public void FrameHelperSuccessful()
{
const byte input = 1;
byte result = FrameHelpers.SetBit(input, true, 3);
Assert.Equal(result, 9);
result = FrameHelpers.SetBit(result, false, 3);
Assert.Equal(result, 1);
result = FrameHelpers.SetBit(result, false, 0);
Assert.Equal(result, 0);
result = FrameHelpers.SetBit(result, true, 7);
Assert.Equal(result, 128);
result = FrameHelpers.SetBit(result, true, 6);
Assert.Equal(result, 192);
result = FrameHelpers.SetBit(result, true, 5);
Assert.Equal(result, 224);
result = FrameHelpers.SetBit(result, false, 7);
Assert.Equal(result, 96);
result = FrameHelpers.SetBit(result, false, 6);
Assert.Equal(result, 32);
result = FrameHelpers.SetBit(result, false, 5);
Assert.Equal(result, 0);
result = FrameHelpers.SetBit(result, true, 0);
Assert.Equal(result, input);
}
// We've found a CRLFCRLF sequence. Confirm the status code is 101 for upgrade.
private HandshakeResponse InspectHanshake(byte[] buffer, int split, int limit)
{
var handshake = new HandshakeResponse
{
ResponseBytes = new ArraySegment <byte>(buffer, 0, split),
ExtraData = new ArraySegment <byte>(buffer, split, limit),
};
// Must be at least "HTTP/1.1 101\r\nConnection: Upgrade\r\nUpgrade: HTTP/2.0\r\n\r\n"
string response = FrameHelpers.GetAsciiAt(buffer, 0, split);
if (_end == ConnectionEnd.Client)
{
if (response.StartsWith("HTTP/1.1 101 SWITCHING PROTOCOLS", StringComparison.OrdinalIgnoreCase) &&
response.IndexOf("\r\nCONNECTION: UPGRADE\r\n", StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf(string.Format("\r\nUPGRADE: {0}\r\n", Protocols.Http2), StringComparison.OrdinalIgnoreCase) >= 0)
{
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
else
{
if (response.IndexOf("\r\nCONNECTION: UPGRADE, HTTP2-SETTINGS\r\n", StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf(string.Format("\r\nUPGRADE: {0}\r\n", Protocols.Http2), StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf("\r\nHTTP2-SETTINGS:", StringComparison.OrdinalIgnoreCase) >= 0)
{
GetHeaders(response);
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
return(handshake);
}
