[pox-dev] cannot convert argument to integer in pack self.max_len

[博威张]

Hi,

I'm doing something based on *l2_multi* and I got such problems :

Traceback (most recent call last):
  File "/home/seuzbw/pox/pox/lib/revent/revent.py", line 231, in
raiseEventNoErrors
    return self.raiseEvent(event, *args, **kw)
  File "/home/seuzbw/pox/pox/lib/revent/revent.py", line 278, in raiseEvent
    rv = event._invoke(handler, *args, **kw)
  File "/home/seuzbw/pox/pox/lib/revent/revent.py", line 156, in _invoke
    return handler(self, *args, **kw)
  File "/home/seuzbw/pox/ext/test1.py", line 492, in _handle_PacketIn
    self.install_path(dest[0], dest[1], match, event)
  File "/home/seuzbw/pox/ext/test1.py", line 414, in install_path
    self._install_path(p, match, event.ofp)
  File "/home/seuzbw/pox/ext/test1.py", line 360, in _install_path
    self._install(sw, in_port, out_port, match)
  File "/home/seuzbw/pox/ext/test1.py", line 355, in _install
    switch.connection.send(msg)
  File "/home/seuzbw/pox/pox/openflow/of_01.py", line 692, in send
    data = data.pack()
  File "/home/seuzbw/pox/pox/openflow/libopenflow_01.py", line 2322, in pack
    packed += i.pack()
  File "/home/seuzbw/pox/pox/openflow/libopenflow_01.py", line 1560, in pack
    self.max_len)
error: cannot convert argument to integer

*self.max_len *is in class of *ofp_action_output*.

I didn't make any changes either on method  of *_install()* or on class of
*ofp_action_output,* so what's wrong?

The original *l2_multi* works fine.

Thank you.
Bowei
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