public void setClientEnabled(Int32 clientID, bool enabled)
{
// Console.WriteLine("ID " + clientID.ToString() + "--" + enabled.ToString());
if (clients.ContainsKey(clientID))
{
Sclient s = clients[clientID];
s.selected = enabled;
clients[clientID] = s;
}
// foreach (var c in clients)
// {
// Console.WriteLine("Id " + c.Key.ToString() + "--" + c.Value.selected.ToString());
// }
}
public MyNetworkInterface()
{
IPv4AddressList = new List <System.Net.IPAddress>();
rnd = new Random((int)DateTime.Now.ToBinary());
clientID = rnd.Next();
refreshIPv4AddressList();
clients = new Dictionary <Int32, Sclient>();
udpClient = new UdpClient();
udpClient.Client.Bind(new System.Net.IPEndPoint(System.Net.IPAddress.Any, udpPort));
var from = new System.Net.IPEndPoint(0, 0);
Task.Run(() =>
{
while (true)
{
int pos = 0;
var recvBuffer = udpClient.Receive(ref from);
if (recvBuffer.Length < magicHeader.Length + 4)
{
continue;
}
if (!recvBuffer.Skip(pos).Take(magicHeader.Length).SequenceEqual(magicHeader))
{
continue;
}
pos += magicHeader.Length;
Int32 id = BitConverter.ToInt32(recvBuffer.Skip(pos).Take(4).ToArray(), 0);
pos += 4;
if (clients.ContainsKey(id))
{
clients[id].set(clientTimeout);
}
if (pos < recvBuffer.Length)
{
//packet with DATA
if (clients.ContainsKey(id) && clients[id].selected)
{
datagram = recvBuffer.Skip(pos).ToArray();
Console.WriteLine("New " + datagram.Length.ToString() + " bytes DATA from " + from.Address.ToString() + ":" + from.Port.ToString());
newDatagram?.Invoke(null, null);
}
}
else
{
//empty packet
if (!clients.ContainsKey(id) && id != clientID)
{
Console.WriteLine("New client " + from.Address.ToString() + ":" + from.Port.ToString());
clients[id] = new Sclient(from.Address, clientTimeout);
newClient?.Invoke(null, null);
}
}
}
});
var timer = new System.Windows.Forms.Timer();
timer.Tick += Timer_Tick;
timer.Interval = 2000;
timer.Start();
}