Twisted: UDP socket not closed.

Thu Apr 19 22:46:07 EDT 2012

On 20/04/2012 02:29, Luther Edwards wrote:
> Did anyone in the group ever have an answer to Kevac’s question, I’m
> having a similar issue?
>> Thanks in advance, Luther
>After a brief look at the documentation, I can only suggest that you
try the .loseConnection method.
>> [Python] Twisted: UDP socket not closed.
>> Description: Kevac Marko
> <http://grokbase.com/user/Kevac-Marko/tTjuHcXzmQtuttsnhLfi5e>
>>>> Kevac Marko <http://grokbase.com/user/Kevac-Marko/tTjuHcXzmQtuttsnhLfi5e>
> Dec 22, 2007 at 9:02 am <http://grokbase.com/g/python/python-list/2007/12>
>> Hi.
>> I have to send UDP packets very often. Approx twice in a second.
> But socket is not closed after sending packet. So soon i bump into
> open sockets\files limit.
> How to close socket after sending data?
>> Python 2.5, Twisted
>> class DataClient(DatagramProtocol):
>> def __init__(self, address, datagram = "PONG"):
> self.address, self.datagram = address, datagram
>> def startProtocol(self):
> self.transport.socket.setsockopt(socket.SOL_SOCKET, \
> socket.SO_BROADCAST, True)
> self.transport.connect(self.address[0], self.address[1])
> self.sendDatagram()
>> def sendDatagram(self):
> self.transport.write(self.datagram)
> debug("Data client: Sending to %s" % repr(self.address))
>> while True:
> clientprotocol = DataClient(("255.255.255.255", 5999), data)
> reactor.listenUDP(0, clientprotocol).stopListening()
>> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 43
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 44
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 44
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 44
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 45
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 45
> knight at rknb:~$ ls -la /proc/15429/fd/ | wc -l
> 46
>>>