private std::error_code write(IWriteBatch batch, bool sync)
{
rocksdb.WriteOptions writeOptions = new rocksdb.WriteOptions();
writeOptions.sync = sync;
rocksdb.WriteBatch rocksdbBatch = new rocksdb.WriteBatch();
List <Tuple <string, string> > rawData = new List <Tuple <string, string> >(batch.extractRawDataToInsert());
foreach (Tuple <string, string> kvPair in rawData)
{
rocksdbBatch.Put(new rocksdb.Slice(kvPair.Item1), new rocksdb.Slice(kvPair.Item2));
}
List <string> rawKeys = new List <string>(batch.extractRawKeysToRemove());
foreach (string key in rawKeys)
{
rocksdbBatch.Delete(new rocksdb.Slice(key));
}
rocksdb.Status status = db.Write(writeOptions, rocksdbBatch);
if (!status.ok())
{
logger(ERROR) << "Can't write to DB. " << status.ToString();
return(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.INTERNAL_ERROR));
}
else
{
return(std::error_code());
}
}
//C++ TO C# CONVERTER TODO TASK: C# has no equivalent to ' = delete':
// RocksDBWrapper(const RocksDBWrapper&) = delete;
//C++ TO C# CONVERTER TODO TASK: C# has no equivalent to ' = delete':
// RocksDBWrapper(RocksDBWrapper&&) = delete;
//C++ TO C# CONVERTER TODO TASK: C# has no equivalent to ' = delete':
// RocksDBWrapper& operator =(const RocksDBWrapper&) = delete;
//C++ TO C# CONVERTER TODO TASK: C# has no equivalent to ' = delete':
// RocksDBWrapper& operator =(RocksDBWrapper&&) = delete;
public void init(DataBaseConfig config)
{
if (state.load() != State.NOT_INITIALIZED)
{
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.ALREADY_INITIALIZED));
}
string dataDir = getDataDir(config);
logger(INFO) << "Opening DB in " << dataDir;
rocksdb.DB dbPtr;
rocksdb.Options dbOptions = getDBOptions(config);
rocksdb.Status status = rocksdb.DB.Open(dbOptions, dataDir, dbPtr);
if (status.ok())
{
logger(INFO) << "DB opened in " << dataDir;
}
else if (!status.ok() && status.IsInvalidArgument())
{
logger(INFO) << "DB not found in " << dataDir << ". Creating new DB...";
dbOptions.create_if_missing = true;
rocksdb.Status status = rocksdb.DB.Open(dbOptions, dataDir, dbPtr);
if (!status.ok())
{
logger(ERROR) << "DB Error. DB can't be created in " << dataDir << ". Error: " << status.ToString();
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.INTERNAL_ERROR));
}
}
else if (status.IsIOError())
{
logger(ERROR) << "DB Error. DB can't be opened in " << dataDir << ". Error: " << status.ToString();
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.IO_ERROR));
}
else
{
logger(ERROR) << "DB Error. DB can't be opened in " << dataDir << ". Error: " << status.ToString();
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.INTERNAL_ERROR));
}
db.reset(dbPtr);
state.store(State.INITIALIZED);
}
public void destroy(DataBaseConfig config)
{
if (state.load() != State.NOT_INITIALIZED)
{
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.ALREADY_INITIALIZED));
}
string dataDir = getDataDir(config);
logger(WARNING) << "Destroying DB in " << dataDir;
rocksdb.Options dbOptions = getDBOptions(config);
rocksdb.Status status = rocksdb.DestroyDB(dataDir, dbOptions);
if (status.ok())
{
logger(WARNING) << "DB destroyed in " << dataDir;
}
else
{
logger(ERROR) << "DB Error. DB can't be destroyed in " << dataDir << ". Error: " << status.ToString();
throw std::system_error(GlobalMembers.make_error_code(CryptoNote.error.DataBaseErrorCodes.INTERNAL_ERROR));
}
}