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

[Bogdan-Andrei Iancu]

Hi Richard,

that's right - you can apply in branch route exclusively per-branch changes.

regards,
bogdan

Richard Z wrote:

>So each branch route can have different sip message going out, e.g.
>different sdp value for different dst_uri?
>
>
>On 8/27/05, Bogdan-Andrei Iancu <bogdan at voice-system.ro> wrote:
>  
>
>>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
>>>>
>>>>
>>>>
>>>>_______________________________________________
>>>>Devel mailing list
>>>>Devel at openser.org
>>>>http://openser.org/cgi-bin/mailman/listinfo/devel
>>>>
>>>>
>>>>
>>>>        
>>>>
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>>>
>>>
>>>      
>>>
>>
>
>  
>