-/* $Id: recindex.h,v 1.28 2006-08-14 10:40:15 adam Exp $
- Copyright (C) 1995-2006
- Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1994-2010 Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
#define REC_NO_INFO 8
typedef struct record_info {
- SYSNO sysno;
+ zint sysno;
int newFlag;
char *info[REC_NO_INFO];
size_t size[REC_NO_INFO];
typedef struct records_info *Records;
-Record rec_cp(Record rec);
+/** \brief marks record for deletion (on file storage)
+ \param p records handle
+ \param recpp record pointer
+ \returns ZEBRA_OK / ZEBRA_FAIL
+*/
ZEBRA_RES rec_del(Records p, Record *recpp);
-void rec_rm(Record *recpp);
+
+/** \brief frees record (from memory)
+ \param recpp record pointer
+*/
+void rec_free(Record *recpp);
+
+/** \brief puts record (writes into file storage)
+ \param p records handle
+ \param recpp record pointer
+ \returns ZEBRA_OK / ZEBRA_FAIL
+*/
ZEBRA_RES rec_put(Records p, Record *recpp);
+
+/** \brief creates new record (to be written to file storage)
+ \param p records handle
+ \returns record pointer (or NULL on error)
+*/
Record rec_new(Records p);
-Record rec_get(Records p, SYSNO sysno);
+/** \brief gets record - with given system number
+ \param p records handle
+ \param sysno system ID (external number)
+ \returns record pointer (or NULL on error)
+*/
+Record rec_get(Records p, zint sysno);
+
+/** \brief gets root record
+ \param p records handle
+ \returns record pointer (or NULL on error)
+*/
Record rec_get_root(Records p);
+
+
+/** \brief gets next record - with given records
+ \param p records handle
+ \param rec record
+ \returns record pointer (or NULL on error)
+*/
+Record rec_get_next(Records p, Record rec);
+
ZEBRA_RES rec_close (Records *p);
+
+/** \brief opens records system
+ \param bfs block file storage
+ \param rw read-write flag(0=read only, 1=write)
+ \param compression_method REC_COMPRESS_ type
+*/
Records rec_open(BFiles bfs, int rw, int compression_method);
+
+/** \brief check whether a compression method is supported
+ \param compression_method (REC_COMPRESS_..)
+ \retval 0 if method is unsupported
+ \retval 1 if method is supported
+*/
+int rec_check_compression_method(int compression_method);
+
char *rec_strdup(const char *s, size_t *len);
-void rec_prstat(Records p);
+void rec_prstat(Records p, int verbose);
+
+zint rec_sysno_to_int(zint sysno);
-SYSNO rec_sysno_to_int(SYSNO sysno);
+/** \brief No compression ("none") */
#define REC_COMPRESS_NONE 0
+/** \brief BZIP2 compression (slow and requires big chunks) */
#define REC_COMPRESS_BZIP2 1
+/** \brief zlib compression (faster and works off small chunks) */
+#define REC_COMPRESS_ZLIB 2
+
enum {
recInfo_fileType,
recInfo_sortKeys
};
+typedef struct recindex *recindex_t;
+
+/** \brief opens record index handle
+ \param bfs Block files handle
+ \param rw 1 for read and write; 0 for read-only
+ \param use_isamb 1 if ISAMB is to used for record index; 0 for flat (old)
+*/
+recindex_t recindex_open(BFiles bfs, int rw, int use_isamb);
+
+/** \brief closes record index handle
+ \param p records handle
+*/
+void recindex_close(recindex_t p);
+int recindex_read_head(recindex_t p, void *buf);
+const char *recindex_get_fname(recindex_t p);
+ZEBRA_RES recindex_write_head(recindex_t p, const void *buf, size_t len);
+int recindex_read_indx(recindex_t p, zint sysno, void *buf, int itemsize,
+ int ignoreError);
+void recindex_write_indx(recindex_t p, zint sysno, void *buf, int itemsize);
+
YAZ_END_CDECL
#endif
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab