2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.19 1996-05-14 11:34:01 adam
8 * Scan support in multiple registers/databases.
10 * Revision 1.18 1996/05/14 06:16:50 adam
11 * Compact use/set bytes used in search service.
13 * Revision 1.17 1995/12/08 16:22:57 adam
14 * Work on update while servers are running. Three lock files introduced.
15 * The servers reload their registers when necessary, but they don't
16 * reestablish result sets yet.
18 * Revision 1.16 1995/12/07 17:38:48 adam
19 * Work locking mechanisms for concurrent updates/commit.
21 * Revision 1.15 1995/11/21 15:29:13 adam
22 * Config file 'base' read by default by both indexer and server.
24 * Revision 1.14 1995/11/16 17:00:57 adam
25 * Better logging of rpn query.
27 * Revision 1.13 1995/11/16 15:34:56 adam
28 * Uses new record management system in both indexer and server.
30 * Revision 1.12 1995/10/27 14:00:12 adam
31 * Implemented detection of database availability.
33 * Revision 1.11 1995/10/17 18:02:12 adam
34 * New feature: databases. Implemented as prefix to words in dictionary.
36 * Revision 1.10 1995/10/09 16:18:38 adam
37 * Function dict_lookup_grep got extra client data parameter.
39 * Revision 1.9 1995/10/06 14:38:01 adam
40 * New result set method: r_score.
41 * Local no (sysno) and score is transferred to retrieveCtrl.
43 * Revision 1.8 1995/10/06 13:52:06 adam
44 * Bug fixes. Handler may abort further scanning.
46 * Revision 1.7 1995/10/06 10:43:57 adam
47 * Scan added. 'occurrences' in scan entries not set yet.
49 * Revision 1.6 1995/09/28 09:19:48 adam
50 * xfree/xmalloc used everywhere.
51 * Extract/retrieve method seems to work for text records.
53 * Revision 1.5 1995/09/27 16:17:32 adam
54 * More work on retrieve.
56 * Revision 1.4 1995/09/14 11:53:28 adam
57 * First work on regular expressions/truncations.
59 * Revision 1.3 1995/09/08 08:53:23 adam
60 * Record buffer maintained in server_info.
62 * Revision 1.2 1995/09/06 16:11:19 adam
63 * Option: only one word key per file.
65 * Revision 1.1 1995/09/05 15:28:40 adam
66 * More work on search engine.
81 typedef struct ZServerSet_ {
85 struct ZServerSet_ *next;
89 int registerState; /* 0 (no commit pages), 1 (use commit pages) */
90 time_t registerChange;
101 int rpn_search (ZServerInfo *zi,
102 Z_RPNQuery *rpn, int num_bases, char **basenames,
103 const char *setname, int *hits);
105 int rpn_scan (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
106 oid_value attributeset,
107 int num_bases, char **basenames,
108 int *position, int *num_entries, struct scan_entry **list,
111 ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name,
113 ZServerSet *resultSetGet (ZServerInfo *zi, const char *name);
114 ZServerSetSysno *resultSetSysnoGet (ZServerInfo *zi, const char *name,
115 int num, int *positions);
116 void resultSetSysnoDel (ZServerInfo *zi, ZServerSetSysno *records, int num);
117 void zlog_rpn (Z_RPNQuery *rpn);
119 int zebraServerLock (int lockCommit);
120 void zebraServerUnlock (int commitPhase);
121 int zebraServerLockGetState (time_t *timep);