diff options
Diffstat (limited to 'source3/lib/util_tdb.c')
| -rw-r--r-- | source3/lib/util_tdb.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/source3/lib/util_tdb.c b/source3/lib/util_tdb.c index 8257232667..bb568bc22e 100644 --- a/source3/lib/util_tdb.c +++ b/source3/lib/util_tdb.c @@ -39,28 +39,6 @@ static void gotalarm_sig(void) gotalarm = 1; } -/*************************************************************** - Make a TDB_DATA and keep the const warning in one place -****************************************************************/ - -TDB_DATA make_tdb_data(const uint8 *dptr, size_t dsize) -{ - TDB_DATA ret; - ret.dptr = CONST_DISCARD(uint8 *, dptr); - ret.dsize = dsize; - return ret; -} - -TDB_DATA string_tdb_data(const char *string) -{ - return make_tdb_data((const uint8 *)string, string ? strlen(string) : 0 ); -} - -TDB_DATA string_term_tdb_data(const char *string) -{ - return make_tdb_data((const uint8 *)string, string ? strlen(string) + 1 : 0); -} - /**************************************************************************** Lock a chain with timeout (in seconds). ****************************************************************************/ @@ -109,17 +87,6 @@ int tdb_chainlock_with_timeout( TDB_CONTEXT *tdb, TDB_DATA key, unsigned int tim return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_WRLCK); } -/**************************************************************************** - Lock a chain by string. Return -1 if timeout or lock failed. -****************************************************************************/ - -int tdb_lock_bystring(TDB_CONTEXT *tdb, const char *keyval) -{ - TDB_DATA key = string_term_tdb_data(keyval); - - return tdb_chainlock(tdb, key); -} - int tdb_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval, int timeout) { @@ -129,17 +96,6 @@ int tdb_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval, } /**************************************************************************** - Unlock a chain by string. -****************************************************************************/ - -void tdb_unlock_bystring(TDB_CONTEXT *tdb, const char *keyval) -{ - TDB_DATA key = string_term_tdb_data(keyval); - - tdb_chainunlock(tdb, key); -} - -/**************************************************************************** Read lock a chain by string. Return -1 if timeout or lock failed. ****************************************************************************/ @@ -150,155 +106,8 @@ int tdb_read_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval, un return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_RDLCK); } -/**************************************************************************** - Read unlock a chain by string. -****************************************************************************/ - -void tdb_read_unlock_bystring(TDB_CONTEXT *tdb, const char *keyval) -{ - TDB_DATA key = string_term_tdb_data(keyval); - - tdb_chainunlock_read(tdb, key); -} - - -/**************************************************************************** - Fetch a int32 value by a arbitrary blob key, return -1 if not found. - Output is int32 in native byte order. -****************************************************************************/ - -int32 tdb_fetch_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key) -{ - TDB_DATA data; - int32 ret; - - data = tdb_fetch(tdb, key); - if (!data.dptr || data.dsize != sizeof(int32)) { - SAFE_FREE(data.dptr); - return -1; - } - - ret = IVAL(data.dptr,0); - SAFE_FREE(data.dptr); - return ret; -} - -/**************************************************************************** - Fetch a int32 value by string key, return -1 if not found. - Output is int32 in native byte order. -****************************************************************************/ - -int32 tdb_fetch_int32(TDB_CONTEXT *tdb, const char *keystr) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_fetch_int32_byblob(tdb, key); -} - -/**************************************************************************** - Store a int32 value by an arbitary blob key, return 0 on success, -1 on failure. - Input is int32 in native byte order. Output in tdb is in little-endian. -****************************************************************************/ - -int tdb_store_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, int32 v) -{ - TDB_DATA data; - int32 v_store; - - SIVAL(&v_store,0,v); - data.dptr = (uint8 *)&v_store; - data.dsize = sizeof(int32); - - return tdb_store(tdb, key, data, TDB_REPLACE); -} - -/**************************************************************************** - Store a int32 value by string key, return 0 on success, -1 on failure. - Input is int32 in native byte order. Output in tdb is in little-endian. -****************************************************************************/ - -int tdb_store_int32(TDB_CONTEXT *tdb, const char *keystr, int32 v) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_store_int32_byblob(tdb, key, v); -} - -/**************************************************************************** - Fetch a uint32 value by a arbitrary blob key, return -1 if not found. - Output is uint32 in native byte order. -****************************************************************************/ - -bool tdb_fetch_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 *value) -{ - TDB_DATA data; - - data = tdb_fetch(tdb, key); - if (!data.dptr || data.dsize != sizeof(uint32)) { - SAFE_FREE(data.dptr); - return False; - } - - *value = IVAL(data.dptr,0); - SAFE_FREE(data.dptr); - return True; -} - -/**************************************************************************** - Fetch a uint32 value by string key, return -1 if not found. - Output is uint32 in native byte order. -****************************************************************************/ - -bool tdb_fetch_uint32(TDB_CONTEXT *tdb, const char *keystr, uint32 *value) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_fetch_uint32_byblob(tdb, key, value); -} - -/**************************************************************************** - Store a uint32 value by an arbitary blob key, return 0 on success, -1 on failure. - Input is uint32 in native byte order. Output in tdb is in little-endian. -****************************************************************************/ - -bool tdb_store_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 value) -{ - TDB_DATA data; - uint32 v_store; - bool ret = True; - - SIVAL(&v_store, 0, value); - data.dptr = (uint8 *)&v_store; - data.dsize = sizeof(uint32); - if (tdb_store(tdb, key, data, TDB_REPLACE) == -1) - ret = False; - return ret; -} - -/**************************************************************************** - Store a uint32 value by string key, return 0 on success, -1 on failure. - Input is uint32 in native byte order. Output in tdb is in little-endian. -****************************************************************************/ - -bool tdb_store_uint32(TDB_CONTEXT *tdb, const char *keystr, uint32 value) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_store_uint32_byblob(tdb, key, value); -} -/**************************************************************************** - Store a buffer by a null terminated string key. Return 0 on success, -1 - on failure. -****************************************************************************/ - -int tdb_store_bystring(TDB_CONTEXT *tdb, const char *keystr, TDB_DATA data, int flags) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_store(tdb, key, data, flags); -} int tdb_trans_store_bystring(TDB_CONTEXT *tdb, const char *keystr, TDB_DATA data, int flags) @@ -309,112 +118,6 @@ int tdb_trans_store_bystring(TDB_CONTEXT *tdb, const char *keystr, } /**************************************************************************** - Fetch a buffer using a null terminated string key. Don't forget to call - free() on the result dptr. -****************************************************************************/ - -TDB_DATA tdb_fetch_bystring(TDB_CONTEXT *tdb, const char *keystr) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_fetch(tdb, key); -} - -/**************************************************************************** - Delete an entry using a null terminated string key. -****************************************************************************/ - -int tdb_delete_bystring(TDB_CONTEXT *tdb, const char *keystr) -{ - TDB_DATA key = string_term_tdb_data(keystr); - - return tdb_delete(tdb, key); -} - -/**************************************************************************** - Atomic integer change. Returns old value. To create, set initial value in *oldval. -****************************************************************************/ - -int32 tdb_change_int32_atomic(TDB_CONTEXT *tdb, const char *keystr, int32 *oldval, int32 change_val) -{ - int32 val; - int32 ret = -1; - - if (tdb_lock_bystring(tdb, keystr) == -1) - return -1; - - if ((val = tdb_fetch_int32(tdb, keystr)) == -1) { - /* The lookup failed */ - if (tdb_error(tdb) != TDB_ERR_NOEXIST) { - /* but not because it didn't exist */ - goto err_out; - } - - /* Start with 'old' value */ - val = *oldval; - - } else { - /* It worked, set return value (oldval) to tdb data */ - *oldval = val; - } - - /* Increment value for storage and return next time */ - val += change_val; - - if (tdb_store_int32(tdb, keystr, val) == -1) - goto err_out; - - ret = 0; - - err_out: - - tdb_unlock_bystring(tdb, keystr); - return ret; -} - -/**************************************************************************** - Atomic unsigned integer change. Returns old value. To create, set initial value in *oldval. -****************************************************************************/ - -bool tdb_change_uint32_atomic(TDB_CONTEXT *tdb, const char *keystr, uint32 *oldval, uint32 change_val) -{ - uint32 val; - bool ret = False; - - if (tdb_lock_bystring(tdb, keystr) == -1) - return False; - - if (!tdb_fetch_uint32(tdb, keystr, &val)) { - /* It failed */ - if (tdb_error(tdb) != TDB_ERR_NOEXIST) { - /* and not because it didn't exist */ - goto err_out; - } - - /* Start with 'old' value */ - val = *oldval; - - } else { - /* it worked, set return value (oldval) to tdb data */ - *oldval = val; - - } - - /* get a new value to store */ - val += change_val; - - if (!tdb_store_uint32(tdb, keystr, val)) - goto err_out; - - ret = True; - - err_out: - - tdb_unlock_bystring(tdb, keystr); - return ret; -} - -/**************************************************************************** Useful pair of routines for packing/unpacking data consisting of integers and strings. ****************************************************************************/ |