tf cleaning

doublebuf
Ondřej Hruška 7 years ago
parent fed1d1a5ce
commit 64614b8e59
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
  1. 20
      gex/TinyFrame.py

@ -13,12 +13,22 @@ class TinyFrame:
# If the connection is reliable, you can disable the SOF byte and checksums.
# That can save up to 9 bytes of overhead.
# ,-----+----+-----+------+------------+- - - -+------------,
# | SOF | ID | LEN | TYPE | HEAD_CKSUM | DATA | PLD_CKSUM |
# | 1 | ? | ? | ? | ? | ... | ? | <- size (bytes)
# '-----+----+-----+------+------------+- - - -+------------'
# ,-----+-----+-----+------+------------+- - - -+-------------,
# | SOF | ID | LEN | TYPE | HEAD_CKSUM | DATA | DATA_CKSUM |
# | 0-1 | 1-4 | 1-4 | 1-4 | 0-4 | ... | 0-4 | <- size (bytes)
# '-----+-----+-----+------+------------+- - - -+-------------'
#
# SOF ......... start of frame, usually 0x01 (optional, configurable)
# ID ......... the frame ID (MSb is the peer bit)
# LEN ......... number of data bytes in the frame
# TYPE ........ message type (used to run Type Listeners, pick any values you like)
# HEAD_CKSUM .. header checksum
#
# DATA ........ LEN bytes of data (can be 0, in which case DATA_CKSUM is omitted as well)
# DATA_CKSUM .. checksum, implemented as XOR of all preceding bytes in the message
# !!! BOTH SIDES MUST USE THE SAME SETTINGS !!!
# Settings can be adjusted by setting the properties after init
# Adjust sizes as desired (1,2,4)
self.ID_BYTES = 2
@ -279,7 +289,7 @@ class TinyFrame:
if frame.id in self.id_listeners and self.id_listeners[frame.id] is not None:
lst = self.id_listeners[frame.id]
rv = lst['fn'](self, frame)
if rv == TF.CLOSE:
if rv == TF.CLOSE or rv is None:
self.id_listeners[frame.id] = None
return
elif rv == TF.RENEW:

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