private void OnClientConnected(IAsyncResult ar)
{
if (IsRunning)
{
PBEServerClient client = null;
try
{
client = new PBEServerClient(_listener.EndAccept(ar), _encryption);
bool isBanned;
lock (_bannedIPs)
{
isBanned = _bannedIPs.Contains(client.IP);
}
if (isBanned)
{
RefuseClient(client, true);
}
else
{
int count;
lock (_connectedClients)
{
count = _connectedClients.Count;
}
if (count >= _maxConnections)
{
RefuseClient(client, false);
}
else
{
lock (_connectedClients)
{
_connectedClients.Add(client);
}
client.IsConnected = true;
ClientConnected?.Invoke(this, client);
BeginReceive(client);
}
}
}
catch (Exception ex)
{
NotifyError(ex);
if (client != null)
{
DisconnectClient(client);
}
}
_listener.BeginAccept(OnClientConnected, _listener);
}
}
public bool DisconnectClient(PBEServerClient client)
{
bool b;
lock (_connectedClients)
{
b = _connectedClients.Remove(client);
}
if (b)
{
client.IsConnected = false;
client.Socket.Shutdown(SocketShutdown.Both);
client.Socket.Dispose();
ClientDisconnected?.Invoke(this, client);
}
return(b);
}
private void RefuseClient(PBEServerClient client, bool isBanned)
{
client.Socket.Shutdown(SocketShutdown.Both);
client.Socket.Dispose();
ClientRefused?.Invoke(this, client.IP, isBanned);
}
private void BeginReceive(PBEServerClient client)
{
byte[] buffer = new byte[2];
client.Buffer = buffer;
client.Socket.BeginReceive(buffer, 0, 2, SocketFlags.None, OnReceiveLength, client);
}
