public override Tuple<int, HTTPHeaders, byte[]> transform_first_chunk(int status_code, HTTPHeaders headers, byte[] chunk, bool finishing)
{
// 304 responses have no body (not even a zero-length body), and so
// should not have either Content-Length or Transfer-Encoding headers.
if (_chunking && status_code != 304)
{
// No need to chunk the output if a Content-Length is specified
if (headers.ContainsKey("Content-Length") || headers.ContainsKey("Transfer-Encoding"))
_chunking = false;
else
{
headers["Transfer-Encoding"] = "chunked";
chunk = transform_chunk(chunk, finishing);
}
}
return new Tuple<int, HTTPHeaders, byte[]>(status_code, headers, chunk);
}
public override Tuple<int, HTTPHeaders, byte[]> transform_first_chunk(int status_code, HTTPHeaders headers, byte[] chunk, bool finishing)
{
if (_gzipping)
{
var ctype = headers.get("Content-Type", "").Split(';')[0];
_gzipping = CONTENT_TYPES.Contains(ctype) &&
(!finishing || chunk.Length >= MIN_LENGTH) &&
(finishing || !headers.ContainsKey("Content-Length")) &&
(!headers.ContainsKey("Content-Encoding"));
}
if (_gzipping)
{
headers["Content-Encoding"] = "gzip";
_gzip_value = new MemoryStream(); // BytesIO();
//_gzip_file = gzip.GzipFile(mode = "w", fileobj = self._gzip_value);
_gzip_file = new GZipStream(_gzip_value, CompressionMode.Compress);
chunk = transform_chunk(chunk, finishing);
if (headers.ContainsKey("Content-Length"))
headers["Content-Length"] = chunk.Length.ToString();
}
return new Tuple<int, HTTPHeaders, byte[]>(status_code, headers, chunk);
}