X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.h;h=d0c936b45889b774f293ac5b572aff8c03671112;hb=77686142af94172d1887190ebd47aeb53f704057;hp=565965a1202363bf2d6f3ab348340fb1ec719ffd;hpb=9fe3bf8d659adc5c0623185779272d933fc51d15;p=idzebra-moved-to-github.git diff --git a/index/zserver.h b/index/zserver.h index 565965a..d0c936b 100644 --- a/index/zserver.h +++ b/index/zserver.h @@ -1,85 +1,222 @@ /* - * Copyright (C) 1994-1995, Index Data I/S + * Copyright (C) 1994-2001, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * - * $Log: zserver.h,v $ - * 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 1.51 2001-10-15 19:53:43 adam Exp $ */ -#include "index.h" -#include +#if HAVE_SYS_TIMES_H +#include +#endif + +#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; +} *ZebraPosSet; -typedef struct ZServerSet_ { - char *name; - RSET rset; - int size; - struct ZServerSet_ *next; -} ZServerSet; - -typedef struct { - ZServerSet *sets; - Dict wordDict; - ISAM wordIsam; - Dict fileDict; - int sys_idx_fd; +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; + ISAMD isamd; +#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; + 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; + + int destroyed; + ZebraSet sets; int errCode; + int hits; char *errString; - ODR odr; -} ZServerInfo; - -int rpn_search (ZServerInfo *zi, - Z_RPNQuery *rpn, int num_bases, char **basenames, - const char *setname, int *hits); - -int rpn_scan (ZServerInfo *zi, ODR odr, Z_AttributesPlusTerm *zapt, - 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); +#if HAVE_SYS_TIMES_H + struct tms tms1; + struct tms tms2; +#endif +}; + +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 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); + +void extract_get_fname_tmp (ZebraHandle zh, char *fname, int no); +void zebra_index_merge (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); + +YAZ_END_CDECL