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Diffstat (limited to 'lib/tdb2/tdb1_private.h')
| -rw-r--r-- | lib/tdb2/tdb1_private.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/lib/tdb2/tdb1_private.h b/lib/tdb2/tdb1_private.h deleted file mode 100644 index 833298b737..0000000000 --- a/lib/tdb2/tdb1_private.h +++ /dev/null @@ -1,178 +0,0 @@ -#ifndef CCAN_TDB2_TDB1_PRIVATE_H -#define CCAN_TDB2_TDB1_PRIVATE_H - /* - Unix SMB/CIFS implementation. - - trivial database library - private includes - - Copyright (C) Andrew Tridgell 2005 - - ** NOTE! The following LGPL license applies to the tdb - ** library. This does NOT imply that all of Samba is released - ** under the LGPL - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 3 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, see <http://www.gnu.org/licenses/>. -*/ - -#include "private.h" - -#include <limits.h> - -/* #define TDB_TRACE 1 */ -#ifndef HAVE_GETPAGESIZE -#define getpagesize() 0x2000 -#endif - -#ifndef __STRING -#define __STRING(x) #x -#endif - -#ifndef __STRINGSTRING -#define __STRINGSTRING(x) __STRING(x) -#endif - -#ifndef __location__ -#define __location__ __FILE__ ":" __STRINGSTRING(__LINE__) -#endif - -#ifndef offsetof -#define offsetof(t,f) ((unsigned int)&((t *)0)->f) -#endif - -#define TDB1_VERSION (0x26011967 + 6) -#define TDB1_MAGIC (0x26011999U) -#define TDB1_FREE_MAGIC (~TDB1_MAGIC) -#define TDB1_DEAD_MAGIC (0xFEE1DEAD) -#define TDB1_RECOVERY_MAGIC (0xf53bc0e7U) -#define TDB1_RECOVERY_INVALID_MAGIC (0x0) -#define TDB1_HASH_RWLOCK_MAGIC (0xbad1a51U) -#define TDB1_ALIGNMENT 4 -#define TDB1_DEFAULT_HASH_SIZE 131 -#define TDB1_FREELIST_TOP (sizeof(struct tdb1_header)) -#define TDB1_ALIGN(x,a) (((x) + (a)-1) & ~((a)-1)) -#define TDB1_DEAD(r) ((r)->magic == TDB1_DEAD_MAGIC) -#define TDB1_BAD_MAGIC(r) ((r)->magic != TDB1_MAGIC && !TDB1_DEAD(r)) -#define TDB1_HASH_TOP(hash) (TDB1_FREELIST_TOP + (TDB1_BUCKET(hash)+1)*sizeof(tdb1_off_t)) -#define TDB1_HASHTABLE_SIZE(tdb) ((tdb->tdb1.header.hash_size+1)*sizeof(tdb1_off_t)) -#define TDB1_DATA_START(hash_size) (TDB1_HASH_TOP(hash_size-1) + sizeof(tdb1_off_t)) -#define TDB1_RECOVERY_HEAD offsetof(struct tdb1_header, recovery_start) -#define TDB1_SEQNUM_OFS offsetof(struct tdb1_header, sequence_number) -#define TDB1_PAD_BYTE 0x42 -#define TDB1_PAD_U32 0x42424242 - -/* lock offsets */ -#define TDB1_OPEN_LOCK 0 -#define TDB1_ACTIVE_LOCK 4 -#define TDB1_TRANSACTION_LOCK 8 - -/* free memory if the pointer is valid and zero the pointer */ -#ifndef SAFE_FREE -#define SAFE_FREE(x) do { if ((x) != NULL) {free((void *)x); (x)=NULL;} } while(0) -#endif - -#define TDB1_BUCKET(hash) ((hash) % tdb->tdb1.header.hash_size) - -#define TDB1_DOCONV() (tdb->flags & TDB_CONVERT) -#define TDB1_CONV(x) (TDB1_DOCONV() ? tdb1_convert(&x, sizeof(x)) : &x) - -/* the body of the database is made of one tdb1_record for the free space - plus a separate data list for each hash value */ -struct tdb1_record { - tdb1_off_t next; /* offset of the next record in the list */ - tdb1_len_t rec_len; /* total byte length of record */ - tdb1_len_t key_len; /* byte length of key */ - tdb1_len_t data_len; /* byte length of data */ - uint32_t full_hash; /* the full 32 bit hash of the key */ - uint32_t magic; /* try to catch errors */ - /* the following union is implied: - union { - char record[rec_len]; - struct { - char key[key_len]; - char data[data_len]; - } - uint32_t totalsize; (tailer) - } - */ -}; - - -struct tdb1_methods { - int (*tdb1_read)(struct tdb_context *, tdb1_off_t , void *, tdb1_len_t , int ); - int (*tdb1_write)(struct tdb_context *, tdb1_off_t, const void *, tdb1_len_t); - void (*next_hash_chain)(struct tdb_context *, uint32_t *); - int (*tdb1_oob)(struct tdb_context *, tdb1_off_t , int ); - int (*tdb1_expand_file)(struct tdb_context *, tdb1_off_t , tdb1_off_t ); -}; - - -/* - internal prototypes -*/ -int tdb1_munmap(struct tdb_context *tdb); -int tdb1_mmap(struct tdb_context *tdb); -int tdb1_lock(struct tdb_context *tdb, int list, int ltype); -int tdb1_nest_lock(struct tdb_context *tdb, uint32_t offset, int ltype, - enum tdb_lock_flags flags); -int tdb1_nest_unlock(struct tdb_context *tdb, uint32_t offset, int ltype); -int tdb1_unlock(struct tdb_context *tdb, int list, int ltype); -int tdb1_brlock(struct tdb_context *tdb, - int rw_type, tdb1_off_t offset, size_t len, - enum tdb_lock_flags flags); -int tdb1_brunlock(struct tdb_context *tdb, - int rw_type, tdb1_off_t offset, size_t len); -bool tdb1_have_extra_locks(struct tdb_context *tdb); -void tdb1_release_transaction_locks(struct tdb_context *tdb); -int tdb1_transaction_lock(struct tdb_context *tdb, int ltype, - enum tdb_lock_flags lockflags); -int tdb1_transaction_unlock(struct tdb_context *tdb, int ltype); -int tdb1_recovery_area(struct tdb_context *tdb, - const struct tdb1_methods *methods, - tdb1_off_t *recovery_offset, - struct tdb1_record *rec); -int tdb1_allrecord_upgrade(struct tdb_context *tdb); -int tdb1_write_lock_record(struct tdb_context *tdb, tdb1_off_t off); -int tdb1_write_unlock_record(struct tdb_context *tdb, tdb1_off_t off); -int tdb1_ofs_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d); -int tdb1_ofs_write(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d); -void *tdb1_convert(void *buf, uint32_t size); -int tdb1_free(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec); -tdb1_off_t tdb1_allocate(struct tdb_context *tdb, tdb1_len_t length, struct tdb1_record *rec); -int tdb1_ofs_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d); -int tdb1_ofs_write(struct tdb_context *tdb, tdb1_off_t offset, tdb1_off_t *d); -int tdb1_lock_record(struct tdb_context *tdb, tdb1_off_t off); -int tdb1_unlock_record(struct tdb_context *tdb, tdb1_off_t off); -tdb_bool_err tdb1_needs_recovery(struct tdb_context *tdb); -int tdb1_rec_read(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec); -int tdb1_rec_write(struct tdb_context *tdb, tdb1_off_t offset, struct tdb1_record *rec); -int tdb1_do_delete(struct tdb_context *tdb, tdb1_off_t rec_ptr, struct tdb1_record *rec); -unsigned char *tdb1_alloc_read(struct tdb_context *tdb, tdb1_off_t offset, tdb1_len_t len); -enum TDB_ERROR tdb1_parse_data(struct tdb_context *tdb, TDB_DATA key, - tdb1_off_t offset, tdb1_len_t len, - enum TDB_ERROR (*parser)(TDB_DATA key, - TDB_DATA data, - void *private_data), - void *private_data); -tdb1_off_t tdb1_find_lock_hash(struct tdb_context *tdb, TDB_DATA key, uint32_t hash, int locktype, - struct tdb1_record *rec); -void tdb1_io_init(struct tdb_context *tdb); -int tdb1_expand(struct tdb_context *tdb, tdb1_off_t size); -int tdb1_rec_free_read(struct tdb_context *tdb, tdb1_off_t off, - struct tdb1_record *rec); -bool tdb1_write_all(int fd, const void *buf, size_t count); -void tdb1_header_hash(struct tdb_context *tdb, - uint32_t *magic1_hash, uint32_t *magic2_hash); -uint64_t tdb1_old_hash(const void *key, size_t len, uint64_t seed, void *); -size_t tdb1_dead_space(struct tdb_context *tdb, tdb1_off_t off); -#endif /* CCAN_TDB2_TDB1_PRIVATE_H */ |