private async void GetOfferAsync(WebRTCCommons.CustomAwaiter<string> awaiter)
{
string sdp = await mConnection.GenerateOffer();
awaiter.SetComplete(sdp);
}
private async void GetOfferResponseAsync(WebRTCCommons.CustomAwaiter<byte[]> awaiter, string offer)
{
string offerResponse = await mConnection.SetOffer(offer);
byte[] r = UTF8Encoding.UTF8.GetBytes("HTTP/1.1 200 OK\r\nContent-Type: text/sdp\r\nConnection: close\r\nContent-Length: " + offerResponse.Length.ToString() + "\r\n\r\n" + offerResponse);
awaiter.SetComplete(r);
}