Action <Frame, Exception> HandleExpectContinue(Action <Frame, Exception> continuation)
{
string[] expect;
if (_httpVersion.Equals("HTTP/1.1") &&
_requestHeaders.TryGetValue("Expect", out expect) &&
(expect.FirstOrDefault() ?? "").Equals("100-continue", StringComparison.OrdinalIgnoreCase))
{
return((frame, error) =>
{
if (_resultStarted)
{
continuation.Invoke(frame, null);
}
else
{
var bytes = Encoding.Default.GetBytes("HTTP/1.1 100 Continue\r\n\r\n");
var isasync =
_context.Write(new ArraySegment <byte>(bytes)) &&
_context.Flush(() => continuation(frame, null));
if (!isasync)
{
continuation.Invoke(frame, null);
}
}
});
}
return(continuation);
}
