[sr-dev] git:master: pv(k): added new PV class to get timeval attributes

[Klaus Darilion]

Daniel-Constantin Mierla schrieb:
> 
> 
> On 1/28/10 6:27 PM, Klaus Darilion wrote:
>>
>>
>> Daniel-Constantin Mierla schrieb:
>>> Module: sip-router
>>> Branch: master
>>> Commit: 40a183b716853a08b523349b92a8d4ad0470e360
>>> URL:    
>>> http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=40a183b716853a08b523349b92a8d4ad0470e360 
>>>
>>>
>>> Author: Daniel-Constantin Mierla <miconda at gmail.com>
>>> Committer: Daniel-Constantin Mierla <miconda at gmail.com>
>>> Date:   Wed Jan 27 23:17:59 2010 +0100
>>>
>>> pv(k): added new PV class to get timeval attributes
>>>
>>> - $TV(s) - struct timeval tv_sec (cached per sip message)
>>> - $TV(u) - struct timeval tv_usec (cached per sip message)
>>> - $TV(sn) - struct timeval tv_sec (not cached)
>>> - $TV(un) - struct timeval tv_usec (not cached)
>>
>>
>> Who does uncached timeval work?
>>
>> e.g.: $avp{time}=$TV(sn) + "." + $TV(un).
>>
>> What happens if timeval is 0.999999 when calling $TV(sn) and timeval 
>> is 1.000000 when calling $TV(un)? Will the result be "0.0"?
> yes, so use cached :-).
> 
> uncached is good if you use only one of attributes, maybe to measure the 
> diff between two calls or print it in logs.

But as the example show, this would make only sense if both, sec and 
usec are returned with a single function call (single pseudo variable)

regards
klaus