[Twisted-Python] How to listen on and connect from same TCP port with Twisted?
Alessio Pace
alessio.pace at gmail.com
Mon Jan 12 04:23:00 EST 2009
On Sat, Jan 10, 2009 at 10:24 AM, Alessio Pace <alessio.pace at gmail.com>wrote:
>
>
> On Fri, Jan 9, 2009 at 3:29 PM, Jean-Paul Calderone <exarkun at divmod.com>wrote:
>
>> On Fri, 9 Jan 2009 15:13:10 +0100, Alessio Pace <alessio.pace at gmail.com>
>> wrote:
>>
>>> On Fri, Jan 9, 2009 at 3:01 PM, Alvin Delagon <adelagon at gmail.com>
>>> wrote:
>>>
>>> You shouldn't bind your client on a port where your server is listening
>>>> to.
>>>>
>>>
>>> I'm following what is written in "Peer-to-Peer Communication Across
>>> Network
>>> Address Translators" in order to implement TCP hole punching, and they
>>> suggested to do so..
>>>
>>
>> Are you talking about section 4.2? If so, try creating the client before
>> you create the server. This is a somewhat arbitrary limitation imposed by
>> your platform's implementation of the BSD socket API.
>
>
> Thanks for the suggestion, I'll try this and let you know.
>
Well, apparently at least on my Linux box, I still have the same address
already bound error even if I first do connect() and then listen() using the
Twisted reactor APIs (connectTcp(), listenTcp() ).
Any clue?
--
Alessio Pace.
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