#pragma warning restore CA1825 // Avoid zero-length array allocations.
public static string DotNetStr(DbRetCode ret)
{
if (ret > DotNetLowError && ret <= (DotNetLowError + dotNetStr.Length))
{
return(dotNetStr[(int)ret - (int)DotNetLowError - 1]);
}
else
{
return(UnknownStr(ret));
}
}
public static void CheckRetCode(DbRetCode ret)
{
if (ret != DbRetCode.SUCCESS)
{
string errStr;
if (ret > MdbLowError && ret <= DbRetCode.LAST_ERRCODE)
{
errStr = DbLib.mdb_strerror(ret);
}
else
{
errStr = DotNetStr(ret);
}
throw new LmdbException(ret, errStr);
}
}
/// <summary>Constructor.</summary>
/// <param name="config">Configuration to use.</param>
public LmdbEnvironment(LmdbEnvironmentConfiguration config = null)
{
// so that we can refer back to the Environment instance
instanceHandle = GCHandle.Alloc(this, GCHandleType.WeakTrackResurrection);
DbRetCode ret = DbLib.mdb_env_create(out IntPtr envHandle);
if (ret == DbRetCode.SUCCESS)
{
var ret2 = DbLib.mdb_env_set_userctx(envHandle, (IntPtr)instanceHandle);
if (ret2 == DbRetCode.SUCCESS)
{
this.env = envHandle;
}
else
{
ret = ret2;
DbLib.mdb_env_close(envHandle);
}
}
ErrorUtil.CheckRetCode(ret);
if (config != null)
{
this.autoReduceMapSizeIn32BitProcess = config.AutoReduceMapSizeIn32BitProcess;
if (config.MapSize.HasValue)
{
this.SetMapSize(config.MapSize.Value);
}
if (config.MaxDatabases.HasValue)
{
this.MaxDatabases = config.MaxDatabases.Value;
}
if (config.MaxReaders.HasValue)
{
this.MaxReaders = config.MaxReaders.Value;
}
}
}
public static string UnknownStr(DbRetCode ret)
{
return($"Unknown LMDB error code: {ret}.");
}
public static string mdb_strerror(DbRetCode error)
{
IntPtr errStr = _mdb_strerror((int)error);
return(Marshal.PtrToStringAnsi(errStr));
}
/// <summary>Constructor.</summary>
/// <param name="errorCode">Native error code.</param>
public LmdbException(DbRetCode errorCode, string message) : base(message)
{
this.errorCode = errorCode;
}
/// <summary>Constructor.</summary>
/// <param name="errorCode">Native error code.</param>
public LmdbException(DbRetCode errorCode)
{
this.errorCode = errorCode;
}
