def readfifo(data): nonlocal fifobuffer fifobuffer.extend(data) while fifobuffer: message, token, nextmsg = fifobuffer.partition(b"\00") if token: splitval = message.split(b' ', 1) cmd = splitval[0].decode("utf-8") if len(splitval) > 1: value = splitval[1].decode("utf-8") else: value = '' if cmd == 'bbplain': bb.plain(value) elif cmd == 'bbnote': bb.note(value) elif cmd == 'bbverbnote': bb.verbnote(value) elif cmd == 'bbwarn': bb.warn(value) elif cmd == 'bberror': bb.error(value) elif cmd == 'bbfatal': # The caller will call exit themselves, so bb.error() is # what we want here rather than bb.fatal() bb.error(value) elif cmd == 'bbfatal_log': bb.error(value, forcelog=True) elif cmd == 'bbdebug': splitval = value.split(' ', 1) level = int(splitval[0]) value = splitval[1] bb.debug(level, value) else: bb.warn("Unrecognised command '%s' on FIFO" % cmd) fifobuffer = nextmsg else: break