*/
#include "private.h"
-#include "tdb1.h"
-
-/**** FIXME: Type overrides for tdb2, for transition! */
-#define tdb_logerr(tdb, ecode, level, ...) \
- tdb_logerr((struct tdb_context *)(tdb), (ecode), (level), __VA_ARGS__)
-
-#define tdb_error(tdb) \
- tdb_error((struct tdb_context *)(tdb))
-
-/***** END FIXME ***/
#include <limits.h>
#define __location__ __FILE__ ":" __STRINGSTRING(__LINE__)
#endif
-typedef uint32_t tdb1_len_t;
-typedef uint32_t tdb1_off_t;
-
#ifndef offsetof
#define offsetof(t,f) ((unsigned int)&((t *)0)->f)
#endif
#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_BYTEREV(x) (((((x)&0xff)<<24)|((x)&0xFF00)<<8)|(((x)>>8)&0xFF00)|((x)>>24))
#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->header.hash_size+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)
/* free memory if the pointer is valid and zero the pointer */
#ifndef SAFE_FREE
-#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); (x)=NULL;} } while(0)
+#define SAFE_FREE(x) do { if ((x) != NULL) {free((void *)x); (x)=NULL;} } while(0)
#endif
-#define TDB1_BUCKET(hash) ((hash) % tdb->header.hash_size)
+#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)
};
-/* this is stored at the front of every database */
-struct tdb1_header {
- char magic_food[32]; /* for /etc/magic */
- uint32_t version; /* version of the code */
- uint32_t hash_size; /* number of hash entries */
- tdb1_off_t rwlocks; /* obsolete - kept to detect old formats */
- tdb1_off_t recovery_start; /* offset of transaction recovery region */
- tdb1_off_t sequence_number; /* used when TDB1_SEQNUM is set */
- uint32_t magic1_hash; /* hash of TDB_MAGIC_FOOD. */
- uint32_t magic2_hash; /* hash of TDB1_MAGIC. */
- tdb1_off_t reserved[27];
-};
-
-struct tdb1_lock_type {
- uint32_t off;
- uint32_t count;
- uint32_t ltype;
-};
-
-struct tdb1_traverse_lock {
- struct tdb1_traverse_lock *next;
- uint32_t off;
- uint32_t hash;
- int lock_rw;
-};
-
-struct tdb1_context;
-
struct tdb1_methods {
- int (*tdb1_read)(struct tdb1_context *, tdb1_off_t , void *, tdb1_len_t , int );
- int (*tdb1_write)(struct tdb1_context *, tdb1_off_t, const void *, tdb1_len_t);
- void (*next_hash_chain)(struct tdb1_context *, uint32_t *);
- int (*tdb1_oob)(struct tdb1_context *, tdb1_off_t , int );
- int (*tdb1_expand_file)(struct tdb1_context *, tdb1_off_t , tdb1_off_t );
+ 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 );
};
-struct tdb1_context {
- struct tdb1_context *next;
-
- char *name; /* the name of the database */
-
- /* Logging function */
- void (*log_fn)(struct tdb1_context *tdb,
- enum tdb_log_level level,
- enum TDB_ERROR ecode,
- const char *message,
- void *data);
- void *log_data;
-
- /* Last error we returned. */
- enum TDB_ERROR last_error; /* error code for last tdb error */
-
- void *map_ptr; /* where it is currently mapped */
- int fd; /* open file descriptor for the database */
- tdb1_len_t map_size; /* how much space has been mapped */
- int read_only; /* opened read-only */
- int traverse_read; /* read-only traversal */
- int traverse_write; /* read-write traversal */
- struct tdb1_lock_type allrecord_lock; /* .offset == upgradable */
- int num_lockrecs;
- struct tdb1_lock_type *lockrecs; /* only real locks, all with count>0 */
- struct tdb1_header header; /* a cached copy of the header */
- uint32_t flags; /* the flags passed to tdb1_open */
- struct tdb1_traverse_lock travlocks; /* current traversal locks */
- dev_t device; /* uniquely identifies this tdb */
- ino_t inode; /* uniquely identifies this tdb */
- unsigned int (*hash_fn)(TDB_DATA *key);
- int open_flags; /* flags used in the open - needed by reopen */
- const struct tdb1_methods *methods;
- struct tdb1_transaction *transaction;
- int page_size;
- int max_dead_records;
-};
/*
internal prototypes
*/
-int tdb1_munmap(struct tdb1_context *tdb);
-void tdb1_mmap(struct tdb1_context *tdb);
-int tdb1_lock(struct tdb1_context *tdb, int list, int ltype);
-int tdb1_nest_lock(struct tdb1_context *tdb, uint32_t offset, int ltype,
+int tdb1_munmap(struct tdb_context *tdb);
+void 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 tdb1_context *tdb, uint32_t offset, int ltype);
-int tdb1_unlock(struct tdb1_context *tdb, int list, int ltype);
-int tdb1_brlock(struct tdb1_context *tdb,
+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 tdb1_context *tdb,
+int tdb1_brunlock(struct tdb_context *tdb,
int rw_type, tdb1_off_t offset, size_t len);
-bool tdb1_have_extra_locks(struct tdb1_context *tdb);
-void tdb1_release_transaction_locks(struct tdb1_context *tdb);
-int tdb1_transaction_lock(struct tdb1_context *tdb, int ltype,
+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 tdb1_context *tdb, int ltype);
-int tdb1_recovery_area(struct tdb1_context *tdb,
+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_lock(struct tdb1_context *tdb, int ltype,
- enum tdb_lock_flags flags, bool upgradable);
-int tdb1_allrecord_unlock(struct tdb1_context *tdb, int ltype);
-int tdb1_allrecord_upgrade(struct tdb1_context *tdb);
-int tdb1_write_lock_record(struct tdb1_context *tdb, tdb1_off_t off);
-int tdb1_write_unlock_record(struct tdb1_context *tdb, tdb1_off_t off);
-int tdb1_ofs_read(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_ofs_write(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
+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 tdb1_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-tdb1_off_t tdb1_allocate(struct tdb1_context *tdb, tdb1_len_t length, struct tdb1_record *rec);
-int tdb1_ofs_read(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_ofs_write(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_off_t *d);
-int tdb1_lock_record(struct tdb1_context *tdb, tdb1_off_t off);
-int tdb1_unlock_record(struct tdb1_context *tdb, tdb1_off_t off);
-bool tdb1_needs_recovery(struct tdb1_context *tdb);
-int tdb1_rec_read(struct tdb1_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-int tdb1_rec_write(struct tdb1_context *tdb, tdb1_off_t offset, struct tdb1_record *rec);
-int tdb1_do_delete(struct tdb1_context *tdb, tdb1_off_t rec_ptr, struct tdb1_record *rec);
-unsigned char *tdb1_alloc_read(struct tdb1_context *tdb, tdb1_off_t offset, tdb1_len_t len);
-int tdb1_parse_data(struct tdb1_context *tdb, TDB_DATA key,
- tdb1_off_t offset, tdb1_len_t len,
- int (*parser)(TDB_DATA key, TDB_DATA data,
- void *private_data),
- void *private_data);
-tdb1_off_t tdb1_find_lock_hash(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash, int locktype,
+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 tdb1_context *tdb);
-int tdb1_expand(struct tdb1_context *tdb, tdb1_off_t size);
-int tdb1_rec_free_read(struct tdb1_context *tdb, tdb1_off_t off,
+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);
-int tdb1_transaction_recover(struct tdb1_context *tdb);
-void tdb1_header_hash(struct tdb1_context *tdb,
+void tdb1_header_hash(struct tdb_context *tdb,
uint32_t *magic1_hash, uint32_t *magic2_hash);
-unsigned int tdb1_old_hash(TDB_DATA *key);
-size_t tdb1_dead_space(struct tdb1_context *tdb, tdb1_off_t off);
+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 */
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