private void ReadStoreHeader()
{
//Copy header out of memory map
using (var pointer = AcquireAtOffset(0, _rootOffset))
unsafe
{
_header = *((StoreHeader *)pointer.Pointer);
}
//Check that the magic is correct
if (_header.Magic != StoreHeader.MAGIC)
{
throw new ArgumentException("Incorrect blockstore header magic");
}
}
private void WriteStoreHeader(int pageSize = 16384)
{
StoreHeader h;
using (var a = _file.CreateViewAccessor())
{
h = new StoreHeader(
blockSize: pageSize,
totalSize: a.Capacity
);
}
//Write store header
using (var pointer = AcquireAtOffset(0, _rootOffset))
unsafe
{
*((StoreHeader *)pointer.Pointer) = h;
}
}
