rw*bufio.ReadWriter// buffered where HTTP requests/responses are read/written from/to
currentReq*http.Request// pending request, codec can pass in a too small buffer for a single read
// we need to keep track of the current requests if it was not read at once
currentReq*http.Request// pending request, codec can pass in a too small buffer for a single read we need to keep track of the current requests if it was not read at once
payloadBytesReadint64// number of bytes which are read from the current request