/// <summary>
/// Awaits a message from the client containing a sessionId.
/// If the sessionId matches any we have given out. Assign the found PlayerEndPoint
/// to the client. We write back the sessionId again as a signal that the client should
/// begin attempting to "connect" with UDP.
/// </summary>
/// <param name="socket"> The TCP socket for the client. </param>
/// <returns> true if the client succesfully verified through TCP. false otherwise. </returns>
private async Task<bool> AddTCPTarget(AsyncSocket socket)
{
AsyncSocket.ReadResult result = await socket.ReceiveAsync();
if (result.BytesRead != SESSIONID_LENGTH)
{
return false;
}
string sessionId = Convert.ToBase64String(result.Buffer);
PlayerEndPoint playerEndPoint;
if (!_playerSessionTokens.TryGetValue(sessionId, out playerEndPoint))
{
return false;
}
if (sessionId != playerEndPoint.SessionId)
return false;
playerEndPoint.TCPSocket = socket;
await socket.SendMessage(result.Buffer);
return _playerEndPoints.TryAdd(socket.IpEndPoint, playerEndPoint);
}
