public void ReadHeadersAndInspectHandshake()
{
try
{
_response = Read11Headers();
_wasResponseReceived = true;
}
catch (Exception ex)
{
Http2Logger.LogError(ex.Message);
throw;
}
}
public void ReadHeadersAndInspectHandshake()
{
try
{
_response = Read11Headers();
_wasResponseReceived = true;
}
catch (Exception ex)
{
Http2Logger.LogError(ex.Message);
throw;
}
}
// 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"
Contract.Assert(split >= 0 && split - 1 < buffer.Length);
var response = Encoding.ASCII.GetString(buffer, 0, split);
if (_end == ConnectionEnd.Client)
{
int status = StatusCode.Code101SwitchingProtocols;
string reasonPhrase = StatusCode.GetReasonPhrase(status);
if (response.StartsWith(String.Format("{0} {1} {2}", Protocols.Http1, status.ToString(), reasonPhrase),
StringComparison.OrdinalIgnoreCase) &&
response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Connection, CommonHeaders.Upgrade),
StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Upgrade, Protocols.Http2NoTls),
StringComparison.OrdinalIgnoreCase) >= 0)
{
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
else
{
if (
response.IndexOf(String.Format("\r\n{0}: {1}, {2}\r\n", CommonHeaders.Connection, CommonHeaders.Upgrade, CommonHeaders.Http2Settings),
StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Upgrade, Protocols.Http2NoTls),
StringComparison.OrdinalIgnoreCase) >= 0 &&
response.IndexOf(String.Format("\r\n{0}:", CommonHeaders.Http2Settings), StringComparison.OrdinalIgnoreCase) >= 0)
{
GetHeaders(response);
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
return(handshake);
}
// 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"
Contract.Assert(split >= 0 && split - 1 < buffer.Length);
var response = Encoding.ASCII.GetString(buffer, 0, split);
if (_end == ConnectionEnd.Client)
{
int status = StatusCode.Code101SwitchingProtocols;
string reasonPhrase = StatusCode.GetReasonPhrase(status);
if (response.StartsWith(String.Format("{0} {1} {2}", Protocols.Http1, status.ToString(), reasonPhrase),
StringComparison.OrdinalIgnoreCase)
&& response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Connection, CommonHeaders.Upgrade),
StringComparison.OrdinalIgnoreCase) >= 0
&& response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Upgrade, Protocols.Http2),
StringComparison.OrdinalIgnoreCase) >= 0)
{
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
else
{
if (
response.IndexOf(String.Format("\r\n{0}: {1}, {2}\r\n", CommonHeaders.Connection, CommonHeaders.Upgrade, CommonHeaders.Http2Settings),
StringComparison.OrdinalIgnoreCase) >= 0
&& response.IndexOf(String.Format("\r\n{0}: {1}\r\n", CommonHeaders.Upgrade, Protocols.Http2),
StringComparison.OrdinalIgnoreCase) >= 0
&& response.IndexOf(String.Format("\r\n{0}:", CommonHeaders.Http2Settings), StringComparison.OrdinalIgnoreCase) >= 0)
{
GetHeaders(response);
handshake.Result = HandshakeResult.Upgrade;
}
else
{
handshake.Result = HandshakeResult.NonUpgrade;
}
}
return handshake;
}
