void ParseTrackers()
{
string[] addresses = VotingsUser.Trackers.Split('\n');
foreach (var line in addresses)
{
var parts = line.Split(':');
IPAddress addr = new IPAddress(0);
/*int port = 0;*/
if (parts.Length >= 1 && IPAddress.TryParse(parts[0], out addr) /*&& int.TryParse(parts[1], out port)*/)
{
EndPoint endPoint = new IPEndPoint(addr, CommonHelpers.TrackerPort);
Tracker tracker = new Tracker(endPoint, Trackers);
//перенаправляем события трекера вне
tracker.OnRequestBlocksMessage += (s, e) =>
{
OnRequestBlocksMessage?.Invoke(s, e);
};
tracker.OnRequestTransactionsMessage += (s, e) =>
{
OnRequestTransactionsMessage?.Invoke(s, e);
};
tracker.OnBlocksMessage += (s, e) =>
{
OnBlocksMessage?.Invoke(s, e);
};
tracker.OnTransactionsMessage += (s, e) =>
{
OnTransactionsMessage?.Invoke(s, e);
};
//получение пиров
tracker.OnPeersMessageFromPeer += OnPeersMessage;
tracker.OnPeersMessageFromTracker += OnPeersMessage;
//коннект через трекер
tracker.OnConnectToPeerWithTrackerMessage += OnConnectToPeerWithTrackerMessage;
Trackers.Add(tracker);
}
}
}
private void AddPeer(EndPoint address, Tracker tracker = null, bool withTracker = false)
{
if (!(Peers.Any(peer => peer.Address.Equals(address))) &&
!(address.Equals(CommonHelpers.GetLocalEndPoint(CommonHelpers.PeerPort, true))))
{
var peer = new Peer(address, Peers, tracker);
Peers.Add(peer);
//перенаправляем события пира
peer.OnRequestBlocksMessage += (s, e) =>
{
OnRequestBlocksMessage?.Invoke(s, e);
};
peer.OnRequestTransactionsMessage += (s, e) =>
{
OnRequestTransactionsMessage?.Invoke(s, e);
};
peer.OnBlocksMessage += (s, e) =>
{
OnBlocksMessage?.Invoke(s, e);
};
peer.OnTransactionsMessage += (s, e) =>
{
OnTransactionsMessage?.Invoke(s, e);
};
peer.OnPeersMessage += (s, e) => OnPeersMessage(s, e);
peer.Connect(withTracker);
//вызов события подключения пира
Task.Run(() =>
{
System.Threading.Thread.Sleep(CommonHelpers.MessagesInterval * 5);
OnPeerConnected?.Invoke(this, new MessageEventArgs(new Message(), peer.Hash, peer.Address));
});
}
}
private void OnToPeerMessage(PacketHeader packetHeader, Connection connection, ToPeerMessage incomingObject)
{
NetworkComms.Logger.Warn("Received message: " + incomingObject.Message.Type.ToString());
if (incomingObject.RecieverAddress.Equals(CommonHelpers.GetLocalEndPoint(CommonHelpers.PeerPort, true)))
{
var eventArgs = new MessageEventArgs(incomingObject.Message, null, incomingObject.SenderAddress);
if (incomingObject.Message is PeerHashMessage)
{
OnPeerHashMessage?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is RequestPeersMessage)
{
OnRequestPeersMessage?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is PeersMessage)
{
OnPeersMessageFromPeer?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is RequestBlocksMessage)
{
OnRequestBlocksMessage?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is RequestTransactionsMessage)
{
OnRequestTransactionsMessage?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is BlocksMessage)
{
OnBlocksMessage?.Invoke(this, eventArgs);
}
else if (incomingObject.Message is TransactionsMessage)
{
OnTransactionsMessage?.Invoke(this, eventArgs);
}
}
}
public void Connect(bool withTracker = false)
{
if (Status == PeerStatus.NoHashRecieved)
{
RequestPeerHash();
return;
}
else if (Status == PeerStatus.Connected)
{
return;
}
//попытка подключения сразу через трекер (используется если поступил запрос от трекера)
else if (withTracker || !VotingsUser.PeerDiscovery)
{
ConnectWithTracker();
}
else
{
//пытаемся подключиться напрямую
try
{
ConnectionInfo connInfo = new ConnectionInfo(Address);
TCPConnection newTCPConn = TCPConnection.GetConnection(connInfo);
ConnectionMode = ConnectionMode.Direct;
Status = PeerStatus.NoHashRecieved;
Connection = newTCPConn;
//обработчики приходящих сообщений внутри пира
//Connection.AppendShutdownHandler((c) => DisconnectDirect(false));
if (!Connection.IncomingPacketHandlerExists(typeof(PeerDisconnectMessage).Name))
{
Connection.AppendIncomingPacketHandler <PeerDisconnectMessage>(typeof(PeerDisconnectMessage).Name,
(p, c, m) => DisconnectAny(false));
}
if (!Connection.IncomingPacketHandlerExists(typeof(PeerHashMessage).Name))
{
Connection.AppendIncomingPacketHandler <PeerHashMessage>(typeof(PeerHashMessage).Name,
(p, c, m) => OnPeerHashMessageDirect(m));
}
if (!Connection.IncomingPacketHandlerExists(typeof(RequestPeersMessage).Name))
{
Connection.AppendIncomingPacketHandler <RequestPeersMessage>(typeof(RequestPeersMessage).Name,
(p, c, m) => OnRequestPeersMessageDirect(m));
}
//вызов внешних событий
if (!Connection.IncomingPacketHandlerExists(typeof(RequestBlocksMessage).Name))
{
Connection.AppendIncomingPacketHandler <RequestBlocksMessage>(typeof(RequestBlocksMessage).Name,
(p, c, m) =>
{
OnRequestBlocksMessage?.Invoke(this, new MessageEventArgs(m, Hash, Address));
});
}
if (!Connection.IncomingPacketHandlerExists(typeof(RequestTransactionsMessage).Name))
{
Connection.AppendIncomingPacketHandler <RequestTransactionsMessage>(typeof(RequestTransactionsMessage).Name,
(p, c, m) =>
{
OnRequestTransactionsMessage?.Invoke(this, new MessageEventArgs(m, Hash, Address));
});
}
if (!Connection.IncomingPacketHandlerExists(typeof(BlocksMessage).Name))
{
Connection.AppendIncomingPacketHandler <BlocksMessage>(typeof(BlocksMessage).Name,
(p, c, m) =>
{
OnBlocksMessage?.Invoke(this, new MessageEventArgs(m, Hash, Address));
});
}
if (!Connection.IncomingPacketHandlerExists(typeof(TransactionsMessage).Name))
{
Connection.AppendIncomingPacketHandler <TransactionsMessage>(typeof(TransactionsMessage).Name,
(p, c, m) =>
{
OnTransactionsMessage?.Invoke(this, new MessageEventArgs(m, Hash, Address));
});
}
if (!Connection.IncomingPacketHandlerExists(typeof(PeersMessage).Name))
{
Connection.AppendIncomingPacketHandler <PeersMessage>(typeof(PeersMessage).Name,
(p, c, m) =>
{
OnPeersMessage?.Invoke(this, new MessageEventArgs(m, Hash, Address));
});
}
Thread.Sleep(CommonHelpers.MessagesInterval);
RequestPeerHash();
}
catch
{
Connection = null;
//если трекер не задан, то ошибка
if (tracker == null)
{
ErrorsCount++;
Status = PeerStatus.Disconnected;
}
//пытаемся подключиться через трекер
else
{
ConnectWithTracker();
}
}
}
//если более трех ошибок подключения, то удаляем пир из списка
if (ErrorsCount >= 3 && Status == PeerStatus.Disconnected)
{
DisconnectAny();
}
}
