public static void ProcessBytes(byte[] inputData, IPEndPoint endpoint, Dictionary <int, Action <byte[], Guid, IPEndPoint> > callbacks)
{
if (inputData.Length >= 20)
{
if (inputData[4] == 33 && inputData[5] == 18 && inputData[6] == 164 && inputData[7] == 66)
{
UdpStun.ProcessStun(inputData);
}
}
for (int i = 0; i < magicBytes.Length; i++)
{
if (magicBytes[i] != inputData[i])
{
return;
}
}
lock (tempGuidBytes)
{
int bytesToProcess = inputData.Length - 4;
if (bytesToProcess < 16)
{
return;
}
bytesToProcess -= 16;
Array.Copy(inputData, 4, tempGuidBytes, 0, 16);
Guid recvGuid = new Guid(tempGuidBytes);
if (bytesToProcess < 4)
{
return;
}
Array.Copy(inputData, 20, tempType, 0, 4);
FlipEndian(ref tempType);
int dataType = BitConverter.ToInt32(tempType, 0);
//Console.WriteLine("Processed " + inputData.Length + " type: " + dataType);
if (callbacks.ContainsKey(dataType))
{
callbacks[dataType](inputData, recvGuid, endpoint);
}
}
}
public void Run()
{
try
{
clientSocketv4 = new UdpClient(0, AddressFamily.InterNetwork);
}
catch (Exception e)
{
DebugLog("Error setting up v4 socket: " + e);
clientSocketv4 = null;
}
try
{
clientSocketv6 = new UdpClient(0, AddressFamily.InterNetworkV6);
}
catch (Exception e)
{
DebugLog("Error setting up v6 socket: " + e);
clientSocketv6 = null;
}
if (clientSocketv4 != null)
{
clientSocketv4.BeginReceive(HandleReceive, clientSocketv4);
}
if (clientSocketv6 != null)
{
clientSocketv6.BeginReceive(HandleReceive, clientSocketv6);
}
if (clientSocketv4 != null)
{
int v4portNumber = ((IPEndPoint)clientSocketv4.Client.LocalEndPoint).Port;
DebugLog("Listening on port v4:" + v4portNumber);
foreach (IPAddress addr in myAddresses)
{
if (UdpMeshCommon.IsIPv4(addr))
{
me.AddRemoteEndpoint(new IPEndPoint(addr, v4portNumber));
}
}
}
if (clientSocketv6 != null)
{
int v6portNumber = ((IPEndPoint)clientSocketv6.Client.LocalEndPoint).Port;
DebugLog("Listening on port v6:" + v6portNumber);
foreach (IPAddress addr in myAddresses)
{
if (UdpMeshCommon.IsIPv6(addr))
{
me.AddRemoteEndpoint(new IPEndPoint(addr, v6portNumber));
}
}
}
while (!shutdown && !error && clientSocketv4 != null && clientSocketv6 != null)
{
//Restun every 5 minutes
if ((DateTime.UtcNow.Ticks - receivedStun) > (TimeSpan.TicksPerMinute * 5))
{
if (clientSocketv4 != null)
{
UdpStun.RequestRemoteIPv4(clientSocketv4);
UdpStun.RequestRemoteIPv6(clientSocketv6);
}
}
SendServerInfo();
SendClientsHello();
System.Threading.Thread.Sleep(10000);
}
Shutdown();
}