X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.h;h=77c7db6f9a2fc0d6e45af84753938a012a5035c1;hb=5adb31268b057741850de38eafd42baf8dc947ea;hp=ab1e985397652df348af547c1d6ff4347556ff17;hpb=5c693d36af8be6f6642257160b3c6441d2e2d762;p=idzebra-moved-to-github.git diff --git a/index/zserver.h b/index/zserver.h index ab1e985..77c7db6 100644 --- a/index/zserver.h +++ b/index/zserver.h @@ -1,198 +1,193 @@ /* - * Copyright (C) 1994-1998, Index Data I/S + * Copyright (C) 1994-2002, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * - * $Log: zserver.h,v $ - * 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 $ */ - -#ifndef USE_TIMES -#ifdef __linux__ -#define USE_TIMES 1 -#else -#define USE_TIMES 0 -#endif -#endif - -#if USE_TIMES +#if HAVE_SYS_TIMES_H #include #endif -#include +#include #include #include +#include #include "index.h" +#include "zebraapi.h" #include "zinfo.h" +YAZ_BEGIN_CDECL + typedef struct { + char *term; + char *db; int sysno; int score; -} ZServerSetSysno; - -typedef struct ZServerSet_ { - char *name; - RSET rset; - int size; - struct zset_sort_info *sort_info; - struct ZServerSet_ *next; -} ZServerSet; - -typedef struct { - int registerState; /* 0 (no commit pages), 1 (use commit pages) */ - time_t registerChange; - ZServerSet *sets; - Dict dict; - SortIdx sortIdx; +} *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; - Records records; - int errCode; - char *errString; - ZebTargetInfo *zti; - data1_handle dh; - data1_attset *registered_sets; + 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; + ZebraExplainInfo zei; Res res; - ZebraLockHandle server_lock_cmt; ZebraLockHandle server_lock_org; + char *server_path_prefix; -#if USE_TIMES + 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 - ZebraMaps zebra_maps; -} ZServerInfo; + struct recordGroup rGroup; +}; -int rpn_search (ZServerInfo *zi, ODR stream, - Z_RPNQuery *rpn, int num_bases, char **basenames, - const char *setname, int *hits); - -int rpn_scan (ZServerInfo *zi, ODR stream, Z_AttributesPlusTerm *zapt, - oid_value attributeset, - int num_bases, char **basenames, - int *position, int *num_entries, struct scan_entry **list, - int *status); - -RSET rset_trunc (ZServerInfo *zi, ISAM_P *isam_p, int no); - -ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name, - int ov, RSET rset); -ZServerSet *resultSetGet (ZServerInfo *zi, const char *name); -void resultSetDestroy (ZServerInfo *zi); - -ZServerSetSysno *resultSetSysnoGet (ZServerInfo *zi, const char *name, - int num, int *positions); -void resultSetSysnoDel (ZServerInfo *zi, ZServerSetSysno *records, int num); - -int resultSetSort (ZServerInfo *zi, bend_sort_rr *rr); - -void zlog_rpn (Z_RPNQuery *rpn); -void zlog_scan (Z_AttributesPlusTerm *zapt, oid_value ast); - -int zebra_server_lock_init (ZServerInfo *zi); -int zebra_server_lock_destroy (ZServerInfo *zi); -int zebra_server_lock (ZServerInfo *zi, int lockCommit); -void zebra_server_unlock (ZServerInfo *zi, int commitPhase); -int zebra_server_lock_get_state (ZServerInfo *zi, time_t *timep); +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); +}; + +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); + + +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); + +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, + 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 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 (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 { @@ -200,4 +195,55 @@ typedef struct attent data1_local_attribute *local_attributes; } attent; -int att_getentbyatt(ZServerInfo *zi, attent *res, oid_value set, int att); +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); + +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