private void SendPiece(PeerConnection peer, BlockRequest request)
{
long dataOffset = application.Metainfo.PieceSize * request.PieceIndex + request.Offset;
byte[] data = application.DataHandler.ReadBlockData(dataOffset, request.Length);
peer.SendMessage(new PieceMessage(request.ToBlock(data)));
}
public void ProcessMessage(PeerConnection peer, Messages.MineralMessage message)
{
SyncBlockChainMessage sync_message = (SyncBlockChainMessage)message;
Check(peer, sync_message);
long remain_num = 0;
List <BlockId> ids = GetLostBlockIds(sync_message.Ids);
if (ids.Count == 1)
{
peer.IsNeedSyncUs = false;
}
else
{
peer.IsNeedSyncUs = true;
remain_num = Manager.Instance.NetDelegate.HeadBlockId.Num - ids.Last().Num;
}
peer.LastSyncBlockId = ids.Last();
peer.RemainNum = remain_num;
peer.SendMessage(new ChainInventoryMessage(ids, remain_num));
}
public void SyncNext(PeerConnection peer)
{
try
{
if (!peer.SyncChainRequest.Equals(default(KeyValuePair <Deque <BlockId>, long>)))
{
Logger.Warning(
string.Format("Peer {0} is in sync.",
peer.Node.Host));
return;
}
List <BlockId> chain_summary = GetBlockChainSummary(peer);
peer.SyncChainRequest = new KeyValuePair <Deque <BlockId>, long>(new Deque <BlockId>(chain_summary), Helper.CurrentTimeMillis());
peer.SendMessage(new SyncBlockChainMessage(chain_summary));
}
catch (System.Exception e)
{
Logger.Error(
string.Format("Peer {0} sync failed", peer.Address, e));
peer.Disconnect(Protocol.ReasonCode.SyncFail, e.Message);
}
}
public void ProcessMessage(PeerConnection peer, Messages.MineralMessage message)
{
FetchInventoryDataMessage fetch_message = (FetchInventoryDataMessage)message;
Check(peer, fetch_message);
InventoryType type = fetch_message.InventoryType;
List <Transaction> transactions = new List <Transaction>();
int size = 0;
foreach (SHA256Hash hash in fetch_message.GetHashList())
{
Item item = new Item(hash, type);
Message msg = Manager.Instance.AdvanceService.GetMessage(item);
if (msg == null)
{
try
{
msg = Manager.Instance.NetDelegate.GetData(hash, type);
}
catch (System.Exception e)
{
Logger.Error(
string.Format("Fetch item {0} failed. reason: {1}",
item,
hash,
e.Message));
peer.Disconnect(ReasonCode.FetchFail, e.Message);
return;
}
}
if (type == InventoryType.Block)
{
BlockId block_id = ((BlockMessage)msg).Block.Id;
if (peer.BlockBothHave.Num < block_id.Num)
{
peer.BlockBothHave = block_id;
}
peer.SendMessage(msg);
}
else
{
transactions.Add(((TransactionMessage)msg).Transaction.Instance);
size += ((TransactionMessage)msg).Transaction.Instance.CalculateSize();
if (size > MAX_SIZE)
{
peer.SendMessage(new TransactionsMessage(transactions));
transactions = new List <Transaction>();
size = 0;
}
}
}
if (transactions.Count > 0)
{
peer.SendMessage(new TransactionsMessage(transactions));
}
}