[SR-Users] is_method not matching message type KDMQ breaking DMQ bus. (master branch)

Charles Chance charles.chance at sipcentric.com
Tue Jul 31 19:25:44 CEST 2018


Hello,

I have checked and it is a problem with is_method() not matching "KDMQ"
(there is no method definition to match when parsing the message first
line). This is not a DMQ issue specifically, and 'if (method == "KDMQ")'
works just fine. I'm sure it _used_ to work (in fact, it's documented!) -
although I may be totally mistaken, since everywhere we use ‘method’.

I will try to see later if something changed anywhere in textops or core,
but in the meantime I suggest using ‘method’ for now.

Cheers,

Charles


On 31 July 2018 at 18:08, Joel Serrano <joel at textplus.com> wrote:

> Hi Asgaroth,
>
> I'm using dmq and I haven't seen a msg get passed this:
>
>     # Handles DMQ messages
>     if (is_method("KDMQ")) {
>         dmq_handle_message();
>     }
>
> That said, just to make sure it's not some work-in-progress happening on
> master branch, give it a try on latest stable release (v5.1.4) to see if
> you find the same behavior. I haven't tried on master but on v5.1.4 I'm not
> seeing that behavior.
>
> Are you manually replicating stuff using dmq functions or are you taking
> advantage of auto-replication using modparam enable_dmq=1 on certain
> modules?
>
> Joel.
>
>
>
>
> On Tue, Jul 31, 2018 at 9:01 AM, Asgaroth <00asgaroth00 at gmail.com> wrote:
>
>> Hi All,
>>
>> I've come across and oddity whereby my is_method("KDMQ") checks are not
>> matching.
>>
>> I'm testing with kamailio master:
>>
>> version: kamailio 5.2.0-dev6 (x86_64/linux) a16272
>> flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE,
>> USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC,
>> TLSF_MALLOC, DBG_SR_MEMORY, 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_URI_SIZE 1024,
>> BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>> id: a16272
>> compiled on 15:27:21 Jul 31 2018 with gcc 7.3.1
>>
>> Sample routing logic:
>>
>> request_route {
>>     route("InitialMessageChecks");
>>     exit;
>> }
>>
>>
>> route[InitialMessageChecks] {
>>     xlog("L_INFO", "Received message type $rm from $si:$sp on $Ri:$Rp");
>>
>>     if ( is_method("KDMQ") ) { xlog("L_INFO", "KDMQ check passed."); }
>>     if ( is_method("OPTIONS") ) { xlog("L_INFO", "OPTIONS check
>> passed."); }
>>     if ( is_method("SUBSCRIBE") ) { xlog("L_INFO", "SUBSCRIBE check
>> passed."); }
>>
>> }
>>
>> In the logs I am only receiving the 1st log line in the initial message
>> checks route for message types of KDMQ, eg:
>>
>> INFO: <script>: Received message KDMQ from 1.1.1.1:5060 on 1.1.1.2:5060
>> INFO: <script>: Received message KDMQ from 1.1.1.3:5060 on 1.1.1.2:5060
>>
>> I never seem to hit the is_method check log line when the method type is
>> KDMQ.
>>
>> I do see the options/subscribe logs though:
>>
>> INFO: <script>: OPTIONS check passed.
>> INFO: <script>: SUBSCRIBE check passed.
>>
>> nothing for KDMQ.
>>
>> Reason for asking is: this check never matches and breaks the dmq bus:
>>
>> if ( is_method("KDMQ") ) {
>>     if ( dmq_is_from_node() ) {
>>         dmq_handle_message();
>>         exit;
>>     } else {
>>         exit;
>>     }
>> }
>>
>> Any thoughts, or am I going crazy :)
>>
>> Thanks
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>


-- 
*Charles Chance*
Managing Director

t. 0330 120 1200    m. 07932 063 891
-- 
*Charles Chance*
Managing Director

t. 0330 120 1200    m. 07932 063 891

-- 
Sipcentric Ltd.
                Company registered in England & Wales no. 
7365592. Registered
                office: Faraday Wharf, Innovation 
Birmingham Campus, Holt Street, Birmingham Science Park, Birmingham B7 4BB.
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