X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.h;h=2b25cdf4216702e3c318192a542361965716fa63;hb=96810973bbdcdec7019b22fc26aaffddac2cb70d;hp=33e566b2c32b7cb0e8c3b214f3f1d6d231efbe53;hpb=fb99bfcb44d29215f411d82646c59f2f74f5a25c;p=idzebra-moved-to-github.git diff --git a/index/zserver.h b/index/zserver.h index 33e566b..2b25cdf 100644 --- a/index/zserver.h +++ b/index/zserver.h @@ -1,22 +1,124 @@ /* - * Copyright (C) 1995, Index Data I/S + * Copyright (C) 1994-1997, Index Data I/S * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zserver.h,v $ - * Revision 1.1 1995-09-05 15:28:40 adam + * 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. * */ -#include "index.h" -#include + +#ifndef USE_TIMES +#ifdef __linux__ +#define USE_TIMES 1 +#else +#define USE_TIMES 0 +#endif +#endif + +#if USE_TIMES +#include +#endif + +#include #include +#include "index.h" +#include "zinfo.h" + typedef struct { - size_t size; - char *buf; -} ZServerRecord; + int sysno; + int score; +} ZServerSetSysno; typedef struct ZServerSet_ { char *name; @@ -26,20 +128,64 @@ typedef struct ZServerSet_ { } ZServerSet; typedef struct { + int registerState; /* 0 (no commit pages), 1 (use commit pages) */ + time_t registerChange; ZServerSet *sets; - Dict wordDict; - ISAM wordIsam; - Dict fileDict; - int sys_idx_fd; + Dict dict; + ISAM isam; + ISAMC isamc; + Records records; + int errCode; + char *errString; + ODR odr; + ZebTargetInfo *zti; + data1_handle dh; + data1_attset *registered_sets; + BFiles bfs; + Res res; + + ZebraLockHandle server_lock_cmt; + ZebraLockHandle server_lock_org; + char *server_path_prefix; +#if USE_TIMES + struct tms tms1; + struct tms tms2; +#endif + ZebraMaps zebra_maps; } 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); + +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); -ZServerRecord *resultSetRecordGet (ZServerInfo *zi, const char *name, - int num, int *positions); -void resultSetRecordDel (ZServerInfo *zi, ZServerRecord *records, int num); +void resultSetDestroy (ZServerInfo *zi); + +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 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); + +typedef struct attent +{ + int attset_ordinal; + data1_local_attribute *local_attributes; +} attent; + +int att_getentbyatt(ZServerInfo *zi, attent *res, oid_value set, int att);