[SR-Users] cached $TV is 0 in failure route

[Daniel-Constantin Mierla]

One more question, do you have lot of traffic there, or is testing with 
few clients?

Cheers,
Daniel

On 3/23/12 8:58 AM, Klaus Darilion wrote:
>
>
> On 22.03.2012 15:56, Daniel-Constantin Mierla wrote:
>> Hello,
>>
>> On 3/22/12 11:08 AM, Klaus Darilion wrote:
>>> Hi!
>>>
>>> Is this by design? I would expect it to be either the same value as in
>>> the request route, or even better to be calculated new every time it
>>> enters the failure route.
>> $TV(...) takes inner name, any of them is 0? Btw, is it 0 or $null?
>
> Sorry for the missing information. I discovered the problem when using 
> the cached versions: (s) and (u).
>
> The problem seems to happen not all the time, maybe related to 
> processes which processed the messages. I couldn't find a 
> problem-pattern.
>
> version: kamailio 3.3.0-dev5 (i386/linux) 7a8ad6-dirty
> flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, 
> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, 
> SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, 
> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, 
> USE_DST_BLACKLIST, HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: 7a8ad6 -dirty
>
> # Message is received and forwarded
> [28766] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488956.78208
> #No answer yet, retransmission is received
> [28767] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488956.578226
> #No answer yet, second retransmission is received
> [28768] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488957.578266
> #After 3 seconds the failure route triggers
> $TV(s).$TV(u) = 0.0
> [28770]   $TV(s) == $null
> [28770]   $TV(u) == $null
>
> Bug: (s) and (u) are $null.
>
> [28767] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488966.235403
> [28768] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488966.735379
> [28769] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488967.735787
> [28770] FAILURE_ROUTE: $TV(s).$TV(u) = 1332488969.214139
> [28770]   $TV(s) == 1332488969
> [28770]   $TV(u) == 214139
>
> May be correct
>
> [28768] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488977.141683
> [28769] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488977.640992
> [28766] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488978.641067
> [28770] FAILURE_ROUTE: $TV(s).$TV(u) = 1332488980.89135
> [28770]   $TV(s) == 1332488980
> [28770]   $TV(u) == 89135
>
> May be correct
>
> [28768] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488983.199731
> [28769] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488983.699332
> [28766] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488984.699386
> [28770] FAILURE_ROUTE: $TV(s).$TV(u) = 1332488986.151654
> [28770]   $TV(s) == 1332488986
> [28770]   $TV(u) == 151654
>
> May be correct
>
> [28769] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488989.158925
> [28766] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488989.658643
> [28767] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488990.658706
> [28770] FAILURE_ROUTE: $TV(s).$TV(u) = 1332488986.151654
> [28770]   $TV(s) == 1332488986
> [28770]   $TV(u) == 151654
>
> Bug: $TV is the same value as in the last failure route of the last 
> message
>
> [28769] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488995.70218
> [28766] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488995.570014
> [28767] REQUEST_ROUTE: $TV(s).$TV(u) = 1332488996.570029
> [28770] FAILURE_ROUTE: $TV(s).$TV(u) = 1332488998.26641
> [28770]   $TV(s) == 1332488998
> [28770]   $TV(u) == 26641
>
> May be correct
>
>
> regards
> Klaus

-- 
Daniel-Constantin Mierla
Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany
http://www.asipto.com/index.php/kamailio-advanced-training/