X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Fzserver.h;h=8680d439a81ea626ba5616ff354c70bcd940e975;hp=f7402572f067ea77e420003e5db60762e365b8b4;hb=297ba5c5c265a5f869f43a0a211bf9f48f700add;hpb=172e2b480354c7e44a50c654f09b8ab35f245f45 diff --git a/index/zserver.h b/index/zserver.h index f740257..8680d43 100644 --- a/index/zserver.h +++ b/index/zserver.h @@ -1,10 +1,115 @@ /* - * Copyright (C) 1994-1995, Index Data I/S + * Copyright (C) 1994-2000, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zserver.h,v $ - * Revision 1.19 1996-05-14 11:34:01 adam + * Revision 1.49 2000-05-18 12:01:36 adam + * System call times(2) used again. More 64-bit fixes. + * + * Revision 1.48 2000/04/05 09:49:35 adam + * On Unix, zebra/z'mbol uses automake. + * + * Revision 1.47 2000/03/20 19:08:36 adam + * Added remote record import using Z39.50 extended services and Segment + * Requests. + * + * 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 @@ -67,55 +172,205 @@ * */ -#include +#if HAVE_SYS_TIMES_H +#include +#endif + +#if HAVE_PTHREADS_H +#include +#endif + +#include #include +#include +#include #include "index.h" +#include "zebraapi.h" #include "zinfo.h" +YAZ_BEGIN_CDECL + 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_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; - ZServerSet *sets; - Dict wordDict; - ISAM wordIsam; + 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; +}; + +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; - 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); -void zlog_rpn (Z_RPNQuery *rpn); - -int zebraServerLock (int lockCommit); -void zebraServerUnlock (int commitPhase); -int zebraServerLockGetState (time_t *timep); +#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); +}; + +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); + +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