static void AssertContains(string a, string b, bool caseSensitiveEquals, bool caseInsenstaiveEquals)
{
var asciiA = new AsciiString(a);
var asciiB = new AsciiString(b);
Assert.Equal(caseSensitiveEquals, AsciiString.Contains(asciiA, asciiB));
Assert.Equal(caseInsenstaiveEquals, AsciiString.ContainsIgnoreCase(asciiA, asciiB));
}
protected internal ZlibWrapper?DetermineWrapper(ICharSequence acceptEncoding)
{
float starQ = -1.0f;
float gzipQ = -1.0f;
float deflateQ = -1.0f;
ICharSequence[] parts = CharUtil.Split(acceptEncoding, ',');
foreach (ICharSequence encoding in parts)
{
float q = 1.0f;
int equalsPos = encoding.IndexOf('=');
if (equalsPos != -1)
{
try
{
var ddd = encoding.ToString(equalsPos + 1);
q = float.Parse(encoding.ToString(equalsPos + 1));
}
catch (FormatException)
{
// Ignore encoding
q = 0.0f;
}
}
if (encoding.Contains('*'))
{
starQ = q;
}
else if (AsciiString.Contains(encoding, GZipString) && q > gzipQ)
{
gzipQ = q;
}
else if (AsciiString.Contains(encoding, DeflateString) && q > deflateQ)
{
deflateQ = q;
}
}
if (gzipQ > 0.0f || deflateQ > 0.0f)
{
return(gzipQ >= deflateQ ? ZlibWrapper.Gzip : ZlibWrapper.Zlib);
}
if (starQ > 0.0f)
{
// ReSharper disable CompareOfFloatsByEqualityOperator
if (gzipQ == -1.0f)
{
return(ZlibWrapper.Gzip);
}
if (deflateQ == -1.0f)
{
return(ZlibWrapper.Zlib);
}
// ReSharper restore CompareOfFloatsByEqualityOperator
}
return(null);
}
/// <summary>
/// Returns true if the server switched to a different protocol than HTTP/1.0 or HTTP/1.1, e.g. HTTP/2 or Websocket.
/// Returns false if the upgrade happened in a different layer, e.g. upgrade from HTTP/1.1 to HTTP/1.1 over TLS.
/// </summary>
/// <param name="msg"></param>
/// <returns></returns>
protected bool IsSwitchingToNonHttp1Protocol(IHttpResponse msg)
{
if (msg.Status.Code != StatusCodes.Status101SwitchingProtocols)
{
return(false);
}
return(!msg.Headers.TryGet(HttpHeaderNames.Upgrade, out ICharSequence newProtocol) ||
!AsciiString.Contains(newProtocol, HttpVersion.Http10String) &&
!AsciiString.Contains(newProtocol, HttpVersion.Http11String));
}