[sr-dev] [tracker] Task opened: "unsupported route type: 64" after calling event route dialog:end

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Andrew Pogrebennyk (marduk) 

Attached to Project - sip-router
Summary - "unsupported route type: 64" after calling event route dialog:end 
Task Type - Bug Report
Category - Core
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Normal
Reported Version - Development
Due in Version - Undecided
Due Date - Undecided
Details - We are using event route dialog:end to execute some lua scripts:

event_route[dialog:end]
{
        if (!lua_run("del_dlg_profile", "$ci"))
        {
                xlog("L_ERROR", "Failed to decrease redis counters - R=$ru ID=$ci\n");
        }
        else
        {
                xlog("L_INFO", "removed redis counters - R=$ru ID=$ci\n");
        }
}

The problem is that when we have a BYE message, which triggers the event route above and is then processed by the loose_route() and finally goes to t_relay(), 

Jul 31 15:56:44 prx01a proxy[12447]: NOTICE: <script>: New request - M=BYE R=sip:172.30.52.132:5080;prxroute=1 F=sip:sipwise-test2 at 172.30.52.103 T=sip:43991001 at 172.30.52.103 IP=172.17.135.86:41748 (172.30.52.135:5060) ID=0ik1N5ahpzAzCaIQmtMeqkeA1yoK1l4j
Jul 31 15:56:44 prx01a proxy[12447]: INFO: <script>: removed redis counters - R=sip:172.30.52.132:5080;prxroute=1 ID=0ik1N5ahpzAzCaIQmtMeqkeA1yoK1l4j
Jul 31 15:56:44 prx01a proxy[12447]: INFO: <script>: Stop mediaproxy for all branches - R=sip:172.30.52.132:5080;prxroute=1 ID=0ik1N5ahpzAzCaIQmtMeqkeA1yoK1l4j
Jul 31 15:56:44 prx01a proxy[12447]: INFO: <script>: Relaying request, du='<null>' - R=sip:172.30.52.132:5080;prxroute=1 ID=0ik1N5ahpzAzCaIQmtMeqkeA1yoK1l4j

the t_relay fails with "unsupported route type: 64":

Jul 31 15:56:44 prx01a proxy[12447]: : tm [tm.c:1518]: _w_t_relay_to(): ERROR: w_t_relay_to: unsupported route type: 64

it looks like event route dialog:end does not clear breaks internal state of the kamailio process.

When UAC retransmits the BYE there is no event route called and there is no problem.

root at prx01a:~# kamailio -V
version: kamailio 4.1.4 (x86_64/linux) 
flags: STATS: Off, 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: unknown 
compiled on 20:52:15 Jul 24 2014 with gcc 4.7.2


More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=456

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