/*
- * Copyright (C) 1995, Index Data I/S
+ * Copyright (C) 1994-1995, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: index.h,v $
- * Revision 1.6 1995-09-05 15:28:39 adam
+ * Revision 1.35 1996-02-12 18:45:36 adam
+ * New fileVerboseFlag in record group control.
+ *
+ * Revision 1.34 1995/12/11 11:43:29 adam
+ * Locking based on fcntl instead of flock.
+ * Setting commitEnable removed. Command line option -n can be used to
+ * prevent commit if commit setting is defined in the configuration file.
+ *
+ * Revision 1.33 1995/12/08 16:22:53 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 1.32 1995/12/07 17:38:46 adam
+ * Work locking mechanisms for concurrent updates/commit.
+ *
+ * Revision 1.31 1995/12/06 12:41:22 adam
+ * New command 'stat' for the index program.
+ * Filenames can be read from stdin by specifying '-'.
+ * Bug fix/enhancement of the transformation from terms to regular
+ * expressons in the search engine.
+ *
+ * Revision 1.30 1995/12/05 11:25:02 adam
+ * Include of zebraver.h.
+ *
+ * Revision 1.29 1995/11/28 09:09:40 adam
+ * Zebra config renamed.
+ * Use setting 'recordId' to identify record now.
+ * Bug fix in recindex.c: rec_release_blocks was invokeded even
+ * though the blocks were already released.
+ * File traversal properly deletes records when needed.
+ *
+ * Revision 1.28 1995/11/27 13:58:53 adam
+ * New option -t. storeStore data implemented in server.
+ *
+ * Revision 1.27 1995/11/25 10:24:06 adam
+ * More record fields - they are enumerated now.
+ * New options: flagStoreData flagStoreKey.
+ *
+ * Revision 1.26 1995/11/22 17:19:17 adam
+ * Record management uses the bfile system.
+ *
+ * Revision 1.25 1995/11/21 15:29:12 adam
+ * Config file 'base' read by default by both indexer and server.
+ *
+ * Revision 1.24 1995/11/21 15:01:15 adam
+ * New general match criteria implemented.
+ * New feature: document groups.
+ *
+ * Revision 1.23 1995/11/20 16:59:45 adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.22 1995/11/20 11:56:26 adam
+ * Work on new traversal.
+ *
+ * Revision 1.21 1995/11/16 15:34:55 adam
+ * Uses new record management system in both indexer and server.
+ *
+ * Revision 1.20 1995/11/15 14:46:18 adam
+ * Started work on better record management system.
+ *
+ * Revision 1.19 1995/10/27 14:00:11 adam
+ * Implemented detection of database availability.
+ *
+ * Revision 1.18 1995/10/17 18:02:08 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.17 1995/10/13 16:01:49 adam
+ * Work on relations.
+ *
+ * Revision 1.16 1995/10/10 12:24:38 adam
+ * Temporary sort files are compressed.
+ *
+ * Revision 1.15 1995/10/04 16:57:19 adam
+ * Key input and merge sort in one pass.
+ *
+ * Revision 1.14 1995/09/29 14:01:40 adam
+ * Bug fixes.
+ *
+ * Revision 1.13 1995/09/28 14:22:56 adam
+ * Sort uses smaller temporary files.
+ *
+ * Revision 1.12 1995/09/28 12:10:32 adam
+ * Bug fixes. Field prefix used in queries.
+ *
+ * Revision 1.11 1995/09/27 12:22:28 adam
+ * More work on extract in record control.
+ * Field name is not in isam keys but in prefix in dictionary words.
+ *
+ * Revision 1.10 1995/09/14 07:48:23 adam
+ * Record control management.
+ *
+ * Revision 1.9 1995/09/11 13:09:33 adam
+ * More work on relevance feedback.
+ *
+ * Revision 1.8 1995/09/08 14:52:27 adam
+ * Minor changes. Dictionary is lower case now.
+ *
+ * Revision 1.7 1995/09/06 16:11:16 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.6 1995/09/05 15:28:39 adam
* More work on search engine.
*
* Revision 1.5 1995/09/04 12:33:42 adam
*
*/
+#include <zebraver.h>
#include <alexutil.h>
#include <dict.h>
#include <isam.h>
+#define IT_MAX_WORD 256
+#define IT_KEY_HAVE_SEQNO 1
+#define IT_KEY_HAVE_FIELD 0
+
struct it_key {
- int sysno;
- int seqno;
- int field;
+ int sysno;
+ int seqno;
};
+enum dirsKind { dirs_dir, dirs_file };
+
struct dir_entry {
+ enum dirsKind kind;
char *name;
+ int ctime;
+};
+
+struct dirs_entry {
+ enum dirsKind kind;
+ char path[256];
+ SYSNO sysno;
+ int ctime;
};
+struct recordGroup {
+ char *groupName;
+ char *databaseName;
+ char *path;
+ char *recordId;
+ char *recordType;
+ int flagStoreData;
+ int flagStoreKeys;
+ int fileVerboseFlag;
+};
+
+
+struct dirs_info *dirs_open (Dict dict, const char *rep);
+struct dirs_entry *dirs_read (struct dirs_info *p);
+struct dirs_entry *dirs_last (struct dirs_info *p);
+void dirs_mkdir (struct dirs_info *p, const char *src, int ctime);
+void dirs_rmdir (struct dirs_info *p, const char *src);
+void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime);
+void dirs_del (struct dirs_info *p, const char *src);
+void dirs_free (struct dirs_info **pp);
+
struct dir_entry *dir_open (const char *rep);
void dir_sort (struct dir_entry *e);
void dir_free (struct dir_entry **e_p);
-void repository (int cmd, const char *rep, const char *base_path);
-void file_extract (int cmd, const char *fname, const char *kname);
+void repositoryUpdate (struct recordGroup *rGroup);
+void repositoryAdd (struct recordGroup *rGroup);
+void repositoryDelete (struct recordGroup *rGroup);
-void key_open (const char *fname);
+void key_open (int mem);
int key_close (void);
-void key_flush (void);
void key_write (int cmd, struct it_key *k, const char *str);
int key_compare (const void *p1, const void *p2);
-int key_compare_x (const struct it_key *i1, const struct it_key *i2);
-void key_input (const char *dict_fname, const char *isam_fname,
- const char *key_fname, int cache);
-int key_sort (const char *key_fname, size_t mem);
+int key_qsort_compare (const void *p1, const void *p2);
+void key_logdump (int mask, const void *p);
+void key_input (const char *dict_fname, const char *isam_fname,
+ int nkeys, int cache);
+int merge_sort (char **buf, int from, int to);
+#define TEMP_FNAME "keys%d.tmp"
#define FNAME_WORD_DICT "worddict"
#define FNAME_WORD_ISAM "wordisam"
-#define FNAME_FILE_DICT "filedict"
-#define FNAME_SYS_IDX "sysidx"
-#define SYS_IDX_ENTRY_LEN 120
+#define FNAME_CONFIG "zebra.cfg"
+
+#define GMATCH_DICT "gmatch"
+#define FMATCH_DICT "fmatch"
+
+struct strtab *strtab_mk (void);
+int strtab_src (struct strtab *t, const char *name, void ***infop);
+void strtab_del (struct strtab *t,
+ void (*func)(const char *name, void *info, void *data),
+ void *data);
+int index_char_cvt (int c);
+int index_word_prefix (char *string, int attset_ordinal,
+ int local_attribute, const char *databaseName);
+
+int fileExtract (SYSNO *sysno, const char *fname,
+ const struct recordGroup *rGroup, int deleteFlag);
+
+void rec_prstat (void);
+
+void zebraLockPrefix (char *pathPrefix);
+
+void zebraIndexLockMsg (const char *str);
+void zebraIndexUnlock (void);
+void zebraIndexLock (int commitNow);
+int zebraIndexWait (int commitPhase);
+
+#define FNAME_MAIN_LOCK "zebraidx.LCK"
+#define FNAME_COMMIT_LOCK "zebracmt.LCK"
+#define FNAME_ORG_LOCK "zebraorg.LCK"
+#define FNAME_TOUCH_TIME "zebraidx.time"
+
+int zebraLock (int fd, int wr);
+int zebraLockNB (int fd, int wr);
+int zebraUnlock (int fd);