private static void ReceiveMessageBase(ReceiveMessageState data)
{
var buffer = new byte[4];
data.Buffer = buffer;
NetworkIo.Receive(data.Socket, data.Buffer, 0, 4, data, EndReceiveLengthCallback);
}
private static void HandshakeMessageBase(ReceiveMessageState data)
{
var buffer = new byte[HandshakeMessage.Length];
data.Buffer = buffer;
NetworkIo.Receive(data.Socket, data.Buffer, 0, buffer.Length, data, EndReceiveHandshakeCallback);
}
protected virtual void ConnectPeer(IPEndPoint ep)
{
if (Stopping)
{
return;
}
var peerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
NetworkIo.Connect(peerSocket, ep, peerSocket, PeerConnected);
}
private static void EndReceiveLength(bool success, int read, object state)
{
var data = (ReceiveMessageState)state;
try
{
if (success)
{
var messageLength = IPAddress.HostToNetworkOrder(BitConverter.ToInt32(data.Buffer, 0));
if (messageLength > MaxMessageLength)
{
data.Callback(false, null, data.State);
ReceiveCache.Put(data);
return;
}
if (messageLength == 0)
{
data.Callback(true, new KeepAliveMessage(), data.State);
ReceiveCache.Put(data);
return;
}
var newBuffer = new byte[read + messageLength];
Buffer.BlockCopy(newBuffer, 0, data.Buffer, 0, read);
data.Buffer = newBuffer;
NetworkIo.Receive(data.Socket, data.Buffer, read, messageLength, data, EndReceiveCallback);
}
else
{
data.Callback(false, null, data.State);
ReceiveCache.Put(data);
}
}
catch (Exception e)
{
data.Callback(false, null, data.State);
ReceiveCache.Put(data);
Debug.WriteLine(e, "MessageIO.EndReceiveLength");
}
}
private static void SendMessageBase(SendMessageState data)
{
NetworkIo.Send(data.Socket, data.Buffer, data.Offset, data.Count, data, EndSendCallback);
}