public async Task InterceptAsync(HotelEndPoint endpoint)
{
_isIntercepting = true;
int interceptCount = 0;
while (!IsConnected && _isIntercepting)
{
try
{
Local = await HNode.AcceptAsync(ListenPort).ConfigureAwait(false);
if (!_isIntercepting)
{
break;
}
if (++interceptCount == SocketSkip)
{
interceptCount = 0;
continue;
}
byte[] buffer = await Local.PeekAsync(6).ConfigureAwait(false);
if (!_isIntercepting)
{
break;
}
if (buffer.Length == 0)
{
interceptCount--;
continue;
}
Remote = new HNode();
if (BigEndian.ToUInt16(buffer, 4) != 4000)
{
buffer = await Local.ReceiveAsync(512).ConfigureAwait(false);
if (!_isIntercepting)
{
break;
}
if (Encoding.UTF8.GetString(buffer) == CROSS_DOMAIN_POLICY_REQUEST)
{
await Local.SendAsync(Encoding.UTF8.GetBytes(CROSS_DOMAIN_POLICY_RESPONSE)).ConfigureAwait(false);
}
else
{
throw new Exception("Expected cross-domain policy request.");
}
continue;
}
var args = new ConnectedEventArgs(endpoint);
OnConnected(args);
endpoint = (args.HotelServer ?? endpoint);
if (args.IsFakingPolicyRequest)
{
using (var tempRemote = await HNode.ConnectNewAsync(endpoint).ConfigureAwait(false))
{
await tempRemote.SendAsync(Encoding.UTF8.GetBytes(CROSS_DOMAIN_POLICY_REQUEST)).ConfigureAwait(false);
}
}
if (!await Remote.ConnectAsync(endpoint).ConfigureAwait(false))
{
break;
}
IsConnected = true;
_inSteps = 0;
_outSteps = 0;
Task interceptOutgoingTask = InterceptOutgoingAsync();
Task interceptIncomingTask = InterceptIncomingAsync();
}
finally
{
if (!IsConnected)
{
Local?.Dispose();
Remote?.Dispose();
}
}
}
HNode.StopListeners(ListenPort);
_isIntercepting = false;
}
protected virtual void OnConnected(ConnectedEventArgs e)
{
Connected?.Invoke(this, e);
}