private void OnSendCompleted(AsyncResult res)
{
var stream = this.NetworkStream;
/*var buff = new byte[4096];
var bytes = 0;
do
{
bytes += stream.Read(buff, bytes, buff.Length - bytes);
} while (bytes < buff.Length);
File.WriteAllBytes("c:\\response.dat", buff);*/
var httpStateLine = ReadLine(stream);
var stateMatch = Regex.Match(httpStateLine, @"^HTTP/\d\.\d (?<code>\d+) .+$");
var stateCode = (HttpStatusCode)int.Parse(stateMatch.Groups["code"].Value);
var respMsg = new HttpMessage.Response(stream, stateCode);
string hdr;
while (!string.IsNullOrEmpty(hdr = ReadLine(stream)))
{
var delimiterPos = hdr.IndexOf(": ");
respMsg.Headers.Add(hdr.Substring(0, delimiterPos), hdr.Substring(delimiterPos + 1));
}
switch (stateCode)
{
case HttpStatusCode.Continue:
// continue reading response
this.OnSendCompleted(res); // read next http response
break;
case HttpStatusCode.Found:
// temporary redirect
res.Client.Close();
stream.Dispose();
var newUrl = respMsg.Headers["Location"];
if (res.RequestMessage.Stream != null)
{
// need to send data again, move stream to the beginning
res.RequestMessage.Stream.Position = res.RequestStreamStart;
}
this.BeginSend(newUrl, res.RequestMessage, res.CallBack, res.AsyncState);
break;
case HttpStatusCode.OK:
case HttpStatusCode.PartialContent:
var cook = respMsg.Headers["Set-Cookie"];
if (this.CookieContainer != null && !string.IsNullOrEmpty(cook))
{
this.CookieContainer.SetCookies(res.Uri, cook);
}
res.OnComplete(respMsg);
break;
default:
res.ThrowException(new ApplicationException("Server returned: HTTP " + stateCode));
break;
}
}