len;
+ int fd;
+};
+
+int zebra_record_ext_read (void *fh, char *buf, size_t count);
+off_t zebra_record_ext_seek (void *fh, off_t offset);
+off_t zebra_record_ext_tell (void *fh);
+off_t zebra_record_int_seek (void *fh, off_t offset);
+off_t zebra_record_int_tell (void *fh);
+int zebra_record_int_read (void *fh, char *buf, size_t count);
+void zebra_record_int_end (void *fh, off_t offset);
+
+void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, struct recKeys *reckeys);
+void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
+ int cmd, struct sortKey **skp);
+void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid);
+void extract_token_add (RecWord *p);
+int explain_extract (void *handle, Record rec, data1_node *n);
+
+YAZ_END_CDECL
projects / idzebra-moved-to-github.git / blobdiff