X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Ftdb1_tdb.c;h=8392e71240f33c70e1747d62b06ad9ba71df4c52;hp=802311504508cca01c040cadc00849983897ba30;hb=3e46dde21261966941469a6c75e1b45cd2d26324;hpb=919937354a331bb964564a11b5a5b80403ff8db9 diff --git a/ccan/tdb2/tdb1_tdb.c b/ccan/tdb2/tdb1_tdb.c index 80231150..8392e712 100644 --- a/ccan/tdb2/tdb1_tdb.c +++ b/ccan/tdb2/tdb1_tdb.c @@ -27,17 +27,17 @@ #include "tdb1_private.h" -TDB1_DATA tdb1_null; +TDB_DATA tdb1_null; /* non-blocking increment of the tdb sequence number if the tdb has been opened using - the TDB1_SEQNUM flag + the TDB_SEQNUM flag */ void tdb1_increment_seqnum_nonblock(struct tdb1_context *tdb) { tdb1_off_t seqnum=0; - if (!(tdb->flags & TDB1_SEQNUM)) { + if (!(tdb->flags & TDB_SEQNUM)) { return; } @@ -51,16 +51,16 @@ void tdb1_increment_seqnum_nonblock(struct tdb1_context *tdb) /* increment the tdb sequence number if the tdb has been opened using - the TDB1_SEQNUM flag + the TDB_SEQNUM flag */ static void tdb1_increment_seqnum(struct tdb1_context *tdb) { - if (!(tdb->flags & TDB1_SEQNUM)) { + if (!(tdb->flags & TDB_SEQNUM)) { return; } if (tdb1_nest_lock(tdb, TDB1_SEQNUM_OFS, F_WRLCK, - TDB1_LOCK_WAIT|TDB1_LOCK_PROBE) != 0) { + TDB_LOCK_WAIT|TDB_LOCK_PROBE) != 0) { return; } @@ -69,14 +69,14 @@ static void tdb1_increment_seqnum(struct tdb1_context *tdb) tdb1_nest_unlock(tdb, TDB1_SEQNUM_OFS, F_WRLCK); } -static int tdb1_key_compare(TDB1_DATA key, TDB1_DATA data, void *private_data) +static int tdb1_key_compare(TDB_DATA key, TDB_DATA data, void *private_data) { return memcmp(data.dptr, key.dptr, data.dsize); } /* Returns 0 on fail. On success, return offset of record, and fills in rec */ -static tdb1_off_t tdb1_find(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash, +static tdb1_off_t tdb1_find(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash, struct tdb1_record *r) { tdb1_off_t rec_ptr; @@ -111,7 +111,7 @@ static tdb1_off_t tdb1_find(struct tdb1_context *tdb, TDB1_DATA key, uint32_t ha } /* As tdb1_find, but if you succeed, keep the lock */ -tdb1_off_t tdb1_find_lock_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash, int locktype, +tdb1_off_t tdb1_find_lock_hash(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash, int locktype, struct tdb1_record *rec) { uint32_t rec_ptr; @@ -123,13 +123,13 @@ tdb1_off_t tdb1_find_lock_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t return rec_ptr; } -static TDB1_DATA _tdb1_fetch(struct tdb1_context *tdb, TDB1_DATA key); +static TDB_DATA _tdb1_fetch(struct tdb1_context *tdb, TDB_DATA key); /* update an entry in place - this only works if the new data size is <= the old data size and the key exists. on failure return -1. */ -static int tdb1_update_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash, TDB1_DATA dbuf) +static int tdb1_update_hash(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash, TDB_DATA dbuf) { struct tdb1_record rec; tdb1_off_t rec_ptr; @@ -143,7 +143,7 @@ static int tdb1_update_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t ha if (rec.key_len == key.dsize && rec.data_len == dbuf.dsize && rec.full_hash == hash) { - TDB1_DATA data = _tdb1_fetch(tdb, key); + TDB_DATA data = _tdb1_fetch(tdb, key); if (data.dsize == dbuf.dsize && memcmp(data.dptr, dbuf.dptr, data.dsize) == 0) { if (data.dptr) { @@ -178,18 +178,18 @@ static int tdb1_update_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t ha /* find an entry in the database given a key */ /* If an entry doesn't exist tdb1_err will be set to * TDB_ERR_NOEXIST. If a key has no data attached - * then the TDB1_DATA will have zero length but + * then the TDB_DATA will have zero length but * a non-zero pointer */ -static TDB1_DATA _tdb1_fetch(struct tdb1_context *tdb, TDB1_DATA key) +static TDB_DATA _tdb1_fetch(struct tdb1_context *tdb, TDB_DATA key) { tdb1_off_t rec_ptr; struct tdb1_record rec; - TDB1_DATA ret; + TDB_DATA ret; uint32_t hash; /* find which hash bucket it is in */ - hash = tdb->hash_fn(&key); + hash = tdb_hash(tdb, key.dptr, key.dsize); if (!(rec_ptr = tdb1_find_lock_hash(tdb,key,hash,F_RDLCK,&rec))) return tdb1_null; @@ -200,9 +200,9 @@ static TDB1_DATA _tdb1_fetch(struct tdb1_context *tdb, TDB1_DATA key) return ret; } -TDB1_DATA tdb1_fetch(struct tdb1_context *tdb, TDB1_DATA key) +TDB_DATA tdb1_fetch(struct tdb1_context *tdb, TDB_DATA key) { - TDB1_DATA ret = _tdb1_fetch(tdb, key); + TDB_DATA ret = _tdb1_fetch(tdb, key); return ret; } @@ -225,8 +225,8 @@ TDB1_DATA tdb1_fetch(struct tdb1_context *tdb, TDB1_DATA key) * Return -1 if the record was not found. */ -int tdb1_parse_record(struct tdb1_context *tdb, TDB1_DATA key, - int (*parser)(TDB1_DATA key, TDB1_DATA data, +int tdb1_parse_record(struct tdb1_context *tdb, TDB_DATA key, + int (*parser)(TDB_DATA key, TDB_DATA data, void *private_data), void *private_data) { @@ -236,7 +236,7 @@ int tdb1_parse_record(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash; /* find which hash bucket it is in */ - hash = tdb->hash_fn(&key); + hash = tdb_hash(tdb, key.dptr, key.dsize); if (!(rec_ptr = tdb1_find_lock_hash(tdb,key,hash,F_RDLCK,&rec))) { /* record not found */ @@ -258,7 +258,7 @@ int tdb1_parse_record(struct tdb1_context *tdb, TDB1_DATA key, this doesn't match the conventions in the rest of this module, but is compatible with gdbm */ -static int tdb1_exists_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash) +static int tdb1_exists_hash(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash) { struct tdb1_record rec; @@ -268,9 +268,9 @@ static int tdb1_exists_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t ha return 1; } -int tdb1_exists(struct tdb1_context *tdb, TDB1_DATA key) +int tdb1_exists(struct tdb1_context *tdb, TDB_DATA key) { - uint32_t hash = tdb->hash_fn(&key); + uint32_t hash = tdb_hash(tdb, key.dptr, key.dsize); int ret; ret = tdb1_exists_hash(tdb, key, hash); @@ -374,7 +374,7 @@ static int tdb1_purge_dead(struct tdb1_context *tdb, uint32_t hash) } /* delete an entry in the database given a key */ -static int tdb1_delete_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t hash) +static int tdb1_delete_hash(struct tdb1_context *tdb, TDB_DATA key, uint32_t hash) { tdb1_off_t rec_ptr; struct tdb1_record rec; @@ -427,9 +427,9 @@ static int tdb1_delete_hash(struct tdb1_context *tdb, TDB1_DATA key, uint32_t ha return ret; } -int tdb1_delete(struct tdb1_context *tdb, TDB1_DATA key) +int tdb1_delete(struct tdb1_context *tdb, TDB_DATA key) { - uint32_t hash = tdb->hash_fn(&key); + uint32_t hash = tdb_hash(tdb, key.dptr, key.dsize); int ret; ret = tdb1_delete_hash(tdb, key, hash); @@ -465,8 +465,8 @@ static tdb1_off_t tdb1_find_dead(struct tdb1_context *tdb, uint32_t hash, return 0; } -static int _tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, - TDB1_DATA dbuf, int flag, uint32_t hash) +static int _tdb1_store(struct tdb1_context *tdb, TDB_DATA key, + TDB_DATA dbuf, int flag, uint32_t hash) { struct tdb1_record rec; tdb1_off_t rec_ptr; @@ -474,7 +474,7 @@ static int _tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, int ret = -1; /* check for it existing, on insert. */ - if (flag == TDB1_INSERT) { + if (flag == TDB_INSERT) { if (tdb1_exists_hash(tdb, key, hash)) { tdb->last_error = TDB_ERR_EXISTS; goto fail; @@ -485,7 +485,7 @@ static int _tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, goto done; } if (tdb->last_error == TDB_ERR_NOEXIST && - flag == TDB1_MODIFY) { + flag == TDB_MODIFY) { /* if the record doesn't exist and we are in TDB1_MODIFY mode then we should fail the store */ goto fail; @@ -497,7 +497,7 @@ static int _tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, /* delete any existing record - if it doesn't exist we don't care. Doing this first reduces fragmentation, and avoids coalescing with `allocated' block before it's updated. */ - if (flag != TDB1_INSERT) + if (flag != TDB_INSERT) tdb1_delete_hash(tdb, key, hash); /* Copy key+value *before* allocating free space in case malloc @@ -596,7 +596,7 @@ static int _tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, return 0 on success, -1 on failure */ -int tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA dbuf, int flag) +int tdb1_store(struct tdb1_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag) { uint32_t hash; int ret; @@ -607,7 +607,7 @@ int tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA dbuf, int flag } /* find which hash bucket it is in */ - hash = tdb->hash_fn(&key); + hash = tdb_hash(tdb, key.dptr, key.dsize); if (tdb1_lock(tdb, TDB1_BUCKET(hash), F_WRLCK) == -1) return -1; @@ -617,14 +617,14 @@ int tdb1_store(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA dbuf, int flag } /* Append to an entry. Create if not exist. */ -int tdb1_append(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA new_dbuf) +int tdb1_append(struct tdb1_context *tdb, TDB_DATA key, TDB_DATA new_dbuf) { uint32_t hash; - TDB1_DATA dbuf; + TDB_DATA dbuf; int ret = -1; /* find which hash bucket it is in */ - hash = tdb->hash_fn(&key); + hash = tdb_hash(tdb, key.dptr, key.dsize); if (tdb1_lock(tdb, TDB1_BUCKET(hash), F_WRLCK) == -1) return -1; @@ -698,7 +698,7 @@ static int tdb1_free_region(struct tdb1_context *tdb, tdb1_off_t offset, ssize_t /* the region is not worth adding */ return 0; } - if (length + offset > tdb->map_size) { + if (length + offset > tdb->file->map_size) { tdb->last_error = tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR, "tdb1_free_region: adding region beyond" " end of file"); @@ -774,7 +774,7 @@ int tdb1_wipe_all(struct tdb1_context *tdb) for the recovery area */ if (recovery_size == 0) { /* the simple case - the whole file can be used as a freelist */ - data_len = (tdb->map_size - TDB1_DATA_START(tdb->header.hash_size)); + data_len = (tdb->file->map_size - TDB1_DATA_START(tdb->header.hash_size)); if (tdb1_free_region(tdb, TDB1_DATA_START(tdb->header.hash_size), data_len) != 0) { goto failed; } @@ -792,7 +792,7 @@ int tdb1_wipe_all(struct tdb1_context *tdb) goto failed; } /* and the 2nd free list entry after the recovery area - if any */ - data_len = tdb->map_size - (recovery_head+recovery_size); + data_len = tdb->file->map_size - (recovery_head+recovery_size); if (tdb1_free_region(tdb, recovery_head+recovery_size, data_len) != 0) { goto failed; } @@ -819,10 +819,10 @@ struct traverse_state { /* traverse function for repacking */ -static int repack_traverse(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA data, void *private_data) +static int repack_traverse(struct tdb1_context *tdb, TDB_DATA key, TDB_DATA data, void *private_data) { struct traverse_state *state = (struct traverse_state *)private_data; - if (tdb1_store(state->dest_db, key, data, TDB1_INSERT) != 0) { + if (tdb1_store(state->dest_db, key, data, TDB_INSERT) != 0) { state->error = state->dest_db->last_error; return -1; } @@ -843,7 +843,7 @@ int tdb1_repack(struct tdb1_context *tdb) return -1; } - tmp_db = tdb1_open("tmpdb", tdb1_hash_size(tdb), TDB1_INTERNAL, O_RDWR|O_CREAT, 0); + tmp_db = tdb1_open("tmpdb", tdb1_hash_size(tdb), TDB_INTERNAL, O_RDWR|O_CREAT, 0); if (tmp_db == NULL) { tdb->last_error = tdb_logerr(tdb, TDB_ERR_OOM, TDB_LOG_ERROR, __location__ " Failed to create tmp_db");