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();
}
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();
}
}
}