private void ProcessException(PeerConnection peer, Messages.MineralMessage message, System.Exception exception)
{
string reason_message = "";
ReasonCode code = ReasonCode.Unknown;
if (exception is P2pException)
{
P2pException.ErrorType type = ((P2pException)exception).Type;
switch (type)
{
case P2pException.ErrorType.BAD_TRX:
code = ReasonCode.BadTx;
break;
case P2pException.ErrorType.BAD_BLOCK:
code = ReasonCode.BadBlock;
break;
case P2pException.ErrorType.NO_SUCH_MESSAGE:
case P2pException.ErrorType.MESSAGE_WITH_WRONG_LENGTH:
case P2pException.ErrorType.BAD_MESSAGE:
code = ReasonCode.BadProtocol;
break;
case P2pException.ErrorType.SYNC_FAILED:
code = ReasonCode.SyncFail;
break;
case P2pException.ErrorType.UNLINK_BLOCK:
code = ReasonCode.Unlinkable;
break;
default:
code = ReasonCode.Unknown;
break;
}
reason_message = string.Format("Message from {0} process failed, {1} \n type: {2}, detail: {3}.",
peer.Address,
message,
type,
exception.Message);
Logger.Error(reason_message);
}
else
{
code = ReasonCode.Unknown;
reason_message = string.Format("Message from {0} process failed, {1}",
peer.Address,
message);
Logger.Error(reason_message);
}
peer.Disconnect(code, reason_message);
}
private static void HandleTransaction(object state)
{
object[] parameter = state as object[];
PeerConnection peer = (PeerConnection)parameter[0];
TransactionMessage message = (TransactionMessage)parameter[1];
if (peer.IsDisconnect)
{
Logger.Warning(
string.Format("Drop tx {0} from {1}, peer is disconnect.",
message.MessageId,
peer.Address));
return;
}
if (Manager.Instance.AdvanceService.GetMessage(new Item(message.MessageId, InventoryType.Trx)) != null)
{
return;
}
try
{
Manager.Instance.NetDelegate.PushTransaction(message.Transaction);
Manager.Instance.AdvanceService.Broadcast(message);
}
catch (P2pException e)
{
string reason = string.Format("Tx {0} from peer {1} process failed. type: {2}, reason: {3}",
message.MessageId.ToString(),
peer.Address.ToString(),
e.Type.ToString(),
e.Message.ToString());
Logger.Warning(reason);
if (e.Type == P2pException.ErrorType.BAD_TRX)
{
peer.Disconnect(ReasonCode.BadTx, reason);
}
}
catch
{
Logger.Error(
string.Format("Tx {0} from peer {1} process failed.",
message.MessageId.ToString(),
peer.Address.ToString()));
}
}
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));
}
}
