// Constructors
HttpWebResponse(Uri uri, string method, WebConnectionData data, CookieContainer container)
{
_uri = uri;
_method = method;
_webHeaders = data.Headers;
_version = data.Version;
_statusCode = (HttpStatusCode)data.StatusCode;
_statusDescription = data.StatusDescription;
_stream = data.Stream;
_contentLength = -1;
try
{
var cl = _webHeaders["Content-Length"];
if (String.IsNullOrEmpty(cl) || !Int64.TryParse(cl, out _contentLength))
_contentLength = -1;
}
catch (Exception)
{
_contentLength = -1;
}
if (container != null)
{
_cookieContainer = container;
//FillCookiesAsync();
}
#if false
string content_encoding = webHeaders ["Content-Encoding"];
if (content_encoding == "gzip" && (data.request.AutomaticDecompression & DecompressionMethods.GZip) != 0)
stream = new GZipStream (stream, CompressionMode.Decompress);
else if (content_encoding == "deflate" && (data.request.AutomaticDecompression & DecompressionMethods.Deflate) != 0)
stream = new DeflateStream (stream, CompressionMode.Decompress);
#endif
}
async Task<Tuple<int, WebHeaderCollection>> ReadHeadersAsync(StreamSocketStream stream)
{
var status = 200;
//var ms = new MemoryStream();
var gotStatus = false;
using (var lineReader = new HttpLineReader(stream))
{
while (true)
{
//var n = await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
//if (n == 0)
//{
// HandleError(WebExceptionStatus.ServerProtocolViolation, null, "ReadHeaders");
// return null;
//}
//ms.Write(buffer, 0, n);
//var start = 0;
var headers = new WebHeaderCollection();
for (; ; )
{
var str = await lineReader.ReadLineAsync(CancellationToken.None).ConfigureAwait(false);
if (str == null)
{
var contentLen = 0L;
try
{
if (!long.TryParse(headers["Content-Length"], out contentLen))
contentLen = 0;
}
catch
{
contentLen = 0;
}
lineReader.SyncStream();
//if (false) //ms.Length - start - contentLen > 0)
//{
// // we've read more data than the response header and contents,
// // give back extra data to the caller
// //retBuffer = new byte[ms.Length - start - contentLen];
// //Buffer.BlockCopy(ms.GetBuffer(), (int) (start + contentLen), retBuffer, 0, retBuffer.Length);
//}
if (contentLen > 0)
{
// haven't read in some or all of the contents for the response, do so now
await FlushContentsAsync(stream, contentLen).ConfigureAwait(false);
}
return Tuple.Create(status, headers);
}
if (gotStatus)
{
headers.Add(str);
continue;
}
var spaceidx = str.IndexOf(' ');
if (spaceidx == -1)
{
HandleError(WebExceptionStatus.ServerProtocolViolation, null, "ReadHeaders2");
return null;
}
status = (int)UInt32.Parse(str.Substring(spaceidx + 1, 3));
gotStatus = true;
}
}
}
}