web3-developer 6b7de5730b
Implement missing getter and setters for option types. (#62)
* Update readme.

* Add additional opts getters and setters for ReadOptionsRef and WriteOptionsRef. Updated BackupEngineOptionsRef to use newer c library type.

* Add majority of option type getter and setters.
2024-07-03 23:46:42 +08:00

55 lines
1.8 KiB
Nim

# Nim-RocksDB
# Copyright 2024 Status Research & Development GmbH
# Licensed under either of
#
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * GPL license, version 2.0, ([LICENSE-GPLv2](LICENSE-GPLv2) or https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
#
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
import ../lib/librocksdb
type
TransactionDbOptionsPtr* = ptr rocksdb_transactiondb_options_t
TransactionDbOptionsRef* = ref object
cPtr: TransactionDbOptionsPtr
autoClose*: bool # if true then close will be called when the database is closed
proc createTransactionDbOptions*(autoClose = false): TransactionDbOptionsRef =
TransactionDbOptionsRef(
cPtr: rocksdb_transactiondb_options_create(), autoClose: autoClose
)
proc isClosed*(txDbOpts: TransactionDbOptionsRef): bool {.inline.} =
txDbOpts.cPtr.isNil()
proc cPtr*(txDbOpts: TransactionDbOptionsRef): TransactionDbOptionsPtr =
doAssert not txDbOpts.isClosed()
txDbOpts.cPtr
template setOpt(nname, ntyp, ctyp: untyped) =
proc `nname=`*(txDbOpts: TransactionDbOptionsRef, value: ntyp) =
doAssert not txDbOpts.isClosed()
`rocksdb_transactiondb_options_set nname`(txDbOpts.cPtr, value.ctyp)
setOpt maxNumLocks, int, int64
setOpt numStripes, int, csize_t
setOpt transactionLockTimeout, int, int64
setOpt defaultLockTimeout, int, int64
proc defaultTransactionDbOptions*(
autoClose = false
): TransactionDbOptionsRef {.inline.} =
let txDbOpts = createTransactionDbOptions(autoClose)
# TODO: set prefered defaults
txDbOpts
proc close*(txDbOpts: TransactionDbOptionsRef) =
if not txDbOpts.isClosed():
rocksdb_transactiondb_options_destroy(txDbOpts.cPtr)
txDbOpts.cPtr = nil