X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ftdb2.h;h=5e354dfe9b5d562603d474dacef0e771de53cefe;hp=ea298db5e6aaa6e63e3ca632d561d6e6748013ab;hb=52c4843176ce73484dd405261d13048bcd1b85e5;hpb=4e185ad8ab5a7e01edbbe12d11eb2f1577de7e8b diff --git a/ccan/tdb2/tdb2.h b/ccan/tdb2/tdb2.h index ea298db5..5e354dfe 100644 --- a/ccan/tdb2/tdb2.h +++ b/ccan/tdb2/tdb2.h @@ -1,17 +1,17 @@ #ifndef CCAN_TDB2_H #define CCAN_TDB2_H -/* +/* Unix SMB/CIFS implementation. trivial database library Copyright (C) Andrew Tridgell 1999-2004 - + ** 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 @@ -57,19 +57,17 @@ extern "C" { #define TDB_NOSYNC 64 /* don't use synchronous transactions */ #define TDB_SEQNUM 128 /* maintain a sequence number */ #define TDB_VOLATILE 256 /* Activate the per-hashchain freelist, default 5 */ -#define TDB_ALLOW_NESTING 512 /* Allow transactions to nest */ /* error codes */ -enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK, +enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK, TDB_ERR_OOM, TDB_ERR_EXISTS, TDB_ERR_NOEXIST, - TDB_ERR_EINVAL, TDB_ERR_RDONLY, TDB_ERR_NESTING }; + TDB_ERR_EINVAL, TDB_ERR_RDONLY }; /* flags for tdb_summary. Logical or to combine. */ enum tdb_summary_flags { TDB_SUMMARY_HISTOGRAMS = 1 }; /* logging uses one of the following levels */ -enum tdb_debug_level {TDB_DEBUG_FATAL = 0, TDB_DEBUG_ERROR, - TDB_DEBUG_WARNING, TDB_DEBUG_TRACE}; +enum tdb_log_level {TDB_LOG_ERROR = 0, TDB_LOG_USE_ERROR, TDB_LOG_WARNING}; typedef struct tdb_data { unsigned char *dptr; @@ -80,9 +78,6 @@ struct tdb_context; /* 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 *, 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, @@ -98,13 +93,17 @@ struct tdb_attribute_base { struct tdb_attribute_log { struct tdb_attribute_base base; /* .attr = TDB_ATTRIBUTE_LOG */ - tdb_logfn_t log_fn; + void (*log_fn)(struct tdb_context *tdb, + enum tdb_log_level level, + void *log_private, + const char *message); void *log_private; }; struct tdb_attribute_hash { struct tdb_attribute_base base; /* .attr = TDB_ATTRIBUTE_HASH */ - tdb_hashfn_t hash_fn; + uint64_t (*hash_fn)(const void *key, size_t len, uint64_t seed, + void *priv); void *hash_private; }; @@ -118,6 +117,7 @@ struct tdb_attribute_stats { size_t size; /* = sizeof(struct tdb_attribute_stats) */ uint64_t allocs; uint64_t alloc_subhash; + uint64_t alloc_chain; uint64_t alloc_bucket_exact; uint64_t alloc_bucket_max; uint64_t alloc_leftover; @@ -126,6 +126,12 @@ struct tdb_attribute_stats { 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;