/*********** UDP request ***********/
public void InitializeRemotePlayChannel(Session session, IPEndPoint ps4Endpoint)
{
const int retry = 3;
for (int i = 0; i < retry; i++)
{
Socket udpClient = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
udpClient.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
udpClient.ExclusiveAddressUse = false;
udpClient.ReceiveTimeout = 5500;
udpClient.Connect(ps4Endpoint.Address, RemotePlayPort);
RemotePlayContext remotePlayContext = SendInitControlMessages(udpClient);
if (remotePlayContext == null)
{
udpClient.Close();
udpClient.Dispose();
Thread.Sleep(2500);
continue;
}
remotePlayContext = SendBigBangMessages(udpClient, session, remotePlayContext);
if (remotePlayContext == null)
{
udpClient.Close();
udpClient.Dispose();
Thread.Sleep(2500);
continue;
}
remotePlayContext = SendStreamInfo(udpClient, session, remotePlayContext);
if (remotePlayContext == null)
{
udpClient.Close();
udpClient.Dispose();
Thread.Sleep(2500);
continue;
}
OnPs4LogInfo?.Invoke(this, "!!!!!!!!!!!!! Stream initialization successfully completed" + Environment.NewLine);
_udpClient = udpClient;
RemotePlayAsyncState remotePlayAsyncState = new RemotePlayAsyncState(remotePlayContext, session);
//HandleFeedbackData(_udpClient, remotePlayContext);
HandleHeartBeat(_udpClient, remotePlayContext);
_udpClient.BeginReceive(remotePlayAsyncState.Buffer, 0, remotePlayAsyncState.Buffer.Length, SocketFlags.None, HandleRemotePlayStream, remotePlayAsyncState);
break;
}
}
/*********** Stream handling ***********/
private void HandleRemotePlayStream(IAsyncResult result)
{
try
{
RemotePlayAsyncState remotePlayAsyncState = (RemotePlayAsyncState)result.AsyncState;
int bytesRead = _udpClient.EndReceive(result);
if (bytesRead > 0)
{
if (remotePlayAsyncState.Buffer[0] == 0) // Control message
{
// ToDo check takion_handle_packet_message
ControlMessage controlMessage = new ControlMessage();
using (MemoryStream memoryStream = new MemoryStream(remotePlayAsyncState.Buffer, 0, bytesRead))
using (BinaryReader binaryWriter = new BinaryReader(memoryStream))
{
controlMessage.Deserialize(binaryWriter);
OnPs4LogInfo?.Invoke(this, "Received remote play stream control package, crypto " + controlMessage.Crypto + ", tagPos " + controlMessage.TagPos);
}
byte[] ackBangPayload = HexUtil.Unhexlify("00000000");
ushort ackBangPayloadSize = (ushort)(12 + ackBangPayload.Length);
ControlMessage ackControlMessage = new ControlMessage(0, remotePlayAsyncState.RemotePlayContext.ReceiverId, 0, 0, 3, 0, ackBangPayloadSize, controlMessage.FuncIncr, 0x19000);
ackControlMessage.UnParsedPayload = ackBangPayload;
SendCryptedControlMessage(ackControlMessage, remotePlayAsyncState.RemotePlayContext, _udpClient);
//SendData(_udpClient, GetByteArrayForControlMessage(ackControlMessage));
/*if (controlMessage.ProtoBuffFlag == 1 && controlMessage.UnParsedPayload.Length > 0 && controlMessage.UnParsedPayload.Length != 7) WIP
* {
* TakionMessage takionMessage = Serializer.Deserialize<TakionMessage>(new MemoryStream(controlMessage.UnParsedPayload));
* if (takionMessage.Type == TakionMessage.PayloadType.Heartbeat)
* {
* byte[] heartbeatPayload = HexUtil.Unhexlify("000803");
* short heartbeatPayloadSize = (short) (12 + heartbeatPayload.Length);
* ControlMessage heartbeatControlMessage = new ControlMessage(0, remotePlayAsyncState.RemotePlayContext.ReceiverId, new Random().Next(), controlMessage.TagPos + 0x10, 0, 1, heartbeatPayloadSize, controlMessage.FuncIncr, 0x10000);
* heartbeatControlMessage.UnParsedPayload = heartbeatPayload;
*
* SendData(_udpClient, GetByteArrayForControlMessage(heartbeatControlMessage));
* }
* }*/
}
_udpClient.BeginReceive(remotePlayAsyncState.Buffer, 0, remotePlayAsyncState.Buffer.Length, SocketFlags.None, HandleRemotePlayStream, remotePlayAsyncState);
}
else
{
// Close connection
}
}
catch (ObjectDisposedException)
{
// Ignore closed from outside
}
catch (Exception exception)
{
OnPs4ConnectionError?.Invoke(this, "Connection error while handling stream data. Exception: " + exception);
}
}