X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Ftdb2%2Ftdb1_open.c;h=1f23db0126ae07afcbf2629fa584714bb3b9bdcf;hb=a446f1d4d161d66bbb19ba2551cf6429a4865964;hp=5d0097b2a79ac2de54875414cf8c0485d3d7357e;hpb=97224cbbe29e76522ec38d031c54b1cadce8ae03;p=ccan diff --git a/ccan/tdb2/tdb1_open.c b/ccan/tdb2/tdb1_open.c index 5d0097b2..1f23db01 100644 --- a/ccan/tdb2/tdb1_open.c +++ b/ccan/tdb2/tdb1_open.c @@ -95,23 +95,15 @@ static int tdb1_new_database(struct tdb_context *tdb, int hash_size) return ret; } +typedef void (*tdb1_log_func)(struct tdb_context *, enum tdb_log_level, enum TDB_ERROR, + const char *, void *); +typedef uint64_t (*tdb1_hash_func)(const void *key, size_t len, uint64_t seed, + void *data); - -/* open the database, creating it if necessary - - The open_flags and mode are passed straight to the open call on the - database file. A flags value of O_WRONLY is invalid. The hash size - is advisory, use zero for a default value. - - Return is NULL on error, in which case errno is also set. Don't - try to call tdb1_error or tdb1_errname, just do strerror(errno). - - @param name may be NULL for internal databases. */ -struct tdb_context *tdb1_open(const char *name, int hash_size, int tdb1_flags, - int open_flags, mode_t mode) -{ - return tdb1_open_ex(name, hash_size, tdb1_flags, open_flags, mode, NULL, NULL); -} +struct tdb1_logging_context { + tdb1_log_func log_fn; + void *log_private; +}; static bool hash_correct(struct tdb_context *tdb, uint32_t *m1, uint32_t *m2) @@ -137,7 +129,7 @@ static bool check_header_hash(struct tdb_context *tdb, return hash_correct(tdb, m1, m2); } -struct tdb_context *tdb1_open_ex(const char *name, int hash_size, int tdb1_flags, +static struct tdb_context *tdb1_open_ex(const char *name, int hash_size, int tdb1_flags, int open_flags, mode_t mode, const struct tdb1_logging_context *log_ctx, tdb1_hash_func hash_fn) @@ -366,6 +358,34 @@ struct tdb_context *tdb1_open_ex(const char *name, int hash_size, int tdb1_flags } } +/* Temporart wrapper for transition. */ +struct tdb_context *tdb1_open(const char *name, int hash_size, int tdb1_flags, + int open_flags, mode_t mode, + union tdb_attribute *attr) +{ + struct tdb1_logging_context *log_ctx = NULL, log; + tdb1_hash_func hash_fn = NULL; + + while (attr) { + switch (attr->base.attr) { + case TDB_ATTRIBUTE_HASH: + hash_fn = attr->hash.fn; + break; + case TDB_ATTRIBUTE_LOG: + log.log_fn = attr->log.fn; + log.log_private = attr->log.data; + log_ctx = &log; + break; + default: + abort(); + } + attr = attr->base.next; + } + + return tdb1_open_ex(name, hash_size, tdb1_flags, open_flags, mode, + log_ctx, hash_fn); +} + /* * Set the maximum number of dead records per hash chain */