public MarshalMultipleValueStructure(byte[] key, byte[][] values)
{
if (values == null)
throw new ArgumentNullException(nameof(values));
_size = GetSize(values);
_count = GetCount(values);
_flattened = values.SelectMany(x => x).ToArray();
_valuesHandle = GCHandle.Alloc(_flattened, GCHandleType.Pinned);
_key = key;
_keyHandle = GCHandle.Alloc(_key, GCHandleType.Pinned);
Values = new[]
{
new ValueStructure
{
size = new IntPtr(_size),
data = _valuesHandle.AddrOfPinnedObject()
},
new ValueStructure
{
size = new IntPtr(_count)
}
};
Key = new ValueStructure
{
size = new IntPtr(_key.Length),
data = _keyHandle.AddrOfPinnedObject()
};
}
public MarshalValueStructure(byte[] key)
{
if (key == null)
throw new ArgumentNullException(nameof(key));
_key = key;
_keyHandle = GCHandle.Alloc(_key, GCHandleType.Pinned);
Key = new ValueStructure
{
size = new IntPtr(_key.Length),
data = _keyHandle.AddrOfPinnedObject()
};
}
public MarshalValueStructure(byte[] key, byte[] value) : this(key)
{
if (value == null)
throw new ArgumentNullException(nameof(value));
_value = value;
_valueHandle = GCHandle.Alloc(_value, GCHandleType.Pinned);
Value = new ValueStructure
{
size = new IntPtr(_value.Length),
data = _valueHandle.AddrOfPinnedObject()
};
}
public static unsafe int mdb_get(IntPtr txn, uint dbi, ReadOnlySpan <byte> key, out Span <byte> data)
{
fixed(byte *addKey = &key.GetPinnableReference())
{
var keyVs = new ValueStructure
{
size = new IntPtr(key.Length),
data = new IntPtr(addKey),
};
ValueStructure value;
var result = checkRead(LmdbMethods.mdb_get(txn, dbi, ref keyVs, out value));
if (result == MDB_NOTFOUND)
{
data = Span <byte> .Empty;
return(result);
}
data = new Span <byte>(value.data.ToPointer(), value.size.ToInt32());
return(result);
}
}
int INativeLibraryFacade.mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ValueStructure[] data, CursorPutOptions flags)
{
return FallbackLibraryFacade.mdb_cursor_put(cursor, ref key, data, flags);
}
int INativeLibraryFacade.mdb_put(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags)
{
return FallbackLibraryFacade.mdb_put(txn, dbi, ref key, ref data, flags);
}
private static extern int mdb_put(IntPtr txn, UInt32 dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags);
private static extern int mdb_cursor_get(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorOperation op);
private static extern int mdb_get(IntPtr txn, UInt32 dbi, ref ValueStructure key, out ValueStructure data);
public static extern int mdb_cursor_get(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorOperation op);
int INativeLibraryFacade.mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data)
{
return Native64BitLibraryFacade.mdb_del(txn, dbi, ref key, ref data);
}
int INativeLibraryFacade.mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, PutOptions flags)
{
return(FallbackLibraryFacade.mdb_cursor_put(cursor, ref key, ref data, flags));
}
private static extern int mdb_del(IntPtr txn, UInt32 dbi, ref ValueStructure key, IntPtr data);
int INativeLibraryFacade.mdb_cursor_get(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorOperation op)
{
return(FallbackLibraryFacade.mdb_cursor_get(cursor, ref key, ref data, op));
}
private static extern int mdb_put(IntPtr txn, UInt32 dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags);
int INativeLibraryFacade.mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, IntPtr data)
{
return(FallbackLibraryFacade.mdb_del(txn, dbi, ref key, data));
}
private static extern int mdb_get(IntPtr txn, UInt32 dbi, ref ValueStructure key, out ValueStructure data);
int INativeLibraryFacade.mdb_put(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags)
{
return(FallbackLibraryFacade.mdb_put(txn, dbi, ref key, ref data, flags));
}
public static int mdb_cursor_get(IntPtr cursor, byte[] key, out ValueStructure keyStructure, out ValueStructure valueStructure, CursorOperation op)
{
valueStructure = default(ValueStructure);
using (var marshal = new MarshalValueStructure(key))
{
keyStructure = marshal.Key;
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref keyStructure, ref valueStructure, op)));
}
}
private static extern int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, PutOptions flags);
int INativeLibraryFacade.mdb_get(IntPtr txn, uint dbi, ref ValueStructure key, out ValueStructure data)
{
return(FallbackLibraryFacade.mdb_get(txn, dbi, ref key, out data));
}
public static int mdb_cursor_get_multiple(IntPtr cursor, ref ValueStructure key, ref ValueStructure value, CursorOperation op)
{
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op)));
}
public static extern int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ref ValueStructure value, CursorPutOptions flags);
public static int mdb_cursor_get(IntPtr cursor, byte[] key, out ValueStructure keyStructure, out ValueStructure valueStructure, CursorOperation op)
{
valueStructure = default(ValueStructure);
using (var marshal = new MarshalValueStructure(key))
{
keyStructure = marshal.Key;
return checkRead(LmdbMethods.mdb_cursor_get(cursor, ref keyStructure, ref valueStructure, op));
}
}
int INativeLibraryFacade.mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorPutOptions flags)
{
return Native64BitLibraryFacade.mdb_cursor_put(cursor, ref key, ref data, flags);
}
public static int mdb_cursor_get(IntPtr cursor, out ValueStructure key, out ValueStructure value, CursorOperation op)
{
key = value = default(ValueStructure);
return checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op));
}
private static extern int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ValueStructure[] data, CursorPutOptions flags);
public static int mdb_cursor_get(IntPtr cursor, out byte[] key, out byte[] value, ref ValueStructure keyStructure, ref ValueStructure valueStructure, CursorOperation op)
{
key = value = null;
var result = checkRead(LmdbMethods.mdb_cursor_get(cursor, ref keyStructure, ref valueStructure, op));
if (result == 0)
{
key = keyStructure.GetBytes();
value = valueStructure.GetBytes();
}
return result;
}
int INativeLibraryFacade.mdb_get(IntPtr txn, uint dbi, ref ValueStructure key, out ValueStructure data)
{
return FallbackLibraryFacade.mdb_get(txn, dbi, ref key, out data);
}
public static int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ValueStructure[] data, CursorPutOptions flags)
{
return check(LmdbMethods.Overloads.mdb_cursor_put(cursor, ref key, data, flags));
}
int INativeLibraryFacade.mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, IntPtr data)
{
return FallbackLibraryFacade.mdb_del(txn, dbi, ref key, data);
}
public static int mdb_cursor_get(IntPtr cursor, out byte[] key, out byte[] value, ref ValueStructure keyStructure, ref ValueStructure valueStructure, CursorOperation op)
{
key = value = null;
var result = checkRead(LmdbMethods.mdb_cursor_get(cursor, ref keyStructure, ref valueStructure, op));
if (result == 0)
{
key = keyStructure.GetBytes();
value = valueStructure.GetBytes();
}
return(result);
}
int INativeLibraryFacade.mdb_cursor_get(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorOperation op)
{
return FallbackLibraryFacade.mdb_cursor_get(cursor, ref key, ref data, op);
}
public static int mdb_cursor_get_multiple(IntPtr cursor, ref ValueStructure key, ref ValueStructure value, CursorOperation op)
{
return checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op));
}
private static extern int mdb_del(IntPtr txn, UInt32 dbi, ref ValueStructure key, IntPtr data);
public static extern int mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data);
public static int mdb_cursor_get(IntPtr cursor, out ValueStructure key, out ValueStructure value, CursorOperation op)
{
key = value = default(ValueStructure);
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op)));
}
int INativeLibraryFacade.mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data)
{
return(Native64BitLibraryFacade.mdb_del(txn, dbi, ref key, ref data));
}
public static int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ValueStructure[] data, CursorPutOptions flags)
{
return(check(LmdbMethods.mdb_cursor_put(cursor, ref key, data, flags)));
}
public static extern int mdb_put(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags);
