[sr-dev] INFO: <core> [main.c:809]: sig_usr(): signal 15 received

Aqs Younas aqsyounas at gmail.com
Sat Jul 2 13:54:36 CEST 2016


Greetings Again List.

After being unable to use ndb_cassandra with kamailio I tried to use
app_python. Below is relevant configuration.

version: kamailio 4.4.2 (x86_64/linux) 892ad6
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
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_LISTEN 16,
MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 892ad6
compiled on 07:50:03 Jul  1 2016 with gcc 4.9.2



modparam("app_python", "script_name",
"/usr/local/kamailio/etc/kamailio/handler.py")

request_route {
       .....
        python_exec("handler");
  .....
}

And i am using example provided in app_python module. *But i soon as i
import Cassandra driver in script*. Kamailio terminate with there logs.

Jul  1 19:57:19 debian ./kamailio[8643]: INFO: app_python
[mod_Logger.c:170]: logger_LM_INFO(): test.child_init(20)
Jul  1 19:57:19 debian ./kamailio[8642]: INFO: app_python
[mod_Logger.c:170]: logger_LM_INFO(): test.child_init(19)
Jul  1 19:57:19 debian ./kamailio[8648]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank -4: tmx
Jul  1 19:57:19 debian ./kamailio[8648]: DEBUG: tmx [tmx_mod.c:275]:
child_init(): rank is (-4)
Jul  1 19:57:19 debian ./kamailio[8648]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank -4: sl
Jul  1 19:57:19 debian ./kamailio[8616]: INFO: <core> [main.c:754]:
handle_sigs(): terminating due to SIGCHLD
Jul  1 19:57:19 debian ./kamailio[8642]: DEBUG: <core> [local_timer.c:61]:
init_local_timer(): timer_list between 0xa78988 and 0xabc988
Jul  1 19:57:19 debian ./kamailio[8642]: DEBUG: <core> [io_wait.h:376]:
io_watch_add(): DBG: io_watch_add(0xa787c0, 40, 1, (nil)), fd_no=0
Jul  1 19:57:19 debian ./kamailio[8644]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank 21: kex
Jul  1 19:57:19 debian ./kamailio[8645]: DEBUG: kex [kex_mod.c:161]:
child_init(): rank is (22)
Jul  1 19:57:19 debian ./kamailio[8640]: DEBUG: kex [kex_mod.c:161]:
child_init(): rank is (17)
Jul  1 19:57:19 debian ./kamailio[8639]: DEBUG: mi_rpc [mi_rpc_mod.c:104]:
child_init(): initializing child[-2] for rpc handling
Jul  1 19:57:19 debian ./kamailio[8646]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank 23: tm
Jul  1 19:57:19 debian ./kamailio[8641]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank 18: corex
Jul  1 19:57:19 debian ./kamailio[8635]: INFO: app_python
[mod_Logger.c:170]: logger_LM_INFO(): test.child_init(-1)
Jul  1 19:57:19 debian ./kamailio[8648]: DEBUG: <core> [sr_module.c:920]:
init_mod_child(): rank -4: usrloc
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: <core> [main.c:756]:
handle_sigs(): terminating due to SIGCHLD
Jul  1 19:57:19 debian ./kamailio[8636]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8621]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8620]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8625]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8623]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8638]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8624]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8632]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8647]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8633]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8637]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8619]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8622]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8626]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8627]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8628]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8629]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8642]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8630]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8635]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8631]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8634]: INFO: <core> [main.c:809]:
sig_usr(): signal 15 received
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: tm [t_funcs.c:86]:
tm_shutdown(): DEBUG: tm_shutdown : start
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: tm [t_funcs.c:89]:
tm_shutdown(): DEBUG: tm_shutdown : emptying hash table
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: tm [t_funcs.c:91]:
tm_shutdown(): DEBUG: tm_shutdown : removing semaphores
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: tm [t_funcs.c:93]:
tm_shutdown(): DEBUG: tm_shutdown : destroying tmcb lists
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: tm [t_funcs.c:96]:
tm_shutdown(): DEBUG: tm_shutdown : done
Jul  1 19:57:19 debian ./kamailio[8616]: INFO: <core> [sctp_core.c:53]:
sctp_core_destroy(): SCTP API not initialized
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: <core> [mem/shm.c:174]:
shm_core_lock_destroy(): destroying the shared memory lock
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: <core> [mem/shm.c:266]:
shm_destroy_manager(): destroying memory manager: f_malloc
Jul  1 19:57:19 debian ./kamailio[8616]: DEBUG: <core> [mem/pkg.c:89]:
pkg_destroy_manager(): destroying memory manager: f_malloc



I have tried using two different drivers for Cassandra in python but same
results.

I wonder if i import mysql driver kamailio starts perfectly.

Below it my script.


#!/usr/bin/python
import sys
import pymysql
*import pycassa*
from Router.Logger import LM_ERR
from Router.Logger import LM_INFO

class test:
    def __init__(self):
        LM_INFO('test.__init__\n')

    def child_init(self, y):
        LM_INFO('test.child_init(%d)\n' % y)
        return 0

    def handler(self, msg):
        LM_INFO('test.handler(%s)\n' % (msg.Type))
        if msg.Type == 'SIP_REQUEST':
            if msg.Method == 'INVITE':
                LM_INFO("Re-writing RURI")
                msg.rewrite_ruri('sip:0022 at 192.168.2.24:5073')
            LM_INFO('SIP request, method = %s, RURI = %s, From = %s\n' %
(msg.Method, msg.RURI, msg.getHeader('from')))
            LM_INFO('received from %s:%d\n' % msg.src_address)
        return 1

def mod_init():
    return test()


Any help is much appreciated.

Best Regards,

Aqs Younas
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