'Read everything that\'s possible without blocking in I/O (eager).
Raise EOFError if connection closed and no cooked data
available.  Return \'\' if no cooked data available otherwise.
Don\'t block unless in the midst of an IAC sequence.'

def read_very_eager(self):

    self.process_rawq()
    while ((not self.eof) and self.sock_avail()):
        self.fill_rawq()
        self.process_rawq()
    return self.read_very_lazy()
