internal void ConnectToPeer(TorrentManager manager, Peer peer)
{
// Connect to the peer.
var connection = ConnectionFactory.Create(peer.ConnectionUri);
if (connection == null)
{
return;
}
peer.LastConnectionAttempt = DateTime.Now;
var c = new AsyncConnectState(manager, peer, connection);
_pendingConnects.Add(c);
manager.Peers.ConnectingToPeers.Add(peer);
NetworkIO.EnqueueConnect(connection, _endCreateConnectionCallback, c);
}
static void MessageLengthReceived(bool successful, int transferred, object state)
{
var data = (ReceiveMessageState)state;
int messageLength = -1;
if (successful)
{
data.Decryptor.Decrypt(data.Buffer, 0, transferred);
messageLength = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(data.Buffer, 0));
}
if (!successful || messageLength < 0 || messageLength > MaxMessageLength)
{
ClientEngine.BufferManager.FreeBuffer(data.Buffer);
data.Callback(false, null, data.State);
receiveCache.Enqueue(data);
return;
}
if (messageLength == 0)
{
ClientEngine.BufferManager.FreeBuffer(data.Buffer);
data.Callback(true, new KeepAliveMessage(), data.State);
receiveCache.Enqueue(data);
return;
}
var buffer = ClientEngine.BufferManager.GetBuffer(messageLength + transferred);
Buffer.BlockCopy(data.Buffer, 0, buffer, 0, transferred);
ClientEngine.BufferManager.FreeBuffer(data.Buffer);
data.Buffer = buffer;
NetworkIO.EnqueueReceive(data.Connection, buffer, transferred, messageLength, data.RateLimiter, data.PeerMonitor,
data.ManagerMonitor, MessageBodyReceivedCallback, data);
}
