protected override async void ReadAsync()
{
int milliseconds = 0;
int i = 0;
while (true)
{
milliseconds = 0;
try
{
while (true)
{
for (i = i; i < Players.Count; i++)
{
// TODO: Cache these objects to save on garbage collection
DataReader reader = new DataReader(((StreamSocket)Players[i].SocketEndpoint).InputStream);
if (reader.UnconsumedBufferLength > 0)
{
byte[] bytes = null;
uint messageSize = await reader.LoadAsync(sizeof(uint));
if (messageSize != sizeof(uint))
{
Disconnect();
// socket was closed
return;
}
bytes = new byte[messageSize];
reader.ReadBytes(bytes);
messageSize = BitConverter.ToUInt32(bytes, 0);
await reader.LoadAsync(messageSize);
bytes = new byte[messageSize];
// TODO: This may read the first 4 bytes again for the size, make sure it doesn't
reader.ReadBytes(bytes);
readBuffer.Clone(bytes);
NetworkingStream stream = new NetworkingStream().Consume(this, Players[i], readBuffer);
DataRead(Players[i], stream);
// Write what was read to all the clients
Write(new NetworkingStream(stream.ProtocolType).Prepare(this, stream.identifierType, stream.NetworkedBehavior.NetworkedId, stream.Bytes));
}
}
i = 0;
}
}
catch (Exception e)
{
ClientDisconnected(i);
//Networking.Error(e.Message);
}
await Task.Delay(ThreadSpeed);
}
}
/// <summary>
/// This method is used on the client to attempt to connect to the server through the NAT hole punch server
/// </summary>
/// <param name="socket">This is the socket that is being used for the communication with the server</param>
/// <param name="port">This is the port number that this client is bound to</param>
/// <param name="requestHost">This is the host address of the server that this client is trying to connect to</param>
/// <param name="requestPort">This is the host port of the server that this client is trying to connect to</param>
/// <param name="proxyHost">This is the NAT hole punch server host address</param>
/// <param name="proxyPort">This is the NAT hole punch server port number</param>
/// <returns></returns>
public static bool RequestNat(NetWorker socket, ushort port, string requestHost, ushort requestPort, string proxyHost, ushort proxyPort = PORT)
{
#if !NetFX_CORE && !UNITY_WEBGL
IPEndPoint endpoint = new IPEndPoint(IPAddress.Parse(proxyHost), proxyPort);
List <byte> data = new List <byte>(new byte[] { 4, 4, 2 });
data.AddRange(BitConverter.GetBytes(port));
data.AddRange(BitConverter.GetBytes(requestPort));
data.AddRange(Encryptor.Encoding.GetBytes(requestHost));
try
{
int tryCount = 10;
while (((CrossPlatformUDP)socket).ReadClient.Available == 0)
{
((CrossPlatformUDP)socket).ReadClient.Send(data.ToArray(), data.Count, endpoint);
Thread.Sleep(500);
if (--tryCount <= 0)
{
throw new Exception("Unable to contact proxy host");
}
}
string endpointStr = "";
BMSByte otherBytes = ((CrossPlatformUDP)socket).ReadClient.Receive(ref endpoint, ref endpointStr);
BMSByte found = new BMSByte();
found.Clone(otherBytes);
if (found.byteArr[2] == 0)
{
return(false);
}
ushort targetPort = System.BitConverter.ToUInt16(found.byteArr, 3);
string targetHost = Encryptor.Encoding.GetString(found.byteArr, 5, found.byteArr.Length - 6);
IPEndPoint targetEndpoint = new IPEndPoint(IPAddress.Parse(targetHost), targetPort);
tryCount = 20;
while (((CrossPlatformUDP)socket).ReadClient.Available == 0)
{
((CrossPlatformUDP)socket).ReadClient.Send(new byte[] { 4, 4, 0 }, 3, targetEndpoint);
Thread.Sleep(500);
if (--tryCount <= 0)
{
throw new Exception("Unable to contact proxy host");
}
}
#if UNITY_EDITOR
Debug.Log("Connected via NAT traversal");
#endif
}
#if UNITY_EDITOR
catch (Exception e)
{
Debug.LogException(e);
}
#else
catch { }
#endif
#endif
return(true);
}
