2 * Copyright (C) 1994-1996, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.20 1996-06-04 10:19:02 adam
8 * Minor changes - removed include of ctype.h.
10 * Revision 1.19 1996/05/14 11:34:01 adam
11 * Scan support in multiple registers/databases.
13 * Revision 1.18 1996/05/14 06:16:50 adam
14 * Compact use/set bytes used in search service.
16 * Revision 1.17 1995/12/08 16:22:57 adam
17 * Work on update while servers are running. Three lock files introduced.
18 * The servers reload their registers when necessary, but they don't
19 * reestablish result sets yet.
21 * Revision 1.16 1995/12/07 17:38:48 adam
22 * Work locking mechanisms for concurrent updates/commit.
24 * Revision 1.15 1995/11/21 15:29:13 adam
25 * Config file 'base' read by default by both indexer and server.
27 * Revision 1.14 1995/11/16 17:00:57 adam
28 * Better logging of rpn query.
30 * Revision 1.13 1995/11/16 15:34:56 adam
31 * Uses new record management system in both indexer and server.
33 * Revision 1.12 1995/10/27 14:00:12 adam
34 * Implemented detection of database availability.
36 * Revision 1.11 1995/10/17 18:02:12 adam
37 * New feature: databases. Implemented as prefix to words in dictionary.
39 * Revision 1.10 1995/10/09 16:18:38 adam
40 * Function dict_lookup_grep got extra client data parameter.
42 * Revision 1.9 1995/10/06 14:38:01 adam
43 * New result set method: r_score.
44 * Local no (sysno) and score is transferred to retrieveCtrl.
46 * Revision 1.8 1995/10/06 13:52:06 adam
47 * Bug fixes. Handler may abort further scanning.
49 * Revision 1.7 1995/10/06 10:43:57 adam
50 * Scan added. 'occurrences' in scan entries not set yet.
52 * Revision 1.6 1995/09/28 09:19:48 adam
53 * xfree/xmalloc used everywhere.
54 * Extract/retrieve method seems to work for text records.
56 * Revision 1.5 1995/09/27 16:17:32 adam
57 * More work on retrieve.
59 * Revision 1.4 1995/09/14 11:53:28 adam
60 * First work on regular expressions/truncations.
62 * Revision 1.3 1995/09/08 08:53:23 adam
63 * Record buffer maintained in server_info.
65 * Revision 1.2 1995/09/06 16:11:19 adam
66 * Option: only one word key per file.
68 * Revision 1.1 1995/09/05 15:28:40 adam
69 * More work on search engine.
84 typedef struct ZServerSet_ {
88 struct ZServerSet_ *next;
92 int registerState; /* 0 (no commit pages), 1 (use commit pages) */
93 time_t registerChange;
104 int rpn_search (ZServerInfo *zi,
105 Z_RPNQuery *rpn, int num_bases, char **basenames,
106 const char *setname, int *hits);
108 int rpn_scan (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
109 oid_value attributeset,
110 int num_bases, char **basenames,
111 int *position, int *num_entries, struct scan_entry **list,
114 ZServerSet *resultSetAdd (ZServerInfo *zi, const char *name,
116 ZServerSet *resultSetGet (ZServerInfo *zi, const char *name);
117 ZServerSetSysno *resultSetSysnoGet (ZServerInfo *zi, const char *name,
118 int num, int *positions);
119 void resultSetSysnoDel (ZServerInfo *zi, ZServerSetSysno *records, int num);
120 void zlog_rpn (Z_RPNQuery *rpn);
122 int zebraServerLock (int lockCommit);
123 void zebraServerUnlock (int commitPhase);
124 int zebraServerLockGetState (time_t *timep);