private void ListenForData(AtlasNode node)
{
var interupted = false;
while (!interupted)
{
var data = new byte[1024 * 1024 * 50];
try
{
node.Socket.Receive(data);
}
catch (SocketException)
{
var message = $"{node.Name} disconnected";
_logger.LogWarning(message);
Program.LogMessage($"**{message}**").GetAwaiter().GetResult();
_nodes.Remove(node);
return;
}
using (var memoryStream = new MemoryStream(data))
{
var formatter = new BinaryFormatter();
var message = (LogMessage)formatter.Deserialize(memoryStream);
HandleMessage(message, ref node);
}
}
}
private void HandleMessage(LogMessage message, ref AtlasNode node)
{
string textMessage;
switch (message.MessageType)
{
case 0:
if (message.Message != _token)
{
textMessage =
$"{message.Node} tried to register with an invalid token, IP: {(node.Socket.RemoteEndPoint as IPEndPoint)?.Address}";
_nodes.Remove(node);
_logger.LogCritical(textMessage);
Program.LogMessage(textMessage).GetAwaiter().GetResult();
node.Socket.Disconnect(true);
return;
}
textMessage = $"[{message.Node}] [{message.Module}]: {message.Message}";
_logger.LogInformation(textMessage);
node.Name = message.Node;
break;
case 1:
textMessage = $"[{message.Node}] [{message.Module}]: {message.Message}";
_logger.LogInformation(textMessage);
Program.LogMessage(textMessage).GetAwaiter().GetResult();
break;
}
}
public void Listen()
{
var ipAddress = IPAddress.Parse(_ip);
var localEndPoint = new IPEndPoint(ipAddress, _port);
_listener = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_listener.Bind(localEndPoint);
_listener.Listen(100);
_logger.LogInformation($"Listening for nodes on {localEndPoint.Address} {_port}");
while (true)
{
var socket = _listener.Accept();
var node = new AtlasNode(_nodes.Count.ToString(), socket);
_nodes.Add(node);
new Thread(() => ListenForData(node)).Start();
}
}