/* flags for tdb_summary. Logical or to combine. */
enum tdb_summary_flags { TDB_SUMMARY_HISTOGRAMS = 1 };
-/* debugging uses one of the following levels */
+/* logging uses one of the following levels */
enum tdb_debug_level {TDB_DEBUG_FATAL = 0, TDB_DEBUG_ERROR,
TDB_DEBUG_WARNING, TDB_DEBUG_TRACE};
/* FIXME: Make typesafe */
typedef int (*tdb_traverse_func)(struct tdb_context *, TDB_DATA, TDB_DATA, void *);
-typedef void (*tdb_logfn_t)(struct tdb_context *, enum tdb_debug_level, void *priv, const char *, ...) PRINTF_FMT(4, 5);
+typedef void (*tdb_logfn_t)(struct tdb_context *, enum tdb_debug_level, void *, const char *);
typedef uint64_t (*tdb_hashfn_t)(const void *key, size_t len, uint64_t seed,
void *priv);
enum tdb_attribute_type {
TDB_ATTRIBUTE_LOG = 0,
TDB_ATTRIBUTE_HASH = 1,
- TDB_ATTRIBUTE_SEED = 2
+ TDB_ATTRIBUTE_SEED = 2,
+ TDB_ATTRIBUTE_STATS = 3
};
struct tdb_attribute_base {
uint64_t seed;
};
+struct tdb_attribute_stats {
+ struct tdb_attribute_base base; /* .attr = TDB_ATTRIBUTE_STATS */
+ size_t size; /* = sizeof(struct tdb_attribute_stats) */
+ uint64_t allocs;
+ uint64_t alloc_subhash;
+ uint64_t alloc_bucket_exact;
+ uint64_t alloc_bucket_max;
+ uint64_t alloc_leftover;
+ uint64_t alloc_coalesce_tried;
+ uint64_t alloc_coalesce_lockfail;
+ uint64_t alloc_coalesce_race;
+ uint64_t alloc_coalesce_succeeded;
+ uint64_t alloc_coalesce_num_merged;
+ uint64_t compares;
+ uint64_t compare_wrong_bucket;
+ uint64_t compare_wrong_offsetbits;
+ uint64_t compare_wrong_keylen;
+ uint64_t compare_wrong_rechash;
+ uint64_t compare_wrong_keycmp;
+ uint64_t expands;
+ uint64_t frees;
+ uint64_t locks;
+ uint64_t lock_lowlevel;
+ uint64_t lock_nonblock;
+};
+
union tdb_attribute {
struct tdb_attribute_base base;
struct tdb_attribute_log log;
struct tdb_attribute_hash hash;
struct tdb_attribute_seed seed;
+ struct tdb_attribute_stats stats;
};
struct tdb_context *tdb_open(const char *name, int tdb_flags,
int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
void *private_data);
-enum TDB_ERROR tdb_error(struct tdb_context *tdb);
-const char *tdb_errorstr(struct tdb_context *tdb);
+enum TDB_ERROR tdb_error(const struct tdb_context *tdb);
+const char *tdb_errorstr(const struct tdb_context *tdb);
int tdb_transaction_start(struct tdb_context *tdb);
void tdb_transaction_cancel(struct tdb_context *tdb);