public void LoadFromStream(Stream s)
{
_stream?.Dispose();
_stream = null;
_stream = new MemoryStream();
s.CopyTo(_stream);
// stream = s;
_stream.Position = 0;
Header = new CheckPointHeader(_stream);
Accounts = new List <Account>();
WorkSum = 0;
for (uint i = 0; i < Header.EndBlock - Header.StartBlock; i++)
{
try
{
var b = this[i];
WorkSum += b.CompactTarget;
Accounts.AddRange(b.Accounts);
}
catch (Exception e)
{
#if !NETCOREAPP
Log.Error(e.Message, e);
#endif
}
}
#if !NETCOREAPP
Log.Info(WorkSum);
#endif
}
public CheckPoint SaveChunk(uint startBlock, uint endBlock)
{
lock (LoadLock)
{
var list = new List <CheckPointBlock>();
var header = new CheckPointHeader
{
StartBlock = startBlock,
EndBlock = endBlock,
BlockCount = endBlock - startBlock + 1
};
for (var i = startBlock; i <= endBlock; i++)
{
list.Add(this[i]);
}
var ms = new MemoryStream();
header.Offsets = new uint[list.Count + 1];
header.SaveToStream(ms);
long headerSize = ms.Position;
ms.Position = 0;
using (var bw = new BinaryWriter(ms, Encoding.Default, true))
{
uint i = 0;
foreach (var b in list)
{
header.Offsets[i] = (uint)(ms.Position + headerSize);
b.SaveToStream(ms);
i++;
}
}
var memoryStream = new MemoryStream();
header.SaveToStream(memoryStream);
ms.Position = 0;
ms.CopyTo(memoryStream);
memoryStream.Write(header.Hash, 0, header.Hash.Length);
if (_stream != null)
{
_stream.Dispose();
_stream = null;
}
memoryStream.Position = 0;
var checkPoint = new CheckPoint(memoryStream);
ms.Dispose();
memoryStream.Dispose();
GC.Collect();
return(checkPoint);
}
}
public void LoadFromFile(string filename)
{
FileStream fs = File.Open(filename, FileMode.Open, FileAccess.ReadWrite);
_stream?.Dispose();
_stream = null;
_stream = fs;
Accounts.Clear();
Accounts = null;
GC.Collect();
Header = new CheckPointHeader(_stream);
Accounts = new List <Account>();
WorkSum = 0;
for (uint i = 0; i < Header.EndBlock - Header.StartBlock; i++)
{
WorkSum += this[i].CompactTarget;
foreach (Account a in this[i].Accounts)
{
Accounts.Add(a);
// Accounts.AddRange(b.Accounts);
}
}
}
