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unreal: in MODE, also wrap to 12 modes per line

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Closes #393. Really fixes #253.
This commit is contained in:
James Lu 2017-01-13 23:58:11 -08:00
parent 5e79ea908d
commit 7245e978cd
1 changed files with 8 additions and 1 deletions
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9
protocols/unreal.py
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@ -236,7 +236,14 @@ class UnrealProtocol(TS6BaseProtocol):
# Subtract the prefix (":SID " for servers or ":SIDAAAAAA " for servers)
bufsize -= (5 if self.irc.isInternalServer(numeric) else 11)
for modestring in self.irc.wrapModes(modes, bufsize):
# There is also an (undocumented) 15 args per line limit for MODE. The target, mode
# characters, and TS take up three args, so we're left with 12 spaces for parameters.
# Any lines that go over 15 args/line has the potential of corrupting a channel's TS
# pretty badly, as the last argument gets mangled into a number:
# * *** Warning! Possible desynch: MODE for channel #test ('+bbbbbbbbbbbb *!*@0.1 *!*@1.1 *!*@2.1 *!*@3.1 *!*@4.1 *!*@5.1 *!*@6.1 *!*@7.1 *!*@8.1 *!*@9.1 *!*@10.1 *!*@11.1') has fishy timestamp (12) (from pylink.local/pylink.local)
# Thanks to kevin and Jobe for helping me debug this!
for modestring in self.irc.wrapModes(modes, bufsize, max_modes_per_msg=12):
self._send(numeric, 'MODE %s %s %s' % (target, modestring, ts))
else:
# For user modes, the only way to set modes (for non-U:Lined servers)