/*
- * Copyright (C) 1994-1995, Index Data I/S
+ * Copyright (C) 1994-1998, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: zserver.h,v $
- * Revision 1.14 1995-11-16 17:00:57 adam
+ * 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
+ * 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
*
*/
+
+#ifndef USE_TIMES
+#ifdef __linux__
+#define USE_TIMES 1
+#else
+#define USE_TIMES 0
+#endif
+#endif
+
+#if USE_TIMES
+#include <sys/times.h>
+#endif
+
#include <backend.h>
#include <rset.h>
+#include <sortidx.h>
#include "index.h"
-#if RECORD_BASE
-#include "recindex.h"
-#endif
+#include "zinfo.h"
typedef struct {
int sysno;
int score;
-} ZServerSetSysno;
+} *ZebraPosSet;
-typedef struct ZServerSet_ {
- char *name;
- RSET rset;
- int size;
- struct ZServerSet_ *next;
-} ZServerSet;
+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;
-typedef struct {
- ZServerSet *sets;
- Dict wordDict;
- ISAM wordIsam;
- Dict fileDict;
-#if RECORD_BASE
+struct zebra_info {
+ int registerState; /* 0 (no commit pages), 1 (use commit pages) */
+ time_t registerChange;
+ ZebraSet sets;
+ Dict dict;
+ SortIdx sortIdx;
+ ISAM isam;
+ ISAMC isamc;
Records records;
-#else
- int sys_idx_fd;
-#endif
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, 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);
+ ZebraExplainInfo zei;
+ 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;
+ ZebraRankClass rank_classes;
+};
+
+typedef struct zebra_info *ZebraHandle;
+
+struct rank_control {
+ char *name;
+ void *(*create)(ZebraHandle zh);
+ void (*destroy)(ZebraHandle 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);
+};
+
+void rpn_search (ZebraHandle zh, ODR stream,
+ Z_RPNQuery *rpn, int num_bases, char **basenames,
+ const char *setname);
+
+
+typedef struct {
+ int occurrences;
+ char *term;
+} ZebraScanEntry;
+
+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, ISAM_P *isam_p, int no,
+ const char *term, int length_term, const char *flags);
+
+ZebraSet resultSetAdd (ZebraHandle zh, const char *name,
+ int ov, RSET rset, int *hits);
+ZebraSet resultSetGet (ZebraHandle zh, const char *name);
+RSET resultSetRef (ZebraHandle zh, Z_ResultSetId *resultSetId);
+void resultSetDestroy (ZebraHandle zh);
+
+ZebraPosSet zebraPosSetCreate (ZebraHandle zh, const char *name,
+ int num, int *positions);
+void zebraPosSetDestroy (ZebraHandle zh, ZebraPosSet records, int num);
+
+void resultSetSort (ZebraHandle zh, ODR stream,
+ int num_input_setnames, char **input_setnames,
+ char *output_setname, Z_SortKeySpecList *sort_sequence,
+ int *sort_status);
+
+void zebra_sort (ZebraHandle zh, ODR stream,
+ int num_input_setnames, char **input_setnames,
+ char *output_setname, Z_SortKeySpecList *sort_sequence,
+ int *sort_status);
+
void zlog_rpn (Z_RPNQuery *rpn);
+void zlog_scan (Z_AttributesPlusTerm *zapt, oid_value ast);
+
+int zebra_server_lock_init (ZebraHandle zh);
+int zebra_server_lock_destroy (ZebraHandle zh);
+int zebra_server_lock (ZebraHandle zh, int lockCommit);
+void zebra_server_unlock (ZebraHandle zh, int commitPhase);
+int zebra_server_lock_get_state (ZebraHandle zh, time_t *timep);
+
+typedef struct attent
+{
+ int attset_ordinal;
+ data1_local_attribute *local_attributes;
+} attent;
+
+void zebraRankInstall (ZebraHandle zh, struct rank_control *ctrl);
+ZebraRankClass zebraRankLookup (ZebraHandle zh, const char *name);
+void zebraRankDestroy (ZebraHandle zh);
+
+int att_getentbyatt(ZebraHandle zh, attent *res, oid_value set, int att);
+
+extern struct rank_control *rank1_class;
+
+ZebraHandle zebra_open (const char *host, const char *configName);
+void zebra_search_rpn (ZebraHandle zh, ODR stream,
+ Z_RPNQuery *query, int num_bases, char **basenames,
+ const char *setname);
+
+typedef struct {
+ int position;
+ char *buf;
+ int len;
+ oid_value format;
+ char *base;
+} ZebraRetrievalRecord;
+
+void zebra_records_retrieve (ZebraHandle zh, ODR stream,
+ const char *setname, Z_RecordComposition *comp,
+ oid_value input_format,
+ int num_recs, ZebraRetrievalRecord *recs);
+
+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 zebra_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);
+
+void zebra_close (ZebraHandle zh);
+
projects / idzebra-moved-to-github.git / blobdiff