Beispiel #1
0
        private void EndReceive(IAsyncResult res)
        {
            var state = res.AsyncState as SocketReceiveBundle;
            var ep    = new IPEndPoint(IPAddress.Any, Port);

            byte[] data = null;
            try {
                data = state.UdpClient.EndReceive(res, ref ep);
            } catch (ObjectDisposedException ex) {
                Log.Info($"{nameof(EndReceive)}: This is more or less expected", ex);
                return;
            }

            if (data.Length < 4)
            {
                Receive();
                return;
            }
            var length = data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;

            if (data.Length < length)
            {
                Receive();
                return;
            }

            data = data.Skip(4).ToArray();

            try {
                using (var ms = new MemoryStream(data)) {
                    ms.Position = 0;
                    var bf = new BinaryFormatter();
                    var hg = (HostedGame)bf.Deserialize(ms);

                    if (hg.Host == "0.0.0.0")
                    {
                        hg.HostAddress = $"{ep.Address}:{hg.Port}";
                    }

                    lock (GameCache) {
                        if (GameCache.Contains(hg.Id.ToString()))
                        {
                            GameCache.Remove(hg.Id.ToString());
                        }
                        GameCache.Add(hg.Id.ToString(), hg, DateTime.Now.AddSeconds(10));

                        if (_awaitingStart.TryGetValue(hg.Id, out var tcs))
                        {
                            tcs.SetResult(hg);
                        }
                    }
                }
            } catch (Exception ex) {
                Log.Error($"{nameof(EndReceive)}: Error reading data", ex);
            }

            Receive();
        }
Beispiel #2
0
        private void EndReceive(IAsyncResult res)
        {
            try
            {
                var state = res.AsyncState as SocketReceiveBundle;
                var ep    = new IPEndPoint(IPAddress.Any, Port);
                var data  = state.UdpClient.EndReceive(res, ref ep);

                if (data.Length < 4)
                {
                    return;
                }
                var length = data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
                if (data.Length < length)
                {
                    return;
                }

                data = data.Skip(4).ToArray();

                using (var ms = new MemoryStream(data))
                {
                    ms.Position = 0;
                    var bf = new BinaryFormatter();
                    var hg = (IHostedGameData)bf.Deserialize(ms);

                    hg.TimeStarted = hg.TimeStarted.ToLocalTime();
                    hg.IpAddress   = ep.Address;
                    lock (GameCache)
                    {
                        if (GameCache.Contains(hg.Id.ToString()))
                        {
                            GameCache.Remove(hg.Id.ToString());
                        }
                        GameCache.Add(hg.Id.ToString(), hg, DateTime.Now.AddSeconds(10));

                        if (_awaitingStart.TryGetValue(hg.Id, out var tcs))
                        {
                            tcs.SetResult(hg);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Log.Error("EndReceive", e);
            }
            finally
            {
                if (IsListening)
                {
                    Receive();
                }
            }
        }