Error handling for Network Unreachable

[shader]

If the network goes down for some reason, zbeacon produces the following error message:

Traceback (most recent call last):
  File "/usr/lib64/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib64/python2.7/threading.py", line 763, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyre/zbeacon.py", line 204, in __init__
    self.run()
  File "/usr/lib64/python2.7/site-packages/pyre/zbeacon.py", line 398, in run
    self.send()
  File "/usr/lib64/python2.7/site-packages/pyre/zbeacon.py", line 338, in send
    self._udp_sock.sendto(self.transmit, (str(self.announce_address), self._port))
error: [Errno 101] Network is unreachable

What is the proper way to provide error handling for this situation? I'd like to implement something like sleep + retry, but I could imagine others wanting to provide a different handler.

[sphaero]

I'm not sure yet what is best. Best is to close the socket and try to open a new one. Or close the zbeacon instance and create a new one. Best is to mimic behaviour of zyre?

[shader]

Where is the right place to catch the exception, since it's occurring on a different thread?

[sphaero]

At the send. Usually you get the exception when you try to do a send. This is where you'd need to intervene

[sphaero]

duplicate of #1, please add comments there