internal static Datagram ParseBody(byte[] buffer, int offset, int length,
bool isBodyPossible, HttpHeader header)
{
if (!isBodyPossible)
{
return(Empty);
}
HttpTransferEncodingField transferEncodingField = header.TransferEncoding;
if (transferEncodingField != null &&
transferEncodingField.TransferCodings != null &&
transferEncodingField.TransferCodings.Any(coding => coding != "identity"))
{
return(ParseChunkedBody(buffer, offset, length));
}
HttpContentLengthField contentLengthField = header.ContentLength;
if (contentLengthField != null)
{
uint?contentLength = contentLengthField.ContentLength;
if (contentLength != null)
{
return(new Datagram(buffer, offset, Math.Min((int)contentLength.Value, length)));
}
}
HttpContentTypeField contentTypeField = header.ContentType;
if (contentTypeField != null)
{
if (contentTypeField.MediaType == "multipart" &&
contentTypeField.MediaSubtype == "byteranges")
{
string boundary = contentTypeField.Parameters["boundary"];
if (boundary != null)
{
byte[] lastBoundaryBuffer = Encoding.ASCII.GetBytes(string.Format(CultureInfo.InvariantCulture, "\r\n--{0}--", boundary));
int lastBoundaryOffset = buffer.Find(offset, length, lastBoundaryBuffer);
int lastBoundaryEnd = lastBoundaryOffset + lastBoundaryBuffer.Length;
return(new Datagram(buffer, offset,
Math.Min(lastBoundaryEnd - offset, length)));
}
}
}
return(new Datagram(buffer, offset, length));
}
internal static Datagram ParseBody(byte[] buffer, int offset, int length, bool isBodyPossible, HttpHeader header)
{
if (!isBodyPossible)
{
return(Datagram.Empty);
}
HttpTransferEncodingField transferEncoding = header.TransferEncoding;
if (transferEncoding != null && transferEncoding.TransferCodings != null && Enumerable.Any <string>((IEnumerable <string>)transferEncoding.TransferCodings, (Func <string, bool>)(coding => coding != "identity")))
{
return(HttpDatagram.ParseChunkedBody(buffer, offset, length));
}
HttpContentLengthField contentLength1 = header.ContentLength;
if (contentLength1 != null)
{
uint?contentLength2 = contentLength1.ContentLength;
if (contentLength2.HasValue)
{
return(new Datagram(buffer, offset, Math.Min((int)contentLength2.Value, length)));
}
}
HttpContentTypeField contentType = header.ContentType;
if (contentType != null && contentType.MediaType == "multipart" && contentType.MediaSubtype == "byteranges")
{
string str = contentType.Parameters["boundary"];
if (str != null)
{
byte[] bytes = Encoding.ASCII.GetBytes(string.Format((IFormatProvider)CultureInfo.InvariantCulture, "\r\n--{0}--", new object[1]
{
(object)str
}));
int num = ByteArrayExtensions.Find(buffer, offset, length, bytes) + bytes.Length;
return(new Datagram(buffer, offset, Math.Min(num - offset, length)));
}
}
return(new Datagram(buffer, offset, length));
}