private void OnDataReceived(IAsyncResult ar)
{
IPEndPoint mEndPoint = new IPEndPoint(IPAddress.Any, mPort);
byte[] request = mListener.EndReceive(ar, ref mEndPoint);
string mRequest = Encoding.UTF8.GetString(request);
JsonObject incoming = JsonObject.Parse(mRequest);
if (incoming.Get("context").Contains("discovery"))
{
List <string> addresses = NetworkTools.GetPrivateAddressList();
IPAddress clientAddress = IPAddress.Parse(incoming.Get("address"));
string interfaceAddress = String.Empty;
foreach (string address in addresses)
{
IPAddress ifAddress = IPAddress.Parse(address);
IPAddress subnetMask = NetworkTools.GetSubnetMask(address);
IPAddress firstNetwork = NetworkTools.GetNetworkAddress(ifAddress, subnetMask);
IPAddress secondNetwork = NetworkTools.GetNetworkAddress(clientAddress, subnetMask);
if (!firstNetwork.Equals(secondNetwork))
{
continue;
}
interfaceAddress = ifAddress.ToString();
break;
}
Dictionary <string, object> notify = new Dictionary <string, object>();
notify.Add("context", "notify");
notify.Add("address", interfaceAddress);
notify.Add("name", Environment.GetEnvironmentVariable("COMPUTERNAME"));
notify.Add("port", UserSettings.Instance.ListeningPort);
byte[] response = Encoding.UTF8.GetBytes(JsonSerializer.SerializeToString(notify));
mListener.Send(response, response.Length, mEndPoint);
}
mListener.BeginReceive(OnDataReceived, null);
}