[Kamailio-Devel] t_relay

[Ovidiu Sas]

This info should be added to the tm README doc.
It was asked several times.
And maybe t_relay should no longer accept parameters.  This will avoid
any future confusions.


Regards,
Ovidiu Sas

On Mon, Sep 15, 2008 at 5:03 AM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
>
>
> On 09/15/08 11:50, Henning Westerholt wrote:
>> On Thursday 11 September 2008, Jason Penton wrote:
>>
>>> AFAIK t_relay only accepts literals, like,
>>> t_relay("udp:xxx.xxx.xxx.xxx:5060").
>>>
>>> Would it not be better (more flexible) that t_relay could take an AVP for
>>> the host part so that it can be generically configured from DB, or alike?
>>>
>>> I am happy to submit a patch.
>>>
>>
>> Hi Jason,
>>
>> one reason that t_relay accept only literals is that this parameter can be
>> fixed during the server startup to a "proxy" struct from the
>> "fixup_phostport2proxy" function. This parameter can be evaluated on runtime
>> without that much overhead. If you want to replace this with an AVP, it will
>> be printed and converted to a proxy for every invocation of t_relay.
>>
>> If you want to relay a message to a changing target, normally you just rewrite
>> the URI and call t_relay without the destination parameter, as you surely
>> know. Do you have another requirement that can't be achived this way?
>>
>> If you need this functionality, and implement it in a way that don't break the
>> existing t_relay, i'd would welcome a patch that change this.
>>
> if you need to keep the R-URI intact, you can set the destination uri -
> $du. Instead of
>
> t_relay("proto:address:port");
>
> do
>
> $du = "sip:address:port;transport=proto";
> t_relay();
>
> In the assignment for $du you can use other variables with + operation
> to build the value you need there.
>
> Cheers,
> Daniel
>
>
> --
> Daniel-Constantin Mierla
> http://www.asipto.com
>
>
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