socket freezes

[Steve Holden]

Luis P. Mendes wrote:
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> 
> Hi,
> 
> I've developed a program that uses a socket to receive information 24h a
> ~ day.
> 
> The problem is that the socket seems to freeze.  By that I mean the
> program stops getting information but doesn't raise any error.
> 
> I tried to solve this by writing the following functions, in order to
> try to start the socket connection again:
> 
> def keepAlive(self):
> ~    self.alive = 0
> ~    tnow = time.time()
> ~    if tnow - self.lastTime > 90:   # last time got from last string
> received from the socket
> ~        self.alive = 1
> 
> def reSocket():
> ~    print "socket has failed", time.strftime('%X', time.localtime())
> ~    time.sleep(60)
> ~    l=GServer()		# new instance that contains the socket
> 
> reSocket is triggered when self.alive is 1.
> 
> But it hasn't solved my problem.  These functions have effect only after
> I do a ^C, and even then, the socket doesn't start to acquire new input.
> 
> Any clues you can give me about this?
> 
Try setting a default timeout on the socket, and if it times out 
recontact the other system on a new socket. See socket.setdefaultimeout()

regards
  Steve
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