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Exception thrown from loop() when ssl enabled and network missing

 

Traceback (most recent call last):
  File "/usr/lib/python3.2/threading.py", line 740, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.2/threading.py", line 693, in run
    self._target(*self._args, **self._kwargs)
  File "/home/jacko/linuxmessenger/mosquitto.py", line 1765, in _thread_main
    rc = self.loop()
  File "/home/jacko/linuxmessenger/mosquitto.py", line 670, in loop
    rc = self.loop_read(max_packets)
  File "/home/jacko/linuxmessenger/mosquitto.py", line 840, in loop_read
    rc = self._packet_read()
  File "/home/jacko/linuxmessenger/mosquitto.py", line 1078, in _packet_read
    command = self._ssl.read(1)
  File "/usr/lib/python3.2/ssl.py", line 295, in read
    v = self._sslobj.read(len or 1024)
AttributeError: 'NoneType' object has no attribute 'read'

It looks like _packet_read() catches certain socket exceptions, but it
doesn't expect this one. I'm guessing this is a behavior difference between
ssl and non-ssl sockets. Is this a bug?

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