Re: KPI replacement for sodisconnect?
Re: KPI replacement for sodisconnect?
- Subject: Re: KPI replacement for sodisconnect?
- From: Brian Bergstrand <email@hidden>
- Date: Wed, 18 May 2005 00:08:55 -0500
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Yes, I didn't mean to imply a re-use of a TCP socket -- just if
sock_connect(INADDR_ANY) will cause a disconnect of the current
connection. Our current model issues a disconnect because it needs to
hang onto the socket for a while longer before actually closing it. I
suppose I could do a retain before the close to keep the socket around.
I also noticed that soabort is missing a KPI replacement -- we were
using this to abort a connection in progress -- although retain/close
should work there too.
I haven't really begun exploring our TCP conversion yet, as I expect
it to be more difficult than the UDP one. For one, we are tracking
TCP state changes via access to the raw TCP header.
P.S. Is there going to be a KPI hands-on session at WWDC?
Thanks.
On May 17, 2005, at 11:37 PM, Josh Graessley wrote:
>
> TCP sockets aren't meant to be reused liked that. Just close the
> socket and open a new one for a new connection. sendto won't work
> with a TCP socket either.
>
> -josh
>
> On May 17, 2005, at 9:32 PM, Brian Bergstrand wrote:
>
>
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>> Thanks Josh. Does this also work for TCP sockets or will it return an
>> error since there's an actual connection state?
>>
>> On May 17, 2005, at 6:42 PM, Josh Graessley wrote:
>>
>>
>>
>>>
>>> You do this the same way in the kernel you would in user space.
>>> Connect again but specify the INADDR_ANY address (0.0.0.0). Yeah,
>>> it's sorta weird, but that's just the way it is. You can also
>>> connect directly to a different address.
>>>
>>> -josh
>>>
>>> On May 17, 2005, at 3:32 PM, Brian Bergstrand wrote:
>>>
>>>
>>>
>>>
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>>>> Am I missing something, or is there no KPI replacement for
>>>> sodisconnect()? We were using this on UDP sockets to
>>>> disassociate an
>>>> address set with soconnect().
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>> Brian Bergstrand
>> <http://www.bergstrand.org/brian/> PGP Key ID: 0xB6C7B6A2
>>
>>
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>
>
Brian Bergstrand
<http://www.bergstrand.org/brian/> PGP Key ID: 0xB6C7B6A2
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