/// <summary>
/// Adopts protocol terms into owin environment.
/// </summary>
/// <param name="headers">The headers.</param>
/// <returns></returns>
private OwinContext PopulateEnvironment(HeadersList headers)
{
var owinContext = new OwinContext();
var headersAsDict = headers.ToDictionary(header => header.Key, header => new[] {header.Value}, StringComparer.OrdinalIgnoreCase);
owinContext.Environment[CommonOwinKeys.RequestHeaders] = headersAsDict;
owinContext.Environment[CommonOwinKeys.ResponseHeaders] = new Dictionary<string, string[]>();
var owinRequest = owinContext.Request;
var owinResponse = owinContext.Response;
owinRequest.Method = headers.GetValue(CommonHeaders.Method);
owinRequest.Path = headers.GetValue(CommonHeaders.Path);
owinRequest.CallCancelled = CancellationToken.None;
owinRequest.Host = headers.GetValue(CommonHeaders.Host);
owinRequest.PathBase = String.Empty;
owinRequest.QueryString = String.Empty;
owinRequest.Body = new MemoryStream();
owinRequest.Protocol = Protocols.Http2;
owinRequest.Scheme = headers.GetValue(CommonHeaders.Scheme) == Uri.UriSchemeHttp ? Uri.UriSchemeHttp : Uri.UriSchemeHttps;
owinRequest.RemoteIpAddress = _transportInfo.RemoteIpAddress;
owinRequest.RemotePort = Convert.ToInt32(_transportInfo.RemotePort);
owinRequest.LocalIpAddress = _transportInfo.LocalIpAddress;
owinRequest.LocalPort = _transportInfo.LocalPort;
owinResponse.Body = new ResponseStream{Capacity = 16384};
return owinContext;
}