* STATE_BODY_DUMB
Soaking up all input as body.
* STATE_BODY_LENGTH
- Reading body as indicated by `Content-Lenght` or `Content-Range`.
+ Reading body as indicated by `Content-Length` or `Content-Range`.
* STATE_BODY_CHUNKED
Parsing `chunked` encoded body.
* STATE_BODY_DONE
Finished parsing the body.
+* STATE_UPDATE_CL
+ Updating Content-Length based on body size.
* STATE_DONE
Finished parsing the message.