[SR-Users] Changing METHOD

[Daniel-Constantin Mierla]

On 12/20/12 8:05 AM, Olle E. Johansson wrote:
> 19 dec 2012 kl. 23:14 skrev Daniel-Constantin Mierla <miconda at gmail.com>:
>
>> On 12/19/12 10:28 PM, Olle E. Johansson wrote:
>>> 19 dec 2012 kl. 19:35 skrev Daniel-Constantin Mierla <miconda at gmail.com>:
>>>
>>>> On 12/19/12 7:20 PM, Andreas Granig wrote:
>>>>> Hi Olle,
>>>>>
>>>>> On 12/19/2012 02:43 PM, Olle E. Johansson wrote:
>>>>>> Yeah, I already have Kamailio sending all kinds of crazy stuff while
>>>>>> testing a new platform,
>>>>>> using the UAC module. But I wanted to be lazy and change on the fly...
>>>>>>
>>>>>> Evil stuff happening here. Kamailio is a good test-tool.
>>>>>>
>>>>>> Now I fail to change Contact: headers. The docs for textops say that
>>>>>> remove_hf can remove
>>>>>> contact and Remove_hf(Contact) returns true - but the old contact is
>>>>>> still there!
>>>> Is this about generic operation of removing the contact header, or in the context of taking it from old request and adding it to the new one generated by uac_req()? For the second, Andreas pointed to the right direction.
>>> No, changing one and send it away. Like changing a Contact: in a register that's forwarded.
>> So, you do: remove_hf("Contact"); t_relay(); -- and the Contact header is still there? Can you get the ngrep and logs printed by debugger module with cfgtrace parameter set to 1?
> Will try testing a bit more later.
>
>>>> I wanted to make the remark about changing the method on the fly directly to the incoming request, that is not straight as it seems, because it has impact on transaction management, the method being part of CSeq header and has to be restored for the reply.
>>> Ouch. But if I'm totally and utterly stateless, would it work?
>> You'd still have to revert back for replies, otherwise the previous hop will not match its transactions.
> Match which transaction if I'm stateless ?? :-)
if everything from Alice to Bob is stateless, then should be ok.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda