[Users] Re: [Devel] possibility to access dst_uri

[Bogdan-Andrei Iancu]

Hi Richard,

the variables and the functions handles the dst_uri of the request (and 
not also of the branches); what you can do is to combine their usage 
with the branch route (in order to inspect the dst_uri of all branches).

regards,
bogdan

Richard Z wrote:

>Great!
>
>Can the change handle multiple registration of an address?
>
>Thanks,
>Richard
>
>
>On 8/26/05, Daniel-Constantin Mierla <daniel at voice-system.ro> wrote:
>  
>
>>Hello,
>>
>>latest openser version from cvs includes a set of new functions (core
>>and avpops) and pseudo-variable which allow to access and manage the
>>value of dst_uri.
>>
>>The dst_uri field contains the address of the next hop, when the routing
>>does not follow R-URI address. Such cases are Route header driven
>>routing (dst_uri is set after loose_route() to the value of next Route
>>header), contacts behind nat (dst_uri is set to the address of nat after
>>lookup("location")) or dispatcher usage. The dst_uri has higher priority
>>in routing over R-URI but less than explicit parameters in relaying
>>functions (e.g., t_relay_to*()).
>>
>>The field was invisible from the script but it proved in the discussions
>>on the mailing list to be important to access it. For example, to detect
>>whether the caller and callee are behind same nat. Also, it can be
>>checked in case of preloaded Route header to secure relaying to special
>>resources (e.g., pstn gateway). With the new branch_route the value of
>>dst_uri can be checked for each branch.
>>
>>A short summary of what was added:
>>
>>* core functions:
>>- setdsturi("uri") - set the value of dst_uri
>>- resetdsturi() - reset the value of dst_uri
>>- isdsturiset() - test if the value of dst_uri is null
>>
>>* pseudo-variables
>>- $du - value of dst_uri (added long time ago)
>>- $dd - domain of dst_uri
>>- $dp - port of dst_uri
>>- $dP - transport protocol of dst_uri
>>
>>* avpops changes
>>- avp_write() can read the value of dst_uri and write it in an avp
>>- avp_pushto() can write the value of an avp in dst_uri
>>
>>Tutorials and dokuwiki will be updated soon.
>>
>>Daniel
>>
>>
>>
>>_______________________________________________
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>>Devel at openser.org
>>http://openser.org/cgi-bin/mailman/listinfo/devel
>>
>>    
>>
>
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